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00028 #include <limits.h>
00029
00030 #include "avcodec.h"
00031 #include "dsputil.h"
00032 #include "mpegvideo.h"
00033 #include "h264.h"
00034 #include "rectangle.h"
00035 #include "thread.h"
00036
00037
00038
00039
00040
00041 #undef mb_intra
00042
00043 static void decode_mb(MpegEncContext *s, int ref)
00044 {
00045 s->dest[0] = s->current_picture.f.data[0] + (s->mb_y * 16 * s->linesize) + s->mb_x * 16;
00046 s->dest[1] = s->current_picture.f.data[1] + (s->mb_y * (16 >> s->chroma_y_shift) * s->uvlinesize) + s->mb_x * (16 >> s->chroma_x_shift);
00047 s->dest[2] = s->current_picture.f.data[2] + (s->mb_y * (16 >> s->chroma_y_shift) * s->uvlinesize) + s->mb_x * (16 >> s->chroma_x_shift);
00048
00049 if (CONFIG_H264_DECODER && s->codec_id == CODEC_ID_H264) {
00050 H264Context *h = (void*)s;
00051 h->mb_xy = s->mb_x + s->mb_y * s->mb_stride;
00052 memset(h->non_zero_count_cache, 0, sizeof(h->non_zero_count_cache));
00053 assert(ref >= 0);
00054
00055
00056
00057
00058 if (ref >= h->ref_count[0])
00059 ref = 0;
00060 fill_rectangle(&s->current_picture.f.ref_index[0][4 * h->mb_xy],
00061 2, 2, 2, ref, 1);
00062 fill_rectangle(&h->ref_cache[0][scan8[0]], 4, 4, 8, ref, 1);
00063 fill_rectangle(h->mv_cache[0][scan8[0]], 4, 4, 8,
00064 pack16to32(s->mv[0][0][0], s->mv[0][0][1]), 4);
00065 assert(!FRAME_MBAFF);
00066 ff_h264_hl_decode_mb(h);
00067 } else {
00068 assert(ref == 0);
00069 MPV_decode_mb(s, s->block);
00070 }
00071 }
00072
00077 static void set_mv_strides(MpegEncContext *s, int *mv_step, int *stride)
00078 {
00079 if (s->codec_id == CODEC_ID_H264) {
00080 H264Context *h = (void*)s;
00081 assert(s->quarter_sample);
00082 *mv_step = 4;
00083 *stride = h->b_stride;
00084 } else {
00085 *mv_step = 2;
00086 *stride = s->b8_stride;
00087 }
00088 }
00089
00093 static void put_dc(MpegEncContext *s, uint8_t *dest_y, uint8_t *dest_cb,
00094 uint8_t *dest_cr, int mb_x, int mb_y)
00095 {
00096 int dc, dcu, dcv, y, i;
00097 for (i = 0; i < 4; i++) {
00098 dc = s->dc_val[0][mb_x * 2 + (i & 1) + (mb_y * 2 + (i >> 1)) * s->b8_stride];
00099 if (dc < 0)
00100 dc = 0;
00101 else if (dc > 2040)
00102 dc = 2040;
00103 for (y = 0; y < 8; y++) {
00104 int x;
00105 for (x = 0; x < 8; x++)
00106 dest_y[x + (i & 1) * 8 + (y + (i >> 1) * 8) * s->linesize] = dc / 8;
00107 }
00108 }
00109 dcu = s->dc_val[1][mb_x + mb_y * s->mb_stride];
00110 dcv = s->dc_val[2][mb_x + mb_y * s->mb_stride];
00111 if (dcu < 0)
00112 dcu = 0;
00113 else if (dcu > 2040)
00114 dcu = 2040;
00115 if (dcv < 0)
00116 dcv = 0;
00117 else if (dcv > 2040)
00118 dcv = 2040;
00119 for (y = 0; y < 8; y++) {
00120 int x;
00121 for (x = 0; x < 8; x++) {
00122 dest_cb[x + y * s->uvlinesize] = dcu / 8;
00123 dest_cr[x + y * s->uvlinesize] = dcv / 8;
00124 }
00125 }
00126 }
00127
00128 static void filter181(int16_t *data, int width, int height, int stride)
00129 {
00130 int x, y;
00131
00132
00133 for (y = 1; y < height - 1; y++) {
00134 int prev_dc = data[0 + y * stride];
00135
00136 for (x = 1; x < width - 1; x++) {
00137 int dc;
00138 dc = -prev_dc +
00139 data[x + y * stride] * 8 -
00140 data[x + 1 + y * stride];
00141 dc = (dc * 10923 + 32768) >> 16;
00142 prev_dc = data[x + y * stride];
00143 data[x + y * stride] = dc;
00144 }
00145 }
00146
00147
00148 for (x = 1; x < width - 1; x++) {
00149 int prev_dc = data[x];
00150
00151 for (y = 1; y < height - 1; y++) {
00152 int dc;
00153
00154 dc = -prev_dc +
00155 data[x + y * stride] * 8 -
00156 data[x + (y + 1) * stride];
00157 dc = (dc * 10923 + 32768) >> 16;
00158 prev_dc = data[x + y * stride];
00159 data[x + y * stride] = dc;
00160 }
00161 }
00162 }
00163
00169 static void guess_dc(MpegEncContext *s, int16_t *dc, int w,
00170 int h, int stride, int is_luma)
00171 {
00172 int b_x, b_y;
00173
00174 for (b_y = 0; b_y < h; b_y++) {
00175 for (b_x = 0; b_x < w; b_x++) {
00176 int color[4] = { 1024, 1024, 1024, 1024 };
00177 int distance[4] = { 9999, 9999, 9999, 9999 };
00178 int mb_index, error, j;
00179 int64_t guess, weight_sum;
00180 mb_index = (b_x >> is_luma) + (b_y >> is_luma) * s->mb_stride;
00181 error = s->error_status_table[mb_index];
00182
00183 if (IS_INTER(s->current_picture.f.mb_type[mb_index]))
00184 continue;
00185 if (!(error & ER_DC_ERROR))
00186 continue;
00187
00188
00189 for (j = b_x + 1; j < w; j++) {
00190 int mb_index_j = (j >> is_luma) + (b_y >> is_luma) * s->mb_stride;
00191 int error_j = s->error_status_table[mb_index_j];
00192 int intra_j = IS_INTRA(s->current_picture.f.mb_type[mb_index_j]);
00193 if (intra_j == 0 || !(error_j & ER_DC_ERROR)) {
00194 color[0] = dc[j + b_y * stride];
00195 distance[0] = j - b_x;
00196 break;
00197 }
00198 }
00199
00200
00201 for (j = b_x - 1; j >= 0; j--) {
00202 int mb_index_j = (j >> is_luma) + (b_y >> is_luma) * s->mb_stride;
