Chiebot-Mirror
/
FFmpeg
mirror of https://github.com/FFmpeg/FFmpeg.git
8
0
Fork 0
Code Issues Projects Releases Wiki Activity

Split fill_caches() between loopfilter & decode, the 2 no longer where common

Browse Source 
enough to justify the messy interleaving.

Originally committed as revision 21469 to svn://svn.ffmpeg.org/ffmpeg/trunk
release/0.6
Michael Niedermayer 15 years ago
parent 5a0f713118
commit 599fe45b8d
1 changed files with 213 additions and 173 deletions
Whitespace
Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL
Unified View
Diff Options
Show Stats Download Patch File Download Diff File
  1. 386
      libavcodec/h264.h

386
libavcodec/h264.h
Unescape View File

@ -729,7 +729,7 @@ 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 inline void pred_pskip_motion(H264Context * const h, int * const mx, int * const my);
static av_always_inline int fill_caches(H264Context *h, int mb_type, int for_deblock){ static void fill_decode_caches(H264Context *h, int mb_type){
MpegEncContext * const s = &h->s; MpegEncContext * const s = &h->s;
const int mb_xy= h->mb_xy; const int mb_xy= h->mb_xy;
int topleft_xy, top_xy, topright_xy, left_xy[2]; int topleft_xy, top_xy, topright_xy, left_xy[2];
@ -746,10 +746,6 @@ static av_always_inline int fill_caches(H264Context *h, int mb_type, int for_deb
top_xy = mb_xy - (s->mb_stride << MB_FIELD); top_xy = mb_xy - (s->mb_stride << MB_FIELD);
//FIXME deblocking could skip the intra and nnz parts.
// if(for_deblock && (h->slice_num == 1 || h->slice_table[mb_xy] == h->slice_table[top_xy]) && !FRAME_MBAFF)
// return;
/* Wow, what a mess, why didn't they simplify the interlacing & intra /* Wow, what a mess, why didn't they simplify the interlacing & intra
* stuff, I can't imagine that these complex rules are worth it. */ * stuff, I can't imagine that these complex rules are worth it. */
@ -762,10 +758,6 @@ static av_always_inline int fill_caches(H264Context *h, int mb_type, int for_deb
const int curr_mb_field_flag = IS_INTERLACED(mb_type); const int curr_mb_field_flag = IS_INTERLACED(mb_type);
if(s->mb_y&1){ if(s->mb_y&1){
if (left_mb_field_flag != curr_mb_field_flag) { if (left_mb_field_flag != curr_mb_field_flag) {
if(for_deblock){
left_xy[0] = mb_xy - s->mb_stride - 1;
left_xy[1] = mb_xy - 1;
}else{
left_xy[1] = left_xy[0] = mb_xy - s->mb_stride - 1; left_xy[1] = left_xy[0] = mb_xy - s->mb_stride - 1;
if (curr_mb_field_flag) { if (curr_mb_field_flag) {
left_xy[1] += s->mb_stride; left_xy[1] += s->mb_stride;
@ -776,7 +768,6 @@ static av_always_inline int fill_caches(H264Context *h, int mb_type, int for_deb
topleft_partition = 0; topleft_partition = 0;
left_block = left_block_options[1]; left_block = left_block_options[1];
} }
}
} }
}else{ }else{
if(curr_mb_field_flag){ if(curr_mb_field_flag){
@ -785,10 +776,6 @@ static av_always_inline int fill_caches(H264Context *h, int mb_type, int for_deb
top_xy += s->mb_stride & (((s->current_picture.mb_type[top_xy ]>>7)&1)-1); top_xy += s->mb_stride & (((s->current_picture.mb_type[top_xy ]>>7)&1)-1);
} }
if (left_mb_field_flag != curr_mb_field_flag) { if (left_mb_field_flag != curr_mb_field_flag) {
if(for_deblock){
left_xy[0] = mb_xy - 1;
left_xy[1] = mb_xy + s->mb_stride - 1;
}else{
left_xy[1] = left_xy[0] = mb_xy - 1; left_xy[1] = left_xy[0] = mb_xy - 1;
if (curr_mb_field_flag) { if (curr_mb_field_flag) {
left_xy[1] += s->mb_stride; left_xy[1] += s->mb_stride;
@ -796,7 +783,6 @@ static av_always_inline int fill_caches(H264Context *h, int mb_type, int for_deb
} else { } else {
left_block = left_block_options[2]; left_block = left_block_options[2];
} }
}
} }
} }
} }
@ -804,79 +790,6 @@ static av_always_inline int fill_caches(H264Context *h, int mb_type, int for_deb
h->top_mb_xy = top_xy; h->top_mb_xy = top_xy;
h->left_mb_xy[0] = left_xy[0]; h->left_mb_xy[0] = left_xy[0];
h->left_mb_xy[1] = left_xy[1]; 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
int qp_thresh = h->qp_thresh; //FIXME strictly we should store qp_thresh for each mb of a slice
int qp = s->current_picture.qscale_table[mb_xy];
if(qp <= qp_thresh
&& (left_xy[0]<0 || ((qp + s->current_picture.qscale_table[left_xy[0]] + 1)>>1) <= qp_thresh)
&& (top_xy < 0 || ((qp + s->current_picture.qscale_table[top_xy ] + 1)>>1) <= qp_thresh)){
if(!FRAME_MBAFF)
return 1;
if( (left_xy[0]< 0 || ((qp + s->current_picture.qscale_table[left_xy[1] ] + 1)>>1) <= qp_thresh)
&& (top_xy < s->mb_stride || ((qp + s->current_picture.qscale_table[top_xy -s->mb_stride] + 1)>>1) <= qp_thresh))
return 1;
}
if(h->deblocking_filter == 2){
h->top_type = top_type = h->slice_table[top_xy ] == h->slice_num ? s->current_picture.mb_type[top_xy] : 0;
h->left_type[0]= left_type[0] = h->slice_table[left_xy[0] ] == h->slice_num ? s->current_picture.mb_type[left_xy[0]] : 0;
h->left_type[1]= left_type[1] = h->slice_table[left_xy[1] ] == h->slice_num ? s->current_picture.mb_type[left_xy[1]] : 0;
}else{
h->top_type = top_type = h->slice_table[top_xy ] < 0xFFFF ? s->current_picture.mb_type[top_xy] : 0;
h->left_type[0]= left_type[0] = h->slice_table[left_xy[0] ] < 0xFFFF ? s->current_picture.mb_type[left_xy[0]] : 0;
h->left_type[1]= left_type[1] = h->slice_table[left_xy[1] ] < 0xFFFF ? s->current_picture.mb_type[left_xy[1]] : 0;
}
if(IS_INTRA(mb_type))
return 0;
AV_COPY64(&h->non_zero_count_cache[0+8*1], &h->non_zero_count[mb_xy][ 0]);
AV_COPY64(&h->non_zero_count_cache[0+8*2], &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]);
*((uint32_t*)&h->non_zero_count_cache[4+8*3])= *((uint32_t*)&h->non_zero_count[mb_xy][20]);
AV_COPY64(&h->non_zero_count_cache[0+8*4], &h->non_zero_count[mb_xy][24]);
h->cbp= h->cbp_table[mb_xy];
{
int list;
for(list=0; list<h->list_count; list++){
int8_t *ref;
int y, b_stride;
int16_t (*mv_dst)[2];
int16_t (*mv_src)[2];
if(!USES_LIST(mb_type, list)){
fill_rectangle( h->mv_cache[list][scan8[0]], 4, 4, 8, pack16to32(0,0), 4);
*(uint32_t*)&h->ref_cache[list][scan8[ 0]] =
*(uint32_t*)&h->ref_cache[list][scan8[ 2]] =
*(uint32_t*)&h->ref_cache[list][scan8[ 8]] =
*(uint32_t*)&h->ref_cache[list][scan8[10]] = ((LIST_NOT_USED)&0xFF)*0x01010101;
continue;
}
ref = &s->current_picture.ref_index[list][h->mb2b8_xy[mb_xy]];
{
int (*ref2frm)[64] = h->ref2frm[ h->slice_num&(MAX_SLICES-1) ][0] + (MB_MBAFF ? 20 : 2);
*(uint32_t*)&h->ref_cache[list][scan8[ 0]] =
*(uint32_t*)&h->ref_cache[list][scan8[ 2]] = (pack16to32(ref2frm[list][ref[0]],ref2frm[list][ref[1]])&0x00FF00FF)*0x0101;
ref += h->b8_stride;
*(uint32_t*)&h->ref_cache[list][scan8[ 8]] =
*(uint32_t*)&h->ref_cache[list][scan8[10]] = (pack16to32(ref2frm[list][ref[0]],ref2frm[list][ref[1]])&0x00FF00FF)*0x0101;
}
b_stride = h->b_stride;
mv_dst = &h->mv_cache[list][scan8[0]];
mv_src = &s->current_picture.motion_val[list][4*s->mb_x + 4*s->mb_y*b_stride];
for(y=0; y<4; y++){
AV_COPY128(mv_dst + 8*y, mv_src + y*b_stride);
}
}
}
}else{
topleft_type = h->slice_table[topleft_xy ] == h->slice_num ? s->current_picture.mb_type[topleft_xy] : 0; topleft_type = h->slice_table[topleft_xy ] == h->slice_num ? s->current_picture.mb_type[topleft_xy] : 0;
top_type = h->slice_table[top_xy ] == h->slice_num ? s->current_picture.mb_type[top_xy] : 0; top_type = h->slice_table[top_xy ] == h->slice_num ? s->current_picture.mb_type[top_xy] : 0;
topright_type= h->slice_table[topright_xy] == h->slice_num ? s->current_picture.mb_type[topright_xy]: 0; topright_type= h->slice_table[topright_xy] == h->slice_num ? s->current_picture.mb_type[topright_xy]: 0;
@ -962,7 +875,6 @@ static av_always_inline int fill_caches(H264Context *h, int mb_type, int for_deb
} }
} }
} }
}
/* /*
@ -976,14 +888,12 @@ static av_always_inline int fill_caches(H264Context *h, int mb_type, int for_deb
//FIXME constraint_intra_pred & partitioning & nnz (let us hope this is just a typo in the spec) //FIXME constraint_intra_pred & partitioning & nnz (let us hope this is just a typo in the spec)
if(top_type){ if(top_type){
*(uint32_t*)&h->non_zero_count_cache[4+8*0]= *(uint32_t*)&h->non_zero_count[top_xy][4+3*8]; *(uint32_t*)&h->non_zero_count_cache[4+8*0]= *(uint32_t*)&h->non_zero_count[top_xy][4+3*8];
if(!for_deblock){
h->non_zero_count_cache[1+8*0]= h->non_zero_count[top_xy][1+1*8]; h->non_zero_count_cache[1+8*0]= h->non_zero_count[top_xy][1+1*8];
h->non_zero_count_cache[2+8*0]= h->non_zero_count[top_xy][2+1*8]; h->non_zero_count_cache[2+8*0]= h->non_zero_count[top_xy][2+1*8];
h->non_zero_count_cache[1+8*3]= h->non_zero_count[top_xy][1+2*8]; h->non_zero_count_cache[1+8*3]= h->non_zero_count[top_xy][1+2*8];
h->non_zero_count_cache[2+8*3]= h->non_zero_count[top_xy][2+2*8]; h->non_zero_count_cache[2+8*3]= h->non_zero_count[top_xy][2+2*8];
} }else {
}else if(!for_deblock){
h->non_zero_count_cache[1+8*0]= h->non_zero_count_cache[1+8*0]=
h->non_zero_count_cache[2+8*0]= h->non_zero_count_cache[2+8*0]=
@ -996,11 +906,9 @@ static av_always_inline int fill_caches(H264Context *h, int mb_type, int for_deb
if(left_type[i]){ if(left_type[i]){
h->non_zero_count_cache[3+8*1 + 2*8*i]= h->non_zero_count[left_xy[i]][left_block[8+0+2*i]]; h->non_zero_count_cache[3+8*1 + 2*8*i]= h->non_zero_count[left_xy[i]][left_block[8+0+2*i]];
h->non_zero_count_cache[3+8*2 + 2*8*i]= h->non_zero_count[left_xy[i]][left_block[8+1+2*i]]; h->non_zero_count_cache[3+8*2 + 2*8*i]= h->non_zero_count[left_xy[i]][left_block[8+1+2*i]];
if(!for_deblock){
h->non_zero_count_cache[0+8*1 + 8*i]= h->non_zero_count[left_xy[i]][left_block[8+4+2*i]]; h->non_zero_count_cache[0+8*1 + 8*i]= h->non_zero_count[left_xy[i]][left_block[8+4+2*i]];
