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Move the qp check to skip the loop filter up.

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Originally committed as revision 21274 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Michael Niedermayer 2010-01-18 00:20:44 +00:00
parent b6303e6d2a
commit 44a5e7b64c
3 changed files with 23 additions and 15 deletions
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3
libavcodec/h264.c
View File

@ -2184,7 +2184,8 @@ static void loop_filter(H264Context *h){
uvlinesize = h->mb_uvlinesize = s->uvlinesize;
}
backup_mb_border(h, dest_y, dest_cb, dest_cr, linesize, uvlinesize, !is_complex);
fill_filter_caches(h, mb_type); //FIXME don't fill stuff which isn't used by filter_mb
if(fill_filter_caches(h, mb_type) < 0)
continue;
h->chroma_qp[0] = get_chroma_qp(h, 0, s->current_picture.qscale_table[mb_xy]);
h->chroma_qp[1] = get_chroma_qp(h, 1, s->current_picture.qscale_table[mb_xy]);

24
libavcodec/h264.h
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@ -726,7 +726,7 @@ static inline int get_chroma_qp(H264Context *h, int t, int qscale){
static inline void pred_pskip_motion(H264Context * const h, int * const mx, int * const my);
static av_always_inline void fill_caches(H264Context *h, int mb_type, int for_deblock){
static av_always_inline int fill_caches(H264Context *h, int mb_type, int for_deblock){
MpegEncContext * const s = &h->s;
const int mb_xy= h->mb_xy;
int topleft_xy, top_xy, topright_xy, left_xy[2];
@ -795,6 +795,19 @@ static av_always_inline void fill_caches(H264Context *h, int mb_type, int for_de
h->left_mb_xy[0] = left_xy[0];
h->left_mb_xy[1] = left_xy[1];
if(for_deblock){
//for sufficiently low qp, filtering wouldn't do anything
//this is a conservative estimate: could also check beta_offset and more accurate chroma_qp
if(!FRAME_MBAFF){
int qp_thresh = h->qp_thresh;
int qp = s->current_picture.qscale_table[mb_xy];
if(qp <= qp_thresh
&& (s->mb_x == 0 || ((qp + s->current_picture.qscale_table[mb_xy-1] + 1)>>1) <= qp_thresh)
&& (top_xy < 0 || ((qp + s->current_picture.qscale_table[top_xy ] + 1)>>1) <= qp_thresh)){
return 1;
}
}
*((uint64_t*)&h->non_zero_count_cache[0+8*1])= *((uint64_t*)&h->non_zero_count[mb_xy][ 0]);
*((uint64_t*)&h->non_zero_count_cache[0+8*2])= *((uint64_t*)&h->non_zero_count[mb_xy][ 8]);
*((uint32_t*)&h->non_zero_count_cache[0+8*5])= *((uint32_t*)&h->non_zero_count[mb_xy][16]);
@ -1186,14 +1199,19 @@ static av_always_inline void fill_caches(H264Context *h, int mb_type, int for_de
if(!for_deblock)
h->neighbor_transform_size= !!IS_8x8DCT(top_type) + !!IS_8x8DCT(left_type[0]);
return 0;
}
static void fill_decode_caches(H264Context *h, int mb_type){
fill_caches(h, mb_type, 0);
}
static void fill_filter_caches(H264Context *h, int mb_type){
fill_caches(h, mb_type, 1);
/**
*
* @returns non zero if the loop filter can be skiped
*/
static int fill_filter_caches(H264Context *h, int mb_type){
return fill_caches(h, mb_type, 1);
}
/**

11
libavcodec/h264_loopfilter.c
View File

@ -651,17 +651,6 @@ void ff_h264_filter_mb( H264Context *h, int mb_x, int mb_y, uint8_t *img_y, uint
av_unused int dir;
int list;
//for sufficiently low qp, filtering wouldn't do anything
//this is a conservative estimate: could also check beta_offset and more accurate chroma_qp
if(!FRAME_MBAFF){
int qp_thresh = h->qp_thresh;
int qp = s->current_picture.qscale_table[mb_xy];
if(qp <= qp_thresh
&& (mb_x == 0 || ((qp + s->current_picture.qscale_table[mb_xy-1] + 1)>>1) <= qp_thresh)
&& (h->top_mb_xy < 0 || ((qp + s->current_picture.qscale_table[h->top_mb_xy] + 1)>>1) <= qp_thresh)){
return;
}
}
// CAVLC 8x8dct requires NNZ values for residual decoding that differ from what the loop filter needs
if(!h->pps.cabac && h->pps.transform_8x8_mode){
int top_type, left_type[2];