* H.26L/H.264/AVC/JVT/14496-10/... loop filter
* Copyright (c) 2003 Michael Niedermayer <michaelni@gmx.at>
*
- * This file is part of FFmpeg.
+ * This file is part of Libav.
*
- * FFmpeg is free software; you can redistribute it and/or
+ * Libav is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
- * FFmpeg is distributed in the hope that it will be useful,
+ * Libav is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
- * License along with FFmpeg; if not, write to the Free Software
+ * License along with Libav; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
/**
- * @file libavcodec/h264_loopfilter.c
+ * @file
* H.264 / AVC / MPEG4 part10 loop filter.
* @author Michael Niedermayer <michaelni@gmx.at>
*/
+#include "libavutil/intreadwrite.h"
#include "internal.h"
#include "dsputil.h"
#include "avcodec.h"
{-1,13,17,25 }, {-1,13,17,25 }, {-1,13,17,25 }, {-1,13,17,25 },
};
-static void av_noinline filter_mb_edgev( uint8_t *pix, int stride, int16_t bS[4], unsigned int qp, H264Context *h) {
+static void av_always_inline filter_mb_edgev( uint8_t *pix, int stride, int16_t bS[4], unsigned int qp, H264Context *h) {
const unsigned int index_a = qp + h->slice_alpha_c0_offset;
const int alpha = alpha_table[index_a];
const int beta = beta_table[qp + h->slice_beta_offset];
tc[1] = tc0_table[index_a][bS[1]];
tc[2] = tc0_table[index_a][bS[2]];
tc[3] = tc0_table[index_a][bS[3]];
- h->s.dsp.h264_h_loop_filter_luma(pix, stride, alpha, beta, tc);
+ h->h264dsp.h264_h_loop_filter_luma(pix, stride, alpha, beta, tc);
} else {
- h->s.dsp.h264_h_loop_filter_luma_intra(pix, stride, alpha, beta);
+ h->h264dsp.h264_h_loop_filter_luma_intra(pix, stride, alpha, beta);
}
}
-static void av_noinline filter_mb_edgecv( uint8_t *pix, int stride, int16_t bS[4], unsigned int qp, H264Context *h ) {
+static void av_always_inline filter_mb_edgecv( uint8_t *pix, int stride, int16_t bS[4], unsigned int qp, H264Context *h ) {
const unsigned int index_a = qp + h->slice_alpha_c0_offset;
const int alpha = alpha_table[index_a];
const int beta = beta_table[qp + h->slice_beta_offset];
tc[1] = tc0_table[index_a][bS[1]]+1;
tc[2] = tc0_table[index_a][bS[2]]+1;
tc[3] = tc0_table[index_a][bS[3]]+1;
- h->s.dsp.h264_h_loop_filter_chroma(pix, stride, alpha, beta, tc);
+ h->h264dsp.h264_h_loop_filter_chroma(pix, stride, alpha, beta, tc);
} else {
- h->s.dsp.h264_h_loop_filter_chroma_intra(pix, stride, alpha, beta);
+ h->h264dsp.h264_h_loop_filter_chroma_intra(pix, stride, alpha, beta);
}
}
}
}
-static void av_noinline filter_mb_edgeh( uint8_t *pix, int stride, int16_t bS[4], unsigned int qp, H264Context *h ) {
