FFmpeg coverage


Directory: ../../../ffmpeg/
File: src/libavcodec/error_resilience.c
Date: 2021-09-24 20:55:06
Exec Total Coverage
Lines: 711 832 85.5%
Branches: 482 632 76.3%

Line Branch Exec Source
1 /*
2 * Error resilience / concealment
3 *
4 * Copyright (c) 2002-2004 Michael Niedermayer <michaelni@gmx.at>
5 *
6 * This file is part of FFmpeg.
7 *
8 * FFmpeg is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU Lesser General Public
10 * License as published by the Free Software Foundation; either
11 * version 2.1 of the License, or (at your option) any later version.
12 *
13 * FFmpeg is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 * Lesser General Public License for more details.
17 *
18 * You should have received a copy of the GNU Lesser General Public
19 * License along with FFmpeg; if not, write to the Free Software
20 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
21 */
22
23 /**
24 * @file
25 * Error resilience / concealment.
26 */
27
28 #include <limits.h>
29
30 #include "libavutil/internal.h"
31 #include "avcodec.h"
32 #include "error_resilience.h"
33 #include "me_cmp.h"
34 #include "mpegutils.h"
35 #include "mpegvideo.h"
36 #include "rectangle.h"
37 #include "thread.h"
38
39 /**
40 * @param stride the number of MVs to get to the next row
41 * @param mv_step the number of MVs per row or column in a macroblock
42 */
43 210 static void set_mv_strides(ERContext *s, ptrdiff_t *mv_step, ptrdiff_t *stride)
44 {
45
2/2
✓ Branch 0 taken 7 times.
✓ Branch 1 taken 203 times.
210 if (s->avctx->codec_id == AV_CODEC_ID_H264) {
46
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 7 times.
7 av_assert0(s->quarter_sample);
47 7 *mv_step = 4;
48 7 *stride = s->mb_width * 4;
49 } else {
50 203 *mv_step = 2;
51 203 *stride = s->b8_stride;
52 }
53 210 }
54
55 /**
56 * Replace the current MB with a flat dc-only version.
57 */
58 255 static void put_dc(ERContext *s, uint8_t *dest_y, uint8_t *dest_cb,
59 uint8_t *dest_cr, int mb_x, int mb_y)
60 {
61 255 int *linesize = s->cur_pic.f->linesize;
62 int dc, dcu, dcv, y, i;
63
2/2
✓ Branch 0 taken 1020 times.
✓ Branch 1 taken 255 times.
1275 for (i = 0; i < 4; i++) {
64 1020 dc = s->dc_val[0][mb_x * 2 + (i & 1) + (mb_y * 2 + (i >> 1)) * s->b8_stride];
65
2/2
✓ Branch 0 taken 17 times.
✓ Branch 1 taken 1003 times.
1020 if (dc < 0)
66 17 dc = 0;
67
2/2
✓ Branch 0 taken 8 times.
✓ Branch 1 taken 995 times.
1003 else if (dc > 2040)
68 8 dc = 2040;
69
2/2
✓ Branch 0 taken 8160 times.
✓ Branch 1 taken 1020 times.
9180 for (y = 0; y < 8; y++) {
70 int x;
71
2/2
✓ Branch 0 taken 65280 times.
✓ Branch 1 taken 8160 times.
73440 for (x = 0; x < 8; x++)
72 65280 dest_y[x + (i & 1) * 8 + (y + (i >> 1) * 8) * linesize[0]] = dc / 8;
73 }
74 }
75 255 dcu = s->dc_val[1][mb_x + mb_y * s->mb_stride];
76 255 dcv = s->dc_val[2][mb_x + mb_y * s->mb_stride];
77
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 255 times.
255 if (dcu < 0)
78 dcu = 0;
79
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 255 times.
255 else if (dcu > 2040)
80 dcu = 2040;
81
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 255 times.
255 if (dcv < 0)
82 dcv = 0;
83
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 255 times.
255 else if (dcv > 2040)
84 dcv = 2040;
85
86
1/2
✓ Branch 0 taken 255 times.
✗ Branch 1 not taken.
255 if (dest_cr)
87
2/2
✓ Branch 0 taken 2040 times.
✓ Branch 1 taken 255 times.
2295 for (y = 0; y < 8; y++) {
88 int x;
89
2/2
✓ Branch 0 taken 16320 times.
✓ Branch 1 taken 2040 times.
18360 for (x = 0; x < 8; x++) {
90 16320 dest_cb[x + y * linesize[1]] = dcu / 8;
91 16320 dest_cr[x + y * linesize[2]] = dcv / 8;
92 }
93 }
94 255 }
95
96 30 static void filter181(int16_t *data, int width, int height, ptrdiff_t stride)
97 {
98 int x, y;
99
100 /* horizontal filter */
101
2/2
✓ Branch 0 taken 1014 times.
✓ Branch 1 taken 30 times.
1044 for (y = 1; y < height - 1; y++) {
102 1014 int prev_dc = data[0 + y * stride];
103
104
2/2
✓ Branch 0 taken 42476 times.
✓ Branch 1 taken 1014 times.
43490 for (x = 1; x < width - 1; x++) {
105 int dc;
106 42476 dc = -prev_dc +
107 42476 data[x + y * stride] * 8 -
108 42476 data[x + 1 + y * stride];
109 42476 dc = (av_clip(dc, INT_MIN/10923, INT_MAX/10923 - 32768) * 10923 + 32768) >> 16;
110 42476 prev_dc = data[x + y * stride];
111 42476 data[x + y * stride] = dc;
112 }
113 }
114
115 /* vertical filter */
116
2/2
✓ Branch 0 taken 1256 times.
✓ Branch 1 taken 30 times.
1286 for (x = 1; x < width - 1; x++) {
117 1256 int prev_dc = data[x];
118
119
2/2
✓ Branch 0 taken 42476 times.
✓ Branch 1 taken 1256 times.
43732 for (y = 1; y < height - 1; y++) {
120 int dc;
121
122 42476 dc = -prev_dc +
123 42476 data[x + y * stride] * 8 -
124 42476 data[x + (y + 1) * stride];
125 42476 dc = (av_clip(dc, INT_MIN/10923, INT_MAX/10923 - 32768) * 10923 + 32768) >> 16;
126 42476 prev_dc = data[x + y * stride];
127 42476 data[x + y * stride] = dc;
128 }
129 }
130 30 }
131
132 /**
133 * guess the dc of blocks which do not have an undamaged dc
134 * @param w width in 8 pixel blocks
135 * @param h height in 8 pixel blocks
136 */
137 90 static void guess_dc(ERContext *s, int16_t *dc, int w,
138 int h, ptrdiff_t stride, int is_luma)
139 {
140 int b_x, b_y;
141 90 int16_t (*col )[4] = av_malloc_array(stride, h*sizeof( int16_t)*4);
142 90 uint32_t (*dist)[4] = av_malloc_array(stride, h*sizeof(uint32_t)*4);
143
144
2/4
✓ Branch 0 taken 90 times.
✗ Branch 1 not taken.
✗ Branch 2 not taken.
✓ Branch 3 taken 90 times.
90 if(!col || !dist) {
145 av_log(s->avctx, AV_LOG_ERROR, "guess_dc() is out of memory\n");
146 goto fail;
147 }
148
149
2/2
✓ Branch 0 taken 2148 times.
✓ Branch 1 taken 90 times.
2238 for(b_y=0; b_y<h; b_y++){
150 2148 int color= 1024;
151 2148 int distance= -1;
152
2/2
✓ Branch 0 taken 70704 times.
✓ Branch 1 taken 2148 times.
72852 for(b_x=0; b_x<w; b_x++){
153 70704 int mb_index_j= (b_x>>is_luma) + (b_y>>is_luma)*s->mb_stride;
154 70704 int error_j= s->error_status_table[mb_index_j];
155 70704 int intra_j = IS_INTRA(s->cur_pic.mb_type[mb_index_j]);
156
4/4
✓ Branch 0 taken 24930 times.
✓ Branch 1 taken 45774 times.
✓ Branch 2 taken 23400 times.
✓ Branch 3 taken 1530 times.
70704 if(intra_j==0 || !(error_j&ER_DC_ERROR)){
157 69174 color= dc[b_x + b_y*stride];
158 69174 distance= b_x;
159 }
160 70704 col [b_x + b_y*stride][1]= color;
161
2/2
✓ Branch 0 taken 69498 times.
✓ Branch 1 taken 1206 times.
70704 dist[b_x + b_y*stride][1]= distance >= 0 ? b_x-distance : 9999;
162 }
163 2148 color= 1024;
164 2148 distance= -1;
165
2/2
✓ Branch 0 taken 70704 times.
✓ Branch 1 taken 2148 times.
72852 for(b_x=w-1; b_x>=0; b_x--){
166 70704 int mb_index_j= (b_x>>is_luma) + (b_y>>is_luma)*s->mb_stride;
167 70704 int error_j= s->error_status_table[mb_index_j];
168 70704 int intra_j = IS_INTRA(s->cur_pic.mb_type[mb_index_j]);
169
4/4
✓ Branch 0 taken 24930 times.
✓ Branch 1 taken 45774 times.
✓ Branch 2 taken 23400 times.
✓ Branch 3 taken 1530 times.
70704 if(intra_j==0 || !(error_j&ER_DC_ERROR)){
170 69174 color= dc[b_x + b_y*stride];
171 69174 distance= b_x;
172 }
173 70704 col [b_x + b_y*stride][0]= color;
174
2/2
✓ Branch 0 taken 69240 times.
✓ Branch 1 taken 1464 times.
70704 dist[b_x + b_y*stride][0]= distance >= 0 ? distance-b_x : 9999;
175 }
176 }
177
2/2
✓ Branch 0 taken 2632 times.
✓ Branch 1 taken 90 times.
2722 for(b_x=0; b_x<w; b_x++){
178 2632 int color= 1024;
179 2632 int distance= -1;
180
2/2
✓ Branch 0 taken 70704 times.
✓ Branch 1 taken 2632 times.
73336 for(b_y=0; b_y<h; b_y++){
181 70704 int mb_index_j= (b_x>>is_luma) + (b_y>>is_luma)*s->mb_stride;
182 70704 int error_j= s->error_status_table[mb_index_j];
183 70704 int intra_j = IS_INTRA(s->cur_pic.mb_type[mb_index_j]);
184
4/4
✓ Branch 0 taken 24930 times.
✓ Branch 1 taken 45774 times.
✓ Branch 2 taken 23400 times.
✓ Branch 3 taken 1530 times.
70704 if(intra_j==0 || !(error_j&ER_DC_ERROR)){
185 69174 color= dc[b_x + b_y*stride];
186 69174 distance= b_y;
187 }
188 70704 col [b_x + b_y*stride][3]= color;
189
1/2
✓ Branch 0 taken 70704 times.
✗ Branch 1 not taken.
70704 dist[b_x + b_y*stride][3]= distance >= 0 ? b_y-distance : 9999;
190 }
191 2632 color= 1024;
192 2632 distance= -1;
193
2/2
✓ Branch 0 taken 70704 times.
✓ Branch 1 taken 2632 times.
