Merge branch 'master' into range-type

.ci/windows_intel_base_files/run_intel_gpu.bat

@@ -0,0 +1,2 @@
+.\python_embeded\python.exe -s ComfyUI\main.py --windows-standalone-build
+pause

QUANTIZATION.md

@@ -139,9 +139,9 @@ Example:
   "_quantization_metadata": {
     "format_version": "1.0",
     "layers": {
-      "model.layers.0.mlp.up_proj": "float8_e4m3fn",
-      "model.layers.0.mlp.down_proj": "float8_e4m3fn",
-      "model.layers.1.mlp.up_proj": "float8_e4m3fn"
+      "model.layers.0.mlp.up_proj": {"format": "float8_e4m3fn"},
+      "model.layers.0.mlp.down_proj": {"format": "float8_e4m3fn"},
+      "model.layers.1.mlp.up_proj": {"format": "float8_e4m3fn"}
     }
   }
 }
@@ -165,4 +165,4 @@ Activation quantization (e.g., for FP8 Tensor Core operations) requires `input_s
 3. **Compute scales**: Derive `input_scale` from collected statistics
 4. **Store in checkpoint**: Save `input_scale` parameters alongside weights
 
-The calibration dataset should be representative of your target use case. For diffusion models, this typically means a diverse set of prompts and generation parameters.
+The calibration dataset should be representative of your target use case. For diffusion models, this typically means a diverse set of prompts and generation parameters.

README.md

@@ -195,7 +195,9 @@ The portable above currently comes with python 3.13 and pytorch cuda 13.0. Updat
 
 #### Alternative Downloads:
 
-[Experimental portable for AMD GPUs](https://github.com/comfyanonymous/ComfyUI/releases/latest/download/ComfyUI_windows_portable_amd.7z)
+[Portable for AMD GPUs](https://github.com/comfyanonymous/ComfyUI/releases/latest/download/ComfyUI_windows_portable_amd.7z)
+
+[Experimental portable for Intel GPUs](https://github.com/comfyanonymous/ComfyUI/releases/latest/download/ComfyUI_windows_portable_intel.7z)
 
 [Portable with pytorch cuda 12.6 and python 3.12](https://github.com/comfyanonymous/ComfyUI/releases/latest/download/ComfyUI_windows_portable_nvidia_cu126.7z) (Supports Nvidia 10 series and older GPUs).
 

api_server/routes/internal/internal_routes.py

@@ -67,7 +67,7 @@ class InternalRoutes:
                 (entry for entry in os.scandir(directory) if is_visible_file(entry)),
                 key=lambda entry: -entry.stat().st_mtime
             )
-            return web.json_response([entry.name for entry in sorted_files], status=200)
+            return web.json_response([f"{entry.name} [{directory_type}]" for entry in sorted_files], status=200)
 
 
     def get_app(self):

blueprints/Brightness and Contrast.json

@@ -182,7 +182,7 @@
               ]
             },
             "widgets_values": [
-              50
+              0
             ]
           },
           {

blueprints/Glow.json

@@ -316,7 +316,7 @@
               "step": 1
             },
             "widgets_values": [
-              30
+              0
             ]
           },
           {

comfy/ldm/ernie/model.py

@@ -0,0 +1,301 @@
+import math
+import torch
+import torch.nn as nn
+import torch.nn.functional as F
+
+from comfy.ldm.modules.attention import optimized_attention
+import comfy.model_management
+
+def rope(pos: torch.Tensor, dim: int, theta: int) -> torch.Tensor:
+    assert dim % 2 == 0
+    if not comfy.model_management.supports_fp64(pos.device):
+        device = torch.device("cpu")
+    else:
+        device = pos.device
+
+    scale = torch.arange(0, dim, 2, dtype=torch.float64, device=device) / dim
+    omega = 1.0 / (theta**scale)
+    out = torch.einsum("...n,d->...nd", pos.to(device), omega)
+    out = torch.stack([torch.cos(out), torch.sin(out)], dim=0)
+    return out.to(dtype=torch.float32, device=pos.device)
+
+def apply_rotary_emb(x_in: torch.Tensor, freqs_cis: torch.Tensor) -> torch.Tensor:
+    rot_dim = freqs_cis.shape[-1]
+    x, x_pass = x_in[..., :rot_dim], x_in[..., rot_dim:]
+    cos_ = freqs_cis[0]
+    sin_ = freqs_cis[1]
+    x1, x2 = x.chunk(2, dim=-1)
+    x_rotated = torch.cat((-x2, x1), dim=-1)
+    return torch.cat((x * cos_ + x_rotated * sin_, x_pass), dim=-1)
+
+class ErnieImageEmbedND3(nn.Module):
+    def __init__(self, dim: int, theta: int, axes_dim: tuple):
+        super().__init__()
+        self.dim = dim
+        self.theta = theta
+        self.axes_dim = list(axes_dim)
+
+    def forward(self, ids: torch.Tensor) -> torch.Tensor:
+        emb = torch.cat([rope(ids[..., i], self.axes_dim[i], self.theta) for i in range(3)], dim=-1)
+        emb = emb.unsqueeze(3)  # [2, B, S, 1, head_dim//2]
+        return torch.stack([emb, emb], dim=-1).reshape(*emb.shape[:-1], -1)  # [B, S, 1, head_dim]
+
+class ErnieImagePatchEmbedDynamic(nn.Module):
+    def __init__(self, in_channels: int, embed_dim: int, patch_size: int, operations, device=None, dtype=None):
+        super().__init__()
+        self.patch_size = patch_size
+        self.proj = operations.Conv2d(in_channels, embed_dim, kernel_size=patch_size, stride=patch_size, bias=True, device=device, dtype=dtype)
+
+    def forward(self, x: torch.Tensor) -> torch.Tensor:
+        x = self.proj(x)
+        batch_size, dim, height, width = x.shape
+        return x.reshape(batch_size, dim, height * width).transpose(1, 2).contiguous()
+
+class Timesteps(nn.Module):
+    def __init__(self, num_channels: int, flip_sin_to_cos: bool = False):
+        super().__init__()
+        self.num_channels = num_channels
+        self.flip_sin_to_cos = flip_sin_to_cos
+
+    def forward(self, timesteps: torch.Tensor) -> torch.Tensor:
+        half_dim = self.num_channels // 2
+        exponent = -math.log(10000) * torch.arange(half_dim, dtype=torch.float32, device=timesteps.device) / half_dim
+        emb = torch.exp(exponent)
+        emb = timesteps[:, None].float() * emb[None, :]
+        if self.flip_sin_to_cos:
+            emb = torch.cat([torch.cos(emb), torch.sin(emb)], dim=-1)
+        else:
+            emb = torch.cat([torch.sin(emb), torch.cos(emb)], dim=-1)
+        return emb
+
+class TimestepEmbedding(nn.Module):
+    def __init__(self, in_channels: int, time_embed_dim: int, operations, device=None, dtype=None):
+        super().__init__()
+        Linear = operations.Linear
+        self.linear_1 = Linear(in_channels, time_embed_dim, bias=True, device=device, dtype=dtype)
+        self.act = nn.SiLU()
+        self.linear_2 = Linear(time_embed_dim, time_embed_dim, bias=True, device=device, dtype=dtype)
+
+    def forward(self, sample: torch.Tensor) -> torch.Tensor:
+        sample = self.linear_1(sample)
+        sample = self.act(sample)
+        sample = self.linear_2(sample)
+        return sample
+
+class ErnieImageAttention(nn.Module):
+    def __init__(self, query_dim: int, heads: int, dim_head: int, eps: float = 1e-6, operations=None, device=None, dtype=None):
+        super().__init__()
+        self.heads = heads
+        self.head_dim = dim_head
+        self.inner_dim = heads * dim_head
+
+        Linear = operations.Linear
+        RMSNorm = operations.RMSNorm
+
+        self.to_q = Linear(query_dim, self.inner_dim, bias=False, device=device, dtype=dtype)
+        self.to_k = Linear(query_dim, self.inner_dim, bias=False, device=device, dtype=dtype)
+        self.to_v = Linear(query_dim, self.inner_dim, bias=False, device=device, dtype=dtype)
+
+        self.norm_q = RMSNorm(dim_head, eps=eps, elementwise_affine=True, device=device, dtype=dtype)
+        self.norm_k = RMSNorm(dim_head, eps=eps, elementwise_affine=True, device=device, dtype=dtype)
+
+        self.to_out = nn.ModuleList([Linear(self.inner_dim, query_dim, bias=False, device=device, dtype=dtype)])
+
+    def forward(self, x: torch.Tensor, attention_mask: torch.Tensor = None, image_rotary_emb: torch.Tensor = None) -> torch.Tensor:
+        B, S, _ = x.shape
+
+        q_flat = self.to_q(x)
+        k_flat = self.to_k(x)
+        v_flat = self.to_v(x)
+
+        query = q_flat.view(B, S, self.heads, self.head_dim)
+        key = k_flat.view(B, S, self.heads, self.head_dim)
+
+        query = self.norm_q(query)
+        key = self.norm_k(key)
+
+        if image_rotary_emb is not None:
+            query = apply_rotary_emb(query, image_rotary_emb)
+            key = apply_rotary_emb(key, image_rotary_emb)
+
+        q_flat = query.reshape(B, S, -1)
+        k_flat = key.reshape(B, S, -1)
+
+        hidden_states = optimized_attention(q_flat, k_flat, v_flat, self.heads, mask=attention_mask)
+
+        return self.to_out[0](hidden_states)
+
+class ErnieImageFeedForward(nn.Module):
+    def __init__(self, hidden_size: int, ffn_hidden_size: int, operations, device=None, dtype=None):
+        super().__init__()
+        Linear = operations.Linear
+        self.gate_proj = Linear(hidden_size, ffn_hidden_size, bias=False, device=device, dtype=dtype)
+        self.up_proj = Linear(hidden_size, ffn_hidden_size, bias=False, device=device, dtype=dtype)
+        self.linear_fc2 = Linear(ffn_hidden_size, hidden_size, bias=False, device=device, dtype=dtype)
+
+    def forward(self, x: torch.Tensor) -> torch.Tensor:
+        return self.linear_fc2(self.up_proj(x) * F.gelu(self.gate_proj(x)))
+
+class ErnieImageSharedAdaLNBlock(nn.Module):
+    def __init__(self, hidden_size: int, num_heads: int, ffn_hidden_size: int, eps: float = 1e-6, operations=None, device=None, dtype=None):
+        super().__init__()
+        RMSNorm = operations.RMSNorm
+
+        self.adaLN_sa_ln = RMSNorm(hidden_size, eps=eps, device=device, dtype=dtype)
+        self.self_attention = ErnieImageAttention(
+            query_dim=hidden_size,
+            dim_head=hidden_size // num_heads,
+            heads=num_heads,
+            eps=eps,
+            operations=operations,
+            device=device,
+            dtype=dtype
+        )
+        self.adaLN_mlp_ln = RMSNorm(hidden_size, eps=eps, device=device, dtype=dtype)
+        self.mlp = ErnieImageFeedForward(hidden_size, ffn_hidden_size, operations=operations, device=device, dtype=dtype)
+
+    def forward(self, x, rotary_pos_emb, temb, attention_mask=None):
+        shift_msa, scale_msa, gate_msa, shift_mlp, scale_mlp, gate_mlp = temb
+
+        residual = x
+        x_norm = self.adaLN_sa_ln(x)
+        x_norm = x_norm * (1 + scale_msa) + shift_msa
+
+        attn_out = self.self_attention(x_norm, attention_mask=attention_mask, image_rotary_emb=rotary_pos_emb)
+        x = residual + gate_msa * attn_out
+
+        residual = x
+        x_norm = self.adaLN_mlp_ln(x)
+        x_norm = x_norm * (1 + scale_mlp) + shift_mlp
+
+        return residual + gate_mlp * self.mlp(x_norm)
+
+class ErnieImageAdaLNContinuous(nn.Module):
+    def __init__(self, hidden_size: int, eps: float = 1e-6, operations=None, device=None, dtype=None):
+        super().__init__()
+        LayerNorm = operations.LayerNorm
+        Linear = operations.Linear
+        self.norm = LayerNorm(hidden_size, elementwise_affine=False, eps=eps, device=device, dtype=dtype)
+        self.linear = Linear(hidden_size, hidden_size * 2, device=device, dtype=dtype)
+
+    def forward(self, x: torch.Tensor, conditioning: torch.Tensor) -> torch.Tensor:
+        scale, shift = self.linear(conditioning).chunk(2, dim=-1)
+        x = self.norm(x)
+        x = torch.addcmul(shift.unsqueeze(1), x, 1 + scale.unsqueeze(1))
+        return x
+
+class ErnieImageModel(nn.Module):
+    def __init__(
+        self,
+        hidden_size: int = 4096,
+        num_attention_heads: int = 32,
+        num_layers: int = 36,
+        ffn_hidden_size: int = 12288,
+        in_channels: int = 128,
+        out_channels: int = 128,
+        patch_size: int = 1,
+        text_in_dim: int = 3072,
+        rope_theta: int = 256,
+        rope_axes_dim: tuple = (32, 48, 48),
+        eps: float = 1e-6,
+        qk_layernorm: bool = True,
+        device=None,
+        dtype=None,
+        operations=None,
+        **kwargs
+    ):
+        super().__init__()
+        self.dtype = dtype
+        self.hidden_size = hidden_size
+        self.num_heads = num_attention_heads
+        self.head_dim = hidden_size // num_attention_heads
+        self.patch_size = patch_size
+        self.out_channels = out_channels
+
+        Linear = operations.Linear
+
+        self.x_embedder = ErnieImagePatchEmbedDynamic(in_channels, hidden_size, patch_size, operations, device, dtype)
+        self.text_proj = Linear(text_in_dim, hidden_size, bias=False, device=device, dtype=dtype) if text_in_dim != hidden_size else None
+
+        self.time_proj = Timesteps(hidden_size, flip_sin_to_cos=False)
+        self.time_embedding = TimestepEmbedding(hidden_size, hidden_size, operations, device, dtype)
+
+        self.pos_embed = ErnieImageEmbedND3(dim=self.head_dim, theta=rope_theta, axes_dim=rope_axes_dim)
+
+        self.adaLN_modulation = nn.Sequential(
+            nn.SiLU(),
+            Linear(hidden_size, 6 * hidden_size, device=device, dtype=dtype)
+        )
+
+        self.layers = nn.ModuleList([
+            ErnieImageSharedAdaLNBlock(hidden_size, num_attention_heads, ffn_hidden_size, eps, operations, device, dtype)
+            for _ in range(num_layers)
+        ])
+
+        self.final_norm = ErnieImageAdaLNContinuous(hidden_size, eps, operations, device, dtype)
+        self.final_linear = Linear(hidden_size, patch_size * patch_size * out_channels, device=device, dtype=dtype)
+
+    def forward(self, x, timesteps, context, **kwargs):
+        device, dtype = x.device, x.dtype
+        B, C, H, W = x.shape
+        p, Hp, Wp = self.patch_size, H // self.patch_size, W // self.patch_size
+        N_img = Hp * Wp
+
+        img_bsh = self.x_embedder(x)
+
+        text_bth = context
+        if self.text_proj is not None and text_bth.numel() > 0:
+            text_bth = self.text_proj(text_bth)
+        Tmax = text_bth.shape[1]
+
+        hidden_states = torch.cat([img_bsh, text_bth], dim=1)
+
+        text_ids = torch.zeros((B, Tmax, 3), device=device, dtype=torch.float32)
+        text_ids[:, :, 0] = torch.linspace(0, Tmax - 1, steps=Tmax, device=x.device, dtype=torch.float32)
+        index = float(Tmax)
+
+        transformer_options = kwargs.get("transformer_options", {})
+        rope_options = transformer_options.get("rope_options", None)
+
+        h_len, w_len = float(Hp), float(Wp)
+        h_offset, w_offset = 0.0, 0.0
+
+        if rope_options is not None:
+            h_len = (h_len - 1.0) * rope_options.get("scale_y", 1.0) + 1.0
+            w_len = (w_len - 1.0) * rope_options.get("scale_x", 1.0) + 1.0
+            index += rope_options.get("shift_t", 0.0)
+            h_offset += rope_options.get("shift_y", 0.0)
+            w_offset += rope_options.get("shift_x", 0.0)
+
+        image_ids = torch.zeros((Hp, Wp, 3), device=device, dtype=torch.float32)
+        image_ids[:, :, 0] = image_ids[:, :, 1] + index
+        image_ids[:, :, 1] = image_ids[:, :, 1] + torch.linspace(h_offset, h_len - 1 + h_offset, steps=Hp, device=device, dtype=torch.float32).unsqueeze(1)
+        image_ids[:, :, 2] = image_ids[:, :, 2] + torch.linspace(w_offset, w_len - 1 + w_offset, steps=Wp, device=device, dtype=torch.float32).unsqueeze(0)
+
+        image_ids = image_ids.view(1, N_img, 3).expand(B, -1, -1)
+
+        rotary_pos_emb = self.pos_embed(torch.cat([image_ids, text_ids], dim=1)).to(x.dtype)
+        del image_ids, text_ids
+
+        sample = self.time_proj(timesteps).to(dtype)
+        c = self.time_embedding(sample)
+
+        shift_msa, scale_msa, gate_msa, shift_mlp, scale_mlp, gate_mlp = [
+            t.unsqueeze(1).contiguous() for t in self.adaLN_modulation(c).chunk(6, dim=-1)
+        ]
+
+        temb = [shift_msa, scale_msa, gate_msa, shift_mlp, scale_mlp, gate_mlp]
+        for layer in self.layers:
+            hidden_states = layer(hidden_states, rotary_pos_emb, temb)
+
+        hidden_states = self.final_norm(hidden_states, c).type_as(hidden_states)
+
+        patches = self.final_linear(hidden_states)[:, :N_img, :]
+        output = (
+            patches.view(B, Hp, Wp, p, p, self.out_channels)
+            .permute(0, 5, 1, 3, 2, 4)
+            .contiguous()
+            .view(B, self.out_channels, H, W)
+        )
+
+        return output

comfy/ldm/flux/math.py

@@ -16,7 +16,7 @@ def attention(q: Tensor, k: Tensor, v: Tensor, pe: Tensor, mask=None, transforme
 
 def rope(pos: Tensor, dim: int, theta: int) -> Tensor:
     assert dim % 2 == 0
-    if comfy.model_management.is_device_mps(pos.device) or comfy.model_management.is_intel_xpu() or comfy.model_management.is_directml_enabled():
+    if not comfy.model_management.supports_fp64(pos.device):
         device = torch.device("cpu")
     else:
         device = pos.device

comfy/ldm/lightricks/vae/audio_vae.py

@@ -4,9 +4,6 @@ import math
 import torch
 import torchaudio
 
-import comfy.model_management
-import comfy.model_patcher
-import comfy.utils as utils
 from comfy.ldm.mmaudio.vae.distributions import DiagonalGaussianDistribution
 from comfy.ldm.lightricks.symmetric_patchifier import AudioPatchifier
 from comfy.ldm.lightricks.vae.causal_audio_autoencoder import (
@@ -43,30 +40,6 @@ class AudioVAEComponentConfig:
 
         return cls(autoencoder=audio_config, vocoder=vocoder_config)
 
-
-class ModelDeviceManager:
-    """Manages device placement and GPU residency for the composed model."""
-
-    def __init__(self, module: torch.nn.Module):
-        load_device = comfy.model_management.get_torch_device()
-        offload_device = comfy.model_management.vae_offload_device()
-        self.patcher = comfy.model_patcher.ModelPatcher(module, load_device, offload_device)
-
-    def ensure_model_loaded(self) -> None:
-        comfy.model_management.free_memory(
-            self.patcher.model_size(),
-            self.patcher.load_device,
-        )
-        comfy.model_management.load_model_gpu(self.patcher)
-
-    def move_to_load_device(self, tensor: torch.Tensor) -> torch.Tensor:
-        return tensor.to(self.patcher.load_device)
-
-    @property
-    def load_device(self):
-        return self.patcher.load_device
-
-
 class AudioLatentNormalizer:
     """Applies per-channel statistics in patch space and restores original layout."""
 
@@ -132,23 +105,17 @@ class AudioPreprocessor:
 class AudioVAE(torch.nn.Module):
     """High-level Audio VAE wrapper exposing encode and decode entry points."""
 
-    def __init__(self, state_dict: dict, metadata: dict):
+    def __init__(self, metadata: dict):
         super().__init__()
 
         component_config = AudioVAEComponentConfig.from_metadata(metadata)
 
-        vae_sd = utils.state_dict_prefix_replace(state_dict, {"audio_vae.": ""}, filter_keys=True)
-        vocoder_sd = utils.state_dict_prefix_replace(state_dict, {"vocoder.": ""}, filter_keys=True)
-
         self.autoencoder = CausalAudioAutoencoder(config=component_config.autoencoder)
         if "bwe" in component_config.vocoder:
             self.vocoder = VocoderWithBWE(config=component_config.vocoder)
         else:
             self.vocoder = Vocoder(config=component_config.vocoder)
 
-        self.autoencoder.load_state_dict(vae_sd, strict=False)
-        self.vocoder.load_state_dict(vocoder_sd, strict=False)
-
         autoencoder_config = self.autoencoder.get_config()
         self.normalizer = AudioLatentNormalizer(
             AudioPatchifier(
@@ -168,18 +135,12 @@ class AudioVAE(torch.nn.Module):
             n_fft=autoencoder_config["n_fft"],
         )
 
-        self.device_manager = ModelDeviceManager(self)
-
-    def encode(self, audio: dict) -> torch.Tensor:
+    def encode(self, audio, sample_rate=44100) -> torch.Tensor:
         """Encode a waveform dictionary into normalized latent tensors."""
 
-        waveform = audio["waveform"]
-        waveform_sample_rate = audio["sample_rate"]
+        waveform = audio
+        waveform_sample_rate = sample_rate
         input_device = waveform.device
-        # Ensure that Audio VAE is loaded on the correct device.
-        self.device_manager.ensure_model_loaded()
-
-        waveform = self.device_manager.move_to_load_device(waveform)
         expected_channels = self.autoencoder.encoder.in_channels
         if waveform.shape[1] != expected_channels:
             if waveform.shape[1] == 1:
@@ -190,7 +151,7 @@ class AudioVAE(torch.nn.Module):
                 )
 
         mel_spec = self.preprocessor.waveform_to_mel(
-            waveform, waveform_sample_rate, device=self.device_manager.load_device
+            waveform, waveform_sample_rate, device=waveform.device
         )
 
         latents = self.autoencoder.encode(mel_spec)
@@ -204,17 +165,13 @@ class AudioVAE(torch.nn.Module):
         """Decode normalized latent tensors into an audio waveform."""
         original_shape = latents.shape
 
-        # Ensure that Audio VAE is loaded on the correct device.
-        self.device_manager.ensure_model_loaded()
-
-        latents = self.device_manager.move_to_load_device(latents)
         latents = self.normalizer.denormalize(latents)
 
         target_shape = self.target_shape_from_latents(original_shape)
         mel_spec = self.autoencoder.decode(latents, target_shape=target_shape)
 
         waveform = self.run_vocoder(mel_spec)
-        return self.device_manager.move_to_load_device(waveform)
+        return waveform
 
     def target_shape_from_latents(self, latents_shape):
         batch, _, time, _ = latents_shape

comfy/ldm/modules/diffusionmodules/openaimodel.py

@@ -34,6 +34,16 @@ class TimestepBlock(nn.Module):
 #This is needed because accelerate makes a copy of transformer_options which breaks "transformer_index"
 def forward_timestep_embed(ts, x, emb, context=None, transformer_options={}, output_shape=None, time_context=None, num_video_frames=None, image_only_indicator=None):
     for layer in ts:
+        if "patches" in transformer_options and "forward_timestep_embed_patch" in transformer_options["patches"]:
+            found_patched = False
+            for class_type, handler in transformer_options["patches"]["forward_timestep_embed_patch"]:
+                if isinstance(layer, class_type):
+                    x = handler(layer, x, emb, context, transformer_options, output_shape, time_context, num_video_frames, image_only_indicator)
+                    found_patched = True
+                    break
+            if found_patched:
+                continue
+
         if isinstance(layer, VideoResBlock):
             x = layer(x, emb, num_video_frames, image_only_indicator)
         elif isinstance(layer, TimestepBlock):
@@ -49,15 +59,6 @@ def forward_timestep_embed(ts, x, emb, context=None, transformer_options={}, out
         elif isinstance(layer, Upsample):
             x = layer(x, output_shape=output_shape)
         else:
-            if "patches" in transformer_options and "forward_timestep_embed_patch" in transformer_options["patches"]:
-                found_patched = False
-                for class_type, handler in transformer_options["patches"]["forward_timestep_embed_patch"]:
-                    if isinstance(layer, class_type):
-                        x = handler(layer, x, emb, context, transformer_options, output_shape, time_context, num_video_frames, image_only_indicator)
-                        found_patched = True
-                        break
-                if found_patched:
-                    continue
             x = layer(x)
     return x
 
@@ -894,6 +895,12 @@ class UNetModel(nn.Module):
             h = forward_timestep_embed(self.middle_block, h, emb, context, transformer_options, time_context=time_context, num_video_frames=num_video_frames, image_only_indicator=image_only_indicator)
         h = apply_control(h, control, 'middle')
 
+        if "middle_block_after_patch" in transformer_patches:
+            patch = transformer_patches["middle_block_after_patch"]
+            for p in patch:
+                out = p({"h": h, "x": x, "emb": emb, "context": context, "y": y,
+                         "timesteps": timesteps, "transformer_options": transformer_options})
+                h = out["h"]
 
         for id, module in enumerate(self.output_blocks):
             transformer_options["block"] = ("output", id)
@@ -905,8 +912,9 @@ class UNetModel(nn.Module):
                 for p in patch:
                     h, hsp = p(h, hsp, transformer_options)
 
-            h = th.cat([h, hsp], dim=1)
-            del hsp
+            if hsp is not None:
+                h = th.cat([h, hsp], dim=1)
+                del hsp
             if len(hs) > 0:
                 output_shape = hs[-1].shape
             else:

comfy/ldm/modules/sdpose.py

@@ -90,7 +90,7 @@ class HeatmapHead(torch.nn.Module):
                 origin_max = np.max(hm[k])
                 dr = np.zeros((H + 2 * border, W + 2 * border), dtype=np.float32)
                 dr[border:-border, border:-border] = hm[k].copy()
-                dr = gaussian_filter(dr, sigma=2.0)
+                dr = gaussian_filter(dr, sigma=2.0, truncate=2.5)
                 hm[k] = dr[border:-border, border:-border].copy()
                 cur_max = np.max(hm[k])
                 if cur_max > 0:

comfy/ldm/sam3/detector.py

@@ -0,0 +1,596 @@
+# SAM3 detector: transformer encoder-decoder, segmentation head, geometry encoder, scoring.
+
+import math
+
+import torch
+import torch.nn as nn
+import torch.nn.functional as F
+from torchvision.ops import roi_align
+
+from comfy.ldm.modules.attention import optimized_attention
+from comfy.ldm.sam3.tracker import SAM3Tracker, SAM31Tracker
+from comfy.ldm.sam3.sam import SAM3VisionBackbone  # noqa: used in __init__
+from comfy.ldm.sam3.sam import MLP, PositionEmbeddingSine
+
+TRACKER_CLASSES = {"SAM3": SAM3Tracker, "SAM31": SAM31Tracker}
+from comfy.ops import cast_to_input
+
+
+def box_cxcywh_to_xyxy(x):
+    cx, cy, w, h = x.unbind(-1)
+    return torch.stack([cx - 0.5 * w, cy - 0.5 * h, cx + 0.5 * w, cy + 0.5 * h], dim=-1)
+
+
+def gen_sineembed_for_position(pos_tensor, num_feats=256):
+    """Per-coordinate sinusoidal embedding: (..., N) -> (..., N * num_feats)."""
+    assert num_feats % 2 == 0
+    hdim = num_feats // 2
+    freqs = 10000.0 ** (2 * (torch.arange(hdim, dtype=torch.float32, device=pos_tensor.device) // 2) / hdim)
+    embeds = []
+    for c in range(pos_tensor.shape[-1]):
+        raw = (pos_tensor[..., c].float() * 2 * math.pi).unsqueeze(-1) / freqs
+        embeds.append(torch.stack([raw[..., 0::2].sin(), raw[..., 1::2].cos()], dim=-1).flatten(-2))
+    return torch.cat(embeds, dim=-1).to(pos_tensor.dtype)
+
+
+class SplitMHA(nn.Module):
+    """Multi-head attention with separate Q/K/V projections (split from fused in_proj_weight)."""
+    def __init__(self, d_model, num_heads=8, device=None, dtype=None, operations=None):
+        super().__init__()
+        self.num_heads = num_heads
+        self.q_proj = operations.Linear(d_model, d_model, device=device, dtype=dtype)
+        self.k_proj = operations.Linear(d_model, d_model, device=device, dtype=dtype)
+        self.v_proj = operations.Linear(d_model, d_model, device=device, dtype=dtype)
+        self.out_proj = operations.Linear(d_model, d_model, device=device, dtype=dtype)
+
+    def forward(self, q_input, k_input=None, v_input=None, mask=None):
+        q = self.q_proj(q_input)
+        if k_input is None:
+            k = self.k_proj(q_input)
+            v = self.v_proj(q_input)
+        else:
+            k = self.k_proj(k_input)
+            v = self.v_proj(v_input if v_input is not None else k_input)
+        if mask is not None and mask.ndim == 2:
+            mask = mask[:, None, None, :]  # [B, T] -> [B, 1, 1, T] for SDPA broadcast
+        dtype = q.dtype  # manual_cast may produce mixed dtypes
+        out = optimized_attention(q, k.to(dtype), v.to(dtype), self.num_heads, mask=mask, low_precision_attention=False)
+        return self.out_proj(out)
+
+
+class MLPWithNorm(nn.Module):
+    """MLP with residual connection and output LayerNorm."""
+    def __init__(self, input_dim, hidden_dim, output_dim, num_layers, residual=True, device=None, dtype=None, operations=None):
+        super().__init__()
+        dims = [input_dim] + [hidden_dim] * (num_layers - 1) + [output_dim]
+        self.layers = nn.ModuleList([
+            operations.Linear(dims[i], dims[i + 1], device=device, dtype=dtype)
+            for i in range(num_layers)
+        ])
+        self.out_norm = operations.LayerNorm(output_dim, device=device, dtype=dtype)
+        self.residual = residual and (input_dim == output_dim)
+
+    def forward(self, x):
+        orig = x
+        for i, layer in enumerate(self.layers):
+            x = layer(x)
+            if i < len(self.layers) - 1:
+                x = F.relu(x)
+        if self.residual:
+            x = x + orig
+        return self.out_norm(x)
+
+
+class EncoderLayer(nn.Module):
+    def __init__(self, d_model=256, num_heads=8, dim_ff=2048, device=None, dtype=None, operations=None):
+        super().__init__()
+        self.self_attn = SplitMHA(d_model, num_heads, device=device, dtype=dtype, operations=operations)
+        self.cross_attn_image = SplitMHA(d_model, num_heads, device=device, dtype=dtype, operations=operations)
+        self.linear1 = operations.Linear(d_model, dim_ff, device=device, dtype=dtype)
+        self.linear2 = operations.Linear(dim_ff, d_model, device=device, dtype=dtype)
+        self.norm1 = operations.LayerNorm(d_model, device=device, dtype=dtype)
+        self.norm2 = operations.LayerNorm(d_model, device=device, dtype=dtype)
+        self.norm3 = operations.LayerNorm(d_model, device=device, dtype=dtype)
+
+    def forward(self, x, pos, text_memory=None, text_mask=None):
+        normed = self.norm1(x)
+        q_k = normed + pos
+        x = x + self.self_attn(q_k, q_k, normed)
+        if text_memory is not None:
+            normed = self.norm2(x)
+            x = x + self.cross_attn_image(normed, text_memory, text_memory, mask=text_mask)
+        normed = self.norm3(x)
+        x = x + self.linear2(F.relu(self.linear1(normed)))
+        return x
+
+
+class TransformerEncoder(nn.Module):
+    """Checkpoint: transformer.encoder.layers.N.*"""
+    def __init__(self, d_model=256, num_heads=8, dim_ff=2048, num_layers=6, device=None, dtype=None, operations=None):
+        super().__init__()
+        self.layers = nn.ModuleList([
+            EncoderLayer(d_model, num_heads, dim_ff, device=device, dtype=dtype, operations=operations)
+            for _ in range(num_layers)
+        ])
+
+    def forward(self, x, pos, text_memory=None, text_mask=None):
+        for layer in self.layers:
+            x = layer(x, pos, text_memory, text_mask)
+        return x
+
+
+class DecoderLayer(nn.Module):
+    def __init__(self, d_model=256, num_heads=8, dim_ff=2048, device=None, dtype=None, operations=None):
+        super().__init__()
+        self.self_attn = SplitMHA(d_model, num_heads, device=device, dtype=dtype, operations=operations)
+        self.cross_attn = SplitMHA(d_model, num_heads, device=device, dtype=dtype, operations=operations)
+        self.ca_text = SplitMHA(d_model, num_heads, device=device, dtype=dtype, operations=operations)
+        self.norm1 = operations.LayerNorm(d_model, device=device, dtype=dtype)
+        self.norm2 = operations.LayerNorm(d_model, device=device, dtype=dtype)
+        self.norm3 = operations.LayerNorm(d_model, device=device, dtype=dtype)
+        self.catext_norm = operations.LayerNorm(d_model, device=device, dtype=dtype)
+        self.linear1 = operations.Linear(d_model, dim_ff, device=device, dtype=dtype)
+        self.linear2 = operations.Linear(dim_ff, d_model, device=device, dtype=dtype)
+
+    def forward(self, x, memory, x_pos, memory_pos, text_memory=None, text_mask=None, cross_attn_bias=None):
+        q_k = x + x_pos
+        x = self.norm2(x + self.self_attn(q_k, q_k, x))
+        if text_memory is not None:
+            x = self.catext_norm(x + self.ca_text(x + x_pos, text_memory, text_memory, mask=text_mask))
+        x = self.norm1(x + self.cross_attn(x + x_pos, memory + memory_pos, memory, mask=cross_attn_bias))
+        x = self.norm3(x + self.linear2(F.relu(self.linear1(x))))
+        return x
+
+
+class TransformerDecoder(nn.Module):
+    def __init__(self, d_model=256, num_heads=8, dim_ff=2048, num_layers=6,
+                 num_queries=200, device=None, dtype=None, operations=None):
+        super().__init__()
+        self.d_model = d_model
+        self.num_queries = num_queries
+
+        self.layers = nn.ModuleList([
+            DecoderLayer(d_model, num_heads, dim_ff, device=device, dtype=dtype, operations=operations)
+            for _ in range(num_layers)
+        ])
+        self.norm = operations.LayerNorm(d_model, device=device, dtype=dtype)
+        self.query_embed = operations.Embedding(num_queries, d_model, device=device, dtype=dtype)
+        self.reference_points = operations.Embedding(num_queries, 4, device=device, dtype=dtype) # Reference points: Embedding(num_queries, 4) — learned anchor boxes
+        self.ref_point_head = MLP(d_model * 2, d_model, d_model, 2, device=device, dtype=dtype, operations=operations) # ref_point_head input: 512 (4 coords * 128 sine features each)
+        self.bbox_embed = MLP(d_model, d_model, 4, 3, device=device, dtype=dtype, operations=operations)
+
+        self.boxRPB_embed_x = MLP(2, d_model, num_heads, 2, device=device, dtype=dtype, operations=operations)
+        self.boxRPB_embed_y = MLP(2, d_model, num_heads, 2, device=device, dtype=dtype, operations=operations)
+
+        self.presence_token = operations.Embedding(1, d_model, device=device, dtype=dtype)
+        self.presence_token_head = MLP(d_model, d_model, 1, 3, device=device, dtype=dtype, operations=operations)
+        self.presence_token_out_norm = operations.LayerNorm(d_model, device=device, dtype=dtype)
+
+    @staticmethod
+    def _inverse_sigmoid(x):
+        return torch.log(x / (1 - x + 1e-6) + 1e-6)
+
+    def _compute_box_rpb(self, ref_points, H, W):
+        """Box rotary position bias: (B, Q, 4) cxcywh -> (B, n_heads, Q+1, H*W) bias."""
+        boxes_xyxy = box_cxcywh_to_xyxy(ref_points)
+        B, Q, _ = boxes_xyxy.shape
+        coords_h = torch.arange(H, device=ref_points.device, dtype=torch.float32) / H
+        coords_w = torch.arange(W, device=ref_points.device, dtype=torch.float32) / W
+        deltas_x = coords_w.view(1, 1, -1, 1) - boxes_xyxy[:, :, None, 0:3:2]
+        deltas_y = coords_h.view(1, 1, -1, 1) - boxes_xyxy[:, :, None, 1:4:2]
+
+        log2_8 = float(math.log2(8))
+        def log_scale(d):
+            return torch.sign(d * 8) * torch.log2(torch.abs(d * 8) + 1.0) / log2_8
+
+        rpb_x = self.boxRPB_embed_x(log_scale(deltas_x).to(ref_points.dtype))
+        rpb_y = self.boxRPB_embed_y(log_scale(deltas_y).to(ref_points.dtype))
+
+        bias = (rpb_y.unsqueeze(3) + rpb_x.unsqueeze(2)).flatten(2, 3).permute(0, 3, 1, 2)
+        pres_bias = torch.zeros(B, bias.shape[1], 1, bias.shape[3], device=bias.device, dtype=bias.dtype)
+        return torch.cat([pres_bias, bias], dim=2)
+
+    def forward(self, memory, memory_pos, text_memory=None, text_mask=None, H=72, W=72):
+        B = memory.shape[0]
+        tgt = cast_to_input(self.query_embed.weight, memory).unsqueeze(0).expand(B, -1, -1)
+        presence_out = cast_to_input(self.presence_token.weight, memory)[None].expand(B, -1, -1)
+        ref_points = cast_to_input(self.reference_points.weight, memory).unsqueeze(0).expand(B, -1, -1).sigmoid()
+
+        for layer_idx, layer in enumerate(self.layers):
+            query_pos = self.ref_point_head(gen_sineembed_for_position(ref_points, self.d_model))
+            tgt_with_pres = torch.cat([presence_out, tgt], dim=1)
+            pos_with_pres = torch.cat([torch.zeros_like(presence_out), query_pos], dim=1)
+            tgt_with_pres = layer(tgt_with_pres, memory, pos_with_pres, memory_pos,
+                                  text_memory, text_mask, self._compute_box_rpb(ref_points, H, W))
+            presence_out, tgt = tgt_with_pres[:, :1], tgt_with_pres[:, 1:]
+            if layer_idx < len(self.layers) - 1:
+                ref_inv = self._inverse_sigmoid(ref_points)
+                ref_points = (ref_inv + self.bbox_embed(self.norm(tgt))).sigmoid().detach()
+
+        query_out = self.norm(tgt)
+        ref_inv = self._inverse_sigmoid(ref_points)
+        boxes = (ref_inv + self.bbox_embed(query_out)).sigmoid()
+        presence = self.presence_token_head(self.presence_token_out_norm(presence_out)).squeeze(-1)
+        return {"decoder_output": query_out, "pred_boxes": boxes, "presence": presence}
+
+
+class Transformer(nn.Module):
+    def __init__(self, d_model=256, num_heads=8, dim_ff=2048, enc_layers=6, dec_layers=6,
+                 num_queries=200, device=None, dtype=None, operations=None):
+        super().__init__()
+        self.encoder = TransformerEncoder(d_model, num_heads, dim_ff, enc_layers, device=device, dtype=dtype, operations=operations)
+        self.decoder = TransformerDecoder(d_model, num_heads, dim_ff, dec_layers, num_queries, device=device, dtype=dtype, operations=operations)
+
+
+class GeometryEncoder(nn.Module):
+    def __init__(self, d_model=256, num_heads=8, num_layers=3, roi_size=7, device=None, dtype=None, operations=None):
+        super().__init__()
+        self.d_model = d_model
+        self.roi_size = roi_size
+        self.pos_enc = PositionEmbeddingSine(num_pos_feats=d_model, normalize=True)
+        self.points_direct_project = operations.Linear(2, d_model, device=device, dtype=dtype)
+        self.points_pool_project = operations.Linear(d_model, d_model, device=device, dtype=dtype)
+        self.points_pos_enc_project = operations.Linear(d_model, d_model, device=device, dtype=dtype)
+        self.boxes_direct_project = operations.Linear(4, d_model, device=device, dtype=dtype)
+        self.boxes_pool_project = operations.Conv2d(d_model, d_model, kernel_size=roi_size, device=device, dtype=dtype)
+        self.boxes_pos_enc_project = operations.Linear(d_model + 2, d_model, device=device, dtype=dtype)
+        self.label_embed = operations.Embedding(2, d_model, device=device, dtype=dtype)
+        self.cls_embed = operations.Embedding(1, d_model, device=device, dtype=dtype)
+        self.norm = operations.LayerNorm(d_model, device=device, dtype=dtype)
+        self.img_pre_norm = operations.LayerNorm(d_model, device=device, dtype=dtype)
+        self.encode = nn.ModuleList([
+            EncoderLayer(d_model, num_heads, 2048, device=device, dtype=dtype, operations=operations)
+            for _ in range(num_layers)
+        ])
+        self.encode_norm = operations.LayerNorm(d_model, device=device, dtype=dtype)
+        self.final_proj = operations.Linear(d_model, d_model, device=device, dtype=dtype)
+
+    def _encode_points(self, coords, labels, img_feat_2d):
+        """Encode point prompts: direct + pool + pos_enc + label. coords: [B, N, 2] normalized."""
+        B, N, _ = coords.shape
+        embed = self.points_direct_project(coords)
+        # Pool features from backbone at point locations via grid_sample
+        grid = (coords * 2 - 1).unsqueeze(2)  # [B, N, 1, 2] in [-1, 1]
+        sampled = F.grid_sample(img_feat_2d, grid, align_corners=False)  # [B, C, N, 1]
+        embed = embed + self.points_pool_project(sampled.squeeze(-1).permute(0, 2, 1))  # [B, N, C]
+        # Positional encoding of coordinates
+        x, y = coords[:, :, 0], coords[:, :, 1]  # [B, N]
+        pos_x, pos_y = self.pos_enc._encode_xy(x.flatten(), y.flatten())
+        enc = torch.cat([pos_x, pos_y], dim=-1).view(B, N, -1)
+        embed = embed + self.points_pos_enc_project(cast_to_input(enc, embed))
+        embed = embed + cast_to_input(self.label_embed(labels.long()), embed)
+        return embed
+
+    def _encode_boxes(self, boxes, labels, img_feat_2d):
+        """Encode box prompts: direct + pool + pos_enc + label. boxes: [B, N, 4] normalized cxcywh."""
+        B, N, _ = boxes.shape
+        embed = self.boxes_direct_project(boxes)
+        # ROI align from backbone at box regions
+        H, W = img_feat_2d.shape[-2:]
+        boxes_xyxy = box_cxcywh_to_xyxy(boxes)
+        scale = torch.tensor([W, H, W, H], dtype=boxes_xyxy.dtype, device=boxes_xyxy.device)
+        boxes_scaled = boxes_xyxy * scale
+        sampled = roi_align(img_feat_2d, boxes_scaled.view(-1, 4).split(N), self.roi_size)
+        proj = self.boxes_pool_project(sampled).view(B, N, -1)  # Conv2d(roi_size) -> [B*N, C, 1, 1] -> [B, N, C]
+        embed = embed + proj
+        # Positional encoding of box center + size
+        cx, cy, w, h = boxes[:, :, 0], boxes[:, :, 1], boxes[:, :, 2], boxes[:, :, 3]
+        enc = self.pos_enc.encode_boxes(cx.flatten(), cy.flatten(), w.flatten(), h.flatten())
+        enc = enc.view(B, N, -1)
+        embed = embed + self.boxes_pos_enc_project(cast_to_input(enc, embed))
+        embed = embed + cast_to_input(self.label_embed(labels.long()), embed)
+        return embed
+
+    def forward(self, points=None, boxes=None, image_features=None):
+        """Encode geometry prompts. image_features: [B, HW, C] flattened backbone features."""
+        # Prepare 2D image features for pooling
+        img_feat_2d = None
+        if image_features is not None:
+            B = image_features.shape[0]
+            HW, C = image_features.shape[1], image_features.shape[2]
+            hw = int(math.sqrt(HW))
+            img_normed = self.img_pre_norm(image_features)
+            img_feat_2d = img_normed.permute(0, 2, 1).view(B, C, hw, hw)
+
+        embeddings = []
+        if points is not None:
+            coords, labels = points
+            embeddings.append(self._encode_points(coords, labels, img_feat_2d))
+        if boxes is not None:
+            B = boxes.shape[0]
+            box_labels = torch.ones(B, boxes.shape[1], dtype=torch.long, device=boxes.device)
+            embeddings.append(self._encode_boxes(boxes, box_labels, img_feat_2d))
+        if not embeddings:
+            return None
+        geo = torch.cat(embeddings, dim=1)
+        geo = self.norm(geo)
+        if image_features is not None:
+            for layer in self.encode:
+                geo = layer(geo, torch.zeros_like(geo), image_features)
+        geo = self.encode_norm(geo)
+        return self.final_proj(geo)
+
+
+class PixelDecoder(nn.Module):
+    """Top-down FPN pixel decoder with GroupNorm + ReLU + nearest interpolation."""
+    def __init__(self, d_model=256, num_stages=3, device=None, dtype=None, operations=None):
+        super().__init__()
+        self.conv_layers = nn.ModuleList([operations.Conv2d(d_model, d_model, kernel_size=3, padding=1, device=device, dtype=dtype) for _ in range(num_stages)])
+        self.norms = nn.ModuleList([operations.GroupNorm(8, d_model, device=device, dtype=dtype) for _ in range(num_stages)])
+
+    def forward(self, backbone_features):
+        prev = backbone_features[-1]
+        for i, feat in enumerate(backbone_features[:-1][::-1]):
+            prev = F.relu(self.norms[i](self.conv_layers[i](feat + F.interpolate(prev, size=feat.shape[-2:], mode="nearest"))))
+        return prev
+
+
+class MaskPredictor(nn.Module):
+    def __init__(self, d_model=256, device=None, dtype=None, operations=None):
+        super().__init__()
+        self.mask_embed = MLP(d_model, d_model, d_model, 3, device=device, dtype=dtype, operations=operations)
+
+    def forward(self, query_embeddings, pixel_features):
+        mask_embed = self.mask_embed(query_embeddings)
+        return torch.einsum("bqc,bchw->bqhw", mask_embed, pixel_features)
+
+
+class SegmentationHead(nn.Module):
+    def __init__(self, d_model=256, num_heads=8, device=None, dtype=None, operations=None):
+        super().__init__()
+        self.d_model = d_model
+        self.pixel_decoder = PixelDecoder(d_model, 3, device=device, dtype=dtype, operations=operations)
+        self.mask_predictor = MaskPredictor(d_model, device=device, dtype=dtype, operations=operations)
+        self.cross_attend_prompt = SplitMHA(d_model, num_heads, device=device, dtype=dtype, operations=operations)
+        self.cross_attn_norm = operations.LayerNorm(d_model, device=device, dtype=dtype)
+        self.instance_seg_head = operations.Conv2d(d_model, d_model, kernel_size=1, device=device, dtype=dtype)
+        self.semantic_seg_head = operations.Conv2d(d_model, 1, kernel_size=1, device=device, dtype=dtype)
+
+    def forward(self, query_embeddings, backbone_features, encoder_hidden_states=None, prompt=None, prompt_mask=None):
+        if encoder_hidden_states is not None and prompt is not None:
+            enc_normed = self.cross_attn_norm(encoder_hidden_states)
+            enc_cross = self.cross_attend_prompt(enc_normed, prompt, prompt, mask=prompt_mask)
+            encoder_hidden_states = enc_cross + encoder_hidden_states
+
+        if encoder_hidden_states is not None:
+            B, H, W = encoder_hidden_states.shape[0], backbone_features[-1].shape[-2], backbone_features[-1].shape[-1]
+            encoder_visual = encoder_hidden_states[:, :H * W].permute(0, 2, 1).view(B, self.d_model, H, W)
+            backbone_features = list(backbone_features)
+            backbone_features[-1] = encoder_visual
+
+        pixel_features = self.pixel_decoder(backbone_features)
+        instance_features = self.instance_seg_head(pixel_features)
+        masks = self.mask_predictor(query_embeddings, instance_features)
+        return masks
+
+
+class DotProductScoring(nn.Module):
+    def __init__(self, d_model=256, device=None, dtype=None, operations=None):
+        super().__init__()
+        self.hs_proj = operations.Linear(d_model, d_model, device=device, dtype=dtype)
+        self.prompt_proj = operations.Linear(d_model, d_model, device=device, dtype=dtype)
+        self.prompt_mlp = MLPWithNorm(d_model, 2048, d_model, 2, device=device, dtype=dtype, operations=operations)
+        self.scale = 1.0 / (d_model ** 0.5)
+
+    def forward(self, query_embeddings, prompt_embeddings, prompt_mask=None):
+        prompt = self.prompt_mlp(prompt_embeddings)
+        if prompt_mask is not None:
+            weight = prompt_mask.unsqueeze(-1).to(dtype=prompt.dtype)
+            pooled = (prompt * weight).sum(dim=1) / weight.sum(dim=1).clamp(min=1)
+        else:
+            pooled = prompt.mean(dim=1)
+        hs = self.hs_proj(query_embeddings)
+        pp = self.prompt_proj(pooled).unsqueeze(-1).to(hs.dtype)
+        scores = torch.matmul(hs, pp)
+        return (scores * self.scale).clamp(-12.0, 12.0).squeeze(-1)
+
+
+class SAM3Detector(nn.Module):
+    def __init__(self, d_model=256, embed_dim=1024, num_queries=200, device=None, dtype=None, operations=None, **kwargs):
+        super().__init__()
+        image_model = kwargs.pop("image_model", "SAM3")
+        for k in ("num_heads", "num_head_channels"):
+            kwargs.pop(k, None)
+        multiplex = image_model == "SAM31"
+        # SAM3: 4 FPN levels, drop last (scalp=1); SAM3.1: 3 levels, use all (scalp=0)
+        self.scalp = 0 if multiplex else 1
+        self.backbone = nn.ModuleDict({
+            "vision_backbone": SAM3VisionBackbone(embed_dim=embed_dim, d_model=d_model, multiplex=multiplex, device=device, dtype=dtype, operations=operations, **kwargs),
+            "language_backbone": nn.ModuleDict({"resizer": operations.Linear(embed_dim, d_model, device=device, dtype=dtype)}),
+        })
+        self.transformer = Transformer(d_model=d_model, num_queries=num_queries, device=device, dtype=dtype, operations=operations)
+        self.segmentation_head = SegmentationHead(d_model=d_model, device=device, dtype=dtype, operations=operations)
+        self.geometry_encoder = GeometryEncoder(d_model=d_model, device=device, dtype=dtype, operations=operations)
+        self.dot_prod_scoring = DotProductScoring(d_model=d_model, device=device, dtype=dtype, operations=operations)
+
+    def _get_backbone_features(self, images):
+        """Run backbone and return (detector_features, detector_positions, tracker_features, tracker_positions)."""
+        bb = self.backbone["vision_backbone"]
+        if bb.multiplex:
+            all_f, all_p, tf, tp = bb(images, tracker_mode="propagation")
+        else:
+            all_f, all_p, tf, tp = bb(images, need_tracker=True)
+        return all_f, all_p, tf, tp
+
+    @staticmethod
+    def _run_geo_layer(layer, x, memory, memory_pos):
+        x = x + layer.self_attn(layer.norm1(x))
+        x = x + layer.cross_attn_image(layer.norm2(x), memory + memory_pos, memory)
+        x = x + layer.linear2(F.relu(layer.linear1(layer.norm3(x))))
+        return x
+
+    def _detect(self, features, positions, text_embeddings=None, text_mask=None,
+                points=None, boxes=None):
+        """Shared detection: geometry encoding, transformer, scoring, segmentation."""
+        B = features[0].shape[0]
+        # Scalp for encoder (use top-level feature), but keep all levels for segmentation head
+        seg_features = features
+        if self.scalp > 0:
+            features = features[:-self.scalp]
+            positions = positions[:-self.scalp]
+        enc_feat, enc_pos = features[-1], positions[-1]
+        _, _, H, W = enc_feat.shape
+        img_flat = enc_feat.flatten(2).permute(0, 2, 1)
+        pos_flat = enc_pos.flatten(2).permute(0, 2, 1)
+
+        has_prompts = text_embeddings is not None or points is not None or boxes is not None
+        if has_prompts:
+            geo_enc = self.geometry_encoder
+            geo_prompts = geo_enc(points=points, boxes=boxes, image_features=img_flat)
+            geo_cls = geo_enc.norm(geo_enc.final_proj(cast_to_input(geo_enc.cls_embed.weight, img_flat).view(1, 1, -1).expand(B, -1, -1)))
+            for layer in geo_enc.encode:
+                geo_cls = self._run_geo_layer(layer, geo_cls, img_flat, pos_flat)
+            geo_cls = geo_enc.encode_norm(geo_cls)
+            if text_embeddings is not None and text_embeddings.shape[0] != B:
+                text_embeddings = text_embeddings.expand(B, -1, -1)
+            if text_mask is not None and text_mask.shape[0] != B:
+                text_mask = text_mask.expand(B, -1)
+            parts = [t for t in [text_embeddings, geo_prompts, geo_cls] if t is not None]
+            text_embeddings = torch.cat(parts, dim=1)
+            n_new = text_embeddings.shape[1] - (text_mask.shape[1] if text_mask is not None else 0)
+            if text_mask is not None:
+                text_mask = torch.cat([text_mask, torch.ones(B, n_new, dtype=torch.bool, device=text_mask.device)], dim=1)
+            else:
+                text_mask = torch.ones(B, text_embeddings.shape[1], dtype=torch.bool, device=text_embeddings.device)
+
+        memory = self.transformer.encoder(img_flat, pos_flat, text_embeddings, text_mask)
+        dec_out = self.transformer.decoder(memory, pos_flat, text_embeddings, text_mask, H, W)
+        query_out, pred_boxes = dec_out["decoder_output"], dec_out["pred_boxes"]
+
+        if text_embeddings is not None:
+            scores = self.dot_prod_scoring(query_out, text_embeddings, text_mask)
+        else:
+            scores = torch.zeros(B, query_out.shape[1], device=query_out.device)
+
+        masks = self.segmentation_head(query_out, seg_features, encoder_hidden_states=memory, prompt=text_embeddings, prompt_mask=text_mask)
+        return box_cxcywh_to_xyxy(pred_boxes), scores, masks, dec_out
+
+    def forward(self, images, text_embeddings=None, text_mask=None, points=None, boxes=None, threshold=0.3, orig_size=None):
+        features, positions, _, _ = self._get_backbone_features(images)
+
+        if text_embeddings is not None:
+            text_embeddings = self.backbone["language_backbone"]["resizer"](text_embeddings)
+            if text_mask is not None:
+                text_mask = text_mask.bool()
+
+        boxes_xyxy, scores, masks, dec_out = self._detect(
+            features, positions, text_embeddings, text_mask, points, boxes)
+
+        if orig_size is not None:
+            oh, ow = orig_size
+            boxes_xyxy = boxes_xyxy * torch.tensor([ow, oh, ow, oh], device=boxes_xyxy.device, dtype=boxes_xyxy.dtype)
+            masks = F.interpolate(masks, size=orig_size, mode="bilinear", align_corners=False)
+
+        return {
+            "boxes": boxes_xyxy,
+            "scores": scores,
+            "masks": masks,
+            "presence": dec_out.get("presence"),
+        }
+
+    def forward_from_trunk(self, trunk_out, text_embeddings, text_mask):
+        """Run detection using a pre-computed ViTDet trunk output.
+
+        text_embeddings must already be resized through language_backbone.resizer.
+        Returns dict with boxes (normalized xyxy), scores, masks at detector resolution.
+        """
+        bb = self.backbone["vision_backbone"]
+        features = [conv(trunk_out) for conv in bb.convs]
+        positions = [cast_to_input(bb.position_encoding(f), f) for f in features]
+
+        if text_mask is not None:
+            text_mask = text_mask.bool()
+
+        boxes_xyxy, scores, masks, _ = self._detect(features, positions, text_embeddings, text_mask)
+        return {"boxes": boxes_xyxy, "scores": scores, "masks": masks}
+
+
+class SAM3Model(nn.Module):
+    def __init__(self, device=None, dtype=None, operations=None, **kwargs):
+        super().__init__()
+        self.dtype = dtype
+        image_model = kwargs.get("image_model", "SAM3")
+        tracker_cls = TRACKER_CLASSES[image_model]
+        self.detector = SAM3Detector(device=device, dtype=dtype, operations=operations, **kwargs)
+        self.tracker = tracker_cls(device=device, dtype=dtype, operations=operations, **kwargs)
+
+    def forward(self, images, **kwargs):
+        return self.detector(images, **kwargs)
+
+    def forward_segment(self, images, point_inputs=None, box_inputs=None, mask_inputs=None):
+        """Interactive segmentation using SAM decoder with point/box/mask prompts.
+
+        Args:
+            images: [B, 3, 1008, 1008] preprocessed images
+            point_inputs: {"point_coords": [B, N, 2], "point_labels": [B, N]} in 1008x1008 pixel space
+            box_inputs: [B, 2, 2] box corners (top-left, bottom-right) in 1008x1008 pixel space
+            mask_inputs: [B, 1, H, W] coarse mask logits to refine
+        Returns:
+            [B, 1, image_size, image_size] high-res mask logits
+        """
+        bb = self.detector.backbone["vision_backbone"]
+        if bb.multiplex:
+            _, _, tracker_features, tracker_positions = bb(images, tracker_mode="interactive")
+        else:
+            _, _, tracker_features, tracker_positions = bb(images, need_tracker=True)
+            if self.detector.scalp > 0:
+                tracker_features = tracker_features[:-self.detector.scalp]
+                tracker_positions = tracker_positions[:-self.detector.scalp]
+
+        high_res = list(tracker_features[:-1])
+        backbone_feat = tracker_features[-1]
+        B, C, H, W = backbone_feat.shape
+        # Add no-memory embedding (init frame path)
+        no_mem = getattr(self.tracker, 'interactivity_no_mem_embed', None)
+        if no_mem is None:
+            no_mem = getattr(self.tracker, 'no_mem_embed', None)
+        if no_mem is not None:
+            feat_flat = backbone_feat.flatten(2).permute(0, 2, 1)
+            feat_flat = feat_flat + cast_to_input(no_mem, feat_flat)
+            backbone_feat = feat_flat.view(B, H, W, C).permute(0, 3, 1, 2)
+
+        num_pts = 0 if point_inputs is None else point_inputs["point_labels"].size(1)
+        _, high_res_masks, _, _ = self.tracker._forward_sam_heads(
+            backbone_features=backbone_feat,
+            point_inputs=point_inputs,
+            mask_inputs=mask_inputs,
+            box_inputs=box_inputs,
+            high_res_features=high_res,
+            multimask_output=(0 < num_pts <= 1),
+        )
+        return high_res_masks
+
+    def forward_video(self, images, initial_masks, pbar=None, text_prompts=None,
+                       new_det_thresh=0.5, max_objects=0, detect_interval=1):
+        """Track video with optional per-frame text-prompted detection."""
+        bb = self.detector.backbone["vision_backbone"]
+
+        def backbone_fn(frame, frame_idx=None):
+            trunk_out = bb.trunk(frame)
+            if bb.multiplex:
+                _, _, tf, tp = bb(frame, tracker_mode="propagation", cached_trunk=trunk_out, tracker_only=True)
+            else:
+                _, _, tf, tp = bb(frame, need_tracker=True, cached_trunk=trunk_out, tracker_only=True)
+            return tf, tp, trunk_out
+
+        detect_fn = None
+        if text_prompts:
+            resizer = self.detector.backbone["language_backbone"]["resizer"]
+            resized = [(resizer(emb), m.bool() if m is not None else None) for emb, m in text_prompts]
+            def detect_fn(trunk_out):
+                all_scores, all_masks = [], []
+                for emb, mask in resized:
+                    det = self.detector.forward_from_trunk(trunk_out, emb, mask)
+                    all_scores.append(det["scores"])
+                    all_masks.append(det["masks"])
+                return {"scores": torch.cat(all_scores, dim=1), "masks": torch.cat(all_masks, dim=1)}
+
+        if hasattr(self.tracker, 'track_video_with_detection'):
+            return self.tracker.track_video_with_detection(
+                backbone_fn, images, initial_masks, detect_fn,
+                new_det_thresh=new_det_thresh, max_objects=max_objects,
+                detect_interval=detect_interval, backbone_obj=bb, pbar=pbar)
+        # SAM3 (non-multiplex) — no detection support, requires initial masks
+        if initial_masks is None:
+            raise ValueError("SAM3 (non-multiplex) requires initial_mask for video tracking")
+        return self.tracker.track_video(backbone_fn, images, initial_masks, pbar=pbar, backbone_obj=bb)

comfy/ldm/sam3/sam.py

@@ -0,0 +1,425 @@
+# SAM3 shared components: primitives, ViTDet backbone, FPN neck, position encodings.
+
+import math
+
+import torch
+import torch.nn as nn
+import torch.nn.functional as F
+
+from comfy.ldm.modules.attention import optimized_attention
+from comfy.ldm.flux.math import apply_rope
+from comfy.ldm.flux.layers import EmbedND
+from comfy.ops import cast_to_input
+
+
+class MLP(nn.Module):
+    def __init__(self, input_dim, hidden_dim, output_dim, num_layers, sigmoid_output=False, device=None, dtype=None, operations=None):
+        super().__init__()
+        dims = [input_dim] + [hidden_dim] * (num_layers - 1) + [output_dim]
+        self.layers = nn.ModuleList([operations.Linear(dims[i], dims[i + 1], device=device, dtype=dtype) for i in range(num_layers)])
+        self.sigmoid_output = sigmoid_output
+
+    def forward(self, x):
+        for i, layer in enumerate(self.layers):
+            x = F.relu(layer(x)) if i < len(self.layers) - 1 else layer(x)
+        return torch.sigmoid(x) if self.sigmoid_output else x
+
+
+class SAMAttention(nn.Module):
+    def __init__(self, embedding_dim, num_heads, downsample_rate=1, kv_in_dim=None, device=None, dtype=None, operations=None):
+        super().__init__()
+        self.num_heads = num_heads
+        internal_dim = embedding_dim // downsample_rate
+        kv_dim = kv_in_dim if kv_in_dim is not None else embedding_dim
+        self.q_proj = operations.Linear(embedding_dim, internal_dim, device=device, dtype=dtype)
+        self.k_proj = operations.Linear(kv_dim, internal_dim, device=device, dtype=dtype)
+        self.v_proj = operations.Linear(kv_dim, internal_dim, device=device, dtype=dtype)
+        self.out_proj = operations.Linear(internal_dim, embedding_dim, device=device, dtype=dtype)
+
+    def forward(self, q, k, v):
+        q = self.q_proj(q)
+        k = self.k_proj(k)
+        v = self.v_proj(v)
+        return self.out_proj(optimized_attention(q, k, v, self.num_heads, low_precision_attention=False))
+
+
+class TwoWayAttentionBlock(nn.Module):
+    def __init__(self, embedding_dim, num_heads, mlp_dim=2048, attention_downsample_rate=2, skip_first_layer_pe=False, device=None, dtype=None, operations=None):
+        super().__init__()
+        self.skip_first_layer_pe = skip_first_layer_pe
+        self.self_attn = SAMAttention(embedding_dim, num_heads, device=device, dtype=dtype, operations=operations)
+        self.cross_attn_token_to_image = SAMAttention(embedding_dim, num_heads, downsample_rate=attention_downsample_rate, device=device, dtype=dtype, operations=operations)
+        self.cross_attn_image_to_token = SAMAttention(embedding_dim, num_heads, downsample_rate=attention_downsample_rate, device=device, dtype=dtype, operations=operations)
+        self.mlp = nn.Sequential(operations.Linear(embedding_dim, mlp_dim, device=device, dtype=dtype), nn.ReLU(), operations.Linear(mlp_dim, embedding_dim, device=device, dtype=dtype))
+        self.norm1 = operations.LayerNorm(embedding_dim, device=device, dtype=dtype)
+        self.norm2 = operations.LayerNorm(embedding_dim, device=device, dtype=dtype)
+        self.norm3 = operations.LayerNorm(embedding_dim, device=device, dtype=dtype)
+        self.norm4 = operations.LayerNorm(embedding_dim, device=device, dtype=dtype)
+
+    def forward(self, queries, keys, query_pe, key_pe):
+        if self.skip_first_layer_pe:
+            queries = self.norm1(self.self_attn(queries, queries, queries))
+        else:
+            q = queries + query_pe
+            queries = self.norm1(queries + self.self_attn(q, q, queries))
+        q, k = queries + query_pe, keys + key_pe
+        queries = self.norm2(queries + self.cross_attn_token_to_image(q, k, keys))
+        queries = self.norm3(queries + self.mlp(queries))
+        q, k = queries + query_pe, keys + key_pe
+        keys = self.norm4(keys + self.cross_attn_image_to_token(k, q, queries))
+        return queries, keys
+
+
+class TwoWayTransformer(nn.Module):
+    def __init__(self, depth=2, embedding_dim=256, num_heads=8, mlp_dim=2048, attention_downsample_rate=2, device=None, dtype=None, operations=None):
+        super().__init__()
+        self.layers = nn.ModuleList([
+            TwoWayAttentionBlock(embedding_dim, num_heads, mlp_dim, attention_downsample_rate,
+                                 skip_first_layer_pe=(i == 0), device=device, dtype=dtype, operations=operations)
+            for i in range(depth)
+        ])
+        self.final_attn_token_to_image = SAMAttention(embedding_dim, num_heads, downsample_rate=attention_downsample_rate, device=device, dtype=dtype, operations=operations)
+        self.norm_final = operations.LayerNorm(embedding_dim, device=device, dtype=dtype)
+
+    def forward(self, image_embedding, image_pe, point_embedding):
+        queries, keys = point_embedding, image_embedding
+        for layer in self.layers:
+            queries, keys = layer(queries, keys, point_embedding, image_pe)
+        q, k = queries + point_embedding, keys + image_pe
+        queries = self.norm_final(queries + self.final_attn_token_to_image(q, k, keys))
+        return queries, keys
+
+
+class PositionEmbeddingRandom(nn.Module):
+    """Fourier feature positional encoding with random gaussian projection."""
+    def __init__(self, num_pos_feats=64, scale=None):
+        super().__init__()
+        self.register_buffer("positional_encoding_gaussian_matrix", (scale or 1.0) * torch.randn(2, num_pos_feats))
+
+    def _encode(self, normalized_coords):
+        """Map normalized [0,1] coordinates to fourier features via random projection. Computes in fp32."""
+        orig_dtype = normalized_coords.dtype
+        proj_matrix = self.positional_encoding_gaussian_matrix.to(device=normalized_coords.device, dtype=torch.float32)
+        projected = 2 * math.pi * (2 * normalized_coords.float() - 1) @ proj_matrix
+        return torch.cat([projected.sin(), projected.cos()], dim=-1).to(orig_dtype)
+
+    def forward(self, size, device=None):
+        h, w = size
+        dev = device if device is not None else self.positional_encoding_gaussian_matrix.device
+        ones = torch.ones((h, w), device=dev, dtype=torch.float32)
+        norm_xy = torch.stack([(ones.cumsum(1) - 0.5) / w, (ones.cumsum(0) - 0.5) / h], dim=-1)
+        return self._encode(norm_xy).permute(2, 0, 1).unsqueeze(0)
+
+    def forward_with_coords(self, pixel_coords, image_size):
+        norm = pixel_coords.clone()
+        norm[:, :, 0] /= image_size[1]
+        norm[:, :, 1] /= image_size[0]
+        return self._encode(norm)
+
+
+# ViTDet backbone + FPN neck
+
+def window_partition(x: torch.Tensor, window_size: int):
+    B, H, W, C = x.shape
+    pad_h = (window_size - H % window_size) % window_size
+    pad_w = (window_size - W % window_size) % window_size
+    if pad_h > 0 or pad_w > 0:
+        x = F.pad(x, (0, 0, 0, pad_w, 0, pad_h))
+    Hp, Wp = H + pad_h, W + pad_w
+    x = x.view(B, Hp // window_size, window_size, Wp // window_size, window_size, C)
+    windows = x.permute(0, 1, 3, 2, 4, 5).contiguous().view(-1, window_size, window_size, C)
+    return windows, (Hp, Wp)
+
+
+def window_unpartition(windows: torch.Tensor, window_size: int, pad_hw, hw):
+    Hp, Wp = pad_hw
+    H, W = hw
+    B = windows.shape[0] // (Hp * Wp // window_size // window_size)
+    x = windows.view(B, Hp // window_size, Wp // window_size, window_size, window_size, -1)
+    x = x.permute(0, 1, 3, 2, 4, 5).contiguous().view(B, Hp, Wp, -1)
+    if Hp > H or Wp > W:
+        x = x[:, :H, :W, :].contiguous()
+    return x
+
+
+def rope_2d(end_x: int, end_y: int, dim: int, theta: float = 10000.0, scale_pos: float = 1.0):
+    """Generate 2D axial RoPE using flux EmbedND. Returns [1, 1, HW, dim//2, 2, 2]."""
+    t = torch.arange(end_x * end_y, dtype=torch.float32)
+    ids = torch.stack([(t % end_x) * scale_pos,
+                       torch.div(t, end_x, rounding_mode="floor") * scale_pos], dim=-1)
+    return EmbedND(dim=dim, theta=theta, axes_dim=[dim // 2, dim // 2])(ids.unsqueeze(0))
+
+
+class _ViTMLP(nn.Module):
+    def __init__(self, dim, mlp_ratio=4.0, device=None, dtype=None, operations=None):
+        super().__init__()
+        hidden = int(dim * mlp_ratio)
+        self.fc1 = operations.Linear(dim, hidden, device=device, dtype=dtype)
+        self.act = nn.GELU()
+        self.fc2 = operations.Linear(hidden, dim, device=device, dtype=dtype)
+
+    def forward(self, x):
+        return self.fc2(self.act(self.fc1(x)))
+
+
+class Attention(nn.Module):
+    """ViTDet multi-head attention with fused QKV projection."""
+
+    def __init__(self, dim, num_heads=8, qkv_bias=True, use_rope=False, device=None, dtype=None, operations=None):
+        super().__init__()
+        self.num_heads = num_heads
+        self.head_dim = dim // num_heads
+        self.use_rope = use_rope
+        self.qkv = operations.Linear(dim, dim * 3, bias=qkv_bias, device=device, dtype=dtype)
+        self.proj = operations.Linear(dim, dim, device=device, dtype=dtype)
+
+    def forward(self, x, freqs_cis=None):
+        B, N, C = x.shape
+        qkv = self.qkv(x).reshape(B, N, 3, self.num_heads, self.head_dim)
+        q, k, v = qkv.permute(2, 0, 3, 1, 4).unbind(dim=0)
+        if self.use_rope and freqs_cis is not None:
+            q, k = apply_rope(q, k, freqs_cis)
+        return self.proj(optimized_attention(q, k, v, self.num_heads, skip_reshape=True, low_precision_attention=False))
+
+
+class Block(nn.Module):
+    def __init__(self, dim, num_heads, mlp_ratio=4.0, qkv_bias=True, window_size=0, use_rope=False, device=None, dtype=None, operations=None):
+        super().__init__()
+        self.window_size = window_size
+        self.norm1 = operations.LayerNorm(dim, device=device, dtype=dtype)
+        self.attn = Attention(dim, num_heads, qkv_bias, use_rope, device=device, dtype=dtype, operations=operations)
+        self.norm2 = operations.LayerNorm(dim, device=device, dtype=dtype)
+        self.mlp = _ViTMLP(dim, mlp_ratio, device=device, dtype=dtype, operations=operations)
+
+    def forward(self, x, freqs_cis=None):
+        shortcut = x
+        x = self.norm1(x)
+        if self.window_size > 0:
+            H, W = x.shape[1], x.shape[2]
+            x, pad_hw = window_partition(x, self.window_size)
+            x = x.view(x.shape[0], self.window_size * self.window_size, -1)
+            x = self.attn(x, freqs_cis=freqs_cis)
+            x = x.view(-1, self.window_size, self.window_size, x.shape[-1])
+            x = window_unpartition(x, self.window_size, pad_hw, (H, W))
+        else:
+            B, H, W, C = x.shape
+            x = x.view(B, H * W, C)
+            x = self.attn(x, freqs_cis=freqs_cis)
+            x = x.view(B, H, W, C)
+        x = shortcut + x
+        x = x + self.mlp(self.norm2(x))
+        return x
+
+
+class PatchEmbed(nn.Module):
+    def __init__(self, patch_size=14, in_chans=3, embed_dim=1024, device=None, dtype=None, operations=None):
+        super().__init__()
+        self.proj = operations.Conv2d(in_chans, embed_dim, kernel_size=patch_size, stride=patch_size, bias=False, device=device, dtype=dtype)
+
+    def forward(self, x):
+        return self.proj(x)
+
+
+class ViTDet(nn.Module):
+    def __init__(self, img_size=1008, patch_size=14, embed_dim=1024, depth=32, num_heads=16, mlp_ratio=4.625, qkv_bias=True, window_size=24,
+                 global_att_blocks=(7, 15, 23, 31), use_rope=True, pretrain_img_size=336, device=None, dtype=None, operations=None, **kwargs):
+        super().__init__()
+        self.img_size = img_size
+        self.patch_size = patch_size
+        self.embed_dim = embed_dim
+        self.num_heads = num_heads
+        self.global_att_blocks = set(global_att_blocks)
+
+        self.patch_embed = PatchEmbed(patch_size, 3, embed_dim, device=device, dtype=dtype, operations=operations)
+
+        num_patches = (pretrain_img_size // patch_size) ** 2 + 1  # +1 for cls token
+        self.pos_embed = nn.Parameter(torch.zeros(1, num_patches, embed_dim, device=device, dtype=dtype))
+
+        self.ln_pre = operations.LayerNorm(embed_dim, device=device, dtype=dtype)
+
+        grid_size = img_size // patch_size
+        pretrain_grid = pretrain_img_size // patch_size
+
+        self.blocks = nn.ModuleList()
+        for i in range(depth):
+            is_global = i in self.global_att_blocks
+            self.blocks.append(Block(
+                embed_dim, num_heads, mlp_ratio, qkv_bias,
+                window_size=0 if is_global else window_size,
+                use_rope=use_rope,
+                device=device, dtype=dtype, operations=operations,
+            ))
+
+        if use_rope:
+            rope_scale = pretrain_grid / grid_size
+            self.register_buffer("freqs_cis", rope_2d(grid_size, grid_size, embed_dim // num_heads, scale_pos=rope_scale), persistent=False)
+            self.register_buffer("freqs_cis_window", rope_2d(window_size, window_size, embed_dim // num_heads), persistent=False)
+        else:
+            self.freqs_cis = None
+            self.freqs_cis_window = None
+
+    def _get_pos_embed(self, num_tokens):
+        pos = self.pos_embed
+        if pos.shape[1] == num_tokens:
+            return pos
+        cls_pos = pos[:, :1]
+        spatial_pos = pos[:, 1:]
+        old_size = int(math.sqrt(spatial_pos.shape[1]))
+        new_size = int(math.sqrt(num_tokens - 1)) if num_tokens > 1 else old_size
+        spatial_2d = spatial_pos.reshape(1, old_size, old_size, -1).permute(0, 3, 1, 2)
+        tiles_h = new_size // old_size + 1
+        tiles_w = new_size // old_size + 1
+        tiled = spatial_2d.tile([1, 1, tiles_h, tiles_w])[:, :, :new_size, :new_size]
+        tiled = tiled.permute(0, 2, 3, 1).reshape(1, new_size * new_size, -1)
+        return torch.cat([cls_pos, tiled], dim=1)
+
+    def forward(self, x):
+        x = self.patch_embed(x)
+        B, C, Hp, Wp = x.shape
+        x = x.permute(0, 2, 3, 1).reshape(B, Hp * Wp, C)
+
+        pos = cast_to_input(self._get_pos_embed(Hp * Wp + 1), x)
+        x = x + pos[:, 1:Hp * Wp + 1]
+
+        x = x.view(B, Hp, Wp, C)
+        x = self.ln_pre(x)
+
+        freqs_cis_global = self.freqs_cis
+        freqs_cis_win = self.freqs_cis_window
+        if freqs_cis_global is not None:
+            freqs_cis_global = cast_to_input(freqs_cis_global, x)
+        if freqs_cis_win is not None:
+            freqs_cis_win = cast_to_input(freqs_cis_win, x)
+
+        for block in self.blocks:
+            fc = freqs_cis_win if block.window_size > 0 else freqs_cis_global
+            x = block(x, freqs_cis=fc)
+
+        return x.permute(0, 3, 1, 2)
+
+
+class FPNScaleConv(nn.Module):
+    def __init__(self, in_dim, out_dim, scale, device=None, dtype=None, operations=None):
+        super().__init__()
+        if scale == 4.0:
+            self.dconv_2x2_0 = operations.ConvTranspose2d(in_dim, in_dim // 2, kernel_size=2, stride=2, device=device, dtype=dtype)
+            self.dconv_2x2_1 = operations.ConvTranspose2d(in_dim // 2, in_dim // 4, kernel_size=2, stride=2, device=device, dtype=dtype)
+            proj_in = in_dim // 4
+        elif scale == 2.0:
+            self.dconv_2x2 = operations.ConvTranspose2d(in_dim, in_dim // 2, kernel_size=2, stride=2, device=device, dtype=dtype)
+            proj_in = in_dim // 2
+        elif scale == 1.0:
+            proj_in = in_dim
+        elif scale == 0.5:
+            self.pool = nn.MaxPool2d(kernel_size=2, stride=2)
+            proj_in = in_dim
+        self.scale = scale
+        self.conv_1x1 = operations.Conv2d(proj_in, out_dim, kernel_size=1, device=device, dtype=dtype)
+        self.conv_3x3 = operations.Conv2d(out_dim, out_dim, kernel_size=3, padding=1, device=device, dtype=dtype)
+
+    def forward(self, x):
+        if self.scale == 4.0:
+            x = F.gelu(self.dconv_2x2_0(x))
+            x = self.dconv_2x2_1(x)
+        elif self.scale == 2.0:
+            x = self.dconv_2x2(x)
+        elif self.scale == 0.5:
+            x = self.pool(x)
+        x = self.conv_1x1(x)
+        x = self.conv_3x3(x)
+        return x
+
+
+class PositionEmbeddingSine(nn.Module):
+    """2D sinusoidal position encoding (DETR-style) with result caching."""
+    def __init__(self, num_pos_feats=256, temperature=10000.0, normalize=True, scale=None):
+        super().__init__()
+        assert num_pos_feats % 2 == 0
+        self.half_dim = num_pos_feats // 2
+        self.temperature = temperature
+        self.normalize = normalize
+        self.scale = scale if scale is not None else 2 * math.pi
+        self._cache = {}
+
+    def _sincos(self, vals):
+        """Encode 1D values to interleaved sin/cos features."""
+        freqs = self.temperature ** (2 * (torch.arange(self.half_dim, dtype=torch.float32, device=vals.device) // 2) / self.half_dim)
+        raw = vals[..., None] * self.scale / freqs
+        return torch.stack((raw[..., 0::2].sin(), raw[..., 1::2].cos()), dim=-1).flatten(-2)
+
+    def _encode_xy(self, x, y):
+        """Encode normalized x, y coordinates to sinusoidal features. Returns (pos_x, pos_y) each [N, half_dim]."""
+        dim_t = self.temperature ** (2 * (torch.arange(self.half_dim, dtype=torch.float32, device=x.device) // 2) / self.half_dim)
+        pos_x = x[:, None] * self.scale / dim_t
+        pos_y = y[:, None] * self.scale / dim_t
+        pos_x = torch.stack((pos_x[:, 0::2].sin(), pos_x[:, 1::2].cos()), dim=2).flatten(1)
+        pos_y = torch.stack((pos_y[:, 0::2].sin(), pos_y[:, 1::2].cos()), dim=2).flatten(1)
+        return pos_x, pos_y
+
+    def encode_boxes(self, cx, cy, w, h):
+        """Encode box center + size to [N, d_model+2] features."""
+        pos_x, pos_y = self._encode_xy(cx, cy)
+        return torch.cat((pos_y, pos_x, h[:, None], w[:, None]), dim=1)
+
+    def forward(self, x):
+        B, C, H, W = x.shape
+        key = (H, W, x.device)
+        if key not in self._cache:
+            gy = torch.arange(H, dtype=torch.float32, device=x.device)
+            gx = torch.arange(W, dtype=torch.float32, device=x.device)
+            if self.normalize:
+                gy, gx = gy / (H - 1 + 1e-6), gx / (W - 1 + 1e-6)
+            yy, xx = torch.meshgrid(gy, gx, indexing="ij")
+            self._cache[key] = torch.cat((self._sincos(yy), self._sincos(xx)), dim=-1).permute(2, 0, 1).unsqueeze(0)
+        return self._cache[key].expand(B, -1, -1, -1)
+
+
+class SAM3VisionBackbone(nn.Module):
+    def __init__(self, embed_dim=1024, d_model=256, multiplex=False, device=None, dtype=None, operations=None, **kwargs):
+        super().__init__()
+        self.trunk = ViTDet(embed_dim=embed_dim, device=device, dtype=dtype, operations=operations, **kwargs)
+        self.position_encoding = PositionEmbeddingSine(num_pos_feats=d_model, normalize=True)
+        self.multiplex = multiplex
+
+        fpn_args = dict(device=device, dtype=dtype, operations=operations)
+        if multiplex:
+            scales = [4.0, 2.0, 1.0]
+            self.convs = nn.ModuleList([FPNScaleConv(embed_dim, d_model, s, **fpn_args) for s in scales])
+            self.propagation_convs = nn.ModuleList([FPNScaleConv(embed_dim, d_model, s, **fpn_args) for s in scales])
+            self.interactive_convs = nn.ModuleList([FPNScaleConv(embed_dim, d_model, s, **fpn_args) for s in scales])
+        else:
+            scales = [4.0, 2.0, 1.0, 0.5]
+            self.convs = nn.ModuleList([FPNScaleConv(embed_dim, d_model, s, **fpn_args) for s in scales])
+            self.sam2_convs = nn.ModuleList([FPNScaleConv(embed_dim, d_model, s, **fpn_args) for s in scales])
+
+    def forward(self, images, need_tracker=False, tracker_mode=None, cached_trunk=None, tracker_only=False):
+        backbone_out = cached_trunk if cached_trunk is not None else self.trunk(images)
+
+        if tracker_only:
+            # Skip detector FPN when only tracker features are needed (video tracking)
+            if self.multiplex:
+                tracker_convs = self.propagation_convs if tracker_mode == "propagation" else self.interactive_convs
+            else:
+                tracker_convs = self.sam2_convs
+            tracker_features = [conv(backbone_out) for conv in tracker_convs]
+            tracker_positions = [cast_to_input(self.position_encoding(f), f) for f in tracker_features]
+            return None, None, tracker_features, tracker_positions
+
+        features = [conv(backbone_out) for conv in self.convs]
+        positions = [cast_to_input(self.position_encoding(f), f) for f in features]
+
+        if self.multiplex:
+            if tracker_mode == "propagation":
+                tracker_convs = self.propagation_convs
+            elif tracker_mode == "interactive":
+                tracker_convs = self.interactive_convs
+            else:
+                return features, positions, None, None
+        elif need_tracker:
+            tracker_convs = self.sam2_convs
+        else:
+            return features, positions, None, None
+
+        tracker_features = [conv(backbone_out) for conv in tracker_convs]
+        tracker_positions = [cast_to_input(self.position_encoding(f), f) for f in tracker_features]
+        return features, positions, tracker_features, tracker_positions

