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 / MPEG4 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 "h264.h"
33 #include "mathops.h"
34 #include "mpegutils.h"
35 #include "rectangle.h"
36 
37 /* Deblocking filter (p153) */
38 static const uint8_t alpha_table[52*3] = {
39  0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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,
44  0, 0, 0, 0, 0, 0, 4, 4, 5, 6,
45  7, 8, 9, 10, 12, 13, 15, 17, 20, 22,
46  25, 28, 32, 36, 40, 45, 50, 56, 63, 71,
47  80, 90,101,113,127,144,162,182,203,226,
48  255,255,
49  255,255,255,255,255,255,255,255,255,255,255,255,255,
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 };
54 static const uint8_t beta_table[52*3] = {
55  0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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,
60  0, 0, 0, 0, 0, 0, 2, 2, 2, 3,
61  3, 3, 3, 4, 4, 4, 6, 6, 7, 7,
62  8, 8, 9, 9, 10, 10, 11, 11, 12, 12,
63  13, 13, 14, 14, 15, 15, 16, 16, 17, 17,
64  18, 18,
65  18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 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 };
70 static const uint8_t tc0_table[52*3][4] = {
71  {-1, 0, 0, 0 }, {-1, 0, 0, 0 }, {-1, 0, 0, 0 }, {-1, 0, 0, 0 }, {-1, 0, 0, 0 }, {-1, 0, 0, 0 },
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 },
80  {-1, 0, 0, 0 }, {-1, 0, 0, 0 }, {-1, 0, 0, 0 }, {-1, 0, 0, 0 }, {-1, 0, 0, 0 }, {-1, 0, 0, 0 },
81  {-1, 0, 0, 0 }, {-1, 0, 0, 0 }, {-1, 0, 0, 0 }, {-1, 0, 0, 0 }, {-1, 0, 0, 0 }, {-1, 0, 0, 0 },
82  {-1, 0, 0, 0 }, {-1, 0, 0, 0 }, {-1, 0, 0, 0 }, {-1, 0, 0, 0 }, {-1, 0, 0, 0 }, {-1, 0, 0, 1 },
83  {-1, 0, 0, 1 }, {-1, 0, 0, 1 }, {-1, 0, 0, 1 }, {-1, 0, 1, 1 }, {-1, 0, 1, 1 }, {-1, 1, 1, 1 },
84  {-1, 1, 1, 1 }, {-1, 1, 1, 1 }, {-1, 1, 1, 1 }, {-1, 1, 1, 2 }, {-1, 1, 1, 2 }, {-1, 1, 1, 2 },
85  {-1, 1, 1, 2 }, {-1, 1, 2, 3 }, {-1, 1, 2, 3 }, {-1, 2, 2, 3 }, {-1, 2, 2, 4 }, {-1, 2, 3, 4 },
86  {-1, 2, 3, 4 }, {-1, 3, 3, 5 }, {-1, 3, 4, 6 }, {-1, 3, 4, 6 }, {-1, 4, 5, 7 }, {-1, 4, 5, 8 },
87  {-1, 4, 6, 9 }, {-1, 5, 7,10 }, {-1, 6, 8,11 }, {-1, 6, 8,13 }, {-1, 7,10,14 }, {-1, 8,11,16 },
88  {-1, 9,12,18 }, {-1,10,13,20 }, {-1,11,15,23 }, {-1,13,17,25 },
89  {-1,13,17,25 }, {-1,13,17,25 }, {-1,13,17,25 }, {-1,13,17,25 }, {-1,13,17,25 }, {-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 },
98 };
99 
100 /* intra: 0 if this loopfilter call is guaranteed to be inter (bS < 4), 1 if it might be intra (bS == 4) */
101 static av_always_inline void filter_mb_edgev(uint8_t *pix, int stride,
102  const int16_t bS[4],
103  unsigned int qp, int a, int b,
104  H264Context *h, int intra)
105 {
106  const unsigned int index_a = qp + a;
107  const int alpha = alpha_table[index_a];
108  const int beta = beta_table[qp + b];
109  if (alpha ==0 || beta == 0) return;
110 
111  if( bS[0] < 4 || !intra ) {
112  int8_t tc[4];
113  tc[0] = tc0_table[index_a][bS[0]];
114  tc[1] = tc0_table[index_a][bS[1]];
115  tc[2] = tc0_table[index_a][bS[2]];
116  tc[3] = tc0_table[index_a][bS[3]];
117  h->h264dsp.h264_h_loop_filter_luma(pix, stride, alpha, beta, tc);
118  } else {
119  h->h264dsp.h264_h_loop_filter_luma_intra(pix, stride, alpha, beta);
120  }
121 }
122 
123 static av_always_inline void filter_mb_edgecv(uint8_t *pix, int stride,
124  const int16_t bS[4],
125  unsigned int qp, int a, int b,
126  H264Context *h, int intra)
127 {
128  const unsigned int index_a = qp + a;
129  const int alpha = alpha_table[index_a];
130  const int beta = beta_table[qp + b];
131  if (alpha ==0 || beta == 0) return;
132 
133  if( bS[0] < 4 || !intra ) {
134  int8_t tc[4];
135  tc[0] = tc0_table[index_a][bS[0]]+1;
136  tc[1] = tc0_table[index_a][bS[1]]+1;
137  tc[2] = tc0_table[index_a][bS[2]]+1;
138  tc[3] = tc0_table[index_a][bS[3]]+1;
139  h->h264dsp.h264_h_loop_filter_chroma(pix, stride, alpha, beta, tc);
140  } else {
141  h->h264dsp.h264_h_loop_filter_chroma_intra(pix, stride, alpha, beta);
142  }
143 }
144 
145 static av_always_inline void filter_mb_mbaff_edgev(H264Context *h, uint8_t *pix,
146  int stride,
147  const int16_t bS[7], int bsi,
148  int qp, int a, int b,
149  int intra)
150 {
151  const unsigned int index_a = qp + a;
152  const int alpha = alpha_table[index_a];
153  const int beta = beta_table[qp + b];
154  if (alpha ==0 || beta == 0) return;
155 
156  if( bS[0] < 4 || !intra ) {
157  int8_t tc[4];
