2 * H.26L/H.264/AVC/JVT/14496-10/... loop filter
3 * Copyright (c) 2003 Michael Niedermayer <michaelni@gmx.at>
5 * This file is part of Libav.
7 * Libav is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU Lesser General Public
9 * License as published by the Free Software Foundation; either
10 * version 2.1 of the License, or (at your option) any later version.
12 * Libav is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Lesser General Public License for more details.
17 * You should have received a copy of the GNU Lesser General Public
18 * License along with Libav; if not, write to the Free Software
19 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
24 * H.264 / AVC / MPEG4 part10 loop filter.
25 * @author Michael Niedermayer <michaelni@gmx.at>
28 #include "libavutil/intreadwrite.h"
32 #include "mpegvideo.h"
35 #include "rectangle.h"
40 /* Deblocking filter (p153) */
41 static const uint8_t alpha_table[52*3] = {
42 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
43 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
44 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
45 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
46 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
47 0, 0, 0, 0, 0, 0, 4, 4, 5, 6,
48 7, 8, 9, 10, 12, 13, 15, 17, 20, 22,
49 25, 28, 32, 36, 40, 45, 50, 56, 63, 71,
50 80, 90,101,113,127,144,162,182,203,226,
52 255,255,255,255,255,255,255,255,255,255,255,255,255,
53 255,255,255,255,255,255,255,255,255,255,255,255,255,
54 255,255,255,255,255,255,255,255,255,255,255,255,255,
55 255,255,255,255,255,255,255,255,255,255,255,255,255,
57 static const uint8_t beta_table[52*3] = {
58 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
59 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
60 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
61 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
62 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
63 0, 0, 0, 0, 0, 0, 2, 2, 2, 3,
64 3, 3, 3, 4, 4, 4, 6, 6, 7, 7,
65 8, 8, 9, 9, 10, 10, 11, 11, 12, 12,
66 13, 13, 14, 14, 15, 15, 16, 16, 17, 17,
68 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18,
69 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18,
70 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18,
71 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18,
73 static const uint8_t tc0_table[52*3][4] = {
74 {-1, 0, 0, 0 }, {-1, 0, 0, 0 }, {-1, 0, 0, 0 }, {-1, 0, 0, 0 }, {-1, 0, 0, 0 }, {-1, 0, 0, 0 },
75 {-1, 0, 0, 0 }, {-1, 0, 0, 0 }, {-1, 0, 0, 0 }, {-1, 0, 0, 0 }, {-1, 0, 0, 0 }, {-1, 0, 0, 0 },
76 {-1, 0, 0, 0 }, {-1, 0, 0, 0 }, {-1, 0, 0, 0 }, {-1, 0, 0, 0 }, {-1, 0, 0, 0 }, {-1, 0, 0, 0 },
77 {-1, 0, 0, 0 }, {-1, 0, 0, 0 }, {-1, 0, 0, 0 }, {-1, 0, 0, 0 }, {-1, 0, 0, 0 }, {-1, 0, 0, 0 },
78 {-1, 0, 0, 0 }, {-1, 0, 0, 0 }, {-1, 0, 0, 0 }, {-1, 0, 0, 0 }, {-1, 0, 0, 0 }, {-1, 0, 0, 0 },
79 {-1, 0, 0, 0 }, {-1, 0, 0, 0 }, {-1, 0, 0, 0 }, {-1, 0, 0, 0 }, {-1, 0, 0, 0 }, {-1, 0, 0, 0 },
80 {-1, 0, 0, 0 }, {-1, 0, 0, 0 }, {-1, 0, 0, 0 }, {-1, 0, 0, 0 }, {-1, 0, 0, 0 }, {-1, 0, 0, 0 },
81 {-1, 0, 0, 0 }, {-1, 0, 0, 0 }, {-1, 0, 0, 0 }, {-1, 0, 0, 0 }, {-1, 0, 0, 0 }, {-1, 0, 0, 0 },
82 {-1, 0, 0, 0 }, {-1, 0, 0, 0 }, {-1, 0, 0, 0 }, {-1, 0, 0, 0 },
