• Home
  • Line#
  • Scopes#
  • Navigate#
  • Raw
  • Download
1 /*
2  * H.26L/H.264/AVC/JVT/14496-10/... loop filter
3  * Copyright (c) 2003 Michael Niedermayer <michaelni@gmx.at>
4  *
5  * This file is part of FFmpeg.
6  *
7  * FFmpeg 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.
11  *
12  * FFmpeg 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.
16  *
17  * You should have received a copy of the GNU Lesser General Public
18  * License along with FFmpeg; if not, write to the Free Software
19  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
20  */
21 
22 /**
23  * @file
24  * H.264 / AVC / MPEG-4 part10 loop filter.
25  * @author Michael Niedermayer <michaelni@gmx.at>
26  */
27 
28 #include "libavutil/internal.h"
29 #include "libavutil/intreadwrite.h"
30 #include "libavutil/mem_internal.h"
31 #include "internal.h"
32 #include "avcodec.h"
33 #include "h264dec.h"
34 #include "h264_ps.h"
35 #include "mathops.h"
36 #include "mpegutils.h"
37 #include "rectangle.h"
38 
39 /* Deblocking filter (p153) */
40 static const uint8_t alpha_table[52*3] = {
41      0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,
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,
46      0,  0,  0,  0,  0,  0,  4,  4,  5,  6,
47      7,  8,  9, 10, 12, 13, 15, 17, 20, 22,
48     25, 28, 32, 36, 40, 45, 50, 56, 63, 71,
49     80, 90,101,113,127,144,162,182,203,226,
50    255,255,
51    255,255,255,255,255,255,255,255,255,255,255,255,255,
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 };
56 static const uint8_t beta_table[52*3] = {
57      0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,
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,
62      0,  0,  0,  0,  0,  0,  2,  2,  2,  3,
63      3,  3,  3,  4,  4,  4,  6,  6,  7,  7,
64      8,  8,  9,  9, 10, 10, 11, 11, 12, 12,
65     13, 13, 14, 14, 15, 15, 16, 16, 17, 17,
66     18, 18,
67     18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18,
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 };
72 static const uint8_t tc0_table[52*3][4] = {
73     {-1, 0, 0, 0 }, {-1, 0, 0, 0 }, {-1, 0, 0, 0 }, {-1, 0, 0, 0 }, {-1, 0, 0, 0 }, {-1, 0, 0, 0 },
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 },
82     {-1, 0, 0, 0 }, {-1, 0, 0, 0 }, {-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, 1 },
85     {-1, 0, 0, 1 }, {-1, 0, 0, 1 }, {-1, 0, 0, 1 }, {-1, 0, 1, 1 }, {-1, 0, 1, 1 }, {-1, 1, 1, 1 },
86     {-1, 1, 1, 1 }, {-1, 1, 1, 1 }, {-1, 1, 1, 1 }, {-1, 1, 1, 2 }, {-1, 1, 1, 2 }, {-1, 1, 1, 2 },
87     {-1, 1, 1, 2 }, {-1, 1, 2, 3 }, {-1, 1, 2, 3 }, {-1, 2, 2, 3 }, {-1, 2, 2, 4 }, {-1, 2, 3, 4 },
88     {-1, 2, 3, 4 }, {-1, 3, 3, 5 }, {-1, 3, 4, 6 }, {-1, 3, 4, 6 }, {-1, 4, 5, 7 }, {-1, 4, 5, 8 },
89     {-1, 4, 6, 9 }, {-1, 5, 7,10 }, {-1, 6, 8,11 }, {-1, 6, 8,13 }, {-1, 7,10,14 }, {-1, 8,11,16 },
90     {-1, 9,12,18 }, {-1,10,13,20 }, {-1,11,15,23 }, {-1,13,17,25 },
91     {-1,13,17,25 }, {-1,13,17,25 }, {-1,13,17,25 }, {-1,13,17,25 }, {-1,13,17,25 }, {-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 },
100 };
101 
102 /* intra: 0 if this loopfilter call is guaranteed to be inter (bS < 4), 1 if it might be intra (bS == 4) */
filter_mb_edgev(uint8_t * pix,int stride,const int16_t bS[4],unsigned int qp,int a,int b,const H264Context * h,int intra)103 static av_always_inline void filter_mb_edgev(uint8_t *pix, int stride,
104                                              const int16_t bS[4],
105                                              unsigned int qp, int a, int b,
106                                              const H264Context *h, int intra)
107 {
108     const unsigned int index_a = qp + a;
109     const int alpha = alpha_table[index_a];
110     const int beta  = beta_table[qp + b];
111     if (alpha ==0 || beta == 0) return;
112 
113     if( bS[0] < 4 || !intra ) {
114         int8_t tc[4];
115         tc[0] = tc0_table[index_a][bS[0]];
116         tc[1] = tc0_table[index_a][bS[1]];
117         tc[2] = tc0_table[index_a][bS[2]];
118         tc[3] = tc0_table[index_a][bS[3]];
119         h->h264dsp.h264_h_loop_filter_luma(pix, stride, alpha, beta, tc);
120     } else {
121         h->h264dsp.h264_h_loop_filter_luma_intra(pix, stride, alpha, beta);
122     }
123 }
124 
filter_mb_edgecv(uint8_t * pix,int stride,const int16_t bS[4],unsigned int qp,int a,int b,const H264Context * h,int intra)125 static av_always_inline void filter_mb_edgecv(uint8_t *pix, int stride,
126                                               const int16_t bS[4],
127                                               unsigned int qp, int a, int b,
128                                               const H264Context *h, int intra)
129 {
130     const unsigned int index_a = qp + a;
131     const int alpha = alpha_table[index_a];
132     const int beta  = beta_table[qp + b];
133     if (alpha ==0 || beta == 0) return;
134 
135     if( bS[0] < 4 || !intra ) {
136         int8_t tc[4];
137         tc[0] = tc0_table[index_a][bS[0]]+1;
138         tc[1] = tc0_table[index_a][bS[1]]+1;
139         tc[2] = tc0_table[index_a][bS[2]]+1;
140         tc[3] = tc0_table[index_a][bS[3]]+1;
141         h->h264dsp.h264_h_loop_filter_chroma(pix, stride, alpha, beta, tc);
142     } else {
143         h->h264dsp.h264_h_loop_filter_chroma_intra(pix, stride, alpha, beta);
144     }
145 }
146 
filter_mb_mbaff_edgev(const H264Context * h,uint8_t * pix,int stride,const int16_t bS[7],int bsi,int qp,int a,int b,int intra)147 static av_always_inline void filter_mb_mbaff_edgev(const H264Context *h, uint8_t *pix,
