[FFmpeg-trac] #2859(swresample:open): -ac downmix fails.

FFmpeg trac at avcodec.org
Tue Aug 20 12:35:10 CEST 2013

#2859: -ac downmix fails.
             Reporter:  Mista_D     |                    Owner:
                 Type:  defect      |                   Status:  open
             Priority:  important   |                Component:  swresample
              Version:  git-master  |               Resolution:
             Keywords:  regression  |               Blocked By:
             Blocking:              |  Reproduced by developer:  1
Analyzed by developer:  0           |
Changes (by cehoyos):

 * status:  new => open
 * reproduced:  0 => 1
 * component:  undetermined => swresample
 * priority:  normal => important
 * version:  unspecified => git-master
 * keywords:   => regression


 From a users perspective this is a regression since f8d74cbd, simply
 reverting the change works fine (I will attach a patch that I originally
 created), I don't understand what it is supposed to do.
 If the intended use-case is "Use the downmix instead of the original (5.1)
 sound" then it should only be used if out_ch_layout is mono or stereo
 and/or depending on a user option.

Ticket URL: <https://ffmpeg.org/trac/ffmpeg/ticket/2859#comment:1>
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