83 {-1, 0, 0, 0 }, {-1, 0, 0, 0 }, {-1, 0, 0, 0 }, {-1, 0, 0, 0 }, {-1, 0, 0, 0 }, {-1, 0, 0, 0 },
84 {-1, 0, 0, 0 }, {-1, 0, 0, 0 }, {-1, 0, 0, 0 }, {-1, 0, 0, 0 }, {-1, 0, 0, 0 }, {-1, 0, 0, 0 },
85 {-1, 0, 0, 0 }, {-1, 0, 0, 0 }, {-1, 0, 0, 0 }, {-1, 0, 0, 0 }, {-1, 0, 0, 0 }, {-1, 0, 0, 1 },
86 {-1, 0, 0, 1 }, {-1, 0, 0, 1 }, {-1, 0, 0, 1 }, {-1, 0, 1, 1 }, {-1, 0, 1, 1 }, {-1, 1, 1, 1 },
87 {-1, 1, 1, 1 }, {-1, 1, 1, 1 }, {-1, 1, 1, 1 }, {-1, 1, 1, 2 }, {-1, 1, 1, 2 }, {-1, 1, 1, 2 },
88 {-1, 1, 1, 2 }, {-1, 1, 2, 3 }, {-1, 1, 2, 3 }, {-1, 2, 2, 3 }, {-1, 2, 2, 4 }, {-1, 2, 3, 4 },
89 {-1, 2, 3, 4 }, {-1, 3, 3, 5 }, {-1, 3, 4, 6 }, {-1, 3, 4, 6 }, {-1, 4, 5, 7 }, {-1, 4, 5, 8 },
90 {-1, 4, 6, 9 }, {-1, 5, 7,10 }, {-1, 6, 8,11 }, {-1, 6, 8,13 }, {-1, 7,10,14 }, {-1, 8,11,16 },
91 {-1, 9,12,18 }, {-1,10,13,20 }, {-1,11,15,23 }, {-1,13,17,25 },
92 {-1,13,17,25 }, {-1,13,17,25 }, {-1,13,17,25 }, {-1,13,17,25 }, {-1,13,17,25 }, {-1,13,17,25 },
93 {-1,13,17,25 }, {-1,13,17,25 }, {-1,13,17,25 }, {-1,13,17,25 }, {-1,13,17,25 }, {-1,13,17,25 },
94 {-1,13,17,25 }, {-1,13,17,25 }, {-1,13,17,25 }, {-1,13,17,25 }, {-1,13,17,25 }, {-1,13,17,25 },
95 {-1,13,17,25 }, {-1,13,17,25 }, {-1,13,17,25 }, {-1,13,17,25 }, {-1,13,17,25 }, {-1,13,17,25 },
96 {-1,13,17,25 }, {-1,13,17,25 }, {-1,13,17,25 }, {-1,13,17,25 }, {-1,13,17,25 }, {-1,13,17,25 },
97 {-1,13,17,25 }, {-1,13,17,25 }, {-1,13,17,25 }, {-1,13,17,25 }, {-1,13,17,25 }, {-1,13,17,25 },
98 {-1,13,17,25 }, {-1,13,17,25 }, {-1,13,17,25 }, {-1,13,17,25 }, {-1,13,17,25 }, {-1,13,17,25 },
99 {-1,13,17,25 }, {-1,13,17,25 }, {-1,13,17,25 }, {-1,13,17,25 }, {-1,13,17,25 }, {-1,13,17,25 },
100 {-1,13,17,25 }, {-1,13,17,25 }, {-1,13,17,25 }, {-1,13,17,25 },
103 static void av_always_inline filter_mb_edgev( uint8_t *pix, int stride, int16_t bS[4], unsigned int qp, H264Context *h) {
104 const int qp_bd_offset = 6 * (h->sps.bit_depth_luma - 8);
105 const unsigned int index_a = qp - qp_bd_offset + h->slice_alpha_c0_offset;
106 const int alpha = alpha_table[index_a];
107 const int beta = beta_table[qp - qp_bd_offset + h->slice_beta_offset];
108 if (alpha ==0 || beta == 0) return;
112 tc[0] = tc0_table[index_a][bS[0]];
113 tc[1] = tc0_table[index_a][bS[1]];
114 tc[2] = tc0_table[index_a][bS[2]];
115 tc[3] = tc0_table[index_a][bS[3]];
116 h->h264dsp.h264_h_loop_filter_luma(pix, stride, alpha, beta, tc);
118 h->h264dsp.h264_h_loop_filter_luma_intra(pix, stride, alpha, beta);
121 static void av_always_inline filter_mb_edgecv( uint8_t *pix, int stride, int16_t bS[4], unsigned int qp, H264Context *h ) {
122 const int qp_bd_offset = 6 * (h->sps.bit_depth_luma - 8);
123 const unsigned int index_a = qp - qp_bd_offset + h->slice_alpha_c0_offset;
124 const int alpha = alpha_table[index_a];
125 const int beta = beta_table[qp - qp_bd_offset + h->slice_beta_offset];
126 if (alpha ==0 || beta == 0) return;
130 tc[0] = tc0_table[index_a][bS[0]]+1;
131 tc[1] = tc0_table[index_a][bS[1]]+1;
132 tc[2] = tc0_table[index_a][bS[2]]+1;
133 tc[3] = tc0_table[index_a][bS[3]]+1;
134 h->h264dsp.h264_h_loop_filter_chroma(pix, stride, alpha, beta, tc);
136 h->h264dsp.h264_h_loop_filter_chroma_intra(pix, stride, alpha, beta);