00203 int error_j = s->error_status_table[mb_index_j];
00204 int intra_j = IS_INTRA(s->current_picture.f.mb_type[mb_index_j]);
00205 if (intra_j == 0 || !(error_j & ER_DC_ERROR)) {
00206 color[1] = dc[j + b_y * stride];
00207 distance[1] = b_x - j;
00208 break;
00209 }
00210 }
00211
00212
00213 for (j = b_y + 1; j < h; j++) {
00214 int mb_index_j = (b_x >> is_luma) + (j >> is_luma) * s->mb_stride;
00215 int error_j = s->error_status_table[mb_index_j];
00216 int intra_j = IS_INTRA(s->current_picture.f.mb_type[mb_index_j]);
00217
00218 if (intra_j == 0 || !(error_j & ER_DC_ERROR)) {
00219 color[2] = dc[b_x + j * stride];
00220 distance[2] = j - b_y;
00221 break;
00222 }
00223 }
00224
00225
00226 for (j = b_y - 1; j >= 0; j--) {
00227 int mb_index_j = (b_x >> is_luma) + (j >> is_luma) * s->mb_stride;
00228 int error_j = s->error_status_table[mb_index_j];
00229 int intra_j = IS_INTRA(s->current_picture.f.mb_type[mb_index_j]);
00230 if (intra_j == 0 || !(error_j & ER_DC_ERROR)) {
00231 color[3] = dc[b_x + j * stride];
00232 distance[3] = b_y - j;
00233 break;
00234 }
00235 }
00236
00237 weight_sum = 0;
00238 guess = 0;
00239 for (j = 0; j < 4; j++) {
00240 int64_t weight = 256 * 256 * 256 * 16 / distance[j];
00241 guess += weight * (int64_t) color[j];
00242 weight_sum += weight;
00243 }
00244 guess = (guess + weight_sum / 2) / weight_sum;
00245 dc[b_x + b_y * stride] = guess;
00246 }
00247 }
00248 }
00249
00255 static void h_block_filter(MpegEncContext *s, uint8_t *dst, int w,
00256 int h, int stride, int is_luma)
00257 {
00258 int b_x, b_y, mvx_stride, mvy_stride;
00259 uint8_t *cm = ff_cropTbl + MAX_NEG_CROP;
00260 set_mv_strides(s, &mvx_stride, &mvy_stride);
00261 mvx_stride >>= is_luma;
00262 mvy_stride *= mvx_stride;
00263
00264 for (b_y = 0; b_y < h; b_y++) {
00265 for (b_x = 0; b_x < w - 1; b_x++) {
00266 int y;
00267 int left_status = s->error_status_table[( b_x >> is_luma) + (b_y >> is_luma) * s->mb_stride];
00268 int right_status = s->error_status_table[((b_x + 1) >> is_luma) + (b_y >> is_luma) * s->mb_stride];
00269 int left_intra = IS_INTRA(s->current_picture.f.mb_type[( b_x >> is_luma) + (b_y >> is_luma) * s->mb_stride]);
00270 int right_intra = IS_INTRA(s->current_picture.f.mb_type[((b_x + 1) >> is_luma) + (b_y >> is_luma) * s->mb_stride]);
00271 int left_damage = left_status & ER_MB_ERROR;
00272 int right_damage = right_status & ER_MB_ERROR;
00273 int offset = b_x * 8 + b_y * stride * 8;
00274 int16_t *left_mv = s->current_picture.f.motion_val[0][mvy_stride * b_y + mvx_stride * b_x];
00275 int16_t *right_mv = s->current_picture.f.motion_val[0][mvy_stride * b_y + mvx_stride * (b_x + 1)];
00276 if (!(left_damage || right_damage))
00277 continue;
00278 if ((!left_intra) && (!right_intra) &&
00279 FFABS(left_mv[0] - right_mv[0]) +
00280 FFABS(left_mv[1] + right_mv[1]) < 2)
00281 continue;
00282
00283 for (y = 0; y < 8; y++) {
00284 int a, b, c, d;
00285
00286 a = dst[offset + 7 + y * stride] - dst[offset + 6 + y * stride];
00287 b = dst[offset + 8 + y * stride] - dst[offset + 7 + y * stride];
00288 c = dst[offset + 9 + y * stride] - dst[offset + 8 + y * stride];
00289
00290 d = FFABS(b) - ((FFABS(a) + FFABS(c) + 1) >> 1);
00291 d = FFMAX(d, 0);
00292 if (b < 0)
00293 d = -d;
00294
00295 if (d == 0)
00296 continue;
00297
00298 if (!(left_damage && right_damage))
00299 d = d * 16 / 9;
00300
00301 if (left_damage) {
00302 dst[offset + 7 + y * stride] = cm[dst[offset + 7 + y * stride] + ((d * 7) >> 4)];
00303 dst[offset + 6 + y * stride] = cm[dst[offset + 6 + y * stride] + ((d * 5) >> 4)];
00304 dst[offset + 5 + y * stride] = cm[dst[offset + 5 + y * stride] + ((d * 3) >> 4)];
00305 dst[offset + 4 + y * stride] = cm[dst[offset + 4 + y * stride] + ((d * 1) >> 4)];
00306 }
00307 if (right_damage) {
00308 dst[offset + 8 + y * stride] = cm[dst[offset + 8 + y * stride] - ((d * 7) >> 4)];
00309 dst[offset + 9 + y * stride] = cm[dst[offset + 9 + y * stride] - ((d * 5) >> 4)];
00310 dst[offset + 10+ y * stride] = cm[dst[offset + 10 + y * stride] - ((d * 3) >> 4)];
00311 dst[offset + 11+ y * stride] = cm[dst[offset + 11 + y * stride] - ((d * 1) >> 4)];
00312 }
00313 }
00314 }
00315 }
00316 }
00317
00323 static void v_block_filter(MpegEncContext *s, uint8_t *dst, int w, int h,
00324 int stride, int is_luma)
00325 {
00326 int b_x, b_y, mvx_stride, mvy_stride;
00327 uint8_t *cm = ff_cropTbl + MAX_NEG_CROP;
00328 set_mv_strides(s, &mvx_stride, &mvy_stride);
00329 mvx_stride >>= is_luma;
00330 mvy_stride *= mvx_stride;
00331
00332 for (b_y = 0; b_y < h - 1; b_y++) {
00333 for (b_x = 0; b_x < w; b_x++) {
00334 int x;
00335 int top_status = s->error_status_table[(b_x >> is_luma) + (b_y >> is_luma) * s->mb_stride];
00336 int bottom_status = s->error_status_table[(b_x >> is_luma) + ((b_y + 1) >> is_luma) * s->mb_stride];
