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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/avassert.h" | ||
31 | #include "libavutil/mem.h" | ||
32 | #include "avcodec.h" | ||
33 | #include "error_resilience.h" | ||
34 | #include "mathops.h" | ||
35 | #include "me_cmp.h" | ||
36 | #include "mpegutils.h" | ||
37 | #include "mpegvideo.h" | ||
38 | #include "threadframe.h" | ||
39 | #include "threadprogress.h" | ||
40 | |||
41 | /** | ||
42 | * @param stride the number of MVs to get to the next row | ||
43 | * @param mv_step the number of MVs per row or column in a macroblock | ||
44 | */ | ||
45 | 217 | static void set_mv_strides(ERContext *s, ptrdiff_t *mv_step, ptrdiff_t *stride) | |
46 | { | ||
47 |
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217 | if (s->avctx->codec_id == AV_CODEC_ID_H264) { |
48 |
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7 | av_assert0(s->quarter_sample); |
49 | 7 | *mv_step = 4; | |
50 | 7 | *stride = s->mb_width * 4; | |
51 | } else { | ||
52 | 210 | *mv_step = 2; | |
53 | 210 | *stride = s->b8_stride; | |
54 | } | ||
55 | 217 | } | |
56 | |||
57 | /** | ||
58 | * Replace the current MB with a flat dc-only version. | ||
59 | */ | ||
60 | 255 | static void put_dc(ERContext *s, uint8_t *dest_y, uint8_t *dest_cb, | |
61 | uint8_t *dest_cr, int mb_x, int mb_y) | ||
62 | { | ||
63 | 255 | int *linesize = s->cur_pic.f->linesize; | |
64 | int dc, dcu, dcv, y, i; | ||
65 |
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1275 | for (i = 0; i < 4; i++) { |
66 | 1020 | dc = s->dc_val[0][mb_x * 2 + (i & 1) + (mb_y * 2 + (i >> 1)) * s->b8_stride]; | |
67 |
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1020 | if (dc < 0) |
68 | 17 | dc = 0; | |
69 |
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1003 | else if (dc > 2040) |
70 | 8 | dc = 2040; | |
71 |
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9180 | for (y = 0; y < 8; y++) { |
72 | int x; | ||
73 |
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73440 | for (x = 0; x < 8; x++) |
74 | 65280 | dest_y[x + (i & 1) * 8 + (y + (i >> 1) * 8) * linesize[0]] = dc / 8; | |
75 | } | ||
76 | } | ||
77 | 255 | dcu = s->dc_val[1][mb_x + mb_y * s->mb_stride]; | |
78 | 255 | dcv = s->dc_val[2][mb_x + mb_y * s->mb_stride]; | |
79 |
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255 | if (dcu < 0) |
80 | ✗ | dcu = 0; | |
81 |
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255 | else if (dcu > 2040) |
82 | ✗ | dcu = 2040; | |
83 |
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255 | if (dcv < 0) |
84 | ✗ | dcv = 0; | |
85 |
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255 | else if (dcv > 2040) |
86 | ✗ | dcv = 2040; | |
87 | |||
88 |
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255 | if (dest_cr) |
89 |
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2295 | for (y = 0; y < 8; y++) { |
90 | int x; | ||
91 |
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18360 | for (x = 0; x < 8; x++) { |
92 | 16320 | dest_cb[x + y * linesize[1]] = dcu / 8; | |
93 | 16320 | dest_cr[x + y * linesize[2]] = dcv / 8; | |
94 | } | ||
95 | } | ||
96 | 255 | } | |
97 | |||
98 | 31 | static void filter181(int16_t *data, int width, int height, ptrdiff_t stride) | |
99 | { | ||
100 | int x, y; | ||
101 | |||
102 | /* horizontal filter */ | ||
103 |
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1065 | for (y = 1; y < height - 1; y++) { |
104 | 1034 | int prev_dc = data[0 + y * stride]; | |
105 | |||
106 |
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44270 | for (x = 1; x < width - 1; x++) { |
107 | int dc; | ||
108 | 43236 | dc = -prev_dc + | |
109 | 43236 | data[x + y * stride] * 8 - | |
110 | 43236 | data[x + 1 + y * stride]; | |
111 | 43236 | dc = (av_clip(dc, INT_MIN/10923, INT_MAX/10923 - 32768) * 10923 + 32768) >> 16; | |
112 | 43236 | prev_dc = data[x + y * stride]; | |
113 | 43236 | data[x + y * stride] = dc; | |
114 | } | ||
115 | } | ||
116 | |||
117 | /* vertical filter */ | ||
118 |
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1325 | for (x = 1; x < width - 1; x++) { |
119 | 1294 | int prev_dc = data[x]; | |
120 | |||
121 |
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44530 | for (y = 1; y < height - 1; y++) { |
122 | int dc; | ||
123 | |||
124 | 43236 | dc = -prev_dc + | |
125 | 43236 | data[x + y * stride] * 8 - | |
126 | 43236 | data[x + (y + 1) * stride]; | |
127 | 43236 | dc = (av_clip(dc, INT_MIN/10923, INT_MAX/10923 - 32768) * 10923 + 32768) >> 16; | |
128 | 43236 | prev_dc = data[x + y * stride]; | |
129 | 43236 | data[x + y * stride] = dc; | |
130 | } | ||
131 | } | ||
132 | 31 | } | |
133 | |||
134 | /** | ||
135 | * guess the dc of blocks which do not have an undamaged dc | ||
136 | * @param w width in 8 pixel blocks | ||
137 | * @param h height in 8 pixel blocks | ||
138 | */ | ||
139 | 93 | static void guess_dc(ERContext *s, int16_t *dc, int w, | |
140 | int h, ptrdiff_t stride, int is_luma) | ||
141 | { | ||
142 | int b_x, b_y; | ||
143 | 93 | int16_t (*col )[4] = av_malloc_array(stride, h*sizeof( int16_t)*4); | |
144 | 93 | uint32_t (*dist)[4] = av_malloc_array(stride, h*sizeof(uint32_t)*4); | |
145 | |||
146 |
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93 | if(!col || !dist) { |
147 | ✗ | av_log(s->avctx, AV_LOG_ERROR, "guess_dc() is out of memory\n"); | |
148 | ✗ | goto fail; | |
149 | } | ||
150 | |||
151 |
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2285 | for(b_y=0; b_y<h; b_y++){ |
152 | 2192 | int color= 1024; | |
153 | 2192 | int distance= -1; | |
154 |
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74216 | for(b_x=0; b_x<w; b_x++){ |
155 | 72024 | int mb_index_j= (b_x>>is_luma) + (b_y>>is_luma)*s->mb_stride; | |
156 | 72024 | int error_j= s->error_status_table[mb_index_j]; | |
157 | 72024 | int intra_j = IS_INTRA(s->cur_pic.mb_type[mb_index_j]); | |
158 |
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72024 | if(intra_j==0 || !(error_j&ER_DC_ERROR)){ |
159 | 70494 | color= dc[b_x + b_y*stride]; | |
160 | 70494 | distance= b_x; | |
161 | } | ||
162 | 72024 | col [b_x + b_y*stride][1]= color; | |
163 |
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72024 | dist[b_x + b_y*stride][1]= distance >= 0 ? b_x-distance : 9999; |
164 | } | ||
165 | 2192 | color= 1024; | |
166 | 2192 | distance= -1; | |
167 |
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74216 | for(b_x=w-1; b_x>=0; b_x--){ |
168 | 72024 | int mb_index_j= (b_x>>is_luma) + (b_y>>is_luma)*s->mb_stride; | |
169 | 72024 | int error_j= s->error_status_table[mb_index_j]; | |
170 | 72024 | int intra_j = IS_INTRA(s->cur_pic.mb_type[mb_index_j]); | |
171 |
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72024 | if(intra_j==0 || !(error_j&ER_DC_ERROR)){ |
172 | 70494 | color= dc[b_x + b_y*stride]; | |
173 | 70494 | distance= b_x; | |
174 | } | ||
175 | 72024 | col [b_x + b_y*stride][0]= color; | |
176 |
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72024 | dist[b_x + b_y*stride][0]= distance >= 0 ? distance-b_x : 9999; |
177 | } | ||
178 | } | ||
179 |
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2805 | for(b_x=0; b_x<w; b_x++){ |
180 | 2712 | int color= 1024; | |
181 | 2712 | int distance= -1; | |
182 |
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74736 | for(b_y=0; b_y<h; b_y++){ |
183 | 72024 | int mb_index_j= (b_x>>is_luma) + (b_y>>is_luma)*s->mb_stride; | |
184 | 72024 | int error_j= s->error_status_table[mb_index_j]; | |
185 | 72024 | int intra_j = IS_INTRA(s->cur_pic.mb_type[mb_index_j]); | |
186 |
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72024 | if(intra_j==0 || !(error_j&ER_DC_ERROR)){ |
187 | 70494 | color= dc[b_x + b_y*stride]; | |
188 | 70494 | distance= b_y; | |
189 | } | ||
190 | 72024 | col [b_x + b_y*stride][3]= color; | |
191 |
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72024 | dist[b_x + b_y*stride][3]= distance >= 0 ? b_y-distance : 9999; |
192 | } | ||
193 | 2712 | color= 1024; | |
194 | 2712 | distance= -1; | |
195 |
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74736 | for(b_y=h-1; b_y>=0; b_y--){ |
196 | 72024 | int mb_index_j= (b_x>>is_luma) + (b_y>>is_luma)*s->mb_stride; | |
197 | 72024 | int error_j= s->error_status_table[mb_index_j]; | |
198 | 72024 | int intra_j = IS_INTRA(s->cur_pic.mb_type[mb_index_j]); | |
199 |
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72024 | if(intra_j==0 || !(error_j&ER_DC_ERROR)){ |
