[FFmpeg-trac] #468(avformat:new): No audio tracks in QuickTime

FFmpeg trac at avcodec.org
Sat Dec 15 18:31:44 CET 2012

#468: No audio tracks in QuickTime
             Reporter:  Alex__  |                    Owner:
                 Type:  defect  |                   Status:  new
             Priority:  normal  |                Component:  avformat
              Version:  0.8.2   |               Resolution:
             Keywords:          |               Blocked By:
             Blocking:          |  Reproduced by developer:  0
Analyzed by developer:  0       |

Comment (by yorn):

 Hi, I have been having similar problems with ffmpeg and I found out some
 extra information that might be of use:
 (these observations have been made using the files published by AmshTemp)

  *  QuickTime 7, iTunes and iOS (iPhone/iPod/iPad etc.) play both files
 correctly (just one sound at a time)
  *  QuickTime X behaves a bit weird; the ffmpeg file plays all audio
 tracks at once, the handbrake file plays the first audio track (which is
 Arabic, even if Arabic is not your preferred language). QuickTime 7 picks
 English in both files, which is my preferred language. Also iTunes picks
 the preferred language.
  *  The languages French, German and Persian are not displayed correctly
 with the FFmpeg file; this is because of the incorrect language codes
 used. I am not sure whether this is an FFmpeg bug or a mistake made by the
 person who encoded the file (fra/fre, ger/deu, per/fas). I don't know
 either whether this is an error in Apple software since it's swe for
 swedish and not sve (svensk). Handbrake does use the terms used by Apple
  *  The audio tracks in Handbrake are named "Stereo". In my Handbrake
 generated file my two tracks are named "Stereo" and "Surround". These
 names cannot be observed within ffmpeg and I did not manage to use ffmpeg
 to set these stream/channel names (whatever the correct term may be). It
 would be nice to have the possibility to name streams as well in ffmpeg.
 Maybe I'll make a seperate ticket for that.

 I did not see any case where iTunes 11 shows different behaviour from iOS.

Ticket URL: <https://ffmpeg.org/trac/ffmpeg/ticket/468#comment:23>
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