[FFmpeg-devel] [PATCH] bug with multitracks file

Larbi Joubala larbi.joubala
Fri Jun 25 11:10:02 CEST 2010


Ok but can we fix the issue without appliying our patch but integrate 
this patch in the code? Our patch is simple. It just increases the 
"MAX_STREAMS" of avformat.h to a big value (90 in our case) in order to 
support multitracks file(>20 streams) with which we work(MP4 or ASF).
> On Tue, Jun 22, 2010 at 09:49:08AM +0100, Larbi Joubala wrote:
>    
>> Hello,
>>
>> We have patched our ffmpeg to support multitracks file (>  20
>> tracks). We have done this because we work with multitracks file
>> (MP4 and ASF). When we launch the ffmpeg command above to just
>> display the characteristics of the input file, ffmpeg displays the 3
>> video tracks and 23 audio tracks. So the patch works. But the patch
>> works only until a certain version of ffmpeg. Recent versions of
>> ffmpeg(roughly>  23200) makes the patch doesn't work. When we say
>> the patch doesn't work that's because when we launch the ffmpeg
>> command above, ffmpeg only displays one video track and one audio
>> track.
>>
>> ffpmpeg -i "3wmv3_23wma2.wmv"
>>
>> the file "3wmv3_23wma2.wmv" with a README and the patch have been
>> uploaded into MPlayer FTP server
>> /MPlayer/incoming/multitracks_file_bug.
>>      
> This has been fixed in r23732.
>
> Aurel
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>
>    

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