200 | 70494 | color= dc[b_x + b_y*stride]; | |
201 | 70494 | distance= b_y; | |
202 | } | ||
203 | 72024 | col [b_x + b_y*stride][2]= color; | |
204 |
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72024 | dist[b_x + b_y*stride][2]= distance >= 0 ? distance-b_y : 9999; |
205 | } | ||
206 | } | ||
207 | |||
208 |
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2285 | for (b_y = 0; b_y < h; b_y++) { |
209 |
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74216 | for (b_x = 0; b_x < w; b_x++) { |
210 | int mb_index, error, j; | ||
211 | int64_t guess, weight_sum; | ||
212 | 72024 | mb_index = (b_x >> is_luma) + (b_y >> is_luma) * s->mb_stride; | |
213 | 72024 | error = s->error_status_table[mb_index]; | |
214 | |||
215 |
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72024 | if (IS_INTER(s->cur_pic.mb_type[mb_index])) |
216 | 47094 | continue; // inter | |
217 |
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24930 | if (!(error & ER_DC_ERROR)) |
218 | 23400 | continue; // dc-ok | |
219 | |||
220 | 1530 | weight_sum = 0; | |
221 | 1530 | guess = 0; | |
222 |
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7650 | for (j = 0; j < 4; j++) { |
223 | 6120 | int64_t weight = 256 * 256 * 256 * 16 / FFMAX(dist[b_x + b_y*stride][j], 1); | |
224 | 6120 | guess += weight*(int64_t)col[b_x + b_y*stride][j]; | |
225 | 6120 | weight_sum += weight; | |
226 | } | ||
227 | 1530 | guess = (guess + weight_sum / 2) / weight_sum; | |
228 | 1530 | dc[b_x + b_y * stride] = guess; | |
229 | } | ||
230 | } | ||
231 | |||
232 | 93 | fail: | |
233 | 93 | av_freep(&col); | |
234 | 93 | av_freep(&dist); | |
235 | 93 | } | |
236 | |||
237 | /** | ||
238 | * simple horizontal deblocking filter used for error resilience | ||
239 | * @param w width in 8 pixel blocks | ||
240 | * @param h height in 8 pixel blocks | ||
241 | */ | ||
242 | 93 | static void h_block_filter(ERContext *s, uint8_t *dst, int w, | |
243 | int h, ptrdiff_t stride, int is_luma) | ||
244 | { | ||
245 | int b_x, b_y; | ||
246 | ptrdiff_t mvx_stride, mvy_stride; | ||
247 | 93 | const uint8_t *cm = ff_crop_tab + MAX_NEG_CROP; | |
248 | 93 | set_mv_strides(s, &mvx_stride, &mvy_stride); | |
249 | 93 | mvx_stride >>= is_luma; | |
250 | 93 | mvy_stride *= mvx_stride; | |
251 | |||
252 |
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2285 | for (b_y = 0; b_y < h; b_y++) { |
253 |
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72024 | for (b_x = 0; b_x < w - 1; b_x++) { |
254 | int y; | ||
255 | 69832 | int left_status = s->error_status_table[( b_x >> is_luma) + (b_y >> is_luma) * s->mb_stride]; | |
256 | 69832 | int right_status = s->error_status_table[((b_x + 1) >> is_luma) + (b_y >> is_luma) * s->mb_stride]; | |
257 | 69832 | int left_intra = IS_INTRA(s->cur_pic.mb_type[( b_x >> is_luma) + (b_y >> is_luma) * s->mb_stride]); | |
258 | 69832 | int right_intra = IS_INTRA(s->cur_pic.mb_type[((b_x + 1) >> is_luma) + (b_y >> is_luma) * s->mb_stride]); | |
259 | 69832 | int left_damage = left_status & ER_MB_ERROR; | |
260 | 69832 | int right_damage = right_status & ER_MB_ERROR; | |
261 | 69832 | int offset = b_x * 8 + b_y * stride * 8; | |
262 | 69832 | int16_t *left_mv = s->cur_pic.motion_val[0][mvy_stride * b_y + mvx_stride * b_x]; | |
263 | 69832 | int16_t *right_mv = s->cur_pic.motion_val[0][mvy_stride * b_y + mvx_stride * (b_x + 1)]; | |
264 |
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69832 | if (!(left_damage || right_damage)) |
265 | 49350 | continue; // both undamaged | |
266 |
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20482 | if ((!left_intra) && (!right_intra) && |
267 | 18940 | FFABS(left_mv[0] - right_mv[0]) + | |
268 |
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18940 | FFABS(left_mv[1] + right_mv[1]) < 2) |
269 | 2924 | continue; | |
270 | |||
271 |
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158022 | for (y = 0; y < 8; y++) { |
272 | int a, b, c, d; | ||
273 | |||
274 | 140464 | a = dst[offset + 7 + y * stride] - dst[offset + 6 + y * stride]; | |
275 | 140464 | b = dst[offset + 8 + y * stride] - dst[offset + 7 + y * stride]; | |
276 | 140464 | c = dst[offset + 9 + y * stride] - dst[offset + 8 + y * stride]; | |
277 | |||
278 | 140464 | d = FFABS(b) - ((FFABS(a) + FFABS(c) + 1) >> 1); | |
279 | 140464 | d = FFMAX(d, 0); | |
280 |
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140464 | if (b < 0) |
281 | 50635 | d = -d; | |
282 | |||
283 |
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140464 | if (d == 0) |
284 | 88514 | continue; | |
285 | |||
286 |
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51950 | if (!(left_damage && right_damage)) |
287 | 841 | d = d * 16 / 9; | |
288 | |||
289 |
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51950 | if (left_damage) { |
290 | 51581 | dst[offset + 7 + y * stride] = cm[dst[offset + 7 + y * stride] + ((d * 7) >> 4)]; | |
291 | 51581 | dst[offset + 6 + y * stride] = cm[dst[offset + 6 + y * stride] + ((d * 5) >> 4)]; | |
292 | 51581 | dst[offset + 5 + y * stride] = cm[dst[offset + 5 + y * stride] + ((d * 3) >> 4)]; | |
293 | 51581 | dst[offset + 4 + y * stride] = cm[dst[offset + 4 + y * stride] + ((d * 1) >> 4)]; | |
294 | } | ||
295 |
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51950 | if (right_damage) { |
296 | 51478 | dst[offset + 8 + y * stride] = cm[dst[offset + 8 + y * stride] - ((d * 7) >> 4)]; | |
297 | 51478 | dst[offset + 9 + y * stride] = cm[dst[offset + 9 + y * stride] - ((d * 5) >> 4)]; | |
298 | 51478 | dst[offset + 10+ y * stride] = cm[dst[offset + 10 + y * stride] - ((d * 3) >> 4)]; | |
299 | 51478 | dst[offset + 11+ y * stride] = cm[dst[offset + 11 + y * stride] - ((d * 1) >> 4)]; | |
300 | } | ||
301 | } | ||
302 | } | ||
303 | } | ||
304 | 93 | } | |
305 | |||
306 | /** | ||
307 | * simple vertical deblocking filter used for error resilience | ||
308 | * @param w width in 8 pixel blocks | ||
309 | * @param h height in 8 pixel blocks | ||
310 | */ | ||
311 | 93 | static void v_block_filter(ERContext *s, uint8_t *dst, int w, int h, | |
312 | ptrdiff_t stride, int is_luma) | ||
313 | { | ||
314 | int b_x, b_y; | ||
315 | ptrdiff_t mvx_stride, mvy_stride; | ||
316 | 93 | const uint8_t *cm = ff_crop_tab + MAX_NEG_CROP; | |
317 | 93 | set_mv_strides(s, &mvx_stride, &mvy_stride); | |
318 | 93 | mvx_stride >>= is_luma; | |
319 | 93 | mvy_stride *= mvx_stride; | |
320 | |||
321 |
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2192 | for (b_y = 0; b_y < h - 1; b_y++) { |
322 |
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71411 | for (b_x = 0; b_x < w; b_x++) { |
323 | int x; | ||
324 | 69312 | int top_status = s->error_status_table[(b_x >> is_luma) + (b_y >> is_luma) * s->mb_stride]; | |
325 | 69312 | int bottom_status = s->error_status_table[(b_x >> is_luma) + ((b_y + 1) >> is_luma) * s->mb_stride]; | |
326 | 69312 | int top_intra = IS_INTRA(s->cur_pic.mb_type[(b_x >> is_luma) + ( b_y >> is_luma) * s->mb_stride]); | |
327 | 69312 | int bottom_intra = IS_INTRA(s->cur_pic.mb_type[(b_x >> is_luma) + ((b_y + 1) >> is_luma) * s->mb_stride]); | |
328 | 69312 | int top_damage = top_status & ER_MB_ERROR; | |
329 | 69312 | int bottom_damage = bottom_status & ER_MB_ERROR; | |
330 | 69312 | int offset = b_x * 8 + b_y * stride * 8; | |
331 | |||
332 | 69312 | int16_t *top_mv = s->cur_pic.motion_val[0][mvy_stride * b_y + mvx_stride * b_x]; | |
333 | 69312 | int16_t *bottom_mv = s->cur_pic.motion_val[0][mvy_stride * (b_y + 1) + mvx_stride * b_x]; | |
334 | |||
335 |
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69312 | if (!(top_damage || bottom_damage)) |
336 | 45970 | continue; // both undamaged | |
337 | |||
338 |
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23342 | if ((!top_intra) && (!bottom_intra) && |
339 | 20108 | FFABS(top_mv[0] - bottom_mv[0]) + | |
340 |
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20108 | FFABS(top_mv[1] + bottom_mv[1]) < 2) |
341 | 2992 | continue; | |
342 | |||
343 |
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183150 | for (x = 0; x < 8; x++) { |
344 | int a, b, c, d; | ||
345 | |||
346 | 162800 | a = dst[offset + x + 7 * stride] - dst[offset + x + 6 * stride]; | |
347 | 162800 | b = dst[offset + x + 8 * stride] - dst[offset + x + 7 * stride]; | |
348 | 162800 | c = dst[offset + x + 9 * stride] - dst[offset + x + 8 * stride]; | |
349 | |||
350 | 162800 | d = FFABS(b) - ((FFABS(a) + FFABS(c) + 1) >> 1); | |
351 | 162800 | d = FFMAX(d, 0); | |
352 |
