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| author | Michael Niedermayer <michaelni@gmx.at> | 2014-01-12 01:23:50 +0100 |
|---|---|---|
| committer | Michael Niedermayer <michaelni@gmx.at> | 2014-01-14 15:58:57 +0100 |
| commit | d9e556ebd04c755b61b7d56c796ec21bf8928adf (patch) | |
| tree | 8bc1983e947f45a5949ad9cddc401059cd8126b7 /libavcodec/simple_idct.c | |
| parent | 12bc33d7cd04d863466d4a2d18a7fbcb59372429 (diff) | |
| download | ffmpeg-d9e556ebd04c755b61b7d56c796ec21bf8928adf.tar.gz | |
avcodec/proresdsp & idct: move biasing from after the IDCT into the IDCT
This replaces 64 additions by 8 additions
MSE Changes from 0.04873672 to 0.05012422
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
Diffstat (limited to 'libavcodec/simple_idct.c')
| -rw-r--r-- | libavcodec/simple_idct.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/libavcodec/simple_idct.c b/libavcodec/simple_idct.c index 73f62b4021..eeb627999c 100644 --- a/libavcodec/simple_idct.c +++ b/libavcodec/simple_idct.c @@ -232,6 +232,8 @@ void ff_prores_idct(int16_t *block, const int16_t *qmat) for (i = 0; i < 8; i++) idctRowCondDC_10(block + i*8, 2); - for (i = 0; i < 8; i++) + for (i = 0; i < 8; i++) { + block[i] += 8192; idctSparseCol_10(block + i); + } } |