158  tc[0] = tc0_table[index_a][bS[0*bsi]];
159  tc[1] = tc0_table[index_a][bS[1*bsi]];
160  tc[2] = tc0_table[index_a][bS[2*bsi]];
161  tc[3] = tc0_table[index_a][bS[3*bsi]];
162  h->h264dsp.h264_h_loop_filter_luma_mbaff(pix, stride, alpha, beta, tc);
163  } else {
164  h->h264dsp.h264_h_loop_filter_luma_mbaff_intra(pix, stride, alpha, beta);
165  }
166 }
167 
168 static av_always_inline void filter_mb_mbaff_edgecv(H264Context *h,
169  uint8_t *pix, int stride,
170  const int16_t bS[7],
171  int bsi, int qp, int a,
172  int b, int intra)
173 {
174  const unsigned int index_a = qp + a;
175  const int alpha = alpha_table[index_a];
176  const int beta = beta_table[qp + b];
177  if (alpha ==0 || beta == 0) return;
178 
179  if( bS[0] < 4 || !intra ) {
180  int8_t tc[4];
181  tc[0] = tc0_table[index_a][bS[0*bsi]] + 1;
182  tc[1] = tc0_table[index_a][bS[1*bsi]] + 1;
183  tc[2] = tc0_table[index_a][bS[2*bsi]] + 1;
184  tc[3] = tc0_table[index_a][bS[3*bsi]] + 1;
185  h->h264dsp.h264_h_loop_filter_chroma_mbaff(pix, stride, alpha, beta, tc);
186  } else {
187  h->h264dsp.h264_h_loop_filter_chroma_mbaff_intra(pix, stride, alpha, beta);
188  }
189 }
190 
191 static av_always_inline void filter_mb_edgeh(uint8_t *pix, int stride,
192  const int16_t bS[4],
193  unsigned int qp, int a, int b,
194  H264Context *h, int intra)
195 {
196  const unsigned int index_a = qp + a;
197  const int alpha = alpha_table[index_a];
198  const int beta = beta_table[qp + b];
199  if (alpha ==0 || beta == 0) return;
200 
201  if( bS[0] < 4 || !intra ) {
202  int8_t tc[4];
203  tc[0] = tc0_table[index_a][bS[0]];
204  tc[1] = tc0_table[index_a][bS[1]];
205  tc[2] = tc0_table[index_a][bS[2]];
206  tc[3] = tc0_table[index_a][bS[3]];
207  h->h264dsp.h264_v_loop_filter_luma(pix, stride, alpha, beta, tc);
208  } else {
209  h->h264dsp.h264_v_loop_filter_luma_intra(pix, stride, alpha, beta);
210  }
211 }
212 
213 static av_always_inline void filter_mb_edgech(uint8_t *pix, int stride,
214  const int16_t bS[4],
215  unsigned int qp, int a, int b,
216  H264Context *h, int intra)
217 {
218  const unsigned int index_a = qp + a;
219  const int alpha = alpha_table[index_a];
220  const int beta = beta_table[qp + b];
221  if (alpha ==0 || beta == 0) return;
222 
223  if( bS[0] < 4 || !intra ) {
224  int8_t tc[4];
225  tc[0] = tc0_table[index_a][bS[0]]+1;
226  tc[1] = tc0_table[index_a][bS[1]]+1;
227  tc[2] = tc0_table[index_a][bS[2]]+1;
228  tc[3] = tc0_table[index_a][bS[3]]+1;
229  h->h264dsp.h264_v_loop_filter_chroma(pix, stride, alpha, beta, tc);
230  } else {
231  h->h264dsp.h264_v_loop_filter_chroma_intra(pix, stride, alpha, beta);
232  }
233 }
234 
235 static av_always_inline void h264_filter_mb_fast_internal(H264Context *h,
236  int mb_x, int mb_y,
237  uint8_t *img_y,
238  uint8_t *img_cb,
239  uint8_t *img_cr,
240  unsigned int linesize,
241  unsigned int uvlinesize,
242  int pixel_shift)
243 {
244  int chroma = CHROMA(h) && !(CONFIG_GRAY && (h->flags&CODEC_FLAG_GRAY));
245  int chroma444 = CHROMA444(h);
246  int chroma422 = CHROMA422(h);
247 
248  int mb_xy = h->mb_xy;
249  int left_type= h->left_type[LTOP];
250  int top_type= h->top_type;
251 
252  int qp_bd_offset = 6 * (h->sps.bit_depth_luma - 8);
253  int a = 52 + h->slice_alpha_c0_offset - qp_bd_offset;
254  int b = 52 + h->slice_beta_offset - qp_bd_offset;
255 
256  int mb_type = h->cur_pic.mb_type[mb_xy];
257  int qp = h->cur_pic.qscale_table[mb_xy];
258  int qp0 = h->cur_pic.qscale_table[mb_xy - 1];
259  int qp1 = h->cur_pic.qscale_table[h->top_mb_xy];
260  int qpc = get_chroma_qp( h, 0, qp );
261  int qpc0 = get_chroma_qp( h, 0, qp0 );
262  int qpc1 = get_chroma_qp( h, 0, qp1 );
263  qp0 = (qp + qp0 + 1) >> 1;
264  qp1 = (qp + qp1 + 1) >> 1;
265  qpc0 = (qpc + qpc0 + 1) >> 1;
266  qpc1 = (qpc + qpc1 + 1) >> 1;
267 
268  if( IS_INTRA(mb_type) ) {
269  static const int16_t bS4[4] = {4,4,4,4};
270  static const int16_t bS3[4] = {3,3,3,3};
271  const int16_t *bSH = FIELD_PICTURE(h) ? bS3 : bS4;
272  if(left_type)
273  filter_mb_edgev( &img_y[4*0<<pixel_shift], linesize, bS4, qp0, a, b, h, 1);
274  if( IS_8x8DCT(mb_type) ) {
275  filter_mb_edgev( &img_y[4*2<<pixel_shift], linesize, bS3, qp, a, b, h, 0);
276  if(top_type){
277  filter_mb_edgeh( &img_y[4*0*linesize], linesize, bSH, qp1, a, b, h, 1);
278  }
279  filter_mb_edgeh( &img_y[4*2*linesize], linesize, bS3, qp, a, b, h, 0);