00337 int top_intra = IS_INTRA(s->current_picture.f.mb_type[(b_x >> is_luma) + ( b_y >> is_luma) * s->mb_stride]);
00338 int bottom_intra = IS_INTRA(s->current_picture.f.mb_type[(b_x >> is_luma) + ((b_y + 1) >> is_luma) * s->mb_stride]);
00339 int top_damage = top_status & ER_MB_ERROR;
00340 int bottom_damage = bottom_status & ER_MB_ERROR;
00341 int offset = b_x * 8 + b_y * stride * 8;
00342
00343 int16_t *top_mv = s->current_picture.f.motion_val[0][mvy_stride * b_y + mvx_stride * b_x];
00344 int16_t *bottom_mv = s->current_picture.f.motion_val[0][mvy_stride * (b_y + 1) + mvx_stride * b_x];
00345
00346 if (!(top_damage || bottom_damage))
00347 continue;
00348
00349 if ((!top_intra) && (!bottom_intra) &&
00350 FFABS(top_mv[0] - bottom_mv[0]) +
00351 FFABS(top_mv[1] + bottom_mv[1]) < 2)
00352 continue;
00353
00354 for (x = 0; x < 8; x++) {
00355 int a, b, c, d;
00356
00357 a = dst[offset + x + 7 * stride] - dst[offset + x + 6 * stride];
00358 b = dst[offset + x + 8 * stride] - dst[offset + x + 7 * stride];
00359 c = dst[offset + x + 9 * stride] - dst[offset + x + 8 * stride];
00360
00361 d = FFABS(b) - ((FFABS(a) + FFABS(c) + 1) >> 1);
00362 d = FFMAX(d, 0);
00363 if (b < 0)
00364 d = -d;
00365
00366 if (d == 0)
00367 continue;
00368
00369 if (!(top_damage && bottom_damage))
00370 d = d * 16 / 9;
00371
00372 if (top_damage) {
00373 dst[offset + x + 7 * stride] = cm[dst[offset + x + 7 * stride] + ((d * 7) >> 4)];
00374 dst[offset + x + 6 * stride] = cm[dst[offset + x + 6 * stride] + ((d * 5) >> 4)];
00375 dst[offset + x + 5 * stride] = cm[dst[offset + x + 5 * stride] + ((d * 3) >> 4)];
00376 dst[offset + x + 4 * stride] = cm[dst[offset + x + 4 * stride] + ((d * 1) >> 4)];
00377 }
00378 if (bottom_damage) {
00379 dst[offset + x + 8 * stride] = cm[dst[offset + x + 8 * stride] - ((d * 7) >> 4)];
00380 dst[offset + x + 9 * stride] = cm[dst[offset + x + 9 * stride] - ((d * 5) >> 4)];
00381 dst[offset + x + 10 * stride] = cm[dst[offset + x + 10 * stride] - ((d * 3) >> 4)];
00382 dst[offset + x + 11 * stride] = cm[dst[offset + x + 11 * stride] - ((d * 1) >> 4)];
00383 }
00384 }
00385 }
00386 }
00387 }
00388
00389 static void guess_mv(MpegEncContext *s)
00390 {
00391 uint8_t fixed[s->mb_stride * s->mb_height];
00392 #define MV_FROZEN 3
00393 #define MV_CHANGED 2
00394 #define MV_UNCHANGED 1
00395 const int mb_stride = s->mb_stride;
00396 const int mb_width = s->mb_width;
00397 const int mb_height = s->mb_height;
00398 int i, depth, num_avail;
00399 int mb_x, mb_y, mot_step, mot_stride;
00400
00401 set_mv_strides(s, &mot_step, &mot_stride);
00402
00403 num_avail = 0;
00404 for (i = 0; i < s->mb_num; i++) {
00405 const int mb_xy = s->mb_index2xy[i];
00406 int f = 0;
00407 int error = s->error_status_table[mb_xy];
00408
00409 if (IS_INTRA(s->current_picture.f.mb_type[mb_xy]))
00410 f = MV_FROZEN;
00411 if (!(error & ER_MV_ERROR))
00412 f = MV_FROZEN;
00413
00414 fixed[mb_xy] = f;
00415 if (f == MV_FROZEN)
00416 num_avail++;
00417 }
00418
00419 if ((!(s->avctx->error_concealment&FF_EC_GUESS_MVS)) ||
00420 num_avail <= mb_width / 2) {
00421 for (mb_y = 0; mb_y < s->mb_height; mb_y++) {
00422 for (mb_x = 0; mb_x < s->mb_width; mb_x++) {
00423 const int mb_xy = mb_x + mb_y * s->mb_stride;
00424
00425 if (IS_INTRA(s->current_picture.f.mb_type[mb_xy]))
00426 continue;
00427 if (!(s->error_status_table[mb_xy] & ER_MV_ERROR))
00428 continue;
00429
00430 s->mv_dir = s->last_picture.f.data[0] ? MV_DIR_FORWARD
00431 : MV_DIR_BACKWARD;
00432 s->mb_intra = 0;
00433 s->mv_type = MV_TYPE_16X16;
00434 s->mb_skipped = 0;
00435
00436 s->dsp.clear_blocks(s->block[0]);
00437
00438 s->mb_x = mb_x;
00439 s->mb_y = mb_y;
00440 s->mv[0][0][0] = 0;
00441 s->mv[0][0][1] = 0;
00442 decode_mb(s, 0);
00443 }
00444 }
00445 return;
00446 }
00447
00448 for (depth = 0; ; depth++) {
00449 int changed, pass, none_left;
00450
00451 none_left = 1;
00452 changed = 1;
00453 for (pass = 0; (changed || pass < 2) && pass < 10; pass++) {
00454 int mb_x, mb_y;
00455 int score_sum = 0;
00456
00457 changed = 0;
00458 for (mb_y = 0; mb_y < s->mb_height; mb_y++) {
00459 for (mb_x = 0; mb_x < s->mb_width; mb_x++) {
00460 const int mb_xy = mb_x + mb_y * s->mb_stride;
00461 int mv_predictor[8][2] = { { 0 } };
00462 int ref[8] = { 0 };
00463 int pred_count = 0;
00464 int j;
00465 int best_score = 256 * 256 * 256 * 64;
00466 int best_pred = 0;
00467 const int mot_index = (mb_x + mb_y * mot_stride) * mot_step;
00468 int prev_x, prev_y, prev_ref;
00469
00470 if ((mb_x ^ mb_y ^ pass) & 1)
00471 continue;
00472
00473 if (fixed[mb_xy] == MV_FROZEN)
00474 continue;
00475 assert(!IS_INTRA(s->current_picture.f.mb_type[mb_xy]));
00476 assert(s->last_picture_ptr && s->last_picture_ptr->f.data[0]);
00477
00478 j = 0;
00479 if (mb_x > 0 && fixed[mb_xy - 1] == MV_FROZEN)
00480 j = 1;
00481 if (mb_x + 1 < mb_width && fixed[mb_xy + 1] == MV_FROZEN)