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162800 | if (b < 0) |
353 | 63869 | d = -d; | |
354 | |||
355 |
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162800 | if (d == 0) |
356 | 97498 | continue; | |
357 | |||
358 |
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65302 | if (!(top_damage && bottom_damage)) |
359 | 18705 | d = d * 16 / 9; | |
360 | |||
361 |
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65302 | if (top_damage) { |
362 | 55732 | dst[offset + x + 7 * stride] = cm[dst[offset + x + 7 * stride] + ((d * 7) >> 4)]; | |
363 | 55732 | dst[offset + x + 6 * stride] = cm[dst[offset + x + 6 * stride] + ((d * 5) >> 4)]; | |
364 | 55732 | dst[offset + x + 5 * stride] = cm[dst[offset + x + 5 * stride] + ((d * 3) >> 4)]; | |
365 | 55732 | dst[offset + x + 4 * stride] = cm[dst[offset + x + 4 * stride] + ((d * 1) >> 4)]; | |
366 | } | ||
367 |
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65302 | if (bottom_damage) { |
368 | 56167 | dst[offset + x + 8 * stride] = cm[dst[offset + x + 8 * stride] - ((d * 7) >> 4)]; | |
369 | 56167 | dst[offset + x + 9 * stride] = cm[dst[offset + x + 9 * stride] - ((d * 5) >> 4)]; | |
370 | 56167 | dst[offset + x + 10 * stride] = cm[dst[offset + x + 10 * stride] - ((d * 3) >> 4)]; | |
371 | 56167 | dst[offset + x + 11 * stride] = cm[dst[offset + x + 11 * stride] - ((d * 1) >> 4)]; | |
372 | } | ||
373 | } | ||
374 | } | ||
375 | } | ||
376 | 93 | } | |
377 | |||
378 | #define MV_FROZEN 8 | ||
379 | #define MV_CHANGED 4 | ||
380 | #define MV_UNCHANGED 2 | ||
381 | #define MV_LISTED 1 | ||
382 | 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) | |
383 | { | ||
384 |
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44746 | if (fixed[mb_xy]) |
385 | 41720 | return; | |
386 | 3026 | fixed[mb_xy] = MV_LISTED; | |
387 | 3026 | blocklist[ *blocklist_length ][0] = mb_x; | |
388 | 3026 | blocklist[(*blocklist_length)++][1] = mb_y; | |
389 | } | ||
390 | |||
391 | 31 | static void guess_mv(ERContext *s) | |
392 | { | ||
393 | int (*blocklist)[2], (*next_blocklist)[2]; | ||
394 | uint8_t *fixed; | ||
395 | 31 | const ptrdiff_t mb_stride = s->mb_stride; | |
396 | 31 | const int mb_width = s->mb_width; | |
397 | 31 | int mb_height = s->mb_height; | |
398 | int i, num_avail; | ||
399 | int mb_x, mb_y; | ||
400 | ptrdiff_t mot_step, mot_stride; | ||
401 | int blocklist_length, next_blocklist_length; | ||
402 | |||
403 |
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31 | if (s->last_pic.f && s->last_pic.f->data[0]) |
404 | 27 | mb_height = FFMIN(mb_height, (s->last_pic.f->height+15)>>4); | |
405 |
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31 | if (s->next_pic.f && s->next_pic.f->data[0]) |
406 | 30 | mb_height = FFMIN(mb_height, (s->next_pic.f->height+15)>>4); | |
407 | |||
408 | 31 | blocklist = (int (*)[2])s->er_temp_buffer; | |
409 | 31 | next_blocklist = blocklist + s->mb_stride * s->mb_height; | |
410 | 31 | fixed = (uint8_t *)(next_blocklist + s->mb_stride * s->mb_height); | |
411 | |||
412 | 31 | set_mv_strides(s, &mot_step, &mot_stride); | |
413 | |||
414 | 31 | num_avail = 0; | |
415 |
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31 | if (s->last_pic.motion_val[0]) { |
416 |
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27 | if (s->last_pic.tf) |
417 | ✗ | ff_thread_await_progress(s->last_pic.tf, mb_height-1, 0); | |
418 | else | ||
419 | 27 | ff_thread_progress_await(s->last_pic.progress, mb_height - 1); | |
420 | } | ||
421 |
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12035 | for (i = 0; i < mb_width * mb_height; i++) { |
422 | 12004 | const int mb_xy = s->mb_index2xy[i]; | |
423 | 12004 | int f = 0; | |
424 | 12004 | int error = s->error_status_table[mb_xy]; | |
425 | |||
426 |
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12004 | if (IS_INTRA(s->cur_pic.mb_type[mb_xy])) |
427 | 4155 | f = MV_FROZEN; // intra // FIXME check | |
428 |
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12004 | if (!(error & ER_MV_ERROR)) |
429 | 8503 | f = MV_FROZEN; // inter with undamaged MV | |
430 | |||
431 | 12004 | fixed[mb_xy] = f; | |
432 |
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12004 | if (f == MV_FROZEN) |
433 | 8758 | num_avail++; | |
434 |
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3246 | else if(s->last_pic.f->data[0] && s->last_pic.motion_val[0]){ |
435 | 3246 | const int mb_y= mb_xy / s->mb_stride; | |
436 | 3246 | const int mb_x= mb_xy % s->mb_stride; | |
437 | 3246 | const int mot_index= (mb_x + mb_y*mot_stride) * mot_step; | |
438 | 3246 | s->cur_pic.motion_val[0][mot_index][0]= s->last_pic.motion_val[0][mot_index][0]; | |
439 | 3246 | s->cur_pic.motion_val[0][mot_index][1]= s->last_pic.motion_val[0][mot_index][1]; | |
440 | 3246 | s->cur_pic.ref_index[0][4*mb_xy] = s->last_pic.ref_index[0][4*mb_xy]; | |
441 | } | ||
442 | } | ||
443 | |||
444 |
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31 | if ((!(s->avctx->error_concealment&FF_EC_GUESS_MVS)) || |
445 |
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31 | num_avail <= FFMAX(mb_width, mb_height) / 2) { |
446 |
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12 | for (mb_y = 0; mb_y < mb_height; mb_y++) { |
447 |
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231 | for (mb_x = 0; mb_x < s->mb_width; mb_x++) { |
448 | 220 | const int mb_xy = mb_x + mb_y * s->mb_stride; | |
449 |
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220 | int mv_dir = (s->last_pic.f && s->last_pic.f->data[0]) ? MV_DIR_FORWARD : MV_DIR_BACKWARD; |
450 | |||
451 |
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220 | if (IS_INTRA(s->cur_pic.mb_type[mb_xy])) |
452 | ✗ | continue; | |
453 |
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220 | if (!(s->error_status_table[mb_xy] & ER_MV_ERROR)) |
454 | ✗ | continue; | |
455 | |||
456 | 220 | s->mv[0][0][0] = 0; | |
457 | 220 | s->mv[0][0][1] = 0; | |
458 | 220 | s->decode_mb(s->opaque, 0, mv_dir, MV_TYPE_16X16, &s->mv, | |
459 | mb_x, mb_y, 0, 0); | ||
460 | } | ||
461 | } | ||
462 | 1 | return; | |
463 | } | ||
464 | |||
465 | 30 | blocklist_length = 0; | |
466 |
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567 | for (mb_y = 0; mb_y < mb_height; mb_y++) { |
467 |
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12321 | for (mb_x = 0; mb_x < mb_width; mb_x++) { |
468 | 11784 | const int mb_xy = mb_x + mb_y * mb_stride; | |
469 |
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11784 | if (fixed[mb_xy] == MV_FROZEN) { |
470 |
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8758 | if (mb_x) add_blocklist(blocklist, &blocklist_length, fixed, mb_x - 1, mb_y, mb_xy - 1); |
471 |
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8758 | if (mb_y) add_blocklist(blocklist, &blocklist_length, fixed, mb_x, mb_y - 1, mb_xy - mb_stride); |
472 |
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8758 | if (mb_x+1 < mb_width) add_blocklist(blocklist, &blocklist_length, fixed, mb_x + 1, mb_y, mb_xy + 1); |
473 |
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8758 | if (mb_y+1 < mb_height) add_blocklist(blocklist, &blocklist_length, fixed, mb_x, mb_y + 1, mb_xy + mb_stride); |
474 | } | ||
475 | } | ||
476 | } | ||
477 | |||
478 | 88 | for (;;) { | |
479 | int changed, pass, none_left; | ||
480 | int blocklist_index; | ||
481 | |||
482 | 118 | none_left = 1; | |
483 | 118 | changed = 1; | |
484 |
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739 | for (pass = 0; (changed || pass < 2) && pass < 10; pass++) { |
485 | 621 | changed = 0; | |
486 |
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21383 | for (blocklist_index = 0; blocklist_index < blocklist_length; blocklist_index++) { |
487 | 20762 | const int mb_x = blocklist[blocklist_index][0]; | |
488 | 20762 | const int mb_y = blocklist[blocklist_index][1]; | |
489 | 20762 | const int mb_xy = mb_x + mb_y * mb_stride; | |
490 | int mv_predictor[8][2]; | ||
491 | int ref[8]; | ||
492 | int pred_count; | ||
493 | int j; | ||
494 | int best_score; | ||
495 | int best_pred; | ||
496 | int mot_index; | ||
497 | int prev_x, prev_y, prev_ref; | ||
498 | |||
499 |
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20762 | if ((mb_x ^ mb_y ^ pass) & 1) |
500 | 12859 | continue; | |
501 | av_assert2(fixed[mb_xy] != MV_FROZEN); | ||
502 | |||
503 | |||
504 | av_assert1(!IS_INTRA(s->cur_pic.mb_type[mb_xy])); | ||
505 | av_assert1(s->last_pic.f && s->last_pic.f->data[0]); | ||
506 | |||
507 | 10375 | j = 0; | |
