[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
software.
* 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>
FFmpeg <http://ffmpeg.org>
FFmpeg issue tracker
More information about the FFmpeg-trac
mailing list