00482 j = 1;
00483 if (mb_y > 0 && fixed[mb_xy - mb_stride] == MV_FROZEN)
00484 j = 1;
00485 if (mb_y + 1 < mb_height && fixed[mb_xy + mb_stride] == MV_FROZEN)
00486 j = 1;
00487 if (j == 0)
00488 continue;
00489
00490 j = 0;
00491 if (mb_x > 0 && fixed[mb_xy - 1 ] == MV_CHANGED)
00492 j = 1;
00493 if (mb_x + 1 < mb_width && fixed[mb_xy + 1 ] == MV_CHANGED)
00494 j = 1;
00495 if (mb_y > 0 && fixed[mb_xy - mb_stride] == MV_CHANGED)
00496 j = 1;
00497 if (mb_y + 1 < mb_height && fixed[mb_xy + mb_stride] == MV_CHANGED)
00498 j = 1;
00499 if (j == 0 && pass > 1)
00500 continue;
00501
00502 none_left = 0;
00503
00504 if (mb_x > 0 && fixed[mb_xy - 1]) {
00505 mv_predictor[pred_count][0] =
00506 s->current_picture.f.motion_val[0][mot_index - mot_step][0];
00507 mv_predictor[pred_count][1] =
00508 s->current_picture.f.motion_val[0][mot_index - mot_step][1];
00509 ref[pred_count] =
00510 s->current_picture.f.ref_index[0][4 * (mb_xy - 1)];
00511 pred_count++;
00512 }
00513 if (mb_x + 1 < mb_width && fixed[mb_xy + 1]) {
00514 mv_predictor[pred_count][0] =
00515 s->current_picture.f.motion_val[0][mot_index + mot_step][0];
00516 mv_predictor[pred_count][1] =
00517 s->current_picture.f.motion_val[0][mot_index + mot_step][1];
00518 ref[pred_count] =
00519 s->current_picture.f.ref_index[0][4 * (mb_xy + 1)];
00520 pred_count++;
00521 }
00522 if (mb_y > 0 && fixed[mb_xy - mb_stride]) {
00523 mv_predictor[pred_count][0] =
00524 s->current_picture.f.motion_val[0][mot_index - mot_stride * mot_step][0];
00525 mv_predictor[pred_count][1] =
00526 s->current_picture.f.motion_val[0][mot_index - mot_stride * mot_step][1];
00527 ref[pred_count] =
00528 s->current_picture.f.ref_index[0][4 * (mb_xy - s->mb_stride)];
00529 pred_count++;
00530 }
00531 if (mb_y + 1<mb_height && fixed[mb_xy + mb_stride]) {
00532 mv_predictor[pred_count][0] =
00533 s->current_picture.f.motion_val[0][mot_index + mot_stride * mot_step][0];
00534 mv_predictor[pred_count][1] =
00535 s->current_picture.f.motion_val[0][mot_index + mot_stride * mot_step][1];
00536 ref[pred_count] =
00537 s->current_picture.f.ref_index[0][4 * (mb_xy + s->mb_stride)];
00538 pred_count++;
00539 }
00540 if (pred_count == 0)
00541 continue;
00542
00543 if (pred_count > 1) {
00544 int sum_x = 0, sum_y = 0, sum_r = 0;
00545 int max_x, max_y, min_x, min_y, max_r, min_r;
00546
00547 for (j = 0; j < pred_count; j++) {
00548 sum_x += mv_predictor[j][0];
00549 sum_y += mv_predictor[j][1];
00550 sum_r += ref[j];
00551 if (j && ref[j] != ref[j - 1])
00552 goto skip_mean_and_median;
00553 }
00554
00555
00556 mv_predictor[pred_count][0] = sum_x / j;
00557 mv_predictor[pred_count][1] = sum_y / j;
00558 ref[pred_count] = sum_r / j;
00559
00560
00561 if (pred_count >= 3) {
00562 min_y = min_x = min_r = 99999;
00563 max_y = max_x = max_r = -99999;
00564 } else {
00565 min_x = min_y = max_x = max_y = min_r = max_r = 0;
00566 }
00567 for (j = 0; j < pred_count; j++) {
00568 max_x = FFMAX(max_x, mv_predictor[j][0]);
00569 max_y = FFMAX(max_y, mv_predictor[j][1]);
00570 max_r = FFMAX(max_r, ref[j]);
00571 min_x = FFMIN(min_x, mv_predictor[j][0]);
00572 min_y = FFMIN(min_y, mv_predictor[j][1]);
00573 min_r = FFMIN(min_r, ref[j]);
00574 }
00575 mv_predictor[pred_count + 1][0] = sum_x - max_x - min_x;
00576 mv_predictor[pred_count + 1][1] = sum_y - max_y - min_y;
00577 ref[pred_count + 1] = sum_r - max_r - min_r;
00578
00579 if (pred_count == 4) {
00580 mv_predictor[pred_count + 1][0] /= 2;
00581 mv_predictor[pred_count + 1][1] /= 2;
00582 ref[pred_count + 1] /= 2;
00583 }
00584 pred_count += 2;
00585 }
00586
00587 skip_mean_and_median:
00588
00589 pred_count++;
00590
00591 if (!fixed[mb_xy]) {
00592 if (s->avctx->codec_id == CODEC_ID_H264) {
00593
00594 } else {
00595 ff_thread_await_progress((AVFrame *) s->last_picture_ptr,
00596 mb_y, 0);
00597 }
00598 if (!s->last_picture.f.motion_val[0] ||
00599 !s->last_picture.f.ref_index[0])
00600 goto skip_last_mv;
00601 prev_x = s->last_picture.f.motion_val[0][mot_index][0];
00602 prev_y = s->last_picture.f.motion_val[0][mot_index][1];
00603 prev_ref = s->last_picture.f.ref_index[0][4 * mb_xy];
00604 } else {
00605 prev_x = s->current_picture.f.motion_val[0][mot_index][0];
00606 prev_y = s->current_picture.f.motion_val[0][mot_index][1];
00607 prev_ref = s->current_picture.f.ref_index[0][4 * mb_xy];
00608 }
00609
00610
00611 mv_predictor[pred_count][0] = prev_x;
00612 mv_predictor[pred_count][1] = prev_y;
00613 ref[pred_count] = prev_ref;
00614 pred_count++;
00615
00616 skip_last_mv:
00617 s->mv_dir = MV_DIR_FORWARD;
00618 s->mb_intra = 0;
00619 s->mv_type = MV_TYPE_16X16;
00620 s->mb_skipped = 0;
00621
00622 s->dsp.clear_blocks(s->block[0]);
00623
00624 s->mb_x = mb_x;
00625 s->mb_y = mb_y;
00626
00627 for (j = 0; j < pred_count; j++) {
00628 int score = 0;