508 |
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10375 | if (mb_x > 0) |
509 | 9916 | j |= fixed[mb_xy - 1]; | |
510 |
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10375 | if (mb_x + 1 < mb_width) |
511 | 9913 | j |= fixed[mb_xy + 1]; | |
512 |
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10375 | if (mb_y > 0) |
513 | 10375 | j |= fixed[mb_xy - mb_stride]; | |
514 |
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10375 | if (mb_y + 1 < mb_height) |
515 | 10292 | j |= fixed[mb_xy + mb_stride]; | |
516 | |||
517 | av_assert2(j & MV_FROZEN); | ||
518 | |||
519 |
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10375 | if (!(j & MV_CHANGED) && pass > 1) |
520 | 2472 | continue; | |
521 | |||
522 | 7903 | none_left = 0; | |
523 | 7903 | pred_count = 0; | |
524 | 7903 | mot_index = (mb_x + mb_y * mot_stride) * mot_step; | |
525 | |||
526 |
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7903 | if (mb_x > 0 && fixed[mb_xy - 1] > 1) { |
527 | 6124 | mv_predictor[pred_count][0] = | |
528 | 6124 | s->cur_pic.motion_val[0][mot_index - mot_step][0]; | |
529 | 6124 | mv_predictor[pred_count][1] = | |
530 | 6124 | s->cur_pic.motion_val[0][mot_index - mot_step][1]; | |
531 | 6124 | ref[pred_count] = | |
532 | 6124 | s->cur_pic.ref_index[0][4 * (mb_xy - 1)]; | |
533 | 6124 | pred_count++; | |
534 | } | ||
535 |
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7903 | if (mb_x + 1 < mb_width && fixed[mb_xy + 1] > 1) { |
536 | 6137 | mv_predictor[pred_count][0] = | |
537 | 6137 | s->cur_pic.motion_val[0][mot_index + mot_step][0]; | |
538 | 6137 | mv_predictor[pred_count][1] = | |
539 | 6137 | s->cur_pic.motion_val[0][mot_index + mot_step][1]; | |
540 | 6137 | ref[pred_count] = | |
541 | 6137 | s->cur_pic.ref_index[0][4 * (mb_xy + 1)]; | |
542 | 6137 | pred_count++; | |
543 | } | ||
544 |
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7903 | if (mb_y > 0 && fixed[mb_xy - mb_stride] > 1) { |
545 | 5118 | mv_predictor[pred_count][0] = | |
546 | 5118 | s->cur_pic.motion_val[0][mot_index - mot_stride * mot_step][0]; | |
547 | 5118 | mv_predictor[pred_count][1] = | |
548 | 5118 | s->cur_pic.motion_val[0][mot_index - mot_stride * mot_step][1]; | |
549 | 5118 | ref[pred_count] = | |
550 | 5118 | s->cur_pic.ref_index[0][4 * (mb_xy - s->mb_stride)]; | |
551 | 5118 | pred_count++; | |
552 | } | ||
553 |
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7903 | if (mb_y + 1<mb_height && fixed[mb_xy + mb_stride] > 1) { |
554 | 4796 | mv_predictor[pred_count][0] = | |
555 | 4796 | s->cur_pic.motion_val[0][mot_index + mot_stride * mot_step][0]; | |
556 | 4796 | mv_predictor[pred_count][1] = | |
557 | 4796 | s->cur_pic.motion_val[0][mot_index + mot_stride * mot_step][1]; | |
558 | 4796 | ref[pred_count] = | |
559 | 4796 | s->cur_pic.ref_index[0][4 * (mb_xy + s->mb_stride)]; | |
560 | 4796 | pred_count++; | |
561 | } | ||
562 |
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7903 | if (pred_count == 0) |
563 | ✗ | continue; | |
564 | |||
565 |
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7903 | if (pred_count > 1) { |
566 | 6589 | int sum_x = 0, sum_y = 0, sum_r = 0; | |
567 | int max_x, max_y, min_x, min_y, max_r, min_r; | ||
568 | |||
569 |
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27450 | for (j = 0; j < pred_count; j++) { |
570 | 20861 | sum_x += mv_predictor[j][0]; | |
571 | 20861 | sum_y += mv_predictor[j][1]; | |
572 | 20861 | sum_r += ref[j]; | |
573 |
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20861 | if (j && ref[j] != ref[j - 1]) |
574 | ✗ | goto skip_mean_and_median; | |
575 | } | ||
576 | |||
577 | /* mean */ | ||
578 | 6589 | mv_predictor[pred_count][0] = sum_x / j; | |
579 | 6589 | mv_predictor[pred_count][1] = sum_y / j; | |
580 | 6589 | ref[pred_count] = sum_r / j; | |
581 | |||
582 | /* median */ | ||
583 |
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6589 | if (pred_count >= 3) { |
584 | 6014 | min_y = min_x = min_r = 99999; | |
585 | 6014 | max_y = max_x = max_r = -99999; | |
586 | } else { | ||
587 | 575 | min_x = min_y = max_x = max_y = min_r = max_r = 0; | |
588 | } | ||
589 |
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27450 | for (j = 0; j < pred_count; j++) { |
590 | 20861 | max_x = FFMAX(max_x, mv_predictor[j][0]); | |
591 | 20861 | max_y = FFMAX(max_y, mv_predictor[j][1]); | |
592 | 20861 | max_r = FFMAX(max_r, ref[j]); | |
593 | 20861 | min_x = FFMIN(min_x, mv_predictor[j][0]); | |
594 | 20861 | min_y = FFMIN(min_y, mv_predictor[j][1]); | |
595 | 20861 | min_r = FFMIN(min_r, ref[j]); | |
596 | } | ||
597 | 6589 | mv_predictor[pred_count + 1][0] = sum_x - max_x - min_x; | |
598 | 6589 | mv_predictor[pred_count + 1][1] = sum_y - max_y - min_y; | |
599 | 6589 | ref[pred_count + 1] = sum_r - max_r - min_r; | |
600 | |||
601 |
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6589 | if (pred_count == 4) { |
602 | 1669 | mv_predictor[pred_count + 1][0] /= 2; | |
603 | 1669 | mv_predictor[pred_count + 1][1] /= 2; | |
604 | 1669 | ref[pred_count + 1] /= 2; | |
605 | } | ||
606 | 6589 | pred_count += 2; | |
607 | } | ||
608 | |||
609 | 1314 | skip_mean_and_median: | |
610 | /* zero MV */ | ||
611 | 7903 | mv_predictor[pred_count][0] = | |
612 | 7903 | mv_predictor[pred_count][1] = | |
613 | 7903 | ref[pred_count] = 0; | |
614 | 7903 | pred_count++; | |
615 | |||
616 | 7903 | prev_x = s->cur_pic.motion_val[0][mot_index][0]; | |
617 | 7903 | prev_y = s->cur_pic.motion_val[0][mot_index][1]; | |
618 | 7903 | prev_ref = s->cur_pic.ref_index[0][4 * mb_xy]; | |
619 | |||
620 | /* last MV */ | ||
621 | 7903 | mv_predictor[pred_count][0] = prev_x; | |
622 | 7903 | mv_predictor[pred_count][1] = prev_y; | |
623 | 7903 | ref[pred_count] = prev_ref; | |
624 | 7903 | pred_count++; | |
625 | |||
626 | 7903 | best_pred = 0; | |
627 | 7903 | best_score = 256 * 256 * 256 * 64; | |
628 |
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59062 | for (j = 0; j < pred_count; j++) { |
629 | 51159 | int *linesize = s->cur_pic.f->linesize; | |
630 | 51159 | int score = 0; | |
631 | 51159 | uint8_t *src = s->cur_pic.f->data[0] + | |
632 | 51159 | mb_x * 16 + mb_y * 16 * linesize[0]; | |
633 | |||
634 | 51159 | s->cur_pic.motion_val[0][mot_index][0] = | |
635 | 51159 | s->mv[0][0][0] = mv_predictor[j][0]; | |
636 | 51159 | s->cur_pic.motion_val[0][mot_index][1] = | |
637 | 51159 | s->mv[0][0][1] = mv_predictor[j][1]; | |
638 | |||
639 | // predictor intra or otherwise not available | ||
640 |
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51159 | if (ref[j] < 0) |
641 | ✗ | continue; | |
642 | |||
643 | 51159 | s->decode_mb(s->opaque, ref[j], MV_DIR_FORWARD, | |
644 | MV_TYPE_16X16, &s->mv, mb_x, mb_y, 0, 0); | ||
645 | |||
646 |
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51159 | if (mb_x > 0 && fixed[mb_xy - 1] > 1) { |
647 | int k; | ||
648 |
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753508 | for (k = 0; k < 16; k++) |
649 | 709184 | score += FFABS(src[k * linesize[0] - 1] - | |
650 | src[k * linesize[0]]); | ||
651 | } | ||
652 |
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51159 | if (mb_x + 1 < mb_width && fixed[mb_xy + 1] > 1) { |
653 | int k; | ||
654 |
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754222 | for (k = 0; k < 16; k++) |
655 | 709856 | score += FFABS(src[k * linesize[0] + 15] - | |
656 | src[k * linesize[0] + 16]); | ||
657 | } | ||
658 |
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51159 | if (mb_y > 0 && fixed[mb_xy - mb_stride] > 1) { |
659 | int k; | ||
660 |
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584477 | for (k = 0; k < 16; k++) |
661 | 550096 | score += FFABS(src[k - linesize[0]] - src[k]); | |
662 | } | ||
663 |
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51159 | if (mb_y + 1 < mb_height && fixed[mb_xy + mb_stride] > 1) { |
664 | int k; | ||
665 |
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551208 | for (k = 0; k < 16; k++) |
666 | 518784 | score += FFABS(src[k + linesize[0] * 15] - | |
667 | src[k + linesize[0] * 16]); | ||
668 | } | ||
669 | |||
670 |
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51159 | if (score <= best_score) { // <= will favor the last MV |
671 | 26196 | best_score = score; | |
672 | 26196 | best_pred = j; | |
673 | } | ||
674 | } | ||
675 | 7903 | s->mv[0][0][0] = mv_predictor[best_pred][0]; | |
676 | 7903 | s->mv[0][0][1] = mv_predictor[best_pred][1]; | |
677 | |||
678 |