140 static void filter_mb_mbaff_edgev( H264Context *h, uint8_t *pix, int stride, int16_t bS[7], int bsi, int qp ) {
141 const int qp_bd_offset = 6 * (h->sps.bit_depth_luma - 8);
142 int index_a = qp - qp_bd_offset + h->slice_alpha_c0_offset;
143 int alpha = alpha_table[index_a];
144 int beta = beta_table[qp - qp_bd_offset + h->slice_beta_offset];
145 if (alpha ==0 || beta == 0) return;
149 tc[0] = tc0_table[index_a][bS[0*bsi]];
150 tc[1] = tc0_table[index_a][bS[1*bsi]];
151 tc[2] = tc0_table[index_a][bS[2*bsi]];
152 tc[3] = tc0_table[index_a][bS[3*bsi]];
153 h->h264dsp.h264_h_loop_filter_luma_mbaff(pix, stride, alpha, beta, tc);
155 h->h264dsp.h264_h_loop_filter_luma_mbaff_intra(pix, stride, alpha, beta);
158 static void filter_mb_mbaff_edgecv( H264Context *h, uint8_t *pix, int stride, int16_t bS[7], int bsi, int qp ) {
159 const int qp_bd_offset = 6 * (h->sps.bit_depth_luma - 8);
160 int index_a = qp - qp_bd_offset + h->slice_alpha_c0_offset;
161 int alpha = alpha_table[index_a];
162 int beta = beta_table[qp - qp_bd_offset + h->slice_beta_offset];
163 if (alpha ==0 || beta == 0) return;
167 tc[0] = tc0_table[index_a][bS[0*bsi]] + 1;
168 tc[1] = tc0_table[index_a][bS[1*bsi]] + 1;
169 tc[2] = tc0_table[index_a][bS[2*bsi]] + 1;
170 tc[3] = tc0_table[index_a][bS[3*bsi]] + 1;
171 h->h264dsp.h264_h_loop_filter_chroma_mbaff(pix, stride, alpha, beta, tc);
173 h->h264dsp.h264_h_loop_filter_chroma_mbaff_intra(pix, stride, alpha, beta);
177 static void av_always_inline filter_mb_edgeh( uint8_t *pix, int stride, int16_t bS[4], unsigned int qp, H264Context *h ) {
178 const int qp_bd_offset = 6 * (h->sps.bit_depth_luma - 8);
179 const unsigned int index_a = qp - qp_bd_offset + h->slice_alpha_c0_offset;
180 const int alpha = alpha_table[index_a];
181 const int beta = beta_table[qp - qp_bd_offset + h->slice_beta_offset];
182 if (alpha ==0 || beta == 0) return;
186 tc[0] = tc0_table[index_a][bS[0]];
187 tc[1] = tc0_table[index_a][bS[1]];
188 tc[2] = tc0_table[index_a][bS[2]];
189 tc[3] = tc0_table[index_a][bS[3]];
190 h->h264dsp.h264_v_loop_filter_luma(pix, stride, alpha, beta, tc);
192 h->h264dsp.h264_v_loop_filter_luma_intra(pix, stride, alpha, beta);
196 static void av_always_inline filter_mb_edgech( uint8_t *pix, int stride, int16_t bS[4], unsigned int qp, H264Context *h ) {
197 const int qp_bd_offset = 6 * (h->sps.bit_depth_luma - 8);
198 const unsigned int index_a = qp - qp_bd_offset + h->slice_alpha_c0_offset;
199 const int alpha = alpha_table[index_a];
200 const int beta = beta_table[qp - qp_bd_offset + h->slice_beta_offset];
201 if (alpha ==0 || beta == 0) return;
205 tc[0] = tc0_table[index_a][bS[0]]+1;
206 tc[1] = tc0_table[index_a][bS[1]]+1;
207 tc[2] = tc0_table[index_a][bS[2]]+1;
208 tc[3] = tc0_table[index_a][bS[3]]+1;
209 h->h264dsp.h264_v_loop_filter_chroma(pix, stride, alpha, beta, tc);
211 h->h264dsp.h264_v_loop_filter_chroma_intra(pix, stride, alpha, beta);
215 void ff_h264_filter_mb_fast( 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) {
216 MpegEncContext * const s = &h->s;
218 int mb_type, left_type;
219 int qp, qp0, qp1, qpc, qpc0, qpc1, qp_thresh;
223 if(!h->top_type || !h->h264dsp.h264_loop_filter_strength || h->pps.chroma_qp_diff) {
