[FFmpeg-devel] MPEG TS encoding problem on change from stereo to mono, pay for fix

[Vladimir Pantelic]

Andreas Unterhuber wrote:
> Hi Reimar,
>
> thanks for your feedback and advice. Do you find the time to write such a patch? It seems there is no other interest around here...

maybe try: http://www.ffmpeg.org/consulting.html

> Best regards,
> Andreas
>
> Am 18.11.2010 um 21:07 schrieb Reimar D?ffinger:
>
>>  On Thu, Nov 18, 2010 at 05:09:20PM +0100, Andreas Unterhuber wrote:
>>>  I published at https://roundup.ffmpeg.org/issue2292 a bug that causes strange noise after change of mono to stereo or similar.
>>>  If you can commit a fix to make changing audio channel rates in the demo file (attached in the bug tracker or I will provide another bigger file) work correctly, I'll pay $350.
>>
>>  Tip for anyone who needs money:
>>  Look at ffmpeg.c, line 804:
>>     if (ost->audio_resample&&  !ost->resample) {
>>  This condition is insufficent, ost->resample cannot be re-used
>>  but must be freed and re-created if the number of channels
>>  from the decoder changed.
>>  Strictly, this all also should handle the channel mask properly,
>>  but that is work beyond this bug-fix.
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>
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