FFmpeg
 All Data Structures Namespaces Files Functions Variables Typedefs Enumerations Enumerator Macros Groups Pages
h264_loopfilter.c
Go to the documentation of this file.
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 "internal.h"
31 #include "avcodec.h"
32 #include "h264dec.h"
33 #include "h264_ps.h"
34 #include "mathops.h"
35 #include "mpegutils.h"
36 #include "rectangle.h"
37 
38 /* Deblocking filter (p153) */
39 static const uint8_t alpha_table[52*3] = {
40  0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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,
45  0, 0, 0, 0, 0, 0, 4, 4, 5, 6,
46  7, 8, 9, 10, 12, 13, 15, 17, 20, 22,
47  25, 28, 32, 36, 40, 45, 50, 56, 63, 71,
48  80, 90,101,113,127,144,162,182,203,226,
49  255,255,
50  255,255,255,255,255,255,255,255,255,255,255,255,255,
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 };
55 static const uint8_t beta_table[52*3] = {
56  0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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,
61  0, 0, 0, 0, 0, 0, 2, 2, 2, 3,
62  3, 3, 3, 4, 4, 4, 6, 6, 7, 7,
63  8, 8, 9, 9, 10, 10, 11, 11, 12, 12,
64  13, 13, 14, 14, 15, 15, 16, 16, 17, 17,
65  18, 18,
66  18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 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 };
71 static const uint8_t tc0_table[52*3][4] = {
72  {-1, 0, 0, 0 }, {-1, 0, 0, 0 }, {-1, 0, 0, 0 }, {-1, 0, 0, 0 }, {-1, 0, 0, 0 }, {-1, 0, 0, 0 },
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 },
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 }, {-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, 1 },
84  {-1, 0, 0, 1 }, {-1, 0, 0, 1 }, {-1, 0, 0, 1 }, {-1, 0, 1, 1 }, {-1, 0, 1, 1 }, {-1, 1, 1, 1 },
85  {-1, 1, 1, 1 }, {-1, 1, 1, 1 }, {-1, 1, 1, 1 }, {-1, 1, 1, 2 }, {-1, 1, 1, 2 }, {-1, 1, 1, 2 },
86  {-1, 1, 1, 2 }, {-1, 1, 2, 3 }, {-1, 1, 2, 3 }, {-1, 2, 2, 3 }, {-1, 2, 2, 4 }, {-1, 2, 3, 4 },
87  {-1, 2, 3, 4 }, {-1, 3, 3, 5 }, {-1, 3, 4, 6 }, {-1, 3, 4, 6 }, {-1, 4, 5, 7 }, {-1, 4, 5, 8 },
88  {-1, 4, 6, 9 }, {-1, 5, 7,10 }, {-1, 6, 8,11 }, {-1, 6, 8,13 }, {-1, 7,10,14 }, {-1, 8,11,16 },
89  {-1, 9,12,18 }, {-1,10,13,20 }, {-1,11,15,23 }, {-1,13,17,25 },
90  {-1,13,17,25 }, {-1,13,17,25 }, {-1,13,17,25 }, {-1,13,17,25 }, {-1,13,17,25 }, {-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 },
99 };
100 
101 /* intra: 0 if this loopfilter call is guaranteed to be inter (bS < 4), 1 if it might be intra (bS == 4) */
102 static av_always_inline void filter_mb_edgev(uint8_t *pix, int stride,
103  const int16_t bS[4],
104  unsigned int qp, int a, int b,
105  const H264Context *h, int intra)
106 {
107  const unsigned int index_a = qp + a;
108  const int alpha = alpha_table[index_a];
109  const int beta = beta_table[qp + b];
110  if (alpha ==0 || beta == 0) return;
111 
112  if( bS[0] < 4 || !intra ) {
113  int8_t tc[4];
114  tc[0] = tc0_table[index_a][bS[0]];
115  tc[1] = tc0_table[index_a][bS[1]];
116  tc[2] = tc0_table[index_a][bS[2]];
117  tc[3] = tc0_table[index_a][bS[3]];
118  h->h264dsp.h264_h_loop_filter_luma(pix, stride, alpha, beta, tc);
119  } else {
120  h->h264dsp.h264_h_loop_filter_luma_intra(pix, stride, alpha, beta);
121  }
122 }
123 
124 static av_always_inline void filter_mb_edgecv(uint8_t *pix, int stride,
125  const int16_t bS[4],
126  unsigned int qp, int a, int b,
127  const H264Context *h, int intra)
128 {
129  const unsigned int index_a = qp + a;
130  const int alpha = alpha_table[index_a];
131  const int beta = beta_table[qp + b];
132  if (alpha ==0 || beta == 0) return;
133 
134  if( bS[0] < 4 || !intra ) {
135  int8_t tc[4];
136  tc[0] = tc0_table[index_a][bS[0]]+1;
137  tc[1] = tc0_table[index_a][bS[1]]+1;
138  tc[2] = tc0_table[index_a][bS[2]]+1;
139  tc[3] = tc0_table[index_a][bS[3]]+1;
140  h->h264dsp.h264_h_loop_filter_chroma(pix, stride, alpha, beta, tc);
141  } else {
142  h->h264dsp.h264_h_loop_filter_chroma_intra(pix, stride, alpha, beta);
143  }
144 }
145 
146 static av_always_inline void filter_mb_mbaff_edgev(const H264Context *h, uint8_t *pix,
147  int stride,
148  const int16_t bS[7], int bsi,
149  int qp, int a, int b,
150  int intra)
151 {
152  const unsigned int index_a = qp + a;
153  const int alpha = alpha_table[index_a];
154  const int beta = beta_table[qp + b];
155  if (alpha ==0 || beta == 0) return;
156 
157  if( bS[0] < 4 || !intra ) {
158  int8_t tc[4];
159  tc[0] = tc0_table[index_a][bS[0*bsi]];
160  tc[1] = tc0_table[index_a][bS[1*bsi]];
161  tc[2] = tc0_table[index_a][bS[2*bsi]];
162  tc[3] = tc0_table[index_a][bS[3*bsi]];
163  h->h264dsp.h264_h_loop_filter_luma_mbaff(pix, stride, alpha, beta, tc);
164  } else {
165  h->h264dsp.h264_h_loop_filter_luma_mbaff_intra(pix, stride, alpha, beta);
166  }
167 }
168 
169 static av_always_inline void filter_mb_mbaff_edgecv(const H264Context *h,
170  uint8_t *pix, int stride,
171  const int16_t bS[7],
172  int bsi, int qp, int a,