comfy/ldm/supir/supir_modules.py

@@ -0,0 +1,226 @@
+import torch
+import torch.nn as nn
+
+from comfy.ldm.modules.diffusionmodules.util import timestep_embedding
+from comfy.ldm.modules.diffusionmodules.openaimodel import Downsample, TimestepEmbedSequential, ResBlock, SpatialTransformer
+from comfy.ldm.modules.attention import optimized_attention
+
+
+class ZeroSFT(nn.Module):
+    def __init__(self, label_nc, norm_nc, concat_channels=0, dtype=None, device=None, operations=None):
+        super().__init__()
+
+        ks = 3
+        pw = ks // 2
+
+        self.param_free_norm = operations.GroupNorm(32, norm_nc + concat_channels, dtype=dtype, device=device)
+
+        nhidden = 128
+
+        self.mlp_shared = nn.Sequential(
+            operations.Conv2d(label_nc, nhidden, kernel_size=ks, padding=pw, dtype=dtype, device=device),
+            nn.SiLU()
+        )
+        self.zero_mul = operations.Conv2d(nhidden, norm_nc + concat_channels, kernel_size=ks, padding=pw, dtype=dtype, device=device)
+        self.zero_add = operations.Conv2d(nhidden, norm_nc + concat_channels, kernel_size=ks, padding=pw, dtype=dtype, device=device)
+
+        self.zero_conv = operations.Conv2d(label_nc, norm_nc, 1, 1, 0, dtype=dtype, device=device)
+        self.pre_concat = bool(concat_channels != 0)
+
+    def forward(self, c, h, h_ori=None, control_scale=1):
+        if h_ori is not None and self.pre_concat:
+            h_raw = torch.cat([h_ori, h], dim=1)
+        else:
+            h_raw = h
+
+        h = h + self.zero_conv(c)
+        if h_ori is not None and self.pre_concat:
+            h = torch.cat([h_ori, h], dim=1)
+        actv = self.mlp_shared(c)
+        gamma = self.zero_mul(actv)
+        beta = self.zero_add(actv)
+        h = self.param_free_norm(h)
+        h = torch.addcmul(h + beta, h, gamma)
+        if h_ori is not None and not self.pre_concat:
+            h = torch.cat([h_ori, h], dim=1)
+        return torch.lerp(h_raw, h, control_scale)
+
+
+class _CrossAttnInner(nn.Module):
+    """Inner cross-attention module matching the state_dict layout of the original CrossAttention."""
+    def __init__(self, query_dim, context_dim, heads, dim_head, dtype=None, device=None, operations=None):
+        super().__init__()
+        inner_dim = dim_head * heads
+        self.heads = heads
+        self.to_q = operations.Linear(query_dim, inner_dim, bias=False, dtype=dtype, device=device)
+        self.to_k = operations.Linear(context_dim, inner_dim, bias=False, dtype=dtype, device=device)
+        self.to_v = operations.Linear(context_dim, inner_dim, bias=False, dtype=dtype, device=device)
+        self.to_out = nn.Sequential(
+            operations.Linear(inner_dim, query_dim, dtype=dtype, device=device),
+        )
+
+    def forward(self, x, context):
+        q = self.to_q(x)
+        k = self.to_k(context)
+        v = self.to_v(context)
+        return self.to_out(optimized_attention(q, k, v, self.heads))
+
+
+class ZeroCrossAttn(nn.Module):
+    def __init__(self, context_dim, query_dim, dtype=None, device=None, operations=None):
+        super().__init__()
+        heads = query_dim // 64
+        dim_head = 64
+        self.attn = _CrossAttnInner(query_dim, context_dim, heads, dim_head, dtype=dtype, device=device, operations=operations)
+        self.norm1 = operations.GroupNorm(32, query_dim, dtype=dtype, device=device)
+        self.norm2 = operations.GroupNorm(32, context_dim, dtype=dtype, device=device)
+
+    def forward(self, context, x, control_scale=1):
+        b, c, h, w = x.shape
+        x_in = x
+
+        x = self.attn(
+            self.norm1(x).flatten(2).transpose(1, 2),
+            self.norm2(context).flatten(2).transpose(1, 2),
+        ).transpose(1, 2).unflatten(2, (h, w))
+
+        return x_in + x * control_scale
+
+
+class GLVControl(nn.Module):
+    """SUPIR's Guided Latent Vector control encoder. Truncated UNet (input + middle blocks only)."""
+    def __init__(
+        self,
+        in_channels=4,
+        model_channels=320,
+        num_res_blocks=2,
+        attention_resolutions=(4, 2),
+        channel_mult=(1, 2, 4),
+        num_head_channels=64,
+        transformer_depth=(1, 2, 10),
+        context_dim=2048,
+        adm_in_channels=2816,
+        use_linear_in_transformer=True,
+        use_checkpoint=False,
+        dtype=None,
+        device=None,
+        operations=None,
+        **kwargs,
+    ):
+        super().__init__()
+        self.model_channels = model_channels
+        time_embed_dim = model_channels * 4
+
+        self.time_embed = nn.Sequential(
+            operations.Linear(model_channels, time_embed_dim, dtype=dtype, device=device),
+            nn.SiLU(),
+            operations.Linear(time_embed_dim, time_embed_dim, dtype=dtype, device=device),
+        )
+
+        self.label_emb = nn.Sequential(
+            nn.Sequential(
+                operations.Linear(adm_in_channels, time_embed_dim, dtype=dtype, device=device),
+                nn.SiLU(),
+                operations.Linear(time_embed_dim, time_embed_dim, dtype=dtype, device=device),
+            )
+        )
+
+        self.input_blocks = nn.ModuleList([
+            TimestepEmbedSequential(
+                operations.Conv2d(in_channels, model_channels, 3, padding=1, dtype=dtype, device=device)
+            )
+        ])
+        ch = model_channels
+        ds = 1
+        for level, mult in enumerate(channel_mult):
+            for nr in range(num_res_blocks):
+                layers = [
+                    ResBlock(ch, time_embed_dim, 0, out_channels=mult * model_channels,
+                             dtype=dtype, device=device, operations=operations)
+                ]
+                ch = mult * model_channels
+                if ds in attention_resolutions:
+                    num_heads = ch // num_head_channels
+                    layers.append(
+                        SpatialTransformer(ch, num_heads, num_head_channels,
+                                           depth=transformer_depth[level], context_dim=context_dim,
+                                           use_linear=use_linear_in_transformer,
+                                           use_checkpoint=use_checkpoint,
+                                           dtype=dtype, device=device, operations=operations)
+                    )
+                self.input_blocks.append(TimestepEmbedSequential(*layers))
+            if level != len(channel_mult) - 1:
+                self.input_blocks.append(
+                    TimestepEmbedSequential(
+                        Downsample(ch, True, out_channels=ch, dtype=dtype, device=device, operations=operations)
+                    )
+                )
+                ds *= 2
+
+        num_heads = ch // num_head_channels
+        self.middle_block = TimestepEmbedSequential(
+            ResBlock(ch, time_embed_dim, 0, dtype=dtype, device=device, operations=operations),
+            SpatialTransformer(ch, num_heads, num_head_channels,
+                               depth=transformer_depth[-1], context_dim=context_dim,
+                               use_linear=use_linear_in_transformer,
+                               use_checkpoint=use_checkpoint,
+                               dtype=dtype, device=device, operations=operations),
+            ResBlock(ch, time_embed_dim, 0, dtype=dtype, device=device, operations=operations),
+        )
+
+        self.input_hint_block = TimestepEmbedSequential(
+            operations.Conv2d(in_channels, model_channels, 3, padding=1, dtype=dtype, device=device)
+        )
+
+    def forward(self, x, timesteps, xt, context=None, y=None, **kwargs):
+        t_emb = timestep_embedding(timesteps, self.model_channels, repeat_only=False).to(x.dtype)
+        emb = self.time_embed(t_emb) + self.label_emb(y)
+
+        guided_hint = self.input_hint_block(x, emb, context)
+
+        hs = []
+        h = xt
+        for module in self.input_blocks:
+            if guided_hint is not None:
+                h = module(h, emb, context)
+                h += guided_hint
+                guided_hint = None
+            else:
+                h = module(h, emb, context)
+            hs.append(h)
+        h = self.middle_block(h, emb, context)
+        hs.append(h)
+        return hs
+
+
+class SUPIR(nn.Module):
+    """
+    SUPIR model containing GLVControl (control encoder) and project_modules (adapters).
+    State dict keys match the original SUPIR checkpoint layout:
+      control_model.*           -> GLVControl
+      project_modules.*         -> nn.ModuleList of ZeroSFT/ZeroCrossAttn
+    """
+    def __init__(self, device=None, dtype=None, operations=None):
+        super().__init__()
+
+        self.control_model = GLVControl(dtype=dtype, device=device, operations=operations)
+
+        project_channel_scale = 2
+        cond_output_channels = [320] * 4 + [640] * 3 + [1280] * 3
+        project_channels = [int(c * project_channel_scale) for c in [160] * 4 + [320] * 3 + [640] * 3]
+        concat_channels = [320] * 2 + [640] * 3 + [1280] * 4 + [0]
+        cross_attn_insert_idx = [6, 3]
+
+        self.project_modules = nn.ModuleList()
+        for i in range(len(cond_output_channels)):
+            self.project_modules.append(ZeroSFT(
+                project_channels[i], cond_output_channels[i],
+                concat_channels=concat_channels[i],
+                dtype=dtype, device=device, operations=operations,
+            ))
+
+        for i in cross_attn_insert_idx:
+            self.project_modules.insert(i, ZeroCrossAttn(
+                cond_output_channels[i], concat_channels[i],
+                dtype=dtype, device=device, operations=operations,
+            ))

comfy/ldm/supir/supir_patch.py

@@ -0,0 +1,103 @@
+import torch
+from comfy.ldm.modules.diffusionmodules.openaimodel import Upsample
+
+
+class SUPIRPatch:
+    """
+    Holds GLVControl (control encoder) + project_modules (ZeroSFT/ZeroCrossAttn adapters).
+    Runs GLVControl lazily on first patch invocation per step, applies adapters through
+    middle_block_after_patch, output_block_merge_patch, and forward_timestep_embed_patch.
+    """
+    SIGMA_MAX = 14.6146
+
+    def __init__(self, model_patch, project_modules, hint_latent, strength_start, strength_end):
+        self.model_patch = model_patch           # CoreModelPatcher wrapping GLVControl
+        self.project_modules = project_modules   # nn.ModuleList of ZeroSFT/ZeroCrossAttn
+        self.hint_latent = hint_latent           # encoded LQ image latent
+        self.strength_start = strength_start
+        self.strength_end = strength_end
+        self.cached_features = None
+        self.adapter_idx = 0
+        self.control_idx = 0
+        self.current_control_idx = 0
+        self.active = True
+
+    def _ensure_features(self, kwargs):
+        """Run GLVControl on first call per step, cache results."""
+        if self.cached_features is not None:
+            return
+        x = kwargs["x"]
+        b = x.shape[0]
+        hint = self.hint_latent.to(device=x.device, dtype=x.dtype)
+        if hint.shape[0] != b:
+            hint = hint.expand(b, -1, -1, -1) if hint.shape[0] == 1 else hint.repeat((b + hint.shape[0] - 1) // hint.shape[0], 1, 1, 1)[:b]
+        self.cached_features = self.model_patch.model.control_model(
+            hint, kwargs["timesteps"], x,
+            kwargs["context"], kwargs["y"]
+        )
+        self.adapter_idx = len(self.project_modules) - 1
+        self.control_idx = len(self.cached_features) - 1
+
+    def _get_control_scale(self, kwargs):
+        if self.strength_start == self.strength_end:
+            return self.strength_end
+        sigma = kwargs["transformer_options"].get("sigmas")
+        if sigma is None:
+            return self.strength_end
+        s = sigma[0].item() if sigma.dim() > 0 else sigma.item()
+        t = min(s / self.SIGMA_MAX, 1.0)
+        return t * (self.strength_start - self.strength_end) + self.strength_end
+
+    def middle_after(self, kwargs):
+        """middle_block_after_patch: run GLVControl lazily, apply last adapter after middle block."""
+        self.cached_features = None  # reset from previous step
+        self.current_scale = self._get_control_scale(kwargs)
+        self.active = self.current_scale > 0
+        if not self.active:
+            return {"h": kwargs["h"]}
+        self._ensure_features(kwargs)
+        h = kwargs["h"]
+        h = self.project_modules[self.adapter_idx](
+            self.cached_features[self.control_idx], h, control_scale=self.current_scale
+        )
+        self.adapter_idx -= 1
+        self.control_idx -= 1
+        return {"h": h}
+
+    def output_block(self, h, hsp, transformer_options):
+        """output_block_patch: ZeroSFT adapter fusion replaces cat([h, hsp]). Returns (h, None) to skip cat."""
+        if not self.active:
+            return h, hsp
+        self.current_control_idx = self.control_idx
+        h = self.project_modules[self.adapter_idx](
+            self.cached_features[self.control_idx], hsp, h, control_scale=self.current_scale
+        )
+        self.adapter_idx -= 1
+        self.control_idx -= 1
+        return h, None
+
+    def pre_upsample(self, layer, x, emb, context, transformer_options, output_shape, *args, **kw):
+        """forward_timestep_embed_patch for Upsample: extra cross-attn adapter before upsample."""
+        block_type, _ = transformer_options["block"]
+        if block_type == "output" and self.active and self.cached_features is not None:
+            x = self.project_modules[self.adapter_idx](
+                self.cached_features[self.current_control_idx], x, control_scale=self.current_scale
+            )
+            self.adapter_idx -= 1
+        return layer(x, output_shape=output_shape)
+
+    def to(self, device_or_dtype):
+        if isinstance(device_or_dtype, torch.device):
+            self.cached_features = None
+            if self.hint_latent is not None:
+                self.hint_latent = self.hint_latent.to(device_or_dtype)
+        return self
+
+    def models(self):
+        return [self.model_patch]
+
+    def register(self, model_patcher):
+        """Register all patches on a cloned model patcher."""
+        model_patcher.set_model_patch(self.middle_after, "middle_block_after_patch")
+        model_patcher.set_model_output_block_patch(self.output_block)
+        model_patcher.set_model_patch((Upsample, self.pre_upsample), "forward_timestep_embed_patch")

comfy/model_base.py

@@ -53,6 +53,8 @@ import comfy.ldm.kandinsky5.model
 import comfy.ldm.anima.model
 import comfy.ldm.ace.ace_step15
 import comfy.ldm.rt_detr.rtdetr_v4
+import comfy.ldm.ernie.model
+import comfy.ldm.sam3.detector
 
 import comfy.model_management
 import comfy.patcher_extension
@@ -577,8 +579,8 @@ class Stable_Zero123(BaseModel):
     def __init__(self, model_config, model_type=ModelType.EPS, device=None, cc_projection_weight=None, cc_projection_bias=None):
         super().__init__(model_config, model_type, device=device)
         self.cc_projection = comfy.ops.manual_cast.Linear(cc_projection_weight.shape[1], cc_projection_weight.shape[0], dtype=self.get_dtype(), device=device)
-        self.cc_projection.weight.copy_(cc_projection_weight)
-        self.cc_projection.bias.copy_(cc_projection_bias)
+        self.cc_projection.weight = torch.nn.Parameter(cc_projection_weight.clone())
+        self.cc_projection.bias = torch.nn.Parameter(cc_projection_bias.clone())
 
     def extra_conds(self, **kwargs):
         out = {}
@@ -1962,3 +1964,18 @@ class Kandinsky5Image(Kandinsky5):
 class RT_DETR_v4(BaseModel):
     def __init__(self, model_config, model_type=ModelType.FLOW, device=None):
         super().__init__(model_config, model_type, device=device, unet_model=comfy.ldm.rt_detr.rtdetr_v4.RTv4)
+
+class ErnieImage(BaseModel):
+    def __init__(self, model_config, model_type=ModelType.FLOW, device=None):
+        super().__init__(model_config, model_type, device=device, unet_model=comfy.ldm.ernie.model.ErnieImageModel)
+
+    def extra_conds(self, **kwargs):
+        out = super().extra_conds(**kwargs)
+        cross_attn = kwargs.get("cross_attn", None)
+        if cross_attn is not None:
+            out['c_crossattn'] = comfy.conds.CONDRegular(cross_attn)
+        return out
+
+class SAM3(BaseModel):
+    def __init__(self, model_config, model_type=ModelType.FLOW, device=None):
+        super().__init__(model_config, model_type, device=device, unet_model=comfy.ldm.sam3.detector.SAM3Model)

comfy/model_detection.py

@@ -713,6 +713,19 @@ def detect_unet_config(state_dict, key_prefix, metadata=None):
         dit_config["enc_h"] = state_dict['{}encoder.pan_blocks.1.cv4.conv.weight'.format(key_prefix)].shape[0]
         return dit_config
 
+    if '{}layers.0.mlp.linear_fc2.weight'.format(key_prefix) in state_dict_keys: # Ernie Image
+        dit_config = {}
+        dit_config["image_model"] = "ernie"
+        return dit_config
+
+    if 'detector.backbone.vision_backbone.trunk.blocks.0.attn.qkv.weight' in state_dict_keys: # SAM3 / SAM3.1
+        if 'detector.transformer.decoder.query_embed.weight' in state_dict_keys:
+            dit_config = {}
+            dit_config["image_model"] = "SAM3"
+            if 'detector.backbone.vision_backbone.propagation_convs.0.conv_1x1.weight' in state_dict_keys:
+                dit_config["image_model"] = "SAM31"
+            return dit_config
+
     if '{}input_blocks.0.0.weight'.format(key_prefix) not in state_dict_keys:
         return None
 
@@ -868,6 +881,10 @@ def model_config_from_unet(state_dict, unet_key_prefix, use_base_if_no_match=Fal
     return model_config
 
 def unet_prefix_from_state_dict(state_dict):
+    # SAM3: detector.* and tracker.* at top level, no common prefix
+    if any(k.startswith("detector.") for k in state_dict) and any(k.startswith("tracker.") for k in state_dict):
+        return ""
+
     candidates = ["model.diffusion_model.", #ldm/sgm models
                   "model.model.", #audio models
                   "net.", #cosmos

comfy/model_management.py

@@ -1732,6 +1732,21 @@ def supports_mxfp8_compute(device=None):
 
     return True
 
+def supports_fp64(device=None):
+    if is_device_mps(device):
+        return False
+
+    if is_intel_xpu():
+        return False
+
+    if is_directml_enabled():
+        return False
+
+    if is_ixuca():
+        return False
+
+    return True
+
 def extended_fp16_support():
     # TODO: check why some models work with fp16 on newer torch versions but not on older
     if torch_version_numeric < (2, 7):
@@ -1786,7 +1801,7 @@ def debug_memory_summary():
         return torch.cuda.memory.memory_summary()
     return ""
 
-class InterruptProcessingException(Exception):
+class InterruptProcessingException(BaseException):
     pass
 
 interrupt_processing_mutex = threading.RLock()

comfy/model_patcher.py

@@ -506,6 +506,10 @@ class ModelPatcher:
     def set_model_noise_refiner_patch(self, patch):
         self.set_model_patch(patch, "noise_refiner")
 
+    def set_model_middle_block_after_patch(self, patch):
+        self.set_model_patch(patch, "middle_block_after_patch")
+
+
     def set_model_rope_options(self, scale_x, shift_x, scale_y, shift_y, scale_t, shift_t, **kwargs):
         rope_options = self.model_options["transformer_options"].get("rope_options", {})
         rope_options["scale_x"] = scale_x
@@ -681,9 +685,9 @@ class ModelPatcher:
                         sd.pop(k)
             return sd
 
-    def patch_weight_to_device(self, key, device_to=None, inplace_update=False, return_weight=False):
+    def patch_weight_to_device(self, key, device_to=None, inplace_update=False, return_weight=False, force_cast=False):
         weight, set_func, convert_func = get_key_weight(self.model, key)
-        if key not in self.patches:
+        if key not in self.patches and not force_cast:
             return weight
 
         inplace_update = self.weight_inplace_update or inplace_update
@@ -691,7 +695,7 @@ class ModelPatcher:
         if key not in self.backup and not return_weight:
             self.backup[key] = collections.namedtuple('Dimension', ['weight', 'inplace_update'])(weight.to(device=self.offload_device, copy=inplace_update), inplace_update)
 
-        temp_dtype = comfy.model_management.lora_compute_dtype(device_to)
+        temp_dtype = comfy.model_management.lora_compute_dtype(device_to) if key in self.patches else None
         if device_to is not None:
             temp_weight = comfy.model_management.cast_to_device(weight, device_to, temp_dtype, copy=True)
         else:
@@ -699,9 +703,10 @@ class ModelPatcher:
         if convert_func is not None:
             temp_weight = convert_func(temp_weight, inplace=True)
 
-        out_weight = comfy.lora.calculate_weight(self.patches[key], temp_weight, key)
+        out_weight = comfy.lora.calculate_weight(self.patches[key], temp_weight, key) if key in self.patches else temp_weight
         if set_func is None:
-            out_weight = comfy.float.stochastic_rounding(out_weight, weight.dtype, seed=comfy.utils.string_to_seed(key))
+            if key in self.patches:
+                out_weight = comfy.float.stochastic_rounding(out_weight, weight.dtype, seed=comfy.utils.string_to_seed(key))
             if return_weight:
                 return out_weight
             elif inplace_update:
@@ -1580,7 +1585,7 @@ class ModelPatcherDynamic(ModelPatcher):
                     key = key_param_name_to_key(n, param_key)
                     if key in self.backup:
                         comfy.utils.set_attr_param(self.model, key, self.backup[key].weight)
-                    self.patch_weight_to_device(key, device_to=device_to)
+                    self.patch_weight_to_device(key, device_to=device_to, force_cast=True)
                     weight, _, _ = get_key_weight(self.model, key)
                     if weight is not None:
                         self.model.model_loaded_weight_memory += weight.numel() * weight.element_size()
@@ -1605,6 +1610,10 @@ class ModelPatcherDynamic(ModelPatcher):
                             m._v = vbar.alloc(v_weight_size)
                         allocated_size += v_weight_size
 
+                    for param in params:
+                        if param not in ("weight", "bias"):
+                            force_load_param(self, param, device_to)
+
                 else:
                     for param in params:
                         key = key_param_name_to_key(n, param)

comfy/ops.py

@@ -1151,7 +1151,7 @@ def mixed_precision_ops(quant_config={}, compute_dtype=torch.bfloat16, full_prec
                     if param is None:
                         continue
                     p = fn(param)
-                    if p.is_inference():
+                    if (not torch.is_inference_mode_enabled()) and p.is_inference():
                         p = p.clone()
                     self.register_parameter(key, torch.nn.Parameter(p, requires_grad=False))
                 for key, buf in self._buffers.items():

comfy/sd.py

@@ -12,6 +12,7 @@ from .ldm.cascade.stage_c_coder import StageC_coder
 from .ldm.audio.autoencoder import AudioOobleckVAE
 import comfy.ldm.genmo.vae.model
 import comfy.ldm.lightricks.vae.causal_video_autoencoder
+import comfy.ldm.lightricks.vae.audio_vae
 import comfy.ldm.cosmos.vae
 import comfy.ldm.wan.vae
 import comfy.ldm.wan.vae2_2
@@ -62,6 +63,7 @@ import comfy.text_encoders.anima
 import comfy.text_encoders.ace15
 import comfy.text_encoders.longcat_image
 import comfy.text_encoders.qwen35
+import comfy.text_encoders.ernie
 
 import comfy.model_patcher
 import comfy.lora
@@ -804,6 +806,24 @@ class VAE:
                     self.downscale_index_formula = (4, 8, 8)
                     self.memory_used_encode = lambda shape, dtype: (700 * (max(1, (shape[-3] ** 0.66 * 0.11)) * shape[-2] * shape[-1]) * model_management.dtype_size(dtype))
                     self.memory_used_decode = lambda shape, dtype: (50 * (max(1, (shape[-3] ** 0.65 * 0.26)) * shape[-2] * shape[-1] * 32 * 32) * model_management.dtype_size(dtype))
+            elif "vocoder.resblocks.0.convs1.0.weight" in sd or "vocoder.vocoder.resblocks.0.convs1.0.weight" in sd: # LTX Audio
+                sd = comfy.utils.state_dict_prefix_replace(sd, {"audio_vae.": "autoencoder."})
+                self.first_stage_model = comfy.ldm.lightricks.vae.audio_vae.AudioVAE(metadata=metadata)
+                self.memory_used_encode = lambda shape, dtype: (shape[2] * 330) * model_management.dtype_size(dtype)
+                self.memory_used_decode = lambda shape, dtype: (shape[2] * shape[3] * 87000) * model_management.dtype_size(dtype)
+                self.latent_channels = self.first_stage_model.latent_channels
+                self.audio_sample_rate_output = self.first_stage_model.output_sample_rate
+                self.autoencoder = self.first_stage_model.autoencoder  # TODO: remove hack for ltxv custom nodes
+                self.output_channels = 2
+                self.pad_channel_value = "replicate"
+                self.upscale_ratio = 4096
+                self.downscale_ratio = 4096
+                self.latent_dim = 2
+                self.process_output = lambda audio: audio
+                self.process_input = lambda audio: audio
+                self.working_dtypes = [torch.float32]
+                self.disable_offload = True
+                self.extra_1d_channel = 16
             else:
                 logging.warning("WARNING: No VAE weights detected, VAE not initalized.")
                 self.first_stage_model = None
@@ -1235,6 +1255,7 @@ class TEModel(Enum):
     QWEN35_4B = 25
     QWEN35_9B = 26
     QWEN35_27B = 27
+    MINISTRAL_3_3B = 28
 
 
 def detect_te_model(sd):
@@ -1301,6 +1322,8 @@ def detect_te_model(sd):
                 return TEModel.MISTRAL3_24B
             else:
                 return TEModel.MISTRAL3_24B_PRUNED_FLUX2
+        if weight.shape[0] == 3072:
+            return TEModel.MINISTRAL_3_3B
 
         return TEModel.LLAMA3_8
     return None
@@ -1458,6 +1481,10 @@ def load_text_encoder_state_dicts(state_dicts=[], embedding_directory=None, clip
         elif te_model == TEModel.QWEN3_06B:
             clip_target.clip = comfy.text_encoders.anima.te(**llama_detect(clip_data))
             clip_target.tokenizer = comfy.text_encoders.anima.AnimaTokenizer
+        elif te_model == TEModel.MINISTRAL_3_3B:
+            clip_target.clip = comfy.text_encoders.ernie.te(**llama_detect(clip_data))
+            clip_target.tokenizer = comfy.text_encoders.ernie.ErnieTokenizer
+            tokenizer_data["tekken_model"] = clip_data[0].get("tekken_model", None)
         else:
             # clip_l
             if clip_type == CLIPType.SD3:

comfy/supported_models.py

@@ -26,6 +26,7 @@ import comfy.text_encoders.z_image
 import comfy.text_encoders.anima
 import comfy.text_encoders.ace15
 import comfy.text_encoders.longcat_image
+import comfy.text_encoders.ernie
 
 from . import supported_models_base
 from . import latent_formats
@@ -1749,6 +1750,88 @@ class RT_DETR_v4(supported_models_base.BASE):
     def clip_target(self, state_dict={}):
         return None
 
