[FFmpeg-trac] #4698(avcodec:closed): Wrong channel layout for FLAC 3/1 channels on playback

FFmpeg trac at avcodec.org
Mon Jul 20 11:02:19 CEST 2015


#4698: Wrong channel layout for FLAC 3/1 channels on playback
-------------------------------------+-----------------------------------
             Reporter:  Mango        |                    Owner:
                 Type:  defect       |                   Status:  closed
             Priority:  normal       |                Component:  avcodec
              Version:  unspecified  |               Resolution:  invalid
             Keywords:  flac         |               Blocked By:
             Blocking:               |  Reproduced by developer:  0
Analyzed by developer:  0            |
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Comment (by Mango):

 Replying to [comment:30 heleppkes]:
 > What you think is 3/1 is what ffmpeg calls 4.0
 > Any other application failing to use ffmpeg correctly is their fault,
 not ffmpegs fault - so report it to Kodi if they handle it improperly.
 >
 > Note that playing over HDMI is another topic entirely, HDMI does not
 properly carry a channel layout when playing raw PCM, thats entirely
 unrelated to how the audio was encoded.

 Ok, so VLC, kodi, etc.. are at fault. I'll report this to them. Thanks.

 As I understand there is nothing wrong So:

 1. Can you remove the red error on encoding?

 2. have ffplay and ffprobe show the correct 3/1 (next to 4.0) and Channel
 positions: Front: L C R, Back: C like mediainfo so that we can see this
 important information.

 Thanks.

--
Ticket URL: <https://trac.ffmpeg.org/ticket/4698#comment:37>
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