73336 for(b_y=h-1; b_y>=0; b_y--){
194 70704 int mb_index_j= (b_x>>is_luma) + (b_y>>is_luma)*s->mb_stride;
195 70704 int error_j= s->error_status_table[mb_index_j];
196 70704 int intra_j = IS_INTRA(s->cur_pic.mb_type[mb_index_j]);
197
4/4
✓ Branch 0 taken 24930 times.
✓ Branch 1 taken 45774 times.
✓ Branch 2 taken 23400 times.
✓ Branch 3 taken 1530 times.
70704 if(intra_j==0 || !(error_j&ER_DC_ERROR)){
198 69174 color= dc[b_x + b_y*stride];
199 69174 distance= b_y;
200 }
201 70704 col [b_x + b_y*stride][2]= color;
202
2/2
✓ Branch 0 taken 70110 times.
✓ Branch 1 taken 594 times.
70704 dist[b_x + b_y*stride][2]= distance >= 0 ? distance-b_y : 9999;
203 }
204 }
205
206
2/2
✓ Branch 0 taken 2148 times.
✓ Branch 1 taken 90 times.
2238 for (b_y = 0; b_y < h; b_y++) {
207
2/2
✓ Branch 0 taken 70704 times.
✓ Branch 1 taken 2148 times.
72852 for (b_x = 0; b_x < w; b_x++) {
208 int mb_index, error, j;
209 int64_t guess, weight_sum;
210 70704 mb_index = (b_x >> is_luma) + (b_y >> is_luma) * s->mb_stride;
211 70704 error = s->error_status_table[mb_index];
212
213
2/2
✓ Branch 0 taken 45774 times.
✓ Branch 1 taken 24930 times.
70704 if (IS_INTER(s->cur_pic.mb_type[mb_index]))
214 45774 continue; // inter
215
2/2
✓ Branch 0 taken 23400 times.
✓ Branch 1 taken 1530 times.
24930 if (!(error & ER_DC_ERROR))
216 23400 continue; // dc-ok
217
218 1530 weight_sum = 0;
219 1530 guess = 0;
220
2/2
✓ Branch 0 taken 6120 times.
✓ Branch 1 taken 1530 times.
7650 for (j = 0; j < 4; j++) {
221 6120 int64_t weight = 256 * 256 * 256 * 16 / FFMAX(dist[b_x + b_y*stride][j], 1);
222 6120 guess += weight*(int64_t)col[b_x + b_y*stride][j];
223 6120 weight_sum += weight;
224 }
225 1530 guess = (guess + weight_sum / 2) / weight_sum;
226 1530 dc[b_x + b_y * stride] = guess;
227 }
228 }
229
230 90 fail:
231 90 av_freep(&col);
232 90 av_freep(&dist);
233 90 }
234
235 /**
236 * simple horizontal deblocking filter used for error resilience
237 * @param w width in 8 pixel blocks
238 * @param h height in 8 pixel blocks
239 */
240 90 static void h_block_filter(ERContext *s, uint8_t *dst, int w,
241 int h, ptrdiff_t stride, int is_luma)
242 {
243 int b_x, b_y;
244 ptrdiff_t mvx_stride, mvy_stride;
245 90 const uint8_t *cm = ff_crop_tab + MAX_NEG_CROP;
246 90 set_mv_strides(s, &mvx_stride, &mvy_stride);
247 90 mvx_stride >>= is_luma;
248 90 mvy_stride *= mvx_stride;
249
250
2/2
✓ Branch 0 taken 2148 times.
✓ Branch 1 taken 90 times.
2238 for (b_y = 0; b_y < h; b_y++) {
251
2/2
✓ Branch 0 taken 68556 times.
✓ Branch 1 taken 2148 times.
70704 for (b_x = 0; b_x < w - 1; b_x++) {
252 int y;
253 68556 int left_status = s->error_status_table[( b_x >> is_luma) + (b_y >> is_luma) * s->mb_stride];
254 68556 int right_status = s->error_status_table[((b_x + 1) >> is_luma) + (b_y >> is_luma) * s->mb_stride];
255 68556 int left_intra = IS_INTRA(s->cur_pic.mb_type[( b_x >> is_luma) + (b_y >> is_luma) * s->mb_stride]);
256 68556 int right_intra = IS_INTRA(s->cur_pic.mb_type[((b_x + 1) >> is_luma) + (b_y >> is_luma) * s->mb_stride]);
257 68556 int left_damage = left_status & ER_MB_ERROR;
258 68556 int right_damage = right_status & ER_MB_ERROR;
259 68556 int offset = b_x * 8 + b_y * stride * 8;
260 68556 int16_t *left_mv = s->cur_pic.motion_val[0][mvy_stride * b_y + mvx_stride * b_x];
261 68556 int16_t *right_mv = s->cur_pic.motion_val[0][mvy_stride * b_y + mvx_stride * (b_x + 1)];
262
4/4
✓ Branch 0 taken 49462 times.
✓ Branch 1 taken 19094 times.
✓ Branch 2 taken 49350 times.
✓ Branch 3 taken 112 times.
68556 if (!(left_damage || right_damage))
263 49350 continue; // both undamaged
264
4/4
✓ Branch 0 taken 17692 times.
✓ Branch 1 taken 1514 times.
✓ Branch 2 taken 17664 times.
✓ Branch 3 taken 28 times.
19206 if ((!left_intra) && (!right_intra) &&
265 17664 FFABS(left_mv[0] - right_mv[0]) +
266
2/2
✓ Branch 0 taken 2456 times.
✓ Branch 1 taken 15208 times.
17664 FFABS(left_mv[1] + right_mv[1]) < 2)
267 2456 continue;
268
269
2/2
✓ Branch 0 taken 134000 times.
✓ Branch 1 taken 16750 times.
150750 for (y = 0; y < 8; y++) {
270 int a, b, c, d;
271
272 134000 a = dst[offset + 7 + y * stride] - dst[offset + 6 + y * stride];
273 134000 b = dst[offset + 8 + y * stride] - dst[offset + 7 + y * stride];
274 134000 c = dst[offset + 9 + y * stride] - dst[offset + 8 + y * stride];
275
276 134000 d = FFABS(b) - ((FFABS(a) + FFABS(c) + 1) >> 1);
277 134000 d = FFMAX(d, 0);
278
2/2
✓ Branch 0 taken 48880 times.
✓ Branch 1 taken 85120 times.
134000 if (b < 0)
279 48880 d = -d;
280
281
2/2
✓ Branch 0 taken 83771 times.
✓ Branch 1 taken 50229 times.
134000 if (d == 0)
282 83771 continue;
283
284
4/4
✓ Branch 0 taken 49860 times.
✓ Branch 1 taken 369 times.
✓ Branch 2 taken 472 times.
✓ Branch 3 taken 49388 times.
50229 if (!(left_damage && right_damage))
285 841 d = d * 16 / 9;
286
287
2/2
✓ Branch 0 taken 49860 times.
✓ Branch 1 taken 369 times.
50229 if (left_damage) {
288 49860 dst[offset + 7 + y * stride] = cm[dst[offset + 7 + y * stride] + ((d * 7) >> 4)];
289 49860 dst[offset + 6 + y * stride] = cm[dst[offset + 6 + y * stride] + ((d * 5) >> 4)];
290 49860 dst[offset + 5 + y * stride] = cm[dst[offset + 5 + y * stride] + ((d * 3) >> 4)];
291 49860 dst[offset + 4 + y * stride] = cm[dst[offset + 4 + y * stride] + ((d * 1) >> 4)];
292 }
293
2/2
✓ Branch 0 taken 49757 times.
✓ Branch 1 taken 472 times.
50229 if (right_damage) {
294 49757 dst[offset + 8 + y * stride] = cm[dst[offset + 8 + y * stride] - ((d * 7) >> 4)];
295 49757 dst[offset + 9 + y * stride] = cm[dst[offset + 9 + y * stride] - ((d * 5) >> 4)];
296 49757 dst[offset + 10+ y * stride] = cm[dst[offset + 10 + y * stride] - ((d * 3) >> 4)];
297 49757 dst[offset + 11+ y * stride] = cm[dst[offset + 11 + y * stride] - ((d * 1) >> 4)];
298 }
299 }
300 }
301 }
302 90 }
303
304 /**
305 * simple vertical deblocking filter used for error resilience
306 * @param w width in 8 pixel blocks
307 * @param h height in 8 pixel blocks
308 */
309 90 static void v_block_filter(ERContext *s, uint8_t *dst, int w, int h,
310 ptrdiff_t stride, int is_luma)
311 {
312 int b_x, b_y;
313 ptrdiff_t mvx_stride, mvy_stride;
314 90 const uint8_t *cm = ff_crop_tab + MAX_NEG_CROP;
315 90 set_mv_strides(s, &mvx_stride, &mvy_stride);
316 90 mvx_stride >>= is_luma;
317 90 mvy_stride *= mvx_stride;
318
319
2/2
✓ Branch 0 taken 2058 times.
✓ Branch 1 taken 90 times.
2148 for (b_y = 0; b_y < h - 1; b_y++) {
320
2/2
✓ Branch 0 taken 68072 times.
✓ Branch 1 taken 2058 times.
70130 for (b_x = 0; b_x < w; b_x++) {
321 int x;
322 68072 int top_status = s->error_status_table[(b_x >> is_luma) + (b_y >> is_luma) * s->mb_stride];
323 68072 int bottom_status = s->error_status_table[(b_x >> is_luma) + ((b_y + 1) >> is_luma) * s->mb_stride];
324 68072 int top_intra = IS_INTRA(s->cur_pic.mb_type[(b_x >> is_luma) + ( b_y >> is_luma) * s->mb_stride]);
325 68072 int bottom_intra = IS_INTRA(s->cur_pic.mb_type[(b_x >> is_luma) + ((b_y + 1) >> is_luma) * s->mb_stride]);
326 68072 int top_damage = top_status & ER_MB_ERROR;
327 68072 int bottom_damage = bottom_status & ER_MB_ERROR;
328 68072 int offset = b_x * 8 + b_y * stride * 8;
329
330 68072 int16_t *top_mv = s->cur_pic.motion_val[0][mvy_stride * b_y + mvx_stride * b_x];
331 68072 int16_t *bottom_mv = s->cur_pic.motion_val[0][mvy_stride * (b_y + 1) + mvx_stride * b_x];
332
333
4/4
✓ Branch 0 taken 48602 times.
✓ Branch 1 taken 19470 times.
✓ Branch 2 taken 45970 times.
✓ Branch 3 taken 2632 times.
68072 if (!(top_damage || bottom_damage))
334 45970 continue; // both undamaged
335
336
4/4
✓ Branch 0 taken 19600 times.
✓ Branch 1 taken 2502 times.
✓ Branch 2 taken 18868 times.
✓ Branch 3 taken 732 times.
22102 if ((!top_intra) && (!bottom_intra) &&
337 18868 FFABS(top_mv[0] - bottom_mv[0]) +
338
2/2
✓ Branch 0 taken 2528 times.
✓ Branch 1 taken 16340 times.
18868 FFABS(top_mv[1] + bottom_mv[1]) < 2)
339 2528 continue;
340
341
2/2
✓ Branch 0 taken 156592 times.
✓ Branch 1 taken 19574 times.