280  } else {
281  filter_mb_edgev( &img_y[4*1<<pixel_shift], linesize, bS3, qp, a, b, h, 0);
282  filter_mb_edgev( &img_y[4*2<<pixel_shift], linesize, bS3, qp, a, b, h, 0);
283  filter_mb_edgev( &img_y[4*3<<pixel_shift], linesize, bS3, qp, a, b, h, 0);
284  if(top_type){
285  filter_mb_edgeh( &img_y[4*0*linesize], linesize, bSH, qp1, a, b, h, 1);
286  }
287  filter_mb_edgeh( &img_y[4*1*linesize], linesize, bS3, qp, a, b, h, 0);
288  filter_mb_edgeh( &img_y[4*2*linesize], linesize, bS3, qp, a, b, h, 0);
289  filter_mb_edgeh( &img_y[4*3*linesize], linesize, bS3, qp, a, b, h, 0);
290  }
291  if(chroma){
292  if(chroma444){
293  if(left_type){
294  filter_mb_edgev( &img_cb[4*0<<pixel_shift], linesize, bS4, qpc0, a, b, h, 1);
295  filter_mb_edgev( &img_cr[4*0<<pixel_shift], linesize, bS4, qpc0, a, b, h, 1);
296  }
297  if( IS_8x8DCT(mb_type) ) {
298  filter_mb_edgev( &img_cb[4*2<<pixel_shift], linesize, bS3, qpc, a, b, h, 0);
299  filter_mb_edgev( &img_cr[4*2<<pixel_shift], linesize, bS3, qpc, a, b, h, 0);
300  if(top_type){
301  filter_mb_edgeh( &img_cb[4*0*linesize], linesize, bSH, qpc1, a, b, h, 1 );
302  filter_mb_edgeh( &img_cr[4*0*linesize], linesize, bSH, qpc1, a, b, h, 1 );
303  }
304  filter_mb_edgeh( &img_cb[4*2*linesize], linesize, bS3, qpc, a, b, h, 0);
305  filter_mb_edgeh( &img_cr[4*2*linesize], linesize, bS3, qpc, a, b, h, 0);
306  } else {
307  filter_mb_edgev( &img_cb[4*1<<pixel_shift], linesize, bS3, qpc, a, b, h, 0);
308  filter_mb_edgev( &img_cr[4*1<<pixel_shift], linesize, bS3, qpc, a, b, h, 0);
309  filter_mb_edgev( &img_cb[4*2<<pixel_shift], linesize, bS3, qpc, a, b, h, 0);
310  filter_mb_edgev( &img_cr[4*2<<pixel_shift], linesize, bS3, qpc, a, b, h, 0);
311  filter_mb_edgev( &img_cb[4*3<<pixel_shift], linesize, bS3, qpc, a, b, h, 0);
312  filter_mb_edgev( &img_cr[4*3<<pixel_shift], linesize, bS3, qpc, a, b, h, 0);
313  if(top_type){
314  filter_mb_edgeh( &img_cb[4*0*linesize], linesize, bSH, qpc1, a, b, h, 1);
315  filter_mb_edgeh( &img_cr[4*0*linesize], linesize, bSH, qpc1, a, b, h, 1);
316  }
317  filter_mb_edgeh( &img_cb[4*1*linesize], linesize, bS3, qpc, a, b, h, 0);
318  filter_mb_edgeh( &img_cr[4*1*linesize], linesize, bS3, qpc, a, b, h, 0);
319  filter_mb_edgeh( &img_cb[4*2*linesize], linesize, bS3, qpc, a, b, h, 0);
320  filter_mb_edgeh( &img_cr[4*2*linesize], linesize, bS3, qpc, a, b, h, 0);
321  filter_mb_edgeh( &img_cb[4*3*linesize], linesize, bS3, qpc, a, b, h, 0);
322  filter_mb_edgeh( &img_cr[4*3*linesize], linesize, bS3, qpc, a, b, h, 0);
323  }
324  }else if(chroma422){
325  if(left_type){
326  filter_mb_edgecv(&img_cb[2*0<<pixel_shift], uvlinesize, bS4, qpc0, a, b, h, 1);
327  filter_mb_edgecv(&img_cr[2*0<<pixel_shift], uvlinesize, bS4, qpc0, a, b, h, 1);
328  }
329  filter_mb_edgecv(&img_cb[2*2<<pixel_shift], uvlinesize, bS3, qpc, a, b, h, 0);
330  filter_mb_edgecv(&img_cr[2*2<<pixel_shift], uvlinesize, bS3, qpc, a, b, h, 0);
331  if(top_type){
332  filter_mb_edgech(&img_cb[4*0*uvlinesize], uvlinesize, bSH, qpc1, a, b, h, 1);
333  filter_mb_edgech(&img_cr[4*0*uvlinesize], uvlinesize, bSH, qpc1, a, b, h, 1);
334  }
335  filter_mb_edgech(&img_cb[4*1*uvlinesize], uvlinesize, bS3, qpc, a, b, h, 0);
336  filter_mb_edgech(&img_cr[4*1*uvlinesize], uvlinesize, bS3, qpc, a, b, h, 0);
337  filter_mb_edgech(&img_cb[4*2*uvlinesize], uvlinesize, bS3, qpc, a, b, h, 0);
338  filter_mb_edgech(&img_cr[4*2*uvlinesize], uvlinesize, bS3, qpc, a, b, h, 0);
339  filter_mb_edgech(&img_cb[4*3*uvlinesize], uvlinesize, bS3, qpc, a, b, h, 0);
340  filter_mb_edgech(&img_cr[4*3*uvlinesize], uvlinesize, bS3, qpc, a, b, h, 0);
341  }else{
342  if(left_type){
343  filter_mb_edgecv( &img_cb[2*0<<pixel_shift], uvlinesize, bS4, qpc0, a, b, h, 1);
344  filter_mb_edgecv( &img_cr[2*0<<pixel_shift], uvlinesize, bS4, qpc0, a, b, h, 1);
345  }
346  filter_mb_edgecv( &img_cb[2*2<<pixel_shift], uvlinesize, bS3, qpc, a, b, h, 0);
347  filter_mb_edgecv( &img_cr[2*2<<pixel_shift], uvlinesize, bS3, qpc, a, b, h, 0);
348  if(top_type){
349  filter_mb_edgech( &img_cb[2*0*uvlinesize], uvlinesize, bSH, qpc1, a, b, h, 1);
350  filter_mb_edgech( &img_cr[2*0*uvlinesize], uvlinesize, bSH, qpc1, a, b, h, 1);
351  }
352  filter_mb_edgech( &img_cb[2*2*uvlinesize], uvlinesize, bS3, qpc, a, b, h, 0);
353  filter_mb_edgech( &img_cr[2*2*uvlinesize], uvlinesize, bS3, qpc, a, b, h, 0);
354  }