224 ff_h264_filter_mb(h, mb_x, mb_y, img_y, img_cb, img_cr, linesize, uvlinesize);
227 assert(!FRAME_MBAFF);
228 left_type= h->left_type[0];
230 mb_type = s->current_picture.mb_type[mb_xy];
231 qp = s->current_picture.qscale_table[mb_xy];
232 qp0 = s->current_picture.qscale_table[mb_xy-1];
233 qp1 = s->current_picture.qscale_table[h->top_mb_xy];
234 qpc = get_chroma_qp( h, 0, qp );
235 qpc0 = get_chroma_qp( h, 0, qp0 );
236 qpc1 = get_chroma_qp( h, 0, qp1 );
237 qp0 = (qp + qp0 + 1) >> 1;
238 qp1 = (qp + qp1 + 1) >> 1;
239 qpc0 = (qpc + qpc0 + 1) >> 1;
240 qpc1 = (qpc + qpc1 + 1) >> 1;
241 qp_thresh = 15+52 - h->slice_alpha_c0_offset;
242 if(qp <= qp_thresh && qp0 <= qp_thresh && qp1 <= qp_thresh &&
243 qpc <= qp_thresh && qpc0 <= qp_thresh && qpc1 <= qp_thresh)
246 if( IS_INTRA(mb_type) ) {
247 int16_t bS4[4] = {4,4,4,4};
248 int16_t bS3[4] = {3,3,3,3};
249 int16_t *bSH = FIELD_PICTURE ? bS3 : bS4;
251 filter_mb_edgev( &img_y[4*0], linesize, bS4, qp0, h);
252 if( IS_8x8DCT(mb_type) ) {
253 filter_mb_edgev( &img_y[4*2], linesize, bS3, qp, h);
254 filter_mb_edgeh( &img_y[4*0*linesize], linesize, bSH, qp1, h);
255 filter_mb_edgeh( &img_y[4*2*linesize], linesize, bS3, qp, h);
257 filter_mb_edgev( &img_y[4*1], linesize, bS3, qp, h);
258 filter_mb_edgev( &img_y[4*2], linesize, bS3, qp, h);
259 filter_mb_edgev( &img_y[4*3], linesize, bS3, qp, h);
260 filter_mb_edgeh( &img_y[4*0*linesize], linesize, bSH, qp1, h);
261 filter_mb_edgeh( &img_y[4*1*linesize], linesize, bS3, qp, h);
262 filter_mb_edgeh( &img_y[4*2*linesize], linesize, bS3, qp, h);
263 filter_mb_edgeh( &img_y[4*3*linesize], linesize, bS3, qp, h);
266 filter_mb_edgecv( &img_cb[2*0], uvlinesize, bS4, qpc0, h);
267 filter_mb_edgecv( &img_cr[2*0], uvlinesize, bS4, qpc0, h);
269 filter_mb_edgecv( &img_cb[2*2], uvlinesize, bS3, qpc, h);
270 filter_mb_edgecv( &img_cr[2*2], uvlinesize, bS3, qpc, h);
271 filter_mb_edgech( &img_cb[2*0*uvlinesize], uvlinesize, bSH, qpc1, h);
272 filter_mb_edgech( &img_cb[2*2*uvlinesize], uvlinesize, bS3, qpc, h);
273 filter_mb_edgech( &img_cr[2*0*uvlinesize], uvlinesize, bSH, qpc1, h);
274 filter_mb_edgech( &img_cr[2*2*uvlinesize], uvlinesize, bS3, qpc, h);
277 LOCAL_ALIGNED_8(int16_t, bS, [2], [4][4]);
279 if( IS_8x8DCT(mb_type) && (h->cbp&7) == 7 ) {
281 AV_WN64A(bS[0][0], 0x0002000200020002ULL);
282 AV_WN64A(bS[0][2], 0x0002000200020002ULL);
283 AV_WN64A(bS[1][0], 0x0002000200020002ULL);
284 AV_WN64A(bS[1][2], 0x0002000200020002ULL);
286 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;
287 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;
288 int step = 1+(mb_type>>24); //IS_8x8DCT(mb_type) ? 2 : 1;
289 edges = 4 - 3*((mb_type>>3) & !(h->cbp & 15)); //(mb_type & MB_TYPE_16x16) && !(h->cbp & 15) ? 1 : 4;
290 h->h264dsp.h264_loop_filter_strength( bS, h->non_zero_count_cache, h->ref_cache, h->mv_cache,
291 h->list_count==2, edges, step, mask_edge0, mask_edge1, FIELD_PICTURE);
293 if( IS_INTRA(left_type) )
294 AV_WN64A(bS[0][0], 0x0004000400040004ULL);
295 if( IS_INTRA(h->top_type) )
296 AV_WN64A(bS[1][0], FIELD_PICTURE ? 0x0003000300030003ULL : 0x0004000400040004ULL);
298 #define FILTER(hv,dir,edge)\
299 if(AV_RN64A(bS[dir][edge])) { \