173  int b, int intra)
174 {
175  const unsigned int index_a = qp + a;
176  const int alpha = alpha_table[index_a];
177  const int beta = beta_table[qp + b];
178  if (alpha ==0 || beta == 0) return;
179 
180  if( bS[0] < 4 || !intra ) {
181  int8_t tc[4];
182  tc[0] = tc0_table[index_a][bS[0*bsi]] + 1;
183  tc[1] = tc0_table[index_a][bS[1*bsi]] + 1;
184  tc[2] = tc0_table[index_a][bS[2*bsi]] + 1;
185  tc[3] = tc0_table[index_a][bS[3*bsi]] + 1;
186  h->h264dsp.h264_h_loop_filter_chroma_mbaff(pix, stride, alpha, beta, tc);
187  } else {
188  h->h264dsp.h264_h_loop_filter_chroma_mbaff_intra(pix, stride, alpha, beta);
189  }
190 }
191 
192 static av_always_inline void filter_mb_edgeh(uint8_t *pix, int stride,
193  const int16_t bS[4],
194  unsigned int qp, int a, int b,
195  const H264Context *h, int intra)
196 {
197  const unsigned int index_a = qp + a;
198  const int alpha = alpha_table[index_a];
199  const int beta = beta_table[qp + b];
200  if (alpha ==0 || beta == 0) return;
201 
202  if( bS[0] < 4 || !intra ) {
203  int8_t tc[4];
204  tc[0] = tc0_table[index_a][bS[0]];
205  tc[1] = tc0_table[index_a][bS[1]];
206  tc[2] = tc0_table[index_a][bS[2]];
207  tc[3] = tc0_table[index_a][bS[3]];
208  h->h264dsp.h264_v_loop_filter_luma(pix, stride, alpha, beta, tc);
209  } else {
210  h->h264dsp.h264_v_loop_filter_luma_intra(pix, stride, alpha, beta);
211  }
212 }
213 
214 static av_always_inline void filter_mb_edgech(uint8_t *pix, int stride,
215  const int16_t bS[4],
216  unsigned int qp, int a, int b,
217  const H264Context *h, int intra)
218 {
219  const unsigned int index_a = qp + a;
220  const int alpha = alpha_table[index_a];
221  const int beta = beta_table[qp + b];
222  if (alpha ==0 || beta == 0) return;
223 
224  if( bS[0] < 4 || !intra ) {
225  int8_t tc[4];
226  tc[0] = tc0_table[index_a][bS[0]]+1;
227  tc[1] = tc0_table[index_a][bS[1]]+1;
228  tc[2] = tc0_table[index_a][bS[2]]+1;
229  tc[3] = tc0_table[index_a][bS[3]]+1;
230  h->h264dsp.h264_v_loop_filter_chroma(pix, stride, alpha, beta, tc);
231  } else {
232  h->h264dsp.h264_v_loop_filter_chroma_intra(pix, stride, alpha, beta);
233  }
234 }
235 
236 static av_always_inline void h264_filter_mb_fast_internal(const H264Context *h,
237  H264SliceContext *sl,
238  int mb_x, int mb_y,
239  uint8_t *img_y,
240  uint8_t *img_cb,
241  uint8_t *img_cr,
242  unsigned int linesize,
243  unsigned int uvlinesize,
244  int pixel_shift)
245 {
246  int chroma = CHROMA(h) && !(CONFIG_GRAY && (h->flags & AV_CODEC_FLAG_GRAY));
247  int chroma444 = CHROMA444(h);
248  int chroma422 = CHROMA422(h);
249 
250  int mb_xy = sl->mb_xy;
251  int left_type = sl->left_type[LTOP];
252  int top_type = sl->top_type;
253 
254  int qp_bd_offset = 6 * (h->ps.sps->bit_depth_luma - 8);
255  int a = 52 + sl->slice_alpha_c0_offset - qp_bd_offset;
256  int b = 52 + sl->slice_beta_offset - qp_bd_offset;
257 
258  int mb_type = h->cur_pic.mb_type[mb_xy];
259  int qp = h->cur_pic.qscale_table[mb_xy];
260  int qp0 = h->cur_pic.qscale_table[mb_xy - 1];
261  int qp1 = h->cur_pic.qscale_table[sl->top_mb_xy];
262  int qpc = get_chroma_qp(h->ps.pps, 0, qp);
263  int qpc0 = get_chroma_qp(h->ps.pps, 0, qp0);
264  int qpc1 = get_chroma_qp(h->ps.pps, 0, qp1);
265  qp0 = (qp + qp0 + 1) >> 1;
266  qp1 = (qp + qp1 + 1) >> 1;
267  qpc0 = (qpc + qpc0 + 1) >> 1;
268  qpc1 = (qpc + qpc1 + 1) >> 1;
269 
270  if( IS_INTRA(mb_type) ) {
271  static const int16_t bS4[4] = {4,4,4,4};
272  static const int16_t bS3[4] = {3,3,3,3};
273  const int16_t *bSH = FIELD_PICTURE(h) ? bS3 : bS4;
274  if(left_type)
275  filter_mb_edgev( &img_y[4*0<<pixel_shift], linesize, bS4, qp0, a, b, h, 1);
276  if( IS_8x8DCT(mb_type) ) {
277  filter_mb_edgev( &img_y[4*2<<pixel_shift], linesize, bS3, qp, a, b, h, 0);
278  if(top_type){
279  filter_mb_edgeh( &img_y[4*0*linesize], linesize, bSH, qp1, a, b, h, 1);
280  }
281  filter_mb_edgeh( &img_y[4*2*linesize], linesize, bS3, qp, a, b, h, 0);
282  } else {
283  filter_mb_edgev( &img_y[4*1<<pixel_shift], linesize, bS3, qp, a, b, h, 0);
284  filter_mb_edgev( &img_y[4*2<<pixel_shift], linesize, bS3, qp, a, b, h, 0);
285  filter_mb_edgev( &img_y[4*3<<pixel_shift], linesize, bS3, qp, a, b, h, 0);
286  if(top_type){
287  filter_mb_edgeh( &img_y[4*0*linesize], linesize, bSH, qp1, a, b, h, 1);
288  }
289  filter_mb_edgeh( &img_y[4*1*linesize], linesize, bS3, qp, a, b, h, 0);
290  filter_mb_edgeh( &img_y[4*2*linesize], linesize, bS3, qp, a, b, h, 0);
291  filter_mb_edgeh( &img_y[4*3*linesize], linesize, bS3, qp, a, b, h, 0);
292  }
293  if(chroma){
294  if(chroma444){
295  if(left_type){
296  filter_mb_edgev( &img_cb[4*0<<pixel_shift], linesize, bS4, qpc0, a, b, h, 1);
297  filter_mb_edgev( &img_cr[4*0<<pixel_shift], linesize, bS4, qpc0, a, b, h, 1);
298  }
299  if( IS_8x8DCT(mb_type) ) {
300  filter_mb_edgev( &img_cb[4*2<<pixel_shift], linesize, bS3, qpc, a, b, h, 0);
301  filter_mb_edgev( &img_cr[4*2<<pixel_shift], linesize, bS3, qpc, a, b, h, 0);