148                                                    int stride,
149                                                    const int16_t bS[7], int bsi,
150                                                    int qp, int a, int b,
151                                                    int intra)
152 {
153     const unsigned int index_a = qp + a;
154     const int alpha = alpha_table[index_a];
155     const int beta  = beta_table[qp + b];
156     if (alpha ==0 || beta == 0) return;
157 
158     if( bS[0] < 4 || !intra ) {
159         int8_t tc[4];
160         tc[0] = tc0_table[index_a][bS[0*bsi]];
161         tc[1] = tc0_table[index_a][bS[1*bsi]];
162         tc[2] = tc0_table[index_a][bS[2*bsi]];
163         tc[3] = tc0_table[index_a][bS[3*bsi]];
164         h->h264dsp.h264_h_loop_filter_luma_mbaff(pix, stride, alpha, beta, tc);
165     } else {
166         h->h264dsp.h264_h_loop_filter_luma_mbaff_intra(pix, stride, alpha, beta);
167     }
168 }
169 
filter_mb_mbaff_edgecv(const H264Context * h,uint8_t * pix,int stride,const int16_t bS[7],int bsi,int qp,int a,int b,int intra)170 static av_always_inline void filter_mb_mbaff_edgecv(const H264Context *h,
171                                                     uint8_t *pix, int stride,
172                                                     const int16_t bS[7],
173                                                     int bsi, int qp, int a,
174                                                     int b, int intra)
175 {
176     const unsigned int index_a = qp + a;
177     const int alpha = alpha_table[index_a];
178     const int beta  = beta_table[qp + b];
179     if (alpha ==0 || beta == 0) return;
180 
181     if( bS[0] < 4 || !intra ) {
182         int8_t tc[4];
183         tc[0] = tc0_table[index_a][bS[0*bsi]] + 1;
184         tc[1] = tc0_table[index_a][bS[1*bsi]] + 1;
185         tc[2] = tc0_table[index_a][bS[2*bsi]] + 1;
186         tc[3] = tc0_table[index_a][bS[3*bsi]] + 1;
187         h->h264dsp.h264_h_loop_filter_chroma_mbaff(pix, stride, alpha, beta, tc);
188     } else {
189         h->h264dsp.h264_h_loop_filter_chroma_mbaff_intra(pix, stride, alpha, beta);
190     }
191 }
192 
filter_mb_edgeh(uint8_t * pix,int stride,const int16_t bS[4],unsigned int qp,int a,int b,const H264Context * h,int intra)193 static av_always_inline void filter_mb_edgeh(uint8_t *pix, int stride,
194                                              const int16_t bS[4],
195                                              unsigned int qp, int a, int b,
196                                              const H264Context *h, int intra)
197 {
198     const unsigned int index_a = qp + a;
199     const int alpha = alpha_table[index_a];
200     const int beta  = beta_table[qp + b];
201     if (alpha ==0 || beta == 0) return;
202 
203     if( bS[0] < 4 || !intra ) {
204         int8_t tc[4];
205         tc[0] = tc0_table[index_a][bS[0]];
206         tc[1] = tc0_table[index_a][bS[1]];
207         tc[2] = tc0_table[index_a][bS[2]];
208         tc[3] = tc0_table[index_a][bS[3]];
209         h->h264dsp.h264_v_loop_filter_luma(pix, stride, alpha, beta, tc);
210     } else {
211         h->h264dsp.h264_v_loop_filter_luma_intra(pix, stride, alpha, beta);
212     }
213 }
214 
filter_mb_edgech(uint8_t * pix,int stride,const int16_t bS[4],unsigned int qp,int a,int b,const H264Context * h,int intra)215 static av_always_inline void filter_mb_edgech(uint8_t *pix, int stride,
216                                               const int16_t bS[4],
217                                               unsigned int qp, int a, int b,
218                                               const H264Context *h, int intra)
219 {
220     const unsigned int index_a = qp + a;
221     const int alpha = alpha_table[index_a];
222     const int beta  = beta_table[qp + b];
223     if (alpha ==0 || beta == 0) return;
224 
225     if( bS[0] < 4 || !intra ) {
226         int8_t tc[4];
227         tc[0] = tc0_table[index_a][bS[0]]+1;
228         tc[1] = tc0_table[index_a][bS[1]]+1;
229         tc[2] = tc0_table[index_a][bS[2]]+1;
230         tc[3] = tc0_table[index_a][bS[3]]+1;
231         h->h264dsp.h264_v_loop_filter_chroma(pix, stride, alpha, beta, tc);
232     } else {
233         h->h264dsp.h264_v_loop_filter_chroma_intra(pix, stride, alpha, beta);
234     }
235 }
236 
h264_filter_mb_fast_internal(const H264Context * h,H264SliceContext * sl,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 pixel_shift)237 static av_always_inline void h264_filter_mb_fast_internal(const H264Context *h,
238                                                           H264SliceContext *sl,
239                                                           int mb_x, int mb_y,
240                                                           uint8_t *img_y,
241                                                           uint8_t *img_cb,
242                                                           uint8_t *img_cr,
243                                                           unsigned int linesize,
244                                                           unsigned int uvlinesize,
245                                                           int pixel_shift)
246 {
247     int chroma = CHROMA(h) && !(CONFIG_GRAY && (h->flags & AV_CODEC_FLAG_GRAY));
248     int chroma444 = CHROMA444(h);
249     int chroma422 = CHROMA422(h);