00629 uint8_t *src = s->current_picture.f.data[0] +
00630 mb_x * 16 + mb_y * 16 * s->linesize;
00631
00632 s->current_picture.f.motion_val[0][mot_index][0] =
00633 s->mv[0][0][0] = mv_predictor[j][0];
00634 s->current_picture.f.motion_val[0][mot_index][1] =
00635 s->mv[0][0][1] = mv_predictor[j][1];
00636
00637
00638 if (ref[j] < 0)
00639 continue;
00640
00641 decode_mb(s, ref[j]);
00642
00643 if (mb_x > 0 && fixed[mb_xy - 1]) {
00644 int k;
00645 for (k = 0; k < 16; k++)
00646 score += FFABS(src[k * s->linesize - 1] -
00647 src[k * s->linesize]);
00648 }
00649 if (mb_x + 1 < mb_width && fixed[mb_xy + 1]) {
00650 int k;
00651 for (k = 0; k < 16; k++)
00652 score += FFABS(src[k * s->linesize + 15] -
00653 src[k * s->linesize + 16]);
00654 }
00655 if (mb_y > 0 && fixed[mb_xy - mb_stride]) {
00656 int k;
00657 for (k = 0; k < 16; k++)
00658 score += FFABS(src[k - s->linesize] - src[k]);
00659 }
00660 if (mb_y + 1 < mb_height && fixed[mb_xy + mb_stride]) {
00661 int k;
00662 for (k = 0; k < 16; k++)
00663 score += FFABS(src[k + s->linesize * 15] -
00664 src[k + s->linesize * 16]);
00665 }
00666
00667 if (score <= best_score) {
00668 best_score = score;
00669 best_pred = j;
00670 }
00671 }
00672 score_sum += best_score;
00673 s->mv[0][0][0] = mv_predictor[best_pred][0];
00674 s->mv[0][0][1] = mv_predictor[best_pred][1];
00675
00676 for (i = 0; i < mot_step; i++)
00677 for (j = 0; j < mot_step; j++) {
00678 s->current_picture.f.motion_val[0][mot_index + i + j * mot_stride][0] = s->mv[0][0][0];
00679 s->current_picture.f.motion_val[0][mot_index + i + j * mot_stride][1] = s->mv[0][0][1];
00680 }
00681
00682 decode_mb(s, ref[best_pred]);
00683
00684
00685 if (s->mv[0][0][0] != prev_x || s->mv[0][0][1] != prev_y) {
00686 fixed[mb_xy] = MV_CHANGED;
00687 changed++;
00688 } else
00689 fixed[mb_xy] = MV_UNCHANGED;
00690 }
00691 }
00692
00693
00694 }
00695
00696 if (none_left)
00697 return;
00698
00699 for (i = 0; i < s->mb_num; i++) {
00700 int mb_xy = s->mb_index2xy[i];
00701 if (fixed[mb_xy])
00702 fixed[mb_xy] = MV_FROZEN;
00703 }
00704
00705 }
00706 }
00707
00708 static int is_intra_more_likely(MpegEncContext *s)
00709 {
00710 int is_intra_likely, i, j, undamaged_count, skip_amount, mb_x, mb_y;
00711
00712 if (!s->last_picture_ptr || !s->last_picture_ptr->f.data[0])
00713 return 1;
00714
00715 undamaged_count = 0;
00716 for (i = 0; i < s->mb_num; i++) {
00717 const int mb_xy = s->mb_index2xy[i];
00718 const int error = s->error_status_table[mb_xy];
00719 if (!((error & ER_DC_ERROR) && (error & ER_MV_ERROR)))
00720 undamaged_count++;
00721 }
00722
00723 if (s->codec_id == CODEC_ID_H264) {
00724 H264Context *h = (void*) s;
00725 if (h->list_count <= 0 || h->ref_count[0] <= 0 ||
00726 !h->ref_list[0][0].f.data[0])
00727 return 1;
00728 }
00729
00730 if (undamaged_count < 5)
00731 return 0;
00732
00733
00734 if (CONFIG_MPEG_XVMC_DECODER &&
00735 s->avctx->xvmc_acceleration &&
00736 s->pict_type == AV_PICTURE_TYPE_I)
00737 return 1;
00738
00739 skip_amount = FFMAX(undamaged_count / 50, 1);
00740 is_intra_likely = 0;
00741
00742 j = 0;
00743 for (mb_y = 0; mb_y < s->mb_height - 1; mb_y++) {
00744 for (mb_x = 0; mb_x < s->mb_width; mb_x++) {
00745 int error;
00746 const int mb_xy = mb_x + mb_y * s->mb_stride;
00747
00748 error = s->error_status_table[mb_xy];
00749 if ((error & ER_DC_ERROR) && (error & ER_MV_ERROR))
00750 continue;
00751
00752 j++;
00753
00754 if ((j % skip_amount) != 0)
00755 continue;
00756
00757 if (s->pict_type == AV_PICTURE_TYPE_I) {
00758 uint8_t *mb_ptr = s->current_picture.f.data[0] +
00759 mb_x * 16 + mb_y * 16 * s->linesize;
00760 uint8_t *last_mb_ptr = s->last_picture.f.data[0] +
00761 mb_x * 16 + mb_y * 16 * s->linesize;
00762
00763 if (s->avctx->codec_id == CODEC_ID_H264) {
00764
00765 } else {
00766 ff_thread_await_progress((AVFrame *) s->last_picture_ptr,
00767 mb_y, 0);
00768 }
00769 is_intra_likely += s->dsp.sad[0](NULL, last_mb_ptr, mb_ptr,
00770 s->linesize, 16);
00771 is_intra_likely -= s->dsp.sad[0](NULL, last_mb_ptr,
00772 last_mb_ptr + s->linesize * 16,
00773 s->linesize, 16);
00774 } else {
00775 if (IS_INTRA(s->current_picture.f.mb_type[mb_xy]))
00776 is_intra_likely++;
00777 else
00778 is_intra_likely--;
00779 }
00780 }
00781 }
00782
00783 return is_intra_likely > 0;
00784 }
00785
00786 void ff_er_frame_start(MpegEncContext *s)
00787 {
00788 if (!s->err_recognition)
00789 return;
00790
00791 memset(s->error_status_table, ER_MB_ERROR | VP_START | ER_MB_END,
00792 s->mb_stride * s->mb_height * sizeof(uint8_t));
00793 s->error_count = 3 * s->mb_num;
00794 s->error_occurred = 0;
00795 }
00796
00804 void ff_er_add_slice(MpegEncContext *s, int startx, int starty,
00805 int endx, int endy, int status)
00806 {
00807 const int start_i = av_clip(startx + starty * s->mb_width, 0, s->mb_num - 1);
