[FFmpeg-trac] #4297(undetermined:new): video sync errors and missing stream after clipping h264 files
FFmpeg
trac at avcodec.org
Thu Feb 5 18:06:43 CET 2015
#4297: video sync errors and missing stream after clipping h264 files
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Reporter: seahorse41 | Owner:
Type: defect | Status: new
Priority: important | Component:
Version: git-master | undetermined
Keywords: h264 video | Resolution:
sync clip | Blocked By:
Blocking: | Reproduced by developer: 0
Analyzed by developer: 0 |
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Comment (by seahorse41):
No that does not solve the problem.
{{{
> ffmpeg -i 20150204_1037_beaverDam7_rec_5472.MOV -c:v h264 -s 640x360
-c:a mp2 test2-ea-1.mov
> ffmpeg -i test2-ea-1.mov -ss 12 -t 8 -c copy test2-ea-2.mov
}}}
The aud/vid sync goes bad in the second file: test2-ea-2.mov
Even if that solved the problem, it would lose audio quality if I re-
encoded the audio. I would end up remapping later the original audio track
back in to whatever re-encoded video I made.
--
Ticket URL: <https://trac.ffmpeg.org/ticket/4297#comment:2>
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