[FFmpeg-devel] [PATCH] WMA Lossless: reset channel residues between subframes

Benjamin Larsson benjamin at southpole.se
Thu Apr 12 10:36:34 CEST 2012

On 04/12/2012 12:24 AM, Jakub Stachowski wrote:
> Hello
> Attached patch fixes bug #1055. It causes channel residues to be reset 
> to 0 if they are not decoded from bitstream (is_channel_coded==0). 
> Without the patch, residues from last decoded subframe would be used, 
> which causes bursts of random noise in silent part of some files.
> I am not sure if channel residues should not be reset in case of raw 
> pcm tiles, however I don't have any test file for that.

Sounds ok. But Mashiat should look at it also.

Benjamin Larsson

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