#678: Warn that filtering is disabled when copying streams
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Reporter: llogan | Owner:
Type: enhancement | Status: new
Priority: wish | Component:
Version: git-master | undetermined
Keywords: | Resolution:
Blocking: | Blocked By:
Analyzed by developer: 0 | Reproduced by developer: 0
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Comment (by dfavor):
Seems best to give examples of what "does" work also.
For example, this also fails...
ffmpeg -i in.mp4 -c:a copy -vf copy,setdar=dar=0,setsar=sar=0 out.mp4
Based on comments in the email thread that spawned this ticket, this type
of filter chain will fail on all compressed streams,
so having an h264 video stream automatically fails.
Suggest docs include...
1) mention of what codecs are supported + unsupported for this operation
2) example of a working -vf copy ffmpeg command line invocation
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Ticket URL: <https://ffmpeg.org/trac/ffmpeg/ticket/678#comment:1>
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