+static void av_always_inline filter_mb_edgeh( uint8_t *pix, int stride, int16_t bS[4], unsigned int qp, H264Context *h ) {
const unsigned int index_a = qp + h->slice_alpha_c0_offset;
const int alpha = alpha_table[index_a];
const int beta = beta_table[qp + h->slice_beta_offset];
tc[1] = tc0_table[index_a][bS[1]];
tc[2] = tc0_table[index_a][bS[2]];
tc[3] = tc0_table[index_a][bS[3]];
- h->s.dsp.h264_v_loop_filter_luma(pix, stride, alpha, beta, tc);
+ h->h264dsp.h264_v_loop_filter_luma(pix, stride, alpha, beta, tc);
} else {
- h->s.dsp.h264_v_loop_filter_luma_intra(pix, stride, alpha, beta);
+ h->h264dsp.h264_v_loop_filter_luma_intra(pix, stride, alpha, beta);
}
}
-static void av_noinline filter_mb_edgech( uint8_t *pix, int stride, int16_t bS[4], unsigned int qp, H264Context *h ) {
+static void av_always_inline filter_mb_edgech( uint8_t *pix, int stride, int16_t bS[4], unsigned int qp, H264Context *h ) {
const unsigned int index_a = qp + h->slice_alpha_c0_offset;
const int alpha = alpha_table[index_a];
const int beta = beta_table[qp + h->slice_beta_offset];
tc[1] = tc0_table[index_a][bS[1]]+1;
tc[2] = tc0_table[index_a][bS[2]]+1;
tc[3] = tc0_table[index_a][bS[3]]+1;
- h->s.dsp.h264_v_loop_filter_chroma(pix, stride, alpha, beta, tc);
+ h->h264dsp.h264_v_loop_filter_chroma(pix, stride, alpha, beta, tc);
} else {
- h->s.dsp.h264_v_loop_filter_chroma_intra(pix, stride, alpha, beta);
+ h->h264dsp.h264_v_loop_filter_chroma_intra(pix, stride, alpha, beta);
}
}
mb_xy = h->mb_xy;
- if(!h->top_type || !s->dsp.h264_loop_filter_strength || h->pps.chroma_qp_diff) {
+ if(!h->top_type || !h->h264dsp.h264_loop_filter_strength || h->pps.chroma_qp_diff) {
ff_h264_filter_mb(h, mb_x, mb_y, img_y, img_cb, img_cr, linesize, uvlinesize);
return;
}
int16_t bS4[4] = {4,4,4,4};
int16_t bS3[4] = {3,3,3,3};
int16_t *bSH = FIELD_PICTURE ? bS3 : bS4;
+ if(left_type)
+ filter_mb_edgev( &img_y[4*0], linesize, bS4, qp0, h);
if( IS_8x8DCT(mb_type) ) {
- if(left_type)
- filter_mb_edgev( &img_y[4*0], linesize, bS4, qp0, h);
filter_mb_edgev( &img_y[4*2], linesize, bS3, qp, h);
filter_mb_edgeh( &img_y[4*0*linesize], linesize, bSH, qp1, h);
filter_mb_edgeh( &img_y[4*2*linesize], linesize, bS3, qp, h);
} else {
- if(left_type)
- filter_mb_edgev( &img_y[4*0], linesize, bS4, qp0, h);
filter_mb_edgev( &img_y[4*1], linesize, bS3, qp, h);
filter_mb_edgev( &img_y[4*2], linesize, bS3, qp, h);
filter_mb_edgev( &img_y[4*3], linesize, bS3, qp, h);
filter_mb_edgech( &img_cr[2*2*uvlinesize], uvlinesize, bS3, qpc, h);
return;
} else {
- DECLARE_ALIGNED_8(int16_t, bS)[2][4][4];
- uint64_t (*bSv)[4] = (uint64_t(*)[4])bS;
+ LOCAL_ALIGNED_8(int16_t, bS, [2], [4][4]);