300 filter_mb_edge##hv( &img_y[4*edge*(dir?linesize:1)], linesize, bS[dir][edge], edge ? qp : qp##dir, h );\
302 filter_mb_edgec##hv( &img_cb[2*edge*(dir?uvlinesize:1)], uvlinesize, bS[dir][edge], edge ? qpc : qpc##dir, h );\
303 filter_mb_edgec##hv( &img_cr[2*edge*(dir?uvlinesize:1)], uvlinesize, bS[dir][edge], edge ? qpc : qpc##dir, h );\
310 } else if( IS_8x8DCT(mb_type) ) {
327 static int check_mv(H264Context *h, long b_idx, long bn_idx, int mvy_limit){
330 v= h->ref_cache[0][b_idx] != h->ref_cache[0][bn_idx];
331 if(!v && h->ref_cache[0][b_idx]!=-1)
332 v= h->mv_cache[0][b_idx][0] - h->mv_cache[0][bn_idx][0] + 3 >= 7U |
333 FFABS( h->mv_cache[0][b_idx][1] - h->mv_cache[0][bn_idx][1] ) >= mvy_limit;
335 if(h->list_count==2){
337 v = h->ref_cache[1][b_idx] != h->ref_cache[1][bn_idx] |
338 h->mv_cache[1][b_idx][0] - h->mv_cache[1][bn_idx][0] + 3 >= 7U |
339 FFABS( h->mv_cache[1][b_idx][1] - h->mv_cache[1][bn_idx][1] ) >= mvy_limit;
342 if(h->ref_cache[0][b_idx] != h->ref_cache[1][bn_idx] |
343 h->ref_cache[1][b_idx] != h->ref_cache[0][bn_idx])
346 h->mv_cache[0][b_idx][0] - h->mv_cache[1][bn_idx][0] + 3 >= 7U |
347 FFABS( h->mv_cache[0][b_idx][1] - h->mv_cache[1][bn_idx][1] ) >= mvy_limit |
348 h->mv_cache[1][b_idx][0] - h->mv_cache[0][bn_idx][0] + 3 >= 7U |
349 FFABS( h->mv_cache[1][b_idx][1] - h->mv_cache[0][bn_idx][1] ) >= mvy_limit;
356 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) {
357 MpegEncContext * const s = &h->s;
359 const int mbm_xy = dir == 0 ? mb_xy -1 : h->top_mb_xy;
360 const int mbm_type = dir == 0 ? h->left_type[0] : h->top_type;
362 // how often to recheck mv-based bS when iterating between edges
363 static const uint8_t mask_edge_tab[2][8]={{0,3,3,3,1,1,1,1},
365 const int mask_edge = mask_edge_tab[dir][(mb_type>>3)&7];
366 const int edges = mask_edge== 3 && !(h->cbp&15) ? 1 : 4;
368 // how often to recheck mv-based bS when iterating along each edge
369 const int mask_par0 = mb_type & (MB_TYPE_16x16 | (MB_TYPE_8x16 >> dir));
371 if(mbm_type && !first_vertical_edge_done){
373 if (FRAME_MBAFF && (dir == 1) && ((mb_y&1) == 0)
374 && IS_INTERLACED(mbm_type&~mb_type)
376 // This is a special case in the norm where the filtering must
377 // be done twice (one each of the field) even if we are in a
380 unsigned int tmp_linesize = 2 * linesize;
381 unsigned int tmp_uvlinesize = 2 * uvlinesize;
382 int mbn_xy = mb_xy - 2 * s->mb_stride;
385 for(j=0; j<2; j++, mbn_xy += s->mb_stride){
386 DECLARE_ALIGNED(8, int16_t, bS)[4];
388 if( IS_INTRA(mb_type|s->current_picture.mb_type[mbn_xy]) ) {
389 AV_WN64A(bS, 0x0003000300030003ULL);
391 if(!CABAC && IS_8x8DCT(s->current_picture.mb_type[mbn_xy])){
392 bS[0]= 1+((h->cbp_table[mbn_xy] & 4)||h->non_zero_count_cache[scan8[0]+0]);
393 bS[1]= 1+((h->cbp_table[mbn_xy] & 4)||h->non_zero_count_cache[scan8[0]+1]);
394 bS[2]= 1+((h->cbp_table[mbn_xy] & 8)||h->non_zero_count_cache[scan8[0]+2]);
395 bS[3]= 1+((h->cbp_table[mbn_xy] & 8)||h->non_zero_count_cache[scan8[0]+3]);
397 const uint8_t *mbn_nnz = h->non_zero_count[mbn_xy] + 4+3*8;
399 for( i = 0; i < 4; i++ ) {
400 bS[i] = 1 + !!(h->non_zero_count_cache[scan8[0]+i] | mbn_nnz[i]);
404 // Do not use s->qscale as luma quantizer because it has not the same
405 // value in IPCM macroblocks.