355  }
356  return;
357  } else {
358  LOCAL_ALIGNED_8(int16_t, bS, [2], [4][4]);
359  int edges;
360  if( IS_8x8DCT(mb_type) && (h->cbp&7) == 7 && !chroma444 ) {
361  edges = 4;
362  AV_WN64A(bS[0][0], 0x0002000200020002ULL);
363  AV_WN64A(bS[0][2], 0x0002000200020002ULL);
364  AV_WN64A(bS[1][0], 0x0002000200020002ULL);
365  AV_WN64A(bS[1][2], 0x0002000200020002ULL);
366  } else {
367  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;
368  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;
369  int step = 1+(mb_type>>24); //IS_8x8DCT(mb_type) ? 2 : 1;
370  edges = 4 - 3*((mb_type>>3) & !(h->cbp & 15)); //(mb_type & MB_TYPE_16x16) && !(h->cbp & 15) ? 1 : 4;
371  h->h264dsp.h264_loop_filter_strength( bS, h->non_zero_count_cache, h->ref_cache, h->mv_cache,
372  h->list_count==2, edges, step, mask_edge0, mask_edge1, FIELD_PICTURE(h));
373  }
374  if( IS_INTRA(left_type) )
375  AV_WN64A(bS[0][0], 0x0004000400040004ULL);
376  if( IS_INTRA(top_type) )
377  AV_WN64A(bS[1][0], FIELD_PICTURE(h) ? 0x0003000300030003ULL : 0x0004000400040004ULL);
378 
379 #define FILTER(hv,dir,edge,intra)\
380  if(AV_RN64A(bS[dir][edge])) { \
381  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 );\
382  if(chroma){\
383  if(chroma444){\
384  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 );\
385  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 );\
386  } else if(!(edge&1)) {\
387  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 );\
388  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 );\
389  }\
390  }\
391  }
392  if(left_type)
393  FILTER(v,0,0,1);
394  if( edges == 1 ) {
395  if(top_type)
396  FILTER(h,1,0,1);
397  } else if( IS_8x8DCT(mb_type) ) {
398  FILTER(v,0,2,0);
399  if(top_type)
400  FILTER(h,1,0,1);
401  FILTER(h,1,2,0);
402  } else {
403  FILTER(v,0,1,0);
404  FILTER(v,0,2,0);
405  FILTER(v,0,3,0);
406  if(top_type)
407  FILTER(h,1,0,1);
408  FILTER(h,1,1,0);
409  FILTER(h,1,2,0);
410  FILTER(h,1,3,0);
411  }
412 #undef FILTER
413  }
414 }
415 
416 void ff_h264_filter_mb_fast( H264Context *h, int mb_x, int mb_y, uint8_t *img_y, uint8_t *img_cb, uint8_t *img_cr, unsigned int linesize, unsigned int uvlinesize) {
417  av_assert2(!FRAME_MBAFF(h));
418  if(!h->h264dsp.h264_loop_filter_strength || h->pps.chroma_qp_diff) {
419  ff_h264_filter_mb(h, mb_x, mb_y, img_y, img_cb, img_cr, linesize, uvlinesize);
420  return;
421  }
422 
423 #if CONFIG_SMALL
424  h264_filter_mb_fast_internal(h, mb_x, mb_y, img_y, img_cb, img_cr, linesize, uvlinesize, h->pixel_shift);
425 #else
426  if(h->pixel_shift){
427  h264_filter_mb_fast_internal(h, mb_x, mb_y, img_y, img_cb, img_cr, linesize, uvlinesize, 1);
428  }else{
429  h264_filter_mb_fast_internal(h, mb_x, mb_y, img_y, img_cb, img_cr, linesize, uvlinesize, 0);
430  }
431 #endif
432 }
433 
434 static int check_mv(H264Context *h, long b_idx, long bn_idx, int mvy_limit){
435  int v;
436 
437  v= h->ref_cache[0][b_idx] != h->ref_cache[0][bn_idx];
438  if(!v && h->ref_cache[0][b_idx]!=-1)
439  v= h->mv_cache[0][b_idx][0] - h->mv_cache[0][bn_idx][0] + 3 >= 7U |
440  FFABS( h->mv_cache[0][b_idx][1] - h->mv_cache[0][bn_idx][1] ) >= mvy_limit;
441 
442  if(h->list_count==2){
443  if(!v)
444  v = h->ref_cache[1][b_idx] != h->ref_cache[1][bn_idx] |
445  h->mv_cache[1][b_idx][0] - h->mv_cache[1][bn_idx][0] + 3 >= 7U |
446  FFABS( h->mv_cache[1][b_idx][1] - h->mv_cache[1][bn_idx][1] ) >= mvy_limit;
447 
448  if(v){
449  if(h->ref_cache[0][b_idx] != h->ref_cache[1][bn_idx] |
450  h->ref_cache[1][b_idx] != h->ref_cache[0][bn_idx])
451  return 1;
452  return
453  h->mv_cache[0][b_idx][0] - h->mv_cache[1][bn_idx][0] + 3 >= 7U |
454  FFABS( h->mv_cache[0][b_idx][1] - h->mv_cache[1][bn_idx][1] ) >= mvy_limit |
455  h->mv_cache[1][b_idx][0] - h->mv_cache[0][bn_idx][0] + 3 >= 7U |
456  FFABS( h->mv_cache[1][b_idx][1] - h->mv_cache[0][bn_idx][1] ) >= mvy_limit;
457  }
458  }
459 
460  return v;
461 }
462 
463 static av_always_inline void filter_mb_dir(H264Context *h, int mb_x, int mb_y, uint8_t *img_y, uint8_t *img_cb, uint8_t *img_cr, unsigned int linesize, unsigned int uvlinesize, int mb_xy, int mb_type, int mvy_limit, int first_vertical_edge_done, int a, int b, int chroma, int dir) {
464  int edge;
465  int chroma_qp_avg[2];
466  int chroma444 = CHROMA444(h);
467  int chroma422 = CHROMA422(h);
468  const int mbm_xy = dir == 0 ? mb_xy -1 : h->top_mb_xy;