302  if(top_type){
303  filter_mb_edgeh( &img_cb[4*0*linesize], linesize, bSH, qpc1, a, b, h, 1 );
304  filter_mb_edgeh( &img_cr[4*0*linesize], linesize, bSH, qpc1, a, b, h, 1 );
305  }
306  filter_mb_edgeh( &img_cb[4*2*linesize], linesize, bS3, qpc, a, b, h, 0);
307  filter_mb_edgeh( &img_cr[4*2*linesize], linesize, bS3, qpc, a, b, h, 0);
308  } else {
309  filter_mb_edgev( &img_cb[4*1<<pixel_shift], linesize, bS3, qpc, a, b, h, 0);
310  filter_mb_edgev( &img_cr[4*1<<pixel_shift], linesize, bS3, qpc, a, b, h, 0);
311  filter_mb_edgev( &img_cb[4*2<<pixel_shift], linesize, bS3, qpc, a, b, h, 0);
312  filter_mb_edgev( &img_cr[4*2<<pixel_shift], linesize, bS3, qpc, a, b, h, 0);
313  filter_mb_edgev( &img_cb[4*3<<pixel_shift], linesize, bS3, qpc, a, b, h, 0);
314  filter_mb_edgev( &img_cr[4*3<<pixel_shift], linesize, bS3, qpc, a, b, h, 0);
315  if(top_type){
316  filter_mb_edgeh( &img_cb[4*0*linesize], linesize, bSH, qpc1, a, b, h, 1);
317  filter_mb_edgeh( &img_cr[4*0*linesize], linesize, bSH, qpc1, a, b, h, 1);
318  }
319  filter_mb_edgeh( &img_cb[4*1*linesize], linesize, bS3, qpc, a, b, h, 0);
320  filter_mb_edgeh( &img_cr[4*1*linesize], linesize, bS3, qpc, a, b, h, 0);
321  filter_mb_edgeh( &img_cb[4*2*linesize], linesize, bS3, qpc, a, b, h, 0);
322  filter_mb_edgeh( &img_cr[4*2*linesize], linesize, bS3, qpc, a, b, h, 0);
323  filter_mb_edgeh( &img_cb[4*3*linesize], linesize, bS3, qpc, a, b, h, 0);
324  filter_mb_edgeh( &img_cr[4*3*linesize], linesize, bS3, qpc, a, b, h, 0);
325  }
326  }else if(chroma422){
327  if(left_type){
328  filter_mb_edgecv(&img_cb[2*0<<pixel_shift], uvlinesize, bS4, qpc0, a, b, h, 1);
329  filter_mb_edgecv(&img_cr[2*0<<pixel_shift], uvlinesize, bS4, qpc0, a, b, h, 1);
330  }
331  filter_mb_edgecv(&img_cb[2*2<<pixel_shift], uvlinesize, bS3, qpc, a, b, h, 0);
332  filter_mb_edgecv(&img_cr[2*2<<pixel_shift], uvlinesize, bS3, qpc, a, b, h, 0);
333  if(top_type){
334  filter_mb_edgech(&img_cb[4*0*uvlinesize], uvlinesize, bSH, qpc1, a, b, h, 1);
335  filter_mb_edgech(&img_cr[4*0*uvlinesize], uvlinesize, bSH, qpc1, a, b, h, 1);
336  }
337  filter_mb_edgech(&img_cb[4*1*uvlinesize], uvlinesize, bS3, qpc, a, b, h, 0);
338  filter_mb_edgech(&img_cr[4*1*uvlinesize], uvlinesize, bS3, qpc, a, b, h, 0);
339  filter_mb_edgech(&img_cb[4*2*uvlinesize], uvlinesize, bS3, qpc, a, b, h, 0);
340  filter_mb_edgech(&img_cr[4*2*uvlinesize], uvlinesize, bS3, qpc, a, b, h, 0);
341  filter_mb_edgech(&img_cb[4*3*uvlinesize], uvlinesize, bS3, qpc, a, b, h, 0);
342  filter_mb_edgech(&img_cr[4*3*uvlinesize], uvlinesize, bS3, qpc, a, b, h, 0);
343  }else{
344  if(left_type){
345  filter_mb_edgecv( &img_cb[2*0<<pixel_shift], uvlinesize, bS4, qpc0, a, b, h, 1);
346  filter_mb_edgecv( &img_cr[2*0<<pixel_shift], uvlinesize, bS4, qpc0, a, b, h, 1);
347  }
348  filter_mb_edgecv( &img_cb[2*2<<pixel_shift], uvlinesize, bS3, qpc, a, b, h, 0);
349  filter_mb_edgecv( &img_cr[2*2<<pixel_shift], uvlinesize, bS3, qpc, a, b, h, 0);
350  if(top_type){
351  filter_mb_edgech( &img_cb[2*0*uvlinesize], uvlinesize, bSH, qpc1, a, b, h, 1);
352  filter_mb_edgech( &img_cr[2*0*uvlinesize], uvlinesize, bSH, qpc1, a, b, h, 1);
353  }
354  filter_mb_edgech( &img_cb[2*2*uvlinesize], uvlinesize, bS3, qpc, a, b, h, 0);
355  filter_mb_edgech( &img_cr[2*2*uvlinesize], uvlinesize, bS3, qpc, a, b, h, 0);
356  }
357  }
358  return;
359  } else {
360  LOCAL_ALIGNED(8, int16_t, bS, [2], [4][4]);
361  int edges;
362  if( IS_8x8DCT(mb_type) && (sl->cbp&7) == 7 && !chroma444 ) {
363  edges = 4;
364  AV_WN64A(bS[0][0], 0x0002000200020002ULL);
365  AV_WN64A(bS[0][2], 0x0002000200020002ULL);
366  AV_WN64A(bS[1][0], 0x0002000200020002ULL);
367  AV_WN64A(bS[1][2], 0x0002000200020002ULL);
368  } else {
369  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;
370  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;
371  int step = 1+(mb_type>>24); //IS_8x8DCT(mb_type) ? 2 : 1;
372  edges = 4 - 3*((mb_type>>3) & !(sl->cbp & 15)); //(mb_type & MB_TYPE_16x16) && !(h->cbp & 15) ? 1 : 4;
373  h->h264dsp.h264_loop_filter_strength(bS, sl->non_zero_count_cache, sl->ref_cache, sl->mv_cache,
374  sl->list_count==2, edges, step, mask_edge0, mask_edge1, FIELD_PICTURE(h));
375  }
376  if( IS_INTRA(left_type) )
377  AV_WN64A(bS[0][0], 0x0004000400040004ULL);
378  if( IS_INTRA(top_type) )
379  AV_WN64A(bS[1][0], FIELD_PICTURE(h) ? 0x0003000300030003ULL : 0x0004000400040004ULL);
380 
381 #define FILTER(hv,dir,edge,intra)\
382  if(AV_RN64A(bS[dir][edge])) { \
383  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 );\
384  if(chroma){\
385  if(chroma444){\
386  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 );\
387  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 );\
388  } else if(!(edge&1)) {\
389  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 );\
390  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 );\
391  }\
392  }\
393  }
394  if(left_type)
395  FILTER(v,0,0,1);
