generic-library/ffmpeg
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity
36091742d1
ffmpeg/tests/ref/vsynth/vsynth3-ffvhuff444

5 lines
269 B
Plaintext
Raw Normal View History

huffyuv: change statistics initialization 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>
2014-06-11 22:15:12 +02:00
134851e6f9702e83c4c9aa6e5ff1eaa4 *tests/data/fate/vsynth3-ffvhuff444.avi
151362 tests/data/fate/vsynth3-ffvhuff444.avi
tests: add a third, 34x34, target This should exercise the corner cases of numerous codecs. Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
2014-05-30 11:58:57 +02:00
02a85ec07377df6b483281038f8882ee *tests/data/fate/vsynth3-ffvhuff444.out.rawvideo
stddev: 3.06 PSNR: 38.40 MAXDIFF: 40 bytes: 86700/ 86700
Reference in New Issue Copy Permalink