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Fix audio extraction and truncation bugs (#12652)

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Bug report in #12651

- to_skip fix: Prevents negative array slicing when the start offset is negative.
- __duration check: Prevents the extraction loop from breaking after a single audio chunk when the requested duration is 0 (which is a sentinel for unlimited).
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2026-03-13 00:44:15 +00:00
committed by GitHub
parent d1d53c14be
commit 5df1427124
1 changed files with 2 additions and 2 deletions
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4
comfy_api/latest/_input_impl/video_types.py
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@@ -272,7 +272,7 @@ class VideoFromFile(VideoInput):
has_first_frame = False
for frame in frames:
offset_seconds = start_time - frame.pts * audio_stream.time_base
to_skip = int(offset_seconds * audio_stream.sample_rate)
to_skip = max(0, int(offset_seconds * audio_stream.sample_rate))
if to_skip < frame.samples:
has_first_frame = True
break
@@ -280,7 +280,7 @@ class VideoFromFile(VideoInput):
audio_frames.append(frame.to_ndarray()[..., to_skip:])
for frame in frames:
if frame.time > start_time + self.__duration:
if self.__duration and frame.time > start_time + self.__duration:
break
audio_frames.append(frame.to_ndarray()) # shape: (channels, samples)
if len(audio_frames) > 0: