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00029 #include "internal.h"
00030 #include "dsputil.h"
00031 #include "avcodec.h"
00032 #include "mpegvideo.h"
00033 #include "h263.h"
00034 #include "vc1.h"
00035 #include "vc1data.h"
00036 #include "vc1acdata.h"
00037 #include "msmpeg4data.h"
00038 #include "unary.h"
00039 #include "simple_idct.h"
00040 #include "mathops.h"
00041 #include "vdpau_internal.h"
00042
00043 #undef NDEBUG
00044 #include <assert.h>
00045
00046 #define MB_INTRA_VLC_BITS 9
00047 #define DC_VLC_BITS 9
00048
00049
00050
00051 static const int offset_table1[9] = { 0, 1, 2, 4, 8, 16, 32, 64, 128 };
00052 static const int offset_table2[9] = { 0, 1, 3, 7, 15, 31, 63, 127, 255 };
00053
00054
00065 enum Imode {
00066 IMODE_RAW,
00067 IMODE_NORM2,
00068 IMODE_DIFF2,
00069 IMODE_NORM6,
00070 IMODE_DIFF6,
00071 IMODE_ROWSKIP,
00072 IMODE_COLSKIP
00073 };
00075
00076
00078
00079 static void vc1_put_signed_blocks_clamped(VC1Context *v)
00080 {
00081 MpegEncContext *s = &v->s;
00082 int topleft_mb_pos, top_mb_pos;
00083 int stride_y, fieldtx;
00084 int v_dist;
00085
00086
00087
00088
00089
00090
00091
00092
00093 if (!s->first_slice_line) {
00094 if (s->mb_x) {
00095 topleft_mb_pos = (s->mb_y - 1) * s->mb_stride + s->mb_x - 1;
00096 fieldtx = v->fieldtx_plane[topleft_mb_pos];
00097 stride_y = s->linesize << fieldtx;
00098 v_dist = (16 - fieldtx) >> (fieldtx == 0);
00099 s->dsp.put_signed_pixels_clamped(v->block[v->topleft_blk_idx][0],
00100 s->dest[0] - 16 * s->linesize - 16,
00101 stride_y);
00102 s->dsp.put_signed_pixels_clamped(v->block[v->topleft_blk_idx][1],
00103 s->dest[0] - 16 * s->linesize - 8,
00104 stride_y);
00105 s->dsp.put_signed_pixels_clamped(v->block[v->topleft_blk_idx][2],
00106 s->dest[0] - v_dist * s->linesize - 16,
00107 stride_y);
00108 s->dsp.put_signed_pixels_clamped(v->block[v->topleft_blk_idx][3],
00109 s->dest[0] - v_dist * s->linesize - 8,
00110 stride_y);
00111 s->dsp.put_signed_pixels_clamped(v->block[v->topleft_blk_idx][4],
00112 s->dest[1] - 8 * s->uvlinesize - 8,
00113 s->uvlinesize);
00114 s->dsp.put_signed_pixels_clamped(v->block[v->topleft_blk_idx][5],
00115 s->dest[2] - 8 * s->uvlinesize - 8,
00116 s->uvlinesize);
00117 }
00118 if (s->mb_x == s->mb_width - 1) {
00119 top_mb_pos = (s->mb_y - 1) * s->mb_stride + s->mb_x;
00120 fieldtx = v->fieldtx_plane[top_mb_pos];
00121 stride_y = s->linesize << fieldtx;
00122 v_dist = fieldtx ? 15 : 8;
00123 s->dsp.put_signed_pixels_clamped(v->block[v->top_blk_idx][0],
00124 s->dest[0] - 16 * s->linesize,
00125 stride_y);
00126 s->dsp.put_signed_pixels_clamped(v->block[v->top_blk_idx][1],
00127 s->dest[0] - 16 * s->linesize + 8,
00128 stride_y);
00129 s->dsp.put_signed_pixels_clamped(v->block[v->top_blk_idx][2],
00130 s->dest[0] - v_dist * s->linesize,
00131 stride_y);
00132 s->dsp.put_signed_pixels_clamped(v->block[v->top_blk_idx][3],
00133 s->dest[0] - v_dist * s->linesize + 8,
00134 stride_y);
00135 s->dsp.put_signed_pixels_clamped(v->block[v->top_blk_idx][4],
00136 s->dest[1] - 8 * s->uvlinesize,
00137 s->uvlinesize);
00138 s->dsp.put_signed_pixels_clamped(v->block[v->top_blk_idx][5],
00139 s->dest[2] - 8 * s->uvlinesize,
00140 s->uvlinesize);
00141 }
00142 }
00143
00144 #define inc_blk_idx(idx) do { \
00145 idx++; \
00146 if (idx >= v->n_allocated_blks) \
00147 idx = 0; \
00148 } while (0)
00149
00150 inc_blk_idx(v->topleft_blk_idx);
00151 inc_blk_idx(v->top_blk_idx);
00152 inc_blk_idx(v->left_blk_idx);
00153 inc_blk_idx(v->cur_blk_idx);
00154 }
00155
00156 static void vc1_loop_filter_iblk(VC1Context *v, int pq)
00157 {
00158 MpegEncContext *s = &v->s;
00159 int j;
00160 if (!s->first_slice_line) {
00161 v->vc1dsp.vc1_v_loop_filter16(s->dest[0], s->linesize, pq);
00162 if (s->mb_x)
00163 v->vc1dsp.vc1_h_loop_filter16(s->dest[0] - 16 * s->linesize, s->linesize, pq);
00164 v->vc1dsp.vc1_h_loop_filter16(s->dest[0] - 16 * s->linesize + 8, s->linesize, pq);
00165 for (j = 0; j < 2; j++) {
00166 v->vc1dsp.vc1_v_loop_filter8(s->dest[j + 1], s->uvlinesize, pq);
00167 if (s->mb_x)
00168 v->vc1dsp.vc1_h_loop_filter8(s->dest[j + 1] - 8 * s->uvlinesize, s->uvlinesize, pq);
00169 }
00170 }
00171 v->vc1dsp.vc1_v_loop_filter16(s->dest[0] + 8 * s->linesize, s->linesize, pq);
00172
00173 if (s->mb_y == s->end_mb_y - 1) {
00174 if (s->mb_x) {
00175 v->vc1dsp.vc1_h_loop_filter16(s->dest[0], s->linesize, pq);
00176 v->vc1dsp.vc1_h_loop_filter8(s->dest[1], s->uvlinesize, pq);
00177 v->vc1dsp.vc1_h_loop_filter8(s->dest[2], s->uvlinesize, pq);
00178 }
00179 v->vc1dsp.vc1_h_loop_filter16(s->dest[0] + 8, s->linesize, pq);
00180 }
00181 }
00182
00183 static void vc1_loop_filter_iblk_delayed(VC1Context *v, int pq)
00184 {
00185 MpegEncContext *s = &v->s;
00186 int j;
00187
00188
00189
00190 if (!s->first_slice_line) {
00191 if (s->mb_x) {
00192 if (s->mb_y >= s->start_mb_y + 2) {
00193 v->vc1dsp.vc1_v_loop_filter16(s->dest[0] - 16 * s->linesize - 16, s->linesize, pq);
00194
00195 if (s->mb_x >= 2)
00196 v->vc1dsp.vc1_h_loop_filter16(s->dest[0] - 32 * s->linesize - 16, s->linesize, pq);
00197 v->vc1dsp.vc1_h_loop_filter16(s->dest[0] - 32 * s->linesize - 8, s->linesize, pq);
00198 for (j = 0; j < 2; j++) {
00199 v->vc1dsp.vc1_v_loop_filter8(s->dest[j + 1] - 8 * s->uvlinesize - 8, s->uvlinesize, pq);
00200 if (s->mb_x >= 2) {
00201 v->vc1dsp.vc1_h_loop_filter8(s->dest[j + 1] - 16 * s->uvlinesize - 8, s->uvlinesize, pq);
00202 }
00203 }
00204 }
00205 v->vc1dsp.vc1_v_loop_filter16(s->dest[0] - 8 * s->linesize - 16, s->linesize, pq);
00206 }
00207
00208 if (s->mb_x == s->mb_width - 1) {
00209 if (s->mb_y >= s->start_mb_y + 2) {
00210 v->vc1dsp.vc1_v_loop_filter16(s->dest[0] - 16 * s->linesize, s->linesize, pq);
00211
00212 if (s->mb_x)
00213 v->vc1dsp.vc1_h_loop_filter16(s->dest[0] - 32 * s->linesize, s->linesize, pq);
00214 v->vc1dsp.vc1_h_loop_filter16(s->dest[0] - 32 * s->linesize + 8, s->linesize, pq);
00215 for (j = 0; j < 2; j++) {
00216 v->vc1dsp.vc1_v_loop_filter8(s->dest[j + 1] - 8 * s->uvlinesize, s->uvlinesize, pq);
00217 if (s->mb_x >= 2) {
00218 v->vc1dsp.vc1_h_loop_filter8(s->dest[j + 1] - 16 * s->uvlinesize, s->uvlinesize, pq);
00219 }
00220 }
00221 }
00222 v->vc1dsp.vc1_v_loop_filter16(s->dest[0] - 8 * s->linesize, s->linesize, pq);
00223 }
00224
00225 if (s->mb_y == s->end_mb_y) {
00226 if (s->mb_x) {
00227 if (s->mb_x >= 2)
00228 v->vc1dsp.vc1_h_loop_filter16(s->dest[0] - 16 * s->linesize - 16, s->linesize, pq);
00229 v->vc1dsp.vc1_h_loop_filter16(s->dest[0] - 16 * s->linesize - 8, s->linesize, pq);
00230 if (s->mb_x >= 2) {
00231 for (j = 0; j < 2; j++) {
00232 v->vc1dsp.vc1_h_loop_filter8(s->dest[j + 1] - 8 * s->uvlinesize - 8, s->uvlinesize, pq);
00233 }
00234 }
00235 }
00236
00237 if (s->mb_x == s->mb_width - 1) {
00238 if (s->mb_x)
00239 v->vc1dsp.vc1_h_loop_filter16(s->dest[0] - 16 * s->linesize, s->linesize, pq);
00240 v->vc1dsp.vc1_h_loop_filter16(s->dest[0] - 16 * s->linesize + 8, s->linesize, pq);
00241 if (s->mb_x) {
00242 for (j = 0; j < 2; j++) {
00243 v->vc1dsp.vc1_h_loop_filter8(s->dest[j + 1] - 8 * s->uvlinesize, s->uvlinesize, pq);
00244 }
00245 }
00246 }
00247 }
00248 }
00249 }
00250
00251 static void vc1_smooth_overlap_filter_iblk(VC1Context *v)
00252 {
00253 MpegEncContext *s = &v->s;
00254 int mb_pos;
00255
00256 if (v->condover == CONDOVER_NONE)
00257 return;
00258
00259 mb_pos = s->mb_x + s->mb_y * s->mb_stride;
00260
00261
00262
00263
00264
00265
00266
00267
00268 if (v->condover == CONDOVER_ALL || v->pq >= 9 || v->over_flags_plane[mb_pos]) {
00269 if (s->mb_x && (v->condover == CONDOVER_ALL || v->pq >= 9 ||
00270 v->over_flags_plane[mb_pos - 1])) {
00271 v->vc1dsp.vc1_h_s_overlap(v->block[v->left_blk_idx][1],
00272 v->block[v->cur_blk_idx][0]);
00273 v->vc1dsp.vc1_h_s_overlap(v->block[v->left_blk_idx][3],
00274 v->block[v->cur_blk_idx][2]);
00275 if (!(s->flags & CODEC_FLAG_GRAY)) {
00276 v->vc1dsp.vc1_h_s_overlap(v->block[v->left_blk_idx][4],
00277 v->block[v->cur_blk_idx][4]);
00278 v->vc1dsp.vc1_h_s_overlap(v->block[v->left_blk_idx][5],
00279 v->block[v->cur_blk_idx][5]);
00280 }
00281 }
00282 v->vc1dsp.vc1_h_s_overlap(v->block[v->cur_blk_idx][0],
00283 v->block[v->cur_blk_idx][1]);
00284 v->vc1dsp.vc1_h_s_overlap(v->block[v->cur_blk_idx][2],
00285 v->block[v->cur_blk_idx][3]);
00286
00287 if (s->mb_x == s->mb_width - 1) {
00288 if (!s->first_slice_line && (v->condover == CONDOVER_ALL || v->pq >= 9 ||
00289 v->over_flags_plane[mb_pos - s->mb_stride])) {
00290 v->vc1dsp.vc1_v_s_overlap(v->block[v->top_blk_idx][2],
00291 v->block[v->cur_blk_idx][0]);
00292 v->vc1dsp.vc1_v_s_overlap(v->block[v->top_blk_idx][3],
00293 v->block[v->cur_blk_idx][1]);
00294 if (!(s->flags & CODEC_FLAG_GRAY)) {
00295 v->vc1dsp.vc1_v_s_overlap(v->block[v->top_blk_idx][4],
00296 v->block[v->cur_blk_idx][4]);
00297 v->vc1dsp.vc1_v_s_overlap(v->block[v->top_blk_idx][5],
00298 v->block[v->cur_blk_idx][5]);
00299 }
00300 }
00301 v->vc1dsp.vc1_v_s_overlap(v->block[v->cur_blk_idx][0],
00302 v->block[v->cur_blk_idx][2]);
00303 v->vc1dsp.vc1_v_s_overlap(v->block[v->cur_blk_idx][1],
00304 v->block[v->cur_blk_idx][3]);
00305 }
00306 }
00307 if (s->mb_x && (v->condover == CONDOVER_ALL || v->over_flags_plane[mb_pos - 1])) {
00308 if (!s->first_slice_line && (v->condover == CONDOVER_ALL || v->pq >= 9 ||
00309 v->over_flags_plane[mb_pos - s->mb_stride - 1])) {
00310 v->vc1dsp.vc1_v_s_overlap(v->block[v->topleft_blk_idx][2],
00311 v->block[v->left_blk_idx][0]);
00312 v->vc1dsp.vc1_v_s_overlap(v->block[v->topleft_blk_idx][3],
00313 v->block[v->left_blk_idx][1]);
00314 if (!(s->flags & CODEC_FLAG_GRAY)) {
00315 v->vc1dsp.vc1_v_s_overlap(v->block[v->topleft_blk_idx][4],
00316 v->block[v->left_blk_idx][4]);
00317 v->vc1dsp.vc1_v_s_overlap(v->block[v->topleft_blk_idx][5],
00318 v->block[v->left_blk_idx][5]);
00319 }
00320 }
00321 v->vc1dsp.vc1_v_s_overlap(v->block[v->left_blk_idx][0],
00322 v->block[v->left_blk_idx][2]);
00323 v->vc1dsp.vc1_v_s_overlap(v->block[v->left_blk_idx][1],
00324 v->block[v->left_blk_idx][3]);
00325 }
00326 }
00327
00331 static void vc1_mc_1mv(VC1Context *v, int dir)
00332 {
00333 MpegEncContext *s = &v->s;
00334 DSPContext *dsp = &v->s.dsp;
00335 uint8_t *srcY, *srcU, *srcV;
00336 int dxy, mx, my, uvmx, uvmy, src_x, src_y, uvsrc_x, uvsrc_y;
00337 int off, off_uv;
00338 int v_edge_pos = s->v_edge_pos >> v->field_mode;
00339
00340 if ((!v->field_mode ||
00341 (v->ref_field_type[dir] == 1 && v->cur_field_type == 1)) &&
00342 !v->s.last_picture.f.data[0])
00343 return;
00344
00345 mx = s->mv[dir][0][0];
00346 my = s->mv[dir][0][1];
00347
00348
00349 if (s->pict_type == AV_PICTURE_TYPE_P) {
00350 s->current_picture.f.motion_val[1][s->block_index[0] + v->blocks_off][0] = mx;
00351 s->current_picture.f.motion_val[1][s->block_index[0] + v->blocks_off][1] = my;
00352 }
00353
00354 uvmx = (mx + ((mx & 3) == 3)) >> 1;
00355 uvmy = (my + ((my & 3) == 3)) >> 1;
00356 v->luma_mv[s->mb_x][0] = uvmx;
00357 v->luma_mv[s->mb_x][1] = uvmy;
00358
00359 if (v->field_mode &&
00360 v->cur_field_type != v->ref_field_type[dir]) {
00361 my = my - 2 + 4 * v->cur_field_type;
00362 uvmy = uvmy - 2 + 4 * v->cur_field_type;
00363 }
00364
00365
00366 if (v->fastuvmc && (v->fcm != ILACE_FRAME)) {
00367 uvmx = uvmx + ((uvmx < 0) ? (uvmx & 1) : -(uvmx & 1));
00368 uvmy = uvmy + ((uvmy < 0) ? (uvmy & 1) : -(uvmy & 1));
00369 }
00370 if (v->field_mode) {
00371 if (!dir) {
00372 if ((v->cur_field_type != v->ref_field_type[dir]) && v->cur_field_type) {
00373 srcY = s->current_picture.f.data[0];
00374 srcU = s->current_picture.f.data[1];
00375 srcV = s->current_picture.f.data[2];
00376 } else {
00377 srcY = s->last_picture.f.data[0];
00378 srcU = s->last_picture.f.data[1];
00379 srcV = s->last_picture.f.data[2];
00380 }
00381 } else {
00382 srcY = s->next_picture.f.data[0];
00383 srcU = s->next_picture.f.data[1];
00384 srcV = s->next_picture.f.data[2];
00385 }
00386 } else {
00387 if (!dir) {
00388 srcY = s->last_picture.f.data[0];
00389 srcU = s->last_picture.f.data[1];
00390 srcV = s->last_picture.f.data[2];
00391 } else {
00392 srcY = s->next_picture.f.data[0];
00393 srcU = s->next_picture.f.data[1];
00394 srcV = s->next_picture.f.data[2];
00395 }
00396 }
00397
00398 if (!srcY || !srcU) {
00399 av_log(v->s.avctx, AV_LOG_ERROR, "Referenced frame missing.\n");
00400 return;
00401 }
00402
00403 src_x = s->mb_x * 16 + (mx >> 2);
00404 src_y = s->mb_y * 16 + (my >> 2);
00405 uvsrc_x = s->mb_x * 8 + (uvmx >> 2);
00406 uvsrc_y = s->mb_y * 8 + (uvmy >> 2);
00407
00408 if (v->profile != PROFILE_ADVANCED) {
00409 src_x = av_clip( src_x, -16, s->mb_width * 16);
00410 src_y = av_clip( src_y, -16, s->mb_height * 16);
00411 uvsrc_x = av_clip(uvsrc_x, -8, s->mb_width * 8);
00412 uvsrc_y = av_clip(uvsrc_y, -8, s->mb_height * 8);
00413 } else {
00414 src_x = av_clip( src_x, -17, s->avctx->coded_width);
00415 src_y = av_clip( src_y, -18, s->avctx->coded_height + 1);
00416 uvsrc_x = av_clip(uvsrc_x, -8, s->avctx->coded_width >> 1);
00417 uvsrc_y = av_clip(uvsrc_y, -8, s->avctx->coded_height >> 1);
00418 }
00419
00420 srcY += src_y * s->linesize + src_x;
00421 srcU += uvsrc_y * s->uvlinesize + uvsrc_x;
00422 srcV += uvsrc_y * s->uvlinesize + uvsrc_x;
00423
00424 if (v->field_mode && v->ref_field_type[dir]) {
00425 srcY += s->current_picture_ptr->f.linesize[0];
00426 srcU += s->current_picture_ptr->f.linesize[1];
00427 srcV += s->current_picture_ptr->f.linesize[2];
00428 }
00429
00430
00431 if (s->flags & CODEC_FLAG_GRAY) {
00432 srcU = s->edge_emu_buffer + 18 * s->linesize;
00433 srcV = s->edge_emu_buffer + 18 * s->linesize;
00434 }
00435
00436 if (v->rangeredfrm || (v->mv_mode == MV_PMODE_INTENSITY_COMP)
00437 || s->h_edge_pos < 22 || v_edge_pos < 22
00438 || (unsigned)(src_x - s->mspel) > s->h_edge_pos - (mx&3) - 16 - s->mspel * 3
00439 || (unsigned)(src_y - s->mspel) > v_edge_pos - (my&3) - 16 - s->mspel * 3) {
00440 uint8_t *uvbuf = s->edge_emu_buffer + 19 * s->linesize;
00441
00442 srcY -= s->mspel * (1 + s->linesize);
00443 s->dsp.emulated_edge_mc(s->edge_emu_buffer, srcY, s->linesize,
00444 17 + s->mspel * 2, 17 + s->mspel * 2,
00445 src_x - s->mspel, src_y - s->mspel,
00446 s->h_edge_pos, v_edge_pos);
00447 srcY = s->edge_emu_buffer;
00448 s->dsp.emulated_edge_mc(uvbuf , srcU, s->uvlinesize, 8 + 1, 8 + 1,
00449 uvsrc_x, uvsrc_y, s->h_edge_pos >> 1, v_edge_pos >> 1);
00450 s->dsp.emulated_edge_mc(uvbuf + 16, srcV, s->uvlinesize, 8 + 1, 8 + 1,
00451 uvsrc_x, uvsrc_y, s->h_edge_pos >> 1, v_edge_pos >> 1);
00452 srcU = uvbuf;
00453 srcV = uvbuf + 16;
00454
00455 if (v->rangeredfrm) {
00456 int i, j;
00457 uint8_t *src, *src2;
00458
00459 src = srcY;
00460 for (j = 0; j < 17 + s->mspel * 2; j++) {
00461 for (i = 0; i < 17 + s->mspel * 2; i++)
00462 src[i] = ((src[i] - 128) >> 1) + 128;
00463 src += s->linesize;
00464 }
00465 src = srcU;
00466 src2 = srcV;
00467 for (j = 0; j < 9; j++) {
00468 for (i = 0; i < 9; i++) {
00469 src[i] = ((src[i] - 128) >> 1) + 128;
00470 src2[i] = ((src2[i] - 128) >> 1) + 128;
00471 }
00472 src += s->uvlinesize;
00473 src2 += s->uvlinesize;
00474 }
00475 }
00476
00477 if (v->mv_mode == MV_PMODE_INTENSITY_COMP) {
00478 int i, j;
00479 uint8_t *src, *src2;
00480
00481 src = srcY;
00482 for (j = 0; j < 17 + s->mspel * 2; j++) {
00483 for (i = 0; i < 17 + s->mspel * 2; i++)
00484 src[i] = v->luty[src[i]];
00485 src += s->linesize;
00486 }
00487 src = srcU;
00488 src2 = srcV;
00489 for (j = 0; j < 9; j++) {
00490 for (i = 0; i < 9; i++) {
00491 src[i] = v->lutuv[src[i]];
00492 src2[i] = v->lutuv[src2[i]];
00493 }
00494 src += s->uvlinesize;
00495 src2 += s->uvlinesize;
00496 }
00497 }
00498 srcY += s->mspel * (1 + s->linesize);
00499 }
00500
00501 if (v->field_mode && v->cur_field_type) {
00502 off = s->current_picture_ptr->f.linesize[0];
00503 off_uv = s->current_picture_ptr->f.linesize[1];
00504 } else {
00505 off = 0;
00506 off_uv = 0;
00507 }
00508 if (s->mspel) {
00509 dxy = ((my & 3) << 2) | (mx & 3);
00510 v->vc1dsp.put_vc1_mspel_pixels_tab[dxy](s->dest[0] + off , srcY , s->linesize, v->rnd);
00511 v->vc1dsp.put_vc1_mspel_pixels_tab[dxy](s->dest[0] + off + 8, srcY + 8, s->linesize, v->rnd);
00512 srcY += s->linesize * 8;
00513 v->vc1dsp.put_vc1_mspel_pixels_tab[dxy](s->dest[0] + off + 8 * s->linesize , srcY , s->linesize, v->rnd);
00514 v->vc1dsp.put_vc1_mspel_pixels_tab[dxy](s->dest[0] + off + 8 * s->linesize + 8, srcY + 8, s->linesize, v->rnd);
00515 } else {
00516 dxy = (my & 2) | ((mx & 2) >> 1);
00517 if (!v->rnd)
00518 dsp->put_pixels_tab[0][dxy](s->dest[0] + off, srcY, s->linesize, 16);
00519 else
00520 dsp->put_no_rnd_pixels_tab[0][dxy](s->dest[0] + off, srcY, s->linesize, 16);
00521 }
00522
00523 if (s->flags & CODEC_FLAG_GRAY) return;
00524
00525 uvmx = (uvmx & 3) << 1;
00526 uvmy = (uvmy & 3) << 1;
00527 if (!v->rnd) {
00528 dsp->put_h264_chroma_pixels_tab[0](s->dest[1] + off_uv, srcU, s->uvlinesize, 8, uvmx, uvmy);
00529 dsp->put_h264_chroma_pixels_tab[0](s->dest[2] + off_uv, srcV, s->uvlinesize, 8, uvmx, uvmy);
00530 } else {
00531 v->vc1dsp.put_no_rnd_vc1_chroma_pixels_tab[0](s->dest[1] + off_uv, srcU, s->uvlinesize, 8, uvmx, uvmy);
00532 v->vc1dsp.put_no_rnd_vc1_chroma_pixels_tab[0](s->dest[2] + off_uv, srcV, s->uvlinesize, 8, uvmx, uvmy);
00533 }
00534 }
00535
00536 static inline int median4(int a, int b, int c, int d)
00537 {
00538 if (a < b) {
00539 if (c < d) return (FFMIN(b, d) + FFMAX(a, c)) / 2;
00540 else return (FFMIN(b, c) + FFMAX(a, d)) / 2;
00541 } else {
00542 if (c < d) return (FFMIN(a, d) + FFMAX(b, c)) / 2;
00543 else return (FFMIN(a, c) + FFMAX(b, d)) / 2;
00544 }
00545 }
00546
00549 static void vc1_mc_4mv_luma(VC1Context *v, int n, int dir)
00550 {
00551 MpegEncContext *s = &v->s;
00552 DSPContext *dsp = &v->s.dsp;
00553 uint8_t *srcY;
00554 int dxy, mx, my, src_x, src_y;
00555 int off;
00556 int fieldmv = (v->fcm == ILACE_FRAME) ? v->blk_mv_type[s->block_index[n]] : 0;
00557 int v_edge_pos = s->v_edge_pos >> v->field_mode;
00558
00559 if ((!v->field_mode ||
00560 (v->ref_field_type[dir] == 1 && v->cur_field_type == 1)) &&
00561 !v->s.last_picture.f.data[0])
00562 return;
00563
00564 mx = s->mv[dir][n][0];
00565 my = s->mv[dir][n][1];
00566
00567 if (!dir) {
00568 if (v->field_mode) {
00569 if ((v->cur_field_type != v->ref_field_type[dir]) && v->cur_field_type)
00570 srcY = s->current_picture.f.data[0];
00571 else
00572 srcY = s->last_picture.f.data[0];
00573 } else
00574 srcY = s->last_picture.f.data[0];
00575 } else
00576 srcY = s->next_picture.f.data[0];
00577
00578 if (!srcY) {
00579 av_log(v->s.avctx, AV_LOG_ERROR, "Referenced frame missing.\n");
00580 return;
00581 }
00582
00583 if (v->field_mode) {
00584 if (v->cur_field_type != v->ref_field_type[dir])
00585 my = my - 2 + 4 * v->cur_field_type;
00586 }
00587
00588 if (s->pict_type == AV_PICTURE_TYPE_P && n == 3 && v->field_mode) {
00589 int same_count = 0, opp_count = 0, k;
00590 int chosen_mv[2][4][2], f;
00591 int tx, ty;
00592 for (k = 0; k < 4; k++) {
00593 f = v->mv_f[0][s->block_index[k] + v->blocks_off];
00594 chosen_mv[f][f ? opp_count : same_count][0] = s->mv[0][k][0];
00595 chosen_mv[f][f ? opp_count : same_count][1] = s->mv[0][k][1];
00596 opp_count += f;
00597 same_count += 1 - f;
00598 }
00599 f = opp_count > same_count;
00600 switch (f ? opp_count : same_count) {
00601 case 4:
00602 tx = median4(chosen_mv[f][0][0], chosen_mv[f][1][0],
00603 chosen_mv[f][2][0], chosen_mv[f][3][0]);
00604 ty = median4(chosen_mv[f][0][1], chosen_mv[f][1][1],
00605 chosen_mv[f][2][1], chosen_mv[f][3][1]);
00606 break;
00607 case 3:
00608 tx = mid_pred(chosen_mv[f][0][0], chosen_mv[f][1][0], chosen_mv[f][2][0]);
00609 ty = mid_pred(chosen_mv[f][0][1], chosen_mv[f][1][1], chosen_mv[f][2][1]);
00610 break;
00611 case 2:
00612 tx = (chosen_mv[f][0][0] + chosen_mv[f][1][0]) / 2;
00613 ty = (chosen_mv[f][0][1] + chosen_mv[f][1][1]) / 2;
00614 break;
00615 }
00616 s->current_picture.f.motion_val[1][s->block_index[0] + v->blocks_off][0] = tx;
00617 s->current_picture.f.motion_val[1][s->block_index[0] + v->blocks_off][1] = ty;
00618 for (k = 0; k < 4; k++)
00619 v->mv_f[1][s->block_index[k] + v->blocks_off] = f;
00620 }
00621
00622 if (v->fcm == ILACE_FRAME) {
00623 int qx, qy;
00624 int width = s->avctx->coded_width;
00625 int height = s->avctx->coded_height >> 1;
00626 qx = (s->mb_x * 16) + (mx >> 2);
00627 qy = (s->mb_y * 8) + (my >> 3);
00628
00629 if (qx < -17)
00630 mx -= 4 * (qx + 17);
00631 else if (qx > width)
00632 mx -= 4 * (qx - width);
00633 if (qy < -18)
00634 my -= 8 * (qy + 18);
00635 else if (qy > height + 1)
00636 my -= 8 * (qy - height - 1);
00637 }
00638
00639 if ((v->fcm == ILACE_FRAME) && fieldmv)
00640 off = ((n > 1) ? s->linesize : 0) + (n & 1) * 8;
00641 else
00642 off = s->linesize * 4 * (n & 2) + (n & 1) * 8;
00643 if (v->field_mode && v->cur_field_type)
00644 off += s->current_picture_ptr->f.linesize[0];
00645
00646 src_x = s->mb_x * 16 + (n & 1) * 8 + (mx >> 2);
00647 if (!fieldmv)
00648 src_y = s->mb_y * 16 + (n & 2) * 4 + (my >> 2);
00649 else
00650 src_y = s->mb_y * 16 + ((n > 1) ? 1 : 0) + (my >> 2);
00651
00652 if (v->profile != PROFILE_ADVANCED) {
00653 src_x = av_clip(src_x, -16, s->mb_width * 16);
00654 src_y = av_clip(src_y, -16, s->mb_height * 16);
00655 } else {
00656 src_x = av_clip(src_x, -17, s->avctx->coded_width);
00657 if (v->fcm == ILACE_FRAME) {
00658 if (src_y & 1)
00659 src_y = av_clip(src_y, -17, s->avctx->coded_height + 1);
00660 else
00661 src_y = av_clip(src_y, -18, s->avctx->coded_height);
00662 } else {
00663 src_y = av_clip(src_y, -18, s->avctx->coded_height + 1);
00664 }
00665 }
00666
00667 srcY += src_y * s->linesize + src_x;
00668 if (v->field_mode && v->ref_field_type[dir])
00669 srcY += s->current_picture_ptr->f.linesize[0];
00670
00671 if (fieldmv && !(src_y & 1))
00672 v_edge_pos--;
00673 if (fieldmv && (src_y & 1) && src_y < 4)
00674 src_y--;
00675 if (v->rangeredfrm || (v->mv_mode == MV_PMODE_INTENSITY_COMP)
00676 || s->h_edge_pos < 13 || v_edge_pos < 23
00677 || (unsigned)(src_x - s->mspel) > s->h_edge_pos - (mx & 3) - 8 - s->mspel * 2
00678 || (unsigned)(src_y - (s->mspel << fieldmv)) > v_edge_pos - (my & 3) - ((8 + s->mspel * 2) << fieldmv)) {
00679 srcY -= s->mspel * (1 + (s->linesize << fieldmv));
00680
00681 s->dsp.emulated_edge_mc(s->edge_emu_buffer, srcY, s->linesize,
00682 9 + s->mspel * 2, (9 + s->mspel * 2) << fieldmv,
00683 src_x - s->mspel, src_y - (s->mspel << fieldmv),
00684 s->h_edge_pos, v_edge_pos);
00685 srcY = s->edge_emu_buffer;
00686
00687 if (v->rangeredfrm) {
00688 int i, j;
00689 uint8_t *src;
00690
00691 src = srcY;
00692 for (j = 0; j < 9 + s->mspel * 2; j++) {
00693 for (i = 0; i < 9 + s->mspel * 2; i++)
00694 src[i] = ((src[i] - 128) >> 1) + 128;
00695 src += s->linesize << fieldmv;
00696 }
00697 }
00698
00699 if (v->mv_mode == MV_PMODE_INTENSITY_COMP) {
00700 int i, j;
00701 uint8_t *src;
00702
00703 src = srcY;
00704 for (j = 0; j < 9 + s->mspel * 2; j++) {
00705 for (i = 0; i < 9 + s->mspel * 2; i++)
00706 src[i] = v->luty[src[i]];
00707 src += s->linesize << fieldmv;
00708 }
00709 }
00710 srcY += s->mspel * (1 + (s->linesize << fieldmv));
00711 }
00712
00713 if (s->mspel) {
00714 dxy = ((my & 3) << 2) | (mx & 3);
00715 v->vc1dsp.put_vc1_mspel_pixels_tab[dxy](s->dest[0] + off, srcY, s->linesize << fieldmv, v->rnd);
00716 } else {
00717 dxy = (my & 2) | ((mx & 2) >> 1);
00718 if (!v->rnd)
00719 dsp->put_pixels_tab[1][dxy](s->dest[0] + off, srcY, s->linesize, 8);
00720 else
00721 dsp->put_no_rnd_pixels_tab[1][dxy](s->dest[0] + off, srcY, s->linesize, 8);
00722 }
00723 }
00724
00725 static av_always_inline int get_chroma_mv(int *mvx, int *mvy, int *a, int flag, int *tx, int *ty)
00726 {
00727 int idx, i;
00728 static const int count[16] = { 0, 1, 1, 2, 1, 2, 2, 3, 1, 2, 2, 3, 2, 3, 3, 4};
00729
00730 idx = ((a[3] != flag) << 3)
00731 | ((a[2] != flag) << 2)
00732 | ((a[1] != flag) << 1)
00733 | (a[0] != flag);
00734 if (!idx) {
00735 *tx = median4(mvx[0], mvx[1], mvx[2], mvx[3]);
00736 *ty = median4(mvy[0], mvy[1], mvy[2], mvy[3]);
00737 return 4;
00738 } else if (count[idx] == 1) {
00739 switch (idx) {
00740 case 0x1:
00741 *tx = mid_pred(mvx[1], mvx[2], mvx[3]);
00742 *ty = mid_pred(mvy[1], mvy[2], mvy[3]);
00743 return 3;
00744 case 0x2:
00745 *tx = mid_pred(mvx[0], mvx[2], mvx[3]);
00746 *ty = mid_pred(mvy[0], mvy[2], mvy[3]);
00747 return 3;
00748 case 0x4:
00749 *tx = mid_pred(mvx[0], mvx[1], mvx[3]);
00750 *ty = mid_pred(mvy[0], mvy[1], mvy[3]);
00751 return 3;
00752 case 0x8:
00753 *tx = mid_pred(mvx[0], mvx[1], mvx[2]);
00754 *ty = mid_pred(mvy[0], mvy[1], mvy[2]);
00755 return 3;
00756 }
00757 } else if (count[idx] == 2) {
00758 int t1 = 0, t2 = 0;
00759 for (i = 0; i < 3; i++)
00760 if (!a[i]) {
00761 t1 = i;
00762 break;
00763 }
00764 for (i = t1 + 1; i < 4; i++)
00765 if (!a[i]) {
00766 t2 = i;
00767 break;
00768 }
00769 *tx = (mvx[t1] + mvx[t2]) / 2;
00770 *ty = (mvy[t1] + mvy[t2]) / 2;
00771 return 2;
00772 } else {
00773 return 0;
00774 }
00775 return -1;
00776 }
00777
00780 static void vc1_mc_4mv_chroma(VC1Context *v, int dir)
00781 {
00782 MpegEncContext *s = &v->s;
00783 DSPContext *dsp = &v->s.dsp;
00784 uint8_t *srcU, *srcV;
00785 int uvmx, uvmy, uvsrc_x, uvsrc_y;
00786 int k, tx = 0, ty = 0;
00787 int mvx[4], mvy[4], intra[4], mv_f[4];
00788 int valid_count;
00789 int chroma_ref_type = v->cur_field_type, off = 0;
00790 int v_edge_pos = s->v_edge_pos >> v->field_mode;
00791
00792 if (!v->field_mode && !v->s.last_picture.f.data[0])
00793 return;
00794 if (s->flags & CODEC_FLAG_GRAY)
00795 return;
00796
00797 for (k = 0; k < 4; k++) {
00798 mvx[k] = s->mv[dir][k][0];
00799 mvy[k] = s->mv[dir][k][1];
00800 intra[k] = v->mb_type[0][s->block_index[k]];
00801 if (v->field_mode)
00802 mv_f[k] = v->mv_f[dir][s->block_index[k] + v->blocks_off];
00803 }
00804
00805
00806 if (!v->field_mode || (v->field_mode && !v->numref)) {
00807 valid_count = get_chroma_mv(mvx, mvy, intra, 0, &tx, &ty);
00808 if (!valid_count) {
00809 s->current_picture.f.motion_val[1][s->block_index[0] + v->blocks_off][0] = 0;
00810 s->current_picture.f.motion_val[1][s->block_index[0] + v->blocks_off][1] = 0;
00811 v->luma_mv[s->mb_x][0] = v->luma_mv[s->mb_x][1] = 0;
00812 return;
00813 }
00814 } else {
00815 int dominant = 0;
00816 if (mv_f[0] + mv_f[1] + mv_f[2] + mv_f[3] > 2)
00817 dominant = 1;
00818 valid_count = get_chroma_mv(mvx, mvy, mv_f, dominant, &tx, &ty);
00819 if (dominant)
00820 chroma_ref_type = !v->cur_field_type;
00821 }
00822 if (v->field_mode && chroma_ref_type == 1 && v->cur_field_type == 1 && !v->s.last_picture.f.data[0])
00823 return;
00824 s->current_picture.f.motion_val[1][s->block_index[0] + v->blocks_off][0] = tx;
00825 s->current_picture.f.motion_val[1][s->block_index[0] + v->blocks_off][1] = ty;
00826 uvmx = (tx + ((tx & 3) == 3)) >> 1;
00827 uvmy = (ty + ((ty & 3) == 3)) >> 1;
00828
00829 v->luma_mv[s->mb_x][0] = uvmx;
00830 v->luma_mv[s->mb_x][1] = uvmy;
00831
00832 if (v->fastuvmc) {
00833 uvmx = uvmx + ((uvmx < 0) ? (uvmx & 1) : -(uvmx & 1));
00834 uvmy = uvmy + ((uvmy < 0) ? (uvmy & 1) : -(uvmy & 1));
00835 }
00836
00837 if (v->cur_field_type != chroma_ref_type)
00838 uvmy += 2 - 4 * chroma_ref_type;
00839
00840 uvsrc_x = s->mb_x * 8 + (uvmx >> 2);
00841 uvsrc_y = s->mb_y * 8 + (uvmy >> 2);
00842
00843 if (v->profile != PROFILE_ADVANCED) {
00844 uvsrc_x = av_clip(uvsrc_x, -8, s->mb_width * 8);
00845 uvsrc_y = av_clip(uvsrc_y, -8, s->mb_height * 8);
00846 } else {
00847 uvsrc_x = av_clip(uvsrc_x, -8, s->avctx->coded_width >> 1);
00848 uvsrc_y = av_clip(uvsrc_y, -8, s->avctx->coded_height >> 1);
00849 }
00850
00851 if (!dir) {
00852 if (v->field_mode) {
00853 if ((v->cur_field_type != chroma_ref_type) && v->cur_field_type) {
00854 srcU = s->current_picture.f.data[1] + uvsrc_y * s->uvlinesize + uvsrc_x;
00855 srcV = s->current_picture.f.data[2] + uvsrc_y * s->uvlinesize + uvsrc_x;
00856 } else {
00857 srcU = s->last_picture.f.data[1] + uvsrc_y * s->uvlinesize + uvsrc_x;
00858 srcV = s->last_picture.f.data[2] + uvsrc_y * s->uvlinesize + uvsrc_x;
00859 }
00860 } else {
00861 srcU = s->last_picture.f.data[1] + uvsrc_y * s->uvlinesize + uvsrc_x;
00862 srcV = s->last_picture.f.data[2] + uvsrc_y * s->uvlinesize + uvsrc_x;
00863 }
00864 } else {
00865 srcU = s->next_picture.f.data[1] + uvsrc_y * s->uvlinesize + uvsrc_x;
00866 srcV = s->next_picture.f.data[2] + uvsrc_y * s->uvlinesize + uvsrc_x;
00867 }
00868
00869 if (!srcU) {
00870 av_log(v->s.avctx, AV_LOG_ERROR, "Referenced frame missing.\n");
00871 return;
00872 }
00873
00874 if (v->field_mode) {
00875 if (chroma_ref_type) {
00876 srcU += s->current_picture_ptr->f.linesize[1];
00877 srcV += s->current_picture_ptr->f.linesize[2];
00878 }
00879 off = v->cur_field_type ? s->current_picture_ptr->f.linesize[1] : 0;
00880 }
00881
00882 if (v->rangeredfrm || (v->mv_mode == MV_PMODE_INTENSITY_COMP)
00883 || s->h_edge_pos < 18 || v_edge_pos < 18
00884 || (unsigned)uvsrc_x > (s->h_edge_pos >> 1) - 9
00885 || (unsigned)uvsrc_y > (v_edge_pos >> 1) - 9) {
00886 s->dsp.emulated_edge_mc(s->edge_emu_buffer , srcU, s->uvlinesize,
00887 8 + 1, 8 + 1, uvsrc_x, uvsrc_y,
00888 s->h_edge_pos >> 1, v_edge_pos >> 1);
00889 s->dsp.emulated_edge_mc(s->edge_emu_buffer + 16, srcV, s->uvlinesize,
00890 8 + 1, 8 + 1, uvsrc_x, uvsrc_y,
00891 s->h_edge_pos >> 1, v_edge_pos >> 1);
00892 srcU = s->edge_emu_buffer;
00893 srcV = s->edge_emu_buffer + 16;
00894
00895
00896 if (v->rangeredfrm) {
00897 int i, j;
00898 uint8_t *src, *src2;
00899
00900 src = srcU;
00901 src2 = srcV;
00902 for (j = 0; j < 9; j++) {
00903 for (i = 0; i < 9; i++) {
00904 src[i] = ((src[i] - 128) >> 1) + 128;
00905 src2[i] = ((src2[i] - 128) >> 1) + 128;
00906 }
00907 src += s->uvlinesize;
00908 src2 += s->uvlinesize;
00909 }
00910 }
00911
00912 if (v->mv_mode == MV_PMODE_INTENSITY_COMP) {
00913 int i, j;
00914 uint8_t *src, *src2;
00915
00916 src = srcU;
00917 src2 = srcV;
00918 for (j = 0; j < 9; j++) {
00919 for (i = 0; i < 9; i++) {
00920 src[i] = v->lutuv[src[i]];
00921 src2[i] = v->lutuv[src2[i]];
00922 }
00923 src += s->uvlinesize;
00924 src2 += s->uvlinesize;
00925 }
00926 }
00927 }
00928
00929
00930 uvmx = (uvmx & 3) << 1;
00931 uvmy = (uvmy & 3) << 1;
00932 if (!v->rnd) {
00933 dsp->put_h264_chroma_pixels_tab[0](s->dest[1] + off, srcU, s->uvlinesize, 8, uvmx, uvmy);
00934 dsp->put_h264_chroma_pixels_tab[0](s->dest[2] + off, srcV, s->uvlinesize, 8, uvmx, uvmy);
00935 } else {
00936 v->vc1dsp.put_no_rnd_vc1_chroma_pixels_tab[0](s->dest[1] + off, srcU, s->uvlinesize, 8, uvmx, uvmy);
00937 v->vc1dsp.put_no_rnd_vc1_chroma_pixels_tab[0](s->dest[2] + off, srcV, s->uvlinesize, 8, uvmx, uvmy);
00938 }
00939 }
00940
00943 static void vc1_mc_4mv_chroma4(VC1Context *v)
00944 {
00945 MpegEncContext *s = &v->s;
00946 DSPContext *dsp = &v->s.dsp;
00947 uint8_t *srcU, *srcV;
00948 int uvsrc_x, uvsrc_y;
00949 int uvmx_field[4], uvmy_field[4];
00950 int i, off, tx, ty;
00951 int fieldmv = v->blk_mv_type[s->block_index[0]];
00952 static const int s_rndtblfield[16] = { 0, 0, 1, 2, 4, 4, 5, 6, 2, 2, 3, 8, 6, 6, 7, 12 };
00953 int v_dist = fieldmv ? 1 : 4;
00954 int v_edge_pos = s->v_edge_pos >> 1;
00955
00956 if (!v->s.last_picture.f.data[0])
00957 return;
00958 if (s->flags & CODEC_FLAG_GRAY)
00959 return;
00960
00961 for (i = 0; i < 4; i++) {
00962 tx = s->mv[0][i][0];
00963 uvmx_field[i] = (tx + ((tx & 3) == 3)) >> 1;
00964 ty = s->mv[0][i][1];
00965 if (fieldmv)
00966 uvmy_field[i] = (ty >> 4) * 8 + s_rndtblfield[ty & 0xF];
00967 else
00968 uvmy_field[i] = (ty + ((ty & 3) == 3)) >> 1;
00969 }
00970
00971 for (i = 0; i < 4; i++) {
00972 off = (i & 1) * 4 + ((i & 2) ? v_dist * s->uvlinesize : 0);
00973 uvsrc_x = s->mb_x * 8 + (i & 1) * 4 + (uvmx_field[i] >> 2);
00974 uvsrc_y = s->mb_y * 8 + ((i & 2) ? v_dist : 0) + (uvmy_field[i] >> 2);
00975
00976 uvsrc_x = av_clip(uvsrc_x, -8, s->avctx->coded_width >> 1);
00977 uvsrc_y = av_clip(uvsrc_y, -8, s->avctx->coded_height >> 1);
00978 srcU = s->last_picture.f.data[1] + uvsrc_y * s->uvlinesize + uvsrc_x;
00979 srcV = s->last_picture.f.data[2] + uvsrc_y * s->uvlinesize + uvsrc_x;
00980 uvmx_field[i] = (uvmx_field[i] & 3) << 1;
00981 uvmy_field[i] = (uvmy_field[i] & 3) << 1;
00982
00983 if (fieldmv && !(uvsrc_y & 1))
00984 v_edge_pos--;
00985 if (fieldmv && (uvsrc_y & 1) && uvsrc_y < 2)
00986 uvsrc_y--;
00987 if ((v->mv_mode == MV_PMODE_INTENSITY_COMP)
00988 || s->h_edge_pos < 10 || v_edge_pos < (5 << fieldmv)
00989 || (unsigned)uvsrc_x > (s->h_edge_pos >> 1) - 5
00990 || (unsigned)uvsrc_y > v_edge_pos - (5 << fieldmv)) {
00991 s->dsp.emulated_edge_mc(s->edge_emu_buffer, srcU, s->uvlinesize,
00992 5, (5 << fieldmv), uvsrc_x, uvsrc_y,
00993 s->h_edge_pos >> 1, v_edge_pos);
00994 s->dsp.emulated_edge_mc(s->edge_emu_buffer + 16, srcV, s->uvlinesize,
00995 5, (5 << fieldmv), uvsrc_x, uvsrc_y,
00996 s->h_edge_pos >> 1, v_edge_pos);
00997 srcU = s->edge_emu_buffer;
00998 srcV = s->edge_emu_buffer + 16;
00999
01000
01001 if (v->mv_mode == MV_PMODE_INTENSITY_COMP) {
01002 int i, j;
01003 uint8_t *src, *src2;
01004
01005 src = srcU;
01006 src2 = srcV;
01007 for (j = 0; j < 5; j++) {
01008 for (i = 0; i < 5; i++) {
01009 src[i] = v->lutuv[src[i]];
01010 src2[i] = v->lutuv[src2[i]];
01011 }
01012 src += s->uvlinesize << 1;
01013 src2 += s->uvlinesize << 1;
01014 }
01015 }
01016 }
01017 if (!v->rnd) {
01018 dsp->put_h264_chroma_pixels_tab[1](s->dest[1] + off, srcU, s->uvlinesize << fieldmv, 4, uvmx_field[i], uvmy_field[i]);
01019 dsp->put_h264_chroma_pixels_tab[1](s->dest[2] + off, srcV, s->uvlinesize << fieldmv, 4, uvmx_field[i], uvmy_field[i]);
01020 } else {
01021 v->vc1dsp.put_no_rnd_vc1_chroma_pixels_tab[1](s->dest[1] + off, srcU, s->uvlinesize << fieldmv, 4, uvmx_field[i], uvmy_field[i]);
01022 v->vc1dsp.put_no_rnd_vc1_chroma_pixels_tab[1](s->dest[2] + off, srcV, s->uvlinesize << fieldmv, 4, uvmx_field[i], uvmy_field[i]);
01023 }
01024 }
01025 }
01026
01027
01038 #define GET_MQUANT() \
01039 if (v->dquantfrm) { \
01040 int edges = 0; \
01041 if (v->dqprofile == DQPROFILE_ALL_MBS) { \
01042 if (v->dqbilevel) { \
01043 mquant = (get_bits1(gb)) ? v->altpq : v->pq; \
01044 } else { \
01045 mqdiff = get_bits(gb, 3); \
01046 if (mqdiff != 7) \
01047 mquant = v->pq + mqdiff; \
01048 else \
01049 mquant = get_bits(gb, 5); \
01050 } \
01051 } \
01052 if (v->dqprofile == DQPROFILE_SINGLE_EDGE) \
01053 edges = 1 << v->dqsbedge; \
01054 else if (v->dqprofile == DQPROFILE_DOUBLE_EDGES) \
01055 edges = (3 << v->dqsbedge) % 15; \
01056 else if (v->dqprofile == DQPROFILE_FOUR_EDGES) \
01057 edges = 15; \
01058 if ((edges&1) && !s->mb_x) \
01059 mquant = v->altpq; \
01060 if ((edges&2) && s->first_slice_line) \
01061 mquant = v->altpq; \
01062 if ((edges&4) && s->mb_x == (s->mb_width - 1)) \
01063 mquant = v->altpq; \
01064 if ((edges&8) && s->mb_y == (s->mb_height - 1)) \
01065 mquant = v->altpq; \
01066 }
01067
01075 #define GET_MVDATA(_dmv_x, _dmv_y) \
01076 index = 1 + get_vlc2(gb, ff_vc1_mv_diff_vlc[s->mv_table_index].table, \
01077 VC1_MV_DIFF_VLC_BITS, 2); \
01078 if (index > 36) { \
01079 mb_has_coeffs = 1; \
01080 index -= 37; \
01081 } else \
01082 mb_has_coeffs = 0; \
01083 s->mb_intra = 0; \
01084 if (!index) { \
01085 _dmv_x = _dmv_y = 0; \
01086 } else if (index == 35) { \
01087 _dmv_x = get_bits(gb, v->k_x - 1 + s->quarter_sample); \
01088 _dmv_y = get_bits(gb, v->k_y - 1 + s->quarter_sample); \
01089 } else if (index == 36) { \
01090 _dmv_x = 0; \
01091 _dmv_y = 0; \
01092 s->mb_intra = 1; \
01093 } else { \
01094 index1 = index % 6; \
01095 if (!s->quarter_sample && index1 == 5) val = 1; \
01096 else val = 0; \
01097 if (size_table[index1] - val > 0) \
01098 val = get_bits(gb, size_table[index1] - val); \
01099 else val = 0; \
01100 sign = 0 - (val&1); \
01101 _dmv_x = (sign ^ ((val>>1) + offset_table[index1])) - sign; \
01102 \
01103 index1 = index / 6; \
01104 if (!s->quarter_sample && index1 == 5) val = 1; \
01105 else val = 0; \
01106 if (size_table[index1] - val > 0) \
01107 val = get_bits(gb, size_table[index1] - val); \
01108 else val = 0; \
01109 sign = 0 - (val & 1); \
01110 _dmv_y = (sign ^ ((val >> 1) + offset_table[index1])) - sign; \
01111 }
01112
01113 static av_always_inline void get_mvdata_interlaced(VC1Context *v, int *dmv_x,
01114 int *dmv_y, int *pred_flag)
01115 {
01116 int index, index1;
01117 int extend_x = 0, extend_y = 0;
01118 GetBitContext *gb = &v->s.gb;
01119 int bits, esc;
01120 int val, sign;
01121 const int* offs_tab;
01122
01123 if (v->numref) {
01124 bits = VC1_2REF_MVDATA_VLC_BITS;
01125 esc = 125;
01126 } else {
01127 bits = VC1_1REF_MVDATA_VLC_BITS;
01128 esc = 71;
01129 }
01130 switch (v->dmvrange) {
01131 case 1:
01132 extend_x = 1;
01133 break;
01134 case 2:
01135 extend_y = 1;
01136 break;
01137 case 3:
01138 extend_x = extend_y = 1;
01139 break;
01140 }
01141 index = get_vlc2(gb, v->imv_vlc->table, bits, 3);
01142 if (index == esc) {
01143 *dmv_x = get_bits(gb, v->k_x);
01144 *dmv_y = get_bits(gb, v->k_y);
01145 if (v->numref) {
01146 *pred_flag = *dmv_y & 1;
01147 *dmv_y = (*dmv_y + *pred_flag) >> 1;
01148 }
01149 }
01150 else {
01151 if (extend_x)
01152 offs_tab = offset_table2;
01153 else
01154 offs_tab = offset_table1;
01155 index1 = (index + 1) % 9;
01156 if (index1 != 0) {
01157 val = get_bits(gb, index1 + extend_x);
01158 sign = 0 -(val & 1);
01159 *dmv_x = (sign ^ ((val >> 1) + offs_tab[index1])) - sign;
01160 } else
01161 *dmv_x = 0;
01162 if (extend_y)
01163 offs_tab = offset_table2;
01164 else
01165 offs_tab = offset_table1;
01166 index1 = (index + 1) / 9;
01167 if (index1 > v->numref) {
01168 val = get_bits(gb, (index1 + (extend_y << v->numref)) >> v->numref);
01169 sign = 0 - (val & 1);
01170 *dmv_y = (sign ^ ((val >> 1) + offs_tab[index1 >> v->numref])) - sign;
01171 } else
01172 *dmv_y = 0;
01173 if (v->numref)
01174 *pred_flag = index1 & 1;
01175 }
01176 }
01177
01178 static av_always_inline int scaleforsame_x(VC1Context *v, int n , int dir)
01179 {
01180 int scaledvalue, refdist;
01181 int scalesame1, scalesame2;
01182 int scalezone1_x, zone1offset_x;
01183 int table_index = dir ^ v->second_field;
01184
01185 if (v->s.pict_type != AV_PICTURE_TYPE_B)
01186 refdist = v->refdist;
01187 else
01188 refdist = dir ? v->brfd : v->frfd;
01189 if (refdist > 3)
01190 refdist = 3;
01191 scalesame1 = vc1_field_mvpred_scales[table_index][1][refdist];
01192 scalesame2 = vc1_field_mvpred_scales[table_index][2][refdist];
01193 scalezone1_x = vc1_field_mvpred_scales[table_index][3][refdist];
01194 zone1offset_x = vc1_field_mvpred_scales[table_index][5][refdist];
01195
01196 if (FFABS(n) > 255)
01197 scaledvalue = n;
01198 else {
01199 if (FFABS(n) < scalezone1_x)
01200 scaledvalue = (n * scalesame1) >> 8;
01201 else {
01202 if (n < 0)
01203 scaledvalue = ((n * scalesame2) >> 8) - zone1offset_x;
01204 else
01205 scaledvalue = ((n * scalesame2) >> 8) + zone1offset_x;
01206 }
01207 }
01208 return av_clip(scaledvalue, -v->range_x, v->range_x - 1);
01209 }
01210
01211 static av_always_inline int scaleforsame_y(VC1Context *v, int i, int n , int dir)
01212 {
01213 int scaledvalue, refdist;
01214 int scalesame1, scalesame2;
01215 int scalezone1_y, zone1offset_y;
01216 int table_index = dir ^ v->second_field;
01217
01218 if (v->s.pict_type != AV_PICTURE_TYPE_B)
01219 refdist = v->refdist;
01220 else
01221 refdist = dir ? v->brfd : v->frfd;
01222 if (refdist > 3)
01223 refdist = 3;
01224 scalesame1 = vc1_field_mvpred_scales[table_index][1][refdist];
01225 scalesame2 = vc1_field_mvpred_scales[table_index][2][refdist];
01226 scalezone1_y = vc1_field_mvpred_scales[table_index][4][refdist];
01227 zone1offset_y = vc1_field_mvpred_scales[table_index][6][refdist];
01228
01229 if (FFABS(n) > 63)
01230 scaledvalue = n;
01231 else {
01232 if (FFABS(n) < scalezone1_y)
01233 scaledvalue = (n * scalesame1) >> 8;
01234 else {
01235 if (n < 0)
01236 scaledvalue = ((n * scalesame2) >> 8) - zone1offset_y;
01237 else
01238 scaledvalue = ((n * scalesame2) >> 8) + zone1offset_y;
01239 }
01240 }
01241
01242 if (v->cur_field_type && !v->ref_field_type[dir])
01243 return av_clip(scaledvalue, -v->range_y / 2 + 1, v->range_y / 2);
01244 else
01245 return av_clip(scaledvalue, -v->range_y / 2, v->range_y / 2 - 1);
01246 }
01247
01248 static av_always_inline int scaleforopp_x(VC1Context *v, int n )
01249 {
01250 int scalezone1_x, zone1offset_x;
01251 int scaleopp1, scaleopp2, brfd;
01252 int scaledvalue;
01253
01254 brfd = FFMIN(v->brfd, 3);
01255 scalezone1_x = vc1_b_field_mvpred_scales[3][brfd];
01256 zone1offset_x = vc1_b_field_mvpred_scales[5][brfd];
01257 scaleopp1 = vc1_b_field_mvpred_scales[1][brfd];
01258 scaleopp2 = vc1_b_field_mvpred_scales[2][brfd];
01259
01260 if (FFABS(n) > 255)
01261 scaledvalue = n;
01262 else {
01263 if (FFABS(n) < scalezone1_x)
01264 scaledvalue = (n * scaleopp1) >> 8;
01265 else {
01266 if (n < 0)
01267 scaledvalue = ((n * scaleopp2) >> 8) - zone1offset_x;
01268 else
01269 scaledvalue = ((n * scaleopp2) >> 8) + zone1offset_x;
01270 }
01271 }
01272 return av_clip(scaledvalue, -v->range_x, v->range_x - 1);
01273 }
01274
01275 static av_always_inline int scaleforopp_y(VC1Context *v, int n , int dir)
01276 {
01277 int scalezone1_y, zone1offset_y;
01278 int scaleopp1, scaleopp2, brfd;
01279 int scaledvalue;
01280
01281 brfd = FFMIN(v->brfd, 3);
01282 scalezone1_y = vc1_b_field_mvpred_scales[4][brfd];
01283 zone1offset_y = vc1_b_field_mvpred_scales[6][brfd];
01284 scaleopp1 = vc1_b_field_mvpred_scales[1][brfd];
01285 scaleopp2 = vc1_b_field_mvpred_scales[2][brfd];
01286
01287 if (FFABS(n) > 63)
01288 scaledvalue = n;
01289 else {
01290 if (FFABS(n) < scalezone1_y)
01291 scaledvalue = (n * scaleopp1) >> 8;
01292 else {
01293 if (n < 0)
01294 scaledvalue = ((n * scaleopp2) >> 8) - zone1offset_y;
01295 else
01296 scaledvalue = ((n * scaleopp2) >> 8) + zone1offset_y;
01297 }
01298 }
01299 if (v->cur_field_type && !v->ref_field_type[dir]) {
01300 return av_clip(scaledvalue, -v->range_y / 2 + 1, v->range_y / 2);
01301 } else {
01302 return av_clip(scaledvalue, -v->range_y / 2, v->range_y / 2 - 1);
01303 }
01304 }
01305
01306 static av_always_inline int scaleforsame(VC1Context *v, int i, int n ,
01307 int dim, int dir)
01308 {
01309 int brfd, scalesame;
01310 int hpel = 1 - v->s.quarter_sample;
01311
01312 n >>= hpel;
01313 if (v->s.pict_type != AV_PICTURE_TYPE_B || v->second_field || !dir) {
01314 if (dim)
01315 n = scaleforsame_y(v, i, n, dir) << hpel;
01316 else
01317 n = scaleforsame_x(v, n, dir) << hpel;
01318 return n;
01319 }
01320 brfd = FFMIN(v->brfd, 3);
01321 scalesame = vc1_b_field_mvpred_scales[0][brfd];
01322
01323 n = (n * scalesame >> 8) << hpel;
01324 return n;
01325 }
01326
01327 static av_always_inline int scaleforopp(VC1Context *v, int n ,
01328 int dim, int dir)
01329 {
01330 int refdist, scaleopp;
01331 int hpel = 1 - v->s.quarter_sample;
01332
01333 n >>= hpel;
01334 if (v->s.pict_type == AV_PICTURE_TYPE_B && !v->second_field && dir == 1) {
01335 if (dim)
01336 n = scaleforopp_y(v, n, dir) << hpel;
01337 else
01338 n = scaleforopp_x(v, n) << hpel;
01339 return n;
01340 }
01341 if (v->s.pict_type != AV_PICTURE_TYPE_B)
01342 refdist = FFMIN(v->refdist, 3);
01343 else
01344 refdist = dir ? v->brfd : v->frfd;
01345 scaleopp = vc1_field_mvpred_scales[dir ^ v->second_field][0][refdist];
01346
01347 n = (n * scaleopp >> 8) << hpel;
01348 return n;
01349 }
01350
01353 static inline void vc1_pred_mv(VC1Context *v, int n, int dmv_x, int dmv_y,
01354 int mv1, int r_x, int r_y, uint8_t* is_intra,
01355 int pred_flag, int dir)
01356 {
01357 MpegEncContext *s = &v->s;
01358 int xy, wrap, off = 0;
01359 int16_t *A, *B, *C;
01360 int px, py;
01361 int sum;
01362 int mixedmv_pic, num_samefield = 0, num_oppfield = 0;
01363 int opposit, a_f, b_f, c_f;
01364 int16_t field_predA[2];
01365 int16_t field_predB[2];
01366 int16_t field_predC[2];
01367 int a_valid, b_valid, c_valid;
01368 int hybridmv_thresh, y_bias = 0;
01369
01370 if (v->mv_mode == MV_PMODE_MIXED_MV ||
01371 ((v->mv_mode == MV_PMODE_INTENSITY_COMP) && (v->mv_mode2 == MV_PMODE_MIXED_MV)))
01372 mixedmv_pic = 1;
01373 else
01374 mixedmv_pic = 0;
01375
01376 dmv_x <<= 1 - s->quarter_sample;
01377 dmv_y <<= 1 - s->quarter_sample;
01378
01379 wrap = s->b8_stride;
01380 xy = s->block_index[n];
01381
01382 if (s->mb_intra) {
01383 s->mv[0][n][0] = s->current_picture.f.motion_val[0][xy + v->blocks_off][0] = 0;
01384 s->mv[0][n][1] = s->current_picture.f.motion_val[0][xy + v->blocks_off][1] = 0;
01385 s->current_picture.f.motion_val[1][xy + v->blocks_off][0] = 0;
01386 s->current_picture.f.motion_val[1][xy + v->blocks_off][1] = 0;
01387 if (mv1) {
01388 s->current_picture.f.motion_val[0][xy + 1 + v->blocks_off][0] = 0;
01389 s->current_picture.f.motion_val[0][xy + 1 + v->blocks_off][1] = 0;
01390 s->current_picture.f.motion_val[0][xy + wrap + v->blocks_off][0] = 0;
01391 s->current_picture.f.motion_val[0][xy + wrap + v->blocks_off][1] = 0;
01392 s->current_picture.f.motion_val[0][xy + wrap + 1 + v->blocks_off][0] = 0;
01393 s->current_picture.f.motion_val[0][xy + wrap + 1 + v->blocks_off][1] = 0;
01394 v->luma_mv[s->mb_x][0] = v->luma_mv[s->mb_x][1] = 0;
01395 s->current_picture.f.motion_val[1][xy + 1 + v->blocks_off][0] = 0;
01396 s->current_picture.f.motion_val[1][xy + 1 + v->blocks_off][1] = 0;
01397 s->current_picture.f.motion_val[1][xy + wrap][0] = 0;
01398 s->current_picture.f.motion_val[1][xy + wrap + v->blocks_off][1] = 0;
01399 s->current_picture.f.motion_val[1][xy + wrap + 1 + v->blocks_off][0] = 0;
01400 s->current_picture.f.motion_val[1][xy + wrap + 1 + v->blocks_off][1] = 0;
01401 }
01402 return;
01403 }
01404
01405 C = s->current_picture.f.motion_val[dir][xy - 1 + v->blocks_off];
01406 A = s->current_picture.f.motion_val[dir][xy - wrap + v->blocks_off];
01407 if (mv1) {
01408 if (v->field_mode && mixedmv_pic)
01409 off = (s->mb_x == (s->mb_width - 1)) ? -2 : 2;
01410 else
01411 off = (s->mb_x == (s->mb_width - 1)) ? -1 : 2;
01412 } else {
01413
01414 switch (n) {
01415 case 0:
01416 off = (s->mb_x > 0) ? -1 : 1;
01417 break;
01418 case 1:
01419 off = (s->mb_x == (s->mb_width - 1)) ? -1 : 1;
01420 break;
01421 case 2:
01422 off = 1;
01423 break;
01424 case 3:
01425 off = -1;
01426 }
01427 }
01428 B = s->current_picture.f.motion_val[dir][xy - wrap + off + v->blocks_off];
01429
01430 a_valid = !s->first_slice_line || (n == 2 || n == 3);
01431 b_valid = a_valid && (s->mb_width > 1);
01432 c_valid = s->mb_x || (n == 1 || n == 3);
01433 if (v->field_mode) {
01434 a_valid = a_valid && !is_intra[xy - wrap];
01435 b_valid = b_valid && !is_intra[xy - wrap + off];
01436 c_valid = c_valid && !is_intra[xy - 1];
01437 }
01438
01439 if (a_valid) {
01440 a_f = v->mv_f[dir][xy - wrap + v->blocks_off];
01441 num_oppfield += a_f;
01442 num_samefield += 1 - a_f;
01443 field_predA[0] = A[0];
01444 field_predA[1] = A[1];
01445 } else {
01446 field_predA[0] = field_predA[1] = 0;
01447 a_f = 0;
01448 }
01449 if (b_valid) {
01450 b_f = v->mv_f[dir][xy - wrap + off + v->blocks_off];
01451 num_oppfield += b_f;
01452 num_samefield += 1 - b_f;
01453 field_predB[0] = B[0];
01454 field_predB[1] = B[1];
01455 } else {
01456 field_predB[0] = field_predB[1] = 0;
01457 b_f = 0;
01458 }
01459 if (c_valid) {
01460 c_f = v->mv_f[dir][xy - 1 + v->blocks_off];
01461 num_oppfield += c_f;
01462 num_samefield += 1 - c_f;
01463 field_predC[0] = C[0];
01464 field_predC[1] = C[1];
01465 } else {
01466 field_predC[0] = field_predC[1] = 0;
01467 c_f = 0;
01468 }
01469
01470 if (v->field_mode) {
01471 if (num_samefield <= num_oppfield)
01472 opposit = 1 - pred_flag;
01473 else
01474 opposit = pred_flag;
01475 } else
01476 opposit = 0;
01477 if (opposit) {
01478 if (a_valid && !a_f) {
01479 field_predA[0] = scaleforopp(v, field_predA[0], 0, dir);
01480 field_predA[1] = scaleforopp(v, field_predA[1], 1, dir);
01481 }
01482 if (b_valid && !b_f) {
01483 field_predB[0] = scaleforopp(v, field_predB[0], 0, dir);
01484 field_predB[1] = scaleforopp(v, field_predB[1], 1, dir);
01485 }
01486 if (c_valid && !c_f) {
01487 field_predC[0] = scaleforopp(v, field_predC[0], 0, dir);
01488 field_predC[1] = scaleforopp(v, field_predC[1], 1, dir);
01489 }
01490 v->mv_f[dir][xy + v->blocks_off] = 1;
01491 v->ref_field_type[dir] = !v->cur_field_type;
01492 } else {
01493 if (a_valid && a_f) {
01494 field_predA[0] = scaleforsame(v, n, field_predA[0], 0, dir);
01495 field_predA[1] = scaleforsame(v, n, field_predA[1], 1, dir);
01496 }
01497 if (b_valid && b_f) {
01498 field_predB[0] = scaleforsame(v, n, field_predB[0], 0, dir);
01499 field_predB[1] = scaleforsame(v, n, field_predB[1], 1, dir);
01500 }
01501 if (c_valid && c_f) {
01502 field_predC[0] = scaleforsame(v, n, field_predC[0], 0, dir);
01503 field_predC[1] = scaleforsame(v, n, field_predC[1], 1, dir);
01504 }
01505 v->mv_f[dir][xy + v->blocks_off] = 0;
01506 v->ref_field_type[dir] = v->cur_field_type;
01507 }
01508
01509 if (a_valid) {
01510 px = field_predA[0];
01511 py = field_predA[1];
01512 } else if (c_valid) {
01513 px = field_predC[0];
01514 py = field_predC[1];
01515 } else if (b_valid) {
01516 px = field_predB[0];
01517 py = field_predB[1];
01518 } else {
01519 px = 0;
01520 py = 0;
01521 }
01522
01523 if (num_samefield + num_oppfield > 1) {
01524 px = mid_pred(field_predA[0], field_predB[0], field_predC[0]);
01525 py = mid_pred(field_predA[1], field_predB[1], field_predC[1]);
01526 }
01527
01528
01529 if (!v->field_mode) {
01530 int qx, qy, X, Y;
01531 qx = (s->mb_x << 6) + ((n == 1 || n == 3) ? 32 : 0);
01532 qy = (s->mb_y << 6) + ((n == 2 || n == 3) ? 32 : 0);
01533 X = (s->mb_width << 6) - 4;
01534 Y = (s->mb_height << 6) - 4;
01535 if (mv1) {
01536 if (qx + px < -60) px = -60 - qx;
01537 if (qy + py < -60) py = -60 - qy;
01538 } else {
01539 if (qx + px < -28) px = -28 - qx;
01540 if (qy + py < -28) py = -28 - qy;
01541 }
01542 if (qx + px > X) px = X - qx;
01543 if (qy + py > Y) py = Y - qy;
01544 }
01545
01546 if (!v->field_mode || s->pict_type != AV_PICTURE_TYPE_B) {
01547
01548 hybridmv_thresh = 32;
01549 if (a_valid && c_valid) {
01550 if (is_intra[xy - wrap])
01551 sum = FFABS(px) + FFABS(py);
01552 else
01553 sum = FFABS(px - field_predA[0]) + FFABS(py - field_predA[1]);
01554 if (sum > hybridmv_thresh) {
01555 if (get_bits1(&s->gb)) {
01556 px = field_predA[0];
01557 py = field_predA[1];
01558 } else {
01559 px = field_predC[0];
01560 py = field_predC[1];
01561 }
01562 } else {
01563 if (is_intra[xy - 1])
01564 sum = FFABS(px) + FFABS(py);
01565 else
01566 sum = FFABS(px - field_predC[0]) + FFABS(py - field_predC[1]);
01567 if (sum > hybridmv_thresh) {
01568 if (get_bits1(&s->gb)) {
01569 px = field_predA[0];
01570 py = field_predA[1];
01571 } else {
01572 px = field_predC[0];
01573 py = field_predC[1];
01574 }
01575 }
01576 }
01577 }
01578 }
01579
01580 if (v->field_mode && !s->quarter_sample) {
01581 r_x <<= 1;
01582 r_y <<= 1;
01583 }
01584 if (v->field_mode && v->numref)
01585 r_y >>= 1;
01586 if (v->field_mode && v->cur_field_type && v->ref_field_type[dir] == 0)
01587 y_bias = 1;
01588
01589 s->mv[dir][n][0] = s->current_picture.f.motion_val[dir][xy + v->blocks_off][0] = ((px + dmv_x + r_x) & ((r_x << 1) - 1)) - r_x;
01590 s->mv[dir][n][1] = s->current_picture.f.motion_val[dir][xy + v->blocks_off][1] = ((py + dmv_y + r_y - y_bias) & ((r_y << 1) - 1)) - r_y + y_bias;
01591 if (mv1) {
01592 s->current_picture.f.motion_val[dir][xy + 1 + v->blocks_off][0] = s->current_picture.f.motion_val[dir][xy + v->blocks_off][0];
01593 s->current_picture.f.motion_val[dir][xy + 1 + v->blocks_off][1] = s->current_picture.f.motion_val[dir][xy + v->blocks_off][1];
01594 s->current_picture.f.motion_val[dir][xy + wrap + v->blocks_off][0] = s->current_picture.f.motion_val[dir][xy + v->blocks_off][0];
01595 s->current_picture.f.motion_val[dir][xy + wrap + v->blocks_off][1] = s->current_picture.f.motion_val[dir][xy + v->blocks_off][1];
01596 s->current_picture.f.motion_val[dir][xy + wrap + 1 + v->blocks_off][0] = s->current_picture.f.motion_val[dir][xy + v->blocks_off][0];
01597 s->current_picture.f.motion_val[dir][xy + wrap + 1 + v->blocks_off][1] = s->current_picture.f.motion_val[dir][xy + v->blocks_off][1];
01598 v->mv_f[dir][xy + 1 + v->blocks_off] = v->mv_f[dir][xy + v->blocks_off];
01599 v->mv_f[dir][xy + wrap + v->blocks_off] = v->mv_f[dir][xy + wrap + 1 + v->blocks_off] = v->mv_f[dir][xy + v->blocks_off];
01600 }
01601 }
01602
01605 static inline void vc1_pred_mv_intfr(VC1Context *v, int n, int dmv_x, int dmv_y,
01606 int mvn, int r_x, int r_y, uint8_t* is_intra)
01607 {
01608 MpegEncContext *s = &v->s;
01609 int xy, wrap, off = 0;
01610 int A[2], B[2], C[2];
01611 int px, py;
01612 int a_valid = 0, b_valid = 0, c_valid = 0;
01613 int field_a, field_b, field_c;
01614 int total_valid, num_samefield, num_oppfield;
01615 int pos_c, pos_b, n_adj;
01616
01617 wrap = s->b8_stride;
01618 xy = s->block_index[n];
01619
01620 if (s->mb_intra) {
01621 s->mv[0][n][0] = s->current_picture.f.motion_val[0][xy][0] = 0;
01622 s->mv[0][n][1] = s->current_picture.f.motion_val[0][xy][1] = 0;
01623 s->current_picture.f.motion_val[1][xy][0] = 0;
01624 s->current_picture.f.motion_val[1][xy][1] = 0;
01625 if (mvn == 1) {
01626 s->current_picture.f.motion_val[0][xy + 1][0] = 0;
01627 s->current_picture.f.motion_val[0][xy + 1][1] = 0;
01628 s->current_picture.f.motion_val[0][xy + wrap][0] = 0;
01629 s->current_picture.f.motion_val[0][xy + wrap][1] = 0;
01630 s->current_picture.f.motion_val[0][xy + wrap + 1][0] = 0;
01631 s->current_picture.f.motion_val[0][xy + wrap + 1][1] = 0;
01632 v->luma_mv[s->mb_x][0] = v->luma_mv[s->mb_x][1] = 0;
01633 s->current_picture.f.motion_val[1][xy + 1][0] = 0;
01634 s->current_picture.f.motion_val[1][xy + 1][1] = 0;
01635 s->current_picture.f.motion_val[1][xy + wrap][0] = 0;
01636 s->current_picture.f.motion_val[1][xy + wrap][1] = 0;
01637 s->current_picture.f.motion_val[1][xy + wrap + 1][0] = 0;
01638 s->current_picture.f.motion_val[1][xy + wrap + 1][1] = 0;
01639 }
01640 return;
01641 }
01642
01643 off = ((n == 0) || (n == 1)) ? 1 : -1;
01644
01645 if (s->mb_x || (n == 1) || (n == 3)) {
01646 if ((v->blk_mv_type[xy])
01647 || (!v->blk_mv_type[xy] && !v->blk_mv_type[xy - 1])) {
01648 A[0] = s->current_picture.f.motion_val[0][xy - 1][0];
01649 A[1] = s->current_picture.f.motion_val[0][xy - 1][1];
01650 a_valid = 1;
01651 } else {
01652 A[0] = (s->current_picture.f.motion_val[0][xy - 1][0]
01653 + s->current_picture.f.motion_val[0][xy - 1 + off * wrap][0] + 1) >> 1;
01654 A[1] = (s->current_picture.f.motion_val[0][xy - 1][1]
01655 + s->current_picture.f.motion_val[0][xy - 1 + off * wrap][1] + 1) >> 1;
01656 a_valid = 1;
01657 }
01658 if (!(n & 1) && v->is_intra[s->mb_x - 1]) {
01659 a_valid = 0;
01660 A[0] = A[1] = 0;
01661 }
01662 } else
01663 A[0] = A[1] = 0;
01664
01665 B[0] = B[1] = C[0] = C[1] = 0;
01666 if (n == 0 || n == 1 || v->blk_mv_type[xy]) {
01667 if (!s->first_slice_line) {
01668 if (!v->is_intra[s->mb_x - s->mb_stride]) {
01669 b_valid = 1;
01670 n_adj = n | 2;
01671 pos_b = s->block_index[n_adj] - 2 * wrap;
01672 if (v->blk_mv_type[pos_b] && v->blk_mv_type[xy]) {
01673 n_adj = (n & 2) | (n & 1);
01674 }
01675 B[0] = s->current_picture.f.motion_val[0][s->block_index[n_adj] - 2 * wrap][0];
01676 B[1] = s->current_picture.f.motion_val[0][s->block_index[n_adj] - 2 * wrap][1];
01677 if (v->blk_mv_type[pos_b] && !v->blk_mv_type[xy]) {
01678 B[0] = (B[0] + s->current_picture.f.motion_val[0][s->block_index[n_adj ^ 2] - 2 * wrap][0] + 1) >> 1;
01679 B[1] = (B[1] + s->current_picture.f.motion_val[0][s->block_index[n_adj ^ 2] - 2 * wrap][1] + 1) >> 1;
01680 }
01681 }
01682 if (s->mb_width > 1) {
01683 if (!v->is_intra[s->mb_x - s->mb_stride + 1]) {
01684 c_valid = 1;
01685 n_adj = 2;
01686 pos_c = s->block_index[2] - 2 * wrap + 2;
01687 if (v->blk_mv_type[pos_c] && v->blk_mv_type[xy]) {
01688 n_adj = n & 2;
01689 }
01690 C[0] = s->current_picture.f.motion_val[0][s->block_index[n_adj] - 2 * wrap + 2][0];
01691 C[1] = s->current_picture.f.motion_val[0][s->block_index[n_adj] - 2 * wrap + 2][1];
01692 if (v->blk_mv_type[pos_c] && !v->blk_mv_type[xy]) {
01693 C[0] = (1 + C[0] + (s->current_picture.f.motion_val[0][s->block_index[n_adj ^ 2] - 2 * wrap + 2][0])) >> 1;
01694 C[1] = (1 + C[1] + (s->current_picture.f.motion_val[0][s->block_index[n_adj ^ 2] - 2 * wrap + 2][1])) >> 1;
01695 }
01696 if (s->mb_x == s->mb_width - 1) {
01697 if (!v->is_intra[s->mb_x - s->mb_stride - 1]) {
01698 c_valid = 1;
01699 n_adj = 3;
01700 pos_c = s->block_index[3] - 2 * wrap - 2;
01701 if (v->blk_mv_type[pos_c] && v->blk_mv_type[xy]) {
01702 n_adj = n | 1;
01703 }
01704 C[0] = s->current_picture.f.motion_val[0][s->block_index[n_adj] - 2 * wrap - 2][0];
01705 C[1] = s->current_picture.f.motion_val[0][s->block_index[n_adj] - 2 * wrap - 2][1];
01706 if (v->blk_mv_type[pos_c] && !v->blk_mv_type[xy]) {
01707 C[0] = (1 + C[0] + s->current_picture.f.motion_val[0][s->block_index[1] - 2 * wrap - 2][0]) >> 1;
01708 C[1] = (1 + C[1] + s->current_picture.f.motion_val[0][s->block_index[1] - 2 * wrap - 2][1]) >> 1;
01709 }
01710 } else
01711 c_valid = 0;
01712 }
01713 }
01714 }
01715 }
01716 } else {
01717 pos_b = s->block_index[1];
01718 b_valid = 1;
01719 B[0] = s->current_picture.f.motion_val[0][pos_b][0];
01720 B[1] = s->current_picture.f.motion_val[0][pos_b][1];
01721 pos_c = s->block_index[0];
01722 c_valid = 1;
01723 C[0] = s->current_picture.f.motion_val[0][pos_c][0];
01724 C[1] = s->current_picture.f.motion_val[0][pos_c][1];
01725 }
01726
01727 total_valid = a_valid + b_valid + c_valid;
01728
01729 if (!s->mb_x && !(n == 1 || n == 3)) {
01730 A[0] = A[1] = 0;
01731 }
01732
01733 if ((s->first_slice_line && v->blk_mv_type[xy]) || (s->first_slice_line && !(n & 2))) {
01734 B[0] = B[1] = C[0] = C[1] = 0;
01735 }
01736 if (!v->blk_mv_type[xy]) {
01737 if (s->mb_width == 1) {
01738 px = B[0];
01739 py = B[1];
01740 } else {
01741 if (total_valid >= 2) {
01742 px = mid_pred(A[0], B[0], C[0]);
01743 py = mid_pred(A[1], B[1], C[1]);
01744 } else if (total_valid) {
01745 if (a_valid) { px = A[0]; py = A[1]; }
01746 if (b_valid) { px = B[0]; py = B[1]; }
01747 if (c_valid) { px = C[0]; py = C[1]; }
01748 } else
01749 px = py = 0;
01750 }
01751 } else {
01752 if (a_valid)
01753 field_a = (A[1] & 4) ? 1 : 0;
01754 else
01755 field_a = 0;
01756 if (b_valid)
01757 field_b = (B[1] & 4) ? 1 : 0;
01758 else
01759 field_b = 0;
01760 if (c_valid)
01761 field_c = (C[1] & 4) ? 1 : 0;
01762 else
01763 field_c = 0;
01764
01765 num_oppfield = field_a + field_b + field_c;
01766 num_samefield = total_valid - num_oppfield;
01767 if (total_valid == 3) {
01768 if ((num_samefield == 3) || (num_oppfield == 3)) {
01769 px = mid_pred(A[0], B[0], C[0]);
01770 py = mid_pred(A[1], B[1], C[1]);
01771 } else if (num_samefield >= num_oppfield) {
01772
01773
01774 px = !field_a ? A[0] : B[0];
01775 py = !field_a ? A[1] : B[1];
01776 } else {
01777 px = field_a ? A[0] : B[0];
01778 py = field_a ? A[1] : B[1];
01779 }
01780 } else if (total_valid == 2) {
01781 if (num_samefield >= num_oppfield) {
01782 if (!field_a && a_valid) {
01783 px = A[0];
01784 py = A[1];
01785 } else if (!field_b && b_valid) {
01786 px = B[0];
01787 py = B[1];
01788 } else if (c_valid) {
01789 px = C[0];
01790 py = C[1];
01791 } else px = py = 0;
01792 } else {
01793 if (field_a && a_valid) {
01794 px = A[0];
01795 py = A[1];
01796 } else if (field_b && b_valid) {
01797 px = B[0];
01798 py = B[1];
01799 } else if (c_valid) {
01800 px = C[0];
01801 py = C[1];
01802 }
01803 }
01804 } else if (total_valid == 1) {
01805 px = (a_valid) ? A[0] : ((b_valid) ? B[0] : C[0]);
01806 py = (a_valid) ? A[1] : ((b_valid) ? B[1] : C[1]);
01807 } else
01808 px = py = 0;
01809 }
01810
01811
01812 s->mv[0][n][0] = s->current_picture.f.motion_val[0][xy][0] = ((px + dmv_x + r_x) & ((r_x << 1) - 1)) - r_x;
01813 s->mv[0][n][1] = s->current_picture.f.motion_val[0][xy][1] = ((py + dmv_y + r_y) & ((r_y << 1) - 1)) - r_y;
01814 if (mvn == 1) {
01815 s->current_picture.f.motion_val[0][xy + 1 ][0] = s->current_picture.f.motion_val[0][xy][0];
01816 s->current_picture.f.motion_val[0][xy + 1 ][1] = s->current_picture.f.motion_val[0][xy][1];
01817 s->current_picture.f.motion_val[0][xy + wrap ][0] = s->current_picture.f.motion_val[0][xy][0];
01818 s->current_picture.f.motion_val[0][xy + wrap ][1] = s->current_picture.f.motion_val[0][xy][1];
01819 s->current_picture.f.motion_val[0][xy + wrap + 1][0] = s->current_picture.f.motion_val[0][xy][0];
01820 s->current_picture.f.motion_val[0][xy + wrap + 1][1] = s->current_picture.f.motion_val[0][xy][1];
01821 } else if (mvn == 2) {
01822 s->current_picture.f.motion_val[0][xy + 1][0] = s->current_picture.f.motion_val[0][xy][0];
01823 s->current_picture.f.motion_val[0][xy + 1][1] = s->current_picture.f.motion_val[0][xy][1];
01824 s->mv[0][n + 1][0] = s->mv[0][n][0];
01825 s->mv[0][n + 1][1] = s->mv[0][n][1];
01826 }
01827 }
01828
01831 static void vc1_interp_mc(VC1Context *v)
01832 {
01833 MpegEncContext *s = &v->s;
01834 DSPContext *dsp = &v->s.dsp;
01835 uint8_t *srcY, *srcU, *srcV;
01836 int dxy, mx, my, uvmx, uvmy, src_x, src_y, uvsrc_x, uvsrc_y;
01837 int off, off_uv;
01838 int v_edge_pos = s->v_edge_pos >> v->field_mode;
01839
01840 if (!v->field_mode && !v->s.next_picture.f.data[0])
01841 return;
01842
01843 mx = s->mv[1][0][0];
01844 my = s->mv[1][0][1];
01845 uvmx = (mx + ((mx & 3) == 3)) >> 1;
01846 uvmy = (my + ((my & 3) == 3)) >> 1;
01847 if (v->field_mode) {
01848 if (v->cur_field_type != v->ref_field_type[1])
01849 my = my - 2 + 4 * v->cur_field_type;
01850 uvmy = uvmy - 2 + 4 * v->cur_field_type;
01851 }
01852 if (v->fastuvmc) {
01853 uvmx = uvmx + ((uvmx < 0) ? -(uvmx & 1) : (uvmx & 1));
01854 uvmy = uvmy + ((uvmy < 0) ? -(uvmy & 1) : (uvmy & 1));
01855 }
01856 srcY = s->next_picture.f.data[0];
01857 srcU = s->next_picture.f.data[1];
01858 srcV = s->next_picture.f.data[2];
01859
01860 src_x = s->mb_x * 16 + (mx >> 2);
01861 src_y = s->mb_y * 16 + (my >> 2);
01862 uvsrc_x = s->mb_x * 8 + (uvmx >> 2);
01863 uvsrc_y = s->mb_y * 8 + (uvmy >> 2);
01864
01865 if (v->profile != PROFILE_ADVANCED) {
01866 src_x = av_clip( src_x, -16, s->mb_width * 16);
01867 src_y = av_clip( src_y, -16, s->mb_height * 16);
01868 uvsrc_x = av_clip(uvsrc_x, -8, s->mb_width * 8);
01869 uvsrc_y = av_clip(uvsrc_y, -8, s->mb_height * 8);
01870 } else {
01871 src_x = av_clip( src_x, -17, s->avctx->coded_width);
01872 src_y = av_clip( src_y, -18, s->avctx->coded_height + 1);
01873 uvsrc_x = av_clip(uvsrc_x, -8, s->avctx->coded_width >> 1);
01874 uvsrc_y = av_clip(uvsrc_y, -8, s->avctx->coded_height >> 1);
01875 }
01876
01877 srcY += src_y * s->linesize + src_x;
01878 srcU += uvsrc_y * s->uvlinesize + uvsrc_x;
01879 srcV += uvsrc_y * s->uvlinesize + uvsrc_x;
01880
01881 if (v->field_mode && v->ref_field_type[1]) {
01882 srcY += s->current_picture_ptr->f.linesize[0];
01883 srcU += s->current_picture_ptr->f.linesize[1];
01884 srcV += s->current_picture_ptr->f.linesize[2];
01885 }
01886
01887
01888 if (s->flags & CODEC_FLAG_GRAY) {
01889 srcU = s->edge_emu_buffer + 18 * s->linesize;
01890 srcV = s->edge_emu_buffer + 18 * s->linesize;
01891 }
01892
01893 if (v->rangeredfrm || s->h_edge_pos < 22 || v_edge_pos < 22
01894 || (unsigned)(src_x - s->mspel) > s->h_edge_pos - (mx & 3) - 16 - s->mspel * 3
01895 || (unsigned)(src_y - s->mspel) > v_edge_pos - (my & 3) - 16 - s->mspel * 3) {
01896 uint8_t *uvbuf = s->edge_emu_buffer + 19 * s->linesize;
01897
01898 srcY -= s->mspel * (1 + s->linesize);
01899 s->dsp.emulated_edge_mc(s->edge_emu_buffer, srcY, s->linesize,
01900 17 + s->mspel * 2, 17 + s->mspel * 2,
01901 src_x - s->mspel, src_y - s->mspel,
01902 s->h_edge_pos, v_edge_pos);
01903 srcY = s->edge_emu_buffer;
01904 s->dsp.emulated_edge_mc(uvbuf , srcU, s->uvlinesize, 8 + 1, 8 + 1,
01905 uvsrc_x, uvsrc_y, s->h_edge_pos >> 1, v_edge_pos >> 1);
01906 s->dsp.emulated_edge_mc(uvbuf + 16, srcV, s->uvlinesize, 8 + 1, 8 + 1,
01907 uvsrc_x, uvsrc_y, s->h_edge_pos >> 1, v_edge_pos >> 1);
01908 srcU = uvbuf;
01909 srcV = uvbuf + 16;
01910
01911 if (v->rangeredfrm) {
01912 int i, j;
01913 uint8_t *src, *src2;
01914
01915 src = srcY;
01916 for (j = 0; j < 17 + s->mspel * 2; j++) {
01917 for (i = 0; i < 17 + s->mspel * 2; i++)
01918 src[i] = ((src[i] - 128) >> 1) + 128;
01919 src += s->linesize;
01920 }
01921 src = srcU;
01922 src2 = srcV;
01923 for (j = 0; j < 9; j++) {
01924 for (i = 0; i < 9; i++) {
01925 src[i] = ((src[i] - 128) >> 1) + 128;
01926 src2[i] = ((src2[i] - 128) >> 1) + 128;
01927 }
01928 src += s->uvlinesize;
01929 src2 += s->uvlinesize;
01930 }
01931 }
01932 srcY += s->mspel * (1 + s->linesize);
01933 }
01934
01935 if (v->field_mode && v->cur_field_type) {
01936 off = s->current_picture_ptr->f.linesize[0];
01937 off_uv = s->current_picture_ptr->f.linesize[1];
01938 } else {
01939 off = 0;
01940 off_uv = 0;
01941 }
01942
01943 if (s->mspel) {
01944 dxy = ((my & 3) << 2) | (mx & 3);
01945 v->vc1dsp.avg_vc1_mspel_pixels_tab[dxy](s->dest[0] + off , srcY , s->linesize, v->rnd);
01946 v->vc1dsp.avg_vc1_mspel_pixels_tab[dxy](s->dest[0] + off + 8, srcY + 8, s->linesize, v->rnd);
01947 srcY += s->linesize * 8;
01948 v->vc1dsp.avg_vc1_mspel_pixels_tab[dxy](s->dest[0] + off + 8 * s->linesize , srcY , s->linesize, v->rnd);
01949 v->vc1dsp.avg_vc1_mspel_pixels_tab[dxy](s->dest[0] + off + 8 * s->linesize + 8, srcY + 8, s->linesize, v->rnd);
01950 } else {
01951 dxy = (my & 2) | ((mx & 2) >> 1);
01952
01953 if (!v->rnd)
01954 dsp->avg_pixels_tab[0][dxy](s->dest[0] + off, srcY, s->linesize, 16);
01955 else
01956 dsp->avg_no_rnd_pixels_tab[0][dxy](s->dest[0] + off, srcY, s->linesize, 16);
01957 }
01958
01959 if (s->flags & CODEC_FLAG_GRAY) return;
01960
01961 uvmx = (uvmx & 3) << 1;
01962 uvmy = (uvmy & 3) << 1;
01963 if (!v->rnd) {
01964 dsp->avg_h264_chroma_pixels_tab[0](s->dest[1] + off_uv, srcU, s->uvlinesize, 8, uvmx, uvmy);
01965 dsp->avg_h264_chroma_pixels_tab[0](s->dest[2] + off_uv, srcV, s->uvlinesize, 8, uvmx, uvmy);
01966 } else {
01967 v->vc1dsp.avg_no_rnd_vc1_chroma_pixels_tab[0](s->dest[1] + off_uv, srcU, s->uvlinesize, 8, uvmx, uvmy);
01968 v->vc1dsp.avg_no_rnd_vc1_chroma_pixels_tab[0](s->dest[2] + off_uv, srcV, s->uvlinesize, 8, uvmx, uvmy);
01969 }
01970 }
01971
01972 static av_always_inline int scale_mv(int value, int bfrac, int inv, int qs)
01973 {
01974 int n = bfrac;
01975
01976 #if B_FRACTION_DEN==256
01977 if (inv)
01978 n -= 256;
01979 if (!qs)
01980 return 2 * ((value * n + 255) >> 9);
01981 return (value * n + 128) >> 8;
01982 #else
01983 if (inv)
01984 n -= B_FRACTION_DEN;
01985 if (!qs)
01986 return 2 * ((value * n + B_FRACTION_DEN - 1) / (2 * B_FRACTION_DEN));
01987 return (value * n + B_FRACTION_DEN/2) / B_FRACTION_DEN;
01988 #endif
01989 }
01990
01991 static av_always_inline int scale_mv_intfi(int value, int bfrac, int inv,
01992 int qs, int qs_last)
01993 {
01994 int n = bfrac;
01995
01996 if (inv)
01997 n -= 256;
01998 n <<= !qs_last;
01999 if (!qs)
02000 return (value * n + 255) >> 9;
02001 else
02002 return (value * n + 128) >> 8;
02003 }
02004
02007 static inline void vc1_b_mc(VC1Context *v, int dmv_x[2], int dmv_y[2],
02008 int direct, int mode)
02009 {
02010 if (v->use_ic) {
02011 v->mv_mode2 = v->mv_mode;
02012 v->mv_mode = MV_PMODE_INTENSITY_COMP;
02013 }
02014 if (direct) {
02015 vc1_mc_1mv(v, 0);
02016 vc1_interp_mc(v);
02017 if (v->use_ic)
02018 v->mv_mode = v->mv_mode2;
02019 return;
02020 }
02021 if (mode == BMV_TYPE_INTERPOLATED) {
02022 vc1_mc_1mv(v, 0);
02023 vc1_interp_mc(v);
02024 if (v->use_ic)
02025 v->mv_mode = v->mv_mode2;
02026 return;
02027 }
02028
02029 if (v->use_ic && (mode == BMV_TYPE_BACKWARD))
02030 v->mv_mode = v->mv_mode2;
02031 vc1_mc_1mv(v, (mode == BMV_TYPE_BACKWARD));
02032 if (v->use_ic)
02033 v->mv_mode = v->mv_mode2;
02034 }
02035
02036 static inline void vc1_pred_b_mv(VC1Context *v, int dmv_x[2], int dmv_y[2],
02037 int direct, int mvtype)
02038 {
02039 MpegEncContext *s = &v->s;
02040 int xy, wrap, off = 0;
02041 int16_t *A, *B, *C;
02042 int px, py;
02043 int sum;
02044 int r_x, r_y;
02045 const uint8_t *is_intra = v->mb_type[0];
02046
02047 r_x = v->range_x;
02048 r_y = v->range_y;
02049
02050 dmv_x[0] <<= 1 - s->quarter_sample;
02051 dmv_y[0] <<= 1 - s->quarter_sample;
02052 dmv_x[1] <<= 1 - s->quarter_sample;
02053 dmv_y[1] <<= 1 - s->quarter_sample;
02054
02055 wrap = s->b8_stride;
02056 xy = s->block_index[0];
02057
02058 if (s->mb_intra) {
02059 s->current_picture.f.motion_val[0][xy + v->blocks_off][0] =
02060 s->current_picture.f.motion_val[0][xy + v->blocks_off][1] =
02061 s->current_picture.f.motion_val[1][xy + v->blocks_off][0] =
02062 s->current_picture.f.motion_val[1][xy + v->blocks_off][1] = 0;
02063 return;
02064 }
02065 if (!v->field_mode) {
02066 s->mv[0][0][0] = scale_mv(s->next_picture.f.motion_val[1][xy][0], v->bfraction, 0, s->quarter_sample);
02067 s->mv[0][0][1] = scale_mv(s->next_picture.f.motion_val[1][xy][1], v->bfraction, 0, s->quarter_sample);
02068 s->mv[1][0][0] = scale_mv(s->next_picture.f.motion_val[1][xy][0], v->bfraction, 1, s->quarter_sample);
02069 s->mv[1][0][1] = scale_mv(s->next_picture.f.motion_val[1][xy][1], v->bfraction, 1, s->quarter_sample);
02070
02071
02072 s->mv[0][0][0] = av_clip(s->mv[0][0][0], -60 - (s->mb_x << 6), (s->mb_width << 6) - 4 - (s->mb_x << 6));
02073 s->mv[0][0][1] = av_clip(s->mv[0][0][1], -60 - (s->mb_y << 6), (s->mb_height << 6) - 4 - (s->mb_y << 6));
02074 s->mv[1][0][0] = av_clip(s->mv[1][0][0], -60 - (s->mb_x << 6), (s->mb_width << 6) - 4 - (s->mb_x << 6));
02075 s->mv[1][0][1] = av_clip(s->mv[1][0][1], -60 - (s->mb_y << 6), (s->mb_height << 6) - 4 - (s->mb_y << 6));
02076 }
02077 if (direct) {
02078 s->current_picture.f.motion_val[0][xy + v->blocks_off][0] = s->mv[0][0][0];
02079 s->current_picture.f.motion_val[0][xy + v->blocks_off][1] = s->mv[0][0][1];
02080 s->current_picture.f.motion_val[1][xy + v->blocks_off][0] = s->mv[1][0][0];
02081 s->current_picture.f.motion_val[1][xy + v->blocks_off][1] = s->mv[1][0][1];
02082 return;
02083 }
02084
02085 if ((mvtype == BMV_TYPE_FORWARD) || (mvtype == BMV_TYPE_INTERPOLATED)) {
02086 C = s->current_picture.f.motion_val[0][xy - 2];
02087 A = s->current_picture.f.motion_val[0][xy - wrap * 2];
02088 off = (s->mb_x == (s->mb_width - 1)) ? -2 : 2;
02089 B = s->current_picture.f.motion_val[0][xy - wrap * 2 + off];
02090
02091 if (!s->mb_x) C[0] = C[1] = 0;
02092 if (!s->first_slice_line) {
02093 if (s->mb_width == 1) {
02094 px = A[0];
02095 py = A[1];
02096 } else {
02097 px = mid_pred(A[0], B[0], C[0]);
02098 py = mid_pred(A[1], B[1], C[1]);
02099 }
02100 } else if (s->mb_x) {
02101 px = C[0];
02102 py = C[1];
02103 } else {
02104 px = py = 0;
02105 }
02106
02107 {
02108 int qx, qy, X, Y;
02109 if (v->profile < PROFILE_ADVANCED) {
02110 qx = (s->mb_x << 5);
02111 qy = (s->mb_y << 5);
02112 X = (s->mb_width << 5) - 4;
02113 Y = (s->mb_height << 5) - 4;
02114 if (qx + px < -28) px = -28 - qx;
02115 if (qy + py < -28) py = -28 - qy;
02116 if (qx + px > X) px = X - qx;
02117 if (qy + py > Y) py = Y - qy;
02118 } else {
02119 qx = (s->mb_x << 6);
02120 qy = (s->mb_y << 6);
02121 X = (s->mb_width << 6) - 4;
02122 Y = (s->mb_height << 6) - 4;
02123 if (qx + px < -60) px = -60 - qx;
02124 if (qy + py < -60) py = -60 - qy;
02125 if (qx + px > X) px = X - qx;
02126 if (qy + py > Y) py = Y - qy;
02127 }
02128 }
02129
02130 if (0 && !s->first_slice_line && s->mb_x) {
02131 if (is_intra[xy - wrap])
02132 sum = FFABS(px) + FFABS(py);
02133 else
02134 sum = FFABS(px - A[0]) + FFABS(py - A[1]);
02135 if (sum > 32) {
02136 if (get_bits1(&s->gb)) {
02137 px = A[0];
02138 py = A[1];
02139 } else {
02140 px = C[0];
02141 py = C[1];
02142 }
02143 } else {
02144 if (is_intra[xy - 2])
02145 sum = FFABS(px) + FFABS(py);
02146 else
02147 sum = FFABS(px - C[0]) + FFABS(py - C[1]);
02148 if (sum > 32) {
02149 if (get_bits1(&s->gb)) {
02150 px = A[0];
02151 py = A[1];
02152 } else {
02153 px = C[0];
02154 py = C[1];
02155 }
02156 }
02157 }
02158 }
02159
02160 s->mv[0][0][0] = ((px + dmv_x[0] + r_x) & ((r_x << 1) - 1)) - r_x;
02161 s->mv[0][0][1] = ((py + dmv_y[0] + r_y) & ((r_y << 1) - 1)) - r_y;
02162 }
02163 if ((mvtype == BMV_TYPE_BACKWARD) || (mvtype == BMV_TYPE_INTERPOLATED)) {
02164 C = s->current_picture.f.motion_val[1][xy - 2];
02165 A = s->current_picture.f.motion_val[1][xy - wrap * 2];
02166 off = (s->mb_x == (s->mb_width - 1)) ? -2 : 2;
02167 B = s->current_picture.f.motion_val[1][xy - wrap * 2 + off];
02168
02169 if (!s->mb_x)
02170 C[0] = C[1] = 0;
02171 if (!s->first_slice_line) {
02172 if (s->mb_width == 1) {
02173 px = A[0];
02174 py = A[1];
02175 } else {
02176 px = mid_pred(A[0], B[0], C[0]);
02177 py = mid_pred(A[1], B[1], C[1]);
02178 }
02179 } else if (s->mb_x) {
02180 px = C[0];
02181 py = C[1];
02182 } else {
02183 px = py = 0;
02184 }
02185
02186 {
02187 int qx, qy, X, Y;
02188 if (v->profile < PROFILE_ADVANCED) {
02189 qx = (s->mb_x << 5);
02190 qy = (s->mb_y << 5);
02191 X = (s->mb_width << 5) - 4;
02192 Y = (s->mb_height << 5) - 4;
02193 if (qx + px < -28) px = -28 - qx;
02194 if (qy + py < -28) py = -28 - qy;
02195 if (qx + px > X) px = X - qx;
02196 if (qy + py > Y) py = Y - qy;
02197 } else {
02198 qx = (s->mb_x << 6);
02199 qy = (s->mb_y << 6);
02200 X = (s->mb_width << 6) - 4;
02201 Y = (s->mb_height << 6) - 4;
02202 if (qx + px < -60) px = -60 - qx;
02203 if (qy + py < -60) py = -60 - qy;
02204 if (qx + px > X) px = X - qx;
02205 if (qy + py > Y) py = Y - qy;
02206 }
02207 }
02208
02209 if (0 && !s->first_slice_line && s->mb_x) {
02210 if (is_intra[xy - wrap])
02211 sum = FFABS(px) + FFABS(py);
02212 else
02213 sum = FFABS(px - A[0]) + FFABS(py - A[1]);
02214 if (sum > 32) {
02215 if (get_bits1(&s->gb)) {
02216 px = A[0];
02217 py = A[1];
02218 } else {
02219 px = C[0];
02220 py = C[1];
02221 }
02222 } else {
02223 if (is_intra[xy - 2])
02224 sum = FFABS(px) + FFABS(py);
02225 else
02226 sum = FFABS(px - C[0]) + FFABS(py - C[1]);
02227 if (sum > 32) {
02228 if (get_bits1(&s->gb)) {
02229 px = A[0];
02230 py = A[1];
02231 } else {
02232 px = C[0];
02233 py = C[1];
02234 }
02235 }
02236 }
02237 }
02238
02239
02240 s->mv[1][0][0] = ((px + dmv_x[1] + r_x) & ((r_x << 1) - 1)) - r_x;
02241 s->mv[1][0][1] = ((py + dmv_y[1] + r_y) & ((r_y << 1) - 1)) - r_y;
02242 }
02243 s->current_picture.f.motion_val[0][xy][0] = s->mv[0][0][0];
02244 s->current_picture.f.motion_val[0][xy][1] = s->mv[0][0][1];
02245 s->current_picture.f.motion_val[1][xy][0] = s->mv[1][0][0];
02246 s->current_picture.f.motion_val[1][xy][1] = s->mv[1][0][1];
02247 }
02248
02249 static inline void vc1_pred_b_mv_intfi(VC1Context *v, int n, int *dmv_x, int *dmv_y, int mv1, int *pred_flag)
02250 {
02251 int dir = (v->bmvtype == BMV_TYPE_BACKWARD) ? 1 : 0;
02252 MpegEncContext *s = &v->s;
02253 int mb_pos = s->mb_x + s->mb_y * s->mb_stride;
02254
02255 if (v->bmvtype == BMV_TYPE_DIRECT) {
02256 int total_opp, k, f;
02257 if (s->next_picture.f.mb_type[mb_pos + v->mb_off] != MB_TYPE_INTRA) {
02258 s->mv[0][0][0] = scale_mv_intfi(s->next_picture.f.motion_val[1][s->block_index[0] + v->blocks_off][0],
02259 v->bfraction, 0, s->quarter_sample, v->qs_last);
02260 s->mv[0][0][1] = scale_mv_intfi(s->next_picture.f.motion_val[1][s->block_index[0] + v->blocks_off][1],
02261 v->bfraction, 0, s->quarter_sample, v->qs_last);
02262 s->mv[1][0][0] = scale_mv_intfi(s->next_picture.f.motion_val[1][s->block_index[0] + v->blocks_off][0],
02263 v->bfraction, 1, s->quarter_sample, v->qs_last);
02264 s->mv[1][0][1] = scale_mv_intfi(s->next_picture.f.motion_val[1][s->block_index[0] + v->blocks_off][1],
02265 v->bfraction, 1, s->quarter_sample, v->qs_last);
02266
02267 total_opp = v->mv_f_next[0][s->block_index[0] + v->blocks_off]
02268 + v->mv_f_next[0][s->block_index[1] + v->blocks_off]
02269 + v->mv_f_next[0][s->block_index[2] + v->blocks_off]
02270 + v->mv_f_next[0][s->block_index[3] + v->blocks_off];
02271 f = (total_opp > 2) ? 1 : 0;
02272 } else {
02273 s->mv[0][0][0] = s->mv[0][0][1] = 0;
02274 s->mv[1][0][0] = s->mv[1][0][1] = 0;
02275 f = 0;
02276 }
02277 v->ref_field_type[0] = v->ref_field_type[1] = v->cur_field_type ^ f;
02278 for (k = 0; k < 4; k++) {
02279 s->current_picture.f.motion_val[0][s->block_index[k] + v->blocks_off][0] = s->mv[0][0][0];
02280 s->current_picture.f.motion_val[0][s->block_index[k] + v->blocks_off][1] = s->mv[0][0][1];
02281 s->current_picture.f.motion_val[1][s->block_index[k] + v->blocks_off][0] = s->mv[1][0][0];
02282 s->current_picture.f.motion_val[1][s->block_index[k] + v->blocks_off][1] = s->mv[1][0][1];
02283 v->mv_f[0][s->block_index[k] + v->blocks_off] = f;
02284 v->mv_f[1][s->block_index[k] + v->blocks_off] = f;
02285 }
02286 return;
02287 }
02288 if (v->bmvtype == BMV_TYPE_INTERPOLATED) {
02289 vc1_pred_mv(v, 0, dmv_x[0], dmv_y[0], 1, v->range_x, v->range_y, v->mb_type[0], pred_flag[0], 0);
02290 vc1_pred_mv(v, 0, dmv_x[1], dmv_y[1], 1, v->range_x, v->range_y, v->mb_type[0], pred_flag[1], 1);
02291 return;
02292 }
02293 if (dir) {
02294 vc1_pred_mv(v, n, dmv_x[1], dmv_y[1], mv1, v->range_x, v->range_y, v->mb_type[0], pred_flag[1], 1);
02295 if (n == 3 || mv1) {
02296 vc1_pred_mv(v, 0, dmv_x[0], dmv_y[0], 1, v->range_x, v->range_y, v->mb_type[0], 0, 0);
02297 }
02298 } else {
02299 vc1_pred_mv(v, n, dmv_x[0], dmv_y[0], mv1, v->range_x, v->range_y, v->mb_type[0], pred_flag[0], 0);
02300 if (n == 3 || mv1) {
02301 vc1_pred_mv(v, 0, dmv_x[1], dmv_y[1], 1, v->range_x, v->range_y, v->mb_type[0], 0, 1);
02302 }
02303 }
02304 }
02305
02315 static inline int vc1_i_pred_dc(MpegEncContext *s, int overlap, int pq, int n,
02316 int16_t **dc_val_ptr, int *dir_ptr)
02317 {
02318 int a, b, c, wrap, pred, scale;
02319 int16_t *dc_val;
02320 static const uint16_t dcpred[32] = {
02321 -1, 1024, 512, 341, 256, 205, 171, 146, 128,
02322 114, 102, 93, 85, 79, 73, 68, 64,
02323 60, 57, 54, 51, 49, 47, 45, 43,
02324 41, 39, 38, 37, 35, 34, 33
02325 };
02326
02327
02328 if (n < 4) scale = s->y_dc_scale;
02329 else scale = s->c_dc_scale;
02330
02331 wrap = s->block_wrap[n];
02332 dc_val = s->dc_val[0] + s->block_index[n];
02333
02334
02335
02336
02337 c = dc_val[ - 1];
02338 b = dc_val[ - 1 - wrap];
02339 a = dc_val[ - wrap];
02340
02341 if (pq < 9 || !overlap) {
02342
02343 if (s->first_slice_line && (n != 2 && n != 3))
02344 b = a = dcpred[scale];
02345 if (s->mb_x == 0 && (n != 1 && n != 3))
02346 b = c = dcpred[scale];
02347 } else {
02348
02349 if (s->first_slice_line && (n != 2 && n != 3))
02350 b = a = 0;
02351 if (s->mb_x == 0 && (n != 1 && n != 3))
02352 b = c = 0;
02353 }
02354
02355 if (abs(a - b) <= abs(b - c)) {
02356 pred = c;
02357 *dir_ptr = 1;
02358 } else {
02359 pred = a;
02360 *dir_ptr = 0;
02361 }
02362
02363
02364 *dc_val_ptr = &dc_val[0];
02365 return pred;
02366 }
02367
02368
02380 static inline int vc1_pred_dc(MpegEncContext *s, int overlap, int pq, int n,
02381 int a_avail, int c_avail,
02382 int16_t **dc_val_ptr, int *dir_ptr)
02383 {
02384 int a, b, c, wrap, pred;
02385 int16_t *dc_val;
02386 int mb_pos = s->mb_x + s->mb_y * s->mb_stride;
02387 int q1, q2 = 0;
02388 int dqscale_index;
02389
02390 wrap = s->block_wrap[n];
02391 dc_val = s->dc_val[0] + s->block_index[n];
02392
02393
02394
02395
02396 c = dc_val[ - 1];
02397 b = dc_val[ - 1 - wrap];
02398 a = dc_val[ - wrap];
02399
02400 q1 = s->current_picture.f.qscale_table[mb_pos];
02401 dqscale_index = s->y_dc_scale_table[q1] - 1;
02402 if (dqscale_index < 0)
02403 return 0;
02404 if (c_avail && (n != 1 && n != 3)) {
02405 q2 = s->current_picture.f.qscale_table[mb_pos - 1];
02406 if (q2 && q2 != q1)
02407 c = (c * s->y_dc_scale_table[q2] * ff_vc1_dqscale[dqscale_index] + 0x20000) >> 18;
02408 }
02409 if (a_avail && (n != 2 && n != 3)) {
02410 q2 = s->current_picture.f.qscale_table[mb_pos - s->mb_stride];
02411 if (q2 && q2 != q1)
02412 a = (a * s->y_dc_scale_table[q2] * ff_vc1_dqscale[dqscale_index] + 0x20000) >> 18;
02413 }
02414 if (a_avail && c_avail && (n != 3)) {
02415 int off = mb_pos;
02416 if (n != 1)
02417 off--;
02418 if (n != 2)
02419 off -= s->mb_stride;
02420 q2 = s->current_picture.f.qscale_table[off];
02421 if (q2 && q2 != q1)
02422 b = (b * s->y_dc_scale_table[q2] * ff_vc1_dqscale[dqscale_index] + 0x20000) >> 18;
02423 }
02424
02425 if (a_avail && c_avail) {
02426 if (abs(a - b) <= abs(b - c)) {
02427 pred = c;
02428 *dir_ptr = 1;
02429 } else {
02430 pred = a;
02431 *dir_ptr = 0;
02432 }
02433 } else if (a_avail) {
02434 pred = a;
02435 *dir_ptr = 0;
02436 } else if (c_avail) {
02437 pred = c;
02438 *dir_ptr = 1;
02439 } else {
02440 pred = 0;
02441 *dir_ptr = 1;
02442 }
02443
02444
02445 *dc_val_ptr = &dc_val[0];
02446 return pred;
02447 }
02448
02450
02457 static inline int vc1_coded_block_pred(MpegEncContext * s, int n,
02458 uint8_t **coded_block_ptr)
02459 {
02460 int xy, wrap, pred, a, b, c;
02461
02462 xy = s->block_index[n];
02463 wrap = s->b8_stride;
02464
02465
02466
02467
02468 a = s->coded_block[xy - 1 ];
02469 b = s->coded_block[xy - 1 - wrap];
02470 c = s->coded_block[xy - wrap];
02471
02472 if (b == c) {
02473 pred = a;
02474 } else {
02475 pred = c;
02476 }
02477
02478
02479 *coded_block_ptr = &s->coded_block[xy];
02480
02481 return pred;
02482 }
02483
02493 static void vc1_decode_ac_coeff(VC1Context *v, int *last, int *skip,
02494 int *value, int codingset)
02495 {
02496 GetBitContext *gb = &v->s.gb;
02497 int index, escape, run = 0, level = 0, lst = 0;
02498
02499 index = get_vlc2(gb, ff_vc1_ac_coeff_table[codingset].table, AC_VLC_BITS, 3);
02500 if (index != ff_vc1_ac_sizes[codingset] - 1) {
02501 run = vc1_index_decode_table[codingset][index][0];
02502 level = vc1_index_decode_table[codingset][index][1];
02503 lst = index >= vc1_last_decode_table[codingset] || get_bits_left(gb) < 0;
02504 if (get_bits1(gb))
02505 level = -level;
02506 } else {
02507 escape = decode210(gb);
02508 if (escape != 2) {
02509 index = get_vlc2(gb, ff_vc1_ac_coeff_table[codingset].table, AC_VLC_BITS, 3);
02510 run = vc1_index_decode_table[codingset][index][0];
02511 level = vc1_index_decode_table[codingset][index][1];
02512 lst = index >= vc1_last_decode_table[codingset];
02513 if (escape == 0) {
02514 if (lst)
02515 level += vc1_last_delta_level_table[codingset][run];
02516 else
02517 level += vc1_delta_level_table[codingset][run];
02518 } else {
02519 if (lst)
02520 run += vc1_last_delta_run_table[codingset][level] + 1;
02521 else
02522 run += vc1_delta_run_table[codingset][level] + 1;
02523 }
02524 if (get_bits1(gb))
02525 level = -level;
02526 } else {
02527 int sign;
02528 lst = get_bits1(gb);
02529 if (v->s.esc3_level_length == 0) {
02530 if (v->pq < 8 || v->dquantfrm) {
02531 v->s.esc3_level_length = get_bits(gb, 3);
02532 if (!v->s.esc3_level_length)
02533 v->s.esc3_level_length = get_bits(gb, 2) + 8;
02534 } else {
02535 v->s.esc3_level_length = get_unary(gb, 1, 6) + 2;
02536 }
02537 v->s.esc3_run_length = 3 + get_bits(gb, 2);
02538 }
02539 run = get_bits(gb, v->s.esc3_run_length);
02540 sign = get_bits1(gb);
02541 level = get_bits(gb, v->s.esc3_level_length);
02542 if (sign)
02543 level = -level;
02544 }
02545 }
02546
02547 *last = lst;
02548 *skip = run;
02549 *value = level;
02550 }
02551
02559 static int vc1_decode_i_block(VC1Context *v, DCTELEM block[64], int n,
02560 int coded, int codingset)
02561 {
02562 GetBitContext *gb = &v->s.gb;
02563 MpegEncContext *s = &v->s;
02564 int dc_pred_dir = 0;
02565 int i;
02566 int16_t *dc_val;
02567 int16_t *ac_val, *ac_val2;
02568 int dcdiff;
02569
02570
02571 if (n < 4) {
02572 dcdiff = get_vlc2(&s->gb, ff_msmp4_dc_luma_vlc[s->dc_table_index].table, DC_VLC_BITS, 3);
02573 } else {
02574 dcdiff = get_vlc2(&s->gb, ff_msmp4_dc_chroma_vlc[s->dc_table_index].table, DC_VLC_BITS, 3);
02575 }
02576 if (dcdiff < 0) {
02577 av_log(s->avctx, AV_LOG_ERROR, "Illegal DC VLC\n");
02578 return -1;
02579 }
02580 if (dcdiff) {
02581 if (dcdiff == 119 ) {
02582
02583 if (v->pq == 1) dcdiff = get_bits(gb, 10);
02584 else if (v->pq == 2) dcdiff = get_bits(gb, 9);
02585 else dcdiff = get_bits(gb, 8);
02586 } else {
02587 if (v->pq == 1)
02588 dcdiff = (dcdiff << 2) + get_bits(gb, 2) - 3;
02589 else if (v->pq == 2)
02590 dcdiff = (dcdiff << 1) + get_bits1(gb) - 1;
02591 }
02592 if (get_bits1(gb))
02593 dcdiff = -dcdiff;
02594 }
02595
02596
02597 dcdiff += vc1_i_pred_dc(&v->s, v->overlap, v->pq, n, &dc_val, &dc_pred_dir);
02598 *dc_val = dcdiff;
02599
02600
02601 if (n < 4) {
02602 block[0] = dcdiff * s->y_dc_scale;
02603 } else {
02604 block[0] = dcdiff * s->c_dc_scale;
02605 }
02606
02607 if (!coded) {
02608 goto not_coded;
02609 }
02610
02611
02612 i = 1;
02613
02614 {
02615 int last = 0, skip, value;
02616 const uint8_t *zz_table;
02617 int scale;
02618 int k;
02619
02620 scale = v->pq * 2 + v->halfpq;
02621
02622 if (v->s.ac_pred) {
02623 if (!dc_pred_dir)
02624 zz_table = v->zz_8x8[2];
02625 else
02626 zz_table = v->zz_8x8[3];
02627 } else
02628 zz_table = v->zz_8x8[1];
02629
02630 ac_val = s->ac_val[0][0] + s->block_index[n] * 16;
02631 ac_val2 = ac_val;
02632 if (dc_pred_dir)
02633 ac_val -= 16;
02634 else
02635 ac_val -= 16 * s->block_wrap[n];
02636
02637 while (!last) {
02638 vc1_decode_ac_coeff(v, &last, &skip, &value, codingset);
02639 i += skip;
02640 if (i > 63)
02641 break;
02642 block[zz_table[i++]] = value;
02643 }
02644
02645
02646 if (s->ac_pred) {
02647 if (dc_pred_dir) {
02648 for (k = 1; k < 8; k++)
02649 block[k << v->left_blk_sh] += ac_val[k];
02650 } else {
02651 for (k = 1; k < 8; k++)
02652 block[k << v->top_blk_sh] += ac_val[k + 8];
02653 }
02654 }
02655
02656 for (k = 1; k < 8; k++) {
02657 ac_val2[k] = block[k << v->left_blk_sh];
02658 ac_val2[k + 8] = block[k << v->top_blk_sh];
02659 }
02660
02661
02662 for (k = 1; k < 64; k++)
02663 if (block[k]) {
02664 block[k] *= scale;
02665 if (!v->pquantizer)
02666 block[k] += (block[k] < 0) ? -v->pq : v->pq;
02667 }
02668
02669 if (s->ac_pred) i = 63;
02670 }
02671
02672 not_coded:
02673 if (!coded) {
02674 int k, scale;
02675 ac_val = s->ac_val[0][0] + s->block_index[n] * 16;
02676 ac_val2 = ac_val;
02677
02678 i = 0;
02679 scale = v->pq * 2 + v->halfpq;
02680 memset(ac_val2, 0, 16 * 2);
02681 if (dc_pred_dir) {
02682 ac_val -= 16;
02683 if (s->ac_pred)
02684 memcpy(ac_val2, ac_val, 8 * 2);
02685 } else {
02686 ac_val -= 16 * s->block_wrap[n];
02687 if (s->ac_pred)
02688 memcpy(ac_val2 + 8, ac_val + 8, 8 * 2);
02689 }
02690
02691
02692 if (s->ac_pred) {
02693 if (dc_pred_dir) {
02694 for (k = 1; k < 8; k++) {
02695 block[k << v->left_blk_sh] = ac_val[k] * scale;
02696 if (!v->pquantizer && block[k << v->left_blk_sh])
02697 block[k << v->left_blk_sh] += (block[k << v->left_blk_sh] < 0) ? -v->pq : v->pq;
02698 }
02699 } else {
02700 for (k = 1; k < 8; k++) {
02701 block[k << v->top_blk_sh] = ac_val[k + 8] * scale;
02702 if (!v->pquantizer && block[k << v->top_blk_sh])
02703 block[k << v->top_blk_sh] += (block[k << v->top_blk_sh] < 0) ? -v->pq : v->pq;
02704 }
02705 }
02706 i = 63;
02707 }
02708 }
02709 s->block_last_index[n] = i;
02710
02711 return 0;
02712 }
02713
02722 static int vc1_decode_i_block_adv(VC1Context *v, DCTELEM block[64], int n,
02723 int coded, int codingset, int mquant)
02724 {
02725 GetBitContext *gb = &v->s.gb;
02726 MpegEncContext *s = &v->s;
02727 int dc_pred_dir = 0;
02728 int i;
02729 int16_t *dc_val;
02730 int16_t *ac_val, *ac_val2;
02731 int dcdiff;
02732 int a_avail = v->a_avail, c_avail = v->c_avail;
02733 int use_pred = s->ac_pred;
02734 int scale;
02735 int q1, q2 = 0;
02736 int mb_pos = s->mb_x + s->mb_y * s->mb_stride;
02737
02738
02739 if (n < 4) {
02740 dcdiff = get_vlc2(&s->gb, ff_msmp4_dc_luma_vlc[s->dc_table_index].table, DC_VLC_BITS, 3);
02741 } else {
02742 dcdiff = get_vlc2(&s->gb, ff_msmp4_dc_chroma_vlc[s->dc_table_index].table, DC_VLC_BITS, 3);
02743 }
02744 if (dcdiff < 0) {
02745 av_log(s->avctx, AV_LOG_ERROR, "Illegal DC VLC\n");
02746 return -1;
02747 }
02748 if (dcdiff) {
02749 if (dcdiff == 119 ) {
02750
02751 if (mquant == 1) dcdiff = get_bits(gb, 10);
02752 else if (mquant == 2) dcdiff = get_bits(gb, 9);
02753 else dcdiff = get_bits(gb, 8);
02754 } else {
02755 if (mquant == 1)
02756 dcdiff = (dcdiff << 2) + get_bits(gb, 2) - 3;
02757 else if (mquant == 2)
02758 dcdiff = (dcdiff << 1) + get_bits1(gb) - 1;
02759 }
02760 if (get_bits1(gb))
02761 dcdiff = -dcdiff;
02762 }
02763
02764
02765 dcdiff += vc1_pred_dc(&v->s, v->overlap, mquant, n, v->a_avail, v->c_avail, &dc_val, &dc_pred_dir);
02766 *dc_val = dcdiff;
02767
02768
02769 if (n < 4) {
02770 block[0] = dcdiff * s->y_dc_scale;
02771 } else {
02772 block[0] = dcdiff * s->c_dc_scale;
02773 }
02774
02775
02776 i = 1;
02777
02778
02779 if (!a_avail && !c_avail)
02780 use_pred = 0;
02781 ac_val = s->ac_val[0][0] + s->block_index[n] * 16;
02782 ac_val2 = ac_val;
02783
02784 scale = mquant * 2 + ((mquant == v->pq) ? v->halfpq : 0);
02785
02786 if (dc_pred_dir)
02787 ac_val -= 16;
02788 else
02789 ac_val -= 16 * s->block_wrap[n];
02790
02791 q1 = s->current_picture.f.qscale_table[mb_pos];
02792 if ( dc_pred_dir && c_avail && mb_pos)
02793 q2 = s->current_picture.f.qscale_table[mb_pos - 1];
02794 if (!dc_pred_dir && a_avail && mb_pos >= s->mb_stride)
02795 q2 = s->current_picture.f.qscale_table[mb_pos - s->mb_stride];
02796 if ( dc_pred_dir && n == 1)
02797 q2 = q1;
02798 if (!dc_pred_dir && n == 2)
02799 q2 = q1;
02800 if (n == 3)
02801 q2 = q1;
02802
02803 if (coded) {
02804 int last = 0, skip, value;
02805 const uint8_t *zz_table;
02806 int k;
02807
02808 if (v->s.ac_pred) {
02809 if (!use_pred && v->fcm == ILACE_FRAME) {
02810 zz_table = v->zzi_8x8;
02811 } else {
02812 if (!dc_pred_dir)
02813 zz_table = v->zz_8x8[2];
02814 else
02815 zz_table = v->zz_8x8[3];
02816 }
02817 } else {
02818 if (v->fcm != ILACE_FRAME)
02819 zz_table = v->zz_8x8[1];
02820 else
02821 zz_table = v->zzi_8x8;
02822 }
02823
02824 while (!last) {
02825 vc1_decode_ac_coeff(v, &last, &skip, &value, codingset);
02826 i += skip;
02827 if (i > 63)
02828 break;
02829 block[zz_table[i++]] = value;
02830 }
02831
02832
02833 if (use_pred) {
02834
02835 if (q2 && q1 != q2) {
02836 q1 = q1 * 2 + ((q1 == v->pq) ? v->halfpq : 0) - 1;
02837 q2 = q2 * 2 + ((q2 == v->pq) ? v->halfpq : 0) - 1;
02838
02839 if (q1 < 1)
02840 return AVERROR_INVALIDDATA;
02841 if (dc_pred_dir) {
02842 for (k = 1; k < 8; k++)
02843 block[k << v->left_blk_sh] += (ac_val[k] * q2 * ff_vc1_dqscale[q1 - 1] + 0x20000) >> 18;
02844 } else {
02845 for (k = 1; k < 8; k++)
02846 block[k << v->top_blk_sh] += (ac_val[k + 8] * q2 * ff_vc1_dqscale[q1 - 1] + 0x20000) >> 18;
02847 }
02848 } else {
02849 if (dc_pred_dir) {
02850 for (k = 1; k < 8; k++)
02851 block[k << v->left_blk_sh] += ac_val[k];
02852 } else {
02853 for (k = 1; k < 8; k++)
02854 block[k << v->top_blk_sh] += ac_val[k + 8];
02855 }
02856 }
02857 }
02858
02859 for (k = 1; k < 8; k++) {
02860 ac_val2[k ] = block[k << v->left_blk_sh];
02861 ac_val2[k + 8] = block[k << v->top_blk_sh];
02862 }
02863
02864
02865 for (k = 1; k < 64; k++)
02866 if (block[k]) {
02867 block[k] *= scale;
02868 if (!v->pquantizer)
02869 block[k] += (block[k] < 0) ? -mquant : mquant;
02870 }
02871
02872 if (use_pred) i = 63;
02873 } else {
02874 int k;
02875
02876 memset(ac_val2, 0, 16 * 2);
02877 if (dc_pred_dir) {
02878 if (use_pred) {
02879 memcpy(ac_val2, ac_val, 8 * 2);
02880 if (q2 && q1 != q2) {
02881 q1 = q1 * 2 + ((q1 == v->pq) ? v->halfpq : 0) - 1;
02882 q2 = q2 * 2 + ((q2 == v->pq) ? v->halfpq : 0) - 1;
02883 if (q1 < 1)
02884 return AVERROR_INVALIDDATA;
02885 for (k = 1; k < 8; k++)
02886 ac_val2[k] = (ac_val2[k] * q2 * ff_vc1_dqscale[q1 - 1] + 0x20000) >> 18;
02887 }
02888 }
02889 } else {
02890 if (use_pred) {
02891 memcpy(ac_val2 + 8, ac_val + 8, 8 * 2);
02892 if (q2 && q1 != q2) {
02893 q1 = q1 * 2 + ((q1 == v->pq) ? v->halfpq : 0) - 1;
02894 q2 = q2 * 2 + ((q2 == v->pq) ? v->halfpq : 0) - 1;
02895 if (q1 < 1)
02896 return AVERROR_INVALIDDATA;
02897 for (k = 1; k < 8; k++)
02898 ac_val2[k + 8] = (ac_val2[k + 8] * q2 * ff_vc1_dqscale[q1 - 1] + 0x20000) >> 18;
02899 }
02900 }
02901 }
02902
02903
02904 if (use_pred) {
02905 if (dc_pred_dir) {
02906 for (k = 1; k < 8; k++) {
02907 block[k << v->left_blk_sh] = ac_val2[k] * scale;
02908 if (!v->pquantizer && block[k << v->left_blk_sh])
02909 block[k << v->left_blk_sh] += (block[k << v->left_blk_sh] < 0) ? -mquant : mquant;
02910 }
02911 } else {
02912 for (k = 1; k < 8; k++) {
02913 block[k << v->top_blk_sh] = ac_val2[k + 8] * scale;
02914 if (!v->pquantizer && block[k << v->top_blk_sh])
02915 block[k << v->top_blk_sh] += (block[k << v->top_blk_sh] < 0) ? -mquant : mquant;
02916 }
02917 }
02918 i = 63;
02919 }
02920 }
02921 s->block_last_index[n] = i;
02922
02923 return 0;
02924 }
02925
02934 static int vc1_decode_intra_block(VC1Context *v, DCTELEM block[64], int n,
02935 int coded, int mquant, int codingset)
02936 {
02937 GetBitContext *gb = &v->s.gb;
02938 MpegEncContext *s = &v->s;
02939 int dc_pred_dir = 0;
02940 int i;
02941 int16_t *dc_val;
02942 int16_t *ac_val, *ac_val2;
02943 int dcdiff;
02944 int mb_pos = s->mb_x + s->mb_y * s->mb_stride;
02945 int a_avail = v->a_avail, c_avail = v->c_avail;
02946 int use_pred = s->ac_pred;
02947 int scale;
02948 int q1, q2 = 0;
02949
02950 s->dsp.clear_block(block);
02951
02952
02953 mquant = (mquant < 1) ? 0 : ((mquant > 31) ? 31 : mquant);
02954
02955
02956 s->y_dc_scale = s->y_dc_scale_table[mquant];
02957 s->c_dc_scale = s->c_dc_scale_table[mquant];
02958
02959
02960 if (n < 4) {
02961 dcdiff = get_vlc2(&s->gb, ff_msmp4_dc_luma_vlc[s->dc_table_index].table, DC_VLC_BITS, 3);
02962 } else {
02963 dcdiff = get_vlc2(&s->gb, ff_msmp4_dc_chroma_vlc[s->dc_table_index].table, DC_VLC_BITS, 3);
02964 }
02965 if (dcdiff < 0) {
02966 av_log(s->avctx, AV_LOG_ERROR, "Illegal DC VLC\n");
02967 return -1;
02968 }
02969 if (dcdiff) {
02970 if (dcdiff == 119 ) {
02971
02972 if (mquant == 1) dcdiff = get_bits(gb, 10);
02973 else if (mquant == 2) dcdiff = get_bits(gb, 9);
02974 else dcdiff = get_bits(gb, 8);
02975 } else {
02976 if (mquant == 1)
02977 dcdiff = (dcdiff << 2) + get_bits(gb, 2) - 3;
02978 else if (mquant == 2)
02979 dcdiff = (dcdiff << 1) + get_bits1(gb) - 1;
02980 }
02981 if (get_bits1(gb))
02982 dcdiff = -dcdiff;
02983 }
02984
02985
02986 dcdiff += vc1_pred_dc(&v->s, v->overlap, mquant, n, a_avail, c_avail, &dc_val, &dc_pred_dir);
02987 *dc_val = dcdiff;
02988
02989
02990
02991 if (n < 4) {
02992 block[0] = dcdiff * s->y_dc_scale;
02993 } else {
02994 block[0] = dcdiff * s->c_dc_scale;
02995 }
02996
02997
02998 i = 1;
02999
03000
03001 if (!a_avail) dc_pred_dir = 1;
03002 if (!c_avail) dc_pred_dir = 0;
03003 if (!a_avail && !c_avail) use_pred = 0;
03004 ac_val = s->ac_val[0][0] + s->block_index[n] * 16;
03005 ac_val2 = ac_val;
03006
03007 scale = mquant * 2 + v->halfpq;
03008
03009 if (dc_pred_dir)
03010 ac_val -= 16;
03011 else
03012 ac_val -= 16 * s->block_wrap[n];
03013
03014 q1 = s->current_picture.f.qscale_table[mb_pos];
03015 if (dc_pred_dir && c_avail && mb_pos)
03016 q2 = s->current_picture.f.qscale_table[mb_pos - 1];
03017 if (!dc_pred_dir && a_avail && mb_pos >= s->mb_stride)
03018 q2 = s->current_picture.f.qscale_table[mb_pos - s->mb_stride];
03019 if ( dc_pred_dir && n == 1)
03020 q2 = q1;
03021 if (!dc_pred_dir && n == 2)
03022 q2 = q1;
03023 if (n == 3) q2 = q1;
03024
03025 if (coded) {
03026 int last = 0, skip, value;
03027 int k;
03028
03029 while (!last) {
03030 vc1_decode_ac_coeff(v, &last, &skip, &value, codingset);
03031 i += skip;
03032 if (i > 63)
03033 break;
03034 if (v->fcm == PROGRESSIVE)
03035 block[v->zz_8x8[0][i++]] = value;
03036 else {
03037 if (use_pred && (v->fcm == ILACE_FRAME)) {
03038 if (!dc_pred_dir)
03039 block[v->zz_8x8[2][i++]] = value;
03040 else
03041 block[v->zz_8x8[3][i++]] = value;
03042 } else {
03043 block[v->zzi_8x8[i++]] = value;
03044 }
03045 }
03046 }
03047
03048
03049 if (use_pred) {
03050
03051 if (q2 && q1 != q2) {
03052 q1 = q1 * 2 + ((q1 == v->pq) ? v->halfpq : 0) - 1;
03053 q2 = q2 * 2 + ((q2 == v->pq) ? v->halfpq : 0) - 1;
03054
03055 if (q1 < 1)
03056 return AVERROR_INVALIDDATA;
03057 if (dc_pred_dir) {
03058 for (k = 1; k < 8; k++)
03059 block[k << v->left_blk_sh] += (ac_val[k] * q2 * ff_vc1_dqscale[q1 - 1] + 0x20000) >> 18;
03060 } else {
03061 for (k = 1; k < 8; k++)
03062 block[k << v->top_blk_sh] += (ac_val[k + 8] * q2 * ff_vc1_dqscale[q1 - 1] + 0x20000) >> 18;
03063 }
03064 } else {
03065 if (dc_pred_dir) {
03066 for (k = 1; k < 8; k++)
03067 block[k << v->left_blk_sh] += ac_val[k];
03068 } else {
03069 for (k = 1; k < 8; k++)
03070 block[k << v->top_blk_sh] += ac_val[k + 8];
03071 }
03072 }
03073 }
03074
03075 for (k = 1; k < 8; k++) {
03076 ac_val2[k ] = block[k << v->left_blk_sh];
03077 ac_val2[k + 8] = block[k << v->top_blk_sh];
03078 }
03079
03080
03081 for (k = 1; k < 64; k++)
03082 if (block[k]) {
03083 block[k] *= scale;
03084 if (!v->pquantizer)
03085 block[k] += (block[k] < 0) ? -mquant : mquant;
03086 }
03087
03088 if (use_pred) i = 63;
03089 } else {
03090 int k;
03091
03092 memset(ac_val2, 0, 16 * 2);
03093 if (dc_pred_dir) {
03094 if (use_pred) {
03095 memcpy(ac_val2, ac_val, 8 * 2);
03096 if (q2 && q1 != q2) {
03097 q1 = q1 * 2 + ((q1 == v->pq) ? v->halfpq : 0) - 1;
03098 q2 = q2 * 2 + ((q2 == v->pq) ? v->halfpq : 0) - 1;
03099 if (q1 < 1)
03100 return AVERROR_INVALIDDATA;
03101 for (k = 1; k < 8; k++)
03102 ac_val2[k] = (ac_val2[k] * q2 * ff_vc1_dqscale[q1 - 1] + 0x20000) >> 18;
03103 }
03104 }
03105 } else {
03106 if (use_pred) {
03107 memcpy(ac_val2 + 8, ac_val + 8, 8 * 2);
03108 if (q2 && q1 != q2) {
03109 q1 = q1 * 2 + ((q1 == v->pq) ? v->halfpq : 0) - 1;
03110 q2 = q2 * 2 + ((q2 == v->pq) ? v->halfpq : 0) - 1;
03111 if (q1 < 1)
03112 return AVERROR_INVALIDDATA;
03113 for (k = 1; k < 8; k++)
03114 ac_val2[k + 8] = (ac_val2[k + 8] * q2 * ff_vc1_dqscale[q1 - 1] + 0x20000) >> 18;
03115 }
03116 }
03117 }
03118
03119
03120 if (use_pred) {
03121 if (dc_pred_dir) {
03122 for (k = 1; k < 8; k++) {
03123 block[k << v->left_blk_sh] = ac_val2[k] * scale;
03124 if (!v->pquantizer && block[k << v->left_blk_sh])
03125 block[k << v->left_blk_sh] += (block[k << v->left_blk_sh] < 0) ? -mquant : mquant;
03126 }
03127 } else {
03128 for (k = 1; k < 8; k++) {
03129 block[k << v->top_blk_sh] = ac_val2[k + 8] * scale;
03130 if (!v->pquantizer && block[k << v->top_blk_sh])
03131 block[k << v->top_blk_sh] += (block[k << v->top_blk_sh] < 0) ? -mquant : mquant;
03132 }
03133 }
03134 i = 63;
03135 }
03136 }
03137 s->block_last_index[n] = i;
03138
03139 return 0;
03140 }
03141
03144 static int vc1_decode_p_block(VC1Context *v, DCTELEM block[64], int n,
03145 int mquant, int ttmb, int first_block,
03146 uint8_t *dst, int linesize, int skip_block,
03147 int *ttmb_out)
03148 {
03149 MpegEncContext *s = &v->s;
03150 GetBitContext *gb = &s->gb;
03151 int i, j;
03152 int subblkpat = 0;
03153 int scale, off, idx, last, skip, value;
03154 int ttblk = ttmb & 7;
03155 int pat = 0;
03156
03157 s->dsp.clear_block(block);
03158
03159 if (ttmb == -1) {
03160 ttblk = ff_vc1_ttblk_to_tt[v->tt_index][get_vlc2(gb, ff_vc1_ttblk_vlc[v->tt_index].table, VC1_TTBLK_VLC_BITS, 1)];
03161 }
03162 if (ttblk == TT_4X4) {
03163 subblkpat = ~(get_vlc2(gb, ff_vc1_subblkpat_vlc[v->tt_index].table, VC1_SUBBLKPAT_VLC_BITS, 1) + 1);
03164 }
03165 if ((ttblk != TT_8X8 && ttblk != TT_4X4)
03166 && ((v->ttmbf || (ttmb != -1 && (ttmb & 8) && !first_block))
03167 || (!v->res_rtm_flag && !first_block))) {
03168 subblkpat = decode012(gb);
03169 if (subblkpat)
03170 subblkpat ^= 3;
03171 if (ttblk == TT_8X4_TOP || ttblk == TT_8X4_BOTTOM)
03172 ttblk = TT_8X4;
03173 if (ttblk == TT_4X8_RIGHT || ttblk == TT_4X8_LEFT)
03174 ttblk = TT_4X8;
03175 }
03176 scale = 2 * mquant + ((v->pq == mquant) ? v->halfpq : 0);
03177
03178
03179 if (ttblk == TT_8X4_TOP || ttblk == TT_8X4_BOTTOM) {
03180 subblkpat = 2 - (ttblk == TT_8X4_TOP);
03181 ttblk = TT_8X4;
03182 }
03183 if (ttblk == TT_4X8_RIGHT || ttblk == TT_4X8_LEFT) {
03184 subblkpat = 2 - (ttblk == TT_4X8_LEFT);
03185 ttblk = TT_4X8;
03186 }
03187 switch (ttblk) {
03188 case TT_8X8:
03189 pat = 0xF;
03190 i = 0;
03191 last = 0;
03192 while (!last) {
03193 vc1_decode_ac_coeff(v, &last, &skip, &value, v->codingset2);
03194 i += skip;
03195 if (i > 63)
03196 break;
03197 if (!v->fcm)
03198 idx = v->zz_8x8[0][i++];
03199 else
03200 idx = v->zzi_8x8[i++];
03201 block[idx] = value * scale;
03202 if (!v->pquantizer)
03203 block[idx] += (block[idx] < 0) ? -mquant : mquant;
03204 }
03205 if (!skip_block) {
03206 if (i == 1)
03207 v->vc1dsp.vc1_inv_trans_8x8_dc(dst, linesize, block);
03208 else {
03209 v->vc1dsp.vc1_inv_trans_8x8(block);
03210 s->dsp.add_pixels_clamped(block, dst, linesize);
03211 }
03212 }
03213 break;
03214 case TT_4X4:
03215 pat = ~subblkpat & 0xF;
03216 for (j = 0; j < 4; j++) {
03217 last = subblkpat & (1 << (3 - j));
03218 i = 0;
03219 off = (j & 1) * 4 + (j & 2) * 16;
03220 while (!last) {
03221 vc1_decode_ac_coeff(v, &last, &skip, &value, v->codingset2);
03222 i += skip;
03223 if (i > 15)
03224 break;
03225 if (!v->fcm)
03226 idx = ff_vc1_simple_progressive_4x4_zz[i++];
03227 else
03228 idx = ff_vc1_adv_interlaced_4x4_zz[i++];
03229 block[idx + off] = value * scale;
03230 if (!v->pquantizer)
03231 block[idx + off] += (block[idx + off] < 0) ? -mquant : mquant;
03232 }
03233 if (!(subblkpat & (1 << (3 - j))) && !skip_block) {
03234 if (i == 1)
03235 v->vc1dsp.vc1_inv_trans_4x4_dc(dst + (j & 1) * 4 + (j & 2) * 2 * linesize, linesize, block + off);
03236 else
03237 v->vc1dsp.vc1_inv_trans_4x4(dst + (j & 1) * 4 + (j & 2) * 2 * linesize, linesize, block + off);
03238 }
03239 }
03240 break;
03241 case TT_8X4:
03242 pat = ~((subblkpat & 2) * 6 + (subblkpat & 1) * 3) & 0xF;
03243 for (j = 0; j < 2; j++) {
03244 last = subblkpat & (1 << (1 - j));
03245 i = 0;
03246 off = j * 32;
03247 while (!last) {
03248 vc1_decode_ac_coeff(v, &last, &skip, &value, v->codingset2);
03249 i += skip;
03250 if (i > 31)
03251 break;
03252 if (!v->fcm)
03253 idx = v->zz_8x4[i++] + off;
03254 else
03255 idx = ff_vc1_adv_interlaced_8x4_zz[i++] + off;
03256 block[idx] = value * scale;
03257 if (!v->pquantizer)
03258 block[idx] += (block[idx] < 0) ? -mquant : mquant;
03259 }
03260 if (!(subblkpat & (1 << (1 - j))) && !skip_block) {
03261 if (i == 1)
03262 v->vc1dsp.vc1_inv_trans_8x4_dc(dst + j * 4 * linesize, linesize, block + off);
03263 else
03264 v->vc1dsp.vc1_inv_trans_8x4(dst + j * 4 * linesize, linesize, block + off);
03265 }
03266 }
03267 break;
03268 case TT_4X8:
03269 pat = ~(subblkpat * 5) & 0xF;
03270 for (j = 0; j < 2; j++) {
03271 last = subblkpat & (1 << (1 - j));
03272 i = 0;
03273 off = j * 4;
03274 while (!last) {
03275 vc1_decode_ac_coeff(v, &last, &skip, &value, v->codingset2);
03276 i += skip;
03277 if (i > 31)
03278 break;
03279 if (!v->fcm)
03280 idx = v->zz_4x8[i++] + off;
03281 else
03282 idx = ff_vc1_adv_interlaced_4x8_zz[i++] + off;
03283 block[idx] = value * scale;
03284 if (!v->pquantizer)
03285 block[idx] += (block[idx] < 0) ? -mquant : mquant;
03286 }
03287 if (!(subblkpat & (1 << (1 - j))) && !skip_block) {
03288 if (i == 1)
03289 v->vc1dsp.vc1_inv_trans_4x8_dc(dst + j * 4, linesize, block + off);
03290 else
03291 v->vc1dsp.vc1_inv_trans_4x8(dst + j*4, linesize, block + off);
03292 }
03293 }
03294 break;
03295 }
03296 if (ttmb_out)
03297 *ttmb_out |= ttblk << (n * 4);
03298 return pat;
03299 }
03300
03302
03303 static const int size_table [6] = { 0, 2, 3, 4, 5, 8 };
03304 static const int offset_table[6] = { 0, 1, 3, 7, 15, 31 };
03305
03306 static av_always_inline void vc1_apply_p_v_loop_filter(VC1Context *v, int block_num)
03307 {
03308 MpegEncContext *s = &v->s;
03309 int mb_cbp = v->cbp[s->mb_x - s->mb_stride],
03310 block_cbp = mb_cbp >> (block_num * 4), bottom_cbp,
03311 mb_is_intra = v->is_intra[s->mb_x - s->mb_stride],
03312 block_is_intra = mb_is_intra >> (block_num * 4), bottom_is_intra;
03313 int idx, linesize = block_num > 3 ? s->uvlinesize : s->linesize, ttblk;
03314 uint8_t *dst;
03315
03316 if (block_num > 3) {
03317 dst = s->dest[block_num - 3];
03318 } else {
03319 dst = s->dest[0] + (block_num & 1) * 8 + ((block_num & 2) * 4 - 8) * linesize;
03320 }
03321 if (s->mb_y != s->end_mb_y || block_num < 2) {
03322 int16_t (*mv)[2];
03323 int mv_stride;
03324
03325 if (block_num > 3) {
03326 bottom_cbp = v->cbp[s->mb_x] >> (block_num * 4);
03327 bottom_is_intra = v->is_intra[s->mb_x] >> (block_num * 4);
03328 mv = &v->luma_mv[s->mb_x - s->mb_stride];
03329 mv_stride = s->mb_stride;
03330 } else {
03331 bottom_cbp = (block_num < 2) ? (mb_cbp >> ((block_num + 2) * 4))
03332 : (v->cbp[s->mb_x] >> ((block_num - 2) * 4));
03333 bottom_is_intra = (block_num < 2) ? (mb_is_intra >> ((block_num + 2) * 4))
03334 : (v->is_intra[s->mb_x] >> ((block_num - 2) * 4));
03335 mv_stride = s->b8_stride;
03336 mv = &s->current_picture.f.motion_val[0][s->block_index[block_num] - 2 * mv_stride];
03337 }
03338
03339 if (bottom_is_intra & 1 || block_is_intra & 1 ||
03340 mv[0][0] != mv[mv_stride][0] || mv[0][1] != mv[mv_stride][1]) {
03341 v->vc1dsp.vc1_v_loop_filter8(dst, linesize, v->pq);
03342 } else {
03343 idx = ((bottom_cbp >> 2) | block_cbp) & 3;
03344 if (idx == 3) {
03345 v->vc1dsp.vc1_v_loop_filter8(dst, linesize, v->pq);
03346 } else if (idx) {
03347 if (idx == 1)
03348 v->vc1dsp.vc1_v_loop_filter4(dst + 4, linesize, v->pq);
03349 else
03350 v->vc1dsp.vc1_v_loop_filter4(dst, linesize, v->pq);
03351 }
03352 }
03353 }
03354
03355 dst -= 4 * linesize;
03356 ttblk = (v->ttblk[s->mb_x - s->mb_stride] >> (block_num * 4)) & 0xF;
03357 if (ttblk == TT_4X4 || ttblk == TT_8X4) {
03358 idx = (block_cbp | (block_cbp >> 2)) & 3;
03359 if (idx == 3) {
03360 v->vc1dsp.vc1_v_loop_filter8(dst, linesize, v->pq);
03361 } else if (idx) {
03362 if (idx == 1)
03363 v->vc1dsp.vc1_v_loop_filter4(dst + 4, linesize, v->pq);
03364 else
03365 v->vc1dsp.vc1_v_loop_filter4(dst, linesize, v->pq);
03366 }
03367 }
03368 }
03369
03370 static av_always_inline void vc1_apply_p_h_loop_filter(VC1Context *v, int block_num)
03371 {
03372 MpegEncContext *s = &v->s;
03373 int mb_cbp = v->cbp[s->mb_x - 1 - s->mb_stride],
03374 block_cbp = mb_cbp >> (block_num * 4), right_cbp,
03375 mb_is_intra = v->is_intra[s->mb_x - 1 - s->mb_stride],
03376 block_is_intra = mb_is_intra >> (block_num * 4), right_is_intra;
03377 int idx, linesize = block_num > 3 ? s->uvlinesize : s->linesize, ttblk;
03378 uint8_t *dst;
03379
03380 if (block_num > 3) {
03381 dst = s->dest[block_num - 3] - 8 * linesize;
03382 } else {
03383 dst = s->dest[0] + (block_num & 1) * 8 + ((block_num & 2) * 4 - 16) * linesize - 8;
03384 }
03385
03386 if (s->mb_x != s->mb_width || !(block_num & 5)) {
03387 int16_t (*mv)[2];
03388
03389 if (block_num > 3) {
03390 right_cbp = v->cbp[s->mb_x - s->mb_stride] >> (block_num * 4);
03391 right_is_intra = v->is_intra[s->mb_x - s->mb_stride] >> (block_num * 4);
03392 mv = &v->luma_mv[s->mb_x - s->mb_stride - 1];
03393 } else {
03394 right_cbp = (block_num & 1) ? (v->cbp[s->mb_x - s->mb_stride] >> ((block_num - 1) * 4))
03395 : (mb_cbp >> ((block_num + 1) * 4));
03396 right_is_intra = (block_num & 1) ? (v->is_intra[s->mb_x - s->mb_stride] >> ((block_num - 1) * 4))
03397 : (mb_is_intra >> ((block_num + 1) * 4));
03398 mv = &s->current_picture.f.motion_val[0][s->block_index[block_num] - s->b8_stride * 2 - 2];
03399 }
03400 if (block_is_intra & 1 || right_is_intra & 1 || mv[0][0] != mv[1][0] || mv[0][1] != mv[1][1]) {
03401 v->vc1dsp.vc1_h_loop_filter8(dst, linesize, v->pq);
03402 } else {
03403 idx = ((right_cbp >> 1) | block_cbp) & 5;
03404 if (idx == 5) {
03405 v->vc1dsp.vc1_h_loop_filter8(dst, linesize, v->pq);
03406 } else if (idx) {
03407 if (idx == 1)
03408 v->vc1dsp.vc1_h_loop_filter4(dst + 4 * linesize, linesize, v->pq);
03409 else
03410 v->vc1dsp.vc1_h_loop_filter4(dst, linesize, v->pq);
03411 }
03412 }
03413 }
03414
03415 dst -= 4;
03416 ttblk = (v->ttblk[s->mb_x - s->mb_stride - 1] >> (block_num * 4)) & 0xf;
03417 if (ttblk == TT_4X4 || ttblk == TT_4X8) {
03418 idx = (block_cbp | (block_cbp >> 1)) & 5;
03419 if (idx == 5) {
03420 v->vc1dsp.vc1_h_loop_filter8(dst, linesize, v->pq);
03421 } else if (idx) {
03422 if (idx == 1)
03423 v->vc1dsp.vc1_h_loop_filter4(dst + linesize * 4, linesize, v->pq);
03424 else
03425 v->vc1dsp.vc1_h_loop_filter4(dst, linesize, v->pq);
03426 }
03427 }
03428 }
03429
03430 static void vc1_apply_p_loop_filter(VC1Context *v)
03431 {
03432 MpegEncContext *s = &v->s;
03433 int i;
03434
03435 for (i = 0; i < 6; i++) {
03436 vc1_apply_p_v_loop_filter(v, i);
03437 }
03438
03439
03440
03441 if (s->mb_x) {
03442 for (i = 0; i < 6; i++) {
03443 vc1_apply_p_h_loop_filter(v, i);
03444 }
03445 if (s->mb_x == s->mb_width - 1) {
03446 s->mb_x++;
03447 ff_update_block_index(s);
03448 for (i = 0; i < 6; i++) {
03449 vc1_apply_p_h_loop_filter(v, i);
03450 }
03451 }
03452 }
03453 }
03454
03457 static int vc1_decode_p_mb(VC1Context *v)
03458 {
03459 MpegEncContext *s = &v->s;
03460 GetBitContext *gb = &s->gb;
03461 int i, j;
03462 int mb_pos = s->mb_x + s->mb_y * s->mb_stride;
03463 int cbp;
03464 int mqdiff, mquant;
03465 int ttmb = v->ttfrm;
03466
03467 int mb_has_coeffs = 1;
03468 int dmv_x, dmv_y;
03469 int index, index1;
03470 int val, sign;
03471 int first_block = 1;
03472 int dst_idx, off;
03473 int skipped, fourmv;
03474 int block_cbp = 0, pat, block_tt = 0, block_intra = 0;
03475
03476 mquant = v->pq;
03477
03478 if (v->mv_type_is_raw)
03479 fourmv = get_bits1(gb);
03480 else
03481 fourmv = v->mv_type_mb_plane[mb_pos];
03482 if (v->skip_is_raw)
03483 skipped = get_bits1(gb);
03484 else
03485 skipped = v->s.mbskip_table[mb_pos];
03486
03487 if (!fourmv) {
03488 if (!skipped) {
03489 GET_MVDATA(dmv_x, dmv_y);
03490
03491 if (s->mb_intra) {
03492 s->current_picture.f.motion_val[1][s->block_index[0]][0] = 0;
03493 s->current_picture.f.motion_val[1][s->block_index[0]][1] = 0;
03494 }
03495 s->current_picture.f.mb_type[mb_pos] = s->mb_intra ? MB_TYPE_INTRA : MB_TYPE_16x16;
03496 vc1_pred_mv(v, 0, dmv_x, dmv_y, 1, v->range_x, v->range_y, v->mb_type[0], 0, 0);
03497
03498
03499 if (s->mb_intra && !mb_has_coeffs) {
03500 GET_MQUANT();
03501 s->ac_pred = get_bits1(gb);
03502 cbp = 0;
03503 } else if (mb_has_coeffs) {
03504 if (s->mb_intra)
03505 s->ac_pred = get_bits1(gb);
03506 cbp = get_vlc2(&v->s.gb, v->cbpcy_vlc->table, VC1_CBPCY_P_VLC_BITS, 2);
03507 GET_MQUANT();
03508 } else {
03509 mquant = v->pq;
03510 cbp = 0;
03511 }
03512 s->current_picture.f.qscale_table[mb_pos] = mquant;
03513
03514 if (!v->ttmbf && !s->mb_intra && mb_has_coeffs)
03515 ttmb = get_vlc2(gb, ff_vc1_ttmb_vlc[v->tt_index].table,
03516 VC1_TTMB_VLC_BITS, 2);
03517 if (!s->mb_intra) vc1_mc_1mv(v, 0);
03518 dst_idx = 0;
03519 for (i = 0; i < 6; i++) {
03520 s->dc_val[0][s->block_index[i]] = 0;
03521 dst_idx += i >> 2;
03522 val = ((cbp >> (5 - i)) & 1);
03523 off = (i & 4) ? 0 : ((i & 1) * 8 + (i & 2) * 4 * s->linesize);
03524 v->mb_type[0][s->block_index[i]] = s->mb_intra;
03525 if (s->mb_intra) {
03526
03527 v->a_avail = v->c_avail = 0;
03528 if (i == 2 || i == 3 || !s->first_slice_line)
03529 v->a_avail = v->mb_type[0][s->block_index[i] - s->block_wrap[i]];
03530 if (i == 1 || i == 3 || s->mb_x)
03531 v->c_avail = v->mb_type[0][s->block_index[i] - 1];
03532
03533 vc1_decode_intra_block(v, s->block[i], i, val, mquant,
03534 (i & 4) ? v->codingset2 : v->codingset);
03535 if ((i>3) && (s->flags & CODEC_FLAG_GRAY))
03536 continue;
03537 v->vc1dsp.vc1_inv_trans_8x8(s->block[i]);
03538 if (v->rangeredfrm)
03539 for (j = 0; j < 64; j++)
03540 s->block[i][j] <<= 1;
03541 s->dsp.put_signed_pixels_clamped(s->block[i], s->dest[dst_idx] + off, i & 4 ? s->uvlinesize : s->linesize);
03542 if (v->pq >= 9 && v->overlap) {
03543 if (v->c_avail)
03544 v->vc1dsp.vc1_h_overlap(s->dest[dst_idx] + off, i & 4 ? s->uvlinesize : s->linesize);
03545 if (v->a_avail)
03546 v->vc1dsp.vc1_v_overlap(s->dest[dst_idx] + off, i & 4 ? s->uvlinesize : s->linesize);
03547 }
03548 block_cbp |= 0xF << (i << 2);
03549 block_intra |= 1 << i;
03550 } else if (val) {
03551 pat = vc1_decode_p_block(v, s->block[i], i, mquant, ttmb, first_block,
03552 s->dest[dst_idx] + off, (i & 4) ? s->uvlinesize : s->linesize,
03553 (i & 4) && (s->flags & CODEC_FLAG_GRAY), &block_tt);
03554 block_cbp |= pat << (i << 2);
03555 if (!v->ttmbf && ttmb < 8)
03556 ttmb = -1;
03557 first_block = 0;
03558 }
03559 }
03560 } else {
03561 s->mb_intra = 0;
03562 for (i = 0; i < 6; i++) {
03563 v->mb_type[0][s->block_index[i]] = 0;
03564 s->dc_val[0][s->block_index[i]] = 0;
03565 }
03566 s->current_picture.f.mb_type[mb_pos] = MB_TYPE_SKIP;
03567 s->current_picture.f.qscale_table[mb_pos] = 0;
03568 vc1_pred_mv(v, 0, 0, 0, 1, v->range_x, v->range_y, v->mb_type[0], 0, 0);
03569 vc1_mc_1mv(v, 0);
03570 }
03571 } else {
03572 if (!skipped ) {
03573 int intra_count = 0, coded_inter = 0;
03574 int is_intra[6], is_coded[6];
03575
03576 cbp = get_vlc2(&v->s.gb, v->cbpcy_vlc->table, VC1_CBPCY_P_VLC_BITS, 2);
03577 for (i = 0; i < 6; i++) {
03578 val = ((cbp >> (5 - i)) & 1);
03579 s->dc_val[0][s->block_index[i]] = 0;
03580 s->mb_intra = 0;
03581 if (i < 4) {
03582 dmv_x = dmv_y = 0;
03583 s->mb_intra = 0;
03584 mb_has_coeffs = 0;
03585 if (val) {
03586 GET_MVDATA(dmv_x, dmv_y);
03587 }
03588 vc1_pred_mv(v, i, dmv_x, dmv_y, 0, v->range_x, v->range_y, v->mb_type[0], 0, 0);
03589 if (!s->mb_intra)
03590 vc1_mc_4mv_luma(v, i, 0);
03591 intra_count += s->mb_intra;
03592 is_intra[i] = s->mb_intra;
03593 is_coded[i] = mb_has_coeffs;
03594 }
03595 if (i & 4) {
03596 is_intra[i] = (intra_count >= 3);
03597 is_coded[i] = val;
03598 }
03599 if (i == 4)
03600 vc1_mc_4mv_chroma(v, 0);
03601 v->mb_type[0][s->block_index[i]] = is_intra[i];
03602 if (!coded_inter)
03603 coded_inter = !is_intra[i] & is_coded[i];
03604 }
03605
03606 dst_idx = 0;
03607 if (!intra_count && !coded_inter)
03608 goto end;
03609 GET_MQUANT();
03610 s->current_picture.f.qscale_table[mb_pos] = mquant;
03611
03612 {
03613 int intrapred = 0;
03614 for (i = 0; i < 6; i++)
03615 if (is_intra[i]) {
03616 if (((!s->first_slice_line || (i == 2 || i == 3)) && v->mb_type[0][s->block_index[i] - s->block_wrap[i]])
03617 || ((s->mb_x || (i == 1 || i == 3)) && v->mb_type[0][s->block_index[i] - 1])) {
03618 intrapred = 1;
03619 break;
03620 }
03621 }
03622 if (intrapred)
03623 s->ac_pred = get_bits1(gb);
03624 else
03625 s->ac_pred = 0;
03626 }
03627 if (!v->ttmbf && coded_inter)
03628 ttmb = get_vlc2(gb, ff_vc1_ttmb_vlc[v->tt_index].table, VC1_TTMB_VLC_BITS, 2);
03629 for (i = 0; i < 6; i++) {
03630 dst_idx += i >> 2;
03631 off = (i & 4) ? 0 : ((i & 1) * 8 + (i & 2) * 4 * s->linesize);
03632 s->mb_intra = is_intra[i];
03633 if (is_intra[i]) {
03634
03635 v->a_avail = v->c_avail = 0;
03636 if (i == 2 || i == 3 || !s->first_slice_line)
03637 v->a_avail = v->mb_type[0][s->block_index[i] - s->block_wrap[i]];
03638 if (i == 1 || i == 3 || s->mb_x)
03639 v->c_avail = v->mb_type[0][s->block_index[i] - 1];
03640
03641 vc1_decode_intra_block(v, s->block[i], i, is_coded[i], mquant,
03642 (i & 4) ? v->codingset2 : v->codingset);
03643 if ((i>3) && (s->flags & CODEC_FLAG_GRAY))
03644 continue;
03645 v->vc1dsp.vc1_inv_trans_8x8(s->block[i]);
03646 if (v->rangeredfrm)
03647 for (j = 0; j < 64; j++)
03648 s->block[i][j] <<= 1;
03649 s->dsp.put_signed_pixels_clamped(s->block[i], s->dest[dst_idx] + off,
03650 (i & 4) ? s->uvlinesize : s->linesize);
03651 if (v->pq >= 9 && v->overlap) {
03652 if (v->c_avail)
03653 v->vc1dsp.vc1_h_overlap(s->dest[dst_idx] + off, i & 4 ? s->uvlinesize : s->linesize);
03654 if (v->a_avail)
03655 v->vc1dsp.vc1_v_overlap(s->dest[dst_idx] + off, i & 4 ? s->uvlinesize : s->linesize);
03656 }
03657 block_cbp |= 0xF << (i << 2);
03658 block_intra |= 1 << i;
03659 } else if (is_coded[i]) {
03660 pat = vc1_decode_p_block(v, s->block[i], i, mquant, ttmb,
03661 first_block, s->dest[dst_idx] + off,
03662 (i & 4) ? s->uvlinesize : s->linesize,
03663 (i & 4) && (s->flags & CODEC_FLAG_GRAY),
03664 &block_tt);
03665 block_cbp |= pat << (i << 2);
03666 if (!v->ttmbf && ttmb < 8)
03667 ttmb = -1;
03668 first_block = 0;
03669 }
03670 }
03671 } else {
03672 s->mb_intra = 0;
03673 s->current_picture.f.qscale_table[mb_pos] = 0;
03674 for (i = 0; i < 6; i++) {
03675 v->mb_type[0][s->block_index[i]] = 0;
03676 s->dc_val[0][s->block_index[i]] = 0;
03677 }
03678 for (i = 0; i < 4; i++) {
03679 vc1_pred_mv(v, i, 0, 0, 0, v->range_x, v->range_y, v->mb_type[0], 0, 0);
03680 vc1_mc_4mv_luma(v, i, 0);
03681 }
03682 vc1_mc_4mv_chroma(v, 0);
03683 s->current_picture.f.qscale_table[mb_pos] = 0;
03684 }
03685 }
03686 end:
03687 v->cbp[s->mb_x] = block_cbp;
03688 v->ttblk[s->mb_x] = block_tt;
03689 v->is_intra[s->mb_x] = block_intra;
03690
03691 return 0;
03692 }
03693
03694
03695
03696 static int vc1_decode_p_mb_intfr(VC1Context *v)
03697 {
03698 MpegEncContext *s = &v->s;
03699 GetBitContext *gb = &s->gb;
03700 int i;
03701 int mb_pos = s->mb_x + s->mb_y * s->mb_stride;
03702 int cbp = 0;
03703 int mqdiff, mquant;
03704 int ttmb = v->ttfrm;
03705
03706 int mb_has_coeffs = 1;
03707 int dmv_x, dmv_y;
03708 int val;
03709 int first_block = 1;
03710 int dst_idx, off;
03711 int skipped, fourmv = 0, twomv = 0;
03712 int block_cbp = 0, pat, block_tt = 0;
03713 int idx_mbmode = 0, mvbp;
03714 int stride_y, fieldtx;
03715
03716 mquant = v->pq;
03717
03718 if (v->skip_is_raw)
03719 skipped = get_bits1(gb);
03720 else
03721 skipped = v->s.mbskip_table[mb_pos];
03722 if (!skipped) {
03723 if (v->fourmvswitch)
03724 idx_mbmode = get_vlc2(gb, v->mbmode_vlc->table, VC1_INTFR_4MV_MBMODE_VLC_BITS, 2);
03725 else
03726 idx_mbmode = get_vlc2(gb, v->mbmode_vlc->table, VC1_INTFR_NON4MV_MBMODE_VLC_BITS, 2);
03727 switch (ff_vc1_mbmode_intfrp[v->fourmvswitch][idx_mbmode][0]) {
03728
03729 case MV_PMODE_INTFR_4MV:
03730 fourmv = 1;
03731 v->blk_mv_type[s->block_index[0]] = 0;
03732 v->blk_mv_type[s->block_index[1]] = 0;
03733 v->blk_mv_type[s->block_index[2]] = 0;
03734 v->blk_mv_type[s->block_index[3]] = 0;
03735 break;
03736 case MV_PMODE_INTFR_4MV_FIELD:
03737 fourmv = 1;