h->non_zero_count_cache[0+8*4 + 8*i]= h->non_zero_count[left_xy[i]][left_block[8+5+2*i]]; h->non_zero_count_cache[0+8*4 + 8*i]= h->non_zero_count[left_xy[i]][left_block[8+5+2*i]];
} }else{
}else if(!for_deblock){
h->non_zero_count_cache[3+8*1 + 2*8*i]= h->non_zero_count_cache[3+8*1 + 2*8*i]=
h->non_zero_count_cache[3+8*2 + 2*8*i]= h->non_zero_count_cache[3+8*2 + 2*8*i]=
h->non_zero_count_cache[0+8*1 + 8*i]= h->non_zero_count_cache[0+8*1 + 8*i]=
@ -1008,39 +916,7 @@ static av_always_inline int fill_caches(H264Context *h, int mb_type, int for_deb
} }
} }
// CAVLC 8x8dct requires NNZ values for residual decoding that differ from what the loop filter needs if( CABAC ) {
if(for_deblock && !CABAC && h->pps.transform_8x8_mode){
if(IS_8x8DCT(top_type)){
h->non_zero_count_cache[4+8*0]=
h->non_zero_count_cache[5+8*0]= h->cbp_table[top_xy] & 4;
h->non_zero_count_cache[6+8*0]=
h->non_zero_count_cache[7+8*0]= h->cbp_table[top_xy] & 8;
}
if(IS_8x8DCT(left_type[0])){
h->non_zero_count_cache[3+8*1]=
h->non_zero_count_cache[3+8*2]= h->cbp_table[left_xy[0]]&2; //FIXME check MBAFF
}
if(IS_8x8DCT(left_type[1])){
h->non_zero_count_cache[3+8*3]=
h->non_zero_count_cache[3+8*4]= h->cbp_table[left_xy[1]]&8; //FIXME check MBAFF
}
if(IS_8x8DCT(mb_type)){
h->non_zero_count_cache[scan8[0 ]]= h->non_zero_count_cache[scan8[1 ]]=
h->non_zero_count_cache[scan8[2 ]]= h->non_zero_count_cache[scan8[3 ]]= h->cbp & 1;
h->non_zero_count_cache[scan8[0+ 4]]= h->non_zero_count_cache[scan8[1+ 4]]=
h->non_zero_count_cache[scan8[2+ 4]]= h->non_zero_count_cache[scan8[3+ 4]]= h->cbp & 2;
h->non_zero_count_cache[scan8[0+ 8]]= h->non_zero_count_cache[scan8[1+ 8]]=
h->non_zero_count_cache[scan8[2+ 8]]= h->non_zero_count_cache[scan8[3+ 8]]= h->cbp & 4;
h->non_zero_count_cache[scan8[0+12]]= h->non_zero_count_cache[scan8[1+12]]=
h->non_zero_count_cache[scan8[2+12]]= h->non_zero_count_cache[scan8[3+12]]= h->cbp & 8;
}
}
if( CABAC && !for_deblock) {
// top_cbp // top_cbp
if(top_type) { if(top_type) {
h->top_cbp = h->cbp_table[top_xy]; h->top_cbp = h->cbp_table[top_xy];
@ -1069,7 +945,7 @@ static av_always_inline int fill_caches(H264Context *h, int mb_type, int for_deb
if(IS_INTER(mb_type) || IS_DIRECT(mb_type)){ if(IS_INTER(mb_type) || IS_DIRECT(mb_type)){
int list; int list;
for(list=0; list<h->list_count; list++){ for(list=0; list<h->list_count; list++){
if(!for_deblock && !USES_LIST(mb_type, list) && !IS_DIRECT(mb_type)){ if(!USES_LIST(mb_type, list) && !IS_DIRECT(mb_type)){
/*if(!h->mv_cache_clean[list]){ /*if(!h->mv_cache_clean[list]){
memset(h->mv_cache [list], 0, 8*5*2*sizeof(int16_t)); //FIXME clean only input? clean at all? memset(h->mv_cache [list], 0, 8*5*2*sizeof(int16_t)); //FIXME clean only input? clean at all?
memset(h->ref_cache[list], PART_NOT_AVAILABLE, 8*5*sizeof(int8_t)); memset(h->ref_cache[list], PART_NOT_AVAILABLE, 8*5*sizeof(int8_t));
@ -1083,50 +959,15 @@ static av_always_inline int fill_caches(H264Context *h, int mb_type, int for_deb
const int b_xy= h->mb2b_xy[top_xy] + 3*h->b_stride; const int b_xy= h->mb2b_xy[top_xy] + 3*h->b_stride;
const int b8_xy= h->mb2b8_xy[top_xy] + h->b8_stride; const int b8_xy= h->mb2b8_xy[top_xy] + h->b8_stride;