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23709 | for (i = 0; i < mot_step; i++) |
679 |
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47418 | for (j = 0; j < mot_step; j++) { |
680 | 31612 | s->cur_pic.motion_val[0][mot_index + i + j * mot_stride][0] = s->mv[0][0][0]; | |
681 | 31612 | s->cur_pic.motion_val[0][mot_index + i + j * mot_stride][1] = s->mv[0][0][1]; | |
682 | } | ||
683 | |||
684 | 7903 | s->decode_mb(s->opaque, ref[best_pred], MV_DIR_FORWARD, | |
685 | MV_TYPE_16X16, &s->mv, mb_x, mb_y, 0, 0); | ||
686 | |||
687 | |||
688 |
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7903 | if (s->mv[0][0][0] != prev_x || s->mv[0][0][1] != prev_y) { |
689 | 3425 | fixed[mb_xy] = MV_CHANGED; | |
690 | 3425 | changed++; | |
691 | } else | ||
692 | 4478 | fixed[mb_xy] = MV_UNCHANGED; | |
693 | } | ||
694 | } | ||
695 | |||
696 |
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118 | if (none_left) |
697 | 30 | return; | |
698 | |||
699 | 88 | next_blocklist_length = 0; | |
700 | |||
701 |
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3114 | for (blocklist_index = 0; blocklist_index < blocklist_length; blocklist_index++) { |
702 | 3026 | const int mb_x = blocklist[blocklist_index][0]; | |
703 | 3026 | const int mb_y = blocklist[blocklist_index][1]; | |
704 | 3026 | const int mb_xy = mb_x + mb_y * mb_stride; | |
705 | |||
706 |
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3026 | if (fixed[mb_xy] & (MV_CHANGED|MV_UNCHANGED|MV_FROZEN)) { |
707 | 3026 | fixed[mb_xy] = MV_FROZEN; | |
708 |
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3026 | if (mb_x > 0) |
709 | 2890 | add_blocklist(next_blocklist, &next_blocklist_length, fixed, mb_x - 1, mb_y, mb_xy - 1); | |
710 |
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3026 | if (mb_y > 0) |
711 | 3026 | add_blocklist(next_blocklist, &next_blocklist_length, fixed, mb_x, mb_y - 1, mb_xy - mb_stride); | |
712 |
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3026 | if (mb_x + 1 < mb_width) |
713 | 2891 | add_blocklist(next_blocklist, &next_blocklist_length, fixed, mb_x + 1, mb_y, mb_xy + 1); | |
714 |
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3026 | if (mb_y + 1 < mb_height) |
715 | 2992 | add_blocklist(next_blocklist, &next_blocklist_length, fixed, mb_x, mb_y + 1, mb_xy + mb_stride); | |
716 | } | ||
717 | } | ||
718 |
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88 | av_assert0(next_blocklist_length <= mb_height * mb_width); |
719 | 88 | FFSWAP(int , blocklist_length, next_blocklist_length); | |
720 | 88 | FFSWAP(void*, blocklist, next_blocklist); | |
721 | } | ||
722 | } | ||
723 | |||
724 | 31 | static int is_intra_more_likely(ERContext *s) | |
725 | { | ||
726 | int is_intra_likely, i, j, undamaged_count, skip_amount, mb_x, mb_y; | ||
727 | |||
728 |
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31 | if (!s->last_pic.f || !s->last_pic.f->data[0]) |
729 | 4 | return 1; // no previous frame available -> use spatial prediction | |
730 | |||
731 |
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27 | if (s->avctx->error_concealment & FF_EC_FAVOR_INTER) |
732 | ✗ | return 0; | |
733 | |||
734 | 27 | undamaged_count = 0; | |
735 |
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10543 | for (i = 0; i < s->mb_num; i++) { |
736 | 10516 | const int mb_xy = s->mb_index2xy[i]; | |
737 | 10516 | const int error = s->error_status_table[mb_xy]; | |
738 |
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10516 | if (!((error & ER_DC_ERROR) && (error & ER_MV_ERROR))) |
739 | 7270 | undamaged_count++; | |
740 | } | ||
741 | |||
742 |
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27 | if (undamaged_count < 5) |
743 | 1 | return 0; // almost all MBs damaged -> use temporal prediction | |
744 | |||
745 |
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26 | skip_amount = FFMAX(undamaged_count / 50, 1); // check only up to 50 MBs |
746 | 26 | is_intra_likely = 0; | |
747 | |||
748 | 26 | j = 0; | |
749 |
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468 | for (mb_y = 0; mb_y < s->mb_height - 1; mb_y++) { |
750 |
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10166 | for (mb_x = 0; mb_x < s->mb_width; mb_x++) { |
751 | int error; | ||
752 | 9724 | const int mb_xy = mb_x + mb_y * s->mb_stride; | |
753 | |||
754 | 9724 | error = s->error_status_table[mb_xy]; | |
755 |
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9724 | if ((error & ER_DC_ERROR) && (error & ER_MV_ERROR)) |
756 | 2992 | continue; // skip damaged | |
757 | |||
758 | 6732 | j++; | |
759 | // skip a few to speed things up | ||
760 |
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6732 | if ((j % skip_amount) != 0) |
761 | 5384 | continue; | |
762 | |||
763 |
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1348 | if (s->cur_pic.f->pict_type == AV_PICTURE_TYPE_I) { |
764 | 355 | int *linesize = s->cur_pic.f->linesize; | |
765 | 355 | uint8_t *mb_ptr = s->cur_pic.f->data[0] + | |
766 | 355 | mb_x * 16 + mb_y * 16 * linesize[0]; | |
767 | 355 | uint8_t *last_mb_ptr = s->last_pic.f->data[0] + | |
768 | 355 | mb_x * 16 + mb_y * 16 * linesize[0]; | |
769 | |||
770 |
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355 | if (s->avctx->codec_id == AV_CODEC_ID_H264) { |
771 | // FIXME | ||
772 | } else { | ||
773 | 355 | ff_thread_progress_await(s->last_pic.progress, mb_y); | |
774 | } | ||
775 | 710 | is_intra_likely += s->sad(NULL, last_mb_ptr, mb_ptr, | |
776 | 355 | linesize[0], 16); | |
777 | // FIXME need await_progress() here | ||
778 | 355 | is_intra_likely -= s->sad(NULL, last_mb_ptr, | |
779 | 355 | last_mb_ptr + linesize[0] * 16, | |
780 | 355 | linesize[0], 16); | |
781 | } else { | ||
782 |
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993 | if (IS_INTRA(s->cur_pic.mb_type[mb_xy])) |
783 | 58 | is_intra_likely++; | |
784 | else | ||
785 | 935 | is_intra_likely--; | |
786 | } | ||
787 | } | ||
788 | } | ||
789 | // av_log(NULL, AV_LOG_ERROR, "is_intra_likely: %d type:%d\n", is_intra_likely, s->pict_type); | ||
790 | 26 | return is_intra_likely > 0; | |
791 | } | ||
792 | |||
793 | 36615 | void ff_er_frame_start(ERContext *s) | |
794 | { | ||
795 |
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36615 | if (!s->avctx->error_concealment) |
796 | 224 | return; | |
797 | |||
798 |
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36391 | if (!s->mecc_inited) { |
799 | MECmpContext mecc; | ||
800 | 820 | ff_me_cmp_init(&mecc, s->avctx); | |
801 | 820 | s->sad = mecc.sad[0]; | |
802 | 820 | s->mecc_inited = 1; | |
803 | } | ||
804 | |||
805 | 36391 | memset(s->error_status_table, ER_MB_ERROR | VP_START | ER_MB_END, | |
806 | 36391 | s->mb_stride * s->mb_height * sizeof(uint8_t)); | |
807 | 36391 | atomic_init(&s->error_count, 3 * s->mb_num); | |
808 | 36391 | s->error_occurred = 0; | |
809 | } | ||
810 | |||
811 | 113845 | static int er_supported(ERContext *s) | |
812 | { | ||
813 |
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113845 | if (s->avctx->hwaccel || |
814 |
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113845 | !s->cur_pic.f || |
815 |
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102153 | s->cur_pic.field_picture |
816 | ) | ||
817 | 24554 | return 0; | |
818 | 89291 | return 1; | |
819 | } | ||
820 | |||
821 | /** | ||
822 | * Add a slice. | ||
823 | * @param endx x component of the last macroblock, can be -1 | ||
824 | * for the last of the previous line | ||
825 | * @param status the status at the end (ER_MV_END, ER_AC_ERROR, ...), it is | ||
826 | * assumed that no earlier end or error of the same type occurred | ||
827 | */ | ||
828 | 182128 | void ff_er_add_slice(ERContext *s, int startx, int starty, | |
829 | int endx, int endy, int status) | ||
830 | { | ||
831 | 182128 | const int start_i = av_clip(startx + starty * s->mb_width, 0, s->mb_num - 1); | |
832 | 182128 | const int end_i = av_clip(endx + endy * s->mb_width, 0, s->mb_num); | |
833 | 182128 | const int start_xy = s->mb_index2xy[start_i]; | |
834 | 182128 | const int end_xy = s->mb_index2xy[end_i]; | |
835 | 182128 | int mask = -1; | |
836 | |||
837 |
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182128 | if (s->avctx->hwaccel) |
838 | ✗ | return; | |
839 | |||
840 |
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182128 | if (start_i > end_i || start_xy > end_xy) { |
841 | ✗ | av_log(s->avctx, AV_LOG_ERROR, | |
842 | "internal error, slice end before start\n"); | ||
843 | ✗ | return; | |
