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| author | Måns Rullgård <mans@mansr.com> | 2010-06-22 23:12:48 +0000 |
|---|---|---|
| committer | Måns Rullgård <mans@mansr.com> | 2010-06-22 23:12:48 +0000 |
| commit | 8fbd4f51a8bf8ae56303d1c7a18bf357b606df61 (patch) | |
| tree | 610d916dda31bc04e497492cceaabf7248813257 /libavcodec/h264idct.c | |
| parent | 25d3445811bd75df1de726973de00d1ebfaf9ed4 (diff) | |
| download | ffmpeg-8fbd4f51a8bf8ae56303d1c7a18bf357b606df61.tar.gz | |
Improve some uses of ff_cropTbl with constant offset
Originally committed as revision 23728 to svn://svn.ffmpeg.org/ffmpeg/trunk
Diffstat (limited to 'libavcodec/h264idct.c')
| -rw-r--r-- | libavcodec/h264idct.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/libavcodec/h264idct.c b/libavcodec/h264idct.c index da5c6a5182..31e072f984 100644 --- a/libavcodec/h264idct.c +++ b/libavcodec/h264idct.c @@ -143,24 +143,24 @@ void ff_h264_idct8_add_c(uint8_t *dst, DCTELEM *block, int stride){ // assumes all AC coefs are 0 void ff_h264_idct_dc_add_c(uint8_t *dst, DCTELEM *block, int stride){ int i, j; - uint8_t *cm = ff_cropTbl + MAX_NEG_CROP; int dc = (block[0] + 32) >> 6; + uint8_t *cm = ff_cropTbl + MAX_NEG_CROP + dc; for( j = 0; j < 4; j++ ) { for( i = 0; i < 4; i++ ) - dst[i] = cm[ dst[i] + dc ]; + dst[i] = cm[ dst[i] ]; dst += stride; } } void ff_h264_idct8_dc_add_c(uint8_t *dst, DCTELEM *block, int stride){ int i, j; - uint8_t *cm = ff_cropTbl + MAX_NEG_CROP; int dc = (block[0] + 32) >> 6; + uint8_t *cm = ff_cropTbl + MAX_NEG_CROP + dc; for( j = 0; j < 8; j++ ) { for( i = 0; i < 8; i++ ) - dst[i] = cm[ dst[i] + dc ]; + dst[i] = cm[ dst[i] ]; dst += stride; } } |