176166 for (x = 0; x < 8; x++) {
342 int a, b, c, d;
343
344 156592 a = dst[offset + x + 7 * stride] - dst[offset + x + 6 * stride];
345 156592 b = dst[offset + x + 8 * stride] - dst[offset + x + 7 * stride];
346 156592 c = dst[offset + x + 9 * stride] - dst[offset + x + 8 * stride];
347
348 156592 d = FFABS(b) - ((FFABS(a) + FFABS(c) + 1) >> 1);
349 156592 d = FFMAX(d, 0);
350
2/2
✓ Branch 0 taken 61844 times.
✓ Branch 1 taken 94748 times.
156592 if (b < 0)
351 61844 d = -d;
352
353
2/2
✓ Branch 0 taken 92946 times.
✓ Branch 1 taken 63646 times.
156592 if (d == 0)
354 92946 continue;
355
356
4/4
✓ Branch 0 taken 54076 times.
✓ Branch 1 taken 9570 times.
✓ Branch 2 taken 9135 times.
✓ Branch 3 taken 44941 times.
63646 if (!(top_damage && bottom_damage))
357 18705 d = d * 16 / 9;
358
359
2/2
✓ Branch 0 taken 54076 times.
✓ Branch 1 taken 9570 times.
63646 if (top_damage) {
360 54076 dst[offset + x + 7 * stride] = cm[dst[offset + x + 7 * stride] + ((d * 7) >> 4)];
361 54076 dst[offset + x + 6 * stride] = cm[dst[offset + x + 6 * stride] + ((d * 5) >> 4)];
362 54076 dst[offset + x + 5 * stride] = cm[dst[offset + x + 5 * stride] + ((d * 3) >> 4)];
363 54076 dst[offset + x + 4 * stride] = cm[dst[offset + x + 4 * stride] + ((d * 1) >> 4)];
364 }
365
2/2
✓ Branch 0 taken 54511 times.
✓ Branch 1 taken 9135 times.
63646 if (bottom_damage) {
366 54511 dst[offset + x + 8 * stride] = cm[dst[offset + x + 8 * stride] - ((d * 7) >> 4)];
367 54511 dst[offset + x + 9 * stride] = cm[dst[offset + x + 9 * stride] - ((d * 5) >> 4)];
368 54511 dst[offset + x + 10 * stride] = cm[dst[offset + x + 10 * stride] - ((d * 3) >> 4)];
369 54511 dst[offset + x + 11 * stride] = cm[dst[offset + x + 11 * stride] - ((d * 1) >> 4)];
370 }
371 }
372 }
373 }
374 90 }
375
376 #define MV_FROZEN 8
377 #define MV_CHANGED 4
378 #define MV_UNCHANGED 2
379 #define MV_LISTED 1
380 44746 static av_always_inline void add_blocklist(int (*blocklist)[2], int *blocklist_length, uint8_t *fixed, int mb_x, int mb_y, int mb_xy)
381 {
382
2/2
✓ Branch 0 taken 41720 times.
✓ Branch 1 taken 3026 times.
44746 if (fixed[mb_xy])
383 41720 return;
384 3026 fixed[mb_xy] = MV_LISTED;
385 3026 blocklist[ *blocklist_length ][0] = mb_x;
386 3026 blocklist[(*blocklist_length)++][1] = mb_y;
387 }
388
389 30 static void guess_mv(ERContext *s)
390 {
391 int (*blocklist)[2], (*next_blocklist)[2];
392 uint8_t *fixed;
393 30 const ptrdiff_t mb_stride = s->mb_stride;
394 30 const int mb_width = s->mb_width;
395 30 int mb_height = s->mb_height;
396 int i, depth, num_avail;
397 int mb_x, mb_y;
398 ptrdiff_t mot_step, mot_stride;
399 int blocklist_length, next_blocklist_length;
400
401
3/4
✓ Branch 0 taken 26 times.
✓ Branch 1 taken 4 times.
✓ Branch 2 taken 26 times.
✗ Branch 3 not taken.
30 if (s->last_pic.f && s->last_pic.f->data[0])
402 26 mb_height = FFMIN(mb_height, (s->last_pic.f->height+15)>>4);
403
3/4
✓ Branch 0 taken 29 times.
✓ Branch 1 taken 1 times.
✓ Branch 2 taken 29 times.
✗ Branch 3 not taken.
30 if (s->next_pic.f && s->next_pic.f->data[0])
404 29 mb_height = FFMIN(mb_height, (s->next_pic.f->height+15)>>4);
405
406 30 blocklist = (int (*)[2])s->er_temp_buffer;
407 30 next_blocklist = blocklist + s->mb_stride * s->mb_height;
408 30 fixed = (uint8_t *)(next_blocklist + s->mb_stride * s->mb_height);
409
410 30 set_mv_strides(s, &mot_step, &mot_stride);
411
412 30 num_avail = 0;
413
2/2
✓ Branch 0 taken 26 times.
✓ Branch 1 taken 4 times.
30 if (s->last_pic.motion_val[0])
414 26 ff_thread_await_progress(s->last_pic.tf, mb_height-1, 0);
415
2/2
✓ Branch 0 taken 11784 times.
✓ Branch 1 taken 30 times.
11814 for (i = 0; i < mb_width * mb_height; i++) {
416 11784 const int mb_xy = s->mb_index2xy[i];
417 11784 int f = 0;
418 11784 int error = s->error_status_table[mb_xy];
419
420
2/2
✓ Branch 0 taken 4155 times.
✓ Branch 1 taken 7629 times.
11784 if (IS_INTRA(s->cur_pic.mb_type[mb_xy]))
421 4155 f = MV_FROZEN; // intra // FIXME check
422
2/2
✓ Branch 0 taken 8503 times.
✓ Branch 1 taken 3281 times.
11784 if (!(error & ER_MV_ERROR))
423 8503 f = MV_FROZEN; // inter with undamaged MV
424
425 11784 fixed[mb_xy] = f;
426
2/2
✓ Branch 0 taken 8758 times.
✓ Branch 1 taken 3026 times.
11784 if (f == MV_FROZEN)
427 8758 num_avail++;
428
2/4
✓ Branch 0 taken 3026 times.
✗ Branch 1 not taken.
✓ Branch 2 taken 3026 times.
✗ Branch 3 not taken.
3026 else if(s->last_pic.f->data[0] && s->last_pic.motion_val[0]){
429 3026 const int mb_y= mb_xy / s->mb_stride;
430 3026 const int mb_x= mb_xy % s->mb_stride;
431 3026 const int mot_index= (mb_x + mb_y*mot_stride) * mot_step;
432 3026 s->cur_pic.motion_val[0][mot_index][0]= s->last_pic.motion_val[0][mot_index][0];
433 3026 s->cur_pic.motion_val[0][mot_index][1]= s->last_pic.motion_val[0][mot_index][1];
434 3026 s->cur_pic.ref_index[0][4*mb_xy] = s->last_pic.ref_index[0][4*mb_xy];
435 }
436 }
437
438
1/2
✓ Branch 0 taken 30 times.
✗ Branch 1 not taken.
30 if ((!(s->avctx->error_concealment&FF_EC_GUESS_MVS)) ||
439
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 30 times.
30 num_avail <= FFMAX(mb_width, mb_height) / 2) {
440 for (mb_y = 0; mb_y < mb_height; mb_y++) {
441 for (mb_x = 0; mb_x < s->mb_width; mb_x++) {
442 const int mb_xy = mb_x + mb_y * s->mb_stride;
443 int mv_dir = (s->last_pic.f && s->last_pic.f->data[0]) ? MV_DIR_FORWARD : MV_DIR_BACKWARD;
444
445 if (IS_INTRA(s->cur_pic.mb_type[mb_xy]))
446 continue;
447 if (!(s->error_status_table[mb_xy] & ER_MV_ERROR))
448 continue;
449
450 s->mv[0][0][0] = 0;
451 s->mv[0][0][1] = 0;
452 s->decode_mb(s->opaque, 0, mv_dir, MV_TYPE_16X16, &s->mv,
453 mb_x, mb_y, 0, 0);
454 }
455 }
456 return;
457 }
458
459 30 blocklist_length = 0;
460
2/2
✓ Branch 0 taken 537 times.
✓ Branch 1 taken 30 times.
567 for (mb_y = 0; mb_y < mb_height; mb_y++) {
461
2/2
✓ Branch 0 taken 11784 times.
✓ Branch 1 taken 537 times.
12321 for (mb_x = 0; mb_x < mb_width; mb_x++) {
462 11784 const int mb_xy = mb_x + mb_y * mb_stride;
463
2/2
✓ Branch 0 taken 8758 times.
✓ Branch 1 taken 3026 times.
11784 if (fixed[mb_xy] == MV_FROZEN) {
464
2/2
✓ Branch 0 taken 8357 times.
✓ Branch 1 taken 401 times.
8758 if (mb_x) add_blocklist(blocklist, &blocklist_length, fixed, mb_x - 1, mb_y, mb_xy - 1);
465
2/2
✓ Branch 0 taken 8100 times.
✓ Branch 1 taken 658 times.
8758 if (mb_y) add_blocklist(blocklist, &blocklist_length, fixed, mb_x, mb_y - 1, mb_xy - mb_stride);
466
2/2
✓ Branch 0 taken 8356 times.
✓ Branch 1 taken 402 times.
8758 if (mb_x+1 < mb_width) add_blocklist(blocklist, &blocklist_length, fixed, mb_x + 1, mb_y, mb_xy + 1);
467
2/2
✓ Branch 0 taken 8134 times.
✓ Branch 1 taken 624 times.
8758 if (mb_y+1 < mb_height) add_blocklist(blocklist, &blocklist_length, fixed, mb_x, mb_y + 1, mb_xy + mb_stride);
468 }
469 }
470 }
471
472 30 for (depth = 0; ; depth++) {
473 int changed, pass, none_left;
474 int blocklist_index;
475
476 118 none_left = 1;
477 118 changed = 1;
478
6/6
✓ Branch 0 taken 146 times.
✓ Branch 1 taken 593 times.
✓ Branch 2 taken 31 times.
✓ Branch 3 taken 115 times.
✓ Branch 4 taken 621 times.
✓ Branch 5 taken 3 times.
739 for (pass = 0; (changed || pass < 2) && pass < 10; pass++) {
479 621 int score_sum = 0;
480
481 621 changed = 0;
482
2/2
✓ Branch 0 taken 20762 times.
✓ Branch 1 taken 621 times.
21383 for (blocklist_index = 0; blocklist_index < blocklist_length; blocklist_index++) {
483 20762 const int mb_x = blocklist[blocklist_index][0];
484 20762 const int mb_y = blocklist[blocklist_index][1];
485 20762 const int mb_xy = mb_x + mb_y * mb_stride;
486 int mv_predictor[8][2];
487 int ref[8];
488 int pred_count;
489 int j;
490 int best_score;
491 int best_pred;
492 int mot_index;
493 int prev_x, prev_y, prev_ref;
494
495
2/2
✓ Branch 0 taken 10387 times.
✓ Branch 1 taken 10375 times.
20762 if ((mb_x ^ mb_y ^ pass) & 1)
496 12859 continue;
497 av_assert2(fixed[mb_xy] != MV_FROZEN);
498
499
500 av_assert1(!IS_INTRA(s->cur_pic.mb_type[mb_xy]));
501 av_assert1(s->last_pic.f && s->last_pic.f->data[0]);
502
503 10375 j = 0;
504
2/2
✓ Branch 0 taken 9916 times.
✓ Branch 1 taken 459 times.
10375 if (mb_x > 0)
505 9916 j |= fixed[mb_xy - 1];
506
2/2
✓ Branch 0 taken 9913 times.
✓ Branch 1 taken 462 times.
10375 if (mb_x + 1 < mb_width)
507 9913 j |= fixed[mb_xy + 1];
508
1/2
✓ Branch 0 taken 10375 times.
✗ Branch 1 not taken.
10375 if (mb_y > 0)
509 10375 j |= fixed[mb_xy - mb_stride];
510
2/2
✓ Branch 0 taken 10292 times.
✓ Branch 1 taken 83 times.
10375 if (mb_y + 1 < mb_height)
511 10292 j |= fixed[mb_xy + mb_stride];
512
513 av_assert2(j & MV_FROZEN);
514
515
4/4
✓ Branch 0 taken 4291 times.
✓ Branch 1 taken 6084 times.
✓ Branch 2 taken 2472 times.
✓ Branch 3 taken 1819 times.
10375 if (!(j & MV_CHANGED) && pass > 1)
516 2472 continue;
517
518 7903 none_left = 0;
519 7903 pred_count = 0;
520 7903 mot_index = (mb_x + mb_y * mot_stride) * mot_step;
521
522
4/4
✓ Branch 0 taken 7631 times.
✓ Branch 1 taken 272 times.
✓ Branch 2 taken 6124 times.
✓ Branch 3 taken 1507 times.
7903 if (mb_x > 0 && fixed[mb_xy - 1] > 1) {
523 6124 mv_predictor[pred_count][0] =
524 6124 s->cur_pic.motion_val[0][mot_index - mot_step][0];
525 6124 mv_predictor[pred_count][1] =
526 6124 s->cur_pic.motion_val[0][mot_index - mot_step][1];
527 6124 ref[pred_count] =
528 6124 s->cur_pic.ref_index[0][4 * (mb_xy - 1)];
529 6124 pred_count++;
530 }
531
4/4
✓ Branch 0 taken 7625 times.
✓ Branch 1 taken 278 times.
✓ Branch 2 taken 6137 times.
✓ Branch 3 taken 1488 times.
7903 if (mb_x + 1 < mb_width && fixed[mb_xy + 1] > 1) {
532 6137 mv_predictor[pred_count][0] =
533 6137 s->cur_pic.motion_val[0][mot_index + mot_step][0];
534 6137 mv_predictor[pred_count][1] =
535 6137 s->cur_pic.motion_val[0][mot_index + mot_step][1];
536 6137 ref[pred_count] =
537 6137 s->cur_pic.ref_index[0][4 * (mb_xy + 1)];
538 6137 pred_count++;
539 }
540
3/4
✓ Branch 0 taken 7903 times.
✗ Branch 1 not taken.
✓ Branch 2 taken 5118 times.
✓ Branch 3 taken 2785 times.
7903 if (mb_y > 0 && fixed[mb_xy - mb_stride] > 1) {
541 5118 mv_predictor[pred_count][0] =
542 5118 s->cur_pic.motion_val[0][mot_index - mot_stride * mot_step][0];
543 5118 mv_predictor[pred_count][1] =
544 5118 s->cur_pic.motion_val[0][mot_index - mot_stride * mot_step][1];
545 5118 ref[pred_count] =
546 5118 s->cur_pic.ref_index[0][4 * (mb_xy - s->mb_stride)];
547 5118 pred_count++;
548 }
549
4/4
✓ Branch 0 taken 7846 times.
✓ Branch 1 taken 57 times.
✓ Branch 2 taken 4796 times.
✓ Branch 3 taken 3050 times.
7903 if (mb_y + 1<mb_height && fixed[mb_xy + mb_stride] > 1) {
550 4796 mv_predictor[pred_count][0] =
551 4796 s->cur_pic.motion_val[0][mot_index + mot_stride * mot_step][0];
552 4796 mv_predictor[pred_count][1] =
553 4796 s->cur_pic.motion_val[0][mot_index + mot_stride * mot_step][1];
554 4796 ref[pred_count] =
555 4796 s->cur_pic.ref_index[0][4 * (mb_xy + s->mb_stride)];
556 4796 pred_count++;
557 }
558
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 7903 times.
7903 if (pred_count == 0)
559 continue;
560
561
2/2
✓ Branch 0 taken 1314 times.
✓ Branch 1 taken 6589 times.
7903 if (pred_count > 1) {
562 6589 int sum_x = 0, sum_y = 0, sum_r = 0;
563 int max_x, max_y, min_x, min_y, max_r, min_r;
564
565
2/2
✓ Branch 0 taken 20861 times.
✓ Branch 1 taken 6589 times.
27450 for (j = 0; j < pred_count; j++) {
566 20861 sum_x += mv_predictor[j][0];
567 20861 sum_y += mv_predictor[j][1];
568 20861 sum_r += ref[j];
569
3/4
✓ Branch 0 taken 14272 times.
✓ Branch 1 taken 6589 times.
✗ Branch 2 not taken.
✓ Branch 3 taken 14272 times.
20861 if (j && ref[j] != ref[j - 1])
570 goto skip_mean_and_median;
571 }
572
573 /* mean */
574 6589 mv_predictor[pred_count][0] = sum_x / j;
575 6589 mv_predictor[pred_count][1] = sum_y / j;
576 6589 ref[pred_count] = sum_r / j;
577
578 /* median */
579
2/2
✓ Branch 0 taken 6014 times.
✓ Branch 1 taken 575 times.
6589 if (pred_count >= 3) {
580 6014 min_y = min_x = min_r = 99999;
581 6014 max_y = max_x = max_r = -99999;
582 } else {
583 575 min_x = min_y = max_x = max_y = min_r = max_r = 0;
584 }
585
2/2
✓ Branch 0 taken 20861 times.
✓ Branch 1 taken 6589 times.
27450 for (j = 0; j < pred_count; j++) {
586 20861 max_x = FFMAX(max_x, mv_predictor[j][0]);
587 20861 max_y = FFMAX(max_y, mv_predictor[j][1]);
588 20861 max_r = FFMAX(max_r, ref[j]);
589 20861 min_x = FFMIN(min_x, mv_predictor[j][0]);
590 20861 min_y = FFMIN(min_y, mv_predictor[j][1]);
591 20861 min_r = FFMIN(min_r, ref[j]);
592 }
593 6589 mv_predictor[pred_count + 1][0] = sum_x - max_x - min_x;
594 6589 mv_predictor[pred_count + 1][1] = sum_y - max_y - min_y;
595 6589 ref[pred_count + 1] = sum_r - max_r - min_r;
596
597
2/2
✓ Branch 0 taken 1669 times.
✓ Branch 1 taken 4920 times.
6589 if (pred_count == 4) {
598 1669 mv_predictor[pred_count + 1][0] /= 2;
599 1669 mv_predictor[pred_count + 1][1] /= 2;
600 1669 ref[pred_count + 1] /= 2;
601 }
602 6589 pred_count += 2;
603 }
604
605 1314 skip_mean_and_median:
606 /* zero MV */
607 7903 mv_predictor[pred_count][0] =
608 7903 mv_predictor[pred_count][1] =
609 7903 ref[pred_count] = 0;
610 7903 pred_count++;
611
612 7903 prev_x = s->cur_pic.motion_val[0][mot_index][0];
613 7903 prev_y = s->cur_pic.motion_val[0][mot_index][1];
614 7903 prev_ref = s->cur_pic.ref_index[0][4 * mb_xy];
615
616 /* last MV */
617 7903 mv_predictor[pred_count][0] = prev_x;
618 7903 mv_predictor[pred_count][1] = prev_y;
619 7903 ref[pred_count] = prev_ref;
620 7903 pred_count++;
621
622 7903 best_pred = 0;
623 7903 best_score = 256 * 256 * 256 * 64;
624
2/2
✓ Branch 0 taken 51159 times.
✓ Branch 1 taken 7903 times.
59062 for (j = 0; j < pred_count; j++) {
625 51159 int *linesize = s->cur_pic.f->linesize;
626 51159 int score = 0;
627 51159 uint8_t *src = s->cur_pic.f->data[0] +
628 51159 mb_x * 16 + mb_y * 16 * linesize[0];
629
630 51159 s->cur_pic.motion_val[0][mot_index][0] =
631 51159 s->mv[0][0][0] = mv_predictor[j][0];
632 51159 s->cur_pic.motion_val[0][mot_index][1] =
633 51159 s->mv[0][0][1] = mv_predictor[j][1];
634
635 // predictor intra or otherwise not available
636
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 51159 times.
51159 if (ref[j] < 0)
637 continue;
638
639 51159 s->decode_mb(s->opaque, ref[j], MV_DIR_FORWARD,
640 MV_TYPE_16X16, &s->mv, mb_x, mb_y, 0, 0);
641
642
4/4
✓ Branch 0 taken 49658 times.
✓ Branch 1 taken 1501 times.
✓ Branch 2 taken 44324 times.
✓ Branch 3 taken 5334 times.
51159 if (mb_x > 0 && fixed[mb_xy - 1] > 1) {
643 int k;
644
2/2
✓ Branch 0 taken 709184 times.
✓ Branch 1 taken 44324 times.
753508 for (k = 0; k < 16; k++)
645 709184 score += FFABS(src[k * linesize[0] - 1] -
646 src[k * linesize[0]]);
647 }
648
4/4
✓ Branch 0 taken 49596 times.
✓ Branch 1 taken 1563 times.
✓ Branch 2 taken 44366 times.
✓ Branch 3 taken 5230 times.
51159 if (mb_x + 1 < mb_width && fixed[mb_xy + 1] > 1) {
649 int k;
650
2/2
✓ Branch 0 taken 709856 times.
✓ Branch 1 taken 44366 times.
754222 for (k = 0; k < 16; k++)
651 709856 score += FFABS(src[k * linesize[0] + 15] -
652 src[k * linesize[0] + 16]);
653 }
654
3/4
✓ Branch 0 taken 51159 times.
✗ Branch 1 not taken.
✓ Branch 2 taken 34381 times.
✓ Branch 3 taken 16778 times.
51159 if (mb_y > 0 && fixed[mb_xy - mb_stride] > 1) {
655 int k;
656
2/2
✓ Branch 0 taken 550096 times.
✓ Branch 1 taken 34381 times.
584477 for (k = 0; k < 16; k++)
657 550096 score += FFABS(src[k - linesize[0]] - src[k]);
658 }
659
4/4
✓ Branch 0 taken 50841 times.
✓ Branch 1 taken 318 times.
✓ Branch 2 taken 32424 times.
✓ Branch 3 taken 18417 times.
51159 if (mb_y + 1 < mb_height && fixed[mb_xy + mb_stride] > 1) {
660 int k;
661
2/2
✓ Branch 0 taken 518784 times.
✓ Branch 1 taken 32424 times.
551208 for (k = 0; k < 16; k++)
662 518784 score += FFABS(src[k + linesize[0] * 15] -
663 src[k + linesize[0] * 16]);
664 }
665
666
2/2
✓ Branch 0 taken 26196 times.
✓ Branch 1 taken 24963 times.