396  if( edges == 1 ) {
397  if(top_type)
398  FILTER(h,1,0,1);
399  } else if( IS_8x8DCT(mb_type) ) {
400  FILTER(v,0,2,0);
401  if(top_type)
402  FILTER(h,1,0,1);
403  FILTER(h,1,2,0);
404  } else {
405  FILTER(v,0,1,0);
406  FILTER(v,0,2,0);
407  FILTER(v,0,3,0);
408  if(top_type)
409  FILTER(h,1,0,1);
410  FILTER(h,1,1,0);
411  FILTER(h,1,2,0);
412  FILTER(h,1,3,0);
413  }
414 #undef FILTER
415  }
416 }
417 
418 void ff_h264_filter_mb_fast(const H264Context *h, H264SliceContext *sl,
419  int mb_x, int mb_y, uint8_t *img_y,
420  uint8_t *img_cb, uint8_t *img_cr,
421  unsigned int linesize, unsigned int uvlinesize)
422 {
423  av_assert2(!FRAME_MBAFF(h));
424  if(!h->h264dsp.h264_loop_filter_strength || h->ps.pps->chroma_qp_diff) {
425  ff_h264_filter_mb(h, sl, mb_x, mb_y, img_y, img_cb, img_cr, linesize, uvlinesize);
426  return;
427  }
428 
429 #if CONFIG_SMALL
430  h264_filter_mb_fast_internal(h, sl, mb_x, mb_y, img_y, img_cb, img_cr, linesize, uvlinesize, h->pixel_shift);
431 #else
432  if(h->pixel_shift){
433  h264_filter_mb_fast_internal(h, sl, mb_x, mb_y, img_y, img_cb, img_cr, linesize, uvlinesize, 1);
434  }else{
435  h264_filter_mb_fast_internal(h, sl, mb_x, mb_y, img_y, img_cb, img_cr, linesize, uvlinesize, 0);
436  }
437 #endif
438 }
439 
440 static int check_mv(H264SliceContext *sl, long b_idx, long bn_idx, int mvy_limit)
441 {
442  int v;
443 
444  v = sl->ref_cache[0][b_idx] != sl->ref_cache[0][bn_idx];
445  if (!v && sl->ref_cache[0][b_idx] != -1)
446  v = sl->mv_cache[0][b_idx][0] - sl->mv_cache[0][bn_idx][0] + 3 >= 7U |
447  FFABS(sl->mv_cache[0][b_idx][1] - sl->mv_cache[0][bn_idx][1]) >= mvy_limit;
448 
449  if (sl->list_count == 2) {
450  if(!v)
451  v = sl->ref_cache[1][b_idx] != sl->ref_cache[1][bn_idx] |
452  sl->mv_cache[1][b_idx][0] - sl->mv_cache[1][bn_idx][0] + 3 >= 7U |
453  FFABS(sl->mv_cache[1][b_idx][1] - sl->mv_cache[1][bn_idx][1]) >= mvy_limit;
454 
455  if(v){
456  if (sl->ref_cache[0][b_idx] != sl->ref_cache[1][bn_idx] |
457  sl->ref_cache[1][b_idx] != sl->ref_cache[0][bn_idx])
458  return 1;
459  return
460  sl->mv_cache[0][b_idx][0] - sl->mv_cache[1][bn_idx][0] + 3 >= 7U |
461  FFABS(sl->mv_cache[0][b_idx][1] - sl->mv_cache[1][bn_idx][1]) >= mvy_limit |
462  sl->mv_cache[1][b_idx][0] - sl->mv_cache[0][bn_idx][0] + 3 >= 7U |
463  FFABS(sl->mv_cache[1][b_idx][1] - sl->mv_cache[0][bn_idx][1]) >= mvy_limit;
464  }
465  }
466 
467  return v;
468 }
469 
470 static av_always_inline void filter_mb_dir(const H264Context *h, H264SliceContext *sl,
471  int mb_x, int mb_y,
472  uint8_t *img_y, uint8_t *img_cb, uint8_t *img_cr,
473  unsigned int linesize, unsigned int uvlinesize,
474  int mb_xy, int mb_type, int mvy_limit,
475  int first_vertical_edge_done, int a, int b,
476  int chroma, int dir)
477 {
478  int edge;
479  int chroma_qp_avg[2];
480  int chroma444 = CHROMA444(h);
481  int chroma422 = CHROMA422(h);
482  const int mbm_xy = dir == 0 ? mb_xy -1 : sl->top_mb_xy;
483  const int mbm_type = dir == 0 ? sl->left_type[LTOP] : sl->top_type;
484 
485  // how often to recheck mv-based bS when iterating between edges
486  static const uint8_t mask_edge_tab[2][8]={{0,3,3,3,1,1,1,1},
487  {0,3,1,1,3,3,3,3}};
488  const int mask_edge = mask_edge_tab[dir][(mb_type>>3)&7];
489  const int edges = mask_edge== 3 && !(sl->cbp&15) ? 1 : 4;
490 
491  // how often to recheck mv-based bS when iterating along each edge
492  const int mask_par0 = mb_type & (MB_TYPE_16x16 | (MB_TYPE_8x16 >> dir));
493 
494  if(mbm_type && !first_vertical_edge_done){
495 
496  if (FRAME_MBAFF(h) && (dir == 1) && ((mb_y&1) == 0)
497  && IS_INTERLACED(mbm_type&~mb_type)
498  ) {
499  // This is a special case in the norm where the filtering must
500  // be done twice (one each of the field) even if we are in a
501  // frame macroblock.
502  //
503  unsigned int tmp_linesize = 2 * linesize;
504  unsigned int tmp_uvlinesize = 2 * uvlinesize;
505  int mbn_xy = mb_xy - 2 * h->mb_stride;
506  int j;
507 
508  for(j=0; j<2; j++, mbn_xy += h->mb_stride){
509  LOCAL_ALIGNED(8, int16_t, bS, [4]);
510  int qp;
511  if (IS_INTRA(mb_type | h->cur_pic.mb_type[mbn_xy])) {
512  AV_WN64A(bS, 0x0003000300030003ULL);
513  } else {
514  if (!CABAC(h) && IS_8x8DCT(h->cur_pic.mb_type[mbn_xy])) {
515  bS[0]= 1+((h->cbp_table[mbn_xy] & 0x4000) || sl->non_zero_count_cache[scan8[0]+0]);
516  bS[1]= 1+((h->cbp_table[mbn_xy] & 0x4000) || sl->non_zero_count_cache[scan8[0]+1]);
517  bS[2]= 1+((h->cbp_table[mbn_xy] & 0x8000) || sl->non_zero_count_cache[scan8[0]+2]);
518  bS[3]= 1+((h->cbp_table[mbn_xy] & 0x8000) || sl->non_zero_count_cache[scan8[0]+3]);
519  }else{
520  const uint8_t *mbn_nnz = h->non_zero_count[mbn_xy] + 3*4;
521  int i;
522  for( i = 0; i < 4; i++ ) {
523  bS[i] = 1 + !!(sl->non_zero_count_cache[scan8[0]+i] | mbn_nnz[i]);
524  }
525  }
526  }
527  // Do not use s->qscale as luma quantizer because it has not the same
528  // value in IPCM macroblocks.
