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https://git.ffmpeg.org/ffmpeg.git
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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>
47 lines
2.7 KiB
Plaintext
47 lines
2.7 KiB
Plaintext
ret: 0 st: 0 flags:1 dts: 0.000000 pts: 0.000000 pos: 5754 size:123508
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ret: 0 st:-1 flags:0 ts:-1.000000
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ret: 0 st: 0 flags:1 dts: 0.000000 pts: 0.000000 pos: 5754 size:123508
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ret: 0 st:-1 flags:1 ts: 1.894167
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ret: 0 st: 0 flags:1 dts: 1.880000 pts: 1.880000 pos:5744998 size:121152
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ret: 0 st: 0 flags:0 ts: 0.800000
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ret: 0 st: 0 flags:1 dts: 0.800000 pts: 0.800000 pos:2437994 size:122516
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ret:-1 st: 0 flags:1 ts:-0.320000
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ret:-1 st:-1 flags:0 ts: 2.576668
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ret: 0 st:-1 flags:1 ts: 1.470835
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ret: 0 st: 0 flags:1 dts: 1.480000 pts: 1.480000 pos:4523454 size:122784
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ret: 0 st: 0 flags:0 ts: 0.360000
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ret: 0 st: 0 flags:1 dts: 0.360000 pts: 0.360000 pos:1093870 size:121320
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ret:-1 st: 0 flags:1 ts:-0.760000
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ret:-1 st:-1 flags:0 ts: 2.153336
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ret: 0 st:-1 flags:1 ts: 1.047503
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ret: 0 st: 0 flags:1 dts: 1.040000 pts: 1.040000 pos:3173590 size:122784
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ret: 0 st: 0 flags:0 ts:-0.040000
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ret: 0 st: 0 flags:1 dts: 0.000000 pts: 0.000000 pos: 5754 size:123508
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ret: 0 st: 0 flags:1 ts: 2.840000
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ret: 0 st: 0 flags:1 dts: 1.960000 pts: 1.960000 pos:5987030 size:120672
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ret: 0 st:-1 flags:0 ts: 1.730004
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ret: 0 st: 0 flags:1 dts: 1.720000 pts: 1.720000 pos:5258650 size:121992
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ret: 0 st:-1 flags:1 ts: 0.624171
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ret: 0 st: 0 flags:1 dts: 0.640000 pts: 0.640000 pos:1947350 size:122568
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ret: 0 st: 0 flags:0 ts:-0.480000
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ret: 0 st: 0 flags:1 dts: 0.000000 pts: 0.000000 pos: 5754 size:123508
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ret: 0 st: 0 flags:1 ts: 2.400000
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ret: 0 st: 0 flags:1 dts: 1.960000 pts: 1.960000 pos:5987030 size:120672
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ret: 0 st:-1 flags:0 ts: 1.306672
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ret: 0 st: 0 flags:1 dts: 1.320000 pts: 1.320000 pos:4032694 size:122544
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ret: 0 st:-1 flags:1 ts: 0.200839
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ret: 0 st: 0 flags:1 dts: 0.200000 pts: 0.200000 pos: 609906 size:120724
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ret: 0 st: 0 flags:0 ts:-0.920000
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ret: 0 st: 0 flags:1 dts: 0.000000 pts: 0.000000 pos: 5754 size:123508
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ret: 0 st: 0 flags:1 ts: 2.000000
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ret: 0 st: 0 flags:1 dts: 1.960000 pts: 1.960000 pos:5987030 size:120672
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ret: 0 st:-1 flags:0 ts: 0.883340
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ret: 0 st: 0 flags:1 dts: 0.880000 pts: 0.880000 pos:2683062 size:122588
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ret:-1 st:-1 flags:1 ts:-0.222493
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ret:-1 st: 0 flags:0 ts: 2.680000
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ret: 0 st: 0 flags:1 ts: 1.560000
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ret: 0 st: 0 flags:1 dts: 1.560000 pts: 1.560000 pos:4768978 size:122556
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ret: 0 st:-1 flags:0 ts: 0.460008
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ret: 0 st: 0 flags:1 dts: 0.480000 pts: 0.480000 pos:1458406 size:121888
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ret:-1 st:-1 flags:1 ts:-0.645825
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