844 | } | ||
845 | |||
846 |
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182128 | if (!s->avctx->error_concealment) |
847 | 10964 | return; | |
848 | |||
849 | 171164 | mask &= ~VP_START; | |
850 |
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171164 | if (status & (ER_AC_ERROR | ER_AC_END)) { |
851 | 168207 | mask &= ~(ER_AC_ERROR | ER_AC_END); | |
852 | 168207 | atomic_fetch_add(&s->error_count, start_i - end_i - 1); | |
853 | } | ||
854 |
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171164 | if (status & (ER_DC_ERROR | ER_DC_END)) { |
855 | 168207 | mask &= ~(ER_DC_ERROR | ER_DC_END); | |
856 | 168207 | atomic_fetch_add(&s->error_count, start_i - end_i - 1); | |
857 | } | ||
858 |
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171164 | if (status & (ER_MV_ERROR | ER_MV_END)) { |
859 | 168207 | mask &= ~(ER_MV_ERROR | ER_MV_END); | |
860 | 168207 | atomic_fetch_add(&s->error_count, start_i - end_i - 1); | |
861 | } | ||
862 | |||
863 |
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171164 | if (status & ER_MB_ERROR) { |
864 | 6 | s->error_occurred = 1; | |
865 | 6 | atomic_store(&s->error_count, INT_MAX); | |
866 | } | ||
867 | |||
868 |
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171164 | if (mask == ~0x7F) { |
869 | 166479 | memset(&s->error_status_table[start_xy], 0, | |
870 | 166479 | (end_xy - start_xy) * sizeof(uint8_t)); | |
871 | } else { | ||
872 | int i; | ||
873 |
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414133 | for (i = start_xy; i < end_xy; i++) |
874 | 409448 | s->error_status_table[i] &= mask; | |
875 | } | ||
876 | |||
877 |
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171164 | if (end_i == s->mb_num) |
878 | 3913 | atomic_store(&s->error_count, INT_MAX); | |
879 | else { | ||
880 | 167251 | s->error_status_table[end_xy] &= mask; | |
881 | 167251 | s->error_status_table[end_xy] |= status; | |
882 | } | ||
883 | |||
884 | 171164 | s->error_status_table[start_xy] |= VP_START; | |
885 | |||
886 |
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284483 | if (start_xy > 0 && !(s->avctx->active_thread_type & FF_THREAD_SLICE) && |
887 |
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202579 | er_supported(s) && s->avctx->skip_top * s->mb_width < start_i) { |
888 | 89260 | int prev_status = s->error_status_table[s->mb_index2xy[start_i - 1]]; | |
889 | |||
890 | 89260 | prev_status &= ~ VP_START; | |
891 |
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89260 | if (prev_status != (ER_MV_END | ER_DC_END | ER_AC_END)) { |
892 | 77 | s->error_occurred = 1; | |
893 | 77 | atomic_store(&s->error_count, INT_MAX); | |
894 | } | ||
895 | } | ||
896 | } | ||
897 | |||
898 | 32113 | void ff_er_frame_end(ERContext *s, int *decode_error_flags) | |
899 | { | ||
900 | 32113 | int *linesize = NULL; | |
901 | int i, mb_x, mb_y, error, error_type, dc_error, mv_error, ac_error; | ||
902 | int distance; | ||
903 | 32113 | int threshold_part[4] = { 100, 100, 100 }; | |
904 | 32113 | int threshold = 50; | |
905 | int is_intra_likely; | ||
906 | 32113 | int size = s->b8_stride * 2 * s->mb_height; | |
907 | int guessed_mb_type; | ||
908 | |||
909 | /* We do not support ER of field pictures yet, | ||
910 | * though it should not crash if enabled. */ | ||
911 |
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32113 | if (!s->avctx->error_concealment || !atomic_load(&s->error_count) || |
912 |
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1052 | s->avctx->lowres || |
913 | 526 | !er_supported(s) || | |
914 | 31 | atomic_load(&s->error_count) == 3 * s->mb_width * | |
915 |
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31 | (s->avctx->skip_top + s->avctx->skip_bottom)) { |
916 | 32082 | return; | |
917 | } | ||
918 | 31 | linesize = s->cur_pic.f->linesize; | |
919 | |||
920 |
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31 | 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 |
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31 | if (s->last_pic.f) { |
936 |
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27 | if (s->last_pic.f->width != s->cur_pic.f->width || |
937 |
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27 | s->last_pic.f->height != s->cur_pic.f->height || |
938 |
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27 | 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 |
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31 | if (s->next_pic.f) { |
944 |
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30 | if (s->next_pic.f->width != s->cur_pic.f->width || |
945 |
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30 | s->next_pic.f->height != s->cur_pic.f->height || |
946 |
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30 | 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 |
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31 | 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[i] = av_calloc(s->mb_stride * s->mb_height, 4 * sizeof(uint8_t)); | |
957 | ✗ | s->motion_val_base[i] = av_calloc(size + 4, 2 * sizeof(uint16_t)); | |
958 | ✗ | if (!s->ref_index[i] || !s->motion_val_base[i]) | |
959 | ✗ | goto cleanup; | |
960 | ✗ | s->cur_pic.ref_index[i] = s->ref_index[i]; | |
961 | ✗ | s->cur_pic.motion_val[i] = s->motion_val_base[i] + 4; | |
962 | } | ||
963 | } | ||
964 | |||
965 |
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31 | if (s->avctx->debug & FF_DEBUG_ER) { |
966 | ✗ | for (mb_y = 0; mb_y < s->mb_height; mb_y++) { | |
967 | ✗ | for (mb_x = 0; mb_x < s->mb_width; mb_x++) { | |
968 | ✗ | int status = s->error_status_table[mb_x + mb_y * s->mb_stride]; | |
969 | |||
970 | ✗ | av_log(s->avctx, AV_LOG_DEBUG, "%2X ", status); | |
971 | } | ||
972 | ✗ | av_log(s->avctx, AV_LOG_DEBUG, "\n"); | |
973 | } | ||
974 | } | ||
975 | |||
976 | #if 1 | ||
977 | /* handle overlapping slices */ | ||
978 |
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124 | for (error_type = 1; error_type <= 3; error_type++) { |
979 | 93 | int end_ok = 0; | |
980 | |||
981 |
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36105 | for (i = s->mb_num - 1; i >= 0; i--) { |
982 | 36012 | const int mb_xy = s->mb_index2xy[i]; | |
983 | 36012 | int error = s->error_status_table[mb_xy]; | |
984 | |||
985 |
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36012 | if (error & (1 << error_type)) |
986 | 10287 | end_ok = 1; | |
987 |
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|
36012 | if (error & (8 << error_type)) |
988 | 10671 | end_ok = 1; | |
989 | |||
990 |
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36012 | if (!end_ok) |
991 | ✗ | s->error_status_table[mb_xy] |= 1 << error_type; | |
992 | |||
993 |
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36012 | if (error & VP_START) |
994 | 10677 | end_ok = 0; | |
995 | } | ||
996 | } | ||
997 | #endif | ||
998 | #if 1 | ||
999 | /* handle slices with partitions of different length */ | ||
1000 |
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31 | if (s->partitioned_frame) { |
1001 | 29 | int end_ok = 0; | |
1002 | |||
1003 |
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11513 | for (i = s->mb_num - 1; i >= 0; i--) { |
1004 | 11484 | const int mb_xy = s->mb_index2xy[i]; | |
1005 | 11484 | int error = s->error_status_table[mb_xy]; | |
1006 | |||
1007 |
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11484 | if (error & ER_AC_END) |
1008 | 3312 | end_ok = 0; | |
1009 |
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11484 | if ((error & ER_MV_END) || |
1010 |
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8172 | (error & ER_DC_END) || |
1011 |
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8172 | (error & ER_AC_ERROR)) |
1012 | 3312 | end_ok = 1; | |
1013 | |||
1014 |
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11484 | if (!end_ok) |
1015 | ✗ | s->error_status_table[mb_xy]|= ER_AC_ERROR; | |
1016 | |||
1017 |
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11484 | if (error & VP_START) |
1018 | 3312 | end_ok = 0; | |
1019 | } | ||
1020 | } | ||
1021 | #endif | ||
1022 | /* handle missing slices */ | ||
1023 |
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31 | if (s->avctx->err_recognition & AV_EF_EXPLODE) { |
1024 | ✗ | int end_ok = 1; | |
1025 | |||
1026 | // FIXME + 100 hack | ||
1027 | ✗ | for (i = s->mb_num - 2; i >= s->mb_width + 100; i--) { | |
1028 | ✗ | const int mb_xy = s->mb_index2xy[i]; | |
1029 | ✗ | int error1 = s->error_status_table[mb_xy]; | |