51159 if (score <= best_score) { // <= will favor the last MV
667 26196 best_score = score;
668 26196 best_pred = j;
669 }
670 }
671 7903 score_sum += best_score;
672 7903 s->mv[0][0][0] = mv_predictor[best_pred][0];
673 7903 s->mv[0][0][1] = mv_predictor[best_pred][1];
674
675
2/2
✓ Branch 0 taken 15806 times.
✓ Branch 1 taken 7903 times.
23709 for (i = 0; i < mot_step; i++)
676
2/2
✓ Branch 0 taken 31612 times.
✓ Branch 1 taken 15806 times.
47418 for (j = 0; j < mot_step; j++) {
677 31612 s->cur_pic.motion_val[0][mot_index + i + j * mot_stride][0] = s->mv[0][0][0];
678 31612 s->cur_pic.motion_val[0][mot_index + i + j * mot_stride][1] = s->mv[0][0][1];
679 }
680
681 7903 s->decode_mb(s->opaque, ref[best_pred], MV_DIR_FORWARD,
682 MV_TYPE_16X16, &s->mv, mb_x, mb_y, 0, 0);
683
684
685
4/4
✓ Branch 0 taken 5150 times.
✓ Branch 1 taken 2753 times.
✓ Branch 2 taken 672 times.
✓ Branch 3 taken 4478 times.
7903 if (s->mv[0][0][0] != prev_x || s->mv[0][0][1] != prev_y) {
686 3425 fixed[mb_xy] = MV_CHANGED;
687 3425 changed++;
688 } else
689 4478 fixed[mb_xy] = MV_UNCHANGED;
690 }
691 }
692
693
2/2
✓ Branch 0 taken 30 times.
✓ Branch 1 taken 88 times.
118 if (none_left)
694 30 return;
695
696 88 next_blocklist_length = 0;
697
698
2/2
✓ Branch 0 taken 3026 times.
✓ Branch 1 taken 88 times.
3114 for (blocklist_index = 0; blocklist_index < blocklist_length; blocklist_index++) {
699 3026 const int mb_x = blocklist[blocklist_index][0];
700 3026 const int mb_y = blocklist[blocklist_index][1];
701 3026 const int mb_xy = mb_x + mb_y * mb_stride;
702
703
1/2
✓ Branch 0 taken 3026 times.
✗ Branch 1 not taken.
3026 if (fixed[mb_xy] & (MV_CHANGED|MV_UNCHANGED|MV_FROZEN)) {
704 3026 fixed[mb_xy] = MV_FROZEN;
705
2/2
✓ Branch 0 taken 2890 times.
✓ Branch 1 taken 136 times.
3026 if (mb_x > 0)
706 2890 add_blocklist(next_blocklist, &next_blocklist_length, fixed, mb_x - 1, mb_y, mb_xy - 1);
707
1/2
✓ Branch 0 taken 3026 times.
✗ Branch 1 not taken.
3026 if (mb_y > 0)
708 3026 add_blocklist(next_blocklist, &next_blocklist_length, fixed, mb_x, mb_y - 1, mb_xy - mb_stride);
709
2/2
✓ Branch 0 taken 2891 times.
✓ Branch 1 taken 135 times.
3026 if (mb_x + 1 < mb_width)
710 2891 add_blocklist(next_blocklist, &next_blocklist_length, fixed, mb_x + 1, mb_y, mb_xy + 1);
711
2/2
✓ Branch 0 taken 2992 times.
✓ Branch 1 taken 34 times.
3026 if (mb_y + 1 < mb_height)
712 2992 add_blocklist(next_blocklist, &next_blocklist_length, fixed, mb_x, mb_y + 1, mb_xy + mb_stride);
713 }
714 }
715
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 88 times.
88 av_assert0(next_blocklist_length <= mb_height * mb_width);
716 88 FFSWAP(int , blocklist_length, next_blocklist_length);
717 88 FFSWAP(void*, blocklist, next_blocklist);
718 }
719 }
720
721 30 static int is_intra_more_likely(ERContext *s)
722 {
723 int is_intra_likely, i, j, undamaged_count, skip_amount, mb_x, mb_y;
724
725
3/4
✓ Branch 0 taken 26 times.
✓ Branch 1 taken 4 times.
✗ Branch 2 not taken.
✓ Branch 3 taken 26 times.
30 if (!s->last_pic.f || !s->last_pic.f->data[0])
726 4 return 1; // no previous frame available -> use spatial prediction
727
728
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 26 times.
26 if (s->avctx->error_concealment & FF_EC_FAVOR_INTER)
729 return 0;
730
731 26 undamaged_count = 0;
732
2/2
✓ Branch 0 taken 10296 times.
✓ Branch 1 taken 26 times.
10322 for (i = 0; i < s->mb_num; i++) {
733 10296 const int mb_xy = s->mb_index2xy[i];
734 10296 const int error = s->error_status_table[mb_xy];
735
3/4
✓ Branch 0 taken 3026 times.
✓ Branch 1 taken 7270 times.
✗ Branch 2 not taken.
✓ Branch 3 taken 3026 times.
10296 if (!((error & ER_DC_ERROR) && (error & ER_MV_ERROR)))
736 7270 undamaged_count++;
737 }
738
739
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 26 times.
26 if (undamaged_count < 5)
740 return 0; // almost all MBs damaged -> use temporal prediction
741
742 // prevent dsp.sad() check, that requires access to the image
743 if (CONFIG_XVMC &&
744 s->avctx->hwaccel && s->avctx->hwaccel->decode_mb &&
745 s->cur_pic.f->pict_type == AV_PICTURE_TYPE_I)
746 return 1;
747
748
1/2
✓ Branch 0 taken 26 times.
✗ Branch 1 not taken.
26 skip_amount = FFMAX(undamaged_count / 50, 1); // check only up to 50 MBs
749 26 is_intra_likely = 0;
750
751 26 j = 0;
752
2/2
✓ Branch 0 taken 442 times.
✓ Branch 1 taken 26 times.
468 for (mb_y = 0; mb_y < s->mb_height - 1; mb_y++) {
753
2/2
✓ Branch 0 taken 9724 times.
✓ Branch 1 taken 442 times.
10166 for (mb_x = 0; mb_x < s->mb_width; mb_x++) {
754 int error;
755 9724 const int mb_xy = mb_x + mb_y * s->mb_stride;
756
757 9724 error = s->error_status_table[mb_xy];
758
3/4
✓ Branch 0 taken 2992 times.
✓ Branch 1 taken 6732 times.
✓ Branch 2 taken 2992 times.
✗ Branch 3 not taken.
9724 if ((error & ER_DC_ERROR) && (error & ER_MV_ERROR))
759 2992 continue; // skip damaged
760
761 6732 j++;
762 // skip a few to speed things up
763
2/2
✓ Branch 0 taken 5384 times.
✓ Branch 1 taken 1348 times.
6732 if ((j % skip_amount) != 0)
764 5384 continue;
765
766
2/2
✓ Branch 0 taken 355 times.
✓ Branch 1 taken 993 times.
1348 if (s->cur_pic.f->pict_type == AV_PICTURE_TYPE_I) {
767 355 int *linesize = s->cur_pic.f->linesize;
768 355 uint8_t *mb_ptr = s->cur_pic.f->data[0] +
769 355 mb_x * 16 + mb_y * 16 * linesize[0];
770 355 uint8_t *last_mb_ptr = s->last_pic.f->data[0] +
771 355 mb_x * 16 + mb_y * 16 * linesize[0];
772
773
1/2
✓ Branch 0 taken 355 times.
✗ Branch 1 not taken.
355 if (s->avctx->codec_id == AV_CODEC_ID_H264) {
774 // FIXME
775 } else {
776 355 ff_thread_await_progress(s->last_pic.tf, mb_y, 0);
777 }
778 710 is_intra_likely += s->mecc.sad[0](NULL, last_mb_ptr, mb_ptr,
779 355 linesize[0], 16);
780 // FIXME need await_progress() here
781 355 is_intra_likely -= s->mecc.sad[0](NULL, last_mb_ptr,
782 355 last_mb_ptr + linesize[0] * 16,
783 355 linesize[0], 16);
784 } else {
785
2/2
✓ Branch 0 taken 58 times.
✓ Branch 1 taken 935 times.
993 if (IS_INTRA(s->cur_pic.mb_type[mb_xy]))
786 58 is_intra_likely++;
787 else
788 935 is_intra_likely--;
789 }
790 }
791 }
792 // av_log(NULL, AV_LOG_ERROR, "is_intra_likely: %d type:%d\n", is_intra_likely, s->pict_type);
793 26 return is_intra_likely > 0;
794 }
795
796 33832 void ff_er_frame_start(ERContext *s)
797 {
798
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 33832 times.
33832 if (!s->avctx->error_concealment)
799 return;
800
801
2/2
✓ Branch 0 taken 744 times.
✓ Branch 1 taken 33088 times.
33832 if (!s->mecc_inited) {
802 744 ff_me_cmp_init(&s->mecc, s->avctx);
803 744 s->mecc_inited = 1;
804 }
805
806 33832 memset(s->error_status_table, ER_MB_ERROR | VP_START | ER_MB_END,
807 33832 s->mb_stride * s->mb_height * sizeof(uint8_t));
808 33832 atomic_init(&s->error_count, 3 * s->mb_num);
809 33832 s->error_occurred = 0;
810 }
811
812 113220 static int er_supported(ERContext *s)
813 {
814
1/4
✗ Branch 0 not taken.
✓ Branch 1 taken 113220 times.
✗ Branch 2 not taken.
✗ Branch 3 not taken.
113220 if(s->avctx->hwaccel && s->avctx->hwaccel->decode_slice ||
815
2/2
✓ Branch 0 taken 102683 times.
✓ Branch 1 taken 10537 times.
113220 !s->cur_pic.f ||
816
2/2
✓ Branch 0 taken 14548 times.
✓ Branch 1 taken 88135 times.
102683 s->cur_pic.field_picture
817 )
818 25085 return 0;
819 88135 return 1;
820 }
821
822 /**
823 * Add a slice.
824 * @param endx x component of the last macroblock, can be -1
825 * for the last of the previous line
826 * @param status the status at the end (ER_MV_END, ER_AC_ERROR, ...), it is
827 * assumed that no earlier end or error of the same type occurred
828 */
829 160095 void ff_er_add_slice(ERContext *s, int startx, int starty,
830 int endx, int endy, int status)
831 {
832 160095 const int start_i = av_clip(startx + starty * s->mb_width, 0, s->mb_num - 1);
833 160095 const int end_i = av_clip(endx + endy * s->mb_width, 0, s->mb_num);
834 160095 const int start_xy = s->mb_index2xy[start_i];
835 160095 const int end_xy = s->mb_index2xy[end_i];
836 160095 int mask = -1;
837
838
1/4
✗ Branch 0 not taken.
✓ Branch 1 taken 160095 times.
✗ Branch 2 not taken.
✗ Branch 3 not taken.
160095 if (s->avctx->hwaccel && s->avctx->hwaccel->decode_slice)
839 return;
840
841
2/4
✓ Branch 0 taken 160095 times.
✗ Branch 1 not taken.
✗ Branch 2 not taken.
✓ Branch 3 taken 160095 times.
160095 if (start_i > end_i || start_xy > end_xy) {
842 av_log(s->avctx, AV_LOG_ERROR,
843 "internal error, slice end before start\n");
844 return;
845 }
846
847
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 160095 times.