529  qp = (h->cur_pic.qscale_table[mb_xy] + h->cur_pic.qscale_table[mbn_xy] + 1) >> 1;
530  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);
531  { int i; for (i = 0; i < 4; i++) ff_tlog(h->avctx, " bS[%d]:%d", i, bS[i]); ff_tlog(h->avctx, "\n"); }
532  filter_mb_edgeh( &img_y[j*linesize], tmp_linesize, bS, qp, a, b, h, 0 );
533  chroma_qp_avg[0] = (sl->chroma_qp[0] + get_chroma_qp(h->ps.pps, 0, h->cur_pic.qscale_table[mbn_xy]) + 1) >> 1;
534  chroma_qp_avg[1] = (sl->chroma_qp[1] + get_chroma_qp(h->ps.pps, 1, h->cur_pic.qscale_table[mbn_xy]) + 1) >> 1;
535  if (chroma) {
536  if (chroma444) {
537  filter_mb_edgeh (&img_cb[j*uvlinesize], tmp_uvlinesize, bS, chroma_qp_avg[0], a, b, h, 0);
538  filter_mb_edgeh (&img_cr[j*uvlinesize], tmp_uvlinesize, bS, chroma_qp_avg[1], a, b, h, 0);
539  } else {
540  filter_mb_edgech(&img_cb[j*uvlinesize], tmp_uvlinesize, bS, chroma_qp_avg[0], a, b, h, 0);
541  filter_mb_edgech(&img_cr[j*uvlinesize], tmp_uvlinesize, bS, chroma_qp_avg[1], a, b, h, 0);
542  }
543  }
544  }
545  }else{
546  LOCAL_ALIGNED(8, int16_t, bS, [4]);
547  int qp;
548 
549  if( IS_INTRA(mb_type|mbm_type)) {
550  AV_WN64A(bS, 0x0003000300030003ULL);
551  if ( (!IS_INTERLACED(mb_type|mbm_type))
552  || ((FRAME_MBAFF(h) || (h->picture_structure != PICT_FRAME)) && (dir == 0))
553  )
554  AV_WN64A(bS, 0x0004000400040004ULL);
555  } else {
556  int i;
557  int mv_done;
558 
559  if( dir && FRAME_MBAFF(h) && IS_INTERLACED(mb_type ^ mbm_type)) {
560  AV_WN64A(bS, 0x0001000100010001ULL);
561  mv_done = 1;
562  }
563  else if( mask_par0 && ((mbm_type & (MB_TYPE_16x16 | (MB_TYPE_8x16 >> dir)))) ) {
564  int b_idx= 8 + 4;
565  int bn_idx= b_idx - (dir ? 8:1);
566 
567  bS[0] = bS[1] = bS[2] = bS[3] = check_mv(sl, 8 + 4, bn_idx, mvy_limit);
568  mv_done = 1;
569  }
570  else
571  mv_done = 0;
572 
573  for( i = 0; i < 4; i++ ) {
574  int x = dir == 0 ? 0 : i;
575  int y = dir == 0 ? i : 0;
576  int b_idx= 8 + 4 + x + 8*y;
577  int bn_idx= b_idx - (dir ? 8:1);
578 
579  if (sl->non_zero_count_cache[b_idx] |
580  sl->non_zero_count_cache[bn_idx]) {
581  bS[i] = 2;
582  }
583  else if(!mv_done)
584  {
585  bS[i] = check_mv(sl, b_idx, bn_idx, mvy_limit);
586  }
587  }
588  }
589 
590  /* Filter edge */
591  // Do not use s->qscale as luma quantizer because it has not the same
592  // value in IPCM macroblocks.
593  if(bS[0]+bS[1]+bS[2]+bS[3]){
594  qp = (h->cur_pic.qscale_table[mb_xy] + h->cur_pic.qscale_table[mbm_xy] + 1) >> 1;
595  //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]);
596  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);
597  //{ int i; for (i = 0; i < 4; i++) ff_tlog(h->avctx, " bS[%d]:%d", i, bS[i]); ff_tlog(h->avctx, "\n"); }
598  chroma_qp_avg[0] = (sl->chroma_qp[0] + get_chroma_qp(h->ps.pps, 0, h->cur_pic.qscale_table[mbm_xy]) + 1) >> 1;
599  chroma_qp_avg[1] = (sl->chroma_qp[1] + get_chroma_qp(h->ps.pps, 1, h->cur_pic.qscale_table[mbm_xy]) + 1) >> 1;
600  if( dir == 0 ) {
601  filter_mb_edgev( &img_y[0], linesize, bS, qp, a, b, h, 1 );
602  if (chroma) {
603  if (chroma444) {
604  filter_mb_edgev ( &img_cb[0], uvlinesize, bS, chroma_qp_avg[0], a, b, h, 1);
605  filter_mb_edgev ( &img_cr[0], uvlinesize, bS, chroma_qp_avg[1], a, b, h, 1);
606  } else {
607  filter_mb_edgecv( &img_cb[0], uvlinesize, bS, chroma_qp_avg[0], a, b, h, 1);
608  filter_mb_edgecv( &img_cr[0], uvlinesize, bS, chroma_qp_avg[1], a, b, h, 1);
609  }
610  }
611  } else {
612  filter_mb_edgeh( &img_y[0], linesize, bS, qp, a, b, h, 1 );
613  if (chroma) {
614  if (chroma444) {
615  filter_mb_edgeh ( &img_cb[0], uvlinesize, bS, chroma_qp_avg[0], a, b, h, 1);
616  filter_mb_edgeh ( &img_cr[0], uvlinesize, bS, chroma_qp_avg[1], a, b, h, 1);
617  } else {
618  filter_mb_edgech( &img_cb[0], uvlinesize, bS, chroma_qp_avg[0], a, b, h, 1);
619  filter_mb_edgech( &img_cr[0], uvlinesize, bS, chroma_qp_avg[1], a, b, h, 1);
620  }
621  }
622  }
623  }
624  }
625  }
626 
627  /* Calculate bS */
628  for( edge = 1; edge < edges; edge++ ) {
629  LOCAL_ALIGNED(8, int16_t, bS, [4]);
630  int qp;
631  const int deblock_edge = !IS_8x8DCT(mb_type & (edge<<24)); // (edge&1) && IS_8x8DCT(mb_type)
632 
633  if (!deblock_edge && (!chroma422 || dir == 0))
634  continue;
635 
636  if( IS_INTRA(mb_type)) {
637  AV_WN64A(bS, 0x0003000300030003ULL);
638  } else {
639  int i;
640  int mv_done;
641 
642  if( edge & mask_edge ) {
643  AV_ZERO64(bS);
644  mv_done = 1;
645  }
646  else if( mask_par0 ) {
647  int b_idx= 8 + 4 + edge * (dir ? 8:1);
648  int bn_idx= b_idx - (dir ? 8:1);
649 
650  bS[0] = bS[1] = bS[2] = bS[3] = check_mv(sl, b_idx, bn_idx, mvy_limit);
651  mv_done = 1;
652  }
653  else
654  mv_done = 0;
655 
656  for( i = 0; i < 4; i++ ) {
657  int x = dir == 0 ? edge : i;
658  int y = dir == 0 ? i : edge;
659  int b_idx= 8 + 4 + x + 8*y;
660  int bn_idx= b_idx - (dir ? 8:1);
661 
662  if (sl->non_zero_count_cache[b_idx] |
663  sl->non_zero_count_cache[bn_idx]) {
664  bS[i] = 2;
665  }
666  else if(!mv_done)
667  {
668  bS[i] = check_mv(sl, b_idx, bn_idx, mvy_limit);
669  }
670  }
671 
672  if(bS[0]+bS[1]+bS[2]+bS[3] == 0)
673  continue;
674  }
675 
676  /* Filter edge */
677  // Do not use s->qscale as luma quantizer because it has not the same
678  // value in IPCM macroblocks.