1030 | ✗ | int error2 = s->error_status_table[s->mb_index2xy[i + 1]]; | |
1031 | |||
1032 | ✗ | if (error1 & VP_START) | |
1033 | ✗ | end_ok = 1; | |
1034 | |||
1035 | ✗ | if (error2 == (VP_START | ER_MB_ERROR | ER_MB_END) && | |
1036 | ✗ | error1 != (VP_START | ER_MB_ERROR | ER_MB_END) && | |
1037 | ✗ | ((error1 & ER_AC_END) || (error1 & ER_DC_END) || | |
1038 | ✗ | (error1 & ER_MV_END))) { | |
1039 | // end & uninit | ||
1040 | ✗ | end_ok = 0; | |
1041 | } | ||
1042 | |||
1043 | ✗ | if (!end_ok) | |
1044 | ✗ | s->error_status_table[mb_xy] |= ER_MB_ERROR; | |
1045 | } | ||
1046 | } | ||
1047 | |||
1048 | #if 1 | ||
1049 | /* backward mark errors */ | ||
1050 | 31 | distance = 9999999; | |
1051 |
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124 | for (error_type = 1; error_type <= 3; error_type++) { |
1052 |
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36105 | for (i = s->mb_num - 1; i >= 0; i--) { |
1053 | 36012 | const int mb_xy = s->mb_index2xy[i]; | |
1054 | 36012 | int error = s->error_status_table[mb_xy]; | |
1055 | |||
1056 |
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36012 | if (!s->mbskip_table || !s->mbskip_table[mb_xy]) // FIXME partition specific |
1057 | 35808 | distance++; | |
1058 |
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36012 | if (error & (1 << error_type)) |
1059 | 10287 | distance = 0; | |
1060 | |||
1061 |
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36012 | if (s->partitioned_frame) { |
1062 |
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34452 | if (distance < threshold_part[error_type - 1]) |
1063 | 9546 | s->error_status_table[mb_xy] |= 1 << error_type; | |
1064 | } else { | ||
1065 |
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|
1560 | if (distance < threshold) |
1066 | 957 | s->error_status_table[mb_xy] |= 1 << error_type; | |
1067 | } | ||
1068 | |||
1069 |
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36012 | if (error & VP_START) |
1070 | 10677 | distance = 9999999; | |
1071 | } | ||
1072 | } | ||
1073 | #endif | ||
1074 | |||
1075 | /* forward mark errors */ | ||
1076 | 31 | error = 0; | |
1077 |
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12035 | for (i = 0; i < s->mb_num; i++) { |
1078 | 12004 | const int mb_xy = s->mb_index2xy[i]; | |
1079 | 12004 | int old_error = s->error_status_table[mb_xy]; | |
1080 | |||
1081 |
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12004 | if (old_error & VP_START) { |
1082 | 3559 | error = old_error & ER_MB_ERROR; | |
1083 | } else { | ||
1084 | 8445 | error |= old_error & ER_MB_ERROR; | |
1085 | 8445 | s->error_status_table[mb_xy] |= error; | |
1086 | } | ||
1087 | } | ||
1088 | #if 1 | ||
1089 | /* handle not partitioned case */ | ||
1090 |
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|
31 | if (!s->partitioned_frame) { |
1091 |
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522 | for (i = 0; i < s->mb_num; i++) { |
1092 | 520 | const int mb_xy = s->mb_index2xy[i]; | |
1093 | 520 | int error = s->error_status_table[mb_xy]; | |
1094 |
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520 | if (error & ER_MB_ERROR) |
1095 | 319 | error |= ER_MB_ERROR; | |
1096 | 520 | s->error_status_table[mb_xy] = error; | |
1097 | } | ||
1098 | } | ||
1099 | #endif | ||
1100 | |||
1101 | 31 | dc_error = ac_error = mv_error = 0; | |
1102 |
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12035 | for (i = 0; i < s->mb_num; i++) { |
1103 | 12004 | const int mb_xy = s->mb_index2xy[i]; | |
1104 | 12004 | int error = s->error_status_table[mb_xy]; | |
1105 |
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12004 | if (error & ER_DC_ERROR) |
1106 | 3501 | dc_error++; | |
1107 |
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12004 | if (error & ER_AC_ERROR) |
1108 | 3501 | ac_error++; | |
1109 |
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12004 | if (error & ER_MV_ERROR) |
1110 | 3501 | mv_error++; | |
1111 | } | ||
1112 | 31 | av_log(s->avctx, AV_LOG_INFO, "concealing %d DC, %d AC, %d MV errors in %c frame\n", | |
1113 | 31 | dc_error, ac_error, mv_error, av_get_picture_type_char(s->cur_pic.f->pict_type)); | |
1114 | |||
1115 |
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31 | if (decode_error_flags) |
1116 | 1 | *decode_error_flags |= FF_DECODE_ERROR_CONCEALMENT_ACTIVE; | |
1117 | else | ||
1118 | 30 | s->cur_pic.f->decode_error_flags |= FF_DECODE_ERROR_CONCEALMENT_ACTIVE; | |
1119 | |||
1120 | 31 | is_intra_likely = is_intra_more_likely(s); | |
1121 | |||
1122 | /* set unknown mb-type to most likely */ | ||
1123 |
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|
58 | guessed_mb_type = is_intra_likely ? MB_TYPE_INTRA4x4 : |
1124 |
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|
27 | (MB_TYPE_16x16 | (s->avctx->codec_id == AV_CODEC_ID_H264 ? MB_TYPE_L0 : MB_TYPE_FORWARD_MV)); |
1125 |
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12035 | for (i = 0; i < s->mb_num; i++) { |
1126 | 12004 | const int mb_xy = s->mb_index2xy[i]; | |
1127 | 12004 | int error = s->error_status_table[mb_xy]; | |
1128 |
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12004 | if (!((error & ER_DC_ERROR) && (error & ER_MV_ERROR))) |
1129 | 8503 | continue; | |
1130 | |||
1131 | 3501 | s->cur_pic.mb_type[mb_xy] = guessed_mb_type; | |
1132 | } | ||
1133 | |||
1134 | // change inter to intra blocks if no reference frames are available | ||
1135 |
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31 | if (!(s->last_pic.f && s->last_pic.f->data[0]) && |
1136 |
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4 | !(s->next_pic.f && s->next_pic.f->data[0])) |
1137 |
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301 | for (i = 0; i < s->mb_num; i++) { |
1138 | 300 | const int mb_xy = s->mb_index2xy[i]; | |
1139 |
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300 | if (!IS_INTRA(s->cur_pic.mb_type[mb_xy])) |
1140 | ✗ | s->cur_pic.mb_type[mb_xy] = MB_TYPE_INTRA4x4; | |
1141 | } | ||
1142 | |||
1143 | /* handle inter blocks with damaged AC */ | ||
1144 |
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|
579 | for (mb_y = 0; mb_y < s->mb_height; mb_y++) { |
1145 |
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|
12552 | for (mb_x = 0; mb_x < s->mb_width; mb_x++) { |
1146 | 12004 | const int mb_xy = mb_x + mb_y * s->mb_stride; | |
1147 | 12004 | const int mb_type = s->cur_pic.mb_type[mb_xy]; | |
1148 |
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|
12004 | const int dir = !(s->last_pic.f && s->last_pic.f->data[0]); |
1149 |
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|
12004 | const int mv_dir = dir ? MV_DIR_BACKWARD : MV_DIR_FORWARD; |
1150 | int mv_type; | ||
1151 | |||
1152 | 12004 | int error = s->error_status_table[mb_xy]; | |
1153 | |||
1154 |
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12004 | if (IS_INTRA(mb_type)) |
1155 | 4155 | continue; // intra | |
1156 |
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|
7849 | if (error & ER_MV_ERROR) |
1157 | 3246 | continue; // inter with damaged MV | |
1158 |
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|
4603 | if (!(error & ER_AC_ERROR)) |
1159 | 4603 | continue; // undamaged inter | |
1160 | |||
1161 | ✗ | if (IS_8X8(mb_type)) { | |
1162 | ✗ | int mb_index = mb_x * 2 + mb_y * 2 * s->b8_stride; | |
1163 | int j; | ||
1164 | ✗ | mv_type = MV_TYPE_8X8; | |
1165 | ✗ | for (j = 0; j < 4; j++) { | |
1166 | ✗ | s->mv[0][j][0] = s->cur_pic.motion_val[dir][mb_index + (j & 1) + (j >> 1) * s->b8_stride][0]; | |
1167 | ✗ | s->mv[0][j][1] = s->cur_pic.motion_val[dir][mb_index + (j & 1) + (j >> 1) * s->b8_stride][1]; | |
1168 | } | ||
1169 | } else { | ||
1170 | ✗ | mv_type = MV_TYPE_16X16; | |
1171 | ✗ | s->mv[0][0][0] = s->cur_pic.motion_val[dir][mb_x * 2 + mb_y * 2 * s->b8_stride][0]; | |
1172 | ✗ | s->mv[0][0][1] = s->cur_pic.motion_val[dir][mb_x * 2 + mb_y * 2 * s->b8_stride][1]; | |
1173 | } | ||
1174 | |||
1175 | ✗ | s->decode_mb(s->opaque, 0 /* FIXME H.264 partitioned slices need this set */, | |
1176 | mv_dir, mv_type, &s->mv, mb_x, mb_y, 0, 0); | ||
1177 | } | ||
1178 | } | ||
1179 | |||
1180 | /* guess MVs */ | ||
1181 |
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|
31 | if (s->cur_pic.f->pict_type == AV_PICTURE_TYPE_B) { |
1182 | ✗ | for (mb_y = 0; mb_y < s->mb_height; mb_y++) { | |
1183 | ✗ | for (mb_x = 0; mb_x < s->mb_width; mb_x++) { | |
1184 | ✗ | int xy = mb_x * 2 + mb_y * 2 * s->b8_stride; | |