AV_COPY128(h->mv_cache[list][scan8[0] + 0 - 1*8], s->current_picture.motion_val[list][b_xy + 0]); AV_COPY128(h->mv_cache[list][scan8[0] + 0 - 1*8], s->current_picture.motion_val[list][b_xy + 0]);
if(for_deblock){
int (*ref2frm)[64] = h->ref2frm[ h->slice_table[top_xy]&(MAX_SLICES-1) ][0] + (MB_MBAFF ? 20 : 2);
h->ref_cache[list][scan8[0] + 0 - 1*8]=
h->ref_cache[list][scan8[0] + 1 - 1*8]= ref2frm[list][s->current_picture.ref_index[list][b8_xy + 0]];
h->ref_cache[list][scan8[0] + 2 - 1*8]=
h->ref_cache[list][scan8[0] + 3 - 1*8]= ref2frm[list][s->current_picture.ref_index[list][b8_xy + 1]];
}else{
h->ref_cache[list][scan8[0] + 0 - 1*8]= h->ref_cache[list][scan8[0] + 0 - 1*8]=
h->ref_cache[list][scan8[0] + 1 - 1*8]= s->current_picture.ref_index[list][b8_xy + 0]; h->ref_cache[list][scan8[0] + 1 - 1*8]= s->current_picture.ref_index[list][b8_xy + 0];
h->ref_cache[list][scan8[0] + 2 - 1*8]= h->ref_cache[list][scan8[0] + 2 - 1*8]=
h->ref_cache[list][scan8[0] + 3 - 1*8]= s->current_picture.ref_index[list][b8_xy + 1]; h->ref_cache[list][scan8[0] + 3 - 1*8]= s->current_picture.ref_index[list][b8_xy + 1];
}
}else{ }else{
AV_ZERO128(h->mv_cache[list][scan8[0] + 0 - 1*8]); AV_ZERO128(h->mv_cache[list][scan8[0] + 0 - 1*8]);
*(uint32_t*)&h->ref_cache[list][scan8[0] + 0 - 1*8]= (((for_deblock||top_type) ? LIST_NOT_USED : PART_NOT_AVAILABLE)&0xFF)*0x01010101; *(uint32_t*)&h->ref_cache[list][scan8[0] + 0 - 1*8]= ((top_type ? LIST_NOT_USED : PART_NOT_AVAILABLE)&0xFF)*0x01010101;
} }
if(for_deblock){
if(!IS_INTERLACED(mb_type^left_type[0])){
if(USES_LIST(left_type[0], list)){
const int b_xy= h->mb2b_xy[left_xy[0]] + 3;
const int b8_xy= h->mb2b8_xy[left_xy[0]] + 1;
int (*ref2frm)[64] = h->ref2frm[ h->slice_table[left_xy[0]]&(MAX_SLICES-1) ][0] + (MB_MBAFF ? 20 : 2);
*(uint32_t*)h->mv_cache[list][scan8[0] - 1 + 0 ]= *(uint32_t*)s->current_picture.motion_val[list][b_xy + h->b_stride*0];
*(uint32_t*)h->mv_cache[list][scan8[0] - 1 + 8 ]= *(uint32_t*)s->current_picture.motion_val[list][b_xy + h->b_stride*1];
*(uint32_t*)h->mv_cache[list][scan8[0] - 1 +16 ]= *(uint32_t*)s->current_picture.motion_val[list][b_xy + h->b_stride*2];
*(uint32_t*)h->mv_cache[list][scan8[0] - 1 +24 ]= *(uint32_t*)s->current_picture.motion_val[list][b_xy + h->b_stride*3];
h->ref_cache[list][scan8[0] - 1 + 0 ]=
h->ref_cache[list][scan8[0] - 1 + 8 ]= ref2frm[list][s->current_picture.ref_index[list][b8_xy + h->b8_stride*0]];
h->ref_cache[list][scan8[0] - 1 +16 ]=
h->ref_cache[list][scan8[0] - 1 +24 ]= ref2frm[list][s->current_picture.ref_index[list][b8_xy + h->b8_stride*1]];
}else{
*(uint32_t*)h->mv_cache [list][scan8[0] - 1 + 0 ]=
*(uint32_t*)h->mv_cache [list][scan8[0] - 1 + 8 ]=
*(uint32_t*)h->mv_cache [list][scan8[0] - 1 +16 ]=
*(uint32_t*)h->mv_cache [list][scan8[0] - 1 +24 ]= 0;
h->ref_cache[list][scan8[0] - 1 + 0 ]=
h->ref_cache[list][scan8[0] - 1 + 8 ]=
h->ref_cache[list][scan8[0] - 1 + 16 ]=
h->ref_cache[list][scan8[0] - 1 + 24 ]= LIST_NOT_USED;
}
}
continue;
}else{
for(i=0; i<2; i++){ for(i=0; i<2; i++){
int cache_idx = scan8[0] - 1 + i*2*8; int cache_idx = scan8[0] - 1 + i*2*8;
if(USES_LIST(left_type[i], list)){ if(USES_LIST(left_type[i], list)){