469  const int mbm_type = dir == 0 ? h->left_type[LTOP] : h->top_type;
470 
471  // how often to recheck mv-based bS when iterating between edges
472  static const uint8_t mask_edge_tab[2][8]={{0,3,3,3,1,1,1,1},
473  {0,3,1,1,3,3,3,3}};
474  const int mask_edge = mask_edge_tab[dir][(mb_type>>3)&7];
475  const int edges = mask_edge== 3 && !(h->cbp&15) ? 1 : 4;
476 
477  // how often to recheck mv-based bS when iterating along each edge
478  const int mask_par0 = mb_type & (MB_TYPE_16x16 | (MB_TYPE_8x16 >> dir));
479 
480  if(mbm_type && !first_vertical_edge_done){
481 
482  if (FRAME_MBAFF(h) && (dir == 1) && ((mb_y&1) == 0)
483  && IS_INTERLACED(mbm_type&~mb_type)
484  ) {
485  // This is a special case in the norm where the filtering must
486  // be done twice (one each of the field) even if we are in a
487  // frame macroblock.
488  //
489  unsigned int tmp_linesize = 2 * linesize;
490  unsigned int tmp_uvlinesize = 2 * uvlinesize;
491  int mbn_xy = mb_xy - 2 * h->mb_stride;
492  int j;
493 
494  for(j=0; j<2; j++, mbn_xy += h->mb_stride){
495  DECLARE_ALIGNED(8, int16_t, bS)[4];
496  int qp;
497  if (IS_INTRA(mb_type | h->cur_pic.mb_type[mbn_xy])) {
498  AV_WN64A(bS, 0x0003000300030003ULL);
499  } else {
500  if (!CABAC(h) && IS_8x8DCT(h->cur_pic.mb_type[mbn_xy])) {
501  bS[0]= 1+((h->cbp_table[mbn_xy] & 0x4000)||h->non_zero_count_cache[scan8[0]+0]);
502  bS[1]= 1+((h->cbp_table[mbn_xy] & 0x4000)||h->non_zero_count_cache[scan8[0]+1]);
503  bS[2]= 1+((h->cbp_table[mbn_xy] & 0x8000)||h->non_zero_count_cache[scan8[0]+2]);
504  bS[3]= 1+((h->cbp_table[mbn_xy] & 0x8000)||h->non_zero_count_cache[scan8[0]+3]);
505  }else{
506  const uint8_t *mbn_nnz = h->non_zero_count[mbn_xy] + 3*4;
507  int i;
508  for( i = 0; i < 4; i++ ) {
509  bS[i] = 1 + !!(h->non_zero_count_cache[scan8[0]+i] | mbn_nnz[i]);
510  }
511  }
512  }
513  // Do not use s->qscale as luma quantizer because it has not the same
514  // value in IPCM macroblocks.
515  qp = (h->cur_pic.qscale_table[mb_xy] + h->cur_pic.qscale_table[mbn_xy] + 1) >> 1;
516  tprintf(h->avctx, "filter mb:%d/%d dir:%d edge:%d, QPy:%d ls:%d uvls:%d", mb_x, mb_y, dir, edge, qp, tmp_linesize, tmp_uvlinesize);
517  { int i; for (i = 0; i < 4; i++) tprintf(h->avctx, " bS[%d]:%d", i, bS[i]); tprintf(h->avctx, "\n"); }
518  filter_mb_edgeh( &img_y[j*linesize], tmp_linesize, bS, qp, a, b, h, 0 );
519  chroma_qp_avg[0] = (h->chroma_qp[0] + get_chroma_qp(h, 0, h->cur_pic.qscale_table[mbn_xy]) + 1) >> 1;
520  chroma_qp_avg[1] = (h->chroma_qp[1] + get_chroma_qp(h, 1, h->cur_pic.qscale_table[mbn_xy]) + 1) >> 1;
521  if (chroma) {
522  if (chroma444) {
523  filter_mb_edgeh (&img_cb[j*uvlinesize], tmp_uvlinesize, bS, chroma_qp_avg[0], a, b, h, 0);
524  filter_mb_edgeh (&img_cr[j*uvlinesize], tmp_uvlinesize, bS, chroma_qp_avg[1], a, b, h, 0);
525  } else {
526  filter_mb_edgech(&img_cb[j*uvlinesize], tmp_uvlinesize, bS, chroma_qp_avg[0], a, b, h, 0);
527  filter_mb_edgech(&img_cr[j*uvlinesize], tmp_uvlinesize, bS, chroma_qp_avg[1], a, b, h, 0);
528  }
529  }
530  }
531  }else{
532  DECLARE_ALIGNED(8, int16_t, bS)[4];
533  int qp;
534 
535  if( IS_INTRA(mb_type|mbm_type)) {
536  AV_WN64A(bS, 0x0003000300030003ULL);
537  if ( (!IS_INTERLACED(mb_type|mbm_type))
538  || ((FRAME_MBAFF(h) || (h->picture_structure != PICT_FRAME)) && (dir == 0))
539  )
540  AV_WN64A(bS, 0x0004000400040004ULL);
541  } else {
542  int i;
543  int mv_done;
544 
545  if( dir && FRAME_MBAFF(h) && IS_INTERLACED(mb_type ^ mbm_type)) {
546  AV_WN64A(bS, 0x0001000100010001ULL);
547  mv_done = 1;
548  }
549  else if( mask_par0 && ((mbm_type & (MB_TYPE_16x16 | (MB_TYPE_8x16 >> dir)))) ) {
550  int b_idx= 8 + 4;
551  int bn_idx= b_idx - (dir ? 8:1);
552 
553  bS[0] = bS[1] = bS[2] = bS[3] = check_mv(h, 8 + 4, bn_idx, mvy_limit);
554  mv_done = 1;
555  }
556  else
557  mv_done = 0;
558 
559  for( i = 0; i < 4; i++ ) {
560  int x = dir == 0 ? 0 : i;
561  int y = dir == 0 ? i : 0;
562  int b_idx= 8 + 4 + x + 8*y;
563  int bn_idx= b_idx - (dir ? 8:1);
564 
565  if( h->non_zero_count_cache[b_idx] |
566  h->non_zero_count_cache[bn_idx] ) {
567  bS[i] = 2;
568  }
569  else if(!mv_done)
570  {
571  bS[i] = check_mv(h, b_idx, bn_idx, mvy_limit);
572  }
573  }
574  }
575 
576  /* Filter edge */
577  // Do not use s->qscale as luma quantizer because it has not the same
578  // value in IPCM macroblocks.