250 
251     int mb_xy = sl->mb_xy;
252     int left_type = sl->left_type[LTOP];
253     int top_type  = sl->top_type;
254 
255     int qp_bd_offset = 6 * (h->ps.sps->bit_depth_luma - 8);
256     int a = 52 + sl->slice_alpha_c0_offset - qp_bd_offset;
257     int b = 52 + sl->slice_beta_offset - qp_bd_offset;
258 
259     int mb_type = h->cur_pic.mb_type[mb_xy];
260     int qp      = h->cur_pic.qscale_table[mb_xy];
261     int qp0     = h->cur_pic.qscale_table[mb_xy - 1];
262     int qp1     = h->cur_pic.qscale_table[sl->top_mb_xy];
263     int qpc  = get_chroma_qp(h->ps.pps, 0, qp);
264     int qpc0 = get_chroma_qp(h->ps.pps, 0, qp0);
265     int qpc1 = get_chroma_qp(h->ps.pps, 0, qp1);
266     qp0 = (qp + qp0 + 1) >> 1;
267     qp1 = (qp + qp1 + 1) >> 1;
268     qpc0 = (qpc + qpc0 + 1) >> 1;
269     qpc1 = (qpc + qpc1 + 1) >> 1;
270 
271     if( IS_INTRA(mb_type) ) {
272         static const int16_t bS4[4] = {4,4,4,4};
273         static const int16_t bS3[4] = {3,3,3,3};
274         const int16_t *bSH = FIELD_PICTURE(h) ? bS3 : bS4;
275         if(left_type)
276             filter_mb_edgev( &img_y[4*0<<pixel_shift], linesize, bS4, qp0, a, b, h, 1);
277         if( IS_8x8DCT(mb_type) ) {
278             filter_mb_edgev( &img_y[4*2<<pixel_shift], linesize, bS3, qp, a, b, h, 0);
279             if(top_type){
280                 filter_mb_edgeh( &img_y[4*0*linesize], linesize, bSH, qp1, a, b, h, 1);
281             }
282             filter_mb_edgeh( &img_y[4*2*linesize], linesize, bS3, qp, a, b, h, 0);
283         } else {
284             filter_mb_edgev( &img_y[4*1<<pixel_shift], linesize, bS3, qp, a, b, h, 0);
285             filter_mb_edgev( &img_y[4*2<<pixel_shift], linesize, bS3, qp, a, b, h, 0);
286             filter_mb_edgev( &img_y[4*3<<pixel_shift], linesize, bS3, qp, a, b, h, 0);
287             if(top_type){
288                 filter_mb_edgeh( &img_y[4*0*linesize], linesize, bSH, qp1, a, b, h, 1);
289             }
290             filter_mb_edgeh( &img_y[4*1*linesize], linesize, bS3, qp, a, b, h, 0);
291             filter_mb_edgeh( &img_y[4*2*linesize], linesize, bS3, qp, a, b, h, 0);
292             filter_mb_edgeh( &img_y[4*3*linesize], linesize, bS3, qp, a, b, h, 0);
293         }
294         if(chroma){
295             if(chroma444){
296                 if(left_type){
297                     filter_mb_edgev( &img_cb[4*0<<pixel_shift], linesize, bS4, qpc0, a, b, h, 1);
298                     filter_mb_edgev( &img_cr[4*0<<pixel_shift], linesize, bS4, qpc0, a, b, h, 1);
299                 }
300                 if( IS_8x8DCT(mb_type) ) {
301                     filter_mb_edgev( &img_cb[4*2<<pixel_shift], linesize, bS3, qpc, a, b, h, 0);
302                     filter_mb_edgev( &img_cr[4*2<<pixel_shift], linesize, bS3, qpc, a, b, h, 0);
303                     if(top_type){
304                         filter_mb_edgeh( &img_cb[4*0*linesize], linesize, bSH, qpc1, a, b, h, 1 );
305                         filter_mb_edgeh( &img_cr[4*0*linesize], linesize, bSH, qpc1, a, b, h, 1 );
306                     }
307                     filter_mb_edgeh( &img_cb[4*2*linesize], linesize, bS3, qpc, a, b, h, 0);
308                     filter_mb_edgeh( &img_cr[4*2*linesize], linesize, bS3, qpc, a, b, h, 0);
309                 } else {
310                     filter_mb_edgev( &img_cb[4*1<<pixel_shift], linesize, bS3, qpc, a, b, h, 0);
311                     filter_mb_edgev( &img_cr[4*1<<pixel_shift], linesize, bS3, qpc, a, b, h, 0);
312                     filter_mb_edgev( &img_cb[4*2<<pixel_shift], linesize, bS3, qpc, a, b, h, 0);
313                     filter_mb_edgev( &img_cr[4*2<<pixel_shift], linesize, bS3, qpc, a, b, h, 0);
314                     filter_mb_edgev( &img_cb[4*3<<pixel_shift], linesize, bS3, qpc, a, b, h, 0);
315                     filter_mb_edgev( &img_cr[4*3<<pixel_shift], linesize, bS3, qpc, a, b, h, 0);
316                     if(top_type){
317                         filter_mb_edgeh( &img_cb[4*0*linesize], linesize, bSH, qpc1, a, b, h, 1);
318                         filter_mb_edgeh( &img_cr[4*0*linesize], linesize, bSH, qpc1, a, b, h, 1);
319                     }
320                     filter_mb_edgeh( &img_cb[4*1*linesize], linesize, bS3, qpc, a, b, h, 0);
321                     filter_mb_edgeh( &img_cr[4*1*linesize], linesize, bS3, qpc, a, b, h, 0);
322                     filter_mb_edgeh( &img_cb[4*2*linesize], linesize, bS3, qpc, a, b, h, 0);
323                     filter_mb_edgeh( &img_cr[4*2*linesize], linesize, bS3, qpc, a, b, h, 0);
324                     filter_mb_edgeh( &img_cb[4*3*linesize], linesize, bS3, qpc, a, b, h, 0);
325                     filter_mb_edgeh( &img_cr[4*3*linesize], linesize, bS3, qpc, a, b, h, 0);
326                 }
327             }else if(chroma422){
328                 if(left_type){
329                     filter_mb_edgecv(&img_cb[2*0<<pixel_shift], uvlinesize, bS4, qpc0, a, b, h, 1);
330                     filter_mb_edgecv(&img_cr[2*0<<pixel_shift], uvlinesize, bS4, qpc0, a, b, h, 1);
331                 }
332                 filter_mb_edgecv(&img_cb[2*2<<pixel_shift], uvlinesize, bS3, qpc, a, b, h, 0);
333                 filter_mb_edgecv(&img_cr[2*2<<pixel_shift], uvlinesize, bS3, qpc, a, b, h, 0);
334                 if(top_type){
335                     filter_mb_edgech(&img_cb[4*0*uvlinesize], uvlinesize, bSH, qpc1, a, b, h, 1);