@ -1143,7 +984,6 @@ static av_always_inline int fill_caches(H264Context *h, int mb_type, int for_deb
h->ref_cache[list][cache_idx+8]= (left_type[i]) ? LIST_NOT_USED : PART_NOT_AVAILABLE; h->ref_cache[list][cache_idx+8]= (left_type[i]) ? LIST_NOT_USED : PART_NOT_AVAILABLE;
} }
} }
}
if((IS_DIRECT(mb_type) && !h->direct_spatial_mv_pred) && !FRAME_MBAFF) if((IS_DIRECT(mb_type) && !h->direct_spatial_mv_pred) && !FRAME_MBAFF)
continue; continue;
@ -1277,13 +1117,7 @@ static av_always_inline int fill_caches(H264Context *h, int mb_type, int for_deb
} }
#endif #endif
if(!for_deblock)
h->neighbor_transform_size= !!IS_8x8DCT(top_type) + !!IS_8x8DCT(left_type[0]); 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);
} }
/** /**
@ -1291,7 +1125,213 @@ static void fill_decode_caches(H264Context *h, int mb_type){
* @returns non zero if the loop filter can be skiped * @returns non zero if the loop filter can be skiped
*/ */
static int fill_filter_caches(H264Context *h, int mb_type){ static int fill_filter_caches(H264Context *h, int mb_type){
return fill_caches(h, mb_type, 1); MpegEncContext * const s = &h->s;
const int mb_xy= h->mb_xy;
int top_xy, left_xy[2];
int top_type, left_type[2];
int i;
top_xy = mb_xy - (s->mb_stride << MB_FIELD);
//FIXME deblocking could skip the intra and nnz parts.
/* Wow, what a mess, why didn't they simplify the interlacing & intra
* stuff, I can't imagine that these complex rules are worth it. */
left_xy[1] = left_xy[0] = mb_xy-1;
if(FRAME_MBAFF){
const int left_mb_field_flag = IS_INTERLACED(s->current_picture.mb_type[mb_xy-1]);
const int curr_mb_field_flag = IS_INTERLACED(mb_type);
if(s->mb_y&1){
if (left_mb_field_flag != curr_mb_field_flag) {
left_xy[0] = mb_xy - s->mb_stride - 1;
left_xy[1] = mb_xy - 1;
}
}else{
if(curr_mb_field_flag){
top_xy += s->mb_stride & (((s->current_picture.mb_type[top_xy ]>>7)&1)-1);
}
if (left_mb_field_flag != curr_mb_field_flag) {
left_xy[0] = mb_xy - 1;
left_xy[1] = mb_xy + s->mb_stride - 1;
}
}
}
h->top_mb_xy = top_xy;
h->left_mb_xy[0] = left_xy[0];
h->left_mb_xy[1] = left_xy[1];
{
//for sufficiently low qp, filtering wouldn't do anything
//this is a conservative estimate: could also check beta_offset and more accurate chroma_qp
int qp_thresh = h->qp_thresh; //FIXME strictly we should store qp_thresh for each mb of a slice
int qp = s->current_picture.qscale_table[mb_xy];
if(qp <= qp_thresh
&& (left_xy[0]<0 || ((qp + s->current_picture.qscale_table[left_xy[0]] + 1)>>1) <= qp_thresh)
&& (top_xy < 0 || ((qp + s->current_picture.qscale_table[top_xy ] + 1)>>1) <= qp_thresh)){
if(!FRAME_MBAFF)
return 1;
if( (left_xy[0]< 0 || ((qp + s->current_picture.qscale_table[left_xy[1] ] + 1)>>1) <= qp_thresh)
&& (top_xy < s->mb_stride || ((qp + s->current_picture.qscale_table[top_xy -s->mb_stride] + 1)>>1) <= qp_thresh))
return 1;
}
}
if(h->deblocking_filter == 2){
h->top_type = top_type = h->slice_table[top_xy ] == h->slice_num ? s->current_picture.mb_type[top_xy] : 0;
h->left_type[0]= left_type[0] = h->slice_table[left_xy[0] ] == h->slice_num ? s->current_picture.mb_type[left_xy[0]] : 0;
