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| author | Michael Niedermayer <michaelni@gmx.at> | 2005-04-15 13:24:30 +0000 |
|---|---|---|
| committer | Michael Niedermayer <michaelni@gmx.at> | 2005-04-15 13:24:30 +0000 |
| commit | b44985ba12d927d643a7bc03b0db98b83bf4fc9e (patch) | |
| tree | 44e1461b5c2e62ce81a5be6402cb92262a1ec4a6 /tests | |
| parent | 2cd340438abc02fc3c4214b2a22ebbdd0affa7cd (diff) | |
| download | ffmpeg-b44985ba12d927d643a7bc03b0db98b83bf4fc9e.tar.gz | |
store the number of runs to avoid storing the last run value
about 10% lower bitrate for -qscale 32 (forman & some music video)
worst case bitrate increase <0.1% (lossless or low qscale)
and now the bad news, even though this just adds a single subtraction and an if() into the medium sized unpack_coeffs() loop and the if() will only be false once per unpac_coeff() call, gcc produces 50% slower code, i didnt look at the generated asm yet, not sure if i want to ...
Originally committed as revision 4131 to svn://svn.ffmpeg.org/ffmpeg/trunk
Diffstat (limited to 'tests')
| -rw-r--r-- | tests/ffmpeg.regression.ref | 8 | ||||
| -rw-r--r-- | tests/rotozoom.regression.ref | 8 |
2 files changed, 8 insertions, 8 deletions
diff --git a/tests/ffmpeg.regression.ref b/tests/ffmpeg.regression.ref index 81e4745804..1f920a97e6 100644 --- a/tests/ffmpeg.regression.ref +++ b/tests/ffmpeg.regression.ref @@ -119,12 +119,12 @@ a7ef4746f27be309138c188e327d3ebe *./data/a-ffv1.avi 2653642 ./data/a-ffv1.avi 799d3db687f6cdd7a837ec156efc171f *./data/out.yuv stddev: 0.00 PSNR:99.99 bytes:7602176 -98f6913d98bccb4ba4829ccde7286e8f *./data/a-snow.avi -1266766 ./data/a-snow.avi +24c1fcbcdb08052359679700056ef4e5 *./data/a-snow.avi +1267526 ./data/a-snow.avi 575fdd879119902a8289c825c2389dca *./data/out.yuv stddev: 2.96 PSNR:38.67 bytes:7602176 -28b6a82fdd8058e2df35778c9a5edbbf *./data/a-snow53.avi -3537074 ./data/a-snow53.avi +0c570833b736a8d4c8c428bf6e82272f *./data/a-snow53.avi +3537490 ./data/a-snow53.avi 799d3db687f6cdd7a837ec156efc171f *./data/out.yuv stddev: 0.00 PSNR:99.99 bytes:7602176 b5b6275f58f012de73644bbaa9080097 *./data/a-svq1.mov diff --git a/tests/rotozoom.regression.ref b/tests/rotozoom.regression.ref index 078df0a0d7..540f4176fc 100644 --- a/tests/rotozoom.regression.ref +++ b/tests/rotozoom.regression.ref @@ -119,12 +119,12 @@ d0831a8339491fd680b650f05262e5d9 *./data/a-ffv1.avi 3524768 ./data/a-ffv1.avi dde5895817ad9d219f79a52d0bdfb001 *./data/out.yuv stddev: 0.00 PSNR:99.99 bytes:7602176 -d1546d2176c4cd3913ccb0920e5e556f *./data/a-snow.avi -326454 ./data/a-snow.avi +2d665a41c46d8e581cf5898e85a2b55f *./data/a-snow.avi +326532 ./data/a-snow.avi c0b1b63dc45141c76d538edfd618ac19 *./data/out.yuv stddev: 2.40 PSNR:40.51 bytes:7602176 -8b510a8e4a26d6d469bd80b46922d5e6 *./data/a-snow53.avi -2724602 ./data/a-snow53.avi +d0a8bdb25d7ed641eab0debcac396eb7 *./data/a-snow53.avi +2725842 ./data/a-snow53.avi dde5895817ad9d219f79a52d0bdfb001 *./data/out.yuv stddev: 0.00 PSNR:99.99 bytes:7602176 920c610ec324b772d882b0717e375943 *./data/a-svq1.mov |