[FFmpeg-trac] #4388(undetermined:closed): Audio filter which is set for a specific track is affecting all tracks
FFmpeg
trac at avcodec.org
Fri Mar 27 05:26:34 CET 2015
#4388: Audio filter which is set for a specific track is affecting all tracks
-------------------------------------+-------------------------------------
Reporter: Drag0nFly | Owner:
Type: enhancement | Status: closed
Priority: normal | Component:
Version: 2.6 | undetermined
Keywords: | Resolution: invalid
Blocking: | Blocked By:
Analyzed by developer: 0 | Reproduced by developer: 0
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Changes (by llogan):
* keywords: audio filtergraph multiple tracks streamcopy =>
* status: new => closed
* resolution: => invalid
Comment:
Please note that this bug tracker is not a support forum, but I guess you
weren't sure if you were experiencing a bug or not. Next time user
questions should be asked on the ffmpeg-user mailing list or #ffmpeg IRC
channel.
The problem is with your command. Do all complex filtering with one
filtergraph and explicitly list your mappings. Something like this should
work for you (although I don't think it's worth re-encoding to crop 8
pixels and raise volume of a stream...just do those upon playback with a
non-retarded player):
{{{
ffmpeg -i input -filter_complex
"[0:v]crop=iw:ih-8[v];[0:a:0]volume=+6.4dB[a]" -map "[v]" -map "[a]" -map
0:a:1 -map 0:a:2 -map 0:s -c:v libx264 -c:a:0 flac -c:a:1 copy -c:a:2 copy
-c:s copy output
}}}
It can possibly be made shorter with negative mappings and/or with
overriding broader `-codec` options by following them with more specific
ones. I see no reason to use those `-x264opts` when your `-preset` will
deal with all of that.
If you have any additional questions they should be directed to the
mailing list or IRC channel.
--
Ticket URL: <https://trac.ffmpeg.org/ticket/4388#comment:1>
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