00808 const int end_i = av_clip(endx + endy * s->mb_width, 0, s->mb_num);
00809 const int start_xy = s->mb_index2xy[start_i];
00810 const int end_xy = s->mb_index2xy[end_i];
00811 int mask = -1;
00812
00813 if (s->avctx->hwaccel)
00814 return;
00815
00816 if (start_i > end_i || start_xy > end_xy) {
00817 av_log(s->avctx, AV_LOG_ERROR,
00818 "internal error, slice end before start\n");
00819 return;
00820 }
00821
00822 if (!s->err_recognition)
00823 return;
00824
00825 mask &= ~VP_START;
00826 if (status & (ER_AC_ERROR | ER_AC_END)) {
00827 mask &= ~(ER_AC_ERROR | ER_AC_END);
00828 s->error_count -= end_i - start_i + 1;
00829 }
00830 if (status & (ER_DC_ERROR | ER_DC_END)) {
00831 mask &= ~(ER_DC_ERROR | ER_DC_END);
00832 s->error_count -= end_i - start_i + 1;
00833 }
00834 if (status & (ER_MV_ERROR | ER_MV_END)) {
00835 mask &= ~(ER_MV_ERROR | ER_MV_END);
00836 s->error_count -= end_i - start_i + 1;
00837 }
00838
00839 if (status & ER_MB_ERROR) {
00840 s->error_occurred = 1;
00841 s->error_count = INT_MAX;
00842 }
00843
00844 if (mask == ~0x7F) {
00845 memset(&s->error_status_table[start_xy], 0,
00846 (end_xy - start_xy) * sizeof(uint8_t));
00847 } else {
00848 int i;
00849 for (i = start_xy; i < end_xy; i++)
00850 s->error_status_table[i] &= mask;
00851 }
00852
00853 if (end_i == s->mb_num)
00854 s->error_count = INT_MAX;
00855 else {
00856 s->error_status_table[end_xy] &= mask;
00857 s->error_status_table[end_xy] |= status;
00858 }
00859
00860 s->error_status_table[start_xy] |= VP_START;
00861
00862 if (start_xy > 0 && s->avctx->thread_count <= 1 &&
00863 s->avctx->skip_top * s->mb_width < start_i) {
00864 int prev_status = s->error_status_table[s->mb_index2xy[start_i - 1]];
00865
00866 prev_status &= ~ VP_START;
00867 if (prev_status != (ER_MV_END | ER_DC_END | ER_AC_END))
00868 s->error_count = INT_MAX;
00869 }
00870 }
00871
00872 void ff_er_frame_end(MpegEncContext *s)
00873 {
00874 int i, mb_x, mb_y, error, error_type, dc_error, mv_error, ac_error;
00875 int distance;
00876 int threshold_part[4] = { 100, 100, 100 };
00877 int threshold = 50;
00878 int is_intra_likely;
00879 int size = s->b8_stride * 2 * s->mb_height;
00880 Picture *pic = s->current_picture_ptr;
00881
00882
00883
00884 if (!s->err_recognition || s->error_count == 0 || s->avctx->lowres ||
00885 s->avctx->hwaccel ||
00886 s->avctx->codec->capabilities&CODEC_CAP_HWACCEL_VDPAU ||
00887 s->picture_structure != PICT_FRAME ||
00888 s->error_count == 3 * s->mb_width *
00889 (s->avctx->skip_top + s->avctx->skip_bottom)) {
00890 return;
00891 };
00892
00893 if (s->current_picture.f.motion_val[0] == NULL) {
00894 av_log(s->avctx, AV_LOG_ERROR, "Warning MVs not available\n");
00895
00896 for (i = 0; i < 2; i++) {
00897 pic->f.ref_index[i] = av_mallocz(s->mb_stride * s->mb_height * 4 * sizeof(uint8_t));
00898 pic->motion_val_base[i] = av_mallocz((size + 4) * 2 * sizeof(uint16_t));
00899 pic->f.motion_val[i] = pic->motion_val_base[i] + 4;
00900 }
00901 pic->f.motion_subsample_log2 = 3;
00902 s->current_picture = *s->current_picture_ptr;
00903 }
00904
00905 if (s->avctx->debug & FF_DEBUG_ER) {
00906 for (mb_y = 0; mb_y < s->mb_height; mb_y++) {
00907 for (mb_x = 0; mb_x < s->mb_width; mb_x++) {
00908 int status = s->error_status_table[mb_x + mb_y * s->mb_stride];
00909
00910 av_log(s->avctx, AV_LOG_DEBUG, "%2X ", status);
00911 }
00912 av_log(s->avctx, AV_LOG_DEBUG, "\n");
00913 }
00914 }
00915
00916
00917 for (error_type = 1; error_type <= 3; error_type++) {
00918 int end_ok = 0;
00919
00920 for (i = s->mb_num - 1; i >= 0; i--) {
00921 const int mb_xy = s->mb_index2xy[i];
00922 int error = s->error_status_table[mb_xy];
00923
00924 if (error & (1 << error_type))
00925 end_ok = 1;
00926 if (error & (8 << error_type))
00927 end_ok = 1;
00928
00929 if (!end_ok)
00930 s->error_status_table[mb_xy] |= 1 << error_type;
00931
00932 if (error & VP_START)
00933 end_ok = 0;
00934 }
00935 }
00936
00937
00938 if (s->partitioned_frame) {
00939 int end_ok = 0;
00940
00941 for (i = s->mb_num - 1; i >= 0; i--) {
00942 const int mb_xy = s->mb_index2xy[i];
00943 int error = s->error_status_table[mb_xy];
00944
00945 if (error & ER_AC_END)
00946 end_ok = 0;
00947 if ((error & ER_MV_END) ||
00948 (error & ER_DC_END) ||
00949 (error & ER_AC_ERROR))
00950 end_ok = 1;
00951
00952 if (!end_ok)
00953 s->error_status_table[mb_xy]|= ER_AC_ERROR;
00954
00955 if (error & VP_START)
00956 end_ok = 0;
00957 }
00958 }
00959
00960
00961 if (s->err_recognition & AV_EF_EXPLODE) {
00962 int end_ok = 1;
00963
00964
00965 for (i = s->mb_num - 2; i >= s->mb_width + 100; i--) {
00966 const int mb_xy = s->mb_index2xy[i];
00967 int error1 = s->error_status_table[mb_xy];
00968 int error2 = s->error_status_table[s->mb_index2xy[i + 1]];
00969
00970 if (error1 & VP_START)
00971 end_ok = 1;
00972
00973 if (error2 == (VP_START | ER_MB_ERROR | ER_MB_END) &&
