[Ffmpeg-devel] [PATCH] Vorbis fix

[Benjamin Larsson]

M?ns Rullg?rd wrote:

>Balatoni Denes <dbalatoni at programozo.hu> writes:
>
>  
>
>>Hi!
>>
>>Hopefully this patch corrects the decoding.
>>    
>>
>
>As I've said previously, the multichannel decoding is working now.
>The only quirk is that it disagrees somewhat with ALSA about which
>channel goes where.  Of course vorbis has to use a different channel
>order from everybody else.
>
>Something that worries me more, is that the lavc decoder produces
>somewhat different output than libvorbis.  The difference is not
>enough to be audible, but it's more than a result of different
>rounding methods.  Any ideas?
>
>  
>
The imdct produce small errors with large mdct-sizes. Could be one reason.

MvH
Benjamin Larsson