h->left_type[1]= left_type[1] = h->slice_table[left_xy[1] ] == h->slice_num ? s->current_picture.mb_type[left_xy[1]] : 0;
}else{
h->top_type = top_type = h->slice_table[top_xy ] < 0xFFFF ? s->current_picture.mb_type[top_xy] : 0;
h->left_type[0]= left_type[0] = h->slice_table[left_xy[0] ] < 0xFFFF ? s->current_picture.mb_type[left_xy[0]] : 0;
h->left_type[1]= left_type[1] = h->slice_table[left_xy[1] ] < 0xFFFF ? s->current_picture.mb_type[left_xy[1]] : 0;
}
if(IS_INTRA(mb_type))
return 0;
AV_COPY64(&h->non_zero_count_cache[0+8*1], &h->non_zero_count[mb_xy][ 0]);
AV_COPY64(&h->non_zero_count_cache[0+8*2], &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]);
*((uint32_t*)&h->non_zero_count_cache[4+8*3])= *((uint32_t*)&h->non_zero_count[mb_xy][20]);
AV_COPY64(&h->non_zero_count_cache[0+8*4], &h->non_zero_count[mb_xy][24]);
h->cbp= h->cbp_table[mb_xy];
{
int list;
for(list=0; list<h->list_count; list++){
int8_t *ref;
int y, b_stride;
int16_t (*mv_dst)[2];
int16_t (*mv_src)[2];
if(!USES_LIST(mb_type, list)){
fill_rectangle( h->mv_cache[list][scan8[0]], 4, 4, 8, pack16to32(0,0), 4);
*(uint32_t*)&h->ref_cache[list][scan8[ 0]] =
*(uint32_t*)&h->ref_cache[list][scan8[ 2]] =
*(uint32_t*)&h->ref_cache[list][scan8[ 8]] =
*(uint32_t*)&h->ref_cache[list][scan8[10]] = ((LIST_NOT_USED)&0xFF)*0x01010101;
continue;
}
ref = &s->current_picture.ref_index[list][h->mb2b8_xy[mb_xy]];
{
int (*ref2frm)[64] = h->ref2frm[ h->slice_num&(MAX_SLICES-1) ][0] + (MB_MBAFF ? 20 : 2);
*(uint32_t*)&h->ref_cache[list][scan8[ 0]] =
*(uint32_t*)&h->ref_cache[list][scan8[ 2]] = (pack16to32(ref2frm[list][ref[0]],ref2frm[list][ref[1]])&0x00FF00FF)*0x0101;
ref += h->b8_stride;
*(uint32_t*)&h->ref_cache[list][scan8[ 8]] =
*(uint32_t*)&h->ref_cache[list][scan8[10]] = (pack16to32(ref2frm[list][ref[0]],ref2frm[list][ref[1]])&0x00FF00FF)*0x0101;
}
b_stride = h->b_stride;
mv_dst = &h->mv_cache[list][scan8[0]];
mv_src = &s->current_picture.motion_val[list][4*s->mb_x + 4*s->mb_y*b_stride];
for(y=0; y<4; y++){
AV_COPY128(mv_dst + 8*y, mv_src + y*b_stride);
}
}
}
/*
0 . T T. T T T T
1 L . .L . . . .
2 L . .L . . . .
3 . T TL . . . .
4 L . .L . . . .
5 L . .. . . . .
*/
//FIXME constraint_intra_pred & partitioning & nnz (let us hope this is just a typo in the spec)
if(top_type){
*(uint32_t*)&h->non_zero_count_cache[4+8*0]= *(uint32_t*)&h->non_zero_count[top_xy][4+3*8];
}
if(left_type[0]){
h->non_zero_count_cache[3+8*1]= h->non_zero_count[left_xy[0]][7+0*8];
h->non_zero_count_cache[3+8*2]= h->non_zero_count[left_xy[0]][7+1*8];
h->non_zero_count_cache[3+8*3]= h->non_zero_count[left_xy[0]][7+2*8];
h->non_zero_count_cache[3+8*4]= h->non_zero_count[left_xy[0]][7+3*8];
}
// CAVLC 8x8dct requires NNZ values for residual decoding that differ from what the loop filter needs
if(!CABAC && h->pps.transform_8x8_mode){
if(IS_8x8DCT(top_type)){
h->non_zero_count_cache[4+8*0]=
h->non_zero_count_cache[5+8*0]= h->cbp_table[top_xy] & 4;
h->non_zero_count_cache[6+8*0]=
h->non_zero_count_cache[7+8*0]= h->cbp_table[top_xy] & 8;
}
if(IS_8x8DCT(left_type[0])){
h->non_zero_count_cache[3+8*1]=
h->non_zero_count_cache[3+8*2]= h->cbp_table[left_xy[0]]&2; //FIXME check MBAFF
}
if(IS_8x8DCT(left_type[1])){