00974 error1 != (VP_START | ER_MB_ERROR | ER_MB_END) &&
00975 ((error1 & ER_AC_END) || (error1 & ER_DC_END) ||
00976 (error1 & ER_MV_END))) {
00977
00978 end_ok = 0;
00979 }
00980
00981 if (!end_ok)
00982 s->error_status_table[mb_xy] |= ER_MB_ERROR;
00983 }
00984 }
00985
00986
00987 distance = 9999999;
00988 for (error_type = 1; error_type <= 3; error_type++) {
00989 for (i = s->mb_num - 1; i >= 0; i--) {
00990 const int mb_xy = s->mb_index2xy[i];
00991 int error = s->error_status_table[mb_xy];
00992
00993 if (!s->mbskip_table[mb_xy])
00994 distance++;
00995 if (error & (1 << error_type))
00996 distance = 0;
00997
00998 if (s->partitioned_frame) {
00999 if (distance < threshold_part[error_type - 1])
01000 s->error_status_table[mb_xy] |= 1 << error_type;
01001 } else {
01002 if (distance < threshold)
01003 s->error_status_table[mb_xy] |= 1 << error_type;
01004 }
01005
01006 if (error & VP_START)
01007 distance = 9999999;
01008 }
01009 }
01010
01011
01012 error = 0;
01013 for (i = 0; i < s->mb_num; i++) {
01014 const int mb_xy = s->mb_index2xy[i];
01015 int old_error = s->error_status_table[mb_xy];
01016
01017 if (old_error & VP_START) {
01018 error = old_error & ER_MB_ERROR;
01019 } else {
01020 error |= old_error & ER_MB_ERROR;
01021 s->error_status_table[mb_xy] |= error;
01022 }
01023 }
01024
01025
01026 if (!s->partitioned_frame) {
01027 for (i = 0; i < s->mb_num; i++) {
01028 const int mb_xy = s->mb_index2xy[i];
01029 error = s->error_status_table[mb_xy];
01030 if (error & ER_MB_ERROR)
01031 error |= ER_MB_ERROR;
01032 s->error_status_table[mb_xy] = error;
01033 }
01034 }
01035
01036 dc_error = ac_error = mv_error = 0;
01037 for (i = 0; i < s->mb_num; i++) {
01038 const int mb_xy = s->mb_index2xy[i];
01039 error = s->error_status_table[mb_xy];
01040 if (error & ER_DC_ERROR)
01041 dc_error++;
01042 if (error & ER_AC_ERROR)
01043 ac_error++;
01044 if (error & ER_MV_ERROR)
01045 mv_error++;
01046 }
01047 av_log(s->avctx, AV_LOG_INFO, "concealing %d DC, %d AC, %d MV errors\n",
01048 dc_error, ac_error, mv_error);
01049
01050 is_intra_likely = is_intra_more_likely(s);
01051
01052
01053 for (i = 0; i < s->mb_num; i++) {
01054 const int mb_xy = s->mb_index2xy[i];
01055 error = s->error_status_table[mb_xy];
01056 if (!((error & ER_DC_ERROR) && (error & ER_MV_ERROR)))
01057 continue;
01058
01059 if (is_intra_likely)
01060 s->current_picture.f.mb_type[mb_xy] = MB_TYPE_INTRA4x4;
01061 else
01062 s->current_picture.f.mb_type[mb_xy] = MB_TYPE_16x16 | MB_TYPE_L0;
01063 }
01064
01065
01066 if (!s->last_picture.f.data[0] && !s->next_picture.f.data[0])
01067 for (i = 0; i < s->mb_num; i++) {
01068 const int mb_xy = s->mb_index2xy[i];
01069 if (!IS_INTRA(s->current_picture.f.mb_type[mb_xy]))
01070 s->current_picture.f.mb_type[mb_xy] = MB_TYPE_INTRA4x4;
01071 }
01072
01073
01074 for (mb_y = 0; mb_y < s->mb_height; mb_y++) {
01075 for (mb_x = 0; mb_x < s->mb_width; mb_x++) {
01076 const int mb_xy = mb_x + mb_y * s->mb_stride;
01077 const int mb_type = s->current_picture.f.mb_type[mb_xy];
01078 int dir = !s->last_picture.f.data[0];
01079
01080 error = s->error_status_table[mb_xy];
01081
01082 if (IS_INTRA(mb_type))
01083 continue;
01084 if (error & ER_MV_ERROR)
01085 continue;
01086 if (!(error & ER_AC_ERROR))
01087 continue;
01088
01089 s->mv_dir = dir ? MV_DIR_BACKWARD : MV_DIR_FORWARD;
01090 s->mb_intra = 0;
01091 s->mb_skipped = 0;
01092 if (IS_8X8(mb_type)) {
01093 int mb_index = mb_x * 2 + mb_y * 2 * s->b8_stride;
01094 int j;
01095 s->mv_type = MV_TYPE_8X8;
01096 for (j = 0; j < 4; j++) {
01097 s->mv[0][j][0] = s->current_picture.f.motion_val[dir][mb_index + (j & 1) + (j >> 1) * s->b8_stride][0];
01098 s->mv[0][j][1] = s->current_picture.f.motion_val[dir][mb_index + (j & 1) + (j >> 1) * s->b8_stride][1];
01099 }
01100 } else {
01101 s->mv_type = MV_TYPE_16X16;
01102 s->mv[0][0][0] = s->current_picture.f.motion_val[dir][mb_x * 2 + mb_y * 2 * s->b8_stride][0];
01103 s->mv[0][0][1] = s->current_picture.f.motion_val[dir][mb_x * 2 + mb_y * 2 * s->b8_stride][1];
01104 }
01105
01106 s->dsp.clear_blocks(s->block[0]);
01107
01108 s->mb_x = mb_x;
01109 s->mb_y = mb_y;
01110 decode_mb(s, 0 );
01111 }
01112 }
01113
01114
01115 if (s->pict_type == AV_PICTURE_TYPE_B) {
01116 for (mb_y = 0; mb_y < s->mb_height; mb_y++) {
01117 for (mb_x = 0; mb_x < s->mb_width; mb_x++) {
01118 int xy = mb_x * 2 + mb_y * 2 * s->b8_stride;
01119 const int mb_xy = mb_x + mb_y * s->mb_stride;
01120 const int mb_type = s->current_picture.f.mb_type[mb_xy];
01121
01122 error = s->error_status_table[mb_xy];
01123
01124 if (IS_INTRA(mb_type))
01125 continue;
01126 if (!(error & ER_MV_ERROR))
01127 continue;
01128 if (!(error & ER_AC_ERROR))
01129 continue;
01130
01131 s->mv_dir = MV_DIR_FORWARD | MV_DIR_BACKWARD;
01132 if (!s->last_picture.f.data[0])