int edges;
if( IS_8x8DCT(mb_type) && (h->cbp&7) == 7 ) {
edges = 4;
- bSv[0][0] = bSv[0][2] = bSv[1][0] = bSv[1][2] = 0x0002000200020002ULL;
+ AV_WN64A(bS[0][0], 0x0002000200020002ULL);
+ AV_WN64A(bS[0][2], 0x0002000200020002ULL);
+ AV_WN64A(bS[1][0], 0x0002000200020002ULL);
+ AV_WN64A(bS[1][2], 0x0002000200020002ULL);
} else {
- int mask_edge1 = (mb_type & (MB_TYPE_16x16 | MB_TYPE_8x16)) ? 3 :
- (mb_type & MB_TYPE_16x8) ? 1 : 0;
- int mask_edge0 = (mb_type & (MB_TYPE_16x16 | MB_TYPE_8x16))
- && (h->left_type[0] & (MB_TYPE_16x16 | MB_TYPE_8x16))
- ? 3 : 0;
- int step = IS_8x8DCT(mb_type) ? 2 : 1;
- edges = (mb_type & MB_TYPE_16x16) && !(h->cbp & 15) ? 1 : 4;
- s->dsp.h264_loop_filter_strength( bS, h->non_zero_count_cache, h->ref_cache, h->mv_cache,
+ int mask_edge1 = (3*(((5*mb_type)>>5)&1)) | (mb_type>>4); //(mb_type & (MB_TYPE_16x16 | MB_TYPE_8x16)) ? 3 : (mb_type & MB_TYPE_16x8) ? 1 : 0;
+ int mask_edge0 = 3*((mask_edge1>>1) & ((5*left_type)>>5)&1); // (mb_type & (MB_TYPE_16x16 | MB_TYPE_8x16)) && (h->left_type[0] & (MB_TYPE_16x16 | MB_TYPE_8x16)) ? 3 : 0;
+ int step = 1+(mb_type>>24); //IS_8x8DCT(mb_type) ? 2 : 1;
+ edges = 4 - 3*((mb_type>>3) & !(h->cbp & 15)); //(mb_type & MB_TYPE_16x16) && !(h->cbp & 15) ? 1 : 4;
+ h->h264dsp.h264_loop_filter_strength( bS, h->non_zero_count_cache, h->ref_cache, h->mv_cache,
h->list_count==2, edges, step, mask_edge0, mask_edge1, FIELD_PICTURE);
}
- if( IS_INTRA(h->left_type[0]) )
- bSv[0][0] = 0x0004000400040004ULL;
+ if( IS_INTRA(left_type) )
+ AV_WN64A(bS[0][0], 0x0004000400040004ULL);
if( IS_INTRA(h->top_type) )
- bSv[1][0] = FIELD_PICTURE ? 0x0003000300030003ULL : 0x0004000400040004ULL;
+ AV_WN64A(bS[1][0], FIELD_PICTURE ? 0x0003000300030003ULL : 0x0004000400040004ULL);
#define FILTER(hv,dir,edge)\
- if(bSv[dir][edge]) {\
+ if(AV_RN64A(bS[dir][edge])) { \
filter_mb_edge##hv( &img_y[4*edge*(dir?linesize:1)], linesize, bS[dir][edge], edge ? qp : qp##dir, h );\
if(!(edge&1)) {\
filter_mb_edgec##hv( &img_cb[2*edge*(dir?uvlinesize:1)], uvlinesize, bS[dir][edge], edge ? qpc : qpc##dir, h );\
filter_mb_edgec##hv( &img_cr[2*edge*(dir?uvlinesize:1)], uvlinesize, bS[dir][edge], edge ? qpc : qpc##dir, h );\
}\
}
+ if(left_type)
+ FILTER(v,0,0);
if( edges == 1 ) {
- if(left_type)
- FILTER(v,0,0);
FILTER(h,1,0);
} else if( IS_8x8DCT(mb_type) ) {
- if(left_type)
- FILTER(v,0,0);
FILTER(v,0,2);
FILTER(h,1,0);
FILTER(h,1,2);
} else {
- if(left_type)
- FILTER(v,0,0);
FILTER(v,0,1);
FILTER(v,0,2);
FILTER(v,0,3);
}
}
+static int check_mv(H264Context *h, long b_idx, long bn_idx, int mvy_limit){
+ int v;
+
+ v= h->ref_cache[0][b_idx] != h->ref_cache[0][bn_idx];