406 qp = ( s->current_picture.qscale_table[mb_xy] + s->current_picture.qscale_table[mbn_xy] + 1 ) >> 1;
407 tprintf(s->avctx, "filter mb:%d/%d dir:%d edge:%d, QPy:%d ls:%d uvls:%d", mb_x, mb_y, dir, edge, qp, tmp_linesize, tmp_uvlinesize);
408 { int i; for (i = 0; i < 4; i++) tprintf(s->avctx, " bS[%d]:%d", i, bS[i]); tprintf(s->avctx, "\n"); }
409 filter_mb_edgeh( &img_y[j*linesize], tmp_linesize, bS, qp, h );
410 filter_mb_edgech( &img_cb[j*uvlinesize], tmp_uvlinesize, bS,
411 ( h->chroma_qp[0] + get_chroma_qp( h, 0, s->current_picture.qscale_table[mbn_xy] ) + 1 ) >> 1, h);
412 filter_mb_edgech( &img_cr[j*uvlinesize], tmp_uvlinesize, bS,
413 ( h->chroma_qp[1] + get_chroma_qp( h, 1, s->current_picture.qscale_table[mbn_xy] ) + 1 ) >> 1, h);
416 DECLARE_ALIGNED(8, int16_t, bS)[4];
419 if( IS_INTRA(mb_type|mbm_type)) {
420 AV_WN64A(bS, 0x0003000300030003ULL);
421 if ( (!IS_INTERLACED(mb_type|mbm_type))
422 || ((FRAME_MBAFF || (s->picture_structure != PICT_FRAME)) && (dir == 0))
424 AV_WN64A(bS, 0x0004000400040004ULL);
429 if( dir && FRAME_MBAFF && IS_INTERLACED(mb_type ^ mbm_type)) {
430 AV_WN64A(bS, 0x0001000100010001ULL);
433 else if( mask_par0 && ((mbm_type & (MB_TYPE_16x16 | (MB_TYPE_8x16 >> dir)))) ) {
435 int bn_idx= b_idx - (dir ? 8:1);
437 bS[0] = bS[1] = bS[2] = bS[3] = check_mv(h, 8 + 4, bn_idx, mvy_limit);
443 for( i = 0; i < 4; i++ ) {
444 int x = dir == 0 ? 0 : i;
445 int y = dir == 0 ? i : 0;
446 int b_idx= 8 + 4 + x + 8*y;
447 int bn_idx= b_idx - (dir ? 8:1);
449 if( h->non_zero_count_cache[b_idx] |
450 h->non_zero_count_cache[bn_idx] ) {
455 bS[i] = check_mv(h, b_idx, bn_idx, mvy_limit);
461 // Do not use s->qscale as luma quantizer because it has not the same
462 // value in IPCM macroblocks.
463 if(bS[0]+bS[1]+bS[2]+bS[3]){
464 qp = ( s->current_picture.qscale_table[mb_xy] + s->current_picture.qscale_table[mbm_xy] + 1 ) >> 1;
465 //tprintf(s->avctx, "filter mb:%d/%d dir:%d edge:%d, QPy:%d, QPc:%d, QPcn:%d\n", mb_x, mb_y, dir, edge, qp, h->chroma_qp[0], s->current_picture.qscale_table[mbn_xy]);
466 tprintf(s->avctx, "filter mb:%d/%d dir:%d edge:%d, QPy:%d ls:%d uvls:%d", mb_x, mb_y, dir, edge, qp, linesize, uvlinesize);
467 //{ int i; for (i = 0; i < 4; i++) tprintf(s->avctx, " bS[%d]:%d", i, bS[i]); tprintf(s->avctx, "\n"); }
469 filter_mb_edgev( &img_y[0], linesize, bS, qp, h );
471 int qp= ( h->chroma_qp[0] + get_chroma_qp( h, 0, s->current_picture.qscale_table[mbm_xy] ) + 1 ) >> 1;
472 filter_mb_edgecv( &img_cb[0], uvlinesize, bS, qp, h);
473 if(h->pps.chroma_qp_diff)
474 qp= ( h->chroma_qp[1] + get_chroma_qp( h, 1, s->current_picture.qscale_table[mbm_xy] ) + 1 ) >> 1;
475 filter_mb_edgecv( &img_cr[0], uvlinesize, bS, qp, h);
478 filter_mb_edgeh( &img_y[0], linesize, bS, qp, h );
480 int qp= ( h->chroma_qp[0] + get_chroma_qp( h, 0, s->current_picture.qscale_table[mbm_xy] ) + 1 ) >> 1;
481 filter_mb_edgech( &img_cb[0], uvlinesize, bS, qp, h);
482 if(h->pps.chroma_qp_diff)
483 qp= ( h->chroma_qp[1] + get_chroma_qp( h, 1, s->current_picture.qscale_table[mbm_xy] ) + 1 ) >> 1;
484 filter_mb_edgech( &img_cr[0], uvlinesize, bS, qp, h);
492 for( edge = 1; edge < edges; edge++ ) {
493 DECLARE_ALIGNED(8, int16_t, bS)[4];
496 if( IS_8x8DCT(mb_type & (edge<<24)) ) // (edge&1) && IS_8x8DCT(mb_type)