679  qp = h->cur_pic.qscale_table[mb_xy];
680  //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]);
681  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);
682  //{ int i; for (i = 0; i < 4; i++) ff_tlog(h->avctx, " bS[%d]:%d", i, bS[i]); ff_tlog(h->avctx, "\n"); }
683  if( dir == 0 ) {
684  filter_mb_edgev( &img_y[4*edge << h->pixel_shift], linesize, bS, qp, a, b, h, 0 );
685  if (chroma) {
686  if (chroma444) {
687  filter_mb_edgev ( &img_cb[4*edge << h->pixel_shift], uvlinesize, bS, sl->chroma_qp[0], a, b, h, 0);
688  filter_mb_edgev ( &img_cr[4*edge << h->pixel_shift], uvlinesize, bS, sl->chroma_qp[1], a, b, h, 0);
689  } else if( (edge&1) == 0 ) {
690  filter_mb_edgecv( &img_cb[2*edge << h->pixel_shift], uvlinesize, bS, sl->chroma_qp[0], a, b, h, 0);
691  filter_mb_edgecv( &img_cr[2*edge << h->pixel_shift], uvlinesize, bS, sl->chroma_qp[1], a, b, h, 0);
692  }
693  }
694  } else {
695  if (chroma422) {
696  if (deblock_edge)
697  filter_mb_edgeh(&img_y[4*edge*linesize], linesize, bS, qp, a, b, h, 0);
698  if (chroma) {
699  filter_mb_edgech(&img_cb[4*edge*uvlinesize], uvlinesize, bS, sl->chroma_qp[0], a, b, h, 0);
700  filter_mb_edgech(&img_cr[4*edge*uvlinesize], uvlinesize, bS, sl->chroma_qp[1], a, b, h, 0);
701  }
702  } else {
703  filter_mb_edgeh(&img_y[4*edge*linesize], linesize, bS, qp, a, b, h, 0);
704  if (chroma) {
705  if (chroma444) {
706  filter_mb_edgeh (&img_cb[4*edge*uvlinesize], uvlinesize, bS, sl->chroma_qp[0], a, b, h, 0);
707  filter_mb_edgeh (&img_cr[4*edge*uvlinesize], uvlinesize, bS, sl->chroma_qp[1], a, b, h, 0);
708  } else if ((edge&1) == 0) {
709  filter_mb_edgech(&img_cb[2*edge*uvlinesize], uvlinesize, bS, sl->chroma_qp[0], a, b, h, 0);
710  filter_mb_edgech(&img_cr[2*edge*uvlinesize], uvlinesize, bS, sl->chroma_qp[1], a, b, h, 0);
711  }
712  }
713  }
714  }
715  }
716 }
717 
718 void ff_h264_filter_mb(const H264Context *h, H264SliceContext *sl,
719  int mb_x, int mb_y,
720  uint8_t *img_y, uint8_t *img_cb, uint8_t *img_cr,
721  unsigned int linesize, unsigned int uvlinesize)
722 {
723  const int mb_xy= mb_x + mb_y*h->mb_stride;
724  const int mb_type = h->cur_pic.mb_type[mb_xy];
725  const int mvy_limit = IS_INTERLACED(mb_type) ? 2 : 4;
726  int first_vertical_edge_done = 0;
727  int chroma = CHROMA(h) && !(CONFIG_GRAY && (h->flags & AV_CODEC_FLAG_GRAY));
728  int qp_bd_offset = 6 * (h->ps.sps->bit_depth_luma - 8);
729  int a = 52 + sl->slice_alpha_c0_offset - qp_bd_offset;
730  int b = 52 + sl->slice_beta_offset - qp_bd_offset;
731 
732  if (FRAME_MBAFF(h)
733  // and current and left pair do not have the same interlaced type
734  && IS_INTERLACED(mb_type ^ sl->left_type[LTOP])
735  // and left mb is in available to us
736  && sl->left_type[LTOP]) {
737  /* First vertical edge is different in MBAFF frames
738  * There are 8 different bS to compute and 2 different Qp
739  */
740  LOCAL_ALIGNED(8, int16_t, bS, [8]);
741  int qp[2];
742  int bqp[2];
743  int rqp[2];
744  int mb_qp, mbn0_qp, mbn1_qp;
745  int i;
746  first_vertical_edge_done = 1;
747 
748  if( IS_INTRA(mb_type) ) {
749  AV_WN64A(&bS[0], 0x0004000400040004ULL);
750  AV_WN64A(&bS[4], 0x0004000400040004ULL);
751  } else {
752  static const uint8_t offset[2][2][8]={
753  {
754  {3+4*0, 3+4*0, 3+4*0, 3+4*0, 3+4*1, 3+4*1, 3+4*1, 3+4*1},
755  {3+4*2, 3+4*2, 3+4*2, 3+4*2, 3+4*3, 3+4*3, 3+4*3, 3+4*3},
756  },{
757  {3+4*0, 3+4*1, 3+4*2, 3+4*3, 3+4*0, 3+4*1, 3+4*2, 3+4*3},
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  }
760  };
761  const uint8_t *off= offset[MB_FIELD(sl)][mb_y&1];
762  for( i = 0; i < 8; i++ ) {
763  int j= MB_FIELD(sl) ? i>>2 : i&1;
764  int mbn_xy = sl->left_mb_xy[LEFT(j)];
765  int mbn_type = sl->left_type[LEFT(j)];
766 
767  if( IS_INTRA( mbn_type ) )
768  bS[i] = 4;
769  else{
770  bS[i] = 1 + !!(sl->non_zero_count_cache[12+8*(i>>1)] |
771  ((!h->ps.pps->cabac && IS_8x8DCT(mbn_type)) ?