+ if(!v && h->ref_cache[0][b_idx]!=-1)
+ v= h->mv_cache[0][b_idx][0] - h->mv_cache[0][bn_idx][0] + 3 >= 7U |
+ FFABS( h->mv_cache[0][b_idx][1] - h->mv_cache[0][bn_idx][1] ) >= mvy_limit;
+
+ if(h->list_count==2){
+ if(!v)
+ v = h->ref_cache[1][b_idx] != h->ref_cache[1][bn_idx] |
+ h->mv_cache[1][b_idx][0] - h->mv_cache[1][bn_idx][0] + 3 >= 7U |
+ FFABS( h->mv_cache[1][b_idx][1] - h->mv_cache[1][bn_idx][1] ) >= mvy_limit;
+
+ if(v){
+ if(h->ref_cache[0][b_idx] != h->ref_cache[1][bn_idx] |
+ h->ref_cache[1][b_idx] != h->ref_cache[0][bn_idx])
+ return 1;
+ return
+ h->mv_cache[0][b_idx][0] - h->mv_cache[1][bn_idx][0] + 3 >= 7U |
+ FFABS( h->mv_cache[0][b_idx][1] - h->mv_cache[1][bn_idx][1] ) >= mvy_limit |
+ h->mv_cache[1][b_idx][0] - h->mv_cache[0][bn_idx][0] + 3 >= 7U |
+ FFABS( h->mv_cache[1][b_idx][1] - h->mv_cache[0][bn_idx][1] ) >= mvy_limit;
+ }
+ }
+
+ return v;
+}
static av_always_inline void filter_mb_dir(H264Context *h, int mb_x, int mb_y, uint8_t *img_y, uint8_t *img_cb, uint8_t *img_cr, unsigned int linesize, unsigned int uvlinesize, int mb_xy, int mb_type, int mvy_limit, int first_vertical_edge_done, int dir) {
MpegEncContext * const s = &h->s;
// how often to recheck mv-based bS when iterating along each edge
const int mask_par0 = mb_type & (MB_TYPE_16x16 | (MB_TYPE_8x16 >> dir));
- if(!(h->slice_table[mbm_xy] == 0xFFFF
- || first_vertical_edge_done
- || (h->deblocking_filter==2 && h->slice_table[mbm_xy] != h->slice_num))){
+ if(mbm_type && !first_vertical_edge_done){
if (FRAME_MBAFF && (dir == 1) && ((mb_y&1) == 0)
&& IS_INTERLACED(mbm_type&~mb_type)
int j;
for(j=0; j<2; j++, mbn_xy += s->mb_stride){
- DECLARE_ALIGNED_8(int16_t, bS)[4];
+ DECLARE_ALIGNED(8, int16_t, bS)[4];
int qp;
if( IS_INTRA(mb_type|s->current_picture.mb_type[mbn_xy]) ) {
- *(uint64_t*)bS= 0x0003000300030003ULL;
+ AV_WN64A(bS, 0x0003000300030003ULL);
} else {
- const uint8_t *mbn_nnz = h->non_zero_count[mbn_xy] + 4+3*8; //FIXME 8x8dct?
+ if(!CABAC && IS_8x8DCT(s->current_picture.mb_type[mbn_xy])){
+ bS[0]= 1+((h->cbp_table[mbn_xy] & 4)||h->non_zero_count_cache[scan8[0]+0]);
+ bS[1]= 1+((h->cbp_table[mbn_xy] & 4)||h->non_zero_count_cache[scan8[0]+1]);
+ bS[2]= 1+((h->cbp_table[mbn_xy] & 8)||h->non_zero_count_cache[scan8[0]+2]);
+ bS[3]= 1+((h->cbp_table[mbn_xy] & 8)||h->non_zero_count_cache[scan8[0]+3]);
+ }else{
+ const uint8_t *mbn_nnz = h->non_zero_count[mbn_xy] + 4+3*8;
int i;
for( i = 0; i < 4; i++ ) {
bS[i] = 1 + !!(h->non_zero_count_cache[scan8[0]+i] | mbn_nnz[i]);
}
+ }
}
// Do not use s->qscale as luma quantizer because it has not the same
// value in IPCM macroblocks.
