[FFmpeg-trac] #8033(avfilter:new): libavfilter/af_amix.c: mixing without volume renormalization

FFmpeg trac at avcodec.org
Wed Jul 24 00:36:10 EEST 2019

#8033: libavfilter/af_amix.c: mixing without volume renormalization
             Reporter:  CoRoNe    |                     Type:  enhancement
               Status:  new       |                 Priority:  wish
            Component:  avfilter  |                  Version:  git-master
             Keywords:  amix      |               Blocked By:
             Blocking:            |  Reproduced by developer:  0
Analyzed by developer:  0         |
 It seems the amix filter always does "volume renormalization" and there's
 no way to turn that off.
 I'd like to mix audio-segments at full volume and was actually looking for
 a similar approach as Avisynth's `MixAudio(clip1,clip2,1.0,1.0)` filter.
 No volume renormalization, just mixing.
 According to Paul Mahol this isn't possible at the moment.
 I'd like to request for this (imo obvious) feature to be implemented.

 For reference see: https://ffmpeg.org/pipermail/ffmpeg-

Ticket URL: <https://trac.ffmpeg.org/ticket/8033>
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