160095 if (!s->avctx->error_concealment)
848 return;
849
850 160095 mask &= ~VP_START;
851
2/2
✓ Branch 0 taken 157138 times.
✓ Branch 1 taken 2957 times.
160095 if (status & (ER_AC_ERROR | ER_AC_END)) {
852 157138 mask &= ~(ER_AC_ERROR | ER_AC_END);
853 157138 atomic_fetch_add(&s->error_count, start_i - end_i - 1);
854 }
855
2/2
✓ Branch 0 taken 157138 times.
✓ Branch 1 taken 2957 times.
160095 if (status & (ER_DC_ERROR | ER_DC_END)) {
856 157138 mask &= ~(ER_DC_ERROR | ER_DC_END);
857 157138 atomic_fetch_add(&s->error_count, start_i - end_i - 1);
858 }
859
2/2
✓ Branch 0 taken 157138 times.
✓ Branch 1 taken 2957 times.
160095 if (status & (ER_MV_ERROR | ER_MV_END)) {
860 157138 mask &= ~(ER_MV_ERROR | ER_MV_END);
861 157138 atomic_fetch_add(&s->error_count, start_i - end_i - 1);
862 }
863
864
2/2
✓ Branch 0 taken 6 times.
✓ Branch 1 taken 160089 times.
160095 if (status & ER_MB_ERROR) {
865 6 s->error_occurred = 1;
866 6 atomic_store(&s->error_count, INT_MAX);
867 }
868
869
2/2
✓ Branch 0 taken 155410 times.
✓ Branch 1 taken 4685 times.
160095 if (mask == ~0x7F) {
870 155410 memset(&s->error_status_table[start_xy], 0,
871 155410 (end_xy - start_xy) * sizeof(uint8_t));
872 } else {
873 int i;
874
2/2
✓ Branch 0 taken 409448 times.
✓ Branch 1 taken 4685 times.
414133 for (i = start_xy; i < end_xy; i++)
875 409448 s->error_status_table[i] &= mask;
876 }
877
878
2/2
✓ Branch 0 taken 3874 times.
✓ Branch 1 taken 156221 times.
160095 if (end_i == s->mb_num)
879 3874 atomic_store(&s->error_count, INT_MAX);
880 else {
881 156221 s->error_status_table[end_xy] &= mask;
882 156221 s->error_status_table[end_xy] |= status;
883 }
884
885 160095 s->error_status_table[start_xy] |= VP_START;
886
887
6/6
✓ Branch 0 taken 126336 times.
✓ Branch 1 taken 33759 times.
✓ Branch 2 taken 112648 times.
✓ Branch 3 taken 13688 times.
✓ Branch 4 taken 88105 times.
✓ Branch 5 taken 24543 times.
272743 if (start_xy > 0 && !(s->avctx->active_thread_type & FF_THREAD_SLICE) &&
888
1/2
✓ Branch 1 taken 88105 times.
✗ Branch 2 not taken.
200753 er_supported(s) && s->avctx->skip_top * s->mb_width < start_i) {
889 88105 int prev_status = s->error_status_table[s->mb_index2xy[start_i - 1]];
890
891 88105 prev_status &= ~ VP_START;
892
2/2
✓ Branch 0 taken 77 times.
✓ Branch 1 taken 88028 times.
88105 if (prev_status != (ER_MV_END | ER_DC_END | ER_AC_END)) {
893 77 s->error_occurred = 1;
894 77 atomic_store(&s->error_count, INT_MAX);
895 }
896 }
897 }
898
899 29413 void ff_er_frame_end(ERContext *s)
900 {
901 29413 int *linesize = NULL;
902 int i, mb_x, mb_y, error, error_type, dc_error, mv_error, ac_error;
903 int distance;
904 29413 int threshold_part[4] = { 100, 100, 100 };
905 29413 int threshold = 50;
906 int is_intra_likely;
907 29413 int size = s->b8_stride * 2 * s->mb_height;
908
909 /* We do not support ER of field pictures yet,
910 * though it should not crash if enabled. */
911
3/4
✓ Branch 0 taken 29413 times.
✗ Branch 1 not taken.
✓ Branch 2 taken 572 times.
✓ Branch 3 taken 28841 times.
29413 if (!s->avctx->error_concealment || !atomic_load(&s->error_count) ||
912
3/4
✓ Branch 0 taken 572 times.
✗ Branch 1 not taken.
✓ Branch 2 taken 30 times.
✓ Branch 3 taken 542 times.
1144 s->avctx->lowres ||
913 572 !er_supported(s) ||
914 30 atomic_load(&s->error_count) == 3 * s->mb_width *
915
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 30 times.
30 (s->avctx->skip_top + s->avctx->skip_bottom)) {
916 29383 return;
917 }
918 30 linesize = s->cur_pic.f->linesize;
919
920
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 30 times.
30 if ( s->avctx->codec_id == AV_CODEC_ID_MPEG2VIDEO
921 && (FFALIGN(s->avctx->height, 16)&16)
922 && atomic_load(&s->error_count) == 3 * s->mb_width * (s->avctx->skip_top + s->avctx->skip_bottom + 1)) {
923 for (mb_x = 0; mb_x < s->mb_width; mb_x++) {
924 int status = s->error_status_table[mb_x + (s->mb_height - 1) * s->mb_stride];
925 if (status != 0x7F)
926 break;
927 }
928
929 if (mb_x == s->mb_width) {
930 av_log(s->avctx, AV_LOG_DEBUG, "ignoring last missing slice\n");
931 return;
932 }
933 }
934
935
2/2
✓ Branch 0 taken 26 times.
✓ Branch 1 taken 4 times.
30 if (s->last_pic.f) {
936
1/2
✓ Branch 0 taken 26 times.
✗ Branch 1 not taken.
26 if (s->last_pic.f->width != s->cur_pic.f->width ||
937
1/2
✓ Branch 0 taken 26 times.
✗ Branch 1 not taken.
26 s->last_pic.f->height != s->cur_pic.f->height ||
938
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 26 times.
26 s->last_pic.f->format != s->cur_pic.f->format) {
939 av_log(s->avctx, AV_LOG_WARNING, "Cannot use previous picture in error concealment\n");
940 memset(&s->last_pic, 0, sizeof(s->last_pic));
941 }
942 }
943
2/2
✓ Branch 0 taken 29 times.
✓ Branch 1 taken 1 times.
30 if (s->next_pic.f) {
944
1/2
✓ Branch 0 taken 29 times.
✗ Branch 1 not taken.
29 if (s->next_pic.f->width != s->cur_pic.f->width ||
945
1/2
✓ Branch 0 taken 29 times.
✗ Branch 1 not taken.
29 s->next_pic.f->height != s->cur_pic.f->height ||
946
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 29 times.
29 s->next_pic.f->format != s->cur_pic.f->format) {
947 av_log(s->avctx, AV_LOG_WARNING, "Cannot use next picture in error concealment\n");
948 memset(&s->next_pic, 0, sizeof(s->next_pic));
949 }
950 }
951
952
2/4
✓ Branch 0 taken 30 times.
✗ Branch 1 not taken.
✗ Branch 2 not taken.
✓ Branch 3 taken 30 times.
30 if (!s->cur_pic.motion_val[0] || !s->cur_pic.ref_index[0]) {
953 av_log(s->avctx, AV_LOG_ERROR, "Warning MVs not available\n");
954
955 for (i = 0; i < 2; i++) {
956 s->ref_index_buf[i] = av_buffer_allocz(s->mb_stride * s->mb_height * 4 * sizeof(uint8_t));
957 s->motion_val_buf[i] = av_buffer_allocz((size + 4) * 2 * sizeof(uint16_t));
958 if (!s->ref_index_buf[i] || !s->motion_val_buf[i])
959 break;
960 s->cur_pic.ref_index[i] = s->ref_index_buf[i]->data;
961 s->cur_pic.motion_val[i] = (int16_t (*)[2])s->motion_val_buf[i]->data + 4;
962 }
963 if (i < 2) {
964 for (i = 0; i < 2; i++) {
965 av_buffer_unref(&s->ref_index_buf[i]);
966 av_buffer_unref(&s->motion_val_buf[i]);
967 s->cur_pic.ref_index[i] = NULL;
968 s->cur_pic.motion_val[i] = NULL;
969 }
970 return;
971 }
972 }
973
974
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 30 times.
30 if (s->avctx->debug & FF_DEBUG_ER) {
975 for (mb_y = 0; mb_y < s->mb_height; mb_y++) {
976 for (mb_x = 0; mb_x < s->mb_width; mb_x++) {
977 int status = s->error_status_table[mb_x + mb_y * s->mb_stride];
978
979 av_log(s->avctx, AV_LOG_DEBUG, "%2X ", status);
980 }
981 av_log(s->avctx, AV_LOG_DEBUG, "\n");
982 }
983 }
984
985 #if 1
986 /* handle overlapping slices */
987
2/2
✓ Branch 0 taken 90 times.
✓ Branch 1 taken 30 times.
120 for (error_type = 1; error_type <= 3; error_type++) {
988 90 int end_ok = 0;
989
990
2/2
✓ Branch 0 taken 35352 times.
✓ Branch 1 taken 90 times.
35442 for (i = s->mb_num - 1; i >= 0; i--) {
991 35352 const int mb_xy = s->mb_index2xy[i];
992 35352 int error = s->error_status_table[mb_xy];
993
994
2/2
✓ Branch 0 taken 9696 times.
✓ Branch 1 taken 25656 times.
35352 if (error & (1 << error_type))
995 9696 end_ok = 1;
996
2/2
✓ Branch 0 taken 10083 times.
✓ Branch 1 taken 25269 times.
35352 if (error & (8 << error_type))
997 10083 end_ok = 1;
998
999
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 35352 times.
35352 if (!end_ok)
1000 s->error_status_table[mb_xy] |= 1 << error_type;
1001
1002
2/2
✓ Branch 0 taken 10086 times.
✓ Branch 1 taken 25266 times.
35352 if (error & VP_START)
1003 10086 end_ok = 0;
1004 }
1005 }
1006 #endif
1007 #if 1
1008 /* handle slices with partitions of different length */
1009
2/2
✓ Branch 0 taken 29 times.
✓ Branch 1 taken 1 times.
30 if (s->partitioned_frame) {
1010 29 int end_ok = 0;
1011
1012
2/2
✓ Branch 0 taken 11484 times.
✓ Branch 1 taken 29 times.
11513 for (i = s->mb_num - 1; i >= 0; i--) {
1013 11484 const int mb_xy = s->mb_index2xy[i];
1014 11484 int error = s->error_status_table[mb_xy];
1015
1016
2/2
✓ Branch 0 taken 3312 times.
✓ Branch 1 taken 8172 times.
11484 if (error & ER_AC_END)
1017 3312 end_ok = 0;
1018
2/2
✓ Branch 0 taken 8172 times.
✓ Branch 1 taken 3312 times.
11484 if ((error & ER_MV_END) ||
1019
1/2
✓ Branch 0 taken 8172 times.
✗ Branch 1 not taken.
8172 (error & ER_DC_END) ||
1020
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 8172 times.
8172 (error & ER_AC_ERROR))
1021 3312 end_ok = 1;
1022
1023
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 11484 times.
11484 if (!end_ok)
1024 s->error_status_table[mb_xy]|= ER_AC_ERROR;
1025
1026
2/2
✓ Branch 0 taken 3312 times.
