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Only execute clear_blocks() when needed.

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+0.3% speedup for both aladin & cathedral.

Originally committed as revision 16252 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Michael Niedermayer 2008-12-21 15:58:42 +00:00
parent 897c1703d0
commit c212fb0cb1
1 changed files with 3 additions and 4 deletions
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7
libavcodec/h264.c
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@ -2595,6 +2595,9 @@ static av_always_inline void hl_decode_mb_internal(H264Context *h, int simple){
}
}
}
if(h->cbp || IS_INTRA(mb_type))
s->dsp.clear_blocks(h->mb);
if(h->deblocking_filter) {
backup_mb_border(h, dest_y, dest_cb, dest_cr, linesize, uvlinesize, simple);
fill_caches(h, mb_type, 1); //FIXME don't fill stuff which isn't used by filter_mb
@ -4262,8 +4265,6 @@ static int decode_mb_cavlc(H264Context *h){
mb_xy = h->mb_xy = s->mb_x + s->mb_y*s->mb_stride;
s->dsp.clear_blocks(h->mb); //FIXME avoid if already clear (move after skip handlong?
tprintf(s->avctx, "pic:%d mb:%d/%d\n", h->frame_num, s->mb_x, s->mb_y);
cbp = 0; /* avoid warning. FIXME: find a solution without slowing
down the code */
@ -5340,8 +5341,6 @@ static int decode_mb_cabac(H264Context *h) {
mb_xy = h->mb_xy = s->mb_x + s->mb_y*s->mb_stride;
s->dsp.clear_blocks(h->mb); //FIXME avoid if already clear (move after skip handlong?)
tprintf(s->avctx, "pic:%d mb:%d/%d\n", h->frame_num, s->mb_x, s->mb_y);
if( h->slice_type_nos != FF_I_TYPE ) {
int skip;