-models = [LotusD, Stable_Zero123, SD15_instructpix2pix, SD15, SD20, SD21UnclipL, SD21UnclipH, SDXL_instructpix2pix, SDXLRefiner, SDXL, SSD1B, KOALA_700M, KOALA_1B, Segmind_Vega, SD_X4Upscaler, Stable_Cascade_C, Stable_Cascade_B, SV3D_u, SV3D_p, SD3, StableAudio, AuraFlow, PixArtAlpha, PixArtSigma, HunyuanDiT, HunyuanDiT1, FluxInpaint, Flux, LongCatImage, FluxSchnell, GenmoMochi, LTXV, LTXAV, HunyuanVideo15_SR_Distilled, HunyuanVideo15, HunyuanImage21Refiner, HunyuanImage21, HunyuanVideoSkyreelsI2V, HunyuanVideoI2V, HunyuanVideo, CosmosT2V, CosmosI2V, CosmosT2IPredict2, CosmosI2VPredict2, ZImagePixelSpace, ZImage, Lumina2, WAN22_T2V, WAN21_T2V, WAN21_I2V, WAN21_FunControl2V, WAN21_Vace, WAN21_Camera, WAN22_Camera, WAN22_S2V, WAN21_HuMo, WAN22_Animate, WAN21_FlowRVS, WAN21_SCAIL, Hunyuan3Dv2mini, Hunyuan3Dv2, Hunyuan3Dv2_1, HiDream, Chroma, ChromaRadiance, ACEStep, ACEStep15, Omnigen2, QwenImage, Flux2, Kandinsky5Image, Kandinsky5, Anima, RT_DETR_v4]
+
+class ErnieImage(supported_models_base.BASE):
+    unet_config = {
+        "image_model": "ernie",
+    }
+
+    sampling_settings = {
+        "multiplier": 1000.0,
+        "shift": 3.0,
+    }
+
+    memory_usage_factor = 10.0
+
+    unet_extra_config = {}
+    latent_format = latent_formats.Flux2
+
+    supported_inference_dtypes = [torch.bfloat16, torch.float32]
+
+    vae_key_prefix = ["vae."]
+    text_encoder_key_prefix = ["text_encoders."]
+
+    def get_model(self, state_dict, prefix="", device=None):
+        out = model_base.ErnieImage(self, device=device)
+        return out
+
+    def clip_target(self, state_dict={}):
+        pref = self.text_encoder_key_prefix[0]
+        hunyuan_detect = comfy.text_encoders.hunyuan_video.llama_detect(state_dict, "{}ministral3_3b.transformer.".format(pref))
+        return supported_models_base.ClipTarget(comfy.text_encoders.ernie.ErnieTokenizer, comfy.text_encoders.ernie.te(**hunyuan_detect))
+
+
+class SAM3(supported_models_base.BASE):
+    unet_config = {"image_model": "SAM3"}
+    supported_inference_dtypes = [torch.float16, torch.bfloat16, torch.float32]
+    text_encoder_key_prefix = ["detector.backbone.language_backbone."]
+    unet_extra_prefix = ""
+
+    def process_clip_state_dict(self, state_dict):
+        clip_keys = getattr(self, "_clip_stash", {})
+        clip_keys = utils.state_dict_prefix_replace(clip_keys, {"detector.backbone.language_backbone.": "", "backbone.language_backbone.": ""}, filter_keys=True)
+        clip_keys = utils.clip_text_transformers_convert(clip_keys, "encoder.", "sam3_clip.transformer.")
+        return {k: v for k, v in clip_keys.items() if not k.startswith("resizer.")}
+
+    def process_unet_state_dict(self, state_dict):
+        self._clip_stash = {k: state_dict.pop(k) for k in list(state_dict.keys()) if "language_backbone" in k and "resizer" not in k}
+        # SAM3.1: remap tracker.model.* -> tracker.*
+        for k in list(state_dict.keys()):
+            if k.startswith("tracker.model."):
+                state_dict["tracker." + k[len("tracker.model."):]] = state_dict.pop(k)
+        # SAM3.1: remove per-block freqs_cis buffers (computed dynamically)
+        for k in [k for k in list(state_dict.keys()) if ".attn.freqs_cis" in k]:
+            state_dict.pop(k)
+        # Split fused QKV projections
+        for k in [k for k in list(state_dict.keys()) if k.endswith((".in_proj_weight", ".in_proj_bias"))]:
+            t = state_dict.pop(k)
+            base, suffix = k.rsplit(".in_proj_", 1)
+            s = ".weight" if suffix == "weight" else ".bias"
+            d = t.shape[0] // 3
+            state_dict[base + ".q_proj" + s] = t[:d]
+            state_dict[base + ".k_proj" + s] = t[d:2*d]
+            state_dict[base + ".v_proj" + s] = t[2*d:]
+        # Remap tracker SAM decoder transformer key names to match sam.py TwoWayTransformer
+        for k in list(state_dict.keys()):
+            if "sam_mask_decoder.transformer." not in k:
+                continue
+            new_k = k.replace(".mlp.lin1.", ".mlp.0.").replace(".mlp.lin2.", ".mlp.2.").replace(".norm_final_attn.", ".norm_final.")
+            if new_k != k:
+                state_dict[new_k] = state_dict.pop(k)
+        return state_dict
+
+    def get_model(self, state_dict, prefix="", device=None):
+        return model_base.SAM3(self, device=device)
+
+    def clip_target(self, state_dict={}):
+        import comfy.text_encoders.sam3_clip
+        return supported_models_base.ClipTarget(comfy.text_encoders.sam3_clip.SAM3TokenizerWrapper, comfy.text_encoders.sam3_clip.SAM3ClipModelWrapper)
+
+
+class SAM31(SAM3):
+    unet_config = {"image_model": "SAM31"}
+
+
+models = [LotusD, Stable_Zero123, SD15_instructpix2pix, SD15, SD20, SD21UnclipL, SD21UnclipH, SDXL_instructpix2pix, SDXLRefiner, SDXL, SSD1B, KOALA_700M, KOALA_1B, Segmind_Vega, SD_X4Upscaler, Stable_Cascade_C, Stable_Cascade_B, SV3D_u, SV3D_p, SD3, StableAudio, AuraFlow, PixArtAlpha, PixArtSigma, HunyuanDiT, HunyuanDiT1, FluxInpaint, Flux, LongCatImage, FluxSchnell, GenmoMochi, LTXV, LTXAV, HunyuanVideo15_SR_Distilled, HunyuanVideo15, HunyuanImage21Refiner, HunyuanImage21, HunyuanVideoSkyreelsI2V, HunyuanVideoI2V, HunyuanVideo, CosmosT2V, CosmosI2V, CosmosT2IPredict2, CosmosI2VPredict2, ZImagePixelSpace, ZImage, Lumina2, WAN22_T2V, WAN21_T2V, WAN21_I2V, WAN21_FunControl2V, WAN21_Vace, WAN21_Camera, WAN22_Camera, WAN22_S2V, WAN21_HuMo, WAN22_Animate, WAN21_FlowRVS, WAN21_SCAIL, Hunyuan3Dv2mini, Hunyuan3Dv2, Hunyuan3Dv2_1, HiDream, Chroma, ChromaRadiance, ACEStep, ACEStep15, Omnigen2, QwenImage, Flux2, Kandinsky5Image, Kandinsky5, Anima, RT_DETR_v4, ErnieImage, SAM3, SAM31]
 
 models += [SVD_img2vid]

comfy/text_encoders/ernie.py

@@ -0,0 +1,38 @@
+from .flux import Mistral3Tokenizer
+from comfy import sd1_clip
+import comfy.text_encoders.llama
+
+class Ministral3_3BTokenizer(Mistral3Tokenizer):
+    def __init__(self, embedding_directory=None, embedding_size=5120, embedding_key='ministral3_3b', tokenizer_data={}):
+        return super().__init__(embedding_directory=embedding_directory, embedding_size=embedding_size, embedding_key=embedding_key, tokenizer_data=tokenizer_data)
+
+class ErnieTokenizer(sd1_clip.SD1Tokenizer):
+    def __init__(self, embedding_directory=None, tokenizer_data={}):
+        super().__init__(embedding_directory=embedding_directory, tokenizer_data=tokenizer_data, name="ministral3_3b", tokenizer=Mistral3Tokenizer)
+
+    def tokenize_with_weights(self, text, return_word_ids=False, llama_template=None, **kwargs):
+        tokens = super().tokenize_with_weights(text, return_word_ids=return_word_ids, disable_weights=True, **kwargs)
+        return tokens
+
+
+class Ministral3_3BModel(sd1_clip.SDClipModel):
+    def __init__(self, device="cpu", layer="hidden", layer_idx=-2, dtype=None, attention_mask=True, model_options={}):
+        textmodel_json_config = {}
+        super().__init__(device=device, layer=layer, layer_idx=layer_idx, textmodel_json_config=textmodel_json_config, dtype=dtype, special_tokens={"start": 1, "pad": 0}, layer_norm_hidden_state=False, model_class=comfy.text_encoders.llama.Ministral3_3B, enable_attention_masks=attention_mask, return_attention_masks=attention_mask, model_options=model_options)
+
+
+class ErnieTEModel(sd1_clip.SD1ClipModel):
+    def __init__(self, device="cpu", dtype=None, model_options={}, name="ministral3_3b", clip_model=Ministral3_3BModel):
+        super().__init__(device=device, dtype=dtype, name=name, clip_model=clip_model, model_options=model_options)
+
+
+def te(dtype_llama=None, llama_quantization_metadata=None):
+    class ErnieTEModel_(ErnieTEModel):
+        def __init__(self, device="cpu", dtype=None, model_options={}):
+            if dtype_llama is not None:
+                dtype = dtype_llama
+            if llama_quantization_metadata is not None:
+                model_options = model_options.copy()
+                model_options["quantization_metadata"] = llama_quantization_metadata
+            super().__init__(device=device, dtype=dtype, model_options=model_options)
+    return ErnieTEModel_

comfy/text_encoders/flux.py

@@ -116,9 +116,9 @@ class MistralTokenizerClass:
         return LlamaTokenizerFast(**kwargs)
 
 class Mistral3Tokenizer(sd1_clip.SDTokenizer):
-    def __init__(self, embedding_directory=None, tokenizer_data={}):
+    def __init__(self, embedding_directory=None, embedding_size=5120, embedding_key='mistral3_24b', tokenizer_data={}):
         self.tekken_data = tokenizer_data.get("tekken_model", None)
-        super().__init__("", pad_with_end=False, embedding_directory=embedding_directory, embedding_size=5120, embedding_key='mistral3_24b', tokenizer_class=MistralTokenizerClass, has_end_token=False, pad_to_max_length=False, pad_token=11, start_token=1, max_length=99999999, min_length=1, pad_left=True, tokenizer_args=load_mistral_tokenizer(self.tekken_data), tokenizer_data=tokenizer_data)
+        super().__init__("", pad_with_end=False, embedding_directory=embedding_directory, embedding_size=embedding_size, embedding_key=embedding_key, tokenizer_class=MistralTokenizerClass, has_end_token=False, pad_to_max_length=False, pad_token=11, start_token=1, max_length=99999999, min_length=1, pad_left=True, disable_weights=True, tokenizer_args=load_mistral_tokenizer(self.tekken_data), tokenizer_data=tokenizer_data)
 
     def state_dict(self):
         return {"tekken_model": self.tekken_data}

comfy/text_encoders/llama.py

@@ -60,6 +60,30 @@ class Mistral3Small24BConfig:
     final_norm: bool = True
     lm_head: bool = False
 
+@dataclass
+class Ministral3_3BConfig:
+    vocab_size: int = 131072
+    hidden_size: int = 3072
+    intermediate_size: int = 9216
+    num_hidden_layers: int = 26
+    num_attention_heads: int = 32
+    num_key_value_heads: int = 8
+    max_position_embeddings: int = 262144
+    rms_norm_eps: float = 1e-5
+    rope_theta: float = 1000000.0
+    transformer_type: str = "llama"
+    head_dim = 128
+    rms_norm_add = False
+    mlp_activation = "silu"
+    qkv_bias = False
+    rope_dims = None
+    q_norm = None
+    k_norm = None
+    rope_scale = None
+    final_norm: bool = True
+    lm_head: bool = False
+    stop_tokens = [2]
+
 @dataclass
 class Qwen25_3BConfig:
     vocab_size: int = 151936
@@ -946,6 +970,15 @@ class Mistral3Small24B(BaseLlama, torch.nn.Module):
         self.model = Llama2_(config, device=device, dtype=dtype, ops=operations)
         self.dtype = dtype
 
+class Ministral3_3B(BaseLlama, BaseQwen3, BaseGenerate, torch.nn.Module):
+    def __init__(self, config_dict, dtype, device, operations):
+        super().__init__()
+        config = Ministral3_3BConfig(**config_dict)
+        self.num_layers = config.num_hidden_layers
+
+        self.model = Llama2_(config, device=device, dtype=dtype, ops=operations)
+        self.dtype = dtype
+
 class Qwen25_3B(BaseLlama, torch.nn.Module):
     def __init__(self, config_dict, dtype, device, operations):
         super().__init__()

comfy/text_encoders/sam3_clip.py

@@ -0,0 +1,97 @@
+import re
+from comfy import sd1_clip
+
+SAM3_CLIP_CONFIG = {
+    "architectures": ["CLIPTextModel"],
+    "hidden_act": "quick_gelu",
+    "hidden_size": 1024,
+    "intermediate_size": 4096,
+    "num_attention_heads": 16,
+    "num_hidden_layers": 24,
+    "max_position_embeddings": 32,
+    "projection_dim": 512,
+    "vocab_size": 49408,
+    "layer_norm_eps": 1e-5,
+    "eos_token_id": 49407,
+}
+
+
+class SAM3ClipModel(sd1_clip.SDClipModel):
+    def __init__(self, device="cpu", dtype=None, model_options={}):
+        super().__init__(device=device, dtype=dtype, max_length=32, layer="last", textmodel_json_config=SAM3_CLIP_CONFIG, special_tokens={"start": 49406, "end": 49407, "pad": 0}, return_projected_pooled=False, return_attention_masks=True, enable_attention_masks=True, model_options=model_options)
+
+
+class SAM3Tokenizer(sd1_clip.SDTokenizer):
+    def __init__(self, embedding_directory=None, tokenizer_data={}):
+        super().__init__(max_length=32, pad_with_end=False, pad_token=0, embedding_directory=embedding_directory, embedding_size=1024, embedding_key="sam3_clip", tokenizer_data=tokenizer_data)
+        self.disable_weights = True
+
+
+def _parse_prompts(text):
+    """Split comma-separated prompts with optional :N max detections per category"""
+    text = text.replace("(", "").replace(")", "")
+    parts = [p.strip() for p in text.split(",") if p.strip()]
+    result = []
+    for part in parts:
+        m = re.match(r'^(.+?)\s*:\s*([\d.]+)\s*$', part)
+        if m:
+            text_part = m.group(1).strip()
+            val = m.group(2)
+            max_det = max(1, round(float(val)))
+            result.append((text_part, max_det))
+        else:
+            result.append((part, 1))
+    return result
+
+
+class SAM3TokenizerWrapper(sd1_clip.SD1Tokenizer):
+    def __init__(self, embedding_directory=None, tokenizer_data={}):
+        super().__init__(embedding_directory=embedding_directory, tokenizer_data=tokenizer_data, clip_name="l", tokenizer=SAM3Tokenizer, name="sam3_clip")
+
+    def tokenize_with_weights(self, text: str, return_word_ids=False, **kwargs):
+        parsed = _parse_prompts(text)
+        if len(parsed) <= 1 and (not parsed or parsed[0][1] == 1):
+            return super().tokenize_with_weights(text, return_word_ids, **kwargs)
+        # Tokenize each prompt part separately, store per-part batches and metadata
+        inner = getattr(self, self.clip)
+        per_prompt = []
+        for prompt_text, max_det in parsed:
+            batches = inner.tokenize_with_weights(prompt_text, return_word_ids, **kwargs)
+            per_prompt.append((batches, max_det))
+        # Main output uses first prompt's tokens (for compatibility)
+        out = {self.clip_name: per_prompt[0][0], "sam3_per_prompt": per_prompt}
+        return out
+
+
+class SAM3ClipModelWrapper(sd1_clip.SD1ClipModel):
+    def __init__(self, device="cpu", dtype=None, model_options={}, **kwargs):
+        super().__init__(device=device, dtype=dtype, model_options=model_options, clip_name="l", clip_model=SAM3ClipModel, name="sam3_clip")
+
+    def encode_token_weights(self, token_weight_pairs):
+        per_prompt = token_weight_pairs.pop("sam3_per_prompt", None)
+        if per_prompt is None:
+            return super().encode_token_weights(token_weight_pairs)
+
+        # Encode each prompt separately, pack into extra dict
+        inner = getattr(self, self.clip)
+        multi_cond = []
+        first_pooled = None
+        for batches, max_det in per_prompt:
+            out = inner.encode_token_weights(batches)
+            cond, pooled = out[0], out[1]
+            extra = out[2] if len(out) > 2 else {}
+            if first_pooled is None:
+                first_pooled = pooled
+            multi_cond.append({
+                "cond": cond,
+                "attention_mask": extra.get("attention_mask"),
+                "max_detections": max_det,
+            })
+
+        # Return first prompt as main (for non-SAM3 consumers), all prompts in metadata
+        main = multi_cond[0]
+        main_extra = {}
+        if main["attention_mask"] is not None:
+            main_extra["attention_mask"] = main["attention_mask"]
+        main_extra["sam3_multi_cond"] = multi_cond
+        return (main["cond"], first_pooled, main_extra)

comfy_api_nodes/apis/bytedance.py

@@ -52,6 +52,26 @@ class TaskImageContent(BaseModel):
     role: Literal["first_frame", "last_frame", "reference_image"] | None = Field(None)
 
 
+class TaskVideoContentUrl(BaseModel):
+    url: str = Field(...)
+
+
+class TaskVideoContent(BaseModel):
+    type: str = Field("video_url")
+    video_url: TaskVideoContentUrl = Field(...)
+    role: str = Field("reference_video")
+
+
+class TaskAudioContentUrl(BaseModel):
+    url: str = Field(...)
+
+
+class TaskAudioContent(BaseModel):
+    type: str = Field("audio_url")
+    audio_url: TaskAudioContentUrl = Field(...)
+    role: str = Field("reference_audio")
+
+
 class Text2VideoTaskCreationRequest(BaseModel):
     model: str = Field(...)
     content: list[TaskTextContent] = Field(..., min_length=1)
@@ -64,6 +84,17 @@ class Image2VideoTaskCreationRequest(BaseModel):
     generate_audio: bool | None = Field(...)
 
 
+class Seedance2TaskCreationRequest(BaseModel):
+    model: str = Field(...)
+    content: list[TaskTextContent | TaskImageContent | TaskVideoContent | TaskAudioContent] = Field(..., min_length=1)
+    generate_audio: bool | None = Field(None)
+    resolution: str | None = Field(None)
+    ratio: str | None = Field(None)
+    duration: int | None = Field(None, ge=4, le=15)
+    seed: int | None = Field(None, ge=0, le=2147483647)
+    watermark: bool | None = Field(None)
+
+
 class TaskCreationResponse(BaseModel):
     id: str = Field(...)
 
@@ -77,12 +108,62 @@ class TaskStatusResult(BaseModel):
     video_url: str = Field(...)
 
 
+class TaskStatusUsage(BaseModel):
+    completion_tokens: int = Field(0)
+    total_tokens: int = Field(0)
+
+
 class TaskStatusResponse(BaseModel):
     id: str = Field(...)
     model: str = Field(...)
     status: Literal["queued", "running", "cancelled", "succeeded", "failed"] = Field(...)
     error: TaskStatusError | None = Field(None)
     content: TaskStatusResult | None = Field(None)
+    usage: TaskStatusUsage | None = Field(None)
+
+
+class GetAssetResponse(BaseModel):
+    id: str = Field(...)
+    name: str | None = Field(None)
+    url: str | None = Field(None)
+    asset_type: str = Field(...)
+    group_id: str = Field(...)
+    status: str = Field(...)
+    error: TaskStatusError | None = Field(None)
+
+
+class SeedanceCreateVisualValidateSessionResponse(BaseModel):
+    session_id: str = Field(...)
+    h5_link: str = Field(...)
+
+
+class SeedanceGetVisualValidateSessionResponse(BaseModel):
+    session_id: str = Field(...)
+    status: str = Field(...)
+    group_id: str | None = Field(None)
+    error_code: str | None = Field(None)
+    error_message: str | None = Field(None)
+
+
+class SeedanceCreateAssetRequest(BaseModel):
+    group_id: str = Field(...)
+    url: str = Field(...)
+    asset_type: str = Field(...)
+    name: str | None = Field(None, max_length=64)
+    project_name: str | None = Field(None)
+
+
+class SeedanceCreateAssetResponse(BaseModel):
+    asset_id: str = Field(...)
+
+
+# Dollars per 1K tokens, keyed by (model_id, has_video_input).
+SEEDANCE2_PRICE_PER_1K_TOKENS = {
+    ("dreamina-seedance-2-0-260128", False): 0.007,
+    ("dreamina-seedance-2-0-260128", True): 0.0043,
+    ("dreamina-seedance-2-0-fast-260128", False): 0.0056,
+    ("dreamina-seedance-2-0-fast-260128", True): 0.0033,
+}
 
 
 RECOMMENDED_PRESETS = [
@@ -112,6 +193,19 @@ RECOMMENDED_PRESETS_SEEDREAM_4 = [
     ("Custom", None, None),
 ]
 
+# Seedance 2.0 reference video pixel count limits per model and output resolution.
+SEEDANCE2_REF_VIDEO_PIXEL_LIMITS = {
+    "dreamina-seedance-2-0-260128": {
+        "480p": {"min": 409_600, "max": 927_408},
+        "720p": {"min": 409_600, "max": 927_408},
+        "1080p": {"min": 409_600, "max": 2_073_600},
+    },
+    "dreamina-seedance-2-0-fast-260128": {
+        "480p": {"min": 409_600, "max": 927_408},
+        "720p": {"min": 409_600, "max": 927_408},
+    },
+}
+
 # The time in this dictionary are given for 10 seconds duration.
 VIDEO_TASKS_EXECUTION_TIME = {
     "seedance-1-0-lite-t2v-250428": {

comfy_api_nodes/nodes_grok.py

@@ -558,7 +558,7 @@ class GrokVideoReferenceNode(IO.ComfyNode):
                 (
                   $res := $lookup(widgets, "model.resolution");
                   $dur := $lookup(widgets, "model.duration");
-                  $refs := inputGroups["model.reference_images"];
+                  $refs := $lookup(inputGroups, "model.reference_images");
                   $rate := $res = "720p" ? 0.07 : 0.05;
                   $price := ($rate * $dur + 0.002 * $refs) * 1.43;
                   {"type":"usd","usd": $price}

comfy_api_nodes/nodes_hunyuan3d.py

@@ -221,14 +221,17 @@ class TencentTextToModelNode(IO.ComfyNode):
             response_model=To3DProTaskResultResponse,
             status_extractor=lambda r: r.Status,
         )
-        obj_result = await download_and_extract_obj_zip(get_file_from_response(result.ResultFile3Ds, "obj").Url)
+        obj_file_response = get_file_from_response(result.ResultFile3Ds, "obj", raise_if_not_found=False)
+        obj_result = None
+        if obj_file_response:
+            obj_result = await download_and_extract_obj_zip(obj_file_response.Url)
         return IO.NodeOutput(
             f"{task_id}.glb",
             await download_url_to_file_3d(
                 get_file_from_response(result.ResultFile3Ds, "glb").Url, "glb", task_id=task_id
             ),
-            obj_result.obj,
-            obj_result.texture,
+            obj_result.obj if obj_result else None,
+            obj_result.texture if obj_result else None,
         )
 
 
@@ -378,17 +381,30 @@ class TencentImageToModelNode(IO.ComfyNode):
             response_model=To3DProTaskResultResponse,
             status_extractor=lambda r: r.Status,
         )
-        obj_result = await download_and_extract_obj_zip(get_file_from_response(result.ResultFile3Ds, "obj").Url)
+        obj_file_response = get_file_from_response(result.ResultFile3Ds, "obj", raise_if_not_found=False)
+        if obj_file_response:
+            obj_result = await download_and_extract_obj_zip(obj_file_response.Url)
+            return IO.NodeOutput(
+                f"{task_id}.glb",
+                await download_url_to_file_3d(
+                    get_file_from_response(result.ResultFile3Ds, "glb").Url, "glb", task_id=task_id
+                ),
+                obj_result.obj,
+                obj_result.texture,
+                obj_result.metallic if obj_result.metallic is not None else torch.zeros(1, 1, 1, 3),
+                obj_result.normal if obj_result.normal is not None else torch.zeros(1, 1, 1, 3),
+                obj_result.roughness if obj_result.roughness is not None else torch.zeros(1, 1, 1, 3),
+            )
         return IO.NodeOutput(
             f"{task_id}.glb",
             await download_url_to_file_3d(
                 get_file_from_response(result.ResultFile3Ds, "glb").Url, "glb", task_id=task_id
             ),
-            obj_result.obj,
-            obj_result.texture,
-            obj_result.metallic if obj_result.metallic is not None else torch.zeros(1, 1, 1, 3),
-            obj_result.normal if obj_result.normal is not None else torch.zeros(1, 1, 1, 3),
-            obj_result.roughness if obj_result.roughness is not None else torch.zeros(1, 1, 1, 3),
+            None,
+            None,
+            None,
+            None,
+            None,
         )
 
 

comfy_api_nodes/nodes_kling.py

@@ -276,6 +276,7 @@ async def finish_omni_video_task(cls: type[IO.ComfyNode], response: TaskStatusRe
         cls,
         ApiEndpoint(path=f"/proxy/kling/v1/videos/omni-video/{response.data.task_id}"),
         response_model=TaskStatusResponse,
+        max_poll_attempts=280,
         status_extractor=lambda r: (r.data.task_status if r.data else None),
     )
     return IO.NodeOutput(await download_url_to_video_output(final_response.data.task_result.videos[0].url))
@@ -862,7 +863,7 @@ class OmniProTextToVideoNode(IO.ComfyNode):
                 ),
                 IO.Combo.Input("aspect_ratio", options=["16:9", "9:16", "1:1"]),
                 IO.Int.Input("duration", default=5, min=3, max=15, display_mode=IO.NumberDisplay.slider),
-                IO.Combo.Input("resolution", options=["1080p", "720p"], optional=True),
+                IO.Combo.Input("resolution", options=["4k", "1080p", "720p"], default="1080p", optional=True),
                 IO.DynamicCombo.Input(
                     "storyboards",
                     options=[
@@ -904,12 +905,13 @@ class OmniProTextToVideoNode(IO.ComfyNode):
                 depends_on=IO.PriceBadgeDepends(widgets=["duration", "resolution", "model_name", "generate_audio"]),
                 expr="""
                 (
-                  $mode := (widgets.resolution = "720p") ? "std" : "pro";
+                  $res := widgets.resolution;
+                  $mode := $res = "4k" ? "4k" : ($res = "720p" ? "std" : "pro");
                   $isV3 := $contains(widgets.model_name, "v3");
                   $audio := $isV3 and widgets.generate_audio;
                   $rates := $audio
-                    ? {"std": 0.112, "pro": 0.14}
-                    : {"std": 0.084, "pro": 0.112};
+                    ? {"std": 0.112, "pro": 0.14, "4k": 0.42}
+                    : {"std": 0.084, "pro": 0.112, "4k": 0.42};
                   {"type":"usd","usd": $lookup($rates, $mode) * widgets.duration}
                 )
                 """,
@@ -934,6 +936,8 @@ class OmniProTextToVideoNode(IO.ComfyNode):
                 raise ValueError("kling-video-o1 only supports durations of 5 or 10 seconds.")
             if generate_audio:
                 raise ValueError("kling-video-o1 does not support audio generation.")
+            if resolution == "4k":
+                raise ValueError("kling-video-o1 does not support 4k resolution.")
         stories_enabled = storyboards is not None and storyboards["storyboards"] != "disabled"
         if stories_enabled and model_name == "kling-video-o1":
             raise ValueError("kling-video-o1 does not support storyboards.")
@@ -963,6 +967,12 @@ class OmniProTextToVideoNode(IO.ComfyNode):
                     f"must equal the global duration ({duration}s)."
                 )
 
+        if resolution == "4k":
+            mode = "4k"
+        elif resolution == "1080p":
+            mode = "pro"
+        else:
+            mode = "std"
         response = await sync_op(
             cls,
             ApiEndpoint(path="/proxy/kling/v1/videos/omni-video", method="POST"),
@@ -972,7 +982,7 @@ class OmniProTextToVideoNode(IO.ComfyNode):
                 prompt=prompt,
                 aspect_ratio=aspect_ratio,
                 duration=str(duration),
-                mode="pro" if resolution == "1080p" else "std",
+                mode=mode,
                 multi_shot=multi_shot,
                 multi_prompt=multi_prompt_list,
                 shot_type="customize" if multi_shot else None,
@@ -1014,7 +1024,7 @@ class OmniProFirstLastFrameNode(IO.ComfyNode):
                     optional=True,
                     tooltip="Up to 6 additional reference images.",
                 ),
-                IO.Combo.Input("resolution", options=["1080p", "720p"], optional=True),
+                IO.Combo.Input("resolution", options=["4k", "1080p", "720p"], default="1080p", optional=True),
                 IO.DynamicCombo.Input(
                     "storyboards",
                     options=[
@@ -1061,12 +1071,13 @@ class OmniProFirstLastFrameNode(IO.ComfyNode):
                 depends_on=IO.PriceBadgeDepends(widgets=["duration", "resolution", "model_name", "generate_audio"]),
                 expr="""
                 (
-                  $mode := (widgets.resolution = "720p") ? "std" : "pro";
+                  $res := widgets.resolution;
+                  $mode := $res = "4k" ? "4k" : ($res = "720p" ? "std" : "pro");
                   $isV3 := $contains(widgets.model_name, "v3");
                   $audio := $isV3 and widgets.generate_audio;
                   $rates := $audio
-                    ? {"std": 0.112, "pro": 0.14}
-                    : {"std": 0.084, "pro": 0.112};
+                    ? {"std": 0.112, "pro": 0.14, "4k": 0.42}
+                    : {"std": 0.084, "pro": 0.112, "4k": 0.42};
                   {"type":"usd","usd": $lookup($rates, $mode) * widgets.duration}
                 )
                 """,
@@ -1093,6 +1104,8 @@ class OmniProFirstLastFrameNode(IO.ComfyNode):
                 raise ValueError("kling-video-o1 does not support durations greater than 10 seconds.")
             if generate_audio:
                 raise ValueError("kling-video-o1 does not support audio generation.")
+            if resolution == "4k":
+                raise ValueError("kling-video-o1 does not support 4k resolution.")
         stories_enabled = storyboards is not None and storyboards["storyboards"] != "disabled"
         if stories_enabled and model_name == "kling-video-o1":
             raise ValueError("kling-video-o1 does not support storyboards.")
@@ -1161,6 +1174,12 @@ class OmniProFirstLastFrameNode(IO.ComfyNode):
                 validate_image_aspect_ratio(i, (1, 2.5), (2.5, 1))
             for i in await upload_images_to_comfyapi(cls, reference_images, wait_label="Uploading reference frame(s)"):
                 image_list.append(OmniParamImage(image_url=i))
+        if resolution == "4k":
+            mode = "4k"
+        elif resolution == "1080p":
+            mode = "pro"
+        else:
+            mode = "std"
         response = await sync_op(
             cls,
             ApiEndpoint(path="/proxy/kling/v1/videos/omni-video", method="POST"),
@@ -1170,7 +1189,7 @@ class OmniProFirstLastFrameNode(IO.ComfyNode):
                 prompt=prompt,
                 duration=str(duration),
                 image_list=image_list,
-                mode="pro" if resolution == "1080p" else "std",
+                mode=mode,
                 sound="on" if generate_audio else "off",
                 multi_shot=multi_shot,
                 multi_prompt=multi_prompt_list,
@@ -1204,7 +1223,7 @@ class OmniProImageToVideoNode(IO.ComfyNode):
                     "reference_images",
                     tooltip="Up to 7 reference images.",
                 ),
-                IO.Combo.Input("resolution", options=["1080p", "720p"], optional=True),
+                IO.Combo.Input("resolution", options=["4k", "1080p", "720p"], default="1080p", optional=True),
                 IO.DynamicCombo.Input(
                     "storyboards",
                     options=[
@@ -1251,12 +1270,13 @@ class OmniProImageToVideoNode(IO.ComfyNode):
                 depends_on=IO.PriceBadgeDepends(widgets=["duration", "resolution", "model_name", "generate_audio"]),
                 expr="""
                 (
-                  $mode := (widgets.resolution = "720p") ? "std" : "pro";
+                  $res := widgets.resolution;
+                  $mode := $res = "4k" ? "4k" : ($res = "720p" ? "std" : "pro");
                   $isV3 := $contains(widgets.model_name, "v3");
                   $audio := $isV3 and widgets.generate_audio;
                   $rates := $audio
-                    ? {"std": 0.112, "pro": 0.14}
-                    : {"std": 0.084, "pro": 0.112};
+                    ? {"std": 0.112, "pro": 0.14, "4k": 0.42}
+                    : {"std": 0.084, "pro": 0.112, "4k": 0.42};
                   {"type":"usd","usd": $lookup($rates, $mode) * widgets.duration}
                 )
                 """,
@@ -1282,6 +1302,8 @@ class OmniProImageToVideoNode(IO.ComfyNode):
                 raise ValueError("kling-video-o1 does not support durations greater than 10 seconds.")
             if generate_audio:
                 raise ValueError("kling-video-o1 does not support audio generation.")
+            if resolution == "4k":
+                raise ValueError("kling-video-o1 does not support 4k resolution.")
         stories_enabled = storyboards is not None and storyboards["storyboards"] != "disabled"
         if stories_enabled and model_name == "kling-video-o1":
             raise ValueError("kling-video-o1 does not support storyboards.")
@@ -1320,6 +1342,12 @@ class OmniProImageToVideoNode(IO.ComfyNode):
         image_list: list[OmniParamImage] = []
         for i in await upload_images_to_comfyapi(cls, reference_images, wait_label="Uploading reference image"):
             image_list.append(OmniParamImage(image_url=i))
+        if resolution == "4k":
+            mode = "4k"
+        elif resolution == "1080p":
+            mode = "pro"
+        else:
+            mode = "std"
         response = await sync_op(
             cls,
             ApiEndpoint(path="/proxy/kling/v1/videos/omni-video", method="POST"),
@@ -1330,7 +1358,7 @@ class OmniProImageToVideoNode(IO.ComfyNode):
                 aspect_ratio=aspect_ratio,
                 duration=str(duration),
                 image_list=image_list,
-                mode="pro" if resolution == "1080p" else "std",
+                mode=mode,
                 sound="on" if generate_audio else "off",
                 multi_shot=multi_shot,
                 multi_prompt=multi_prompt_list,
@@ -2860,7 +2888,7 @@ class KlingVideoNode(IO.ComfyNode):
                         IO.DynamicCombo.Option(
                             "kling-v3",
                             [
-                                IO.Combo.Input("resolution", options=["1080p", "720p"]),
+                                IO.Combo.Input("resolution", options=["4k", "1080p", "720p"], default="1080p"),
                                 IO.Combo.Input(
                                     "aspect_ratio",
                                     options=["16:9", "9:16", "1:1"],
@@ -2913,7 +2941,11 @@ class KlingVideoNode(IO.ComfyNode):
                 ),
                 expr="""
                 (
-                  $rates := {"1080p": {"off": 0.112, "on": 0.168}, "720p": {"off": 0.084, "on": 0.126}};
+                  $rates := {
+                    "4k": {"off": 0.42, "on": 0.42},
+                    "1080p": {"off": 0.112, "on": 0.168},
+                    "720p": {"off": 0.084, "on": 0.126}
+                  };
                   $res := $lookup(widgets, "model.resolution");
                   $audio := widgets.generate_audio ? "on" : "off";
                   $rate := $lookup($lookup($rates, $res), $audio);
@@ -2943,7 +2975,12 @@ class KlingVideoNode(IO.ComfyNode):
         start_frame: Input.Image | None = None,
     ) -> IO.NodeOutput:
         _ = seed
-        mode = "pro" if model["resolution"] == "1080p" else "std"
+        if model["resolution"] == "4k":
+            mode = "4k"
+        elif model["resolution"] == "1080p":
+            mode = "pro"
+        else:
+            mode = "std"
         custom_multi_shot = False
         if multi_shot["multi_shot"] == "disabled":
             shot_type = None
@@ -3025,6 +3062,7 @@ class KlingVideoNode(IO.ComfyNode):
             cls,
             ApiEndpoint(path=poll_path),
             response_model=TaskStatusResponse,
+            max_poll_attempts=280,
             status_extractor=lambda r: (r.data.task_status if r.data else None),
         )
         return IO.NodeOutput(await download_url_to_video_output(final_response.data.task_result.videos[0].url))
@@ -3057,7 +3095,7 @@ class KlingFirstLastFrameNode(IO.ComfyNode):
                         IO.DynamicCombo.Option(
                             "kling-v3",
                             [
-                                IO.Combo.Input("resolution", options=["1080p", "720p"]),
+                                IO.Combo.Input("resolution", options=["4k", "1080p", "720p"], default="1080p"),
                             ],
                         ),
                     ],
@@ -3089,7 +3127,11 @@ class KlingFirstLastFrameNode(IO.ComfyNode):
                 ),
                 expr="""
                 (
-                  $rates := {"1080p": {"off": 0.112, "on": 0.168}, "720p": {"off": 0.084, "on": 0.126}};
+                  $rates := {
+                    "4k": {"off": 0.42, "on": 0.42},
+                    "1080p": {"off": 0.112, "on": 0.168},
+                    "720p": {"off": 0.084, "on": 0.126}
+                  };
                   $res := $lookup(widgets, "model.resolution");
                   $audio := widgets.generate_audio ? "on" : "off";
                   $rate := $lookup($lookup($rates, $res), $audio);
@@ -3118,6 +3160,12 @@ class KlingFirstLastFrameNode(IO.ComfyNode):
         validate_image_aspect_ratio(end_frame, (1, 2.5), (2.5, 1))
         image_url = await upload_image_to_comfyapi(cls, first_frame, wait_label="Uploading first frame")
         image_tail_url = await upload_image_to_comfyapi(cls, end_frame, wait_label="Uploading end frame")
+        if model["resolution"] == "4k":
+            mode = "4k"
+        elif model["resolution"] == "1080p":
+            mode = "pro"
+        else:
+            mode = "std"
         response = await sync_op(
             cls,
             ApiEndpoint(path="/proxy/kling/v1/videos/image2video", method="POST"),
@@ -3127,7 +3175,7 @@ class KlingFirstLastFrameNode(IO.ComfyNode):
                 image=image_url,
                 image_tail=image_tail_url,
                 prompt=prompt,
-                mode="pro" if model["resolution"] == "1080p" else "std",
+                mode=mode,
                 duration=str(duration),
                 sound="on" if generate_audio else "off",
             ),
@@ -3140,6 +3188,7 @@ class KlingFirstLastFrameNode(IO.ComfyNode):
             cls,
             ApiEndpoint(path=f"/proxy/kling/v1/videos/image2video/{response.data.task_id}"),
             response_model=TaskStatusResponse,
+            max_poll_attempts=280,
             status_extractor=lambda r: (r.data.task_status if r.data else None),
         )
         return IO.NodeOutput(await download_url_to_video_output(final_response.data.task_result.videos[0].url))

comfy_api_nodes/nodes_openai.py

@@ -357,13 +357,17 @@ def calculate_tokens_price_image_1_5(response: OpenAIImageGenerationResponse) ->
     return ((response.usage.input_tokens * 8.0) + (response.usage.output_tokens * 32.0)) / 1_000_000.0
 
 
+def calculate_tokens_price_image_2_0(response: OpenAIImageGenerationResponse) -> float | None:
+    return ((response.usage.input_tokens * 8.0) + (response.usage.output_tokens * 30.0)) / 1_000_000.0
+
+
 class OpenAIGPTImage1(IO.ComfyNode):
 
