mirror of
https://git.ffmpeg.org/ffmpeg.git
synced 2024-10-01 10:40:48 +00:00
e7fc5d53a0
Normally, a Laplace distribution is more typical of the residuals encoded, but for noisy input, it's both better and simpler to be safe and use a 1/d^2 distribution. Second hunk could use some renormalization but it has effectively little impact. Output size of ffvhuff on various 4:2:0 sequences: context=0,1/d: 851974 27226 1137281 context=0,1/d²: 619081 25069 1051500 context=0,1/d³: 501983 30454 1290561 context=0,lapl: 500650 31754 1304082 Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
5 lines
292 B
Plaintext
5 lines
292 B
Plaintext
43705266ad32d9b98feb54d59c05b83e *tests/data/fate/vsynth1-ffvhuff422p10left.avi
|
|
13860680 tests/data/fate/vsynth1-ffvhuff422p10left.avi
|
|
c31e6caada921ffa3daad3432ef3b754 *tests/data/fate/vsynth1-ffvhuff422p10left.out.rawvideo
|
|
stddev: 1.85 PSNR: 42.78 MAXDIFF: 29 bytes: 7603200/ 7603200
|