h->non_zero_count_cache[3+8*3]=
h->non_zero_count_cache[3+8*4]= h->cbp_table[left_xy[1]]&8; //FIXME check MBAFF
}
if(IS_8x8DCT(mb_type)){
h->non_zero_count_cache[scan8[0 ]]= h->non_zero_count_cache[scan8[1 ]]=
h->non_zero_count_cache[scan8[2 ]]= h->non_zero_count_cache[scan8[3 ]]= h->cbp & 1;
h->non_zero_count_cache[scan8[0+ 4]]= h->non_zero_count_cache[scan8[1+ 4]]=
h->non_zero_count_cache[scan8[2+ 4]]= h->non_zero_count_cache[scan8[3+ 4]]= h->cbp & 2;
h->non_zero_count_cache[scan8[0+ 8]]= h->non_zero_count_cache[scan8[1+ 8]]=
h->non_zero_count_cache[scan8[2+ 8]]= h->non_zero_count_cache[scan8[3+ 8]]= h->cbp & 4;
h->non_zero_count_cache[scan8[0+12]]= h->non_zero_count_cache[scan8[1+12]]=
h->non_zero_count_cache[scan8[2+12]]= h->non_zero_count_cache[scan8[3+12]]= h->cbp & 8;
}
}
if(IS_INTER(mb_type) || IS_DIRECT(mb_type)){
int list;
for(list=0; list<h->list_count; list++){
if(USES_LIST(top_type, list)){
const int b_xy= h->mb2b_xy[top_xy] + 3*h->b_stride;
const int b8_xy= h->mb2b8_xy[top_xy] + h->b8_stride;
int (*ref2frm)[64] = h->ref2frm[ h->slice_table[top_xy]&(MAX_SLICES-1) ][0] + (MB_MBAFF ? 20 : 2);
AV_COPY128(h->mv_cache[list][scan8[0] + 0 - 1*8], s->current_picture.motion_val[list][b_xy + 0]);
h->ref_cache[list][scan8[0] + 0 - 1*8]=
h->ref_cache[list][scan8[0] + 1 - 1*8]= ref2frm[list][s->current_picture.ref_index[list][b8_xy + 0]];
h->ref_cache[list][scan8[0] + 2 - 1*8]=
h->ref_cache[list][scan8[0] + 3 - 1*8]= ref2frm[list][s->current_picture.ref_index[list][b8_xy + 1]];
}else{
AV_ZERO128(h->mv_cache[list][scan8[0] + 0 - 1*8]);
*(uint32_t*)&h->ref_cache[list][scan8[0] + 0 - 1*8]= ((LIST_NOT_USED)&0xFF)*0x01010101;
}
if(!IS_INTERLACED(mb_type^left_type[0])){
if(USES_LIST(left_type[0], list)){
const int b_xy= h->mb2b_xy[left_xy[0]] + 3;
const int b8_xy= h->mb2b8_xy[left_xy[0]] + 1;
int (*ref2frm)[64] = h->ref2frm[ h->slice_table[left_xy[0]]&(MAX_SLICES-1) ][0] + (MB_MBAFF ? 20 : 2);
*(uint32_t*)h->mv_cache[list][scan8[0] - 1 + 0 ]= *(uint32_t*)s->current_picture.motion_val[list][b_xy + h->b_stride*0];
*(uint32_t*)h->mv_cache[list][scan8[0] - 1 + 8 ]= *(uint32_t*)s->current_picture.motion_val[list][b_xy + h->b_stride*1];
*(uint32_t*)h->mv_cache[list][scan8[0] - 1 +16 ]= *(uint32_t*)s->current_picture.motion_val[list][b_xy + h->b_stride*2];
*(uint32_t*)h->mv_cache[list][scan8[0] - 1 +24 ]= *(uint32_t*)s->current_picture.motion_val[list][b_xy + h->b_stride*3];
h->ref_cache[list][scan8[0] - 1 + 0 ]=
h->ref_cache[list][scan8[0] - 1 + 8 ]= ref2frm[list][s->current_picture.ref_index[list][b8_xy + h->b8_stride*0]];
h->ref_cache[list][scan8[0] - 1 +16 ]=
h->ref_cache[list][scan8[0] - 1 +24 ]= ref2frm[list][s->current_picture.ref_index[list][b8_xy + h->b8_stride*1]];
}else{
*(uint32_t*)h->mv_cache [list][scan8[0] - 1 + 0 ]=
*(uint32_t*)h->mv_cache [list][scan8[0] - 1 + 8 ]=
*(uint32_t*)h->mv_cache [list][scan8[0] - 1 +16 ]=
*(uint32_t*)h->mv_cache [list][scan8[0] - 1 +24 ]= 0;
h->ref_cache[list][scan8[0] - 1 + 0 ]=
h->ref_cache[list][scan8[0] - 1 + 8 ]=
h->ref_cache[list][scan8[0] - 1 + 16 ]=
h->ref_cache[list][scan8[0] - 1 + 24 ]= LIST_NOT_USED;
}
}
}
}
return 0;
} }
/** /**

Write Preview
Loading…
Cancel
Save