     @classmethod
     def define_schema(cls):
         return IO.Schema(
             node_id="OpenAIGPTImage1",
-            display_name="OpenAI GPT Image 1.5",
+            display_name="OpenAI GPT Image 2",
             category="api node/image/OpenAI",
             description="Generates images synchronously via OpenAI's GPT Image endpoint.",
             inputs=[
@@ -401,7 +405,17 @@ class OpenAIGPTImage1(IO.ComfyNode):
                 IO.Combo.Input(
                     "size",
                     default="auto",
-                    options=["auto", "1024x1024", "1024x1536", "1536x1024"],
+                    options=[
+                        "auto",
+                        "1024x1024",
+                        "1024x1536",
+                        "1536x1024",
+                        "2048x2048",
+                        "2048x1152",
+                        "1152x2048",
+                        "3840x2160",
+                        "2160x3840",
+                    ],
                     tooltip="Image size",
                     optional=True,
                 ),
@@ -427,8 +441,8 @@ class OpenAIGPTImage1(IO.ComfyNode):
                 ),
                 IO.Combo.Input(
                     "model",
-                    options=["gpt-image-1", "gpt-image-1.5"],
-                    default="gpt-image-1.5",
+                    options=["gpt-image-1", "gpt-image-1.5", "gpt-image-2"],
+                    default="gpt-image-2",
                     optional=True,
                 ),
             ],
@@ -442,23 +456,36 @@ class OpenAIGPTImage1(IO.ComfyNode):
             ],
             is_api_node=True,
             price_badge=IO.PriceBadge(
-                depends_on=IO.PriceBadgeDepends(widgets=["quality", "n"]),
+                depends_on=IO.PriceBadgeDepends(widgets=["quality", "n", "model"]),
                 expr="""
                 (
                   $ranges := {
-                    "low":    [0.011, 0.02],
-                    "medium": [0.046, 0.07],
-                    "high":   [0.167, 0.3]
+                    "gpt-image-1": {
+                      "low":    [0.011, 0.02],
+                      "medium": [0.042, 0.07],
+                      "high":   [0.167, 0.25]
+                    },
+                    "gpt-image-1.5": {
+                      "low":    [0.009, 0.02],
+                      "medium": [0.034, 0.062],
+                      "high":   [0.133, 0.22]
+                    },
+                    "gpt-image-2": {
+                      "low":    [0.0048, 0.012],
+                      "medium": [0.041, 0.112],
+                      "high":   [0.165, 0.43]
+                    }
                   };
-                  $range := $lookup($ranges, widgets.quality);
-                  $n := widgets.n;
+                  $range := $lookup($lookup($ranges, widgets.model), widgets.quality);
+                  $nRaw := widgets.n;
+                  $n := ($nRaw != null and $nRaw != 0) ? $nRaw : 1;
                   ($n = 1)
-                    ? {"type":"range_usd","min_usd": $range[0], "max_usd": $range[1]}
+                    ? {"type":"range_usd","min_usd": $range[0], "max_usd": $range[1], "format": {"approximate": true}}
                     : {
                         "type":"range_usd",
-                        "min_usd": $range[0],
-                        "max_usd": $range[1],
-                        "format": { "suffix": " x " & $string($n) & "/Run" }
+                        "min_usd": $range[0] * $n,
+                        "max_usd": $range[1] * $n,
+                        "format": { "suffix": "/Run", "approximate": true }
                       }
                 )
                 """,
@@ -483,10 +510,18 @@ class OpenAIGPTImage1(IO.ComfyNode):
         if mask is not None and image is None:
             raise ValueError("Cannot use a mask without an input image")
 
+        if model in ("gpt-image-1", "gpt-image-1.5"):
+            if size not in ("auto", "1024x1024", "1024x1536", "1536x1024"):
+                raise ValueError(f"Resolution {size} is only supported by GPT Image 2 model")
+
         if model == "gpt-image-1":
             price_extractor = calculate_tokens_price_image_1
         elif model == "gpt-image-1.5":
             price_extractor = calculate_tokens_price_image_1_5
+        elif model == "gpt-image-2":
+            price_extractor = calculate_tokens_price_image_2_0
+            if background == "transparent":
+                raise ValueError("Transparent background is not supported for GPT Image 2 model")
         else:
             raise ValueError(f"Unknown model: {model}")
 

comfy_api_nodes/nodes_quiver.py

@@ -17,6 +17,44 @@ from comfy_api_nodes.util import (
 )
 from comfy_extras.nodes_images import SVG
 
+_ARROW_MODELS = ["arrow-1.1", "arrow-1.1-max", "arrow-preview"]
+
+
+def _arrow_sampling_inputs():
+    """Shared sampling inputs for all Arrow model variants."""
+    return [
+        IO.Float.Input(
+            "temperature",
+            default=1.0,
+            min=0.0,
+            max=2.0,
+            step=0.1,
+            display_mode=IO.NumberDisplay.slider,
+            tooltip="Randomness control. Higher values increase randomness.",
+            advanced=True,
+        ),
+        IO.Float.Input(
+            "top_p",
+            default=1.0,
+            min=0.05,
+            max=1.0,
+            step=0.05,
+            display_mode=IO.NumberDisplay.slider,
+            tooltip="Nucleus sampling parameter.",
+            advanced=True,
+        ),
+        IO.Float.Input(
+            "presence_penalty",
+            default=0.0,
+            min=-2.0,
+            max=2.0,
+            step=0.1,
+            display_mode=IO.NumberDisplay.slider,
+            tooltip="Token presence penalty.",
+            advanced=True,
+        ),
+    ]
+
 
 class QuiverTextToSVGNode(IO.ComfyNode):
     @classmethod
@@ -39,6 +77,7 @@ class QuiverTextToSVGNode(IO.ComfyNode):
                     default="",
                     tooltip="Additional style or formatting guidance.",
                     optional=True,
+                    advanced=True,
                 ),
                 IO.Autogrow.Input(
                     "reference_images",
@@ -53,43 +92,7 @@ class QuiverTextToSVGNode(IO.ComfyNode):
                 ),
                 IO.DynamicCombo.Input(
                     "model",
-                    options=[
-                        IO.DynamicCombo.Option(
-                            "arrow-preview",
-                            [
-                                IO.Float.Input(
-                                    "temperature",
-                                    default=1.0,
-                                    min=0.0,
-                                    max=2.0,
-                                    step=0.1,
-                                    display_mode=IO.NumberDisplay.slider,
-                                    tooltip="Randomness control. Higher values increase randomness.",
-                                    advanced=True,
-                                ),
-                                IO.Float.Input(
-                                    "top_p",
-                                    default=1.0,
-                                    min=0.05,
-                                    max=1.0,
-                                    step=0.05,
-                                    display_mode=IO.NumberDisplay.slider,
-                                    tooltip="Nucleus sampling parameter.",
-                                    advanced=True,
-                                ),
-                                IO.Float.Input(
-                                    "presence_penalty",
-                                    default=0.0,
-                                    min=-2.0,
-                                    max=2.0,
-                                    step=0.1,
-                                    display_mode=IO.NumberDisplay.slider,
-                                    tooltip="Token presence penalty.",
-                                    advanced=True,
-                                ),
-                            ],
-                        ),
-                    ],
+                    options=[IO.DynamicCombo.Option(m, _arrow_sampling_inputs()) for m in _ARROW_MODELS],
                     tooltip="Model to use for SVG generation.",
                 ),
                 IO.Int.Input(
@@ -112,7 +115,16 @@ class QuiverTextToSVGNode(IO.ComfyNode):
             ],
             is_api_node=True,
             price_badge=IO.PriceBadge(
-                expr="""{"type":"usd","usd":0.429}""",
+                depends_on=IO.PriceBadgeDepends(widgets=["model"]),
+                expr="""
+                (
+                  $contains(widgets.model, "max")
+                    ? {"type":"usd","usd":0.3575}
+                    : $contains(widgets.model, "preview")
+                      ? {"type":"usd","usd":0.429}
+                      : {"type":"usd","usd":0.286}
+                )
+                """,
             ),
         )
 
@@ -176,12 +188,13 @@ class QuiverImageToSVGNode(IO.ComfyNode):
                     "auto_crop",
                     default=False,
                     tooltip="Automatically crop to the dominant subject.",
+                    advanced=True,
                 ),
                 IO.DynamicCombo.Input(
                     "model",
                     options=[
                         IO.DynamicCombo.Option(
-                            "arrow-preview",
+                            m,
                             [
                                 IO.Int.Input(
                                     "target_size",
@@ -189,39 +202,12 @@ class QuiverImageToSVGNode(IO.ComfyNode):
                                     min=128,
                                     max=4096,
                                     tooltip="Square resize target in pixels.",
-                                ),
-                                IO.Float.Input(
-                                    "temperature",
-                                    default=1.0,
-                                    min=0.0,
-                                    max=2.0,
-                                    step=0.1,
-                                    display_mode=IO.NumberDisplay.slider,
-                                    tooltip="Randomness control. Higher values increase randomness.",
-                                    advanced=True,
-                                ),
-                                IO.Float.Input(
-                                    "top_p",
-                                    default=1.0,
-                                    min=0.05,
-                                    max=1.0,
-                                    step=0.05,
-                                    display_mode=IO.NumberDisplay.slider,
-                                    tooltip="Nucleus sampling parameter.",
-                                    advanced=True,
-                                ),
-                                IO.Float.Input(
-                                    "presence_penalty",
-                                    default=0.0,
-                                    min=-2.0,
-                                    max=2.0,
-                                    step=0.1,
-                                    display_mode=IO.NumberDisplay.slider,
-                                    tooltip="Token presence penalty.",
                                     advanced=True,
                                 ),
+                                *_arrow_sampling_inputs(),
                             ],
-                        ),
+                        )
+                        for m in _ARROW_MODELS
                     ],
                     tooltip="Model to use for SVG vectorization.",
                 ),
@@ -245,7 +231,16 @@ class QuiverImageToSVGNode(IO.ComfyNode):
             ],
             is_api_node=True,
             price_badge=IO.PriceBadge(
-                expr="""{"type":"usd","usd":0.429}""",
+                depends_on=IO.PriceBadgeDepends(widgets=["model"]),
+                expr="""
+                (
+                  $contains(widgets.model, "max")
+                    ? {"type":"usd","usd":0.3575}
+                    : $contains(widgets.model, "preview")
+                      ? {"type":"usd","usd":0.429}
+                      : {"type":"usd","usd":0.286}
+                )
+                """,
             ),
         )
 

comfy_api_nodes/nodes_sonilo.py

@@ -0,0 +1,287 @@
+import base64
+import json
+import logging
+import time
+from urllib.parse import urljoin
+
+import aiohttp
+from typing_extensions import override
+
+from comfy_api.latest import IO, ComfyExtension, Input
+from comfy_api_nodes.util import (
+    ApiEndpoint,
+    audio_bytes_to_audio_input,
+    upload_video_to_comfyapi,
+    validate_string,
+)
+from comfy_api_nodes.util._helpers import (
+    default_base_url,
+    get_auth_header,
+    get_node_id,
+    is_processing_interrupted,
+)
+from comfy_api_nodes.util.common_exceptions import ProcessingInterrupted
+from server import PromptServer
+
+logger = logging.getLogger(__name__)
+
+
+class SoniloVideoToMusic(IO.ComfyNode):
+    """Generate music from video using Sonilo's AI model."""
+
+    @classmethod
+    def define_schema(cls) -> IO.Schema:
+        return IO.Schema(
+            node_id="SoniloVideoToMusic",
+            display_name="Sonilo Video to Music",
+            category="api node/audio/Sonilo",
+            description="Generate music from video content using Sonilo's AI model. "
+            "Analyzes the video and creates matching music.",
+            inputs=[
+                IO.Video.Input(
+                    "video",
+                    tooltip="Input video to generate music from. Maximum duration: 6 minutes.",
+                ),
+                IO.String.Input(
+                    "prompt",
+                    default="",
+                    multiline=True,
+                    tooltip="Optional text prompt to guide music generation. "
+                    "Leave empty for best quality - the model will fully analyze the video content.",
+                ),
+                IO.Int.Input(
+                    "seed",
+                    default=0,
+                    min=0,
+                    max=0xFFFFFFFFFFFFFFFF,
+                    control_after_generate=True,
+                    tooltip="Seed for reproducibility. Currently ignored by the Sonilo "
+                    "service but kept for graph consistency.",
+                ),
+            ],
+            outputs=[IO.Audio.Output()],
+            hidden=[
+                IO.Hidden.auth_token_comfy_org,
+                IO.Hidden.api_key_comfy_org,
+                IO.Hidden.unique_id,
+            ],
+            is_api_node=True,
+            price_badge=IO.PriceBadge(
+                expr='{"type":"usd","usd":0.009,"format":{"suffix":"/second"}}',
+            ),
+        )
+
+    @classmethod
+    async def execute(
+        cls,
+        video: Input.Video,
+        prompt: str = "",
+        seed: int = 0,
+    ) -> IO.NodeOutput:
+        video_url = await upload_video_to_comfyapi(cls, video, max_duration=360)
+        form = aiohttp.FormData()
+        form.add_field("video_url", video_url)
+        if prompt.strip():
+            form.add_field("prompt", prompt.strip())
+        audio_bytes = await _stream_sonilo_music(
+            cls,
+            ApiEndpoint(path="/proxy/sonilo/v2m/generate", method="POST"),
+            form,
+        )
+        return IO.NodeOutput(audio_bytes_to_audio_input(audio_bytes))
+
+
+class SoniloTextToMusic(IO.ComfyNode):
+    """Generate music from a text prompt using Sonilo's AI model."""
+
+    @classmethod
+    def define_schema(cls) -> IO.Schema:
+        return IO.Schema(
+            node_id="SoniloTextToMusic",
+            display_name="Sonilo Text to Music",
+            category="api node/audio/Sonilo",
+            description="Generate music from a text prompt using Sonilo's AI model. "
+            "Leave duration at 0 to let the model infer it from the prompt.",
+            inputs=[
+                IO.String.Input(
+                    "prompt",
+                    default="",
+                    multiline=True,
+                    tooltip="Text prompt describing the music to generate.",
+                ),
+                IO.Int.Input(
+                    "duration",
+                    default=0,
+                    min=0,
+                    max=360,
+                    tooltip="Target duration in seconds. Set to 0 to let the model "
+                    "infer the duration from the prompt. Maximum: 6 minutes.",
+                ),
+                IO.Int.Input(
+                    "seed",
+                    default=0,
+                    min=0,
+                    max=0xFFFFFFFFFFFFFFFF,
+                    control_after_generate=True,
+                    tooltip="Seed for reproducibility. Currently ignored by the Sonilo "
+                    "service but kept for graph consistency.",
+                ),
+            ],
+            outputs=[IO.Audio.Output()],
+            hidden=[
+                IO.Hidden.auth_token_comfy_org,
+                IO.Hidden.api_key_comfy_org,
+                IO.Hidden.unique_id,
+            ],
+            is_api_node=True,
+            price_badge=IO.PriceBadge(
+                depends_on=IO.PriceBadgeDepends(widgets=["duration"]),
+                expr="""
+                (
+                  widgets.duration > 0
+                    ? {"type":"usd","usd": 0.005 * widgets.duration}
+                    : {"type":"usd","usd": 0.005, "format":{"suffix":"/second"}}
+                )
+                """,
+            ),
+        )
+
+    @classmethod
+    async def execute(
+        cls,
+        prompt: str,
+        duration: int = 0,
+        seed: int = 0,
+    ) -> IO.NodeOutput:
+        validate_string(prompt, strip_whitespace=True, min_length=1)
+        form = aiohttp.FormData()
+        form.add_field("prompt", prompt)
+        if duration > 0:
+            form.add_field("duration", str(duration))
+        audio_bytes = await _stream_sonilo_music(
+            cls,
+            ApiEndpoint(path="/proxy/sonilo/t2m/generate", method="POST"),
+            form,
+        )
+        return IO.NodeOutput(audio_bytes_to_audio_input(audio_bytes))
+
+
+async def _stream_sonilo_music(
+    cls: type[IO.ComfyNode],
+    endpoint: ApiEndpoint,
+    form: aiohttp.FormData,
+) -> bytes:
+    """POST ``form`` to Sonilo, read the NDJSON stream, and return the first stream's audio bytes."""
+    url = urljoin(default_base_url().rstrip("/") + "/", endpoint.path.lstrip("/"))
+
+    headers: dict[str, str] = {}
+    headers.update(get_auth_header(cls))
+    headers.update(endpoint.headers)
+
+    node_id = get_node_id(cls)
+    start_ts = time.monotonic()
+    last_chunk_status_ts = 0.0
+    audio_streams: dict[int, list[bytes]] = {}
+    title: str | None = None
+
+    timeout = aiohttp.ClientTimeout(total=1200.0, sock_read=300.0)
+    async with aiohttp.ClientSession(timeout=timeout) as session:
+        PromptServer.instance.send_progress_text("Status: Queued", node_id)
+        async with session.post(url, data=form, headers=headers) as resp:
+            if resp.status >= 400:
+                msg = await _extract_error_message(resp)
+                raise Exception(f"Sonilo API error ({resp.status}): {msg}")
+
+            while True:
+                if is_processing_interrupted():
+                    raise ProcessingInterrupted("Task cancelled")
+
+                raw_line = await resp.content.readline()
+                if not raw_line:
+                    break
+
+                line = raw_line.decode("utf-8").strip()
+                if not line:
+                    continue
+
+                try:
+                    evt = json.loads(line)
+                except json.JSONDecodeError:
+                    logger.warning("Sonilo: skipping malformed NDJSON line")
+                    continue
+
+                evt_type = evt.get("type")
+                if evt_type == "error":
+                    code = evt.get("code", "UNKNOWN")
+                    message = evt.get("message", "Unknown error")
+                    raise Exception(f"Sonilo generation error ({code}): {message}")
+                if evt_type == "duration":
+                    duration_sec = evt.get("duration_sec")
+                    if duration_sec is not None:
+                        PromptServer.instance.send_progress_text(
+                            f"Status: Generating\nVideo duration: {duration_sec:.1f}s",
+                            node_id,
+                        )
+                elif evt_type in ("titles", "title"):
+                    # v2m sends a "titles" list, t2m sends a scalar "title"
+                    if evt_type == "titles":
+                        titles = evt.get("titles", [])
+                        if titles:
+                            title = titles[0]
+                    else:
+                        title = evt.get("title") or title
+                    if title:
+                        PromptServer.instance.send_progress_text(
+                            f"Status: Generating\nTitle: {title}",
+                            node_id,
+                        )
+                elif evt_type == "audio_chunk":
+                    stream_idx = evt.get("stream_index", 0)
+                    chunk_data = base64.b64decode(evt["data"])
+
+                    if stream_idx not in audio_streams:
+                        audio_streams[stream_idx] = []
+                    audio_streams[stream_idx].append(chunk_data)
+
+                    now = time.monotonic()
+                    if now - last_chunk_status_ts >= 1.0:
+                        total_chunks = sum(len(chunks) for chunks in audio_streams.values())
+                        elapsed = int(now - start_ts)
+                        status_lines = ["Status: Receiving audio"]
+                        if title:
+                            status_lines.append(f"Title: {title}")
+                        status_lines.append(f"Chunks received: {total_chunks}")
+                        status_lines.append(f"Time elapsed: {elapsed}s")
+                        PromptServer.instance.send_progress_text("\n".join(status_lines), node_id)
+                        last_chunk_status_ts = now
+                elif evt_type == "complete":
+                    break
+
+    if not audio_streams:
+        raise Exception("Sonilo API returned no audio data.")
+
+    PromptServer.instance.send_progress_text("Status: Completed", node_id)
+    selected_stream = 0 if 0 in audio_streams else min(audio_streams)
+    return b"".join(audio_streams[selected_stream])
+
+
+async def _extract_error_message(resp: aiohttp.ClientResponse) -> str:
+    """Extract a human-readable error message from an HTTP error response."""
+    try:
+        error_body = await resp.json()
+        detail = error_body.get("detail", {})
+        if isinstance(detail, dict):
+            return detail.get("message", str(detail))
+        return str(detail)
+    except Exception:
+        return await resp.text()
+
+
+class SoniloExtension(ComfyExtension):
+    @override
+    async def get_node_list(self) -> list[type[IO.ComfyNode]]:
+        return [SoniloVideoToMusic, SoniloTextToMusic]
+
+
+async def comfy_entrypoint() -> SoniloExtension:
+    return SoniloExtension()

comfy_api_nodes/nodes_stability.py

@@ -401,7 +401,7 @@ class StabilityUpscaleConservativeNode(IO.ComfyNode):
             ],
             is_api_node=True,
             price_badge=IO.PriceBadge(
-                expr="""{"type":"usd","usd":0.25}""",
+                expr="""{"type":"usd","usd":0.4}""",
             ),
         )
 
@@ -510,7 +510,7 @@ class StabilityUpscaleCreativeNode(IO.ComfyNode):
             ],
             is_api_node=True,
             price_badge=IO.PriceBadge(
-                expr="""{"type":"usd","usd":0.25}""",
+                expr="""{"type":"usd","usd":0.6}""",
             ),
         )
 
@@ -593,7 +593,7 @@ class StabilityUpscaleFastNode(IO.ComfyNode):
             ],
             is_api_node=True,
             price_badge=IO.PriceBadge(
-                expr="""{"type":"usd","usd":0.01}""",
+                expr="""{"type":"usd","usd":0.02}""",
             ),
         )
 

comfy_api_nodes/nodes_veo2.py

@@ -24,8 +24,9 @@ from comfy_api_nodes.util import (
 AVERAGE_DURATION_VIDEO_GEN = 32
 MODELS_MAP = {
     "veo-2.0-generate-001": "veo-2.0-generate-001",
-    "veo-3.1-generate": "veo-3.1-generate-preview",
-    "veo-3.1-fast-generate": "veo-3.1-fast-generate-preview",
+    "veo-3.1-generate": "veo-3.1-generate-001",
+    "veo-3.1-fast-generate": "veo-3.1-fast-generate-001",
+    "veo-3.1-lite": "veo-3.1-lite-generate-001",
     "veo-3.0-generate-001": "veo-3.0-generate-001",
     "veo-3.0-fast-generate-001": "veo-3.0-fast-generate-001",
 }
@@ -247,17 +248,8 @@ class VeoVideoGenerationNode(IO.ComfyNode):
         raise Exception("Video generation completed but no video was returned")
 
 
-class Veo3VideoGenerationNode(VeoVideoGenerationNode):
-    """
-    Generates videos from text prompts using Google's Veo 3 API.
-
-    Supported models:
-    - veo-3.0-generate-001
-    - veo-3.0-fast-generate-001
-
-    This node extends the base Veo node with Veo 3 specific features including
-    audio generation and fixed 8-second duration.
-    """
+class Veo3VideoGenerationNode(IO.ComfyNode):
+    """Generates videos from text prompts using Google's Veo 3 API."""
 
     @classmethod
     def define_schema(cls):
@@ -279,6 +271,13 @@ class Veo3VideoGenerationNode(VeoVideoGenerationNode):
                     default="16:9",
                     tooltip="Aspect ratio of the output video",
                 ),
+                IO.Combo.Input(
+                    "resolution",
+                    options=["720p", "1080p", "4k"],
+                    default="720p",
+                    tooltip="Output video resolution. 4K is not available for veo-3.1-lite and veo-3.0 models.",
+                    optional=True,
+                ),
                 IO.String.Input(
                     "negative_prompt",
                     multiline=True,
@@ -289,11 +288,11 @@ class Veo3VideoGenerationNode(VeoVideoGenerationNode):
                 IO.Int.Input(
                     "duration_seconds",
                     default=8,
-                    min=8,
+                    min=4,
                     max=8,
-                    step=1,
+                    step=2,
                     display_mode=IO.NumberDisplay.number,
-                    tooltip="Duration of the output video in seconds (Veo 3 only supports 8 seconds)",
+                    tooltip="Duration of the output video in seconds",
                     optional=True,
                 ),
                 IO.Boolean.Input(
@@ -332,10 +331,10 @@ class Veo3VideoGenerationNode(VeoVideoGenerationNode):
                     options=[
                         "veo-3.1-generate",
                         "veo-3.1-fast-generate",
+                        "veo-3.1-lite",
                         "veo-3.0-generate-001",
                         "veo-3.0-fast-generate-001",
                     ],
-                    default="veo-3.0-generate-001",
                     tooltip="Veo 3 model to use for video generation",
                     optional=True,
                 ),
@@ -356,21 +355,111 @@ class Veo3VideoGenerationNode(VeoVideoGenerationNode):
             ],
             is_api_node=True,
             price_badge=IO.PriceBadge(
-                depends_on=IO.PriceBadgeDepends(widgets=["model", "generate_audio"]),
+                depends_on=IO.PriceBadgeDepends(widgets=["model", "generate_audio", "resolution", "duration_seconds"]),
                 expr="""
                 (
                   $m := widgets.model;
+                  $r := widgets.resolution;
                   $a := widgets.generate_audio;
-                  ($contains($m,"veo-3.0-fast-generate-001") or $contains($m,"veo-3.1-fast-generate"))
-                    ? {"type":"usd","usd": ($a ? 1.2 : 0.8)}
-                    : ($contains($m,"veo-3.0-generate-001") or $contains($m,"veo-3.1-generate"))
-                      ? {"type":"usd","usd": ($a ? 3.2 : 1.6)}
-                      : {"type":"range_usd","min_usd":0.8,"max_usd":3.2}
+                  $seconds := widgets.duration_seconds;
+                  $pps :=
+                    $contains($m, "lite")
+                      ? ($r = "1080p" ? ($a ? 0.08 : 0.05) : ($a ? 0.05 : 0.03))
+                    : $contains($m, "3.1-fast")
+                      ? ($r = "4k" ? ($a ? 0.30 : 0.25) : $r = "1080p" ? ($a ? 0.12 : 0.10) : ($a ? 0.10 : 0.08))
+                    : $contains($m, "3.1-generate")
+                      ? ($r = "4k" ? ($a ? 0.60 : 0.40) : ($a ? 0.40 : 0.20))
+                    : $contains($m, "3.0-fast")
+                      ? ($a ? 0.15 : 0.10)
+                    : ($a ? 0.40 : 0.20);
+                  {"type":"usd","usd": $pps * $seconds}
                 )
                 """,
             ),
         )
 
+    @classmethod
+    async def execute(
+        cls,
+        prompt,
+        aspect_ratio="16:9",
+        resolution="720p",
+        negative_prompt="",
+        duration_seconds=8,
+        enhance_prompt=True,
+        person_generation="ALLOW",
+        seed=0,
+        image=None,
+        model="veo-3.0-generate-001",
+        generate_audio=False,
+    ):
+        if resolution == "4k" and ("lite" in model or "3.0" in model):
+            raise Exception("4K resolution is not supported by the veo-3.1-lite or veo-3.0 models.")
+
+        model = MODELS_MAP[model]
+
+        instances = [{"prompt": prompt}]
+        if image is not None:
+            image_base64 = tensor_to_base64_string(image)
+            if image_base64:
+                instances[0]["image"] = {"bytesBase64Encoded": image_base64, "mimeType": "image/png"}
+
+        parameters = {
+            "aspectRatio": aspect_ratio,
+            "personGeneration": person_generation,
+            "durationSeconds": duration_seconds,
+            "enhancePrompt": True,
+            "generateAudio": generate_audio,
+        }
+        if negative_prompt:
+            parameters["negativePrompt"] = negative_prompt
+        if seed > 0:
+            parameters["seed"] = seed
+        if "veo-3.1" in model:
+            parameters["resolution"] = resolution
+
+        initial_response = await sync_op(
+            cls,
+            ApiEndpoint(path=f"/proxy/veo/{model}/generate", method="POST"),
+            response_model=VeoGenVidResponse,
+            data=VeoGenVidRequest(
+                instances=instances,
+                parameters=parameters,
+            ),
+        )
+
+        poll_response = await poll_op(
+            cls,
+            ApiEndpoint(path=f"/proxy/veo/{model}/poll", method="POST"),
+            response_model=VeoGenVidPollResponse,
+            status_extractor=lambda r: "completed" if r.done else "pending",
+            data=VeoGenVidPollRequest(operationName=initial_response.name),
+            poll_interval=9.0,
+            estimated_duration=AVERAGE_DURATION_VIDEO_GEN,
+        )
+
+        if poll_response.error:
+            raise Exception(f"Veo API error: {poll_response.error.message} (code: {poll_response.error.code})")
+
+        response = poll_response.response
+        filtered_count = response.raiMediaFilteredCount
+        if filtered_count:
+            reasons = response.raiMediaFilteredReasons or []
+            reason_part = f": {reasons[0]}" if reasons else ""
+            raise Exception(
+                f"Content blocked by Google's Responsible AI filters{reason_part} "
+                f"({filtered_count} video{'s' if filtered_count != 1 else ''} filtered)."
+            )
+
+        if response.videos:
+            video = response.videos[0]
+            if video.bytesBase64Encoded:
+                return IO.NodeOutput(InputImpl.VideoFromFile(BytesIO(base64.b64decode(video.bytesBase64Encoded))))
+            if video.gcsUri:
+                return IO.NodeOutput(await download_url_to_video_output(video.gcsUri))
+            raise Exception("Video returned but no data or URL was provided")
+        raise Exception("Video generation completed but no video was returned")
+
 
 class Veo3FirstLastFrameNode(IO.ComfyNode):
 
@@ -394,7 +483,7 @@ class Veo3FirstLastFrameNode(IO.ComfyNode):
                     default="",
                     tooltip="Negative text prompt to guide what to avoid in the video",
                 ),
-                IO.Combo.Input("resolution", options=["720p", "1080p"]),
+                IO.Combo.Input("resolution", options=["720p", "1080p", "4k"]),
                 IO.Combo.Input(
                     "aspect_ratio",
                     options=["16:9", "9:16"],
@@ -424,8 +513,7 @@ class Veo3FirstLastFrameNode(IO.ComfyNode):
                 IO.Image.Input("last_frame", tooltip="End frame"),
                 IO.Combo.Input(
                     "model",
-                    options=["veo-3.1-generate", "veo-3.1-fast-generate"],
-                    default="veo-3.1-fast-generate",
+                    options=["veo-3.1-generate", "veo-3.1-fast-generate", "veo-3.1-lite"],
                 ),
                 IO.Boolean.Input(
                     "generate_audio",
@@ -443,26 +531,20 @@ class Veo3FirstLastFrameNode(IO.ComfyNode):
             ],
             is_api_node=True,
             price_badge=IO.PriceBadge(
-                depends_on=IO.PriceBadgeDepends(widgets=["model", "generate_audio", "duration"]),
+                depends_on=IO.PriceBadgeDepends(widgets=["model", "generate_audio", "duration", "resolution"]),
                 expr="""
                 (
-                  $prices := {
-                    "veo-3.1-fast-generate": { "audio": 0.15, "no_audio": 0.10 },
-                    "veo-3.1-generate":      { "audio": 0.40, "no_audio": 0.20 }
-                  };
                   $m := widgets.model;
-                  $ga := (widgets.generate_audio = "true");
+                  $r := widgets.resolution;
+                  $ga := widgets.generate_audio;
                   $seconds := widgets.duration;
-                  $modelKey :=
-                    $contains($m, "veo-3.1-fast-generate") ? "veo-3.1-fast-generate" :
-                    $contains($m, "veo-3.1-generate")      ? "veo-3.1-generate" :
-                    "";
-                  $audioKey := $ga ? "audio" : "no_audio";
-                  $modelPrices := $lookup($prices, $modelKey);
-                  $pps := $lookup($modelPrices, $audioKey);
-                  ($pps != null)
-                    ? {"type":"usd","usd": $pps * $seconds}
-                    : {"type":"range_usd","min_usd": 0.4, "max_usd": 3.2}
+                  $pps :=
+                    $contains($m, "lite")
+                      ? ($r = "1080p" ? ($ga ? 0.08 : 0.05) : ($ga ? 0.05 : 0.03))
+                    : $contains($m, "fast")
+                      ? ($r = "4k" ? ($ga ? 0.30 : 0.25) : $r = "1080p" ? ($ga ? 0.12 : 0.10) : ($ga ? 0.10 : 0.08))
+                    : ($r = "4k" ? ($ga ? 0.60 : 0.40) : ($ga ? 0.40 : 0.20));
+                  {"type":"usd","usd": $pps * $seconds}
                 )
                 """,
             ),
@@ -482,6 +564,9 @@ class Veo3FirstLastFrameNode(IO.ComfyNode):
         model: str,
         generate_audio: bool,
     ):
+        if "lite" in model and resolution == "4k":
+            raise Exception("4K resolution is not supported by the veo-3.1-lite model.")
+
         model = MODELS_MAP[model]
         initial_response = await sync_op(
             cls,
@@ -519,7 +604,7 @@ class Veo3FirstLastFrameNode(IO.ComfyNode):
             data=VeoGenVidPollRequest(
                 operationName=initial_response.name,
             ),
-            poll_interval=5.0,
+            poll_interval=9.0,
             estimated_duration=AVERAGE_DURATION_VIDEO_GEN,
         )
 

comfy_api_nodes/util/__init__.py

@@ -19,6 +19,7 @@ from .conversions import (
     image_tensor_pair_to_batch,
     pil_to_bytesio,
     resize_mask_to_image,
+    resize_video_to_pixel_budget,
     tensor_to_base64_string,
     tensor_to_bytesio,
     tensor_to_pil,
@@ -90,6 +91,7 @@ __all__ = [
     "image_tensor_pair_to_batch",
     "pil_to_bytesio",
     "resize_mask_to_image",
+    "resize_video_to_pixel_budget",
     "tensor_to_base64_string",
     "tensor_to_bytesio",
     "tensor_to_pil",

comfy_api_nodes/util/client.py

@@ -156,6 +156,7 @@ async def poll_op(
     estimated_duration: int | None = None,
     cancel_endpoint: ApiEndpoint | None = None,
     cancel_timeout: float = 10.0,
+    extra_text: str | None = None,
 ) -> M:
     raw = await poll_op_raw(
         cls,
@@ -176,6 +177,7 @@ async def poll_op(
         estimated_duration=estimated_duration,
         cancel_endpoint=cancel_endpoint,
         cancel_timeout=cancel_timeout,
+        extra_text=extra_text,
     )
     if not isinstance(raw, dict):
         raise Exception("Expected JSON response to validate into a Pydantic model, got non-JSON (binary or text).")
@@ -260,6 +262,7 @@ async def poll_op_raw(
     estimated_duration: int | None = None,
     cancel_endpoint: ApiEndpoint | None = None,
     cancel_timeout: float = 10.0,
+    extra_text: str | None = None,
 ) -> dict[str, Any]:
     """
     Polls an endpoint until the task reaches a terminal state. Displays time while queued/processing,
@@ -299,6 +302,7 @@ async def poll_op_raw(
                     price=state.price,
                     is_queued=state.is_queued,
                     processing_elapsed_seconds=int(proc_elapsed),
+                    extra_text=extra_text,
                 )
                 await asyncio.sleep(1.0)
         except Exception as exc:
@@ -389,6 +393,7 @@ async def poll_op_raw(
                     price=state.price,
                     is_queued=False,
                     processing_elapsed_seconds=int(state.base_processing_elapsed),
+                    extra_text=extra_text,
                 )
                 return resp_json
 
@@ -462,6 +467,7 @@ def _display_time_progress(
     price: float | None = None,
     is_queued: bool | None = None,
     processing_elapsed_seconds: int | None = None,
+    extra_text: str | None = None,
 ) -> None:
     if estimated_total is not None and estimated_total > 0 and is_queued is False:
         pe = processing_elapsed_seconds if processing_elapsed_seconds is not None else elapsed_seconds
@@ -469,7 +475,8 @@ def _display_time_progress(
         time_line = f"Time elapsed: {int(elapsed_seconds)}s (~{remaining}s remaining)"
     else:
         time_line = f"Time elapsed: {int(elapsed_seconds)}s"
-    _display_text(node_cls, time_line, status=status, price=price)
+    text = f"{time_line}\n\n{extra_text}" if extra_text else time_line
+    _display_text(node_cls, text, status=status, price=price)
 
 
 async def _diagnose_connectivity() -> dict[str, bool]:

comfy_api_nodes/util/conversions.py

@@ -129,22 +129,38 @@ def pil_to_bytesio(img: Image.Image, mime_type: str = "image/png") -> BytesIO:
     return img_byte_arr
 
 
+def _compute_downscale_dims(src_w: int, src_h: int, total_pixels: int) -> tuple[int, int] | None:
+    """Return downscaled (w, h) with even dims fitting ``total_pixels``, or None if already fits.
+
+    Source aspect ratio is preserved; output may drift by a fraction of a percent because both dimensions
+    are rounded down to even values (many  codecs require divisible-by-2).
+    """
+    pixels = src_w * src_h
+    if pixels <= total_pixels:
+        return None
+    scale = math.sqrt(total_pixels / pixels)
+    new_w = max(2, int(src_w * scale))
+    new_h = max(2, int(src_h * scale))
+    new_w -= new_w % 2
+    new_h -= new_h % 2
+    return new_w, new_h
+
+
 def downscale_image_tensor(image: torch.Tensor, total_pixels: int = 1536 * 1024) -> torch.Tensor:
-    """Downscale input image tensor to roughly the specified total pixels."""
+    """Downscale input image tensor to roughly the specified total pixels.
+
+    Output dimensions are rounded down to even values so that the result is guaranteed to fit within ``total_pixels``
+    and is compatible with codecs that require even dimensions (e.g. yuv420p).
+    """
     samples = image.movedim(-1, 1)
-    total = int(total_pixels)
-    scale_by = math.sqrt(total / (samples.shape[3] * samples.shape[2]))
-    if scale_by >= 1:
+    dims = _compute_downscale_dims(samples.shape[3], samples.shape[2], int(total_pixels))
+    if dims is None:
         return image
-    width = round(samples.shape[3] * scale_by)
-    height = round(samples.shape[2] * scale_by)
-
-    s = common_upscale(samples, width, height, "lanczos", "disabled")
-    s = s.movedim(1, -1)
-    return s
+    new_w, new_h = dims
+    return common_upscale(samples, new_w, new_h, "lanczos", "disabled").movedim(1, -1)
 
 
-def downscale_image_tensor_by_max_side(image: torch.Tensor, *,  max_side: int) -> torch.Tensor:
+def downscale_image_tensor_by_max_side(image: torch.Tensor, *, max_side: int) -> torch.Tensor:
     """Downscale input image tensor so the largest dimension is at most max_side pixels."""
     samples = image.movedim(-1, 1)
     height, width = samples.shape[2], samples.shape[3]
@@ -399,6 +415,72 @@ def trim_video(video: Input.Video, duration_sec: float) -> Input.Video:
         raise RuntimeError(f"Failed to trim video: {str(e)}") from e
 
