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Code Issues Releases Activity

Use left_mb_xy from fill_caches instead of recalculating it.

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Originally committed as revision 21459 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Michael Niedermayer 2010-01-26 14:57:53 +00:00
parent a715af8ff4
commit 18ea2f933c
1 changed files with 3 additions and 5 deletions
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8
libavcodec/h264_loopfilter.c
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@ -622,8 +622,6 @@ void ff_h264_filter_mb( H264Context *h, int mb_x, int mb_y, uint8_t *img_y, uint
/* First vertical edge is different in MBAFF frames
* There are 8 different bS to compute and 2 different Qp
*/
const int pair_xy = mb_x + (mb_y&~1)*s->mb_stride;
const int left_mb_xy[2] = { pair_xy-1, pair_xy-1+s->mb_stride };
DECLARE_ALIGNED_8(int16_t, bS)[8];
int qp[2];
int bqp[2];
@ -637,7 +635,7 @@ void ff_h264_filter_mb( H264Context *h, int mb_x, int mb_y, uint8_t *img_y, uint
*(uint64_t*)&bS[4]= 0x0004000400040004ULL;
else {
for( i = 0; i < 8; i++ ) {
int mbn_xy = MB_FIELD ? left_mb_xy[i>>2] : left_mb_xy[i&1];
int mbn_xy = MB_FIELD ? h->left_mb_xy[i>>2] : h->left_mb_xy[i&1];
if( IS_INTRA( s->current_picture.mb_type[mbn_xy] ) )
bS[i] = 4;
@ -653,8 +651,8 @@ void ff_h264_filter_mb( H264Context *h, int mb_x, int mb_y, uint8_t *img_y, uint
}
mb_qp = s->current_picture.qscale_table[mb_xy];
mbn0_qp = s->current_picture.qscale_table[left_mb_xy[0]];
mbn1_qp = s->current_picture.qscale_table[left_mb_xy[1]];
mbn0_qp = s->current_picture.qscale_table[h->left_mb_xy[0]];
mbn1_qp = s->current_picture.qscale_table[h->left_mb_xy[1]];
qp[0] = ( mb_qp + mbn0_qp + 1 ) >> 1;
bqp[0] = ( get_chroma_qp( h, 0, mb_qp ) +
get_chroma_qp( h, 0, mbn0_qp ) + 1 ) >> 1;