✓ Branch 1 taken 8172 times.
11484 if (error & VP_START)
1027 3312 end_ok = 0;
1028 }
1029 }
1030 #endif
1031 /* handle missing slices */
1032
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 30 times.
30 if (s->avctx->err_recognition & AV_EF_EXPLODE) {
1033 int end_ok = 1;
1034
1035 // FIXME + 100 hack
1036 for (i = s->mb_num - 2; i >= s->mb_width + 100; i--) {
1037 const int mb_xy = s->mb_index2xy[i];
1038 int error1 = s->error_status_table[mb_xy];
1039 int error2 = s->error_status_table[s->mb_index2xy[i + 1]];
1040
1041 if (error1 & VP_START)
1042 end_ok = 1;
1043
1044 if (error2 == (VP_START | ER_MB_ERROR | ER_MB_END) &&
1045 error1 != (VP_START | ER_MB_ERROR | ER_MB_END) &&
1046 ((error1 & ER_AC_END) || (error1 & ER_DC_END) ||
1047 (error1 & ER_MV_END))) {
1048 // end & uninit
1049 end_ok = 0;
1050 }
1051
1052 if (!end_ok)
1053 s->error_status_table[mb_xy] |= ER_MB_ERROR;
1054 }
1055 }
1056
1057 #if 1
1058 /* backward mark errors */
1059 30 distance = 9999999;
1060
2/2
✓ Branch 0 taken 90 times.
✓ Branch 1 taken 30 times.
120 for (error_type = 1; error_type <= 3; error_type++) {
1061
2/2
✓ Branch 0 taken 35352 times.
✓ Branch 1 taken 90 times.
35442 for (i = s->mb_num - 1; i >= 0; i--) {
1062 35352 const int mb_xy = s->mb_index2xy[i];
1063 35352 int error = s->error_status_table[mb_xy];
1064
1065
4/4
✓ Branch 0 taken 34452 times.
✓ Branch 1 taken 900 times.
✓ Branch 2 taken 34374 times.
✓ Branch 3 taken 78 times.
35352 if (!s->mbskip_table || !s->mbskip_table[mb_xy]) // FIXME partition specific
1066 35274 distance++;
1067
2/2
✓ Branch 0 taken 9696 times.
✓ Branch 1 taken 25656 times.
35352 if (error & (1 << error_type))
1068 9696 distance = 0;
1069
1070
2/2
✓ Branch 0 taken 34452 times.
✓ Branch 1 taken 900 times.
35352 if (s->partitioned_frame) {
1071
2/2
✓ Branch 0 taken 9546 times.
✓ Branch 1 taken 24906 times.
34452 if (distance < threshold_part[error_type - 1])
1072 9546 s->error_status_table[mb_xy] |= 1 << error_type;
1073 } else {
1074
2/2
✓ Branch 0 taken 297 times.
✓ Branch 1 taken 603 times.
900 if (distance < threshold)
1075 297 s->error_status_table[mb_xy] |= 1 << error_type;
1076 }
1077
1078
2/2
✓ Branch 0 taken 10086 times.
✓ Branch 1 taken 25266 times.
35352 if (error & VP_START)
1079 10086 distance = 9999999;
1080 }
1081 }
1082 #endif
1083
1084 /* forward mark errors */
1085 30 error = 0;
1086
2/2
✓ Branch 0 taken 11784 times.
✓ Branch 1 taken 30 times.
11814 for (i = 0; i < s->mb_num; i++) {
1087 11784 const int mb_xy = s->mb_index2xy[i];
1088 11784 int old_error = s->error_status_table[mb_xy];
1089
1090
2/2
✓ Branch 0 taken 3362 times.
✓ Branch 1 taken 8422 times.
11784 if (old_error & VP_START) {
1091 3362 error = old_error & ER_MB_ERROR;
1092 } else {
1093 8422 error |= old_error & ER_MB_ERROR;
1094 8422 s->error_status_table[mb_xy] |= error;
1095 }
1096 }
1097 #if 1
1098 /* handle not partitioned case */
1099
2/2
✓ Branch 0 taken 1 times.
✓ Branch 1 taken 29 times.
30 if (!s->partitioned_frame) {
1100
2/2
✓ Branch 0 taken 300 times.
✓ Branch 1 taken 1 times.
301 for (i = 0; i < s->mb_num; i++) {
1101 300 const int mb_xy = s->mb_index2xy[i];
1102 300 int error = s->error_status_table[mb_xy];
1103
2/2
✓ Branch 0 taken 99 times.
✓ Branch 1 taken 201 times.
300 if (error & ER_MB_ERROR)
1104 99 error |= ER_MB_ERROR;
1105 300 s->error_status_table[mb_xy] = error;
1106 }
1107 }
1108 #endif
1109
1110 30 dc_error = ac_error = mv_error = 0;
1111
2/2
✓ Branch 0 taken 11784 times.
✓ Branch 1 taken 30 times.
11814 for (i = 0; i < s->mb_num; i++) {
1112 11784 const int mb_xy = s->mb_index2xy[i];
1113 11784 int error = s->error_status_table[mb_xy];
1114
2/2
✓ Branch 0 taken 3281 times.
✓ Branch 1 taken 8503 times.
11784 if (error & ER_DC_ERROR)
1115 3281 dc_error++;
1116
2/2
✓ Branch 0 taken 3281 times.
✓ Branch 1 taken 8503 times.
11784 if (error & ER_AC_ERROR)
1117 3281 ac_error++;
1118
2/2
✓ Branch 0 taken 3281 times.
✓ Branch 1 taken 8503 times.
11784 if (error & ER_MV_ERROR)
1119 3281 mv_error++;
1120 }
1121 30 av_log(s->avctx, AV_LOG_INFO, "concealing %d DC, %d AC, %d MV errors in %c frame\n",
1122 30 dc_error, ac_error, mv_error, av_get_picture_type_char(s->cur_pic.f->pict_type));
1123
1124 30 s->cur_pic.f->decode_error_flags |= FF_DECODE_ERROR_CONCEALMENT_ACTIVE;
1125
1126 30 is_intra_likely = is_intra_more_likely(s);
1127
1128 /* set unknown mb-type to most likely */
1129
2/2
✓ Branch 0 taken 11784 times.
✓ Branch 1 taken 30 times.
11814 for (i = 0; i < s->mb_num; i++) {
1130 11784 const int mb_xy = s->mb_index2xy[i];
1131 11784 int error = s->error_status_table[mb_xy];
1132
3/4
✓ Branch 0 taken 3281 times.
✓ Branch 1 taken 8503 times.
✗ Branch 2 not taken.
✓ Branch 3 taken 3281 times.
11784 if (!((error & ER_DC_ERROR) && (error & ER_MV_ERROR)))
1133 8503 continue;
1134
1135
2/2
✓ Branch 0 taken 255 times.
✓ Branch 1 taken 3026 times.
3281 if (is_intra_likely)
1136 255 s->cur_pic.mb_type[mb_xy] = MB_TYPE_INTRA4x4;
1137 else
1138 3026 s->cur_pic.mb_type[mb_xy] = MB_TYPE_16x16 | MB_TYPE_L0;
1139 }
1140
1141 // change inter to intra blocks if no reference frames are available
1142
3/4
✓ Branch 0 taken 26 times.
✓ Branch 1 taken 4 times.
✗ Branch 2 not taken.
✓ Branch 3 taken 26 times.
30 if (!(s->last_pic.f && s->last_pic.f->data[0]) &&
1143
3/4
✓ Branch 0 taken 3 times.
✓ Branch 1 taken 1 times.
✗ Branch 2 not taken.
✓ Branch 3 taken 3 times.
4 !(s->next_pic.f && s->next_pic.f->data[0]))
1144
2/2
✓ Branch 0 taken 300 times.
✓ Branch 1 taken 1 times.
301 for (i = 0; i < s->mb_num; i++) {
1145 300 const int mb_xy = s->mb_index2xy[i];
1146
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 300 times.
300 if (!IS_INTRA(s->cur_pic.mb_type[mb_xy]))
1147 s->cur_pic.mb_type[mb_xy] = MB_TYPE_INTRA4x4;
1148 }
1149
1150 /* handle inter blocks with damaged AC */
1151
2/2
✓ Branch 0 taken 537 times.
✓ Branch 1 taken 30 times.
567 for (mb_y = 0; mb_y < s->mb_height; mb_y++) {
1152
2/2
✓ Branch 0 taken 11784 times.
✓ Branch 1 taken 537 times.
12321 for (mb_x = 0; mb_x < s->mb_width; mb_x++) {
1153 11784 const int mb_xy = mb_x + mb_y * s->mb_stride;
1154 11784 const int mb_type = s->cur_pic.mb_type[mb_xy];
1155
3/4
✓ Branch 0 taken 10296 times.
✓ Branch 1 taken 1488 times.
✗ Branch 2 not taken.
✓ Branch 3 taken 10296 times.
11784 const int dir = !(s->last_pic.f && s->last_pic.f->data[0]);
1156
2/2
✓ Branch 0 taken 1488 times.
✓ Branch 1 taken 10296 times.
11784 const int mv_dir = dir ? MV_DIR_BACKWARD : MV_DIR_FORWARD;
1157 int mv_type;
1158
1159 11784 int error = s->error_status_table[mb_xy];
1160
1161
2/2
✓ Branch 0 taken 4155 times.
✓ Branch 1 taken 7629 times.
11784 if (IS_INTRA(mb_type))
1162 4155 continue; // intra
1163
2/2
✓ Branch 0 taken 3026 times.
✓ Branch 1 taken 4603 times.
7629 if (error & ER_MV_ERROR)
1164 3026 continue; // inter with damaged MV
1165
1/2
✓ Branch 0 taken 4603 times.
✗ Branch 1 not taken.
4603 if (!(error & ER_AC_ERROR))
1166 4603 continue; // undamaged inter
1167
1168 if (IS_8X8(mb_type)) {
1169 int mb_index = mb_x * 2 + mb_y * 2 * s->b8_stride;
1170 int j;
1171 mv_type = MV_TYPE_8X8;
1172 for (j = 0; j < 4; j++) {
1173 s->mv[0][j][0] = s->cur_pic.motion_val[dir][mb_index + (j & 1) + (j >> 1) * s->b8_stride][0];
1174 s->mv[0][j][1] = s->cur_pic.motion_val[dir][mb_index + (j & 1) + (j >> 1) * s->b8_stride][1];
1175 }
1176 } else {
1177 mv_type = MV_TYPE_16X16;
1178 s->mv[0][0][0] = s->cur_pic.motion_val[dir][mb_x * 2 + mb_y * 2 * s->b8_stride][0];
1179 s->mv[0][0][1] = s->cur_pic.motion_val[dir][mb_x * 2 + mb_y * 2 * s->b8_stride][1];
1180 }
1181
1182 s->decode_mb(s->opaque, 0 /* FIXME H.264 partitioned slices need this set */,
1183 mv_dir, mv_type, &s->mv, mb_x, mb_y, 0, 0);
1184 }
1185 }
1186
1187 /* guess MVs */
1188
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 30 times.