 
+def resize_video_to_pixel_budget(video: Input.Video, total_pixels: int) -> Input.Video:
+    """Downscale a video to fit within ``total_pixels`` (w * h), preserving aspect ratio.
+
+    Returns the original video object untouched when it already fits. Preserves frame rate, duration, and audio.
+    Aspect ratio is preserved up to a fraction of a percent (even-dim rounding).
+    """
+    src_w, src_h = video.get_dimensions()
+    scale_dims = _compute_downscale_dims(src_w, src_h, total_pixels)
+    if scale_dims is None:
+        return video
+    return _apply_video_scale(video, scale_dims)
+
+
+def _apply_video_scale(video: Input.Video, scale_dims: tuple[int, int]) -> Input.Video:
+    """Re-encode ``video`` scaled to ``scale_dims`` with a single decode/encode pass."""
+    out_w, out_h = scale_dims
+    output_buffer = BytesIO()
+    input_container = None
+    output_container = None
+
+    try:
+        input_source = video.get_stream_source()
+        input_container = av.open(input_source, mode="r")
+        output_container = av.open(output_buffer, mode="w", format="mp4")
+
+        video_stream = output_container.add_stream("h264", rate=video.get_frame_rate())
+        video_stream.width = out_w
+        video_stream.height = out_h
+        video_stream.pix_fmt = "yuv420p"
+
+        audio_stream = None
+        for stream in input_container.streams:
+            if isinstance(stream, av.AudioStream):
+                audio_stream = output_container.add_stream("aac", rate=stream.sample_rate)
+                audio_stream.sample_rate = stream.sample_rate
+                audio_stream.layout = stream.layout
+                break
+
+        for frame in input_container.decode(video=0):
+            frame = frame.reformat(width=out_w, height=out_h, format="yuv420p")
+            for packet in video_stream.encode(frame):
+                output_container.mux(packet)
+        for packet in video_stream.encode():
+            output_container.mux(packet)
+
+        if audio_stream is not None:
+            input_container.seek(0)
+            for audio_frame in input_container.decode(audio=0):
+                for packet in audio_stream.encode(audio_frame):
+                    output_container.mux(packet)
+            for packet in audio_stream.encode():
+                output_container.mux(packet)
+
+        output_container.close()
+        input_container.close()
+        output_buffer.seek(0)
+        return InputImpl.VideoFromFile(output_buffer)
+
+    except Exception as e:
+        if input_container is not None:
+            input_container.close()
+        if output_container is not None:
+            output_container.close()
+        raise RuntimeError(f"Failed to resize video: {str(e)}") from e
+
+
 def _f32_pcm(wav: torch.Tensor) -> torch.Tensor:
     """Convert audio to float 32 bits PCM format. Copy-paste from nodes_audio.py file."""
     if wav.dtype.is_floating_point:

comfy_extras/frame_interpolation_models/film_net.py

@@ -0,0 +1,258 @@
+"""FILM: Frame Interpolation for Large Motion (ECCV 2022)."""
+
+import torch
+import torch.nn as nn
+import torch.nn.functional as F
+
+import comfy.ops
+
+ops = comfy.ops.disable_weight_init
+
+
+class FilmConv2d(nn.Module):
+    """Conv2d with optional LeakyReLU and FILM-style padding."""
+
+    def __init__(self, in_channels, out_channels, size, activation=True, device=None, dtype=None, operations=ops):
+        super().__init__()
+        self.even_pad = not size % 2
+        self.conv = operations.Conv2d(in_channels, out_channels, kernel_size=size, padding=size // 2 if size % 2 else 0, device=device, dtype=dtype)
+        self.activation = nn.LeakyReLU(0.2) if activation else None
+
+    def forward(self, x):
+        if self.even_pad:
+            x = F.pad(x, (0, 1, 0, 1))
+        x = self.conv(x)
+        if self.activation is not None:
+            x = self.activation(x)
+        return x
+
+
+def _warp_core(image, flow, grid_x, grid_y):
+    dtype = image.dtype
+    H, W = flow.shape[2], flow.shape[3]
+    dx = flow[:, 0].float() / (W * 0.5)
+    dy = flow[:, 1].float() / (H * 0.5)
+    grid = torch.stack([grid_x[None, None, :] + dx, grid_y[None, :, None] + dy], dim=3)
+    return F.grid_sample(image.float(), grid, mode="bilinear", padding_mode="border", align_corners=False).to(dtype)
+
+
+def build_image_pyramid(image, pyramid_levels):
+    pyramid = [image]
+    for _ in range(1, pyramid_levels):
+        image = F.avg_pool2d(image, 2, 2)
+        pyramid.append(image)
+    return pyramid
+
+
+def flow_pyramid_synthesis(residual_pyramid):
+    flow = residual_pyramid[-1]
+    flow_pyramid = [flow]
+    for residual_flow in residual_pyramid[:-1][::-1]:
+        flow = F.interpolate(flow, size=residual_flow.shape[2:4], mode="bilinear", scale_factor=None).mul_(2).add_(residual_flow)
+        flow_pyramid.append(flow)
+    flow_pyramid.reverse()
+    return flow_pyramid
+
+
+def multiply_pyramid(pyramid, scalar):
+    return [image * scalar[:, None, None, None] for image in pyramid]
+
+
+def pyramid_warp(feature_pyramid, flow_pyramid, warp_fn):
+    return [warp_fn(features, flow) for features, flow in zip(feature_pyramid, flow_pyramid)]
+
+
+def concatenate_pyramids(pyramid1, pyramid2):
+    return [torch.cat([f1, f2], dim=1) for f1, f2 in zip(pyramid1, pyramid2)]
+
+
+class SubTreeExtractor(nn.Module):
+    def __init__(self, in_channels=3, channels=64, n_layers=4, device=None, dtype=None, operations=ops):
+        super().__init__()
+        convs = []
+        for i in range(n_layers):
+            out_ch = channels << i
+            convs.append(nn.Sequential(
+                FilmConv2d(in_channels, out_ch, 3, device=device, dtype=dtype, operations=operations),
+                FilmConv2d(out_ch, out_ch, 3, device=device, dtype=dtype, operations=operations)))
+            in_channels = out_ch
+        self.convs = nn.ModuleList(convs)
+
+    def forward(self, image, n):
+        head = image
+        pyramid = []
+        for i, layer in enumerate(self.convs):
+            head = layer(head)
+            pyramid.append(head)
+            if i < n - 1:
+                head = F.avg_pool2d(head, 2, 2)
+        return pyramid
+
+
+class FeatureExtractor(nn.Module):
+    def __init__(self, in_channels=3, channels=64, sub_levels=4, device=None, dtype=None, operations=ops):
+        super().__init__()
+        self.extract_sublevels = SubTreeExtractor(in_channels, channels, sub_levels, device=device, dtype=dtype, operations=operations)
+        self.sub_levels = sub_levels
+
+    def forward(self, image_pyramid):
+        sub_pyramids = [self.extract_sublevels(image_pyramid[i], min(len(image_pyramid) - i, self.sub_levels))
+                        for i in range(len(image_pyramid))]
+        feature_pyramid = []
+        for i in range(len(image_pyramid)):
+            features = sub_pyramids[i][0]
+            for j in range(1, self.sub_levels):
+                if j <= i:
+                    features = torch.cat([features, sub_pyramids[i - j][j]], dim=1)
+            feature_pyramid.append(features)
+            # Free sub-pyramids no longer needed by future levels
+            if i >= self.sub_levels - 1:
+                sub_pyramids[i - self.sub_levels + 1] = None
+        return feature_pyramid
+
+
+class FlowEstimator(nn.Module):
+    def __init__(self, in_channels, num_convs, num_filters, device=None, dtype=None, operations=ops):
+        super().__init__()
+        self._convs = nn.ModuleList()
+        for _ in range(num_convs):
+            self._convs.append(FilmConv2d(in_channels, num_filters, 3, device=device, dtype=dtype, operations=operations))
+            in_channels = num_filters
+        self._convs.append(FilmConv2d(in_channels, num_filters // 2, 1, device=device, dtype=dtype, operations=operations))
+        self._convs.append(FilmConv2d(num_filters // 2, 2, 1, activation=False, device=device, dtype=dtype, operations=operations))
+
+    def forward(self, features_a, features_b):
+        net = torch.cat([features_a, features_b], dim=1)
+        for conv in self._convs:
+            net = conv(net)
+        return net
+
+
+class PyramidFlowEstimator(nn.Module):
+    def __init__(self, filters=64, flow_convs=(3, 3, 3, 3), flow_filters=(32, 64, 128, 256), device=None, dtype=None, operations=ops):
+        super().__init__()
+        in_channels = filters << 1
+        predictors = []
+        for i in range(len(flow_convs)):
+            predictors.append(FlowEstimator(in_channels, flow_convs[i], flow_filters[i], device=device, dtype=dtype, operations=operations))
+            in_channels += filters << (i + 2)
+        self._predictor = predictors[-1]
+        self._predictors = nn.ModuleList(predictors[:-1][::-1])
+
+    def forward(self, feature_pyramid_a, feature_pyramid_b, warp_fn):
+        levels = len(feature_pyramid_a)
+        v = self._predictor(feature_pyramid_a[-1], feature_pyramid_b[-1])
+        residuals = [v]
+        # Coarse-to-fine: shared predictor for deep levels, then specialized predictors for fine levels
+        steps = [(i, self._predictor) for i in range(levels - 2, len(self._predictors) - 1, -1)]
+        steps += [(len(self._predictors) - 1 - k, p) for k, p in enumerate(self._predictors)]
+        for i, predictor in steps:
+            v = F.interpolate(v, size=feature_pyramid_a[i].shape[2:4], mode="bilinear").mul_(2)
+            v_residual = predictor(feature_pyramid_a[i], warp_fn(feature_pyramid_b[i], v))
+            residuals.append(v_residual)
+            v = v.add_(v_residual)
+        residuals.reverse()
+        return residuals
+
+
+def _get_fusion_channels(level, filters):
+    # Per direction: multi-scale features + RGB image (3ch) + flow (2ch), doubled for both directions
+    return (sum(filters << i for i in range(level)) + 3 + 2) * 2
+
+
+class Fusion(nn.Module):
+    def __init__(self, n_layers=4, specialized_layers=3, filters=64, device=None, dtype=None, operations=ops):
+        super().__init__()
+        self.output_conv = operations.Conv2d(filters, 3, kernel_size=1, device=device, dtype=dtype)
+        self.convs = nn.ModuleList()
+        in_channels = _get_fusion_channels(n_layers, filters)
+        increase = 0
+        for i in range(n_layers)[::-1]:
+            num_filters = (filters << i) if i < specialized_layers else (filters << specialized_layers)
+            self.convs.append(nn.ModuleList([
+                FilmConv2d(in_channels, num_filters, 2, activation=False, device=device, dtype=dtype, operations=operations),
+                FilmConv2d(in_channels + (increase or num_filters), num_filters, 3, device=device, dtype=dtype, operations=operations),
+                FilmConv2d(num_filters, num_filters, 3, device=device, dtype=dtype, operations=operations)]))
+            in_channels = num_filters
+            increase = _get_fusion_channels(i, filters) - num_filters // 2
+
+    def forward(self, pyramid):
+        net = pyramid[-1]
+        for k, layers in enumerate(self.convs):
+            i = len(self.convs) - 1 - k
+            net = layers[0](F.interpolate(net, size=pyramid[i].shape[2:4], mode="nearest"))
+            net = layers[2](layers[1](torch.cat([pyramid[i], net], dim=1)))
+        return self.output_conv(net)
+
+
+class FILMNet(nn.Module):
+    def __init__(self, pyramid_levels=7, fusion_pyramid_levels=5, specialized_levels=3, sub_levels=4,
+                 filters=64, flow_convs=(3, 3, 3, 3), flow_filters=(32, 64, 128, 256), device=None, dtype=None, operations=ops):
+        super().__init__()
+        self.pyramid_levels = pyramid_levels
+        self.fusion_pyramid_levels = fusion_pyramid_levels
+        self.extract = FeatureExtractor(3, filters, sub_levels, device=device, dtype=dtype, operations=operations)
+        self.predict_flow = PyramidFlowEstimator(filters, flow_convs, flow_filters, device=device, dtype=dtype, operations=operations)
+        self.fuse = Fusion(sub_levels, specialized_levels, filters, device=device, dtype=dtype, operations=operations)
+        self._warp_grids = {}
+
+    def get_dtype(self):
+        return self.extract.extract_sublevels.convs[0][0].conv.weight.dtype
+
+    def _build_warp_grids(self, H, W, device):
+        """Pre-compute warp grids for all pyramid levels."""
+        if (H, W) in self._warp_grids:
+            return
+        self._warp_grids = {}  # clear old resolution grids to prevent memory leaks
+        for _ in range(self.pyramid_levels):
+            self._warp_grids[(H, W)] = (
+                torch.linspace(-(1 - 1 / W), 1 - 1 / W, W, dtype=torch.float32, device=device),
+                torch.linspace(-(1 - 1 / H), 1 - 1 / H, H, dtype=torch.float32, device=device),
+            )
+            H, W = H // 2, W // 2
+
+    def warp(self, image, flow):
+        grid_x, grid_y = self._warp_grids[(flow.shape[2], flow.shape[3])]
+        return _warp_core(image, flow, grid_x, grid_y)
+
+    def extract_features(self, img):
+        """Extract image and feature pyramids for a single frame. Can be cached across pairs."""
+        image_pyramid = build_image_pyramid(img, self.pyramid_levels)
+        feature_pyramid = self.extract(image_pyramid)
+        return image_pyramid, feature_pyramid
+
+    def forward(self, img0, img1, timestep=0.5, cache=None):
+        # FILM uses a scalar timestep per batch element (spatially-varying timesteps not supported)
+        t = timestep.mean(dim=(1, 2, 3)).item() if isinstance(timestep, torch.Tensor) else timestep
+        return self.forward_multi_timestep(img0, img1, [t], cache=cache)
+
+    def forward_multi_timestep(self, img0, img1, timesteps, cache=None):
+        """Compute flow once, synthesize at multiple timesteps. Expects batch=1 inputs."""
+        self._build_warp_grids(img0.shape[2], img0.shape[3], img0.device)
+
+        image_pyr0, feat_pyr0 = cache["img0"] if cache and "img0" in cache else self.extract_features(img0)
+        image_pyr1, feat_pyr1 = cache["img1"] if cache and "img1" in cache else self.extract_features(img1)
+
+        fwd_flow = flow_pyramid_synthesis(self.predict_flow(feat_pyr0, feat_pyr1, self.warp))[:self.fusion_pyramid_levels]
+        bwd_flow = flow_pyramid_synthesis(self.predict_flow(feat_pyr1, feat_pyr0, self.warp))[:self.fusion_pyramid_levels]
+
+        # Build warp targets and free full pyramids (only first fpl levels needed from here)
+        fpl = self.fusion_pyramid_levels
+        p2w = [concatenate_pyramids(image_pyr0[:fpl], feat_pyr0[:fpl]),
+               concatenate_pyramids(image_pyr1[:fpl], feat_pyr1[:fpl])]
+        del image_pyr0, image_pyr1, feat_pyr0, feat_pyr1
+
+        results = []
+        dt_tensors = torch.tensor(timesteps, device=img0.device, dtype=img0.dtype)
+        for idx in range(len(timesteps)):
+            batch_dt = dt_tensors[idx:idx + 1]
+            bwd_scaled = multiply_pyramid(bwd_flow, batch_dt)
+            fwd_scaled = multiply_pyramid(fwd_flow, 1 - batch_dt)
+            fwd_warped = pyramid_warp(p2w[0], bwd_scaled, self.warp)
+            bwd_warped = pyramid_warp(p2w[1], fwd_scaled, self.warp)
+            aligned = [torch.cat([fw, bw, bf, ff], dim=1)
+                       for fw, bw, bf, ff in zip(fwd_warped, bwd_warped, bwd_scaled, fwd_scaled)]
+            del fwd_warped, bwd_warped, bwd_scaled, fwd_scaled
+            results.append(self.fuse(aligned))
+            del aligned
+        return torch.cat(results, dim=0)

comfy_extras/frame_interpolation_models/ifnet.py

@@ -0,0 +1,128 @@
+import torch
+import torch.nn as nn
+import torch.nn.functional as F
+
+import comfy.ops
+
+ops = comfy.ops.disable_weight_init
+
+
+def _warp(img, flow, warp_grids):
+    B, _, H, W = img.shape
+    base_grid, flow_div = warp_grids[(H, W)]
+    flow_norm = torch.cat([flow[:, 0:1] / flow_div[0], flow[:, 1:2] / flow_div[1]], 1).float()
+    grid = (base_grid.expand(B, -1, -1, -1) + flow_norm).permute(0, 2, 3, 1)
+    return F.grid_sample(img.float(), grid, mode="bilinear", padding_mode="border", align_corners=True).to(img.dtype)
+
+
+class Head(nn.Module):
+    def __init__(self, out_ch=4, device=None, dtype=None, operations=ops):
+        super().__init__()
+        self.cnn0 = operations.Conv2d(3, 16, 3, 2, 1, device=device, dtype=dtype)
+        self.cnn1 = operations.Conv2d(16, 16, 3, 1, 1, device=device, dtype=dtype)
+        self.cnn2 = operations.Conv2d(16, 16, 3, 1, 1, device=device, dtype=dtype)
+        self.cnn3 = operations.ConvTranspose2d(16, out_ch, 4, 2, 1, device=device, dtype=dtype)
+        self.relu = nn.LeakyReLU(0.2, True)
+
+    def forward(self, x):
+        x = self.relu(self.cnn0(x))
+        x = self.relu(self.cnn1(x))
+        x = self.relu(self.cnn2(x))
+        return self.cnn3(x)
+
+
+class ResConv(nn.Module):
+    def __init__(self, c, device=None, dtype=None, operations=ops):
+        super().__init__()
+        self.conv = operations.Conv2d(c, c, 3, 1, 1, device=device, dtype=dtype)
+        self.beta = nn.Parameter(torch.ones((1, c, 1, 1), device=device, dtype=dtype))
+        self.relu = nn.LeakyReLU(0.2, True)
+
+    def forward(self, x):
+        return self.relu(torch.addcmul(x, self.conv(x), self.beta))
+
+
+class IFBlock(nn.Module):
+    def __init__(self, in_planes, c=64, device=None, dtype=None, operations=ops):
+        super().__init__()
+        self.conv0 = nn.Sequential(
+            nn.Sequential(operations.Conv2d(in_planes, c // 2, 3, 2, 1, device=device, dtype=dtype), nn.LeakyReLU(0.2, True)),
+            nn.Sequential(operations.Conv2d(c // 2, c, 3, 2, 1, device=device, dtype=dtype), nn.LeakyReLU(0.2, True)))
+        self.convblock = nn.Sequential(*(ResConv(c, device=device, dtype=dtype, operations=operations) for _ in range(8)))
+        self.lastconv = nn.Sequential(operations.ConvTranspose2d(c, 4 * 13, 4, 2, 1, device=device, dtype=dtype), nn.PixelShuffle(2))
+
+    def forward(self, x, flow=None, scale=1):
+        x = F.interpolate(x, scale_factor=1.0 / scale, mode="bilinear")
+        if flow is not None:
+            flow = F.interpolate(flow, scale_factor=1.0 / scale, mode="bilinear").div_(scale)
+            x = torch.cat((x, flow), 1)
+        feat = self.convblock(self.conv0(x))
+        tmp = F.interpolate(self.lastconv(feat), scale_factor=scale, mode="bilinear")
+        return tmp[:, :4] * scale, tmp[:, 4:5], tmp[:, 5:]
+
+
+class IFNet(nn.Module):
+    def __init__(self, head_ch=4, channels=(192, 128, 96, 64, 32), device=None, dtype=None, operations=ops):
+        super().__init__()
+        self.encode = Head(out_ch=head_ch, device=device, dtype=dtype, operations=operations)
+        block_in = [7 + 2 * head_ch] + [8 + 4 + 8 + 2 * head_ch] * 4
+        self.blocks = nn.ModuleList([IFBlock(block_in[i], channels[i], device=device, dtype=dtype, operations=operations) for i in range(5)])
+        self.scale_list = [16, 8, 4, 2, 1]
+        self.pad_align = 64
+        self._warp_grids = {}
+
+    def get_dtype(self):
+        return self.encode.cnn0.weight.dtype
+
+    def _build_warp_grids(self, H, W, device):
+        if (H, W) in self._warp_grids:
+            return
+        self._warp_grids = {}  # clear old resolution grids to prevent memory leaks
+        grid_y, grid_x = torch.meshgrid(
+            torch.linspace(-1.0, 1.0, H, device=device, dtype=torch.float32),
+            torch.linspace(-1.0, 1.0, W, device=device, dtype=torch.float32), indexing="ij")
+        self._warp_grids[(H, W)] = (
+            torch.stack((grid_x, grid_y), dim=0).unsqueeze(0),
+            torch.tensor([(W - 1.0) / 2.0, (H - 1.0) / 2.0], dtype=torch.float32, device=device))
+
+    def warp(self, img, flow):
+        return _warp(img, flow, self._warp_grids)
+
+    def extract_features(self, img):
+        """Extract head features for a single frame. Can be cached across pairs."""
+        return self.encode(img)
+
+    def forward(self, img0, img1, timestep=0.5, cache=None):
+        if not isinstance(timestep, torch.Tensor):
+            timestep = torch.full((img0.shape[0], 1, img0.shape[2], img0.shape[3]), timestep, device=img0.device, dtype=img0.dtype)
+
+        self._build_warp_grids(img0.shape[2], img0.shape[3], img0.device)
+
+        B = img0.shape[0]
+        f0 = cache["img0"].expand(B, -1, -1, -1) if cache and "img0" in cache else self.encode(img0)
+        f1 = cache["img1"].expand(B, -1, -1, -1) if cache and "img1" in cache else self.encode(img1)
+        flow = mask = feat = None
+        warped_img0, warped_img1 = img0, img1
+        for i, block in enumerate(self.blocks):
+            if flow is None:
+                flow, mask, feat = block(torch.cat((img0, img1, f0, f1, timestep), 1), None, scale=self.scale_list[i])
+            else:
+                fd, mask, feat = block(
+                    torch.cat((warped_img0, warped_img1, self.warp(f0, flow[:, :2]), self.warp(f1, flow[:, 2:4]), timestep, mask, feat), 1),
+                    flow, scale=self.scale_list[i])
+                flow = flow.add_(fd)
+            warped_img0 = self.warp(img0, flow[:, :2])
+            warped_img1 = self.warp(img1, flow[:, 2:4])
+        return torch.lerp(warped_img1, warped_img0, torch.sigmoid(mask))
+
+
+def detect_rife_config(state_dict):
+    head_ch = state_dict["encode.cnn3.weight"].shape[1]  # ConvTranspose2d: (in_ch, out_ch, kH, kW)
+    channels = []
+    for i in range(5):
+        key = f"blocks.{i}.conv0.1.0.weight"
+        if key in state_dict:
+            channels.append(state_dict[key].shape[0])
+    if len(channels) != 5:
+        raise ValueError(f"Unsupported RIFE model: expected 5 blocks, found {len(channels)}")
+    return head_ch, channels

comfy_extras/nodes_ace.py

@@ -3,136 +3,136 @@ from typing_extensions import override
 
 import comfy.model_management
 import node_helpers
-from comfy_api.latest import ComfyExtension, io
+from comfy_api.latest import ComfyExtension, IO
 
 
-class TextEncodeAceStepAudio(io.ComfyNode):
+class TextEncodeAceStepAudio(IO.ComfyNode):
     @classmethod
     def define_schema(cls):
-        return io.Schema(
+        return IO.Schema(
             node_id="TextEncodeAceStepAudio",
             category="conditioning",
             inputs=[
-                io.Clip.Input("clip"),
-                io.String.Input("tags", multiline=True, dynamic_prompts=True),
-                io.String.Input("lyrics", multiline=True, dynamic_prompts=True),
-                io.Float.Input("lyrics_strength", default=1.0, min=0.0, max=10.0, step=0.01),
+                IO.Clip.Input("clip"),
+                IO.String.Input("tags", multiline=True, dynamic_prompts=True),
+                IO.String.Input("lyrics", multiline=True, dynamic_prompts=True),
+                IO.Float.Input("lyrics_strength", default=1.0, min=0.0, max=10.0, step=0.01),
             ],
-            outputs=[io.Conditioning.Output()],
+            outputs=[IO.Conditioning.Output()],
         )
 
     @classmethod
-    def execute(cls, clip, tags, lyrics, lyrics_strength) -> io.NodeOutput:
+    def execute(cls, clip, tags, lyrics, lyrics_strength) -> IO.NodeOutput:
         tokens = clip.tokenize(tags, lyrics=lyrics)
         conditioning = clip.encode_from_tokens_scheduled(tokens)
         conditioning = node_helpers.conditioning_set_values(conditioning, {"lyrics_strength": lyrics_strength})
-        return io.NodeOutput(conditioning)
+        return IO.NodeOutput(conditioning)
 
-class TextEncodeAceStepAudio15(io.ComfyNode):
+class TextEncodeAceStepAudio15(IO.ComfyNode):
     @classmethod
     def define_schema(cls):
-        return io.Schema(
+        return IO.Schema(
             node_id="TextEncodeAceStepAudio1.5",
             category="conditioning",
             inputs=[
-                io.Clip.Input("clip"),
-                io.String.Input("tags", multiline=True, dynamic_prompts=True),
-                io.String.Input("lyrics", multiline=True, dynamic_prompts=True),
-                io.Int.Input("seed", default=0, min=0, max=0xffffffffffffffff, control_after_generate=True),
-                io.Int.Input("bpm", default=120, min=10, max=300),
-                io.Float.Input("duration", default=120.0, min=0.0, max=2000.0, step=0.1),
-                io.Combo.Input("timesignature", options=['2', '3', '4', '6']),
-                io.Combo.Input("language", options=["en", "ja", "zh", "es", "de", "fr", "pt", "ru", "it", "nl", "pl", "tr", "vi", "cs", "fa", "id", "ko", "uk", "hu", "ar", "sv", "ro", "el"]),
-                io.Combo.Input("keyscale", options=[f"{root} {quality}" for quality in ["major", "minor"] for root in ["C", "C#", "Db", "D", "D#", "Eb", "E", "F", "F#", "Gb", "G", "G#", "Ab", "A", "A#", "Bb", "B"]]),
-                io.Boolean.Input("generate_audio_codes", default=True, tooltip="Enable the LLM that generates audio codes. This can be slow but will increase the quality of the generated audio. Turn this off if you are giving the model an audio reference.", advanced=True),
-                io.Float.Input("cfg_scale", default=2.0, min=0.0, max=100.0, step=0.1, advanced=True),
-                io.Float.Input("temperature", default=0.85, min=0.0, max=2.0, step=0.01, advanced=True),
-                io.Float.Input("top_p", default=0.9, min=0.0, max=2000.0, step=0.01, advanced=True),
-                io.Int.Input("top_k", default=0, min=0, max=100, advanced=True),
-                io.Float.Input("min_p", default=0.000, min=0.0, max=1.0, step=0.001, advanced=True),
+                IO.Clip.Input("clip"),
+                IO.String.Input("tags", multiline=True, dynamic_prompts=True),
+                IO.String.Input("lyrics", multiline=True, dynamic_prompts=True),
+                IO.Int.Input("seed", default=0, min=0, max=0xffffffffffffffff, control_after_generate=True),
+                IO.Int.Input("bpm", default=120, min=10, max=300),
+                IO.Float.Input("duration", default=120.0, min=0.0, max=2000.0, step=0.1),
+                IO.Combo.Input("timesignature", options=['2', '3', '4', '6']),
+                IO.Combo.Input("language", options=["en", "ja", "zh", "es", "de", "fr", "pt", "ru", "it", "nl", "pl", "tr", "vi", "cs", "fa", "id", "ko", "uk", "hu", "ar", "sv", "ro", "el"]),
+                IO.Combo.Input("keyscale", options=[f"{root} {quality}" for quality in ["major", "minor"] for root in ["C", "C#", "Db", "D", "D#", "Eb", "E", "F", "F#", "Gb", "G", "G#", "Ab", "A", "A#", "Bb", "B"]]),
+                IO.Boolean.Input("generate_audio_codes", default=True, tooltip="Enable the LLM that generates audio codes. This can be slow but will increase the quality of the generated audio. Turn this off if you are giving the model an audio reference.", advanced=True),
+                IO.Float.Input("cfg_scale", default=2.0, min=0.0, max=100.0, step=0.1, advanced=True),
+                IO.Float.Input("temperature", default=0.85, min=0.0, max=2.0, step=0.01, advanced=True),
+                IO.Float.Input("top_p", default=0.9, min=0.0, max=2000.0, step=0.01, advanced=True),
+                IO.Int.Input("top_k", default=0, min=0, max=100, advanced=True),
+                IO.Float.Input("min_p", default=0.000, min=0.0, max=1.0, step=0.001, advanced=True),
             ],
-            outputs=[io.Conditioning.Output()],
+            outputs=[IO.Conditioning.Output()],
         )
 
     @classmethod
-    def execute(cls, clip, tags, lyrics, seed, bpm, duration, timesignature, language, keyscale, generate_audio_codes, cfg_scale, temperature, top_p, top_k, min_p) -> io.NodeOutput:
+    def execute(cls, clip, tags, lyrics, seed, bpm, duration, timesignature, language, keyscale, generate_audio_codes, cfg_scale, temperature, top_p, top_k, min_p) -> IO.NodeOutput:
         tokens = clip.tokenize(tags, lyrics=lyrics, bpm=bpm, duration=duration, timesignature=int(timesignature), language=language, keyscale=keyscale, seed=seed, generate_audio_codes=generate_audio_codes, cfg_scale=cfg_scale, temperature=temperature, top_p=top_p, top_k=top_k, min_p=min_p)
         conditioning = clip.encode_from_tokens_scheduled(tokens)
-        return io.NodeOutput(conditioning)
+        return IO.NodeOutput(conditioning)
 
 
-class EmptyAceStepLatentAudio(io.ComfyNode):
+class EmptyAceStepLatentAudio(IO.ComfyNode):
     @classmethod
     def define_schema(cls):
-        return io.Schema(
+        return IO.Schema(
             node_id="EmptyAceStepLatentAudio",
             display_name="Empty Ace Step 1.0 Latent Audio",
             category="latent/audio",
             inputs=[
-                io.Float.Input("seconds", default=120.0, min=1.0, max=1000.0, step=0.1),
-                io.Int.Input(
+                IO.Float.Input("seconds", default=120.0, min=1.0, max=1000.0, step=0.1),
+                IO.Int.Input(
                     "batch_size", default=1, min=1, max=4096, tooltip="The number of latent images in the batch."
                 ),
             ],
-            outputs=[io.Latent.Output()],
+            outputs=[IO.Latent.Output()],
         )
 
     @classmethod
-    def execute(cls, seconds, batch_size) -> io.NodeOutput:
+    def execute(cls, seconds, batch_size) -> IO.NodeOutput:
         length = int(seconds * 44100 / 512 / 8)
         latent = torch.zeros([batch_size, 8, 16, length], device=comfy.model_management.intermediate_device(), dtype=comfy.model_management.intermediate_dtype())
-        return io.NodeOutput({"samples": latent, "type": "audio"})
+        return IO.NodeOutput({"samples": latent, "type": "audio"})
 
 
-class EmptyAceStep15LatentAudio(io.ComfyNode):
+class EmptyAceStep15LatentAudio(IO.ComfyNode):
     @classmethod
     def define_schema(cls):
-        return io.Schema(
+        return IO.Schema(
             node_id="EmptyAceStep1.5LatentAudio",
             display_name="Empty Ace Step 1.5 Latent Audio",
             category="latent/audio",
             inputs=[
-                io.Float.Input("seconds", default=120.0, min=1.0, max=1000.0, step=0.01),
-                io.Int.Input(
+                IO.Float.Input("seconds", default=120.0, min=1.0, max=1000.0, step=0.01),
+                IO.Int.Input(
                     "batch_size", default=1, min=1, max=4096, tooltip="The number of latent images in the batch."
                 ),
             ],
-            outputs=[io.Latent.Output()],
+            outputs=[IO.Latent.Output()],
         )
 
     @classmethod
-    def execute(cls, seconds, batch_size) -> io.NodeOutput:
+    def execute(cls, seconds, batch_size) -> IO.NodeOutput:
         length = round((seconds * 48000 / 1920))
         latent = torch.zeros([batch_size, 64, length], device=comfy.model_management.intermediate_device(), dtype=comfy.model_management.intermediate_dtype())
-        return io.NodeOutput({"samples": latent, "type": "audio"})
+        return IO.NodeOutput({"samples": latent, "type": "audio"})
 
-class ReferenceAudio(io.ComfyNode):
+class ReferenceAudio(IO.ComfyNode):
     @classmethod
     def define_schema(cls):
-        return io.Schema(
+        return IO.Schema(
             node_id="ReferenceTimbreAudio",
             display_name="Reference Audio",
             category="advanced/conditioning/audio",
             is_experimental=True,
             description="This node sets the reference audio for ace step 1.5",
             inputs=[
-                io.Conditioning.Input("conditioning"),
-                io.Latent.Input("latent", optional=True),
+                IO.Conditioning.Input("conditioning"),
+                IO.Latent.Input("latent", optional=True),
             ],
             outputs=[
-                io.Conditioning.Output(),
+                IO.Conditioning.Output(),
             ]
         )
 
     @classmethod
-    def execute(cls, conditioning, latent=None) -> io.NodeOutput:
+    def execute(cls, conditioning, latent=None) -> IO.NodeOutput:
         if latent is not None:
             conditioning = node_helpers.conditioning_set_values(conditioning, {"reference_audio_timbre_latents": [latent["samples"]]}, append=True)
-        return io.NodeOutput(conditioning)
+        return IO.NodeOutput(conditioning)
 
 class AceExtension(ComfyExtension):
     @override
-    async def get_node_list(self) -> list[type[io.ComfyNode]]:
+    async def get_node_list(self) -> list[type[IO.ComfyNode]]:
         return [
             TextEncodeAceStepAudio,
             EmptyAceStepLatentAudio,

comfy_extras/nodes_audio.py

@@ -104,7 +104,7 @@ def vae_decode_audio(vae, samples, tile=None, overlap=None):
     std = torch.std(audio, dim=[1, 2], keepdim=True) * 5.0
     std[std < 1.0] = 1.0
     audio /= std
-    vae_sample_rate = getattr(vae, "audio_sample_rate", 44100)
+    vae_sample_rate = getattr(vae, "audio_sample_rate_output", getattr(vae, "audio_sample_rate", 44100))
     return {"waveform": audio, "sample_rate": vae_sample_rate if "sample_rate" not in samples else samples["sample_rate"]}
 
