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Update train_cogvideox_image_to_video_lora.py

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zR 2024-10-06 22:50:56 +08:00
parent f28708d845
commit e169e7b045
1 changed files with 32 additions and 29 deletions
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61
finetune/train_cogvideox_image_to_video_lora.py
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@ -573,36 +573,36 @@ class VideoDataset(Dataset):
return instance_prompts, instance_videos
def _resize_for_rectangle_crop(self, arr):
image_size = self.height, self.width
reshape_mode = self.video_reshape_mode
if arr.shape[3] / arr.shape[2] > image_size[1] / image_size[0]:
arr = resize(
arr,
size=[image_size[0], int(arr.shape[3] * image_size[0] / arr.shape[2])],
interpolation=InterpolationMode.BICUBIC,
)
else:
arr = resize(
arr,
size=[int(arr.shape[2] * image_size[1] / arr.shape[3]), image_size[1]],
interpolation=InterpolationMode.BICUBIC,
)
image_size = self.height, self.width
reshape_mode = self.video_reshape_mode
if arr.shape[3] / arr.shape[2] > image_size[1] / image_size[0]:
arr = resize(
arr,
size=[image_size[0], int(arr.shape[3] * image_size[0] / arr.shape[2])],
interpolation=InterpolationMode.BICUBIC,
)
else:
arr = resize(
arr,
size=[int(arr.shape[2] * image_size[1] / arr.shape[3]), image_size[1]],
interpolation=InterpolationMode.BICUBIC,
)
h, w = arr.shape[2], arr.shape[3]
arr = arr.squeeze(0)
h, w = arr.shape[2], arr.shape[3]
arr = arr.squeeze(0)
delta_h = h - image_size[0]
delta_w = w - image_size[1]
delta_h = h - image_size[0]
delta_w = w - image_size[1]
if reshape_mode == "random" or reshape_mode == "none":
top = np.random.randint(0, delta_h + 1)
left = np.random.randint(0, delta_w + 1)
elif reshape_mode == "center":
top, left = delta_h // 2, delta_w // 2
else:
raise NotImplementedError
arr = TT.functional.crop(arr, top=top, left=left, height=image_size[0], width=image_size[1])
return arr
if reshape_mode == "random" or reshape_mode == "none":
top = np.random.randint(0, delta_h + 1)
left = np.random.randint(0, delta_w + 1)
elif reshape_mode == "center":
top, left = delta_h // 2, delta_w // 2
else:
raise NotImplementedError
arr = TT.functional.crop(arr, top=top, left=left, height=image_size[0], width=image_size[1])
return arr
def _preprocess_data(self):
try:
@ -622,8 +622,7 @@ class VideoDataset(Dataset):
videos = []
for filename in self.instance_video_paths:
progress_dataset_bar.update(1)
video_reader = decord.VideoReader(uri=filename.as_posix(), width=self.width, height=self.height)
video_reader = decord.VideoReader(uri=filename.as_posix())
video_num_frames = len(video_reader)
start_frame = min(self.skip_frames_start, video_num_frames)
@ -651,8 +650,12 @@ class VideoDataset(Dataset):
# Training transforms
frames = (frames - 127.5) / 127.5
frames = frames.permute(0, 3, 1, 2) # [F, C, H, W]
progress_dataset_bar.set_description(
f"Loading progress Resizing video from {frames.shape[2]}x{frames.shape[3]} to {self.height}x{self.width}"
)
frames = self._resize_for_rectangle_crop(frames)
videos.append(frames.contiguous()) # [F, C, H, W]
progress_dataset_bar.update(1)
progress_dataset_bar.close()