Ethanfel/ComfyUI-Tween
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Add auto_pyr_level toggle to select pyramid level by resolution

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When enabled (default), automatically picks the optimal pyr_level
based on input height: <540p=3, 540p=5, 1080p=6, 4K=7.
When disabled, uses the manual pyr_level value.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
This commit is contained in:
Ethanfel
2026-02-12 18:51:29 +01:00
parent 4e6f9eb896
commit 69a4aebfe7
2 changed files with 25 additions and 5 deletions
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18
inference.py
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@@ -5,8 +5,9 @@ from .bim_vfi_arch import BiMVFI
class BiMVFIModel:
"""Clean inference wrapper around BiMVFI for ComfyUI integration."""
def __init__(self, checkpoint_path, pyr_level=3, device="cpu"):
def __init__(self, checkpoint_path, pyr_level=3, auto_pyr_level=True, device="cpu"):
self.pyr_level = pyr_level
self.auto_pyr_level = auto_pyr_level
self.device = device
self.model = BiMVFI(pyr_level=pyr_level, feat_channels=32)
@@ -58,12 +59,25 @@ class BiMVFIModel:
img0 = frame0.to(device)
img1 = frame1.to(device)
if self.auto_pyr_level:
_, _, h, _ = img0.shape
if h >= 2160:
pyr_level = 7
elif h >= 1080:
pyr_level = 6
elif h >= 540:
pyr_level = 5
else:
pyr_level = 3
else:
pyr_level = self.pyr_level
time_step_tensor = torch.tensor([time_step], device=device).view(1, 1, 1, 1)
result_dict = self.model(
img0=img0, img1=img1,
time_step=time_step_tensor,
pyr_level=self.pyr_level,
pyr_level=pyr_level,
)
interp = result_dict["imgt_pred"]

12
nodes.py
View File

@@ -57,9 +57,13 @@ class LoadBIMVFIModel:
"default": MODEL_FILENAME,
"tooltip": "Checkpoint file from models/bim-vfi/. Auto-downloads on first use if missing.",
}),
"auto_pyr_level": ("BOOLEAN", {
"default": True,
"tooltip": "Automatically select pyramid level based on input resolution: <540p=3, 540p=5, 1080p=6, 4K=7. Disable to use manual pyr_level.",
}),
"pyr_level": ("INT", {
"default": 3, "min": 3, "max": 7, "step": 1,
"tooltip": "Pyramid levels for coarse-to-fine processing. More levels = captures larger motion but slower. Recommended: 3-5 for <540p, 5-6 for 1080p, 6-7 for 4K.",
"tooltip": "Manual pyramid levels for coarse-to-fine processing. Only used when auto_pyr_level is disabled. More levels = captures larger motion but slower.",
}),
}
}
@@ -69,7 +73,7 @@ class LoadBIMVFIModel:
FUNCTION = "load_model"
CATEGORY = "video/BIM-VFI"
def load_model(self, model_path, pyr_level):
def load_model(self, model_path, auto_pyr_level, pyr_level):
full_path = os.path.join(MODEL_DIR, model_path)
if not os.path.exists(full_path):
@@ -79,10 +83,12 @@ class LoadBIMVFIModel:
wrapper = BiMVFIModel(
checkpoint_path=full_path,
pyr_level=pyr_level,
auto_pyr_level=auto_pyr_level,
device="cpu",
)
logger.info(f"BIM-VFI model loaded (pyr_level={pyr_level})")
mode = "auto" if auto_pyr_level else f"manual ({pyr_level})"
logger.info(f"BIM-VFI model loaded (pyr_level={mode})")
return (wrapper,)