336                     filter_mb_edgech(&img_cr[4*0*uvlinesize], uvlinesize, bSH, qpc1, a, b, h, 1);
337                 }
338                 filter_mb_edgech(&img_cb[4*1*uvlinesize], uvlinesize, bS3, qpc, a, b, h, 0);
339                 filter_mb_edgech(&img_cr[4*1*uvlinesize], uvlinesize, bS3, qpc, a, b, h, 0);
340                 filter_mb_edgech(&img_cb[4*2*uvlinesize], uvlinesize, bS3, qpc, a, b, h, 0);
341                 filter_mb_edgech(&img_cr[4*2*uvlinesize], uvlinesize, bS3, qpc, a, b, h, 0);
342                 filter_mb_edgech(&img_cb[4*3*uvlinesize], uvlinesize, bS3, qpc, a, b, h, 0);
343                 filter_mb_edgech(&img_cr[4*3*uvlinesize], uvlinesize, bS3, qpc, a, b, h, 0);
344             }else{
345                 if(left_type){
346                     filter_mb_edgecv( &img_cb[2*0<<pixel_shift], uvlinesize, bS4, qpc0, a, b, h, 1);
347                     filter_mb_edgecv( &img_cr[2*0<<pixel_shift], uvlinesize, bS4, qpc0, a, b, h, 1);
348                 }
349                 filter_mb_edgecv( &img_cb[2*2<<pixel_shift], uvlinesize, bS3, qpc, a, b, h, 0);
350                 filter_mb_edgecv( &img_cr[2*2<<pixel_shift], uvlinesize, bS3, qpc, a, b, h, 0);
351                 if(top_type){
352                     filter_mb_edgech( &img_cb[2*0*uvlinesize], uvlinesize, bSH, qpc1, a, b, h, 1);
353                     filter_mb_edgech( &img_cr[2*0*uvlinesize], uvlinesize, bSH, qpc1, a, b, h, 1);
354                 }
355                 filter_mb_edgech( &img_cb[2*2*uvlinesize], uvlinesize, bS3, qpc, a, b, h, 0);
356                 filter_mb_edgech( &img_cr[2*2*uvlinesize], uvlinesize, bS3, qpc, a, b, h, 0);
357             }
358         }
359         return;
360     } else {
361         LOCAL_ALIGNED(8, int16_t, bS, [2], [4][4]);
362         int edges;
363         if( IS_8x8DCT(mb_type) && (sl->cbp&7) == 7 && !chroma444 ) {
364             edges = 4;
365             AV_WN64A(bS[0][0], 0x0002000200020002ULL);
366             AV_WN64A(bS[0][2], 0x0002000200020002ULL);
367             AV_WN64A(bS[1][0], 0x0002000200020002ULL);
368             AV_WN64A(bS[1][2], 0x0002000200020002ULL);
369         } else {
370             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;
371             int mask_edge0 = 3*((mask_edge1>>1) & ((5*left_type)>>5)&1); // (mb_type & (MB_TYPE_16x16 | MB_TYPE_8x16)) && (h->left_type[LTOP] & (MB_TYPE_16x16 | MB_TYPE_8x16)) ? 3 : 0;
372             int step =  1+(mb_type>>24); //IS_8x8DCT(mb_type) ? 2 : 1;
373             edges = 4 - 3*((mb_type>>3) & !(sl->cbp & 15)); //(mb_type & MB_TYPE_16x16) && !(h->cbp & 15) ? 1 : 4;
374             h->h264dsp.h264_loop_filter_strength(bS, sl->non_zero_count_cache, sl->ref_cache, sl->mv_cache,
375                                                  sl->list_count==2, edges, step, mask_edge0, mask_edge1, FIELD_PICTURE(h));
376         }
377         if( IS_INTRA(left_type) )
378             AV_WN64A(bS[0][0], 0x0004000400040004ULL);
379         if( IS_INTRA(top_type) )
380             AV_WN64A(bS[1][0], FIELD_PICTURE(h) ? 0x0003000300030003ULL : 0x0004000400040004ULL);
381 
382 #define FILTER(hv,dir,edge,intra)\
383         if(AV_RN64A(bS[dir][edge])) {                                   \
384             filter_mb_edge##hv( &img_y[4*edge*(dir?linesize:1<<pixel_shift)], linesize, bS[dir][edge], edge ? qp : qp##dir, a, b, h, intra );\
385             if(chroma){\
386                 if(chroma444){\
387                     filter_mb_edge##hv( &img_cb[4*edge*(dir?linesize:1<<pixel_shift)], linesize, bS[dir][edge], edge ? qpc : qpc##dir, a, b, h, intra );\
388                     filter_mb_edge##hv( &img_cr[4*edge*(dir?linesize:1<<pixel_shift)], linesize, bS[dir][edge], edge ? qpc : qpc##dir, a, b, h, intra );\
389                 } else if(!(edge&1)) {\
390                     filter_mb_edgec##hv( &img_cb[2*edge*(dir?uvlinesize:1<<pixel_shift)], uvlinesize, bS[dir][edge], edge ? qpc : qpc##dir, a, b, h, intra );\
391                     filter_mb_edgec##hv( &img_cr[2*edge*(dir?uvlinesize:1<<pixel_shift)], uvlinesize, bS[dir][edge], edge ? qpc : qpc##dir, a, b, h, intra );\
392                 }\
393             }\
394         }
395         if(left_type)
396             FILTER(v,0,0,1);
397         if( edges == 1 ) {
398             if(top_type)
399                 FILTER(h,1,0,1);
400         } else if( IS_8x8DCT(mb_type) ) {
401             FILTER(v,0,2,0);
402             if(top_type)
403                 FILTER(h,1,0,1);
404             FILTER(h,1,2,0);
405         } else {
406             FILTER(v,0,1,0);
407             FILTER(v,0,2,0);
408             FILTER(v,0,3,0);
409             if(top_type)
410                 FILTER(h,1,0,1);
411             FILTER(h,1,1,0);
412             FILTER(h,1,2,0);
413             FILTER(h,1,3,0);
414         }
415 #undef FILTER
416     }
417 }
418 
ff_h264_filter_mb_fast(const H264Context * h,H264SliceContext * sl,int mb_x,int mb_y,uint8_t * img_y,uint8_t * img_cb,uint8_t * img_cr,unsigned int linesize,unsigned int uvlinesize)419 void ff_h264_filter_mb_fast(const H264Context *h, H264SliceContext *sl,
420                             int mb_x, int mb_y, uint8_t *img_y,
421                             uint8_t *img_cb, uint8_t *img_cr,
422                             unsigned int linesize, unsigned int uvlinesize)
423 {
424     av_assert2(!FRAME_MBAFF(h));
425     if(!h->h264dsp.h264_loop_filter_strength || h->ps.pps->chroma_qp_diff) {