579  if(bS[0]+bS[1]+bS[2]+bS[3]){
580  qp = (h->cur_pic.qscale_table[mb_xy] + h->cur_pic.qscale_table[mbm_xy] + 1) >> 1;
581  //tprintf(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]);
582  tprintf(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);
583  //{ int i; for (i = 0; i < 4; i++) tprintf(h->avctx, " bS[%d]:%d", i, bS[i]); tprintf(h->avctx, "\n"); }
584  chroma_qp_avg[0] = (h->chroma_qp[0] + get_chroma_qp(h, 0, h->cur_pic.qscale_table[mbm_xy]) + 1) >> 1;
585  chroma_qp_avg[1] = (h->chroma_qp[1] + get_chroma_qp(h, 1, h->cur_pic.qscale_table[mbm_xy]) + 1) >> 1;
586  if( dir == 0 ) {
587  filter_mb_edgev( &img_y[0], linesize, bS, qp, a, b, h, 1 );
588  if (chroma) {
589  if (chroma444) {
590  filter_mb_edgev ( &img_cb[0], uvlinesize, bS, chroma_qp_avg[0], a, b, h, 1);
591  filter_mb_edgev ( &img_cr[0], uvlinesize, bS, chroma_qp_avg[1], a, b, h, 1);
592  } else {
593  filter_mb_edgecv( &img_cb[0], uvlinesize, bS, chroma_qp_avg[0], a, b, h, 1);
594  filter_mb_edgecv( &img_cr[0], uvlinesize, bS, chroma_qp_avg[1], a, b, h, 1);
595  }
596  }
597  } else {
598  filter_mb_edgeh( &img_y[0], linesize, bS, qp, a, b, h, 1 );
599  if (chroma) {
600  if (chroma444) {
601  filter_mb_edgeh ( &img_cb[0], uvlinesize, bS, chroma_qp_avg[0], a, b, h, 1);
602  filter_mb_edgeh ( &img_cr[0], uvlinesize, bS, chroma_qp_avg[1], a, b, h, 1);
603  } else {
604  filter_mb_edgech( &img_cb[0], uvlinesize, bS, chroma_qp_avg[0], a, b, h, 1);
605  filter_mb_edgech( &img_cr[0], uvlinesize, bS, chroma_qp_avg[1], a, b, h, 1);
606  }
607  }
608  }
609  }
610  }
611  }
612 
613  /* Calculate bS */
614  for( edge = 1; edge < edges; edge++ ) {
615  DECLARE_ALIGNED(8, int16_t, bS)[4];
616  int qp;
617  const int deblock_edge = !IS_8x8DCT(mb_type & (edge<<24)); // (edge&1) && IS_8x8DCT(mb_type)
618 
619  if (!deblock_edge && (!chroma422 || dir == 0))
620  continue;
621 
622  if( IS_INTRA(mb_type)) {
623  AV_WN64A(bS, 0x0003000300030003ULL);
624  } else {
625  int i;
626  int mv_done;
627 
628  if( edge & mask_edge ) {
629  AV_ZERO64(bS);
630  mv_done = 1;
631  }
632  else if( mask_par0 ) {
633  int b_idx= 8 + 4 + edge * (dir ? 8:1);
634  int bn_idx= b_idx - (dir ? 8:1);
635 
636  bS[0] = bS[1] = bS[2] = bS[3] = check_mv(h, b_idx, bn_idx, mvy_limit);
637  mv_done = 1;
638  }
639  else
640  mv_done = 0;
641 
642  for( i = 0; i < 4; i++ ) {
643  int x = dir == 0 ? edge : i;
644  int y = dir == 0 ? i : edge;
645  int b_idx= 8 + 4 + x + 8*y;
646  int bn_idx= b_idx - (dir ? 8:1);
647 
648  if( h->non_zero_count_cache[b_idx] |
649  h->non_zero_count_cache[bn_idx] ) {
650  bS[i] = 2;
651  }
652  else if(!mv_done)
653  {
654  bS[i] = check_mv(h, b_idx, bn_idx, mvy_limit);
655  }
656  }
657 
658  if(bS[0]+bS[1]+bS[2]+bS[3] == 0)
659  continue;
660  }
661 
662  /* Filter edge */
663  // Do not use s->qscale as luma quantizer because it has not the same
664  // value in IPCM macroblocks.