772  (h->cbp_table[mbn_xy] & (((MB_FIELD(sl) ? (i&2) : (mb_y&1)) ? 8 : 2) << 12))
773  :
774  h->non_zero_count[mbn_xy][ off[i] ]));
775  }
776  }
777  }
778 
779  mb_qp = h->cur_pic.qscale_table[mb_xy];
780  mbn0_qp = h->cur_pic.qscale_table[sl->left_mb_xy[0]];
781  mbn1_qp = h->cur_pic.qscale_table[sl->left_mb_xy[1]];
782  qp[0] = ( mb_qp + mbn0_qp + 1 ) >> 1;
783  bqp[0] = (get_chroma_qp(h->ps.pps, 0, mb_qp) +
784  get_chroma_qp(h->ps.pps, 0, mbn0_qp) + 1) >> 1;
785  rqp[0] = (get_chroma_qp(h->ps.pps, 1, mb_qp) +
786  get_chroma_qp(h->ps.pps, 1, mbn0_qp) + 1) >> 1;
787  qp[1] = ( mb_qp + mbn1_qp + 1 ) >> 1;
788  bqp[1] = (get_chroma_qp(h->ps.pps, 0, mb_qp) +
789  get_chroma_qp(h->ps.pps, 0, mbn1_qp) + 1 ) >> 1;
790  rqp[1] = (get_chroma_qp(h->ps.pps, 1, mb_qp) +
791  get_chroma_qp(h->ps.pps, 1, mbn1_qp) + 1 ) >> 1;
792 
793  /* Filter edge */
794  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);
795  { int i; for (i = 0; i < 8; i++) ff_tlog(h->avctx, " bS[%d]:%d", i, bS[i]); ff_tlog(h->avctx, "\n"); }
796  if (MB_FIELD(sl)) {
797  filter_mb_mbaff_edgev ( h, img_y , linesize, bS , 1, qp [0], a, b, 1 );
798  filter_mb_mbaff_edgev ( h, img_y + 8* linesize, linesize, bS+4, 1, qp [1], a, b, 1 );
799  if (chroma){
800  if (CHROMA444(h)) {
801  filter_mb_mbaff_edgev ( h, img_cb, uvlinesize, bS , 1, bqp[0], a, b, 1 );
802  filter_mb_mbaff_edgev ( h, img_cb + 8*uvlinesize, uvlinesize, bS+4, 1, bqp[1], a, b, 1 );
803  filter_mb_mbaff_edgev ( h, img_cr, uvlinesize, bS , 1, rqp[0], a, b, 1 );
804  filter_mb_mbaff_edgev ( h, img_cr + 8*uvlinesize, uvlinesize, bS+4, 1, rqp[1], a, b, 1 );
805  } else if (CHROMA422(h)) {
806  filter_mb_mbaff_edgecv(h, img_cb, uvlinesize, bS , 1, bqp[0], a, b, 1);
807  filter_mb_mbaff_edgecv(h, img_cb + 8*uvlinesize, uvlinesize, bS+4, 1, bqp[1], a, b, 1);
808  filter_mb_mbaff_edgecv(h, img_cr, uvlinesize, bS , 1, rqp[0], a, b, 1);
809  filter_mb_mbaff_edgecv(h, img_cr + 8*uvlinesize, uvlinesize, bS+4, 1, rqp[1], a, b, 1);
810  }else{
811  filter_mb_mbaff_edgecv( h, img_cb, uvlinesize, bS , 1, bqp[0], a, b, 1 );
812  filter_mb_mbaff_edgecv( h, img_cb + 4*uvlinesize, uvlinesize, bS+4, 1, bqp[1], a, b, 1 );
813  filter_mb_mbaff_edgecv( h, img_cr, uvlinesize, bS , 1, rqp[0], a, b, 1 );
814  filter_mb_mbaff_edgecv( h, img_cr + 4*uvlinesize, uvlinesize, bS+4, 1, rqp[1], a, b, 1 );
815  }
816  }
817  }else{
818  filter_mb_mbaff_edgev ( h, img_y , 2* linesize, bS , 2, qp [0], a, b, 1 );
819  filter_mb_mbaff_edgev ( h, img_y + linesize, 2* linesize, bS+1, 2, qp [1], a, b, 1 );
820  if (chroma){
821  if (CHROMA444(h)) {
822  filter_mb_mbaff_edgev ( h, img_cb, 2*uvlinesize, bS , 2, bqp[0], a, b, 1 );
823  filter_mb_mbaff_edgev ( h, img_cb + uvlinesize, 2*uvlinesize, bS+1, 2, bqp[1], a, b, 1 );
824  filter_mb_mbaff_edgev ( h, img_cr, 2*uvlinesize, bS , 2, rqp[0], a, b, 1 );
825  filter_mb_mbaff_edgev ( h, img_cr + uvlinesize, 2*uvlinesize, bS+1, 2, rqp[1], a, b, 1 );
826  }else{
827  filter_mb_mbaff_edgecv( h, img_cb, 2*uvlinesize, bS , 2, bqp[0], a, b, 1 );
828  filter_mb_mbaff_edgecv( h, img_cb + uvlinesize, 2*uvlinesize, bS+1, 2, bqp[1], a, b, 1 );
829  filter_mb_mbaff_edgecv( h, img_cr, 2*uvlinesize, bS , 2, rqp[0], a, b, 1 );
830  filter_mb_mbaff_edgecv( h, img_cr + uvlinesize, 2*uvlinesize, bS+1, 2, rqp[1], a, b, 1 );
831  }
832  }
833  }
834  }
835 
836 #if CONFIG_SMALL
837  {
838  int dir;
839  for (dir = 0; dir < 2; dir++)
840  filter_mb_dir(h, sl, mb_x, mb_y, img_y, img_cb, img_cr, linesize,
841  uvlinesize, mb_xy, mb_type, mvy_limit,
842  dir ? 0 : first_vertical_edge_done, a, b,
843  chroma, dir);
844  }
845 #else
846  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);
847  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);
848 #endif
849 }
ff_tlog
#define ff_tlog(ctx,...)
Definition: internal.h:75
alpha
static float alpha(float a)
Definition: af_superequalizer.c:109
chroma
static av_always_inline void chroma(WaveformContext *s, AVFrame *in, AVFrame *out, int component, int intensity, int offset_y, int offset_x, int column, int mirror)
Definition: vf_waveform.c:1386
check_mv
static int check_mv(H264SliceContext *sl, long b_idx, long bn_idx, int mvy_limit)
Definition: h264_loopfilter.c:440
h
h
Definition: vp9dsp_template.c:2038
H264SliceContext::mv_cache
int16_t mv_cache[2][5 *8][2]
Motion vector cache.
Definition: h264dec.h:299
H264SliceContext::left_mb_xy
int left_mb_xy[LEFT_MBS]
Definition: h264dec.h:211
get_chroma_qp
static av_always_inline int get_chroma_qp(const PPS *pps, int t, int qscale)
Get the chroma qp.
Definition: h264dec.h:681
H264DSPContext::h264_v_loop_filter_luma_intra
void(* h264_v_loop_filter_luma_intra)(uint8_t *pix, int stride, int alpha, int beta)
Definition: h264dsp.h:55
H264Context::cbp_table
uint16_t * cbp_table
Definition: h264dec.h:413
b
const char * b
Definition: vf_curves.c:113
alpha_table
static const uint8_t alpha_table[52 *3]
Definition: h264_loopfilter.c:39
H264DSPContext::h264_h_loop_filter_luma_mbaff_intra
void(* h264_h_loop_filter_luma_mbaff_intra)(uint8_t *pix, int stride, int alpha, int beta)
Definition: h264dsp.h:59
H264Context::flags
int flags
Definition: h264dec.h:366
tc
#define tc
Definition: regdef.h:69
H264DSPContext::h264_h_loop_filter_chroma_mbaff
void(* h264_h_loop_filter_chroma_mbaff)(uint8_t *pix, int stride, int alpha, int beta, int8_t *tc0)
Definition: h264dsp.h:65
H264Context
H264Context.
Definition: h264dec.h:337
PPS::chroma_qp_diff
int chroma_qp_diff
Definition: h264_ps.h:127
H264Context::picture_structure
int picture_structure
Definition: h264dec.h:407
H264DSPContext::h264_h_loop_filter_chroma
void(* h264_h_loop_filter_chroma)(uint8_t *pix, int stride, int alpha, int beta, int8_t *tc0)
Definition: h264dsp.h:63
H264ParamSets::pps
const PPS * pps
Definition: h264_ps.h:144
uint8_t
uint8_t
Definition: audio_convert.c:194
av_assert2
#define av_assert2(cond)
assert() equivalent, that does lie in speed critical code.
Definition: avassert.h:64
H264SliceContext::slice_alpha_c0_offset
int slice_alpha_c0_offset
Definition: h264dec.h:194
H264DSPContext::h264_h_loop_filter_luma_mbaff
void(* h264_h_loop_filter_luma_mbaff)(uint8_t *pix, int stride, int alpha, int beta, int8_t *tc0)
Definition: h264dsp.h:52
PPS::cabac
int cabac
entropy_coding_mode_flag
Definition: h264_ps.h:110
MB_FIELD
#define MB_FIELD(sl)
Definition: h264dec.h:72
MB_TYPE_16x16
#define MB_TYPE_16x16
Definition: mpegutils.h:54
filter_mb_edgech
static av_always_inline void 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)
Definition: h264_loopfilter.c:214
filter_mb_dir
static av_always_inline void 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)
Definition: h264_loopfilter.c:470
ff_h264_filter_mb
void 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)
Definition: h264_loopfilter.c:718
AV_CODEC_FLAG_GRAY
#define AV_CODEC_FLAG_GRAY
Only decode/encode grayscale.