426         ff_h264_filter_mb(h, sl, mb_x, mb_y, img_y, img_cb, img_cr, linesize, uvlinesize);
427         return;
428     }
429 
430 #if CONFIG_SMALL
431     h264_filter_mb_fast_internal(h, sl, mb_x, mb_y, img_y, img_cb, img_cr, linesize, uvlinesize, h->pixel_shift);
432 #else
433     if(h->pixel_shift){
434         h264_filter_mb_fast_internal(h, sl, mb_x, mb_y, img_y, img_cb, img_cr, linesize, uvlinesize, 1);
435     }else{
436         h264_filter_mb_fast_internal(h, sl, mb_x, mb_y, img_y, img_cb, img_cr, linesize, uvlinesize, 0);
437     }
438 #endif
439 }
440 
check_mv(H264SliceContext * sl,long b_idx,long bn_idx,int mvy_limit)441 static int check_mv(H264SliceContext *sl, long b_idx, long bn_idx, int mvy_limit)
442 {
443     int v;
444 
445     v = sl->ref_cache[0][b_idx] != sl->ref_cache[0][bn_idx];
446     if (!v && sl->ref_cache[0][b_idx] != -1)
447         v = sl->mv_cache[0][b_idx][0] - sl->mv_cache[0][bn_idx][0] + 3 >= 7U |
448            FFABS(sl->mv_cache[0][b_idx][1] - sl->mv_cache[0][bn_idx][1]) >= mvy_limit;
449 
450     if (sl->list_count == 2) {
451         if(!v)
452             v = sl->ref_cache[1][b_idx] != sl->ref_cache[1][bn_idx] |
453                 sl->mv_cache[1][b_idx][0] - sl->mv_cache[1][bn_idx][0] + 3 >= 7U |
454                 FFABS(sl->mv_cache[1][b_idx][1] - sl->mv_cache[1][bn_idx][1]) >= mvy_limit;
455 
456         if(v){
457             if (sl->ref_cache[0][b_idx] != sl->ref_cache[1][bn_idx] |
458                 sl->ref_cache[1][b_idx] != sl->ref_cache[0][bn_idx])
459                 return 1;
460             return
461                 sl->mv_cache[0][b_idx][0] - sl->mv_cache[1][bn_idx][0] + 3 >= 7U |
462                 FFABS(sl->mv_cache[0][b_idx][1] - sl->mv_cache[1][bn_idx][1]) >= mvy_limit |
463                 sl->mv_cache[1][b_idx][0] - sl->mv_cache[0][bn_idx][0] + 3 >= 7U |
464                 FFABS(sl->mv_cache[1][b_idx][1] - sl->mv_cache[0][bn_idx][1]) >= mvy_limit;
465         }
466     }
467 
468     return v;
469 }
470 
filter_mb_dir(const H264Context * h,H264SliceContext * sl,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 a,int b,int chroma,int dir)471 static av_always_inline void filter_mb_dir(const H264Context *h, H264SliceContext *sl,
472                                            int mb_x, int mb_y,
473                                            uint8_t *img_y, uint8_t *img_cb, uint8_t *img_cr,
474                                            unsigned int linesize, unsigned int uvlinesize,
475                                            int mb_xy, int mb_type, int mvy_limit,
476                                            int first_vertical_edge_done, int a, int b,
477                                            int chroma, int dir)
478 {
479     int edge;
480     int chroma_qp_avg[2];
481     int chroma444 = CHROMA444(h);
482     int chroma422 = CHROMA422(h);
483     const int mbm_xy = dir == 0 ? mb_xy -1 : sl->top_mb_xy;
484     const int mbm_type = dir == 0 ? sl->left_type[LTOP] : sl->top_type;
485 
486     // how often to recheck mv-based bS when iterating between edges
487     static const uint8_t mask_edge_tab[2][8]={{0,3,3,3,1,1,1,1},
488                                               {0,3,1,1,3,3,3,3}};
489     const int mask_edge = mask_edge_tab[dir][(mb_type>>3)&7];
490     const int edges = mask_edge== 3 && !(sl->cbp&15) ? 1 : 4;
491 
492     // how often to recheck mv-based bS when iterating along each edge
493     const int mask_par0 = mb_type & (MB_TYPE_16x16 | (MB_TYPE_8x16 >> dir));
494 
495     if(mbm_type && !first_vertical_edge_done){
496 
497         if (FRAME_MBAFF(h) && (dir == 1) && ((mb_y&1) == 0)
498             && IS_INTERLACED(mbm_type&~mb_type)
499             ) {
500             // This is a special case in the norm where the filtering must
501             // be done twice (one each of the field) even if we are in a
502             // frame macroblock.
503             //
504             unsigned int tmp_linesize   = 2 *   linesize;
505             unsigned int tmp_uvlinesize = 2 * uvlinesize;
506             int mbn_xy = mb_xy - 2 * h->mb_stride;
507             int j;
508 
509             for(j=0; j<2; j++, mbn_xy += h->mb_stride){
510                 LOCAL_ALIGNED(8, int16_t, bS, [4]);
511                 int qp;
512                 if (IS_INTRA(mb_type | h->cur_pic.mb_type[mbn_xy])) {
513                     AV_WN64A(bS, 0x0003000300030003ULL);
514                 } else {
515                     if (!CABAC(h) && IS_8x8DCT(h->cur_pic.mb_type[mbn_xy])) {
516                         bS[0]= 1+((h->cbp_table[mbn_xy] & 0x4000) || sl->non_zero_count_cache[scan8[0]+0]);
517                         bS[1]= 1+((h->cbp_table[mbn_xy] & 0x4000) || sl->non_zero_count_cache[scan8[0]+1]);
518                         bS[2]= 1+((h->cbp_table[mbn_xy] & 0x8000) || sl->non_zero_count_cache[scan8[0]+2]);
519                         bS[3]= 1+((h->cbp_table[mbn_xy] & 0x8000) || sl->non_zero_count_cache[scan8[0]+3]);
520                     }else{
521                     const uint8_t *mbn_nnz = h->non_zero_count[mbn_xy] + 3*4;
522                     int i;
523                     for( i = 0; i < 4; i++ ) {
524                         bS[i] = 1 + !!(sl->non_zero_count_cache[scan8[0]+i] | mbn_nnz[i]);
525                     }
526                     }
527                 }
528                 // Do not use s->qscale as luma quantizer because it has not the same
529                 // value in IPCM macroblocks.