665  qp = h->cur_pic.qscale_table[mb_xy];
666  //tprintf(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]);
667  tprintf(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);
668  //{ int i; for (i = 0; i < 4; i++) tprintf(h->avctx, " bS[%d]:%d", i, bS[i]); tprintf(h->avctx, "\n"); }
669  if( dir == 0 ) {
670  filter_mb_edgev( &img_y[4*edge << h->pixel_shift], linesize, bS, qp, a, b, h, 0 );
671  if (chroma) {
672  if (chroma444) {
673  filter_mb_edgev ( &img_cb[4*edge << h->pixel_shift], uvlinesize, bS, h->chroma_qp[0], a, b, h, 0);
674  filter_mb_edgev ( &img_cr[4*edge << h->pixel_shift], uvlinesize, bS, h->chroma_qp[1], a, b, h, 0);
675  } else if( (edge&1) == 0 ) {
676  filter_mb_edgecv( &img_cb[2*edge << h->pixel_shift], uvlinesize, bS, h->chroma_qp[0], a, b, h, 0);
677  filter_mb_edgecv( &img_cr[2*edge << h->pixel_shift], uvlinesize, bS, h->chroma_qp[1], a, b, h, 0);
678  }
679  }
680  } else {
681  if (chroma422) {
682  if (deblock_edge)
683  filter_mb_edgeh(&img_y[4*edge*linesize], linesize, bS, qp, a, b, h, 0);
684  if (chroma) {
685  filter_mb_edgech(&img_cb[4*edge*uvlinesize], uvlinesize, bS, h->chroma_qp[0], a, b, h, 0);
686  filter_mb_edgech(&img_cr[4*edge*uvlinesize], uvlinesize, bS, h->chroma_qp[1], a, b, h, 0);
687  }
688  } else {
689  filter_mb_edgeh(&img_y[4*edge*linesize], linesize, bS, qp, a, b, h, 0);
690  if (chroma) {
691  if (chroma444) {
692  filter_mb_edgeh (&img_cb[4*edge*uvlinesize], uvlinesize, bS, h->chroma_qp[0], a, b, h, 0);
693  filter_mb_edgeh (&img_cr[4*edge*uvlinesize], uvlinesize, bS, h->chroma_qp[1], a, b, h, 0);
694  } else if ((edge&1) == 0) {
695  filter_mb_edgech(&img_cb[2*edge*uvlinesize], uvlinesize, bS, h->chroma_qp[0], a, b, h, 0);
696  filter_mb_edgech(&img_cr[2*edge*uvlinesize], uvlinesize, bS, h->chroma_qp[1], a, b, h, 0);
697  }
698  }
699  }
700  }
701  }
702 }
703 
704 void ff_h264_filter_mb( H264Context *h, int mb_x, int mb_y, uint8_t *img_y, uint8_t *img_cb, uint8_t *img_cr, unsigned int linesize, unsigned int uvlinesize) {
705  const int mb_xy= mb_x + mb_y*h->mb_stride;
706  const int mb_type = h->cur_pic.mb_type[mb_xy];
707  const int mvy_limit = IS_INTERLACED(mb_type) ? 2 : 4;
708  int first_vertical_edge_done = 0;
709  int chroma = CHROMA(h) && !(CONFIG_GRAY && (h->flags&CODEC_FLAG_GRAY));
710  int qp_bd_offset = 6 * (h->sps.bit_depth_luma - 8);
711  int a = 52 + h->slice_alpha_c0_offset - qp_bd_offset;
712  int b = 52 + h->slice_beta_offset - qp_bd_offset;
713 
714  if (FRAME_MBAFF(h)
715  // and current and left pair do not have the same interlaced type
716  && IS_INTERLACED(mb_type^h->left_type[LTOP])
717  // and left mb is in available to us
718  && h->left_type[LTOP]) {
719  /* First vertical edge is different in MBAFF frames
720  * There are 8 different bS to compute and 2 different Qp
721  */
722  DECLARE_ALIGNED(8, int16_t, bS)[8];
723  int qp[2];
724  int bqp[2];
725  int rqp[2];
726  int mb_qp, mbn0_qp, mbn1_qp;
727  int i;
728  first_vertical_edge_done = 1;
729 
730  if( IS_INTRA(mb_type) ) {
731  AV_WN64A(&bS[0], 0x0004000400040004ULL);
732  AV_WN64A(&bS[4], 0x0004000400040004ULL);
733  } else {
734  static const uint8_t offset[2][2][8]={
735  {
736  {3+4*0, 3+4*0, 3+4*0, 3+4*0, 3+4*1, 3+4*1, 3+4*1, 3+4*1},
737  {3+4*2, 3+4*2, 3+4*2, 3+4*2, 3+4*3, 3+4*3, 3+4*3, 3+4*3},
738  },{
739  {3+4*0, 3+4*1, 3+4*2, 3+4*3, 3+4*0, 3+4*1, 3+4*2, 3+4*3},
740  {3+4*0, 3+4*1, 3+4*2, 3+4*3, 3+4*0, 3+4*1, 3+4*2, 3+4*3},
741  }
742  };
743  const uint8_t *off= offset[MB_FIELD(h)][mb_y&1];
744  for( i = 0; i < 8; i++ ) {
745  int j= MB_FIELD(h) ? i>>2 : i&1;
746  int mbn_xy = h->left_mb_xy[LEFT(j)];
747  int mbn_type= h->left_type[LEFT(j)];
748 
749  if( IS_INTRA( mbn_type ) )
750  bS[i] = 4;
751  else{
752  bS[i] = 1 + !!(h->non_zero_count_cache[12+8*(i>>1)] |
753  ((!h->pps.cabac && IS_8x8DCT(mbn_type)) ?
