[FFmpeg-trac] #9347(ffmpeg:closed): ... (was: volume=replaygain=track requires a + sign in front of positive values, but this is not standard replaygain spec)
FFmpeg
trac at avcodec.org
Sun Jul 25 04:28:18 EEST 2021
#9347: ...
-------------------------------------+-------------------------------------
Reporter: simcc | Owner: (none)
Type: defect | Status: closed
Priority: normal | Component: ffmpeg
Version: unspecified | Resolution: duplicate
Keywords: ReplayGain | Blocked By:
Blocking: | Reproduced by developer: 0
Analyzed by developer: 0 |
-------------------------------------+-------------------------------------
Changes (by simcc):
* summary:
volume=replaygain=track requires a + sign in front of positive
values, but this is not standard replaygain spec
=> ...
Old description:
> Summary of the bug:
> The RGv2 specification clearly mentions the format of the tags, and it
> should not contain a '+' char. Try any files with replay_track_gain tags
> with positive values, i.e. 9.70 will not work, but if you adjust the
> metadata manually to +9.70, then it does work.
> How to reproduce:
> {{{
> % ffmpeg -i input.m4a -af volume=replaygain=track output.m4a
>
> ffmpeg -i input.mp4 -c:v copy -af volume=replaygain=track output.mp4
>
> etc.
>
> ffmpeg version 4.4
> built on OSX w/ homebrew
> }}}
New description:
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Ticket URL: <https://trac.ffmpeg.org/ticket/9347#comment:2>
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