30 if (s->cur_pic.f->pict_type == AV_PICTURE_TYPE_B) {
1189 for (mb_y = 0; mb_y < s->mb_height; mb_y++) {
1190 for (mb_x = 0; mb_x < s->mb_width; mb_x++) {
1191 int xy = mb_x * 2 + mb_y * 2 * s->b8_stride;
1192 const int mb_xy = mb_x + mb_y * s->mb_stride;
1193 const int mb_type = s->cur_pic.mb_type[mb_xy];
1194 int mv_dir = MV_DIR_FORWARD | MV_DIR_BACKWARD;
1195
1196 int error = s->error_status_table[mb_xy];
1197
1198 if (IS_INTRA(mb_type))
1199 continue;
1200 if (!(error & ER_MV_ERROR))
1201 continue; // inter with undamaged MV
1202 if (!(error & ER_AC_ERROR))
1203 continue; // undamaged inter
1204
1205 if (!(s->last_pic.f && s->last_pic.f->data[0]))
1206 mv_dir &= ~MV_DIR_FORWARD;
1207 if (!(s->next_pic.f && s->next_pic.f->data[0]))
1208 mv_dir &= ~MV_DIR_BACKWARD;
1209
1210 if (s->pp_time) {
1211 int time_pp = s->pp_time;
1212 int time_pb = s->pb_time;
1213
1214 av_assert0(s->avctx->codec_id != AV_CODEC_ID_H264);
1215 ff_thread_await_progress(s->next_pic.tf, mb_y, 0);
1216
1217 s->mv[0][0][0] = s->next_pic.motion_val[0][xy][0] * time_pb / time_pp;
1218 s->mv[0][0][1] = s->next_pic.motion_val[0][xy][1] * time_pb / time_pp;
1219 s->mv[1][0][0] = s->next_pic.motion_val[0][xy][0] * (time_pb - time_pp) / time_pp;
1220 s->mv[1][0][1] = s->next_pic.motion_val[0][xy][1] * (time_pb - time_pp) / time_pp;
1221 } else {
1222 s->mv[0][0][0] = 0;
1223 s->mv[0][0][1] = 0;
1224 s->mv[1][0][0] = 0;
1225 s->mv[1][0][1] = 0;
1226 }
1227
1228 s->decode_mb(s->opaque, 0, mv_dir, MV_TYPE_16X16, &s->mv,
1229 mb_x, mb_y, 0, 0);
1230 }
1231 }
1232 } else
1233 30 guess_mv(s);
1234
1235 /* the filters below manipulate raw image, skip them */
1236 if (CONFIG_XVMC && s->avctx->hwaccel && s->avctx->hwaccel->decode_mb)
1237 goto ec_clean;
1238 /* fill DC for inter blocks */
1239
2/2
✓ Branch 0 taken 537 times.
✓ Branch 1 taken 30 times.
567 for (mb_y = 0; mb_y < s->mb_height; mb_y++) {
1240
2/2
✓ Branch 0 taken 11784 times.
✓ Branch 1 taken 537 times.
12321 for (mb_x = 0; mb_x < s->mb_width; mb_x++) {
1241 int dc, dcu, dcv, y, n;
1242 int16_t *dc_ptr;
1243 uint8_t *dest_y, *dest_cb, *dest_cr;
1244 11784 const int mb_xy = mb_x + mb_y * s->mb_stride;
1245 11784 const int mb_type = s->cur_pic.mb_type[mb_xy];
1246
1247 // error = s->error_status_table[mb_xy];
1248
1249
4/4
✓ Branch 0 taken 4155 times.
✓ Branch 1 taken 7629 times.
✓ Branch 2 taken 3855 times.
✓ Branch 3 taken 300 times.
11784 if (IS_INTRA(mb_type) && s->partitioned_frame)
1250 3855 continue;
1251 // if (error & ER_MV_ERROR)
1252 // continue; // inter data damaged FIXME is this good?
1253
1254 7929 dest_y = s->cur_pic.f->data[0] + mb_x * 16 + mb_y * 16 * linesize[0];
1255 7929 dest_cb = s->cur_pic.f->data[1] + mb_x * 8 + mb_y * 8 * linesize[1];
1256 7929 dest_cr = s->cur_pic.f->data[2] + mb_x * 8 + mb_y * 8 * linesize[2];
1257
1258 7929 dc_ptr = &s->dc_val[0][mb_x * 2 + mb_y * 2 * s->b8_stride];
1259
2/2
✓ Branch 0 taken 31716 times.
✓ Branch 1 taken 7929 times.
39645 for (n = 0; n < 4; n++) {
1260 31716 dc = 0;
1261
2/2
✓ Branch 0 taken 253728 times.
✓ Branch 1 taken 31716 times.
285444 for (y = 0; y < 8; y++) {
1262 int x;
1263
2/2
✓ Branch 0 taken 2029824 times.
✓ Branch 1 taken 253728 times.
2283552 for (x = 0; x < 8; x++)
1264 2029824 dc += dest_y[x + (n & 1) * 8 +
1265 2029824 (y + (n >> 1) * 8) * linesize[0]];
1266 }
1267 31716 dc_ptr[(n & 1) + (n >> 1) * s->b8_stride] = (dc + 4) >> 3;
1268 }
1269
1270
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 7929 times.
7929 if (!s->cur_pic.f->data[2])
1271 continue;
1272
1273 7929 dcu = dcv = 0;
1274
2/2
✓ Branch 0 taken 63432 times.
✓ Branch 1 taken 7929 times.
71361 for (y = 0; y < 8; y++) {
1275 int x;
1276
2/2
✓ Branch 0 taken 507456 times.
✓ Branch 1 taken 63432 times.
570888 for (x = 0; x < 8; x++) {
1277 507456 dcu += dest_cb[x + y * linesize[1]];
1278 507456 dcv += dest_cr[x + y * linesize[2]];
1279 }
1280 }
1281 7929 s->dc_val[1][mb_x + mb_y * s->mb_stride] = (dcu + 4) >> 3;
1282 7929 s->dc_val[2][mb_x + mb_y * s->mb_stride] = (dcv + 4) >> 3;
1283 }
1284 }
1285 #if 1
1286 /* guess DC for damaged blocks */
1287 30 guess_dc(s, s->dc_val[0], s->mb_width*2, s->mb_height*2, s->b8_stride, 1);
1288 30 guess_dc(s, s->dc_val[1], s->mb_width , s->mb_height , s->mb_stride, 0);
1289 30 guess_dc(s, s->dc_val[2], s->mb_width , s->mb_height , s->mb_stride, 0);
1290 #endif
1291
1292 /* filter luma DC */
1293 30 filter181(s->dc_val[0], s->mb_width * 2, s->mb_height * 2, s->b8_stride);
1294
1295 #if 1
1296 /* render DC only intra */
1297
2/2
✓ Branch 0 taken 537 times.
✓ Branch 1 taken 30 times.
567 for (mb_y = 0; mb_y < s->mb_height; mb_y++) {
1298
2/2
✓ Branch 0 taken 11784 times.
✓ Branch 1 taken 537 times.
12321 for (mb_x = 0; mb_x < s->mb_width; mb_x++) {
1299 uint8_t *dest_y, *dest_cb, *dest_cr;
1300 11784 const int mb_xy = mb_x + mb_y * s->mb_stride;
1301 11784 const int mb_type = s->cur_pic.mb_type[mb_xy];
1302
1303 11784 int error = s->error_status_table[mb_xy];
1304
1305
2/2
✓ Branch 0 taken 7629 times.
✓ Branch 1 taken 4155 times.
11784 if (IS_INTER(mb_type))
1306 7629 continue;
1307
2/2
✓ Branch 0 taken 3900 times.
✓ Branch 1 taken 255 times.
4155 if (!(error & ER_AC_ERROR))
1308 3900 continue; // undamaged
1309
1310 255 dest_y = s->cur_pic.f->data[0] + mb_x * 16 + mb_y * 16 * linesize[0];
1311 255 dest_cb = s->cur_pic.f->data[1] + mb_x * 8 + mb_y * 8 * linesize[1];
1312 255 dest_cr = s->cur_pic.f->data[2] + mb_x * 8 + mb_y * 8 * linesize[2];
1313
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 255 times.
255 if (!s->cur_pic.f->data[2])
1314 dest_cb = dest_cr = NULL;
1315
1316 255 put_dc(s, dest_y, dest_cb, dest_cr, mb_x, mb_y);
1317 }
1318 }
1319 #endif
1320
1321
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 30 times.
30 if (s->avctx->error_concealment & FF_EC_DEBLOCK) {
1322 /* filter horizontal block boundaries */
1323 30 h_block_filter(s, s->cur_pic.f->data[0], s->mb_width * 2,
1324 30 s->mb_height * 2, linesize[0], 1);
1325
1326 /* filter vertical block boundaries */
1327 30 v_block_filter(s, s->cur_pic.f->data[0], s->mb_width * 2,
1328 30 s->mb_height * 2, linesize[0], 1);
1329
1330
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 30 times.
30 if (s->cur_pic.f->data[2]) {
1331 30 h_block_filter(s, s->cur_pic.f->data[1], s->mb_width,
1332 30 s->mb_height, linesize[1], 0);
1333 30 h_block_filter(s, s->cur_pic.f->data[2], s->mb_width,
1334 30 s->mb_height, linesize[2], 0);
1335 30 v_block_filter(s, s->cur_pic.f->data[1], s->mb_width,
1336 30 s->mb_height, linesize[1], 0);
1337 30 v_block_filter(s, s->cur_pic.f->data[2], s->mb_width,
1338 30 s->mb_height, linesize[2], 0);
1339 }
1340 }
1341
1342 ec_clean:
1343 /* clean a few tables */
1344
2/2
✓ Branch 0 taken 11784 times.
✓ Branch 1 taken 30 times.
11814 for (i = 0; i < s->mb_num; i++) {
1345 11784 const int mb_xy = s->mb_index2xy[i];
1346 11784 int error = s->error_status_table[mb_xy];
1347
1348
3/4
✓ Branch 0 taken 11484 times.
✓ Branch 1 taken 300 times.
✓ Branch 2 taken 11484 times.
✗ Branch 3 not taken.
11784 if (s->mbskip_table && s->cur_pic.f->pict_type != AV_PICTURE_TYPE_B &&
1349
2/2
✓ Branch 0 taken 3182 times.
✓ Branch 1 taken 8302 times.
11484 (error & (ER_DC_ERROR | ER_MV_ERROR | ER_AC_ERROR))) {
1350 3182 s->mbskip_table[mb_xy] = 0;
1351 }
1352
2/2
✓ Branch 0 taken 11484 times.
✓ Branch 1 taken 300 times.
11784 if (s->mbintra_table)
1353 11484 s->mbintra_table[mb_xy] = 1;
1354 }
1355
1356
2/2
✓ Branch 0 taken 60 times.
✓ Branch 1 taken 30 times.
90 for (i = 0; i < 2; i++) {
1357 60 av_buffer_unref(&s->ref_index_buf[i]);
1358 60 av_buffer_unref(&s->motion_val_buf[i]);
1359 60 s->cur_pic.ref_index[i] = NULL;
1360 60 s->cur_pic.motion_val[i] = NULL;
1361 }
1362
1363 30 memset(&s->cur_pic, 0, sizeof(ERPicture));
1364 30 memset(&s->last_pic, 0, sizeof(ERPicture));
1365 30 memset(&s->next_pic, 0, sizeof(ERPicture));
1366 }
1367