530                 qp = (h->cur_pic.qscale_table[mb_xy] + h->cur_pic.qscale_table[mbn_xy] + 1) >> 1;
531                 ff_tlog(h->avctx, "filter mb:%d/%d dir:%d, QPy:%d ls:%d uvls:%d", mb_x, mb_y, dir, qp, tmp_linesize, tmp_uvlinesize);
532                 { int i; for (i = 0; i < 4; i++) ff_tlog(h->avctx, " bS[%d]:%d", i, bS[i]); ff_tlog(h->avctx, "\n"); }
533                 filter_mb_edgeh( &img_y[j*linesize], tmp_linesize, bS, qp, a, b, h, 0 );
534                 chroma_qp_avg[0] = (sl->chroma_qp[0] + get_chroma_qp(h->ps.pps, 0, h->cur_pic.qscale_table[mbn_xy]) + 1) >> 1;
535                 chroma_qp_avg[1] = (sl->chroma_qp[1] + get_chroma_qp(h->ps.pps, 1, h->cur_pic.qscale_table[mbn_xy]) + 1) >> 1;
536                 if (chroma) {
537                     if (chroma444) {
538                         filter_mb_edgeh (&img_cb[j*uvlinesize], tmp_uvlinesize, bS, chroma_qp_avg[0], a, b, h, 0);
539                         filter_mb_edgeh (&img_cr[j*uvlinesize], tmp_uvlinesize, bS, chroma_qp_avg[1], a, b, h, 0);
540                     } else {
541                         filter_mb_edgech(&img_cb[j*uvlinesize], tmp_uvlinesize, bS, chroma_qp_avg[0], a, b, h, 0);
542                         filter_mb_edgech(&img_cr[j*uvlinesize], tmp_uvlinesize, bS, chroma_qp_avg[1], a, b, h, 0);
543                     }
544                 }
545             }
546         }else{
547             LOCAL_ALIGNED(8, int16_t, bS, [4]);
548             int qp;
549 
550             if( IS_INTRA(mb_type|mbm_type)) {
551                 AV_WN64A(bS, 0x0003000300030003ULL);
552                 if (   (!IS_INTERLACED(mb_type|mbm_type))
553                     || ((FRAME_MBAFF(h) || (h->picture_structure != PICT_FRAME)) && (dir == 0))
554                 )
555                     AV_WN64A(bS, 0x0004000400040004ULL);
556             } else {
557                 int i;
558                 int mv_done;
559 
560                 if( dir && FRAME_MBAFF(h) && IS_INTERLACED(mb_type ^ mbm_type)) {
561                     AV_WN64A(bS, 0x0001000100010001ULL);
562                     mv_done = 1;
563                 }
564                 else if( mask_par0 && ((mbm_type & (MB_TYPE_16x16 | (MB_TYPE_8x16 >> dir)))) ) {
565                     int b_idx= 8 + 4;
566                     int bn_idx= b_idx - (dir ? 8:1);
567 
568                     bS[0] = bS[1] = bS[2] = bS[3] = check_mv(sl, 8 + 4, bn_idx, mvy_limit);
569                     mv_done = 1;
570                 }
571                 else
572                     mv_done = 0;
573 
574                 for( i = 0; i < 4; i++ ) {
575                     int x = dir == 0 ? 0 : i;
576                     int y = dir == 0 ? i    : 0;
577                     int b_idx= 8 + 4 + x + 8*y;
578                     int bn_idx= b_idx - (dir ? 8:1);
579 
580                     if (sl->non_zero_count_cache[b_idx] |
581                         sl->non_zero_count_cache[bn_idx]) {
582                         bS[i] = 2;
583                     }
584                     else if(!mv_done)
585                     {
586                         bS[i] = check_mv(sl, b_idx, bn_idx, mvy_limit);
587                     }
588                 }
589             }
590 
591             /* Filter edge */
592             // Do not use s->qscale as luma quantizer because it has not the same
593             // value in IPCM macroblocks.
594             if(bS[0]+bS[1]+bS[2]+bS[3]){
595                 qp = (h->cur_pic.qscale_table[mb_xy] + h->cur_pic.qscale_table[mbm_xy] + 1) >> 1;
596                 //ff_tlog(h->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], h->cur_pic.qscale_table[mbn_xy]);
597                 ff_tlog(h->avctx, "filter mb:%d/%d dir:%d edge:%d, QPy:%d ls:%d uvls:%d", mb_x, mb_y, dir, edge, qp, linesize, uvlinesize);
598                 //{ int i; for (i = 0; i < 4; i++) ff_tlog(h->avctx, " bS[%d]:%d", i, bS[i]); ff_tlog(h->avctx, "\n"); }
599                 chroma_qp_avg[0] = (sl->chroma_qp[0] + get_chroma_qp(h->ps.pps, 0, h->cur_pic.qscale_table[mbm_xy]) + 1) >> 1;
600                 chroma_qp_avg[1] = (sl->chroma_qp[1] + get_chroma_qp(h->ps.pps, 1, h->cur_pic.qscale_table[mbm_xy]) + 1) >> 1;
601                 if( dir == 0 ) {
602                     filter_mb_edgev( &img_y[0], linesize, bS, qp, a, b, h, 1 );
603                     if (chroma) {
604                         if (chroma444) {
605                             filter_mb_edgev ( &img_cb[0], uvlinesize, bS, chroma_qp_avg[0], a, b, h, 1);
606                             filter_mb_edgev ( &img_cr[0], uvlinesize, bS, chroma_qp_avg[1], a, b, h, 1);
607                         } else {
608                             filter_mb_edgecv( &img_cb[0], uvlinesize, bS, chroma_qp_avg[0], a, b, h, 1);
609                             filter_mb_edgecv( &img_cr[0], uvlinesize, bS, chroma_qp_avg[1], a, b, h, 1);
610                         }
611                     }
612                 } else {
613                     filter_mb_edgeh( &img_y[0], linesize, bS, qp, a, b, h, 1 );
614                     if (chroma) {
615                         if (chroma444) {
616                             filter_mb_edgeh ( &img_cb[0], uvlinesize, bS, chroma_qp_avg[0], a, b, h, 1);
617                             filter_mb_edgeh ( &img_cr[0], uvlinesize, bS, chroma_qp_avg[1], a, b, h, 1);
618                         } else {
619                             filter_mb_edgech( &img_cb[0], uvlinesize, bS, chroma_qp_avg[0], a, b, h, 1);
620                             filter_mb_edgech( &img_cr[0], uvlinesize, bS, chroma_qp_avg[1], a, b, h, 1);
621                         }
622                     }
623                 }
624             }
625         }
626     }
627 
628     /* Calculate bS */
629     for( edge = 1; edge < edges; edge++ ) {
630         LOCAL_ALIGNED(8, int16_t, bS, [4]);
631         int qp;
632         const int deblock_edge = !IS_8x8DCT(mb_type & (edge<<24)); // (edge&1) && IS_8x8DCT(mb_type)
633 
634         if (!deblock_edge && (!chroma422 || dir == 0))
635             continue;
636 
637         if( IS_INTRA(mb_type)) {
638             AV_WN64A(bS, 0x0003000300030003ULL);
639         } else {
640             int i;
641             int mv_done;
642 
643             if( edge & mask_edge ) {
644                 AV_ZERO64(bS);
645                 mv_done = 1;
646             }
647             else if( mask_par0 ) {
648                 int b_idx= 8 + 4 + edge * (dir ? 8:1);
649                 int bn_idx= b_idx - (dir ? 8:1);
650 
651                 bS[0] = bS[1] = bS[2] = bS[3] = check_mv(sl, b_idx, bn_idx, mvy_limit);
652                 mv_done = 1;
653             }
654             else
655                 mv_done = 0;
656 
657             for( i = 0; i < 4; i++ ) {
658                 int x = dir == 0 ? edge : i;
659                 int y = dir == 0 ? i    : edge;
660                 int b_idx= 8 + 4 + x + 8*y;
661                 int bn_idx= b_idx - (dir ? 8:1);
662 
663                 if (sl->non_zero_count_cache[b_idx] |
664                     sl->non_zero_count_cache[bn_idx]) {
665                     bS[i] = 2;
666                 }
667                 else if(!mv_done)
668                 {
669                     bS[i] = check_mv(sl, b_idx, bn_idx, mvy_limit);
670                 }
671             }
672 
673             if(bS[0]+bS[1]+bS[2]+bS[3] == 0)
674                 continue;
675         }
676 
677         /* Filter edge */
678         // Do not use s->qscale as luma quantizer because it has not the same
679         // value in IPCM macroblocks.
