mirror of
https://git.datalinker.icu/comfyanonymous/ComfyUI
synced 2026-08-21 17:36:38 +08:00
64 lines
2.3 KiB
Python
64 lines
2.3 KiB
Python
import torch
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from torch.utils.data import DataLoader
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import pathlib
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from vfi_utils import load_file_from_github_release, preprocess_frames, postprocess_frames, generic_frame_loop, InterpolationStateList
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import typing
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from comfy.model_management import get_torch_device
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MODEL_TYPE = pathlib.Path(__file__).parent.name
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CKPT_NAMES = ["pretrained_cain.pth"]
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class CAIN_VFI:
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@classmethod
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def INPUT_TYPES(s):
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return {
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"required": {
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"ckpt_name": (CKPT_NAMES, ),
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"frames": ("IMAGE", ),
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"clear_cache_after_n_frames": ("INT", {"default": 10, "min": 1, "max": 1000}),
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"multiplier": ("INT", {"default": 2, "min": 2, "max": 1000})
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},
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"optional": {
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"optional_interpolation_states": ("INTERPOLATION_STATES", )
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}
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}
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RETURN_TYPES = ("IMAGE", )
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FUNCTION = "vfi"
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CATEGORY = "ComfyUI-Frame-Interpolation/VFI"
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def vfi(
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self,
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ckpt_name: typing.AnyStr,
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frames: torch.Tensor,
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clear_cache_after_n_frames: typing.SupportsInt = 1,
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multiplier: typing.SupportsInt = 2,
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optional_interpolation_states: InterpolationStateList = None,
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**kwargs
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):
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from .cain_arch import CAIN
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model_path = load_file_from_github_release(MODEL_TYPE, ckpt_name)
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sd = torch.load(model_path)["state_dict"]
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sd = {key.replace('module.', ''): value for key, value in sd.items()}
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global interpolation_model
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interpolation_model = CAIN(depth=3)
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interpolation_model.load_state_dict(sd)
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interpolation_model.eval().to(get_torch_device())
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del sd
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frames = preprocess_frames(frames)
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def return_middle_frame(frame_0, frame_1, timestep, model):
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#CAIN does some direct modifications to input frame tensors so we need to clone them
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return model(frame_0.detach().clone(), frame_1.detach().clone())[0]
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args = [interpolation_model]
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out = postprocess_frames(
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generic_frame_loop(type(self).__name__, frames, clear_cache_after_n_frames, multiplier, return_middle_frame, *args,
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interpolation_states=optional_interpolation_states, use_timestep=False, dtype=torch.float32)
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)
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return (out,) |