On 09/09/2010 05:44 AM, Nick Kichukov wrote: > I am using the latest SVN but it appears that down-mixing 6 channel AAC > audio to 2 channel via the request_channels flag is not supported. Although > I set the flag to 2 after the codec openning channels is again 6 and the > decoded audio is 6 channels. Is this the case and is there any other method > to downmix a 6 channel AAC to stereo via libav* DLLs ? Last time I checked, ffmpeg couldn't do this. So we implemented out own general purpose downmixer that is used whenever ffmpeg can't do the job. https://trac.handbrake.fr/browser/trunk/libhb/downmix.c
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