680         qp = h->cur_pic.qscale_table[mb_xy];
681         //ff_tlog(h->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], h->cur_pic.qscale_table[mbn_xy]);
682         ff_tlog(h->avctx, "filter mb:%d/%d dir:%d edge:%d, QPy:%d ls:%d uvls:%d", mb_x, mb_y, dir, edge, qp, linesize, uvlinesize);
683         //{ int i; for (i = 0; i < 4; i++) ff_tlog(h->avctx, " bS[%d]:%d", i, bS[i]); ff_tlog(h->avctx, "\n"); }
684         if( dir == 0 ) {
685             filter_mb_edgev( &img_y[4*edge << h->pixel_shift], linesize, bS, qp, a, b, h, 0 );
686             if (chroma) {
687                 if (chroma444) {
688                     filter_mb_edgev ( &img_cb[4*edge << h->pixel_shift], uvlinesize, bS, sl->chroma_qp[0], a, b, h, 0);
689                     filter_mb_edgev ( &img_cr[4*edge << h->pixel_shift], uvlinesize, bS, sl->chroma_qp[1], a, b, h, 0);
690                 } else if( (edge&1) == 0 ) {
691                     filter_mb_edgecv( &img_cb[2*edge << h->pixel_shift], uvlinesize, bS, sl->chroma_qp[0], a, b, h, 0);
692                     filter_mb_edgecv( &img_cr[2*edge << h->pixel_shift], uvlinesize, bS, sl->chroma_qp[1], a, b, h, 0);
693                 }
694             }
695         } else {
696             if (chroma422) {
697                 if (deblock_edge)
698                     filter_mb_edgeh(&img_y[4*edge*linesize], linesize, bS, qp, a, b, h, 0);
699                 if (chroma) {
700                     filter_mb_edgech(&img_cb[4*edge*uvlinesize], uvlinesize, bS, sl->chroma_qp[0], a, b, h, 0);
701                     filter_mb_edgech(&img_cr[4*edge*uvlinesize], uvlinesize, bS, sl->chroma_qp[1], a, b, h, 0);
702                 }
703             } else {
704                 filter_mb_edgeh(&img_y[4*edge*linesize], linesize, bS, qp, a, b, h, 0);
705                 if (chroma) {
706                     if (chroma444) {
707                         filter_mb_edgeh (&img_cb[4*edge*uvlinesize], uvlinesize, bS, sl->chroma_qp[0], a, b, h, 0);
708                         filter_mb_edgeh (&img_cr[4*edge*uvlinesize], uvlinesize, bS, sl->chroma_qp[1], a, b, h, 0);
709                     } else if ((edge&1) == 0) {
710                         filter_mb_edgech(&img_cb[2*edge*uvlinesize], uvlinesize, bS, sl->chroma_qp[0], a, b, h, 0);
711                         filter_mb_edgech(&img_cr[2*edge*uvlinesize], uvlinesize, bS, sl->chroma_qp[1], a, b, h, 0);
712                     }
713                 }
714             }
715         }
716     }
717 }
718 
ff_h264_filter_mb(const H264Context * h,H264SliceContext * sl,int mb_x,int mb_y,uint8_t * img_y,uint8_t * img_cb,uint8_t * img_cr,unsigned int linesize,unsigned int uvlinesize)719 void ff_h264_filter_mb(const H264Context *h, H264SliceContext *sl,
720                        int mb_x, int mb_y,
721                        uint8_t *img_y, uint8_t *img_cb, uint8_t *img_cr,
722                        unsigned int linesize, unsigned int uvlinesize)
723 {
724     const int mb_xy= mb_x + mb_y*h->mb_stride;
725     const int mb_type = h->cur_pic.mb_type[mb_xy];
726     const int mvy_limit = IS_INTERLACED(mb_type) ? 2 : 4;
727     int first_vertical_edge_done = 0;
728     int chroma = CHROMA(h) && !(CONFIG_GRAY && (h->flags & AV_CODEC_FLAG_GRAY));
729     int qp_bd_offset = 6 * (h->ps.sps->bit_depth_luma - 8);
730     int a = 52 + sl->slice_alpha_c0_offset - qp_bd_offset;
731     int b = 52 + sl->slice_beta_offset - qp_bd_offset;
732 
733     if (FRAME_MBAFF(h)
734             // and current and left pair do not have the same interlaced type
735             && IS_INTERLACED(mb_type ^ sl->left_type[LTOP])
736             // and left mb is in available to us
737             && sl->left_type[LTOP]) {
738         /* First vertical edge is different in MBAFF frames
739          * There are 8 different bS to compute and 2 different Qp
740          */
741         LOCAL_ALIGNED(8, int16_t, bS, [8]);
742         int qp[2];
743         int bqp[2];
744         int rqp[2];
745         int mb_qp, mbn0_qp, mbn1_qp;
746         int i;
747         first_vertical_edge_done = 1;
748 
749         if( IS_INTRA(mb_type) ) {
750             AV_WN64A(&bS[0], 0x0004000400040004ULL);
751             AV_WN64A(&bS[4], 0x0004000400040004ULL);
752         } else {
753             static const uint8_t offset[2][2][8]={
754                 {
755                     {3+4*0, 3+4*0, 3+4*0, 3+4*0, 3+4*1, 3+4*1, 3+4*1, 3+4*1},
756                     {3+4*2, 3+4*2, 3+4*2, 3+4*2, 3+4*3, 3+4*3, 3+4*3, 3+4*3},
757                 },{
758                     {3+4*0, 3+4*1, 3+4*2, 3+4*3, 3+4*0, 3+4*1, 3+4*2, 3+4*3},
759                     {3+4*0, 3+4*1, 3+4*2, 3+4*3, 3+4*0, 3+4*1, 3+4*2, 3+4*3},
760                 }
761             };
762             const uint8_t *off= offset[MB_FIELD(sl)][mb_y&1];
763             for( i = 0; i < 8; i++ ) {
764                 int j= MB_FIELD(sl) ? i>>2 : i&1;
765                 int mbn_xy = sl->left_mb_xy[LEFT(j)];
766                 int mbn_type = sl->left_type[LEFT(j)];
767 
768                 if( IS_INTRA( mbn_type ) )
769                     bS[i] = 4;
770                 else{
771                     bS[i] = 1 + !!(sl->non_zero_count_cache[12+8*(i>>1)] |
772                          ((!h->ps.pps->cabac && IS_8x8DCT(mbn_type)) ?