499 if( IS_INTRA(mb_type)) {
500 AV_WN64A(bS, 0x0003000300030003ULL);
505 if( edge & mask_edge ) {
509 else if( mask_par0 ) {
510 int b_idx= 8 + 4 + edge * (dir ? 8:1);
511 int bn_idx= b_idx - (dir ? 8:1);
513 bS[0] = bS[1] = bS[2] = bS[3] = check_mv(h, b_idx, bn_idx, mvy_limit);
519 for( i = 0; i < 4; i++ ) {
520 int x = dir == 0 ? edge : i;
521 int y = dir == 0 ? i : edge;
522 int b_idx= 8 + 4 + x + 8*y;
523 int bn_idx= b_idx - (dir ? 8:1);
525 if( h->non_zero_count_cache[b_idx] |
526 h->non_zero_count_cache[bn_idx] ) {
531 bS[i] = check_mv(h, b_idx, bn_idx, mvy_limit);
535 if(bS[0]+bS[1]+bS[2]+bS[3] == 0)
540 // Do not use s->qscale as luma quantizer because it has not the same
541 // value in IPCM macroblocks.
542 qp = s->current_picture.qscale_table[mb_xy];
543 //tprintf(s->avctx, "filter mb:%d/%d dir:%d edge:%d, QPy:%d, QPc:%d, QPcn:%d\n", mb_x, mb_y, dir, edge, qp, h->chroma_qp[0], s->current_picture.qscale_table[mbn_xy]);
544 tprintf(s->avctx, "filter mb:%d/%d dir:%d edge:%d, QPy:%d ls:%d uvls:%d", mb_x, mb_y, dir, edge, qp, linesize, uvlinesize);
545 //{ int i; for (i = 0; i < 4; i++) tprintf(s->avctx, " bS[%d]:%d", i, bS[i]); tprintf(s->avctx, "\n"); }
547 filter_mb_edgev( &img_y[4*edge << h->pixel_shift], linesize, bS, qp, h );
548 if( (edge&1) == 0 ) {
549 filter_mb_edgecv( &img_cb[2*edge << h->pixel_shift], uvlinesize, bS, h->chroma_qp[0], h);
550 filter_mb_edgecv( &img_cr[2*edge << h->pixel_shift], uvlinesize, bS, h->chroma_qp[1], h);
553 filter_mb_edgeh( &img_y[4*edge*linesize], linesize, bS, qp, h );
554 if( (edge&1) == 0 ) {
555 filter_mb_edgech( &img_cb[2*edge*uvlinesize], uvlinesize, bS, h->chroma_qp[0], h);
556 filter_mb_edgech( &img_cr[2*edge*uvlinesize], uvlinesize, bS, h->chroma_qp[1], h);
562 void ff_h264_filter_mb( 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) {
563 MpegEncContext * const s = &h->s;
564 const int mb_xy= mb_x + mb_y*s->mb_stride;
565 const int mb_type = s->current_picture.mb_type[mb_xy];
566 const int mvy_limit = IS_INTERLACED(mb_type) ? 2 : 4;
567 int first_vertical_edge_done = 0;
571 // and current and left pair do not have the same interlaced type
572 && IS_INTERLACED(mb_type^h->left_type[0])
573 // and left mb is in available to us
574 && h->left_type[0]) {
575 /* First vertical edge is different in MBAFF frames
576 * There are 8 different bS to compute and 2 different Qp
578 DECLARE_ALIGNED(8, int16_t, bS)[8];
582 int mb_qp, mbn0_qp, mbn1_qp;
584 first_vertical_edge_done = 1;
586 if( IS_INTRA(mb_type) ) {
587 AV_WN64A(&bS[0], 0x0004000400040004ULL);
588 AV_WN64A(&bS[4], 0x0004000400040004ULL);
590 static const uint8_t offset[2][2][8]={
592 {7+8*0, 7+8*0, 7+8*0, 7+8*0, 7+8*1, 7+8*1, 7+8*1, 7+8*1},
593 {7+8*2, 7+8*2, 7+8*2, 7+8*2, 7+8*3, 7+8*3, 7+8*3, 7+8*3},
595 {7+8*0, 7+8*1, 7+8*2, 7+8*3, 7+8*0, 7+8*1, 7+8*2, 7+8*3},
596 {7+8*0, 7+8*1, 7+8*2, 7+8*3, 7+8*0, 7+8*1, 7+8*2, 7+8*3},
599 const uint8_t *off= offset[MB_FIELD][mb_y&1];
600 for( i = 0; i < 8; i++ ) {
601 int j= MB_FIELD ? i>>2 : i&1;
602 int mbn_xy = h->left_mb_xy[j];
603 int mbn_type= h->left_type[j];
605 if( IS_INTRA( mbn_type ) )
608 bS[i] = 1 + !!(h->non_zero_count_cache[12+8*(i>>1)] |
609 ((!h->pps.cabac && IS_8x8DCT(mbn_type)) ?