754  (h->cbp_table[mbn_xy] & (((MB_FIELD(h) ? (i&2) : (mb_y&1)) ? 8 : 2) << 12))
755  :
756  h->non_zero_count[mbn_xy][ off[i] ]));
757  }
758  }
759  }
760 
761  mb_qp = h->cur_pic.qscale_table[mb_xy];
762  mbn0_qp = h->cur_pic.qscale_table[h->left_mb_xy[0]];
763  mbn1_qp = h->cur_pic.qscale_table[h->left_mb_xy[1]];
764  qp[0] = ( mb_qp + mbn0_qp + 1 ) >> 1;
765  bqp[0] = ( get_chroma_qp( h, 0, mb_qp ) +
766  get_chroma_qp( h, 0, mbn0_qp ) + 1 ) >> 1;
767  rqp[0] = ( get_chroma_qp( h, 1, mb_qp ) +
768  get_chroma_qp( h, 1, mbn0_qp ) + 1 ) >> 1;
769  qp[1] = ( mb_qp + mbn1_qp + 1 ) >> 1;
770  bqp[1] = ( get_chroma_qp( h, 0, mb_qp ) +
771  get_chroma_qp( h, 0, mbn1_qp ) + 1 ) >> 1;
772  rqp[1] = ( get_chroma_qp( h, 1, mb_qp ) +
773  get_chroma_qp( h, 1, mbn1_qp ) + 1 ) >> 1;
774 
775  /* Filter edge */
776  tprintf(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);
777  { int i; for (i = 0; i < 8; i++) tprintf(h->avctx, " bS[%d]:%d", i, bS[i]); tprintf(h->avctx, "\n"); }
778  if (MB_FIELD(h)) {
779  filter_mb_mbaff_edgev ( h, img_y , linesize, bS , 1, qp [0], a, b, 1 );
780  filter_mb_mbaff_edgev ( h, img_y + 8* linesize, linesize, bS+4, 1, qp [1], a, b, 1 );
781  if (chroma){
782  if (CHROMA444(h)) {
783  filter_mb_mbaff_edgev ( h, img_cb, uvlinesize, bS , 1, bqp[0], a, b, 1 );
784  filter_mb_mbaff_edgev ( h, img_cb + 8*uvlinesize, uvlinesize, bS+4, 1, bqp[1], a, b, 1 );
785  filter_mb_mbaff_edgev ( h, img_cr, uvlinesize, bS , 1, rqp[0], a, b, 1 );
786  filter_mb_mbaff_edgev ( h, img_cr + 8*uvlinesize, uvlinesize, bS+4, 1, rqp[1], a, b, 1 );
787  } else if (CHROMA422(h)) {
788  filter_mb_mbaff_edgecv(h, img_cb, uvlinesize, bS , 1, bqp[0], a, b, 1);
789  filter_mb_mbaff_edgecv(h, img_cb + 8*uvlinesize, uvlinesize, bS+4, 1, bqp[1], a, b, 1);
790  filter_mb_mbaff_edgecv(h, img_cr, uvlinesize, bS , 1, rqp[0], a, b, 1);
791  filter_mb_mbaff_edgecv(h, img_cr + 8*uvlinesize, uvlinesize, bS+4, 1, rqp[1], a, b, 1);
792  }else{
793  filter_mb_mbaff_edgecv( h, img_cb, uvlinesize, bS , 1, bqp[0], a, b, 1 );
794  filter_mb_mbaff_edgecv( h, img_cb + 4*uvlinesize, uvlinesize, bS+4, 1, bqp[1], a, b, 1 );
795  filter_mb_mbaff_edgecv( h, img_cr, uvlinesize, bS , 1, rqp[0], a, b, 1 );
796  filter_mb_mbaff_edgecv( h, img_cr + 4*uvlinesize, uvlinesize, bS+4, 1, rqp[1], a, b, 1 );
797  }
798  }
799  }else{
800  filter_mb_mbaff_edgev ( h, img_y , 2* linesize, bS , 2, qp [0], a, b, 1 );
801  filter_mb_mbaff_edgev ( h, img_y + linesize, 2* linesize, bS+1, 2, qp [1], a, b, 1 );
802  if (chroma){
803  if (CHROMA444(h)) {
804  filter_mb_mbaff_edgev ( h, img_cb, 2*uvlinesize, bS , 2, bqp[0], a, b, 1 );
805  filter_mb_mbaff_edgev ( h, img_cb + uvlinesize, 2*uvlinesize, bS+1, 2, bqp[1], a, b, 1 );
806  filter_mb_mbaff_edgev ( h, img_cr, 2*uvlinesize, bS , 2, rqp[0], a, b, 1 );
807  filter_mb_mbaff_edgev ( h, img_cr + uvlinesize, 2*uvlinesize, bS+1, 2, rqp[1], a, b, 1 );
808  }else{
809  filter_mb_mbaff_edgecv( h, img_cb, 2*uvlinesize, bS , 2, bqp[0], a, b, 1 );
810  filter_mb_mbaff_edgecv( h, img_cb + uvlinesize, 2*uvlinesize, bS+1, 2, bqp[1], a, b, 1 );
811  filter_mb_mbaff_edgecv( h, img_cr, 2*uvlinesize, bS , 2, rqp[0], a, b, 1 );
812  filter_mb_mbaff_edgecv( h, img_cr + uvlinesize, 2*uvlinesize, bS+1, 2, rqp[1], a, b, 1 );
813  }
814  }
815  }
816  }
817 
818 #if CONFIG_SMALL
819  {
820  int dir;
821  for (dir = 0; dir < 2; dir++)
822  filter_mb_dir(h, mb_x, mb_y, img_y, img_cb, img_cr, linesize,
823  uvlinesize, mb_xy, mb_type, mvy_limit,
824  dir ? 0 : first_vertical_edge_done, a, b,
825  chroma, dir);
826  }
827 #else
828  filter_mb_dir(h, mb_x, mb_y, img_y, img_cb, img_cr, linesize, uvlinesize, mb_xy, mb_type, mvy_limit, first_vertical_edge_done, a, b, chroma, 0);
829  filter_mb_dir(h, mb_x, mb_y, img_y, img_cb, img_cr, linesize, uvlinesize, mb_xy, mb_type, mvy_limit, 0, a, b, chroma, 1);
830 #endif
831 }
Generated on Sun Sep 14 2014 18:55:56 for FFmpeg by   doxygen 1.8.2