773                             (h->cbp_table[mbn_xy] & (((MB_FIELD(sl) ? (i&2) : (mb_y&1)) ? 8 : 2) << 12))
774                                                                        :
775                             h->non_zero_count[mbn_xy][ off[i] ]));
776                 }
777             }
778         }
779 
780         mb_qp   = h->cur_pic.qscale_table[mb_xy];
781         mbn0_qp = h->cur_pic.qscale_table[sl->left_mb_xy[0]];
782         mbn1_qp = h->cur_pic.qscale_table[sl->left_mb_xy[1]];
783         qp[0] = ( mb_qp + mbn0_qp + 1 ) >> 1;
784         bqp[0] = (get_chroma_qp(h->ps.pps, 0, mb_qp) +
785                   get_chroma_qp(h->ps.pps, 0, mbn0_qp) + 1) >> 1;
786         rqp[0] = (get_chroma_qp(h->ps.pps, 1, mb_qp) +
787                   get_chroma_qp(h->ps.pps, 1, mbn0_qp) + 1) >> 1;
788         qp[1] = ( mb_qp + mbn1_qp + 1 ) >> 1;
789         bqp[1] = (get_chroma_qp(h->ps.pps, 0, mb_qp) +
790                   get_chroma_qp(h->ps.pps, 0, mbn1_qp) + 1 ) >> 1;
791         rqp[1] = (get_chroma_qp(h->ps.pps, 1, mb_qp) +
792                   get_chroma_qp(h->ps.pps, 1, mbn1_qp) + 1 ) >> 1;
793 
794         /* Filter edge */
795         ff_tlog(h->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);
796         { int i; for (i = 0; i < 8; i++) ff_tlog(h->avctx, " bS[%d]:%d", i, bS[i]); ff_tlog(h->avctx, "\n"); }
797         if (MB_FIELD(sl)) {
798             filter_mb_mbaff_edgev ( h, img_y                ,   linesize, bS  , 1, qp [0], a, b, 1 );
799             filter_mb_mbaff_edgev ( h, img_y  + 8*  linesize,   linesize, bS+4, 1, qp [1], a, b, 1 );
800             if (chroma){
801                 if (CHROMA444(h)) {
802                     filter_mb_mbaff_edgev ( h, img_cb,                uvlinesize, bS  , 1, bqp[0], a, b, 1 );
803                     filter_mb_mbaff_edgev ( h, img_cb + 8*uvlinesize, uvlinesize, bS+4, 1, bqp[1], a, b, 1 );
804                     filter_mb_mbaff_edgev ( h, img_cr,                uvlinesize, bS  , 1, rqp[0], a, b, 1 );
805                     filter_mb_mbaff_edgev ( h, img_cr + 8*uvlinesize, uvlinesize, bS+4, 1, rqp[1], a, b, 1 );
806                 } else if (CHROMA422(h)) {
807                     filter_mb_mbaff_edgecv(h, img_cb,                uvlinesize, bS  , 1, bqp[0], a, b, 1);
808                     filter_mb_mbaff_edgecv(h, img_cb + 8*uvlinesize, uvlinesize, bS+4, 1, bqp[1], a, b, 1);
809                     filter_mb_mbaff_edgecv(h, img_cr,                uvlinesize, bS  , 1, rqp[0], a, b, 1);
810                     filter_mb_mbaff_edgecv(h, img_cr + 8*uvlinesize, uvlinesize, bS+4, 1, rqp[1], a, b, 1);
811                 }else{
812                     filter_mb_mbaff_edgecv( h, img_cb,                uvlinesize, bS  , 1, bqp[0], a, b, 1 );
813                     filter_mb_mbaff_edgecv( h, img_cb + 4*uvlinesize, uvlinesize, bS+4, 1, bqp[1], a, b, 1 );
814                     filter_mb_mbaff_edgecv( h, img_cr,                uvlinesize, bS  , 1, rqp[0], a, b, 1 );
815                     filter_mb_mbaff_edgecv( h, img_cr + 4*uvlinesize, uvlinesize, bS+4, 1, rqp[1], a, b, 1 );
816                 }
817             }
818         }else{
819             filter_mb_mbaff_edgev ( h, img_y              , 2*  linesize, bS  , 2, qp [0], a, b, 1 );
820             filter_mb_mbaff_edgev ( h, img_y  +   linesize, 2*  linesize, bS+1, 2, qp [1], a, b, 1 );
821             if (chroma){
822                 if (CHROMA444(h)) {
823                     filter_mb_mbaff_edgev ( h, img_cb,              2*uvlinesize, bS  , 2, bqp[0], a, b, 1 );
824                     filter_mb_mbaff_edgev ( h, img_cb + uvlinesize, 2*uvlinesize, bS+1, 2, bqp[1], a, b, 1 );
825                     filter_mb_mbaff_edgev ( h, img_cr,              2*uvlinesize, bS  , 2, rqp[0], a, b, 1 );
826                     filter_mb_mbaff_edgev ( h, img_cr + uvlinesize, 2*uvlinesize, bS+1, 2, rqp[1], a, b, 1 );
827                 }else{
828                     filter_mb_mbaff_edgecv( h, img_cb,              2*uvlinesize, bS  , 2, bqp[0], a, b, 1 );
829                     filter_mb_mbaff_edgecv( h, img_cb + uvlinesize, 2*uvlinesize, bS+1, 2, bqp[1], a, b, 1 );
830                     filter_mb_mbaff_edgecv( h, img_cr,              2*uvlinesize, bS  , 2, rqp[0], a, b, 1 );
831                     filter_mb_mbaff_edgecv( h, img_cr + uvlinesize, 2*uvlinesize, bS+1, 2, rqp[1], a, b, 1 );
832                 }
833             }
834         }
835     }
836 
837 #if CONFIG_SMALL
838     {
839         int dir;
840         for (dir = 0; dir < 2; dir++)
841             filter_mb_dir(h, sl, mb_x, mb_y, img_y, img_cb, img_cr, linesize,
842                           uvlinesize, mb_xy, mb_type, mvy_limit,
843                           dir ? 0 : first_vertical_edge_done, a, b,
844                           chroma, dir);
845     }
846 #else
847     filter_mb_dir(h, sl, mb_x, mb_y, img_y, img_cb, img_cr, linesize, uvlinesize, mb_xy, mb_type, mvy_limit, first_vertical_edge_done, a, b, chroma, 0);
848     filter_mb_dir(h, sl, mb_x, mb_y, img_y, img_cb, img_cr, linesize, uvlinesize, mb_xy, mb_type, mvy_limit, 0,                        a, b, chroma, 1);
849 #endif
850 }
851