610 (h->cbp_table[mbn_xy] & ((MB_FIELD ? (i&2) : (mb_y&1)) ? 8 : 2))
612 h->non_zero_count[mbn_xy][ off[i] ]));
617 mb_qp = s->current_picture.qscale_table[mb_xy];
618 mbn0_qp = s->current_picture.qscale_table[h->left_mb_xy[0]];
619 mbn1_qp = s->current_picture.qscale_table[h->left_mb_xy[1]];
620 qp[0] = ( mb_qp + mbn0_qp + 1 ) >> 1;
621 bqp[0] = ( get_chroma_qp( h, 0, mb_qp ) +
622 get_chroma_qp( h, 0, mbn0_qp ) + 1 ) >> 1;
623 rqp[0] = ( get_chroma_qp( h, 1, mb_qp ) +
624 get_chroma_qp( h, 1, mbn0_qp ) + 1 ) >> 1;
625 qp[1] = ( mb_qp + mbn1_qp + 1 ) >> 1;
626 bqp[1] = ( get_chroma_qp( h, 0, mb_qp ) +
627 get_chroma_qp( h, 0, mbn1_qp ) + 1 ) >> 1;
628 rqp[1] = ( get_chroma_qp( h, 1, mb_qp ) +
629 get_chroma_qp( h, 1, mbn1_qp ) + 1 ) >> 1;
632 tprintf(s->avctx, "filter mb:%d/%d MBAFF, QPy:%d/%d, QPb:%d/%d QPr:%d/%d ls:%d uvls:%d", mb_x, mb_y, qp[0], qp[1], bqp[0], bqp[1], rqp[0], rqp[1], linesize, uvlinesize);
633 { int i; for (i = 0; i < 8; i++) tprintf(s->avctx, " bS[%d]:%d", i, bS[i]); tprintf(s->avctx, "\n"); }
635 filter_mb_mbaff_edgev ( h, img_y , linesize, bS , 1, qp [0] );
636 filter_mb_mbaff_edgev ( h, img_y + 8* linesize, linesize, bS+4, 1, qp [1] );
637 filter_mb_mbaff_edgecv( h, img_cb, uvlinesize, bS , 1, bqp[0] );
638 filter_mb_mbaff_edgecv( h, img_cb + 4*uvlinesize, uvlinesize, bS+4, 1, bqp[1] );
639 filter_mb_mbaff_edgecv( h, img_cr, uvlinesize, bS , 1, rqp[0] );
640 filter_mb_mbaff_edgecv( h, img_cr + 4*uvlinesize, uvlinesize, bS+4, 1, rqp[1] );
642 filter_mb_mbaff_edgev ( h, img_y , 2* linesize, bS , 2, qp [0] );
643 filter_mb_mbaff_edgev ( h, img_y + linesize, 2* linesize, bS+1, 2, qp [1] );
644 filter_mb_mbaff_edgecv( h, img_cb, 2*uvlinesize, bS , 2, bqp[0] );
645 filter_mb_mbaff_edgecv( h, img_cb + uvlinesize, 2*uvlinesize, bS+1, 2, bqp[1] );
646 filter_mb_mbaff_edgecv( h, img_cr, 2*uvlinesize, bS , 2, rqp[0] );
647 filter_mb_mbaff_edgecv( h, img_cr + uvlinesize, 2*uvlinesize, bS+1, 2, rqp[1] );
652 for( dir = 0; dir < 2; dir++ )
653 filter_mb_dir(h, mb_x, mb_y, img_y, img_cb, img_cr, linesize, uvlinesize, mb_xy, mb_type, mvy_limit, dir ? 0 : first_vertical_edge_done, dir);
655 filter_mb_dir(h, mb_x, mb_y, img_y, img_cb, img_cr, linesize, uvlinesize, mb_xy, mb_type, mvy_limit, first_vertical_edge_done, 0);
656 filter_mb_dir(h, mb_x, mb_y, img_y, img_cb, img_cr, linesize, uvlinesize, mb_xy, mb_type, mvy_limit, 0, 1);