Re: ff_audio_multichannel_support

zaverel <[email protected]> Mon, 06 May 2013 18:06:40 +0200
Newsgroups gmane.comp.video.xine.devel
Message-ID <[email protected]>
Hello,

i just test your patch:

it's seem it break atleast eac3 (5.1 and 2.0) sound from dvb-t hd 
channels with segfault.

i can do more test and provide a sample if you want.

See you




Le 06/05/2013 15:11, Torsten Jager a écrit :
> Hello,
>
> this one fixes multichannel (> 2.0) audio playback via ff_audio_dec:
>
> [ff_audio_channel_mixer_2.diff]
> ff_audio_dec: fix multichannel playback
>
> When a surround sound system is used:
> swap center/bass vs rear left/right where they belong.
>
> When there are more channels than speakers:
> Downmix to front as appropriate.
>
> eg. 5.1 -> 2.0 yields
> [left + center + bass + rear left] [right + center + bass + rear right]
>
> This way you will still hear everything, including environment
> noise and voices both before and behind the camera.
>
> Torsten
>
>


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