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

Benjamin Larsson banan
Sun Aug 19 18:04:47 CEST 2007

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

Benjamin Larsson
-------------- next part --------------
A non-text attachment was scrubbed...
Name: flash_trellis_adpcm.diff
Type: text/x-patch
Size: 2520 bytes
Desc: not available
URL: <http://lists.mplayerhq.hu/pipermail/ffmpeg-devel/attachments/20070819/47e58a82/attachment.bin>

More information about the ffmpeg-devel mailing list