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fix: robust trim/crop for edge-case videos and pass-through previews

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This commit is contained in:
Terry Jia
2026-08-09 18:10:55 -04:00
parent e567f78876
commit 39374ea8eb
2 changed files with 35 additions and 8 deletions
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17
comfy_api/latest/_input_impl/video_types.py
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@@ -606,8 +606,13 @@ class VideoFromFile(VideoInput):
duration_cap = math.ceil(duration * sample_rate)
import comfy.utils
raw_duration = self._get_raw_duration()
window_seconds = duration if duration else max(raw_duration - start_time, 0.0)
if duration:
window_seconds = duration
else:
try:
window_seconds = max(self._get_raw_duration() - start_time, 0.0)
except ValueError:
window_seconds = 0.0
progress_total = max(1, int(round(window_seconds * float(rate))))
pbar = comfy.utils.ProgressBar(progress_total)
@@ -707,6 +712,12 @@ class VideoFromFile(VideoInput):
crop_rect = normalize_crop_rect(*self.__crop, out_width, out_height)
if crop_rect is not None:
out_width, out_height = crop_rect[2], crop_rect[3]
if (out_width % 2 or out_height % 2) and crop_rect is None:
even_width = out_width - out_width % 2
even_height = out_height - out_height % 2
if even_width > 0 and even_height > 0:
crop_rect = (0, 0, even_width, even_height)
out_width, out_height = even_width, even_height
if out_width % 2 or out_height % 2:
raise ValueError(f"H.264 output requires even dimensions, got {out_width}x{out_height}")
source_size = (frame.width, frame.height)
@@ -873,7 +884,7 @@ class VideoFromFile(VideoInput):
duration=duration,
crop=self.__crop,
)
if trimmed.get_duration() < duration and strict_duration:
if strict_duration and duration and trimmed.get_duration() < duration:
return None
return trimmed