 

comfy_extras/nodes_frame_interpolation.py

@@ -0,0 +1,211 @@
+import torch
+from tqdm import tqdm
+from typing_extensions import override
+
+import comfy.model_patcher
+import comfy.utils
+import folder_paths
+from comfy import model_management
+from comfy_extras.frame_interpolation_models.ifnet import IFNet, detect_rife_config
+from comfy_extras.frame_interpolation_models.film_net import FILMNet
+from comfy_api.latest import ComfyExtension, io
+
+FrameInterpolationModel = io.Custom("INTERP_MODEL")
+
+
+class FrameInterpolationModelLoader(io.ComfyNode):
+    @classmethod
+    def define_schema(cls):
+        return io.Schema(
+            node_id="FrameInterpolationModelLoader",
+            display_name="Load Frame Interpolation Model",
+            category="loaders",
+            inputs=[
+                io.Combo.Input("model_name", options=folder_paths.get_filename_list("frame_interpolation"),
+                               tooltip="Select a frame interpolation model to load. Models must be placed in the 'frame_interpolation' folder."),
+            ],
+            outputs=[
+                FrameInterpolationModel.Output(),
+            ],
+        )
+
+    @classmethod
+    def execute(cls, model_name) -> io.NodeOutput:
+        model_path = folder_paths.get_full_path_or_raise("frame_interpolation", model_name)
+        sd = comfy.utils.load_torch_file(model_path, safe_load=True)
+
+        model = cls._detect_and_load(sd)
+        dtype = torch.float16 if model_management.should_use_fp16(model_management.get_torch_device()) else torch.float32
+        model.eval().to(dtype)
+        patcher = comfy.model_patcher.ModelPatcher(
+            model,
+            load_device=model_management.get_torch_device(),
+            offload_device=model_management.unet_offload_device(),
+        )
+        return io.NodeOutput(patcher)
+
+    @classmethod
+    def _detect_and_load(cls, sd):
+        # Try FILM
+        if "extract.extract_sublevels.convs.0.0.conv.weight" in sd:
+            model = FILMNet()
+            model.load_state_dict(sd)
+            return model
+
+        # Try RIFE (needs key remapping for raw checkpoints)
+        sd = comfy.utils.state_dict_prefix_replace(sd, {"module.": "", "flownet.": ""})
+        key_map = {}
+        for k in sd:
+            for i in range(5):
+                if k.startswith(f"block{i}."):
+                    key_map[k] = f"blocks.{i}.{k[len(f'block{i}.'):]}"
+        if key_map:
+            sd = {key_map.get(k, k): v for k, v in sd.items()}
+        sd = {k: v for k, v in sd.items() if not k.startswith(("teacher.", "caltime."))}
+
+        try:
+            head_ch, channels = detect_rife_config(sd)
+        except (KeyError, ValueError):
+            raise ValueError("Unrecognized frame interpolation model format")
+        model = IFNet(head_ch=head_ch, channels=channels)
+        model.load_state_dict(sd)
+        return model
+
+
+class FrameInterpolate(io.ComfyNode):
+    @classmethod
+    def define_schema(cls):
+        return io.Schema(
+            node_id="FrameInterpolate",
+            display_name="Frame Interpolate",
+            category="image/video",
+            search_aliases=["rife", "film", "frame interpolation", "slow motion", "interpolate frames", "vfi"],
+            inputs=[
+                FrameInterpolationModel.Input("interp_model"),
+                io.Image.Input("images"),
+                io.Int.Input("multiplier", default=2, min=2, max=16),
+            ],
+            outputs=[
+                io.Image.Output(),
+            ],
+        )
+
+    @classmethod
+    def execute(cls, interp_model, images, multiplier) -> io.NodeOutput:
+        offload_device = model_management.intermediate_device()
+
+        num_frames = images.shape[0]
+        if num_frames < 2 or multiplier < 2:
+            return io.NodeOutput(images)
+
+        model_management.load_model_gpu(interp_model)
+        device = interp_model.load_device
+        dtype = interp_model.model_dtype()
+        inference_model = interp_model.model
+
+        # Free VRAM for inference activations (model weights + ~20x a single frame's worth)
+        H, W = images.shape[1], images.shape[2]
+        activation_mem = H * W * 3 * images.element_size() * 20
+        model_management.free_memory(activation_mem, device)
+        align = getattr(inference_model, "pad_align", 1)
+
+        # Prepare a single padded frame on device for determining output dimensions
+        def prepare_frame(idx):
+            frame = images[idx:idx + 1].movedim(-1, 1).to(dtype=dtype, device=device)
+            if align > 1:
+                from comfy.ldm.common_dit import pad_to_patch_size
+                frame = pad_to_patch_size(frame, (align, align), padding_mode="reflect")
+            return frame
+
+        # Count total interpolation passes for progress bar
+        total_pairs = num_frames - 1
+        num_interp = multiplier - 1
+        total_steps = total_pairs * num_interp
+        pbar = comfy.utils.ProgressBar(total_steps)
+        tqdm_bar = tqdm(total=total_steps, desc="Frame interpolation")
+
+        batch = num_interp  # reduced on OOM and persists across pairs (same resolution = same limit)
+        t_values = [t / multiplier for t in range(1, multiplier)]
+
+        out_dtype = model_management.intermediate_dtype()
+        total_out_frames = total_pairs * multiplier + 1
+        result = torch.empty((total_out_frames, 3, H, W), dtype=out_dtype, device=offload_device)
+        result[0] = images[0].movedim(-1, 0).to(out_dtype)
+        out_idx = 1
+
+        # Pre-compute timestep tensor on device (padded dimensions needed)
+        sample = prepare_frame(0)
+        pH, pW = sample.shape[2], sample.shape[3]
+        ts_full = torch.tensor(t_values, device=device, dtype=dtype).reshape(num_interp, 1, 1, 1)
+        ts_full = ts_full.expand(-1, 1, pH, pW)
+        del sample
+
+        multi_fn = getattr(inference_model, "forward_multi_timestep", None)
+        feat_cache = {}
+        prev_frame = None
+
+        try:
+            for i in range(total_pairs):
+                img0_single = prev_frame if prev_frame is not None else prepare_frame(i)
+                img1_single = prepare_frame(i + 1)
+                prev_frame = img1_single
+
+                # Cache features: img1 of pair N becomes img0 of pair N+1
+                feat_cache["img0"] = feat_cache.pop("next") if "next" in feat_cache else inference_model.extract_features(img0_single)
+                feat_cache["img1"] = inference_model.extract_features(img1_single)
+                feat_cache["next"] = feat_cache["img1"]
+
+                used_multi = False
+                if multi_fn is not None:
+                    # Models with timestep-independent flow can compute it once for all timesteps
+                    try:
+                        mids = multi_fn(img0_single, img1_single, t_values, cache=feat_cache)
+                        result[out_idx:out_idx + num_interp] = mids[:, :, :H, :W].to(out_dtype)
+                        out_idx += num_interp
+                        pbar.update(num_interp)
+                        tqdm_bar.update(num_interp)
+                        used_multi = True
+                    except model_management.OOM_EXCEPTION:
+                        model_management.soft_empty_cache()
+                        multi_fn = None  # fall through to single-timestep path
+
+                if not used_multi:
+                    j = 0
+                    while j < num_interp:
+                        b = min(batch, num_interp - j)
+                        try:
+                            img0 = img0_single.expand(b, -1, -1, -1)
+                            img1 = img1_single.expand(b, -1, -1, -1)
+                            mids = inference_model(img0, img1, timestep=ts_full[j:j + b], cache=feat_cache)
+                            result[out_idx:out_idx + b] = mids[:, :, :H, :W].to(out_dtype)
+                            out_idx += b
+                            pbar.update(b)
+                            tqdm_bar.update(b)
+                            j += b
+                        except model_management.OOM_EXCEPTION:
+                            if batch <= 1:
+                                raise
+                            batch = max(1, batch // 2)
+                            model_management.soft_empty_cache()
+
+                result[out_idx] = images[i + 1].movedim(-1, 0).to(out_dtype)
+                out_idx += 1
+        finally:
+            tqdm_bar.close()
+
+        # BCHW -> BHWC
+        result = result.movedim(1, -1).clamp_(0.0, 1.0)
+        return io.NodeOutput(result)
+
+
+class FrameInterpolationExtension(ComfyExtension):
+    @override
+    async def get_node_list(self) -> list[type[io.ComfyNode]]:
+        return [
+            FrameInterpolationModelLoader,
+            FrameInterpolate,
+        ]
+
+
+async def comfy_entrypoint() -> FrameInterpolationExtension:
+    return FrameInterpolationExtension()

comfy_extras/nodes_lt.py

@@ -1,6 +1,7 @@
 import nodes
 import node_helpers
 import torch
+import torchaudio
 import comfy.model_management
 import comfy.model_sampling
 import comfy.samplers
@@ -711,7 +712,14 @@ class LTXVReferenceAudio(io.ComfyNode):
     @classmethod
     def execute(cls, model, positive, negative, reference_audio, audio_vae, identity_guidance_scale, start_percent, end_percent) -> io.NodeOutput:
         # Encode reference audio to latents and patchify
-        audio_latents = audio_vae.encode(reference_audio)
+        sample_rate = reference_audio["sample_rate"]
+        vae_sample_rate = getattr(audio_vae, "audio_sample_rate", 44100)
+        if vae_sample_rate != sample_rate:
+            waveform = torchaudio.functional.resample(reference_audio["waveform"], sample_rate, vae_sample_rate)
+        else:
+            waveform = reference_audio["waveform"]
+
+        audio_latents = audio_vae.encode(waveform.movedim(1, -1))
         b, c, t, f = audio_latents.shape
         ref_tokens = audio_latents.permute(0, 2, 1, 3).reshape(b, t, c * f)
         ref_audio = {"tokens": ref_tokens}

comfy_extras/nodes_lt_audio.py

@@ -3,9 +3,8 @@ import comfy.utils
 import comfy.model_management
 import torch
 
-from comfy.ldm.lightricks.vae.audio_vae import AudioVAE
 from comfy_api.latest import ComfyExtension, io
-
+from comfy_extras.nodes_audio import VAEEncodeAudio
 
 class LTXVAudioVAELoader(io.ComfyNode):
     @classmethod
@@ -28,10 +27,14 @@ class LTXVAudioVAELoader(io.ComfyNode):
     def execute(cls, ckpt_name: str) -> io.NodeOutput:
         ckpt_path = folder_paths.get_full_path_or_raise("checkpoints", ckpt_name)
         sd, metadata = comfy.utils.load_torch_file(ckpt_path, return_metadata=True)
-        return io.NodeOutput(AudioVAE(sd, metadata))
+        sd = comfy.utils.state_dict_prefix_replace(sd, {"audio_vae.": "autoencoder.", "vocoder.": "vocoder."}, filter_keys=True)
+        vae = comfy.sd.VAE(sd=sd, metadata=metadata)
+        vae.throw_exception_if_invalid()
+
+        return io.NodeOutput(vae)
 
 
-class LTXVAudioVAEEncode(io.ComfyNode):
+class LTXVAudioVAEEncode(VAEEncodeAudio):
     @classmethod
     def define_schema(cls) -> io.Schema:
         return io.Schema(
@@ -50,15 +53,8 @@ class LTXVAudioVAEEncode(io.ComfyNode):
         )
 
     @classmethod
-    def execute(cls, audio, audio_vae: AudioVAE) -> io.NodeOutput:
-        audio_latents = audio_vae.encode(audio)
-        return io.NodeOutput(
-            {
-                "samples": audio_latents,
-                "sample_rate": int(audio_vae.sample_rate),
-                "type": "audio",
-            }
-        )
+    def execute(cls, audio, audio_vae) -> io.NodeOutput:
+        return super().execute(audio_vae, audio)
 
 
 class LTXVAudioVAEDecode(io.ComfyNode):
@@ -80,12 +76,12 @@ class LTXVAudioVAEDecode(io.ComfyNode):
         )
 
     @classmethod
-    def execute(cls, samples, audio_vae: AudioVAE) -> io.NodeOutput:
+    def execute(cls, samples, audio_vae) -> io.NodeOutput:
         audio_latent = samples["samples"]
         if audio_latent.is_nested:
             audio_latent = audio_latent.unbind()[-1]
-        audio = audio_vae.decode(audio_latent).to(audio_latent.device)
-        output_audio_sample_rate = audio_vae.output_sample_rate
+        audio = audio_vae.decode(audio_latent).movedim(-1, 1).to(audio_latent.device)
+        output_audio_sample_rate = audio_vae.first_stage_model.output_sample_rate
         return io.NodeOutput(
             {
                 "waveform": audio,
@@ -143,17 +139,17 @@ class LTXVEmptyLatentAudio(io.ComfyNode):
         frames_number: int,
         frame_rate: int,
         batch_size: int,
-        audio_vae: AudioVAE,
+        audio_vae,
     ) -> io.NodeOutput:
         """Generate empty audio latents matching the reference pipeline structure."""
 
         assert audio_vae is not None, "Audio VAE model is required"
 
         z_channels = audio_vae.latent_channels
-        audio_freq = audio_vae.latent_frequency_bins
-        sampling_rate = int(audio_vae.sample_rate)
+        audio_freq = audio_vae.first_stage_model.latent_frequency_bins
+        sampling_rate = int(audio_vae.first_stage_model.sample_rate)
 
-        num_audio_latents = audio_vae.num_of_latents_from_frames(frames_number, frame_rate)
+        num_audio_latents = audio_vae.first_stage_model.num_of_latents_from_frames(frames_number, frame_rate)
 
         audio_latents = torch.zeros(
             (batch_size, z_channels, num_audio_latents, audio_freq),

comfy_extras/nodes_model_patch.py

@@ -7,7 +7,10 @@ import comfy.model_management
 import comfy.ldm.common_dit
 import comfy.latent_formats
 import comfy.ldm.lumina.controlnet
+import comfy.ldm.supir.supir_modules
 from comfy.ldm.wan.model_multitalk import WanMultiTalkAttentionBlock, MultiTalkAudioProjModel
+from comfy_api.latest import io
+from comfy.ldm.supir.supir_patch import SUPIRPatch
 
 
 class BlockWiseControlBlock(torch.nn.Module):
@@ -266,6 +269,27 @@ class ModelPatchLoader:
                     out_dim=sd["audio_proj.norm.weight"].shape[0],
                     device=comfy.model_management.unet_offload_device(),
                     operations=comfy.ops.manual_cast)
+        elif 'model.control_model.input_hint_block.0.weight' in sd or 'control_model.input_hint_block.0.weight' in sd:
+            prefix_replace = {}
+            if 'model.control_model.input_hint_block.0.weight' in sd:
+                prefix_replace["model.control_model."] = "control_model."
+                prefix_replace["model.diffusion_model.project_modules."] = "project_modules."
+            else:
+                prefix_replace["control_model."] = "control_model."
+                prefix_replace["project_modules."] = "project_modules."
+
+            # Extract denoise_encoder weights before filter_keys discards them
+            de_prefix = "first_stage_model.denoise_encoder."
+            denoise_encoder_sd = {}
+            for k in list(sd.keys()):
+                if k.startswith(de_prefix):
+                    denoise_encoder_sd[k[len(de_prefix):]] = sd.pop(k)
+
+            sd = comfy.utils.state_dict_prefix_replace(sd, prefix_replace, filter_keys=True)
+            sd.pop("control_model.mask_LQ", None)
+            model = comfy.ldm.supir.supir_modules.SUPIR(device=comfy.model_management.unet_offload_device(), dtype=dtype, operations=comfy.ops.manual_cast)
+            if denoise_encoder_sd:
+                model.denoise_encoder_sd = denoise_encoder_sd
 
         model_patcher = comfy.model_patcher.CoreModelPatcher(model, load_device=comfy.model_management.get_torch_device(), offload_device=comfy.model_management.unet_offload_device())
         model.load_state_dict(sd, assign=model_patcher.is_dynamic())
@@ -565,9 +589,89 @@ class MultiTalkModelPatch(torch.nn.Module):
         )
 
 
+class SUPIRApply(io.ComfyNode):
+    @classmethod
+    def define_schema(cls) -> io.Schema:
+        return io.Schema(
+            node_id="SUPIRApply",
+            category="model_patches/supir",
+            is_experimental=True,
+            inputs=[
+                io.Model.Input("model"),
+                io.ModelPatch.Input("model_patch"),
+                io.Vae.Input("vae"),
+                io.Image.Input("image"),
+                io.Float.Input("strength_start", default=1.0, min=0.0, max=10.0, step=0.01,
+                               tooltip="Control strength at the start of sampling (high sigma)."),
+                io.Float.Input("strength_end", default=1.0, min=0.0, max=10.0, step=0.01,
+                               tooltip="Control strength at the end of sampling (low sigma). Linearly interpolated from start."),
+                io.Float.Input("restore_cfg", default=4.0, min=0.0, max=20.0, step=0.1, advanced=True,
+                               tooltip="Pulls denoised output toward the input latent. Higher = stronger fidelity to input. 0 to disable."),
+                io.Float.Input("restore_cfg_s_tmin", default=0.05, min=0.0, max=1.0, step=0.01, advanced=True,
+                               tooltip="Sigma threshold below which restore_cfg is disabled."),
+            ],
+            outputs=[io.Model.Output()],
+        )
+
+    @classmethod
+    def _encode_with_denoise_encoder(cls, vae, model_patch, image):
+        """Encode using denoise_encoder weights from SUPIR checkpoint if available."""
+        denoise_sd = getattr(model_patch.model, 'denoise_encoder_sd', None)
+        if not denoise_sd:
+            return vae.encode(image)
+
+        # Clone VAE patcher, apply denoise_encoder weights to clone, encode
+        orig_patcher = vae.patcher
+        vae.patcher = orig_patcher.clone()
+        patches = {f"encoder.{k}": (v,) for k, v in denoise_sd.items()}
+        vae.patcher.add_patches(patches, strength_patch=1.0, strength_model=0.0)
+        try:
+            return vae.encode(image)
+        finally:
+            vae.patcher = orig_patcher
+
+    @classmethod
+    def execute(cls, *, model: io.Model.Type, model_patch: io.ModelPatch.Type, vae: io.Vae.Type, image: io.Image.Type,
+                strength_start: float, strength_end: float, restore_cfg: float, restore_cfg_s_tmin: float) -> io.NodeOutput:
+        model_patched = model.clone()
+        hint_latent = model.get_model_object("latent_format").process_in(
+            cls._encode_with_denoise_encoder(vae, model_patch, image[:, :, :, :3]))
+        patch = SUPIRPatch(model_patch, model_patch.model.project_modules, hint_latent, strength_start, strength_end)
+        patch.register(model_patched)
+
+        if restore_cfg > 0.0:
+            # Round-trip to match original pipeline: decode hint, re-encode with regular VAE
+            latent_format = model.get_model_object("latent_format")
+            decoded = vae.decode(latent_format.process_out(hint_latent))
+            x_center = latent_format.process_in(vae.encode(decoded[:, :, :, :3]))
+            sigma_max = 14.6146
+
+            def restore_cfg_function(args):
+                denoised = args["denoised"]
+                sigma = args["sigma"]
+                if sigma.dim() > 0:
+                    s = sigma[0].item()
+                else:
+                    s = sigma.item()
+                if s > restore_cfg_s_tmin:
+                    ref = x_center.to(device=denoised.device, dtype=denoised.dtype)
+                    b = denoised.shape[0]
+                    if ref.shape[0] != b:
+                        ref = ref.expand(b, -1, -1, -1) if ref.shape[0] == 1 else ref.repeat((b + ref.shape[0] - 1) // ref.shape[0], 1, 1, 1)[:b]
+                    sigma_val = sigma.view(-1, 1, 1, 1) if sigma.dim() > 0 else sigma
+                    d_center = denoised - ref
+                    denoised = denoised - d_center * ((sigma_val / sigma_max) ** restore_cfg)
+                return denoised
+
+            model_patched.set_model_sampler_post_cfg_function(restore_cfg_function)
+
+        return io.NodeOutput(model_patched)
+
+
 NODE_CLASS_MAPPINGS = {
     "ModelPatchLoader": ModelPatchLoader,
     "QwenImageDiffsynthControlnet": QwenImageDiffsynthControlnet,
     "ZImageFunControlnet": ZImageFunControlnet,
     "USOStyleReference": USOStyleReference,
+    "SUPIRApply": SUPIRApply,
 }

comfy_extras/nodes_post_processing.py

@@ -6,6 +6,7 @@ from PIL import Image
 import math
 from enum import Enum
 from typing import TypedDict, Literal
+import kornia
 
 import comfy.utils
 import comfy.model_management
@@ -660,6 +661,228 @@ class BatchImagesMasksLatentsNode(io.ComfyNode):
         return io.NodeOutput(batched)
 
 
+class ColorTransfer(io.ComfyNode):
+    @classmethod
+    def define_schema(cls):
+        return io.Schema(
+            node_id="ColorTransfer",
+            category="image/postprocessing",
+            description="Match the colors of one image to another using various algorithms.",
+            search_aliases=["color match", "color grading", "color correction", "match colors", "color transform", "mkl", "reinhard", "histogram"],
+            inputs=[
+                io.Image.Input("image_target", tooltip="Image(s) to apply the color transform to."),
+                io.Image.Input("image_ref", optional=True, tooltip="Reference image(s) to match colors to. If not provided, processing is skipped"),
+                io.Combo.Input("method", options=['reinhard_lab', 'mkl_lab', 'histogram'],),
+                io.DynamicCombo.Input("source_stats",
+                    tooltip="per_frame: each frame matched to image_ref individually. uniform: pool stats across all source frames as baseline, match to image_ref. target_frame: use one chosen frame as the baseline for the transform to image_ref, applied uniformly to all frames (preserves relative differences)",
+                    options=[
+                        io.DynamicCombo.Option("per_frame", []),
+                        io.DynamicCombo.Option("uniform", []),
+                        io.DynamicCombo.Option("target_frame", [
+                            io.Int.Input("target_index", default=0, min=0, max=10000,
+                                tooltip="Frame index used as the source baseline for computing the transform to image_ref"),
+                        ]),
+                    ]),
+                io.Float.Input("strength", default=1.0, min=0.0, max=10.0, step=0.01),
+            ],
+            outputs=[
+                io.Image.Output(display_name="image"),
+            ],
+        )
+
+    @staticmethod
+    def _to_lab(images, i, device):
+        return kornia.color.rgb_to_lab(
+            images[i:i+1].to(device, dtype=torch.float32).permute(0, 3, 1, 2))
+
+    @staticmethod
+    def _pool_stats(images, device, is_reinhard, eps):
+        """Two-pass pooled mean + std/cov across all frames."""
+        N, C = images.shape[0], images.shape[3]
+        HW = images.shape[1] * images.shape[2]
+        mean = torch.zeros(C, 1, device=device, dtype=torch.float32)
+        for i in range(N):
+            mean += ColorTransfer._to_lab(images, i, device).view(C, -1).mean(dim=-1, keepdim=True)
+        mean /= N
+        acc = torch.zeros(C, 1 if is_reinhard else C, device=device, dtype=torch.float32)
+        for i in range(N):
+            centered = ColorTransfer._to_lab(images, i, device).view(C, -1) - mean
+            if is_reinhard:
+                acc += (centered * centered).mean(dim=-1, keepdim=True)
+            else:
+                acc += centered @ centered.T / HW
+        if is_reinhard:
+            return mean, torch.sqrt(acc / N).clamp_min_(eps)
+        return mean, acc / N
+
+    @staticmethod
+    def _frame_stats(lab_flat, hw, is_reinhard, eps):
+        """Per-frame mean + std/cov."""
+        mean = lab_flat.mean(dim=-1, keepdim=True)
+        if is_reinhard:
+            return mean, lab_flat.std(dim=-1, keepdim=True, unbiased=False).clamp_min_(eps)
+        centered = lab_flat - mean
+        return mean, centered @ centered.T / hw
+
+    @staticmethod
+    def _mkl_matrix(cov_s, cov_r, eps):
+        """Compute MKL 3x3 transform matrix from source and ref covariances."""
+        eig_val_s, eig_vec_s = torch.linalg.eigh(cov_s)
+        sqrt_val_s = torch.sqrt(eig_val_s.clamp_min(0)).clamp_min_(eps)
+
+        scaled_V = eig_vec_s * sqrt_val_s.unsqueeze(0)
+        mid = scaled_V.T @ cov_r @ scaled_V
+        eig_val_m, eig_vec_m = torch.linalg.eigh(mid)
+        sqrt_m = torch.sqrt(eig_val_m.clamp_min(0))
+
+        inv_sqrt_s = 1.0 / sqrt_val_s
+        inv_scaled_V = eig_vec_s * inv_sqrt_s.unsqueeze(0)
+        M_half = (eig_vec_m * sqrt_m.unsqueeze(0)) @ eig_vec_m.T
+        return inv_scaled_V @ M_half @ inv_scaled_V.T
+
+    @staticmethod
+    def _histogram_lut(src, ref, bins=256):
+        """Build per-channel LUT from source and ref histograms. src/ref: (C, HW) in [0,1]."""
+        s_bins = (src * (bins - 1)).long().clamp(0, bins - 1)
+        r_bins = (ref * (bins - 1)).long().clamp(0, bins - 1)
+        s_hist = torch.zeros(src.shape[0], bins, device=src.device, dtype=src.dtype)
+        r_hist = torch.zeros(src.shape[0], bins, device=src.device, dtype=src.dtype)
+        ones_s = torch.ones_like(src)
+        ones_r = torch.ones_like(ref)
+        s_hist.scatter_add_(1, s_bins, ones_s)
+        r_hist.scatter_add_(1, r_bins, ones_r)
+        s_cdf = s_hist.cumsum(1)
+        s_cdf = s_cdf / s_cdf[:, -1:]
+        r_cdf = r_hist.cumsum(1)
+        r_cdf = r_cdf / r_cdf[:, -1:]
+        return torch.searchsorted(r_cdf, s_cdf).clamp_max_(bins - 1).float() / (bins - 1)
+
+    @classmethod
+    def _pooled_cdf(cls, images, device, num_bins=256):
+        """Build pooled CDF across all frames, one frame at a time."""
+        C = images.shape[3]
+        hist = torch.zeros(C, num_bins, device=device, dtype=torch.float32)
+        for i in range(images.shape[0]):
+            frame = images[i].to(device, dtype=torch.float32).permute(2, 0, 1).reshape(C, -1)
+            bins = (frame * (num_bins - 1)).long().clamp(0, num_bins - 1)
+            hist.scatter_add_(1, bins, torch.ones_like(frame))
+        cdf = hist.cumsum(1)
+        return cdf / cdf[:, -1:]
+
+    @classmethod
+    def _build_histogram_transform(cls, image_target, image_ref, device, stats_mode, target_index, B):
+        """Build per-frame or uniform LUT transform for histogram mode."""
+        if stats_mode == 'per_frame':
+            return None  # LUT computed per-frame in the apply loop
+
+        r_cdf = cls._pooled_cdf(image_ref, device)
+        if stats_mode == 'target_frame':
+            ti = min(target_index, B - 1)
+            s_cdf = cls._pooled_cdf(image_target[ti:ti+1], device)
+        else:
+            s_cdf = cls._pooled_cdf(image_target, device)
+        return torch.searchsorted(r_cdf, s_cdf).clamp_max_(255).float() / 255.0
+
+    @classmethod
+    def _build_lab_transform(cls, image_target, image_ref, device, stats_mode, target_index, is_reinhard):
+        """Build transform parameters for Lab-based methods. Returns a transform function."""
+        eps = 1e-6
+        B, H, W, C = image_target.shape
+        B_ref = image_ref.shape[0]
+        single_ref = B_ref == 1
+        HW = H * W
+        HW_ref = image_ref.shape[1] * image_ref.shape[2]
+
+        # Precompute ref stats
+        if single_ref or stats_mode in ('uniform', 'target_frame'):
+            ref_mean, ref_sc = cls._pool_stats(image_ref, device, is_reinhard, eps)
+
+        # Uniform/target_frame: precompute single affine transform
+        if stats_mode in ('uniform', 'target_frame'):
+            if stats_mode == 'target_frame':
+                ti = min(target_index, B - 1)
+                s_lab = cls._to_lab(image_target, ti, device).view(C, -1)
+                s_mean, s_sc = cls._frame_stats(s_lab, HW, is_reinhard, eps)
+            else:
+                s_mean, s_sc = cls._pool_stats(image_target, device, is_reinhard, eps)
+
+            if is_reinhard:
+                scale = ref_sc / s_sc
+                offset = ref_mean - scale * s_mean
+                return lambda src_flat, **_: src_flat * scale + offset
+            T = cls._mkl_matrix(s_sc, ref_sc, eps)
+            offset = ref_mean - T @ s_mean
+            return lambda src_flat, **_: T @ src_flat + offset
+
+        # per_frame
+        def per_frame_transform(src_flat, frame_idx):
+            s_mean, s_sc = cls._frame_stats(src_flat, HW, is_reinhard, eps)
+
+            if single_ref:
+                r_mean, r_sc = ref_mean, ref_sc
+            else:
+                ri = min(frame_idx, B_ref - 1)
+                r_mean, r_sc = cls._frame_stats(cls._to_lab(image_ref, ri, device).view(C, -1), HW_ref, is_reinhard, eps)
+
+            centered = src_flat - s_mean
+            if is_reinhard:
+                return centered * (r_sc / s_sc) + r_mean
+            T = cls._mkl_matrix(centered @ centered.T / HW, r_sc, eps)
+            return T @ centered + r_mean
+
+        return per_frame_transform
+
+    @classmethod
+    def execute(cls, image_target, image_ref, method, source_stats, strength=1.0) -> io.NodeOutput:
+        stats_mode = source_stats["source_stats"]
+        target_index = source_stats.get("target_index", 0)
+
+        if strength == 0 or image_ref is None:
+            return io.NodeOutput(image_target)
+
+        device = comfy.model_management.get_torch_device()
+        intermediate_device = comfy.model_management.intermediate_device()
+        intermediate_dtype = comfy.model_management.intermediate_dtype()
+
+        B, H, W, C = image_target.shape
+        B_ref = image_ref.shape[0]
+        pbar = comfy.utils.ProgressBar(B)
+        out = torch.empty(B, H, W, C, device=intermediate_device, dtype=intermediate_dtype)
+
+        if method == 'histogram':
+            uniform_lut = cls._build_histogram_transform(
+                image_target, image_ref, device, stats_mode, target_index, B)
+
+            for i in range(B):
+                src = image_target[i].to(device, dtype=torch.float32).permute(2, 0, 1)
+                src_flat = src.reshape(C, -1)
+                if uniform_lut is not None:
+                    lut = uniform_lut
+                else:
+                    ri = min(i, B_ref - 1)
+                    ref = image_ref[ri].to(device, dtype=torch.float32).permute(2, 0, 1).reshape(C, -1)
+                    lut = cls._histogram_lut(src_flat, ref)
+                bin_idx = (src_flat * 255).long().clamp(0, 255)
+                matched = lut.gather(1, bin_idx).view(C, H, W)
+                result = matched if strength == 1.0 else torch.lerp(src, matched, strength)
+                out[i] = result.permute(1, 2, 0).clamp_(0, 1).to(device=intermediate_device, dtype=intermediate_dtype)
+                pbar.update(1)
+        else:
+            transform = cls._build_lab_transform(image_target, image_ref, device, stats_mode, target_index, is_reinhard=method == "reinhard_lab")
+
+            for i in range(B):
+                src_frame = cls._to_lab(image_target, i, device)
+                corrected = transform(src_frame.view(C, -1), frame_idx=i)
+                if strength == 1.0:
+                    result = kornia.color.lab_to_rgb(corrected.view(1, C, H, W))
+                else:
+                    result = kornia.color.lab_to_rgb(torch.lerp(src_frame, corrected.view(1, C, H, W), strength))
+                out[i] = result.squeeze(0).permute(1, 2, 0).clamp_(0, 1).to(device=intermediate_device, dtype=intermediate_dtype)
+                pbar.update(1)
+
+        return io.NodeOutput(out)
+
+
 class PostProcessingExtension(ComfyExtension):
     @override
     async def get_node_list(self) -> list[type[io.ComfyNode]]:
@@ -673,6 +896,7 @@ class PostProcessingExtension(ComfyExtension):
             BatchImagesNode,
             BatchMasksNode,
             BatchLatentsNode,
+            ColorTransfer,
             # BatchImagesMasksLatentsNode,
         ]
 

comfy_extras/nodes_preview_any.py

@@ -11,7 +11,7 @@ class PreviewAny():
             "required": {"source": (IO.ANY, {})},
         }
 
-    RETURN_TYPES = ()
+    RETURN_TYPES = (IO.STRING,)
     FUNCTION = "main"
     OUTPUT_NODE = True
 
@@ -33,7 +33,7 @@ class PreviewAny():
                 except Exception:
                     value = 'source exists, but could not be serialized.'
 
-        return {"ui": {"text": (value,)}}
+        return {"ui": {"text": (value,)}, "result": (value,)}
 
 NODE_CLASS_MAPPINGS = {
     "PreviewAny": PreviewAny,

comfy_extras/nodes_rtdetr.py

@@ -32,10 +32,12 @@ class RTDETR_detect(io.ComfyNode):
     def execute(cls, model, image, threshold, class_name, max_detections) -> io.NodeOutput:
         B, H, W, C = image.shape
 
-        image_in = comfy.utils.common_upscale(image.movedim(-1, 1), 640, 640, "bilinear", crop="disabled")
-
         comfy.model_management.load_model_gpu(model)
-        results = model.model.diffusion_model(image_in, (W, H))  # list of B dicts
+        results = []
+        for i in range(0, B, 32):
+            batch = image[i:i + 32]
+            image_in = comfy.utils.common_upscale(batch.movedim(-1, 1), 640, 640, "bilinear", crop="disabled")
+            results.extend(model.model.diffusion_model(image_in, (W, H)))
 
         all_bbox_dicts = []
 