( h->chroma_qp[1] + get_chroma_qp( h, 1, s->current_picture.qscale_table[mbn_xy] ) + 1 ) >> 1, h);
}
}else{
- DECLARE_ALIGNED_8(int16_t, bS)[4];
+ DECLARE_ALIGNED(8, int16_t, bS)[4];
int qp;
if( IS_INTRA(mb_type|mbm_type)) {
- *(uint64_t*)bS= 0x0003000300030003ULL;
+ AV_WN64A(bS, 0x0003000300030003ULL);
if ( (!IS_INTERLACED(mb_type|mbm_type))
|| ((FRAME_MBAFF || (s->picture_structure != PICT_FRAME)) && (dir == 0))
)
- *(uint64_t*)bS= 0x0004000400040004ULL;
+ AV_WN64A(bS, 0x0004000400040004ULL);
} else {
- int i, l;
+ int i;
int mv_done;
- if( FRAME_MBAFF && IS_INTERLACED(mb_type ^ mbm_type)) { //FIXME not posible left
- *(uint64_t*)bS= 0x0001000100010001ULL;
+ if( dir && FRAME_MBAFF && IS_INTERLACED(mb_type ^ mbm_type)) {
+ AV_WN64A(bS, 0x0001000100010001ULL);
mv_done = 1;
}
else if( mask_par0 && ((mbm_type & (MB_TYPE_16x16 | (MB_TYPE_8x16 >> dir)))) ) {
int b_idx= 8 + 4;
int bn_idx= b_idx - (dir ? 8:1);
- int v = 0;
-
- for( l = 0; !v && l < h->list_count; l++ ) {
- v |= h->ref_cache[l][b_idx] != h->ref_cache[l][bn_idx] |
- h->mv_cache[l][b_idx][0] - h->mv_cache[l][bn_idx][0] + 3 >= 7U |
- FFABS( h->mv_cache[l][b_idx][1] - h->mv_cache[l][bn_idx][1] ) >= mvy_limit;
- }
-
- if(h->list_count==2 && v){
- v=0;
- for( l = 0; !v && l < 2; l++ ) {
- int ln= 1-l;
- v |= h->ref_cache[l][b_idx] != h->ref_cache[ln][bn_idx] |
- h->mv_cache[l][b_idx][0] - h->mv_cache[ln][bn_idx][0] + 3 >= 7U |
- FFABS( h->mv_cache[l][b_idx][1] - h->mv_cache[ln][bn_idx][1] ) >= mvy_limit;
- }
- }
- bS[0] = bS[1] = bS[2] = bS[3] = v;
+ bS[0] = bS[1] = bS[2] = bS[3] = check_mv(h, 8 + 4, bn_idx, mvy_limit);
mv_done = 1;
}
else
}
else if(!mv_done)
{
- bS[i] = 0;
- for( l = 0; l < h->list_count; l++ ) {
- if( h->ref_cache[l][b_idx] != h->ref_cache[l][bn_idx] |
- h->mv_cache[l][b_idx][0] - h->mv_cache[l][bn_idx][0] + 3 >= 7U |
- FFABS( h->mv_cache[l][b_idx][1] - h->mv_cache[l][bn_idx][1] ) >= mvy_limit ) {
- bS[i] = 1;
- break;
- }
- }
-
- if(h->list_count == 2 && bS[i]){
- bS[i] = 0;
- for( l = 0; l < 2; l++ ) {
- int ln= 1-l;
- if( h->ref_cache[l][b_idx] != h->ref_cache[ln][bn_idx] |
- h->mv_cache[l][b_idx][0] - h->mv_cache[ln][bn_idx][0] + 3 >= 7U |
- FFABS( h->mv_cache[l][b_idx][1] - h->mv_cache[ln][bn_idx][1] ) >= mvy_limit ) {
- bS[i] = 1;
- break;
- }
- }
- }
+ bS[i] = check_mv(h, b_idx, bn_idx, mvy_limit);
}
}
}
/* Calculate bS */
for( edge = 1; edge < edges; edge++ ) {
- DECLARE_ALIGNED_8(int16_t, bS)[4];
+ DECLARE_ALIGNED(8, int16_t, bS)[4];
int qp;
if( IS_8x8DCT(mb_type & (edge<<24)) ) // (edge&1) && IS_8x8DCT(mb_type)
continue;
