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avcodec/jpeg2000: Move gainb handling into the quantization code

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thats how the specification defines it, this also improves numerical
accuracy of the integer wavelet implementation. It otherwise should
be equivalent, in case of overflows this can be reverted.

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer
2015-06-22 01:30:33 +02:00
parent 6504047f82
commit 1c495b0bf6
8 changed files with 54 additions and 55 deletions
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8
tests/ref/vsynth/vsynth3-jpeg2000-97
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@@ -1,4 +1,4 @@
36dddf487c4919d890db3484ab5d6486 *tests/data/fate/vsynth3-jpeg2000-97.avi
66522 tests/data/fate/vsynth3-jpeg2000-97.avi
332c0924bc1477a41eb413455c5b9d90 *tests/data/fate/vsynth3-jpeg2000-97.out.rawvideo
stddev: 6.17 PSNR: 32.32 MAXDIFF: 51 bytes: 86700/ 86700
d551b1b1bfc691356e6f45f4386aff1d *tests/data/fate/vsynth3-jpeg2000-97.avi
92144 tests/data/fate/vsynth3-jpeg2000-97.avi
533535dad2ccc7aef3eb0e7ccb239bf2 *tests/data/fate/vsynth3-jpeg2000-97.out.rawvideo
stddev: 4.60 PSNR: 34.87 MAXDIFF: 46 bytes: 86700/ 86700