comfy_extras/nodes_sam3.py

@@ -0,0 +1,529 @@
+"""
+SAM3 (Segment Anything 3) nodes for detection, segmentation, and video tracking.
+"""
+
+from typing_extensions import override
+
+import json
+import os
+import torch
+import torch.nn.functional as F
+import comfy.model_management
+import comfy.utils
+import folder_paths
+from comfy_api.latest import ComfyExtension, io, ui
+import av
+from fractions import Fraction
+
+
+def _extract_text_prompts(conditioning, device, dtype):
+    """Extract list of (text_embeddings, text_mask) from conditioning."""
+    cond_meta = conditioning[0][1]
+    multi = cond_meta.get("sam3_multi_cond")
+    prompts = []
+    if multi is not None:
+        for entry in multi:
+            emb = entry["cond"].to(device=device, dtype=dtype)
+            mask = entry["attention_mask"].to(device) if entry["attention_mask"] is not None else None
+            if mask is None:
+                mask = torch.ones(emb.shape[0], emb.shape[1], dtype=torch.int64, device=device)
+            prompts.append((emb, mask, entry.get("max_detections", 1)))
+    else:
+        emb = conditioning[0][0].to(device=device, dtype=dtype)
+        mask = cond_meta.get("attention_mask")
+        if mask is not None:
+            mask = mask.to(device)
+        else:
+            mask = torch.ones(emb.shape[0], emb.shape[1], dtype=torch.int64, device=device)
+        prompts.append((emb, mask, 1))
+    return prompts
+
+
+def _refine_mask(sam3_model, orig_image_hwc, coarse_mask, box_xyxy, H, W, device, dtype, iterations):
+    """Refine a coarse detector mask via SAM decoder, cropping to the detection box.
+
+    Returns: [1, H, W] binary mask
+    """
+    def _coarse_fallback():
+        return (F.interpolate(coarse_mask.unsqueeze(0).unsqueeze(0), size=(H, W),
+                              mode="bilinear", align_corners=False)[0] > 0).float()
+
+    if iterations <= 0:
+        return _coarse_fallback()
+
+    pad_frac = 0.1
+    x1, y1, x2, y2 = box_xyxy.tolist()
+    bw, bh = x2 - x1, y2 - y1
+    cx1 = max(0, int(x1 - bw * pad_frac))
+    cy1 = max(0, int(y1 - bh * pad_frac))
+    cx2 = min(W, int(x2 + bw * pad_frac))
+    cy2 = min(H, int(y2 + bh * pad_frac))
+    if cx2 <= cx1 or cy2 <= cy1:
+        return _coarse_fallback()
+
+    crop = orig_image_hwc[cy1:cy2, cx1:cx2, :3]
+    crop_1008 = comfy.utils.common_upscale(crop.unsqueeze(0).movedim(-1, 1), 1008, 1008, "bilinear", crop="disabled")
+    crop_frame = crop_1008.to(device=device, dtype=dtype)
+    crop_h, crop_w = cy2 - cy1, cx2 - cx1
+
+    # Crop coarse mask and refine via SAM on the cropped image
+    mask_h, mask_w = coarse_mask.shape[-2:]
+    mx1, my1 = int(cx1 / W * mask_w), int(cy1 / H * mask_h)
+    mx2, my2 = int(cx2 / W * mask_w), int(cy2 / H * mask_h)
+    if mx2 <= mx1 or my2 <= my1:
+        return _coarse_fallback()
+    mask_logit = coarse_mask[..., my1:my2, mx1:mx2].unsqueeze(0).unsqueeze(0)
+    for _ in range(iterations):
+        coarse_input = F.interpolate(mask_logit, size=(1008, 1008), mode="bilinear", align_corners=False)
+        mask_logit = sam3_model.forward_segment(crop_frame, mask_inputs=coarse_input)
+
+    refined_crop = F.interpolate(mask_logit, size=(crop_h, crop_w), mode="bilinear", align_corners=False)
+    full_mask = torch.zeros(1, 1, H, W, device=device, dtype=dtype)
+    full_mask[:, :, cy1:cy2, cx1:cx2] = refined_crop
+    coarse_full = F.interpolate(coarse_mask.unsqueeze(0).unsqueeze(0), size=(H, W), mode="bilinear", align_corners=False)
+    return ((full_mask[0] > 0) | (coarse_full[0] > 0)).float()
+
+
+
+class SAM3_Detect(io.ComfyNode):
+    """Open-vocabulary detection and segmentation using text, box, or point prompts."""
+
+    @classmethod
+    def define_schema(cls):
+        return io.Schema(
+            node_id="SAM3_Detect",
+            display_name="SAM3 Detect",
+            category="detection/",
+            search_aliases=["sam3", "segment anything", "open vocabulary", "text detection", "segment"],
+            inputs=[
+                io.Model.Input("model", display_name="model"),
+                io.Image.Input("image", display_name="image"),
+                io.Conditioning.Input("conditioning", display_name="conditioning", optional=True, tooltip="Text conditioning from CLIPTextEncode"),
+                io.BoundingBox.Input("bboxes", display_name="bboxes", force_input=True, optional=True, tooltip="Bounding boxes to segment within"),
+                io.String.Input("positive_coords", display_name="positive_coords", force_input=True, optional=True, tooltip="Positive point prompts as JSON [{\"x\": int, \"y\": int}, ...] (pixel coords)"),
+                io.String.Input("negative_coords", display_name="negative_coords", force_input=True, optional=True, tooltip="Negative point prompts as JSON [{\"x\": int, \"y\": int}, ...] (pixel coords)"),
+                io.Float.Input("threshold", display_name="threshold", default=0.5, min=0.0, max=1.0, step=0.01),
+                io.Int.Input("refine_iterations", display_name="refine_iterations", default=2, min=0, max=5, tooltip="SAM decoder refinement passes (0=use raw detector masks)"),
+                io.Boolean.Input("individual_masks", display_name="individual_masks", default=False, tooltip="Output per-object masks instead of union"),
+            ],
+            outputs=[
+                io.Mask.Output("masks"),
+                io.BoundingBox.Output("bboxes"),
+            ],
+        )
+
+    @classmethod
+    def execute(cls, model, image, conditioning=None, bboxes=None, positive_coords=None, negative_coords=None, threshold=0.5, refine_iterations=2, individual_masks=False) -> io.NodeOutput:
+        B, H, W, C = image.shape
+        image_in = comfy.utils.common_upscale(image[..., :3].movedim(-1, 1), 1008, 1008, "bilinear", crop="disabled")
+
+        # Convert bboxes to normalized cxcywh format, per-frame list of [1, N, 4] tensors.
+        # Supports: single dict (all frames), list[dict] (all frames), list[list[dict]] (per-frame).
+        def _boxes_to_tensor(box_list):
+            coords = []
+            for d in box_list:
+                cx = (d["x"] + d["width"] / 2) / W
+                cy = (d["y"] + d["height"] / 2) / H
+                coords.append([cx, cy, d["width"] / W, d["height"] / H])
+            return torch.tensor([coords], dtype=torch.float32)  # [1, N, 4]
+
+        per_frame_boxes = None
+        if bboxes is not None:
+            if isinstance(bboxes, dict):
+                # Single box → same for all frames
+                shared = _boxes_to_tensor([bboxes])
+                per_frame_boxes = [shared] * B
+            elif isinstance(bboxes, list) and len(bboxes) > 0 and isinstance(bboxes[0], list):
+                # list[list[dict]] → per-frame boxes
+                per_frame_boxes = [_boxes_to_tensor(frame_boxes) if frame_boxes else None for frame_boxes in bboxes]
+                # Pad to B if fewer frames provided
+                while len(per_frame_boxes) < B:
+                    per_frame_boxes.append(per_frame_boxes[-1] if per_frame_boxes else None)
+            elif isinstance(bboxes, list) and len(bboxes) > 0:
+                # list[dict] → same boxes for all frames
+                shared = _boxes_to_tensor(bboxes)
+                per_frame_boxes = [shared] * B
+
+        # Parse point prompts from JSON (KJNodes PointsEditor format: [{"x": int, "y": int}, ...])
+        pos_pts = json.loads(positive_coords) if positive_coords else []
+        neg_pts = json.loads(negative_coords) if negative_coords else []
+        has_points = len(pos_pts) > 0 or len(neg_pts) > 0
+
+        comfy.model_management.load_model_gpu(model)
+        device = comfy.model_management.get_torch_device()
+        dtype = model.model.get_dtype()
+        sam3_model = model.model.diffusion_model
+
+        # Build point inputs for tracker SAM decoder path
+        point_inputs = None
+        if has_points:
+            all_coords = [[p["x"] / W * 1008, p["y"] / H * 1008] for p in pos_pts] + \
+                         [[p["x"] / W * 1008, p["y"] / H * 1008] for p in neg_pts]
+            all_labels = [1] * len(pos_pts) + [0] * len(neg_pts)
+            point_inputs = {
+                "point_coords": torch.tensor([all_coords], dtype=dtype, device=device),
+                "point_labels": torch.tensor([all_labels], dtype=torch.int32, device=device),
+            }
+
+        cond_list = _extract_text_prompts(conditioning, device, dtype) if conditioning is not None and len(conditioning) > 0 else []
+        has_text = len(cond_list) > 0
+
+        # Run per-image through detector (text/boxes) and/or tracker (points)
+        all_bbox_dicts = []
+        all_masks = []
+        pbar = comfy.utils.ProgressBar(B)
+
+        for b in range(B):
+            frame = image_in[b:b+1].to(device=device, dtype=dtype)
+            b_boxes = None
+            if per_frame_boxes is not None and per_frame_boxes[b] is not None:
+                b_boxes = per_frame_boxes[b].to(device=device, dtype=dtype)
+
+            frame_bbox_dicts = []
+            frame_masks = []
+
+            # Point prompts: tracker SAM decoder path with iterative refinement
+            if point_inputs is not None:
+                mask_logit = sam3_model.forward_segment(frame, point_inputs=point_inputs)
+                for _ in range(max(0, refine_iterations - 1)):
+                    mask_logit = sam3_model.forward_segment(frame, mask_inputs=mask_logit)
+                mask = F.interpolate(mask_logit, size=(H, W), mode="bilinear", align_corners=False)
+                frame_masks.append((mask[0] > 0).float())
+
+            # Box prompts: SAM decoder path (segment inside each box)
+            if b_boxes is not None and not has_text:
+                for box_cxcywh in b_boxes[0]:
+                    cx, cy, bw, bh = box_cxcywh.tolist()
+                    # Convert cxcywh normalized → xyxy in 1008 space → [1, 2, 2] corners
+                    sam_box = torch.tensor([[[(cx - bw/2) * 1008, (cy - bh/2) * 1008],
+                                             [(cx + bw/2) * 1008, (cy + bh/2) * 1008]]],
+                                           device=device, dtype=dtype)
+                    mask_logit = sam3_model.forward_segment(frame, box_inputs=sam_box)
+                    for _ in range(max(0, refine_iterations - 1)):
+                        mask_logit = sam3_model.forward_segment(frame, mask_inputs=mask_logit)
+                    mask = F.interpolate(mask_logit, size=(H, W), mode="bilinear", align_corners=False)
+                    frame_masks.append((mask[0] > 0).float())
+
+            # Text prompts: run detector per text prompt (each detects one category)
+            for text_embeddings, text_mask, max_det in cond_list:
+                results = sam3_model(
+                    frame, text_embeddings=text_embeddings, text_mask=text_mask,
+                    boxes=b_boxes, threshold=threshold, orig_size=(H, W))
+
+                pred_boxes = results["boxes"][0]
+                scores = results["scores"][0]
+                masks = results["masks"][0]
+
+                probs = scores.sigmoid()
+                keep = probs > threshold
+                kept_boxes = pred_boxes[keep].cpu()
+                kept_scores = probs[keep].cpu()
+                kept_masks = masks[keep]
+
+                order = kept_scores.argsort(descending=True)[:max_det]
+                kept_boxes = kept_boxes[order]
+                kept_scores = kept_scores[order]
+                kept_masks = kept_masks[order]
+
+                for box, score in zip(kept_boxes, kept_scores):
+                    frame_bbox_dicts.append({
+                        "x": float(box[0]), "y": float(box[1]),
+                        "width": float(box[2] - box[0]), "height": float(box[3] - box[1]),
+                        "score": float(score),
+                    })
+                for m, box in zip(kept_masks, kept_boxes):
+                    frame_masks.append(_refine_mask(
+                        sam3_model, image[b], m, box, H, W, device, dtype, refine_iterations))
+
+            all_bbox_dicts.append(frame_bbox_dicts)
+            if len(frame_masks) > 0:
+                combined = torch.cat(frame_masks, dim=0)  # [N_obj, H, W]
+                if individual_masks:
+                    all_masks.append(combined)
+                else:
+                    all_masks.append((combined > 0).any(dim=0).float())
+            else:
+                if individual_masks:
+                    all_masks.append(torch.zeros(0, H, W, device=comfy.model_management.intermediate_device()))
+                else:
+                    all_masks.append(torch.zeros(H, W, device=comfy.model_management.intermediate_device()))
+            pbar.update(1)
+
+        idev = comfy.model_management.intermediate_device()
+        all_masks = [m.to(idev) for m in all_masks]
+        mask_out = torch.cat(all_masks, dim=0) if individual_masks else torch.stack(all_masks)
+        return io.NodeOutput(mask_out, all_bbox_dicts)
+
+
+SAM3TrackData = io.Custom("SAM3_TRACK_DATA")
+
+class SAM3_VideoTrack(io.ComfyNode):
+    """Track objects across video frames using SAM3's memory-based tracker."""
+
+    @classmethod
+    def define_schema(cls):
+        return io.Schema(
+            node_id="SAM3_VideoTrack",
+            display_name="SAM3 Video Track",
+            category="detection/",
+            search_aliases=["sam3", "video", "track", "propagate"],
+            inputs=[
+                io.Image.Input("images", display_name="images", tooltip="Video frames as batched images"),
+                io.Model.Input("model", display_name="model"),
+                io.Mask.Input("initial_mask", display_name="initial_mask", optional=True, tooltip="Mask(s) for the first frame to track (one per object)"),
+                io.Conditioning.Input("conditioning", display_name="conditioning", optional=True, tooltip="Text conditioning for detecting new objects during tracking"),
+                io.Float.Input("detection_threshold", display_name="detection_threshold", default=0.5, min=0.0, max=1.0, step=0.01, tooltip="Score threshold for text-prompted detection"),
+                io.Int.Input("max_objects", display_name="max_objects", default=0, min=0, tooltip="Max tracked objects (0=unlimited). Initial masks count toward this limit."),
+                io.Int.Input("detect_interval", display_name="detect_interval", default=1, min=1, tooltip="Run detection every N frames (1=every frame). Higher values save compute."),
+            ],
+            outputs=[
+                SAM3TrackData.Output("track_data", display_name="track_data"),
+            ],
+        )
+
+    @classmethod
+    def execute(cls, images, model, initial_mask=None, conditioning=None, detection_threshold=0.5, max_objects=0, detect_interval=1) -> io.NodeOutput:
+        N, H, W, C = images.shape
+
+        comfy.model_management.load_model_gpu(model)
+        device = comfy.model_management.get_torch_device()
+        dtype = model.model.get_dtype()
+        sam3_model = model.model.diffusion_model
+
+        frames = images[..., :3].movedim(-1, 1)
+        frames_in = comfy.utils.common_upscale(frames, 1008, 1008, "bilinear", crop="disabled").to(device=device, dtype=dtype)
+
+        init_masks = None
+        if initial_mask is not None:
+            init_masks = initial_mask.unsqueeze(1).to(device=device, dtype=dtype)
+
+        pbar = comfy.utils.ProgressBar(N)
+
+        text_prompts = None
+        if conditioning is not None and len(conditioning) > 0:
+            text_prompts = [(emb, mask) for emb, mask, _ in _extract_text_prompts(conditioning, device, dtype)]
+        elif initial_mask is None:
+            raise ValueError("Either initial_mask or conditioning must be provided")
+
+        result = sam3_model.forward_video(
+            images=frames_in, initial_masks=init_masks, pbar=pbar, text_prompts=text_prompts,
+            new_det_thresh=detection_threshold, max_objects=max_objects,
+            detect_interval=detect_interval)
+        result["orig_size"] = (H, W)
+        return io.NodeOutput(result)
+
+
+class SAM3_TrackPreview(io.ComfyNode):
+    """Visualize tracked objects with distinct colors as a video preview. No tensor output — saves to temp video."""
+
+    @classmethod
+    def define_schema(cls):
+        return io.Schema(
+            node_id="SAM3_TrackPreview",
+            display_name="SAM3 Track Preview",
+            category="detection/",
+            inputs=[
+                SAM3TrackData.Input("track_data", display_name="track_data"),
+                io.Image.Input("images", display_name="images", optional=True),
+                io.Float.Input("opacity", display_name="opacity", default=0.5, min=0.0, max=1.0, step=0.05),
+                io.Float.Input("fps", display_name="fps", default=24.0, min=1.0, max=120.0, step=1.0),
+            ],
+            is_output_node=True,
+        )
+
+    COLORS = [
+        (0.12, 0.47, 0.71), (1.0, 0.5, 0.05), (0.17, 0.63, 0.17), (0.84, 0.15, 0.16),
+        (0.58, 0.4, 0.74), (0.55, 0.34, 0.29), (0.89, 0.47, 0.76), (0.5, 0.5, 0.5),
+        (0.74, 0.74, 0.13), (0.09, 0.75, 0.81), (0.94, 0.76, 0.06), (0.42, 0.68, 0.84),
+    ]
+
+    # 5x3 bitmap font atlas for digits 0-9 [10, 5, 3]
+    _glyph_cache = {}  # (device, scale) -> (glyphs, outlines, gh, gw, oh, ow)
+
+    @staticmethod
+    def _get_glyphs(device, scale=3):
+        key = (device, scale)
+        if key in SAM3_TrackPreview._glyph_cache:
+            return SAM3_TrackPreview._glyph_cache[key]
+        atlas = torch.tensor([
+            [[1,1,1],[1,0,1],[1,0,1],[1,0,1],[1,1,1]],
+            [[0,1,0],[1,1,0],[0,1,0],[0,1,0],[1,1,1]],
+            [[1,1,1],[0,0,1],[1,1,1],[1,0,0],[1,1,1]],
+            [[1,1,1],[0,0,1],[1,1,1],[0,0,1],[1,1,1]],
+            [[1,0,1],[1,0,1],[1,1,1],[0,0,1],[0,0,1]],
+            [[1,1,1],[1,0,0],[1,1,1],[0,0,1],[1,1,1]],
+            [[1,1,1],[1,0,0],[1,1,1],[1,0,1],[1,1,1]],
+            [[1,1,1],[0,0,1],[0,0,1],[0,0,1],[0,0,1]],
+            [[1,1,1],[1,0,1],[1,1,1],[1,0,1],[1,1,1]],
+            [[1,1,1],[1,0,1],[1,1,1],[0,0,1],[1,1,1]],
+        ], dtype=torch.bool)
+        glyphs, outlines = [], []
+        for d in range(10):
+            g = atlas[d].repeat_interleave(scale, 0).repeat_interleave(scale, 1)
+            padded = F.pad(g.float().unsqueeze(0).unsqueeze(0), (1,1,1,1))
+            o = (F.max_pool2d(padded, 3, stride=1, padding=1)[0, 0] > 0)
+            glyphs.append(g.to(device))
+            outlines.append(o.to(device))
+        gh, gw = glyphs[0].shape
+        oh, ow = outlines[0].shape
+        SAM3_TrackPreview._glyph_cache[key] = (glyphs, outlines, gh, gw, oh, ow)
+        return SAM3_TrackPreview._glyph_cache[key]
+
+    @staticmethod
+    def _draw_number_gpu(frame, number, cx, cy, color, scale=3):
+        """Draw a number on a GPU tensor [H, W, 3] float 0-1 at (cx, cy) with outline."""
+        H, W = frame.shape[:2]
+        device = frame.device
+        glyphs, outlines, gh, gw, oh, ow = SAM3_TrackPreview._get_glyphs(device, scale)
+        color_t = torch.tensor(color, device=device, dtype=frame.dtype)
+        digs = [int(d) for d in str(number)]
+        total_w = len(digs) * (gw + scale) - scale
+        x0 = cx - total_w // 2
+        y0 = cy - gh // 2
+        for i, d in enumerate(digs):
+            dx = x0 + i * (gw + scale)
+            # Black outline
+            oy0, ox0 = y0 - 1, dx - 1
+            osy1, osx1 = max(0, -oy0), max(0, -ox0)
+            osy2, osx2 = min(oh, H - oy0), min(ow, W - ox0)
+            if osy2 > osy1 and osx2 > osx1:
+                fy1, fx1 = oy0 + osy1, ox0 + osx1
+                frame[fy1:fy1+(osy2-osy1), fx1:fx1+(osx2-osx1)][outlines[d][osy1:osy2, osx1:osx2]] = 0
+            # Colored fill
+            sy1, sx1 = max(0, -y0), max(0, -dx)
+            sy2, sx2 = min(gh, H - y0), min(gw, W - dx)
+            if sy2 > sy1 and sx2 > sx1:
+                fy1, fx1 = y0 + sy1, dx + sx1
+                frame[fy1:fy1+(sy2-sy1), fx1:fx1+(sx2-sx1)][glyphs[d][sy1:sy2, sx1:sx2]] = color_t
+
+    @classmethod
+    def execute(cls, track_data, images=None, opacity=0.5, fps=24.0) -> io.NodeOutput:
+
+        from comfy.ldm.sam3.tracker import unpack_masks
+        packed = track_data["packed_masks"]
+        H, W = track_data["orig_size"]
+        if images is not None:
+            H, W = images.shape[1], images.shape[2]
+        if packed is None:
+            N, N_obj = track_data["n_frames"], 0
+        else:
+            N, N_obj = packed.shape[0], packed.shape[1]
+
+        import uuid
+        gpu = comfy.model_management.get_torch_device()
+        temp_dir = folder_paths.get_temp_directory()
+        filename = f"sam3_track_preview_{uuid.uuid4().hex[:8]}.mp4"
+        filepath = os.path.join(temp_dir, filename)
+        with av.open(filepath, mode='w') as output:
+            stream = output.add_stream('h264', rate=Fraction(round(fps * 1000), 1000))
+            stream.width = W
+            stream.height = H
+            stream.pix_fmt = 'yuv420p'
+
+            frame_cpu = torch.empty(H, W, 3, dtype=torch.uint8)
+            frame_np = frame_cpu.numpy()
+            if N_obj > 0:
+                colors_t = torch.tensor([cls.COLORS[i % len(cls.COLORS)] for i in range(N_obj)],
+                                       device=gpu, dtype=torch.float32)
+                grid_y = torch.arange(H, device=gpu).view(1, H, 1)
+                grid_x = torch.arange(W, device=gpu).view(1, 1, W)
+            for t in range(N):
+                if images is not None and t < images.shape[0]:
+                    frame = images[t].clone()
+                else:
+                    frame = torch.zeros(H, W, 3)
+
+                if N_obj > 0:
+                    frame_binary = unpack_masks(packed[t:t+1].to(gpu))  # [1, N_obj, H, W] bool
+                    frame_masks = F.interpolate(frame_binary.float(), size=(H, W), mode="nearest")[0]
+                    frame_gpu = frame.to(gpu)
+                    bool_masks = frame_masks > 0.5
+                    any_mask = bool_masks.any(dim=0)
+                    if any_mask.any():
+                        obj_idx_map = bool_masks.to(torch.uint8).argmax(dim=0)
+                        color_overlay = colors_t[obj_idx_map]
+                        mask_3d = any_mask.unsqueeze(-1)
+                        frame_gpu = torch.where(mask_3d, frame_gpu * (1 - opacity) + color_overlay * opacity, frame_gpu)
+                    area = bool_masks.sum(dim=(-1, -2)).clamp_(min=1)
+                    cy = (bool_masks * grid_y).sum(dim=(-1, -2)) // area
+                    cx = (bool_masks * grid_x).sum(dim=(-1, -2)) // area
+                    has = area > 1
+                    scores = track_data.get("scores", [])
+                    for obj_idx in range(N_obj):
+                        if has[obj_idx]:
+                            _cx, _cy = int(cx[obj_idx]), int(cy[obj_idx])
+                            color = cls.COLORS[obj_idx % len(cls.COLORS)]
+                            SAM3_TrackPreview._draw_number_gpu(frame_gpu, obj_idx, _cx, _cy, color)
+                            if obj_idx < len(scores) and scores[obj_idx] < 1.0:
+                                SAM3_TrackPreview._draw_number_gpu(frame_gpu, int(scores[obj_idx] * 100),
+                                                                   _cx, _cy + 5 * 3 + 3, color, scale=2)
+                    frame_cpu.copy_(frame_gpu.clamp_(0, 1).mul_(255).byte())
+                else:
+                    frame_cpu.copy_(frame.clamp_(0, 1).mul_(255).byte())
+
+                vframe = av.VideoFrame.from_ndarray(frame_np, format='rgb24')
+                output.mux(stream.encode(vframe.reformat(format='yuv420p')))
+            output.mux(stream.encode(None))
+        return io.NodeOutput(ui=ui.PreviewVideo([ui.SavedResult(filename, "", io.FolderType.temp)]))
+
+
+class SAM3_TrackToMask(io.ComfyNode):
+    """Select tracked objects by index and output as mask."""
+
+    @classmethod
+    def define_schema(cls):
+        return io.Schema(
+            node_id="SAM3_TrackToMask",
+            display_name="SAM3 Track to Mask",
+            category="detection/",
+            inputs=[
+                SAM3TrackData.Input("track_data", display_name="track_data"),
+                io.String.Input("object_indices", display_name="object_indices", default="",
+                                tooltip="Comma-separated object indices to include (e.g. '0,2,3'). Empty = all objects."),
+            ],
+            outputs=[
+                io.Mask.Output("masks", display_name="masks"),
+            ],
+        )
+
+    @classmethod
+    def execute(cls, track_data, object_indices="") -> io.NodeOutput:
+        from comfy.ldm.sam3.tracker import unpack_masks
+        packed = track_data["packed_masks"]
+        H, W = track_data["orig_size"]
+
+        if packed is None:
+            N = track_data["n_frames"]
+            return io.NodeOutput(torch.zeros(N, H, W, device=comfy.model_management.intermediate_device()))
+
+        N, N_obj = packed.shape[0], packed.shape[1]
+
+        if object_indices.strip():
+            indices = [int(i.strip()) for i in object_indices.split(",") if i.strip().isdigit()]
+            indices = [i for i in indices if 0 <= i < N_obj]
+        else:
+            indices = list(range(N_obj))
+
+        if not indices:
+            return io.NodeOutput(torch.zeros(N, H, W, device=comfy.model_management.intermediate_device()))
+
+        selected = packed[:, indices]
+        binary = unpack_masks(selected)  # [N, len(indices), Hm, Wm] bool
+        union = binary.any(dim=1, keepdim=True).float()
+        mask_out = F.interpolate(union, size=(H, W), mode="bilinear", align_corners=False)[:, 0]
+        return io.NodeOutput(mask_out)
+
+
+class SAM3Extension(ComfyExtension):
+    @override
+    async def get_node_list(self) -> list[type[io.ComfyNode]]:
+        return [
+            SAM3_Detect,
+            SAM3_VideoTrack,
+            SAM3_TrackPreview,
+            SAM3_TrackToMask,
+        ]
+
+
+async def comfy_entrypoint() -> SAM3Extension:
+    return SAM3Extension()

comfy_extras/nodes_sdpose.py

@@ -1,5 +1,6 @@
 import torch
 import comfy.utils
+import comfy.model_management
 import numpy as np
 import math
 import colorsys
@@ -410,7 +411,9 @@ class SDPoseDrawKeypoints(io.ComfyNode):
             pose_outputs.append(canvas)
 
         pose_outputs_np = np.stack(pose_outputs) if len(pose_outputs) > 1 else np.expand_dims(pose_outputs[0], 0)
-        final_pose_output = torch.from_numpy(pose_outputs_np).float() / 255.0
+        final_pose_output = torch.from_numpy(pose_outputs_np).to(
+            device=comfy.model_management.intermediate_device(),
+            dtype=comfy.model_management.intermediate_dtype()) / 255.0
         return io.NodeOutput(final_pose_output)
 
 class SDPoseKeypointExtractor(io.ComfyNode):
@@ -459,6 +462,27 @@ class SDPoseKeypointExtractor(io.ComfyNode):
         model_h = int(head.heatmap_size[0]) * 4   # e.g. 192 * 4 = 768
         model_w = int(head.heatmap_size[1]) * 4   # e.g. 256 * 4 = 1024
 
+        def _resize_to_model(imgs):
+            """Aspect-preserving resize + zero-pad BHWC images to (model_h, model_w). Returns (resized_bhwc, scale, pad_top, pad_left)."""
+            h, w = imgs.shape[-3], imgs.shape[-2]
+            scale = min(model_h / h, model_w / w)
+            sh, sw = int(round(h * scale)), int(round(w * scale))
+            pt, pl = (model_h - sh) // 2, (model_w - sw) // 2
+            chw = imgs.permute(0, 3, 1, 2).float()
+            scaled = comfy.utils.common_upscale(chw, sw, sh, upscale_method="bilinear", crop="disabled")
+            padded = torch.zeros(scaled.shape[0], scaled.shape[1], model_h, model_w, dtype=scaled.dtype, device=scaled.device)
+            padded[:, :, pt:pt + sh, pl:pl + sw] = scaled
+            return padded.permute(0, 2, 3, 1), scale, pt, pl
+
+        def _remap_keypoints(kp, scale, pad_top, pad_left, offset_x=0, offset_y=0):
+            """Remap keypoints from model space back to original image space."""
+            kp = kp.copy() if isinstance(kp, np.ndarray) else np.array(kp, dtype=np.float32)
+            invalid = kp[..., 0] < 0
+            kp[..., 0] = (kp[..., 0] - pad_left) / scale + offset_x
+            kp[..., 1] = (kp[..., 1] - pad_top)  / scale + offset_y
+            kp[invalid] = -1
+            return kp
+
         def _run_on_latent(latent_batch):
             """Run one forward pass and return (keypoints_list, scores_list) for the batch."""
             nonlocal captured_feat
@@ -504,36 +528,19 @@ class SDPoseKeypointExtractor(io.ComfyNode):
                         if x2 <= x1 or y2 <= y1:
                             continue
 
-                        crop_h_px, crop_w_px = y2 - y1, x2 - x1
                         crop = img[:, y1:y2, x1:x2, :]  # (1, crop_h, crop_w, C)
-
-                        # scale to fit inside (model_h, model_w) while preserving aspect ratio, then pad to exact model size.
-                        scale = min(model_h / crop_h_px, model_w / crop_w_px)
-                        scaled_h, scaled_w = int(round(crop_h_px * scale)), int(round(crop_w_px * scale))
-                        pad_top, pad_left  = (model_h - scaled_h) // 2, (model_w - scaled_w) // 2
-
-                        crop_chw = crop.permute(0, 3, 1, 2).float()  # BHWC → BCHW
-                        scaled = comfy.utils.common_upscale(crop_chw, scaled_w, scaled_h, upscale_method="bilinear", crop="disabled")
-                        padded = torch.zeros(1, scaled.shape[1], model_h, model_w, dtype=scaled.dtype, device=scaled.device)
-                        padded[:, :, pad_top:pad_top + scaled_h, pad_left:pad_left + scaled_w] = scaled
-                        crop_resized = padded.permute(0, 2, 3, 1)  # BCHW → BHWC
+                        crop_resized, scale, pad_top, pad_left = _resize_to_model(crop)
 
                         latent_crop = vae.encode(crop_resized)
                         kp_batch, sc_batch = _run_on_latent(latent_crop)
-                        kp, sc = kp_batch[0], sc_batch[0]  # (K, 2), coords in model pixel space
-
-                        # remove padding offset, undo scale, offset to full-image coordinates.
-                        kp = kp.copy() if isinstance(kp, np.ndarray) else np.array(kp, dtype=np.float32)
-                        kp[..., 0] = (kp[..., 0] - pad_left) / scale + x1
-                        kp[..., 1] = (kp[..., 1] - pad_top)  / scale + y1
-
+                        kp = _remap_keypoints(kp_batch[0], scale, pad_top, pad_left, x1, y1)
                         img_keypoints.append(kp)
-                        img_scores.append(sc)
+                        img_scores.append(sc_batch[0])
                 else:
-                    # No bboxes for this image – run on the full image
-                    latent_img = vae.encode(img)
+                    img_resized, scale, pad_top, pad_left = _resize_to_model(img)
+                    latent_img = vae.encode(img_resized)
                     kp_batch, sc_batch = _run_on_latent(latent_img)
-                    img_keypoints.append(kp_batch[0])
+                    img_keypoints.append(_remap_keypoints(kp_batch[0], scale, pad_top, pad_left))
                     img_scores.append(sc_batch[0])
 
                 all_keypoints.append(img_keypoints)
@@ -541,19 +548,16 @@ class SDPoseKeypointExtractor(io.ComfyNode):
                 pbar.update(1)
 
         else: # full-image mode, batched
-            tqdm_pbar = tqdm(total=total_images, desc="Extracting keypoints")
-            for batch_start in range(0, total_images, batch_size):
-                batch_end = min(batch_start + batch_size, total_images)
-                latent_batch = vae.encode(image[batch_start:batch_end])
-
+            for batch_start in tqdm(range(0, total_images, batch_size), desc="Extracting keypoints"):
+                batch_resized, scale, pad_top, pad_left = _resize_to_model(image[batch_start:batch_start + batch_size])
+                latent_batch = vae.encode(batch_resized)
                 kp_batch, sc_batch = _run_on_latent(latent_batch)
 
                 for kp, sc in zip(kp_batch, sc_batch):
-                    all_keypoints.append([kp])
+                    all_keypoints.append([_remap_keypoints(kp, scale, pad_top, pad_left)])
                     all_scores.append([sc])
-                    tqdm_pbar.update(1)
 
-                pbar.update(batch_end - batch_start)
+                pbar.update(len(kp_batch))
 
         openpose_frames = _to_openpose_frames(all_keypoints, all_scores, height, width)
         return io.NodeOutput(openpose_frames)

comfy_extras/nodes_string.py

@@ -1,4 +1,5 @@
 import re
+import json
 from typing_extensions import override
 
 from comfy_api.latest import ComfyExtension, io
@@ -375,6 +376,39 @@ class RegexReplace(io.ComfyNode):
         return io.NodeOutput(result)
 
 
+class JsonExtractString(io.ComfyNode):
+    @classmethod
+    def define_schema(cls):
+        return io.Schema(
+            node_id="JsonExtractString",
+            display_name="Extract String from JSON",
+            category="utils/string",
+            search_aliases=["json", "extract json", "parse json", "json value", "read json"],
+            inputs=[
+                io.String.Input("json_string", multiline=True),
+                io.String.Input("key", multiline=False),
+            ],
+            outputs=[
+                io.String.Output(),
+            ]
+        )
+
+    @classmethod
+    def execute(cls, json_string, key):
+        try:
+            data = json.loads(json_string)
+            if isinstance(data, dict) and key in data:
+                value = data[key]
+                if value is None:
+                    return io.NodeOutput("")
+
+                return io.NodeOutput(str(value))
+
+            return io.NodeOutput("")
+
+        except (json.JSONDecodeError, TypeError):
+            return io.NodeOutput("")
+
 class StringExtension(ComfyExtension):
     @override
     async def get_node_list(self) -> list[type[io.ComfyNode]]:
@@ -390,6 +424,7 @@ class StringExtension(ComfyExtension):
             RegexMatch,
             RegexExtract,
             RegexReplace,
+            JsonExtractString,
         ]
 
 async def comfy_entrypoint() -> StringExtension:

comfy_extras/nodes_textgen.py

@@ -35,6 +35,7 @@ class TextGenerate(io.ComfyNode):
                 io.Int.Input("max_length", default=256, min=1, max=2048),
                 io.DynamicCombo.Input("sampling_mode", options=sampling_options, display_name="Sampling Mode"),
                 io.Boolean.Input("thinking", optional=True, default=False, tooltip="Operate in thinking mode if the model supports it."),
+                io.Boolean.Input("use_default_template", optional=True, default=True, tooltip="Use the built in system prompt/template if the model has one.", advanced=True),
             ],
             outputs=[
                 io.String.Output(display_name="generated_text"),
@@ -42,9 +43,9 @@ class TextGenerate(io.ComfyNode):
         )
 
     @classmethod
-    def execute(cls, clip, prompt, max_length, sampling_mode, image=None, thinking=False) -> io.NodeOutput:
+    def execute(cls, clip, prompt, max_length, sampling_mode, image=None, thinking=False, use_default_template=True) -> io.NodeOutput:
 
-        tokens = clip.tokenize(prompt, image=image, skip_template=False, min_length=1, thinking=thinking)
+        tokens = clip.tokenize(prompt, image=image, skip_template=not use_default_template, min_length=1, thinking=thinking)
 
         # Get sampling parameters from dynamic combo
         do_sample = sampling_mode.get("sampling_mode") == "on"
@@ -160,12 +161,12 @@ class TextGenerateLTX2Prompt(TextGenerate):
         )
 
     @classmethod
-    def execute(cls, clip, prompt, max_length, sampling_mode, image=None, thinking=False) -> io.NodeOutput:
+    def execute(cls, clip, prompt, max_length, sampling_mode, image=None, thinking=False, use_default_template=True) -> io.NodeOutput:
         if image is None:
             formatted_prompt = f"<start_of_turn>system\n{LTX2_T2V_SYSTEM_PROMPT.strip()}<end_of_turn>\n<start_of_turn>user\nUser Raw Input Prompt: {prompt}.<end_of_turn>\n<start_of_turn>model\n"
         else:
             formatted_prompt = f"<start_of_turn>system\n{LTX2_I2V_SYSTEM_PROMPT.strip()}<end_of_turn>\n<start_of_turn>user\n\n<image_soft_token>\n\nUser Raw Input Prompt: {prompt}.<end_of_turn>\n<start_of_turn>model\n"
-        return super().execute(clip, formatted_prompt, max_length, sampling_mode, image, thinking)
+        return super().execute(clip, formatted_prompt, max_length, sampling_mode, image, thinking, use_default_template)
 
 
 class TextgenExtension(ComfyExtension):

comfy_extras/nodes_upscale_model.py

@@ -6,6 +6,7 @@ import comfy.utils
 import folder_paths
 from typing_extensions import override
 from comfy_api.latest import ComfyExtension, io
+import comfy.model_management
 
 try:
     from spandrel_extra_arches import EXTRA_REGISTRY
@@ -78,13 +79,15 @@ class ImageUpscaleWithModel(io.ComfyNode):
         tile = 512
         overlap = 32
 
+        output_device = comfy.model_management.intermediate_device()
+
         oom = True
         try:
             while oom:
                 try:
                     steps = in_img.shape[0] * comfy.utils.get_tiled_scale_steps(in_img.shape[3], in_img.shape[2], tile_x=tile, tile_y=tile, overlap=overlap)
                     pbar = comfy.utils.ProgressBar(steps)
-                    s = comfy.utils.tiled_scale(in_img, lambda a: upscale_model(a), tile_x=tile, tile_y=tile, overlap=overlap, upscale_amount=upscale_model.scale, pbar=pbar)
+                    s = comfy.utils.tiled_scale(in_img, lambda a: upscale_model(a.float()), tile_x=tile, tile_y=tile, overlap=overlap, upscale_amount=upscale_model.scale, pbar=pbar, output_device=output_device)
                     oom = False
                 except Exception as e:
                     model_management.raise_non_oom(e)
@@ -94,7 +97,7 @@ class ImageUpscaleWithModel(io.ComfyNode):
         finally:
             upscale_model.to("cpu")
 
-        s = torch.clamp(s.movedim(-3,-1), min=0, max=1.0)
+        s = torch.clamp(s.movedim(-3,-1), min=0, max=1.0).to(comfy.model_management.intermediate_dtype())
         return io.NodeOutput(s)
 
     upscale = execute  # TODO: remove

comfyui_version.py

@@ -1,3 +1,3 @@
 # This file is automatically generated by the build process when version is
 # updated in pyproject.toml.
-__version__ = "0.18.1"
+__version__ = "0.19.3"

execution.py

@@ -811,11 +811,30 @@ class PromptExecutor:
             self._notify_prompt_lifecycle("end", prompt_id)
 
 
-async def validate_inputs(prompt_id, prompt, item, validated):
+async def validate_inputs(prompt_id, prompt, item, validated, visiting=None):
+    if visiting is None:
+        visiting = []
+
     unique_id = item
     if unique_id in validated:
         return validated[unique_id]
 
+    if unique_id in visiting:
+        cycle_path_nodes = visiting[visiting.index(unique_id):] + [unique_id]
+        cycle_nodes = list(dict.fromkeys(cycle_path_nodes))
+        cycle_path = " -> ".join(f"{node_id} ({prompt[node_id]['class_type']})" for node_id in cycle_path_nodes)
+        for node_id in cycle_nodes:
+            validated[node_id] = (False, [{
+                "type": "dependency_cycle",
+                "message": "Dependency cycle detected",
+                "details": cycle_path,
+                "extra_info": {
+                    "node_id": node_id,
+                    "cycle_nodes": cycle_nodes,
+                }
+            }], node_id)
+        return validated[unique_id]
+
     inputs = prompt[unique_id]['inputs']
     class_type = prompt[unique_id]['class_type']
     obj_class = nodes.NODE_CLASS_MAPPINGS[class_type]
@@ -899,7 +918,11 @@ async def validate_inputs(prompt_id, prompt, item, validated):
                 errors.append(error)
                 continue
             try:
-                r = await validate_inputs(prompt_id, prompt, o_id, validated)
+                visiting.append(unique_id)
+                try:
+                    r = await validate_inputs(prompt_id, prompt, o_id, validated, visiting)
+                finally:
+                    visiting.pop()
                 if r[0] is False:
                     # `r` will be set in `validated[o_id]` already
                     valid = False
@@ -1048,10 +1071,13 @@ async def validate_inputs(prompt_id, prompt, item, validated):
                     errors.append(error)
                     continue
 
-    if len(errors) > 0 or valid is not True:
-        ret = (False, errors, unique_id)
-    else:
-        ret = (True, [], unique_id)
+    ret = validated.get(unique_id, (True, [], unique_id))
+    # Recursive cycle detection may have already populated an error on us. Join it.
+    ret = (
+        ret[0] and valid is True and not errors,
+        ret[1] + [error for error in errors if error not in ret[1]],
+        unique_id,
+    )
 
     validated[unique_id] = ret
     return ret

folder_paths.py

@@ -52,6 +52,8 @@ folder_names_and_paths["model_patches"] = ([os.path.join(models_dir, "model_patc
 
 folder_names_and_paths["audio_encoders"] = ([os.path.join(models_dir, "audio_encoders")], supported_pt_extensions)
 
+folder_names_and_paths["frame_interpolation"] = ([os.path.join(models_dir, "frame_interpolation")], supported_pt_extensions)
+
 output_directory = os.path.join(base_path, "output")
 temp_directory = os.path.join(base_path, "temp")
 input_directory = os.path.join(base_path, "input")

main.py

@@ -9,6 +9,8 @@ import folder_paths
 import time
 from comfy.cli_args import args, enables_dynamic_vram
 from app.logger import setup_logger
+setup_logger(log_level=args.verbose, use_stdout=args.log_stdout)
+
 from app.assets.seeder import asset_seeder
 from app.assets.services import register_output_files
 import itertools
@@ -27,8 +29,6 @@ if __name__ == "__main__":
     os.environ['HF_HUB_DISABLE_TELEMETRY'] = '1'
     os.environ['DO_NOT_TRACK'] = '1'
 
-setup_logger(log_level=args.verbose, use_stdout=args.log_stdout)
-
 faulthandler.enable(file=sys.stderr, all_threads=False)
 
 import comfy_aimdo.control

manager_requirements.txt

@@ -1 +1 @@
-comfyui_manager==4.1
+comfyui_manager==4.2.1

nodes.py

@@ -2457,7 +2457,9 @@ async def init_builtin_extra_nodes():
         "nodes_number_convert.py",
         "nodes_painter.py",
         "nodes_curve.py",
-        "nodes_rtdetr.py"
+        "nodes_rtdetr.py",
+        "nodes_frame_interpolation.py",
+        "nodes_sam3.py"
     ]
 
     import_failed = []

pyproject.toml

@@ -1,6 +1,6 @@
 [project]
 name = "ComfyUI"
-version = "0.18.1"
+version = "0.19.3"
 readme = "README.md"
 license = { file = "LICENSE" }
 requires-python = ">=3.10"

requirements.txt

@@ -1,6 +1,6 @@
-comfyui-frontend-package==1.42.8
-comfyui-workflow-templates==0.9.44
-comfyui-embedded-docs==0.4.3
+comfyui-frontend-package==1.42.14
+comfyui-workflow-templates==0.9.61
+comfyui-embedded-docs==0.4.4
 torch
 torchsde
 torchvision
@@ -19,11 +19,11 @@ scipy
 tqdm
 psutil
 alembic
-SQLAlchemy
+SQLAlchemy>=2.0
 filelock
 av>=14.2.0
 comfy-kitchen>=0.2.8
-comfy-aimdo>=0.2.12
+comfy-aimdo==0.2.14
 requests
 simpleeval>=1.0.0
 blake3

utils/install_util.py

@@ -39,7 +39,7 @@ def get_required_packages_versions():
                 if len(s) == 2:
                     version_str = s[-1]
                     if not is_valid_version(version_str):
-                        logging.error(f"Invalid version format in requirements.txt: {version_str}")
+                        logging.debug(f"Invalid version format for {s[0]} in requirements.txt: {version_str}")
                         continue
                     out[s[0]] = version_str
         return out.copy()