summaryrefslogtreecommitdiff
path: root/libavcodec/h264.c
diff options
context:
space:
mode:
authorMichael Niedermayer <michaelni@gmx.at>2008-12-22 16:20:13 +0000
committerMichael Niedermayer <michaelni@gmx.at>2008-12-22 16:20:13 +0000
commit1952ac3713834e0e14f5700157c635acdb4da6f9 (patch)
tree1f10fbafa043e78302a321531449adda900a1fa2 /libavcodec/h264.c
parent03a035e059f441e9142c7a79f5ac208c1eb676c5 (diff)
Negate 2 more variables, 1 cpu cycle faster on pentium dual.
Originally committed as revision 16276 to svn://svn.ffmpeg.org/ffmpeg/trunk
Diffstat (limited to 'libavcodec/h264.c')
-rw-r--r--libavcodec/h264.c10
1 files changed, 5 insertions, 5 deletions
diff --git a/libavcodec/h264.c b/libavcodec/h264.c
index 40433ecb38..90e4190eda 100644
--- a/libavcodec/h264.c
+++ b/libavcodec/h264.c
@@ -5298,15 +5298,15 @@ static inline void compute_mb_neighbors(H264Context *h)
if(FRAME_MBAFF){
const int pair_xy = s->mb_x + (s->mb_y & ~1)*s->mb_stride;
const int top_pair_xy = pair_xy - s->mb_stride;
- const int top_mb_frame_flag = !IS_INTERLACED(s->current_picture.mb_type[top_pair_xy]);
- const int left_mb_frame_flag = !IS_INTERLACED(s->current_picture.mb_type[pair_xy-1]);
- const int curr_mb_frame_flag = !MB_FIELD;
+ const int top_mb_field_flag = IS_INTERLACED(s->current_picture.mb_type[top_pair_xy]);
+ const int left_mb_field_flag = IS_INTERLACED(s->current_picture.mb_type[pair_xy-1]);
+ const int curr_mb_field_flag = MB_FIELD;
const int bottom = (s->mb_y & 1);
- if (!curr_mb_frame_flag && (bottom || !top_mb_frame_flag)){
+ if (curr_mb_field_flag && (bottom || top_mb_field_flag)){
h->top_mb_xy -= s->mb_stride;
}
- if (left_mb_frame_flag != curr_mb_frame_flag) {
+ if (!left_mb_field_flag == curr_mb_field_flag) {
h->left_mb_xy[0] = pair_xy - 1;
}
} else if (FIELD_PICTURE) {