01133 s->mv_dir &= ~MV_DIR_FORWARD;
01134 if (!s->next_picture.f.data[0])
01135 s->mv_dir &= ~MV_DIR_BACKWARD;
01136 s->mb_intra = 0;
01137 s->mv_type = MV_TYPE_16X16;
01138 s->mb_skipped = 0;
01139
01140 if (s->pp_time) {
01141 int time_pp = s->pp_time;
01142 int time_pb = s->pb_time;
01143
01144 if (s->avctx->codec_id == CODEC_ID_H264) {
01145
01146 } else {
01147 ff_thread_await_progress((AVFrame *) s->next_picture_ptr, mb_y, 0);
01148 }
01149 s->mv[0][0][0] = s->next_picture.f.motion_val[0][xy][0] * time_pb / time_pp;
01150 s->mv[0][0][1] = s->next_picture.f.motion_val[0][xy][1] * time_pb / time_pp;
01151 s->mv[1][0][0] = s->next_picture.f.motion_val[0][xy][0] * (time_pb - time_pp) / time_pp;
01152 s->mv[1][0][1] = s->next_picture.f.motion_val[0][xy][1] * (time_pb - time_pp) / time_pp;
01153 } else {
01154 s->mv[0][0][0] = 0;
01155 s->mv[0][0][1] = 0;
01156 s->mv[1][0][0] = 0;
01157 s->mv[1][0][1] = 0;
01158 }
01159
01160 s->dsp.clear_blocks(s->block[0]);
01161 s->mb_x = mb_x;
01162 s->mb_y = mb_y;
01163 decode_mb(s, 0);
01164 }
01165 }
01166 } else
01167 guess_mv(s);
01168
01169
01170 if (CONFIG_MPEG_XVMC_DECODER && s->avctx->xvmc_acceleration)
01171 goto ec_clean;
01172
01173 for (mb_y = 0; mb_y < s->mb_height; mb_y++) {
01174 for (mb_x = 0; mb_x < s->mb_width; mb_x++) {
01175 int dc, dcu, dcv, y, n;
01176 int16_t *dc_ptr;
01177 uint8_t *dest_y, *dest_cb, *dest_cr;
01178 const int mb_xy = mb_x + mb_y * s->mb_stride;
01179 const int mb_type = s->current_picture.f.mb_type[mb_xy];
01180
01181 error = s->error_status_table[mb_xy];
01182
01183 if (IS_INTRA(mb_type) && s->partitioned_frame)
01184 continue;
01185
01186
01187
01188 dest_y = s->current_picture.f.data[0] + mb_x * 16 + mb_y * 16 * s->linesize;
01189 dest_cb = s->current_picture.f.data[1] + mb_x * 8 + mb_y * 8 * s->uvlinesize;
01190 dest_cr = s->current_picture.f.data[2] + mb_x * 8 + mb_y * 8 * s->uvlinesize;
01191
01192 dc_ptr = &s->dc_val[0][mb_x * 2 + mb_y * 2 * s->b8_stride];
01193 for (n = 0; n < 4; n++) {
01194 dc = 0;
01195 for (y = 0; y < 8; y++) {
01196 int x;
01197 for (x = 0; x < 8; x++)
01198 dc += dest_y[x + (n & 1) * 8 +
01199 (y + (n >> 1) * 8) * s->linesize];
01200 }
01201 dc_ptr[(n & 1) + (n >> 1) * s->b8_stride] = (dc + 4) >> 3;
01202 }
01203
01204 dcu = dcv = 0;
01205 for (y = 0; y < 8; y++) {
01206 int x;
01207 for (x = 0; x < 8; x++) {
01208 dcu += dest_cb[x + y * s->uvlinesize];
01209 dcv += dest_cr[x + y * s->uvlinesize];
01210 }
01211 }
01212 s->dc_val[1][mb_x + mb_y * s->mb_stride] = (dcu + 4) >> 3;
01213 s->dc_val[2][mb_x + mb_y * s->mb_stride] = (dcv + 4) >> 3;
01214 }
01215 }
01216
01217
01218 guess_dc(s, s->dc_val[0], s->mb_width * 2, s->mb_height * 2, s->b8_stride, 1);
01219 guess_dc(s, s->dc_val[1], s->mb_width, s->mb_height, s->mb_stride, 0);
01220 guess_dc(s, s->dc_val[2], s->mb_width, s->mb_height, s->mb_stride, 0);
01221
01222
01223 filter181(s->dc_val[0], s->mb_width * 2, s->mb_height * 2, s->b8_stride);
01224
01225
01226 for (mb_y = 0; mb_y < s->mb_height; mb_y++) {
01227 for (mb_x = 0; mb_x < s->mb_width; mb_x++) {
01228 uint8_t *dest_y, *dest_cb, *dest_cr;
01229 const int mb_xy = mb_x + mb_y * s->mb_stride;
01230 const int mb_type = s->current_picture.f.mb_type[mb_xy];
01231
01232 error = s->error_status_table[mb_xy];
01233
01234 if (IS_INTER(mb_type))
01235 continue;
01236 if (!(error & ER_AC_ERROR))
01237 continue;
01238
01239 dest_y = s->current_picture.f.data[0] + mb_x * 16 + mb_y * 16 * s->linesize;
01240 dest_cb = s->current_picture.f.data[1] + mb_x * 8 + mb_y * 8 * s->uvlinesize;
01241 dest_cr = s->current_picture.f.data[2] + mb_x * 8 + mb_y * 8 * s->uvlinesize;
01242
01243 put_dc(s, dest_y, dest_cb, dest_cr, mb_x, mb_y);
01244 }
01245 }
01246
01247 if (s->avctx->error_concealment & FF_EC_DEBLOCK) {
01248
01249 h_block_filter(s, s->current_picture.f.data[0], s->mb_width * 2,
01250 s->mb_height * 2, s->linesize, 1);
01251 h_block_filter(s, s->current_picture.f.data[1], s->mb_width,
01252 s->mb_height , s->uvlinesize, 0);
01253 h_block_filter(s, s->current_picture.f.data[2], s->mb_width,
01254 s->mb_height , s->uvlinesize, 0);
01255
01256
01257 v_block_filter(s, s->current_picture.f.data[0], s->mb_width * 2,
01258 s->mb_height * 2, s->linesize, 1);
01259 v_block_filter(s, s->current_picture.f.data[1], s->mb_width,
01260 s->mb_height , s->uvlinesize, 0);
01261 v_block_filter(s, s->current_picture.f.data[2], s->mb_width,
01262 s->mb_height , s->uvlinesize, 0);
01263 }
01264
01265 ec_clean:
01266
01267 for (i = 0; i < s->mb_num; i++) {
01268 const int mb_xy = s->mb_index2xy[i];
01269 int error = s->error_status_table[mb_xy];
01270
01271 if (s->pict_type != AV_PICTURE_TYPE_B &&
01272 (error & (ER_DC_ERROR | ER_MV_ERROR | ER_AC_ERROR))) {
01273 s->mbskip_table[mb_xy] = 0;
01274 }
01275 s->mbintra_table[mb_xy] = 1;
01276 }
01277 }