Definition: avcodec.h:861
H264DSPContext::h264_h_loop_filter_chroma_intra
void(* h264_h_loop_filter_chroma_intra)(uint8_t *pix, int stride, int alpha, int beta)
Definition: h264dsp.h:70
H264SliceContext::chroma_qp
int chroma_qp[2]
Definition: h264dec.h:188
H264DSPContext::h264_v_loop_filter_chroma
void(* h264_v_loop_filter_chroma)(uint8_t *pix, int stride, int alpha, int beta, int8_t *tc0)
Definition: h264dsp.h:61
U
#define U(x)
Definition: vp56_arith.h:37
h264_ps.h
H.264 parameter set handling.
CHROMA
Definition: vf_waveform.c:36
MB_TYPE_8x16
#define MB_TYPE_8x16
Definition: mpegutils.h:56
FIELD_PICTURE
#define FIELD_PICTURE(h)
Definition: h264dec.h:74
offset
static const uint8_t offset[127][2]
Definition: vf_spp.c:92
internal.h
common internal API header
rectangle.h
useful rectangle filling function
H264DSPContext::h264_v_loop_filter_chroma_intra
void(* h264_v_loop_filter_chroma_intra)(uint8_t *pix, int stride, int alpha, int beta)
Definition: h264dsp.h:68
filter_mb_edgeh
static av_always_inline void 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)
Definition: h264_loopfilter.c:192
H264Picture::mb_type
uint32_t * mb_type
Definition: h264dec.h:139
FFABS
#define FFABS(a)
Absolute value, Note, INT_MIN / INT64_MIN result in undefined behavior as they are not representable ...
Definition: common.h:72
h264dec.h
H.264 / AVC / MPEG-4 part10 codec.
filter_mb_edgecv
static av_always_inline void 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)
Definition: h264_loopfilter.c:124
AV_WN64A
#define AV_WN64A(p, v)
Definition: intreadwrite.h:542
filter_mb_mbaff_edgev
static av_always_inline void 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)
Definition: h264_loopfilter.c:146
H264Context::mb_stride
int mb_stride
Definition: h264dec.h:436
IS_INTERLACED
#define IS_INTERLACED(a)
Definition: mpegutils.h:83
H264Context::avctx
AVCodecContext * avctx
Definition: h264dec.h:339
avcodec.h
Libavcodec external API header.
h264_filter_mb_fast_internal
static av_always_inline void 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)
Definition: h264_loopfilter.c:236
H264DSPContext::h264_v_loop_filter_luma
void(* h264_v_loop_filter_luma)(uint8_t *pix, int stride, int alpha, int beta, int8_t *tc0)
Definition: h264dsp.h:48
H264Picture::qscale_table
int8_t * qscale_table
Definition: h264dec.h:133
scan8
static const uint8_t scan8[16 *3+3]
Definition: h264dec.h:644
CABAC
#define CABAC(h)
Definition: h264_cabac.c:28
tc0_table
static const uint8_t tc0_table[52 *3][4]
Definition: h264_loopfilter.c:71
H264SliceContext::non_zero_count_cache
uint8_t non_zero_count_cache[15 *8]
non zero coeff count cache.
Definition: h264dec.h:294
FRAME_MBAFF
#define FRAME_MBAFF(h)
Definition: h264dec.h:73
H264Context::pixel_shift
int pixel_shift
0 for 8-bit H.264, 1 for high-bit-depth H.264
Definition: h264dec.h:356
H264ParamSets::sps
const SPS * sps
Definition: h264_ps.h:145
H264DSPContext::h264_h_loop_filter_chroma_mbaff_intra
void(* h264_h_loop_filter_chroma_mbaff_intra)(uint8_t *pix, int stride, int alpha, int beta)
Definition: h264dsp.h:72
CHROMA444
#define CHROMA444(h)
Definition: h264dec.h:99
H264SliceContext::list_count
unsigned int list_count
Definition: h264dec.h:268
filter_mb_edgev
static av_always_inline void 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)
Definition: h264_loopfilter.c:102
H264SliceContext::left_type
int left_type[LEFT_MBS]
Definition: h264dec.h:216
stride
GLint GLenum GLboolean GLsizei stride
Definition: opengl_enc.c:105
AV_ZERO64
#define AV_ZERO64(d)
Definition: intreadwrite.h:618
IS_8x8DCT
#define IS_8x8DCT(a)
Definition: h264dec.h:104
internal.h
common internal api header.
H264DSPContext::h264_h_loop_filter_luma_intra
void(* h264_h_loop_filter_luma_intra)(uint8_t *pix, int stride, int alpha, int beta)
Definition: h264dsp.h:57
LOCAL_ALIGNED
#define LOCAL_ALIGNED(a, t, v,...)
Definition: internal.h:114
FILTER
#define FILTER(hv, dir, edge, intra)
H264Context::ps
H264ParamSets ps
Definition: h264dec.h:456
SPS::bit_depth_luma
int bit_depth_luma
bit_depth_luma_minus8 + 8
Definition: h264_ps.h:97
IS_INTRA
#define IS_INTRA(x, y)
LTOP
#define LTOP
Definition: h264dec.h:76
PICT_FRAME
#define PICT_FRAME
Definition: mpegutils.h:39
H264DSPContext::h264_loop_filter_strength
void(* h264_loop_filter_strength)(int16_t bS[2][4][4], uint8_t nnz[40], int8_t ref[2][40], int16_t mv[2][40][2], int bidir, int edges, int step, int mask_mv0, int mask_mv1, int field)
Definition: h264dsp.h:75
H264SliceContext::ref_cache
int8_t ref_cache[2][5 *8]
Definition: h264dec.h:300
CHROMA422
#define CHROMA422(h)
Definition: h264dec.h:98
H264Context::cur_pic
H264Picture cur_pic
Definition: h264dec.h:347
H264DSPContext::h264_h_loop_filter_luma
void(* h264_h_loop_filter_luma)(uint8_t *pix, int stride, int alpha, int beta, int8_t *tc0)
Definition: h264dsp.h:50
filter_mb_mbaff_edgecv
static av_always_inline void 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)
Definition: h264_loopfilter.c:169
H264Context::h264dsp
H264DSPContext h264dsp
Definition: h264dec.h:341
av_always_inline
#define av_always_inline
Definition: attributes.h:39
H264SliceContext::slice_beta_offset
int slice_beta_offset
Definition: h264dec.h:195
LEFT
#define LEFT
Definition: cdgraphics.c:168
H264Context::non_zero_count
uint8_t(* non_zero_count)[48]
Definition: h264dec.h:388
beta_table
static const uint8_t beta_table[52 *3]
Definition: h264_loopfilter.c:55
ff_h264_filter_mb_fast
void 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)
Definition: h264_loopfilter.c:418
a
a
Definition: h264pred_template.c:468
Generated on Sun May 13 2018 02:03:47 for FFmpeg by   doxygen 1.8.6