1185 | ✗ | const int mb_xy = mb_x + mb_y * s->mb_stride; | |
1186 | ✗ | const int mb_type = s->cur_pic.mb_type[mb_xy]; | |
1187 | ✗ | int mv_dir = MV_DIR_FORWARD | MV_DIR_BACKWARD; | |
1188 | |||
1189 | ✗ | int error = s->error_status_table[mb_xy]; | |
1190 | |||
1191 | ✗ | if (IS_INTRA(mb_type)) | |
1192 | ✗ | continue; | |
1193 | ✗ | if (!(error & ER_MV_ERROR)) | |
1194 | ✗ | continue; // inter with undamaged MV | |
1195 | ✗ | if (!(error & ER_AC_ERROR)) | |
1196 | ✗ | continue; // undamaged inter | |
1197 | |||
1198 | ✗ | if (!(s->last_pic.f && s->last_pic.f->data[0])) | |
1199 | ✗ | mv_dir &= ~MV_DIR_FORWARD; | |
1200 | ✗ | if (!(s->next_pic.f && s->next_pic.f->data[0])) | |
1201 | ✗ | mv_dir &= ~MV_DIR_BACKWARD; | |
1202 | |||
1203 | ✗ | if (s->pp_time) { | |
1204 | ✗ | int time_pp = s->pp_time; | |
1205 | ✗ | int time_pb = s->pb_time; | |
1206 | |||
1207 | ✗ | av_assert0(s->avctx->codec_id != AV_CODEC_ID_H264); | |
1208 | ✗ | ff_thread_progress_await(s->next_pic.progress, mb_y); | |
1209 | |||
1210 | ✗ | s->mv[0][0][0] = s->next_pic.motion_val[0][xy][0] * time_pb / time_pp; | |
1211 | ✗ | s->mv[0][0][1] = s->next_pic.motion_val[0][xy][1] * time_pb / time_pp; | |
1212 | ✗ | s->mv[1][0][0] = s->next_pic.motion_val[0][xy][0] * (time_pb - time_pp) / time_pp; | |
1213 | ✗ | s->mv[1][0][1] = s->next_pic.motion_val[0][xy][1] * (time_pb - time_pp) / time_pp; | |
1214 | } else { | ||
1215 | ✗ | s->mv[0][0][0] = 0; | |
1216 | ✗ | s->mv[0][0][1] = 0; | |
1217 | ✗ | s->mv[1][0][0] = 0; | |
1218 | ✗ | s->mv[1][0][1] = 0; | |
1219 | } | ||
1220 | |||
1221 | ✗ | s->decode_mb(s->opaque, 0, mv_dir, MV_TYPE_16X16, &s->mv, | |
1222 | mb_x, mb_y, 0, 0); | ||
1223 | } | ||
1224 | } | ||
1225 | } else | ||
1226 | 31 | guess_mv(s); | |
1227 | |||
1228 | /* fill DC for inter blocks */ | ||
1229 |
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579 | for (mb_y = 0; mb_y < s->mb_height; mb_y++) { |
1230 |
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|
12552 | for (mb_x = 0; mb_x < s->mb_width; mb_x++) { |
1231 | int dc, dcu, dcv, y, n; | ||
1232 | int16_t *dc_ptr; | ||
1233 | uint8_t *dest_y, *dest_cb, *dest_cr; | ||
1234 | 12004 | const int mb_xy = mb_x + mb_y * s->mb_stride; | |
1235 | 12004 | const int mb_type = s->cur_pic.mb_type[mb_xy]; | |
1236 | |||
1237 | // error = s->error_status_table[mb_xy]; | ||
1238 | |||
1239 |
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|
12004 | if (IS_INTRA(mb_type) && s->partitioned_frame) |
1240 | 3855 | continue; | |
1241 | // if (error & ER_MV_ERROR) | ||
1242 | // continue; // inter data damaged FIXME is this good? | ||
1243 | |||
1244 | 8149 | dest_y = s->cur_pic.f->data[0] + mb_x * 16 + mb_y * 16 * linesize[0]; | |
1245 | 8149 | dest_cb = s->cur_pic.f->data[1] + mb_x * 8 + mb_y * 8 * linesize[1]; | |
1246 | 8149 | dest_cr = s->cur_pic.f->data[2] + mb_x * 8 + mb_y * 8 * linesize[2]; | |
1247 | |||
1248 | 8149 | dc_ptr = &s->dc_val[0][mb_x * 2 + mb_y * 2 * s->b8_stride]; | |
1249 |
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40745 | for (n = 0; n < 4; n++) { |
1250 | 32596 | dc = 0; | |
1251 |
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293364 | for (y = 0; y < 8; y++) { |
1252 | int x; | ||
1253 |
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|
2346912 | for (x = 0; x < 8; x++) |
1254 | 2086144 | dc += dest_y[x + (n & 1) * 8 + | |
1255 | 2086144 | (y + (n >> 1) * 8) * linesize[0]]; | |
1256 | } | ||
1257 | 32596 | dc_ptr[(n & 1) + (n >> 1) * s->b8_stride] = (dc + 4) >> 3; | |
1258 | } | ||
1259 | |||
1260 |
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8149 | if (!s->cur_pic.f->data[2]) |
1261 | ✗ | continue; | |
1262 | |||
1263 | 8149 | dcu = dcv = 0; | |
1264 |
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73341 | for (y = 0; y < 8; y++) { |
1265 | int x; | ||
1266 |
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586728 | for (x = 0; x < 8; x++) { |
1267 | 521536 | dcu += dest_cb[x + y * linesize[1]]; | |
1268 | 521536 | dcv += dest_cr[x + y * linesize[2]]; | |
1269 | } | ||
1270 | } | ||
1271 | 8149 | s->dc_val[1][mb_x + mb_y * s->mb_stride] = (dcu + 4) >> 3; | |
1272 | 8149 | s->dc_val[2][mb_x + mb_y * s->mb_stride] = (dcv + 4) >> 3; | |
1273 | } | ||
1274 | } | ||
1275 | #if 1 | ||
1276 | /* guess DC for damaged blocks */ | ||
1277 | 31 | guess_dc(s, s->dc_val[0], s->mb_width*2, s->mb_height*2, s->b8_stride, 1); | |
1278 | 31 | guess_dc(s, s->dc_val[1], s->mb_width , s->mb_height , s->mb_stride, 0); | |
1279 | 31 | guess_dc(s, s->dc_val[2], s->mb_width , s->mb_height , s->mb_stride, 0); | |
1280 | #endif | ||
1281 | |||
1282 | /* filter luma DC */ | ||
1283 | 31 | filter181(s->dc_val[0], s->mb_width * 2, s->mb_height * 2, s->b8_stride); | |
1284 | |||
1285 | #if 1 | ||
1286 | /* render DC only intra */ | ||
1287 |
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579 | for (mb_y = 0; mb_y < s->mb_height; mb_y++) { |
1288 |
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12552 | for (mb_x = 0; mb_x < s->mb_width; mb_x++) { |
1289 | uint8_t *dest_y, *dest_cb, *dest_cr; | ||
1290 | 12004 | const int mb_xy = mb_x + mb_y * s->mb_stride; | |
1291 | 12004 | const int mb_type = s->cur_pic.mb_type[mb_xy]; | |
1292 | |||
1293 | 12004 | int error = s->error_status_table[mb_xy]; | |
1294 | |||
1295 |
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12004 | if (IS_INTER(mb_type)) |
1296 | 7849 | continue; | |
1297 |
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4155 | if (!(error & ER_AC_ERROR)) |
1298 | 3900 | continue; // undamaged | |
1299 | |||
1300 | 255 | dest_y = s->cur_pic.f->data[0] + mb_x * 16 + mb_y * 16 * linesize[0]; | |
1301 | 255 | dest_cb = s->cur_pic.f->data[1] + mb_x * 8 + mb_y * 8 * linesize[1]; | |
1302 | 255 | dest_cr = s->cur_pic.f->data[2] + mb_x * 8 + mb_y * 8 * linesize[2]; | |
1303 |
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255 | if (!s->cur_pic.f->data[2]) |
1304 | ✗ | dest_cb = dest_cr = NULL; | |
1305 | |||
1306 | 255 | put_dc(s, dest_y, dest_cb, dest_cr, mb_x, mb_y); | |
1307 | } | ||
1308 | } | ||
1309 | #endif | ||
1310 | |||
1311 |
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31 | if (s->avctx->error_concealment & FF_EC_DEBLOCK) { |
1312 | /* filter horizontal block boundaries */ | ||
1313 | 31 | h_block_filter(s, s->cur_pic.f->data[0], s->mb_width * 2, | |
1314 | 31 | s->mb_height * 2, linesize[0], 1); | |
1315 | |||
1316 | /* filter vertical block boundaries */ | ||
1317 | 31 | v_block_filter(s, s->cur_pic.f->data[0], s->mb_width * 2, | |
1318 | 31 | s->mb_height * 2, linesize[0], 1); | |
1319 | |||
1320 |
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31 | if (s->cur_pic.f->data[2]) { |
1321 | 31 | h_block_filter(s, s->cur_pic.f->data[1], s->mb_width, | |
1322 | 31 | s->mb_height, linesize[1], 0); | |
1323 | 31 | h_block_filter(s, s->cur_pic.f->data[2], s->mb_width, | |
1324 | 31 | s->mb_height, linesize[2], 0); | |
1325 | 31 | v_block_filter(s, s->cur_pic.f->data[1], s->mb_width, | |
1326 | 31 | s->mb_height, linesize[1], 0); | |
1327 | 31 | v_block_filter(s, s->cur_pic.f->data[2], s->mb_width, | |
1328 | 31 | s->mb_height, linesize[2], 0); | |
1329 | } | ||
1330 | } | ||
1331 | |||
1332 | /* clean a few tables */ | ||
1333 |
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12035 | for (i = 0; i < s->mb_num; i++) { |
1334 | 12004 | const int mb_xy = s->mb_index2xy[i]; | |
1335 | 12004 | int error = s->error_status_table[mb_xy]; | |
1336 | |||
1337 |
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12004 | if (s->mbskip_table && s->cur_pic.f->pict_type != AV_PICTURE_TYPE_B && |
1338 |
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11704 | (error & (ER_DC_ERROR | ER_MV_ERROR | ER_AC_ERROR))) { |
1339 | 3402 | s->mbskip_table[mb_xy] = 0; | |
1340 | } | ||
1341 |
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12004 | if (s->mbintra_table) |
1342 | 11704 | s->mbintra_table[mb_xy] = 1; | |
1343 | } | ||
1344 | |||
1345 | 31 | memset(&s->cur_pic, 0, sizeof(ERPicture)); | |
1346 | 31 | memset(&s->last_pic, 0, sizeof(ERPicture)); | |
1347 | 31 | memset(&s->next_pic, 0, sizeof(ERPicture)); | |
1348 | |||
1349 | 31 | cleanup: | |
1350 |
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93 | for (i = 0; i < 2; i++) { |
1351 | 62 | av_freep(&s->ref_index[i]); | |
1352 | 62 | av_freep(&s->motion_val_base[i]); | |
1353 | 62 | s->cur_pic.ref_index[i] = NULL; | |
1354 | 62 | s->cur_pic.motion_val[i] = NULL; | |
1355 | } | ||
1356 | } | ||
1357 |