[FFmpeg-devel] [PATCH] trellis quantization support for adpcm_swf

[Benjamin Larsson]

Michael Niedermayer wrote:
> Hi
> 
> On Sun, Aug 19, 2007 at 06:04:47PM +0200, Benjamin Larsson wrote:
>> This patch adds trellis quantization for the flv/swf adpcm variant. And
>> it closes issue 79 in the issue tracker.
>>
>> With a random test file I get these benchmarks:
>>
>> without trellis:
>> stddev: 87.04 PSNR:57.52
>>
>> trellis level 1:
>> stddev: 81.96 PSNR:58.05
>>
>> trellis level 5:
>> stddev: 70.96 PSNR:59.30
> 
> very nice
> 

And for the record, I just adapted the code to use Lorens trellis code.

> 
> please seperate the reindention of the no trellis code from the
> functional changes
> 
> besides this iam ok with the patch
> 
> [...]

Applied.

MvH
Benjamin Larsson