if( IS_INTRA(mb_type)) {
- *(uint64_t*)bS= 0x0003000300030003ULL;
+ AV_WN64A(bS, 0x0003000300030003ULL);
} else {
- int i, l;
+ int i;
int mv_done;
if( edge & mask_edge ) {
- *(uint64_t*)bS= 0;
+ AV_ZERO64(bS);
mv_done = 1;
}
else if( mask_par0 ) {
int b_idx= 8 + 4 + edge * (dir ? 8:1);
int bn_idx= b_idx - (dir ? 8:1);
- int v = 0;
- for( l = 0; !v && l < h->list_count; l++ ) {
- v |= h->ref_cache[l][b_idx] != h->ref_cache[l][bn_idx] |
- h->mv_cache[l][b_idx][0] - h->mv_cache[l][bn_idx][0] + 3 >= 7U |
- FFABS( h->mv_cache[l][b_idx][1] - h->mv_cache[l][bn_idx][1] ) >= mvy_limit;
- }
-
- if(h->list_count==2 && v){
- v=0;
- for( l = 0; !v && l < 2; l++ ) {
- int ln= 1-l;
- v |= h->ref_cache[l][b_idx] != h->ref_cache[ln][bn_idx] |
- h->mv_cache[l][b_idx][0] - h->mv_cache[ln][bn_idx][0] + 3 >= 7U |
- FFABS( h->mv_cache[l][b_idx][1] - h->mv_cache[ln][bn_idx][1] ) >= mvy_limit;
- }
- }
-
- bS[0] = bS[1] = bS[2] = bS[3] = v;
+ bS[0] = bS[1] = bS[2] = bS[3] = check_mv(h, b_idx, bn_idx, mvy_limit);
mv_done = 1;
}
else
}
else if(!mv_done)
{
- bS[i] = 0;
- for( l = 0; l < h->list_count; l++ ) {
- if( h->ref_cache[l][b_idx] != h->ref_cache[l][bn_idx] |
- h->mv_cache[l][b_idx][0] - h->mv_cache[l][bn_idx][0] + 3 >= 7U |
- FFABS( h->mv_cache[l][b_idx][1] - h->mv_cache[l][bn_idx][1] ) >= mvy_limit ) {
- bS[i] = 1;
- break;
- }
- }
-
- if(h->list_count == 2 && bS[i]){
- bS[i] = 0;
- for( l = 0; l < 2; l++ ) {
- int ln= 1-l;
- if( h->ref_cache[l][b_idx] != h->ref_cache[ln][bn_idx] |
- h->mv_cache[l][b_idx][0] - h->mv_cache[ln][bn_idx][0] + 3 >= 7U |
- FFABS( h->mv_cache[l][b_idx][1] - h->mv_cache[ln][bn_idx][1] ) >= mvy_limit ) {
- bS[i] = 1;
- break;
- }
- }
- }
+ bS[i] = check_mv(h, b_idx, bn_idx, mvy_limit);
}
}
const int mvy_limit = IS_INTERLACED(mb_type) ? 2 : 4;
int first_vertical_edge_done = 0;
av_unused int dir;
- int list;
if (FRAME_MBAFF
// and current and left pair do not have the same interlaced type
/* First vertical edge is different in MBAFF frames
* There are 8 different bS to compute and 2 different Qp
*/
- DECLARE_ALIGNED_8(int16_t, bS)[8];
+ DECLARE_ALIGNED(8, int16_t, bS)[8];
int qp[2];
int bqp[2];
int rqp[2];
int i;
first_vertical_edge_done = 1;
- if( IS_INTRA(mb_type) )
- *(uint64_t*)&bS[0]=
- *(uint64_t*)&bS[4]= 0x0004000400040004ULL;
- else {
+ if( IS_INTRA(mb_type) ) {
+ AV_WN64A(&bS[0], 0x0004000400040004ULL);
+ AV_WN64A(&bS[4], 0x0004000400040004ULL);
+ } else {
static const uint8_t offset[2][2][8]={
{
{7+8*0, 7+8*0, 7+8*0, 7+8*0, 7+8*1, 7+8*1, 7+8*1, 7+8*1},
projects / ffmpeg / blobdiff