03738 v->blk_mv_type[s->block_index[0]] = 1;
03739 v->blk_mv_type[s->block_index[1]] = 1;
03740 v->blk_mv_type[s->block_index[2]] = 1;
03741 v->blk_mv_type[s->block_index[3]] = 1;
03742 break;
03743 case MV_PMODE_INTFR_2MV_FIELD:
03744 twomv = 1;
03745 v->blk_mv_type[s->block_index[0]] = 1;
03746 v->blk_mv_type[s->block_index[1]] = 1;
03747 v->blk_mv_type[s->block_index[2]] = 1;
03748 v->blk_mv_type[s->block_index[3]] = 1;
03749 break;
03750 case MV_PMODE_INTFR_1MV:
03751 v->blk_mv_type[s->block_index[0]] = 0;
03752 v->blk_mv_type[s->block_index[1]] = 0;
03753 v->blk_mv_type[s->block_index[2]] = 0;
03754 v->blk_mv_type[s->block_index[3]] = 0;
03755 break;
03756 }
03757 if (ff_vc1_mbmode_intfrp[v->fourmvswitch][idx_mbmode][0] == MV_PMODE_INTFR_INTRA) {
03758 s->current_picture.f.motion_val[1][s->block_index[0]][0] = 0;
03759 s->current_picture.f.motion_val[1][s->block_index[0]][1] = 0;
03760 s->current_picture.f.mb_type[mb_pos] = MB_TYPE_INTRA;
03761 s->mb_intra = v->is_intra[s->mb_x] = 1;
03762 for (i = 0; i < 6; i++)
03763 v->mb_type[0][s->block_index[i]] = 1;
03764 fieldtx = v->fieldtx_plane[mb_pos] = get_bits1(gb);
03765 mb_has_coeffs = get_bits1(gb);
03766 if (mb_has_coeffs)
03767 cbp = 1 + get_vlc2(&v->s.gb, v->cbpcy_vlc->table, VC1_CBPCY_P_VLC_BITS, 2);
03768 v->s.ac_pred = v->acpred_plane[mb_pos] = get_bits1(gb);
03769 GET_MQUANT();
03770 s->current_picture.f.qscale_table[mb_pos] = mquant;
03771
03772 s->y_dc_scale = s->y_dc_scale_table[mquant];
03773 s->c_dc_scale = s->c_dc_scale_table[mquant];
03774 dst_idx = 0;
03775 for (i = 0; i < 6; i++) {
03776 s->dc_val[0][s->block_index[i]] = 0;
03777 dst_idx += i >> 2;
03778 val = ((cbp >> (5 - i)) & 1);
03779 v->mb_type[0][s->block_index[i]] = s->mb_intra;
03780 v->a_avail = v->c_avail = 0;
03781 if (i == 2 || i == 3 || !s->first_slice_line)
03782 v->a_avail = v->mb_type[0][s->block_index[i] - s->block_wrap[i]];
03783 if (i == 1 || i == 3 || s->mb_x)
03784 v->c_avail = v->mb_type[0][s->block_index[i] - 1];
03785
03786 vc1_decode_intra_block(v, s->block[i], i, val, mquant,
03787 (i & 4) ? v->codingset2 : v->codingset);
03788 if ((i>3) && (s->flags & CODEC_FLAG_GRAY)) continue;
03789 v->vc1dsp.vc1_inv_trans_8x8(s->block[i]);
03790 if (i < 4) {
03791 stride_y = s->linesize << fieldtx;
03792 off = (fieldtx) ? ((i & 1) * 8) + ((i & 2) >> 1) * s->linesize : (i & 1) * 8 + 4 * (i & 2) * s->linesize;
03793 } else {
03794 stride_y = s->uvlinesize;
03795 off = 0;
03796 }
03797 s->dsp.put_signed_pixels_clamped(s->block[i], s->dest[dst_idx] + off, stride_y);
03798
03799 }
03800
03801 } else {
03802 mb_has_coeffs = ff_vc1_mbmode_intfrp[v->fourmvswitch][idx_mbmode][3];
03803 if (mb_has_coeffs)
03804 cbp = 1 + get_vlc2(&v->s.gb, v->cbpcy_vlc->table, VC1_CBPCY_P_VLC_BITS, 2);
03805 if (ff_vc1_mbmode_intfrp[v->fourmvswitch][idx_mbmode][0] == MV_PMODE_INTFR_2MV_FIELD) {
03806 v->twomvbp = get_vlc2(gb, v->twomvbp_vlc->table, VC1_2MV_BLOCK_PATTERN_VLC_BITS, 1);
03807 } else {
03808 if ((ff_vc1_mbmode_intfrp[v->fourmvswitch][idx_mbmode][0] == MV_PMODE_INTFR_4MV)
03809 || (ff_vc1_mbmode_intfrp[v->fourmvswitch][idx_mbmode][0] == MV_PMODE_INTFR_4MV_FIELD)) {
03810 v->fourmvbp = get_vlc2(gb, v->fourmvbp_vlc->table, VC1_4MV_BLOCK_PATTERN_VLC_BITS, 1);
03811 }
03812 }
03813 s->mb_intra = v->is_intra[s->mb_x] = 0;
03814 for (i = 0; i < 6; i++)
03815 v->mb_type[0][s->block_index[i]] = 0;
03816 fieldtx = v->fieldtx_plane[mb_pos] = ff_vc1_mbmode_intfrp[v->fourmvswitch][idx_mbmode][1];
03817
03818 dst_idx = 0;
03819 if (fourmv) {
03820 mvbp = v->fourmvbp;
03821 for (i = 0; i < 6; i++) {
03822 if (i < 4) {
03823 dmv_x = dmv_y = 0;
03824 val = ((mvbp >> (3 - i)) & 1);
03825 if (val) {
03826 get_mvdata_interlaced(v, &dmv_x, &dmv_y, 0);
03827 }
03828 vc1_pred_mv_intfr(v, i, dmv_x, dmv_y, 0, v->range_x, v->range_y, v->mb_type[0]);
03829 vc1_mc_4mv_luma(v, i, 0);
03830 } else if (i == 4) {
03831 vc1_mc_4mv_chroma4(v);
03832 }
03833 }
03834 } else if (twomv) {
03835 mvbp = v->twomvbp;
03836 dmv_x = dmv_y = 0;
03837 if (mvbp & 2) {
03838 get_mvdata_interlaced(v, &dmv_x, &dmv_y, 0);
03839 }
03840 vc1_pred_mv_intfr(v, 0, dmv_x, dmv_y, 2, v->range_x, v->range_y, v->mb_type[0]);
03841 vc1_mc_4mv_luma(v, 0, 0);
03842 vc1_mc_4mv_luma(v, 1, 0);
03843 dmv_x = dmv_y = 0;
03844 if (mvbp & 1) {
03845 get_mvdata_interlaced(v, &dmv_x, &dmv_y, 0);
03846 }
03847 vc1_pred_mv_intfr(v, 2, dmv_x, dmv_y, 2, v->range_x, v->range_y, v->mb_type[0]);
03848 vc1_mc_4mv_luma(v, 2, 0);
03849 vc1_mc_4mv_luma(v, 3, 0);
03850 vc1_mc_4mv_chroma4(v);
03851 } else {
03852 mvbp = ff_vc1_mbmode_intfrp[v->fourmvswitch][idx_mbmode][2];
03853 if (mvbp) {
03854 get_mvdata_interlaced(v, &dmv_x, &dmv_y, 0);
03855 }
03856 vc1_pred_mv_intfr(v, 0, dmv_x, dmv_y, 1, v->range_x, v->range_y, v->mb_type[0]);
03857 vc1_mc_1mv(v, 0);
03858 }
03859 if (cbp)
03860 GET_MQUANT();
03861 s->current_picture.f.qscale_table[mb_pos] = mquant;
03862 if (!v->ttmbf && cbp)
03863 ttmb = get_vlc2(gb, ff_vc1_ttmb_vlc[v->tt_index].table, VC1_TTMB_VLC_BITS, 2);
03864 for (i = 0; i < 6; i++) {
03865 s->dc_val[0][s->block_index[i]] = 0;
03866 dst_idx += i >> 2;
03867 val = ((cbp >> (5 - i)) & 1);
03868 if (!fieldtx)
03869 off = (i & 4) ? 0 : ((i & 1) * 8 + (i & 2) * 4 * s->linesize);
03870 else
03871 off = (i & 4) ? 0 : ((i & 1) * 8 + ((i > 1) * s->linesize));
03872 if (val) {
03873 pat = vc1_decode_p_block(v, s->block[i], i, mquant, ttmb,
03874 first_block, s->dest[dst_idx] + off,
03875 (i & 4) ? s->uvlinesize : (s->linesize << fieldtx),
03876 (i & 4) && (s->flags & CODEC_FLAG_GRAY), &block_tt);
03877 block_cbp |= pat << (i << 2);
03878 if (!v->ttmbf && ttmb < 8)
03879 ttmb = -1;
03880 first_block = 0;
03881 }
03882 }
03883 }
03884 } else {
03885 s->mb_intra = v->is_intra[s->mb_x] = 0;
03886 for (i = 0; i < 6; i++) {
03887 v->mb_type[0][s->block_index[i]] = 0;
03888 s->dc_val[0][s->block_index[i]] = 0;
03889 }
03890 s->current_picture.f.mb_type[mb_pos] = MB_TYPE_SKIP;
03891 s->current_picture.f.qscale_table[mb_pos] = 0;
03892 v->blk_mv_type[s->block_index[0]] = 0;
03893 v->blk_mv_type[s->block_index[1]] = 0;
03894 v->blk_mv_type[s->block_index[2]] = 0;
03895 v->blk_mv_type[s->block_index[3]] = 0;
03896 vc1_pred_mv_intfr(v, 0, 0, 0, 1, v->range_x, v->range_y, v->mb_type[0]);
03897 vc1_mc_1mv(v, 0);
03898 }
03899 if (s->mb_x == s->mb_width - 1)
03900 memmove(v->is_intra_base, v->is_intra, sizeof(v->is_intra_base[0])*s->mb_stride);
03901 return 0;
03902 }
03903
03904 static int vc1_decode_p_mb_intfi(VC1Context *v)
03905 {
03906 MpegEncContext *s = &v->s;
03907 GetBitContext *gb = &s->gb;
03908 int i;
03909 int mb_pos = s->mb_x + s->mb_y * s->mb_stride;
03910 int cbp = 0;
03911 int mqdiff, mquant;
03912 int ttmb = v->ttfrm;
03913
03914 int mb_has_coeffs = 1;
03915 int dmv_x, dmv_y;
03916 int val;
03917 int first_block = 1;
03918 int dst_idx, off;
03919 int pred_flag;
03920 int block_cbp = 0, pat, block_tt = 0;
03921 int idx_mbmode = 0;
03922
03923 mquant = v->pq;
03924
03925 idx_mbmode = get_vlc2(gb, v->mbmode_vlc->table, VC1_IF_MBMODE_VLC_BITS, 2);
03926 if (idx_mbmode <= 1) {
03927 s->mb_intra = v->is_intra[s->mb_x] = 1;
03928 s->current_picture.f.motion_val[1][s->block_index[0] + v->blocks_off][0] = 0;
03929 s->current_picture.f.motion_val[1][s->block_index[0] + v->blocks_off][1] = 0;
03930 s->current_picture.f.mb_type[mb_pos + v->mb_off] = MB_TYPE_INTRA;
03931 GET_MQUANT();
03932 s->current_picture.f.qscale_table[mb_pos] = mquant;
03933
03934 s->y_dc_scale = s->y_dc_scale_table[mquant];
03935 s->c_dc_scale = s->c_dc_scale_table[mquant];
03936 v->s.ac_pred = v->acpred_plane[mb_pos] = get_bits1(gb);
03937 mb_has_coeffs = idx_mbmode & 1;
03938 if (mb_has_coeffs)
03939 cbp = 1 + get_vlc2(&v->s.gb, v->cbpcy_vlc->table, VC1_ICBPCY_VLC_BITS, 2);
03940 dst_idx = 0;
03941 for (i = 0; i < 6; i++) {
03942 s->dc_val[0][s->block_index[i]] = 0;
03943 v->mb_type[0][s->block_index[i]] = 1;
03944 dst_idx += i >> 2;
03945 val = ((cbp >> (5 - i)) & 1);
03946 v->a_avail = v->c_avail = 0;
03947 if (i == 2 || i == 3 || !s->first_slice_line)
03948 v->a_avail = v->mb_type[0][s->block_index[i] - s->block_wrap[i]];
03949 if (i == 1 || i == 3 || s->mb_x)
03950 v->c_avail = v->mb_type[0][s->block_index[i] - 1];
03951
03952 vc1_decode_intra_block(v, s->block[i], i, val, mquant,
03953 (i & 4) ? v->codingset2 : v->codingset);
03954 if ((i>3) && (s->flags & CODEC_FLAG_GRAY))
03955 continue;
03956 v->vc1dsp.vc1_inv_trans_8x8(s->block[i]);
03957 off = (i & 4) ? 0 : ((i & 1) * 8 + (i & 2) * 4 * s->linesize);
03958 off += v->cur_field_type ? ((i & 4) ? s->current_picture_ptr->f.linesize[1] : s->current_picture_ptr->f.linesize[0]) : 0;
03959 s->dsp.put_signed_pixels_clamped(s->block[i], s->dest[dst_idx] + off, (i & 4) ? s->uvlinesize : s->linesize);
03960
03961 }
03962 } else {
03963 s->mb_intra = v->is_intra[s->mb_x] = 0;
03964 s->current_picture.f.mb_type[mb_pos + v->mb_off] = MB_TYPE_16x16;
03965 for (i = 0; i < 6; i++) v->mb_type[0][s->block_index[i]] = 0;
03966 if (idx_mbmode <= 5) {
03967 dmv_x = dmv_y = 0;
03968 if (idx_mbmode & 1) {
03969 get_mvdata_interlaced(v, &dmv_x, &dmv_y, &pred_flag);
03970 }
03971 vc1_pred_mv(v, 0, dmv_x, dmv_y, 1, v->range_x, v->range_y, v->mb_type[0], pred_flag, 0);
03972 vc1_mc_1mv(v, 0);
03973 mb_has_coeffs = !(idx_mbmode & 2);
03974 } else {
03975 v->fourmvbp = get_vlc2(gb, v->fourmvbp_vlc->table, VC1_4MV_BLOCK_PATTERN_VLC_BITS, 1);
03976 for (i = 0; i < 6; i++) {
03977 if (i < 4) {
03978 dmv_x = dmv_y = pred_flag = 0;
03979 val = ((v->fourmvbp >> (3 - i)) & 1);
03980 if (val) {
03981 get_mvdata_interlaced(v, &dmv_x, &dmv_y, &pred_flag);
03982 }
03983 vc1_pred_mv(v, i, dmv_x, dmv_y, 0, v->range_x, v->range_y, v->mb_type[0], pred_flag, 0);
03984 vc1_mc_4mv_luma(v, i, 0);
03985 } else if (i == 4)
03986 vc1_mc_4mv_chroma(v, 0);
03987 }
03988 mb_has_coeffs = idx_mbmode & 1;
03989 }
03990 if (mb_has_coeffs)
03991 cbp = 1 + get_vlc2(&v->s.gb, v->cbpcy_vlc->table, VC1_CBPCY_P_VLC_BITS, 2);
03992 if (cbp) {
03993 GET_MQUANT();
03994 }
03995 s->current_picture.f.qscale_table[mb_pos] = mquant;
03996 if (!v->ttmbf && cbp) {
03997 ttmb = get_vlc2(gb, ff_vc1_ttmb_vlc[v->tt_index].table, VC1_TTMB_VLC_BITS, 2);
03998 }
03999 dst_idx = 0;
04000 for (i = 0; i < 6; i++) {
04001 s->dc_val[0][s->block_index[i]] = 0;
04002 dst_idx += i >> 2;
04003 val = ((cbp >> (5 - i)) & 1);
04004 off = (i & 4) ? 0 : (i & 1) * 8 + (i & 2) * 4 * s->linesize;
04005 if (v->cur_field_type)
04006 off += (i & 4) ? s->current_picture_ptr->f.linesize[1] : s->current_picture_ptr->f.linesize[0];
04007 if (val) {
04008 pat = vc1_decode_p_block(v, s->block[i], i, mquant, ttmb,
04009 first_block, s->dest[dst_idx] + off,
04010 (i & 4) ? s->uvlinesize : s->linesize,
04011 (i & 4) && (s->flags & CODEC_FLAG_GRAY),
04012 &block_tt);
04013 block_cbp |= pat << (i << 2);
04014 if (!v->ttmbf && ttmb < 8) ttmb = -1;
04015 first_block = 0;
04016 }
04017 }
04018 }
04019 if (s->mb_x == s->mb_width - 1)
04020 memmove(v->is_intra_base, v->is_intra, sizeof(v->is_intra_base[0]) * s->mb_stride);
04021 return 0;
04022 }
04023
04026 static void vc1_decode_b_mb(VC1Context *v)
04027 {
04028 MpegEncContext *s = &v->s;
04029 GetBitContext *gb = &s->gb;
04030 int i, j;
04031 int mb_pos = s->mb_x + s->mb_y * s->mb_stride;
04032 int cbp = 0;
04033 int mqdiff, mquant;
04034 int ttmb = v->ttfrm;
04035 int mb_has_coeffs = 0;
04036 int index, index1;
04037 int val, sign;
04038 int first_block = 1;
04039 int dst_idx, off;
04040 int skipped, direct;
04041 int dmv_x[2], dmv_y[2];
04042 int bmvtype = BMV_TYPE_BACKWARD;
04043
04044 mquant = v->pq;
04045 s->mb_intra = 0;
04046
04047 if (v->dmb_is_raw)
04048 direct = get_bits1(gb);
04049 else
04050 direct = v->direct_mb_plane[mb_pos];
04051 if (v->skip_is_raw)
04052 skipped = get_bits1(gb);
04053 else
04054 skipped = v->s.mbskip_table[mb_pos];
04055
04056 dmv_x[0] = dmv_x[1] = dmv_y[0] = dmv_y[1] = 0;
04057 for (i = 0; i < 6; i++) {
04058 v->mb_type[0][s->block_index[i]] = 0;
04059 s->dc_val[0][s->block_index[i]] = 0;
04060 }
04061 s->current_picture.f.qscale_table[mb_pos] = 0;
04062
04063 if (!direct) {
04064 if (!skipped) {
04065 GET_MVDATA(dmv_x[0], dmv_y[0]);
04066 dmv_x[1] = dmv_x[0];
04067 dmv_y[1] = dmv_y[0];
04068 }
04069 if (skipped || !s->mb_intra) {
04070 bmvtype = decode012(gb);
04071 switch (bmvtype) {
04072 case 0:
04073 bmvtype = (v->bfraction >= (B_FRACTION_DEN/2)) ? BMV_TYPE_BACKWARD : BMV_TYPE_FORWARD;
04074 break;
04075 case 1:
04076 bmvtype = (v->bfraction >= (B_FRACTION_DEN/2)) ? BMV_TYPE_FORWARD : BMV_TYPE_BACKWARD;
04077 break;
04078 case 2:
04079 bmvtype = BMV_TYPE_INTERPOLATED;
04080 dmv_x[0] = dmv_y[0] = 0;
04081 }
04082 }
04083 }
04084 for (i = 0; i < 6; i++)
04085 v->mb_type[0][s->block_index[i]] = s->mb_intra;
04086
04087 if (skipped) {
04088 if (direct)
04089 bmvtype = BMV_TYPE_INTERPOLATED;
04090 vc1_pred_b_mv(v, dmv_x, dmv_y, direct, bmvtype);
04091 vc1_b_mc(v, dmv_x, dmv_y, direct, bmvtype);
04092 return;
04093 }
04094 if (direct) {
04095 cbp = get_vlc2(&v->s.gb, v->cbpcy_vlc->table, VC1_CBPCY_P_VLC_BITS, 2);
04096 GET_MQUANT();
04097 s->mb_intra = 0;
04098 s->current_picture.f.qscale_table[mb_pos] = mquant;
04099 if (!v->ttmbf)
04100 ttmb = get_vlc2(gb, ff_vc1_ttmb_vlc[v->tt_index].table, VC1_TTMB_VLC_BITS, 2);
04101 dmv_x[0] = dmv_y[0] = dmv_x[1] = dmv_y[1] = 0;
04102 vc1_pred_b_mv(v, dmv_x, dmv_y, direct, bmvtype);
04103 vc1_b_mc(v, dmv_x, dmv_y, direct, bmvtype);
04104 } else {
04105 if (!mb_has_coeffs && !s->mb_intra) {
04106
04107 vc1_pred_b_mv(v, dmv_x, dmv_y, direct, bmvtype);
04108 vc1_b_mc(v, dmv_x, dmv_y, direct, bmvtype);
04109 return;
04110 }
04111 if (s->mb_intra && !mb_has_coeffs) {
04112 GET_MQUANT();
04113 s->current_picture.f.qscale_table[mb_pos] = mquant;
04114 s->ac_pred = get_bits1(gb);
04115 cbp = 0;
04116 vc1_pred_b_mv(v, dmv_x, dmv_y, direct, bmvtype);
04117 } else {
04118 if (bmvtype == BMV_TYPE_INTERPOLATED) {
04119 GET_MVDATA(dmv_x[0], dmv_y[0]);
04120 if (!mb_has_coeffs) {
04121
04122 vc1_pred_b_mv(v, dmv_x, dmv_y, direct, bmvtype);
04123 vc1_b_mc(v, dmv_x, dmv_y, direct, bmvtype);
04124 return;
04125 }
04126 }
04127 vc1_pred_b_mv(v, dmv_x, dmv_y, direct, bmvtype);
04128 if (!s->mb_intra) {
04129 vc1_b_mc(v, dmv_x, dmv_y, direct, bmvtype);
04130 }
04131 if (s->mb_intra)
04132 s->ac_pred = get_bits1(gb);
04133 cbp = get_vlc2(&v->s.gb, v->cbpcy_vlc->table, VC1_CBPCY_P_VLC_BITS, 2);
04134 GET_MQUANT();
04135 s->current_picture.f.qscale_table[mb_pos] = mquant;
04136 if (!v->ttmbf && !s->mb_intra && mb_has_coeffs)
04137 ttmb = get_vlc2(gb, ff_vc1_ttmb_vlc[v->tt_index].table, VC1_TTMB_VLC_BITS, 2);
04138 }
04139 }
04140 dst_idx = 0;
04141 for (i = 0; i < 6; i++) {
04142 s->dc_val[0][s->block_index[i]] = 0;
04143 dst_idx += i >> 2;
04144 val = ((cbp >> (5 - i)) & 1);
04145 off = (i & 4) ? 0 : ((i & 1) * 8 + (i & 2) * 4 * s->linesize);
04146 v->mb_type[0][s->block_index[i]] = s->mb_intra;
04147 if (s->mb_intra) {
04148
04149 v->a_avail = v->c_avail = 0;
04150 if (i == 2 || i == 3 || !s->first_slice_line)
04151 v->a_avail = v->mb_type[0][s->block_index[i] - s->block_wrap[i]];
04152 if (i == 1 || i == 3 || s->mb_x)
04153 v->c_avail = v->mb_type[0][s->block_index[i] - 1];
04154
04155 vc1_decode_intra_block(v, s->block[i], i, val, mquant,
04156 (i & 4) ? v->codingset2 : v->codingset);
04157 if ((i>3) && (s->flags & CODEC_FLAG_GRAY))
04158 continue;
04159 v->vc1dsp.vc1_inv_trans_8x8(s->block[i]);
04160 if (v->rangeredfrm)
04161 for (j = 0; j < 64; j++)
04162 s->block[i][j] <<= 1;
04163 s->dsp.put_signed_pixels_clamped(s->block[i], s->dest[dst_idx] + off, i & 4 ? s->uvlinesize : s->linesize);
04164 } else if (val) {
04165 vc1_decode_p_block(v, s->block[i], i, mquant, ttmb,
04166 first_block, s->dest[dst_idx] + off,
04167 (i & 4) ? s->uvlinesize : s->linesize,
04168 (i & 4) && (s->flags & CODEC_FLAG_GRAY), NULL);
04169 if (!v->ttmbf && ttmb < 8)
04170 ttmb = -1;
04171 first_block = 0;
04172 }
04173 }
04174 }
04175
04178 static void vc1_decode_b_mb_intfi(VC1Context *v)
04179 {
04180 MpegEncContext *s = &v->s;
04181 GetBitContext *gb = &s->gb;
04182 int i, j;
04183 int mb_pos = s->mb_x + s->mb_y * s->mb_stride;
04184 int cbp = 0;
04185 int mqdiff, mquant;
04186 int ttmb = v->ttfrm;
04187 int mb_has_coeffs = 0;
04188 int val;
04189 int first_block = 1;
04190 int dst_idx, off;
04191 int fwd;
04192 int dmv_x[2], dmv_y[2], pred_flag[2];
04193 int bmvtype = BMV_TYPE_BACKWARD;
04194 int idx_mbmode, interpmvp;
04195
04196 mquant = v->pq;
04197 s->mb_intra = 0;
04198
04199 idx_mbmode = get_vlc2(gb, v->mbmode_vlc->table, VC1_IF_MBMODE_VLC_BITS, 2);
04200 if (idx_mbmode <= 1) {
04201 s->mb_intra = v->is_intra[s->mb_x] = 1;
04202 s->current_picture.f.motion_val[1][s->block_index[0]][0] = 0;
04203 s->current_picture.f.motion_val[1][s->block_index[0]][1] = 0;
04204 s->current_picture.f.mb_type[mb_pos + v->mb_off] = MB_TYPE_INTRA;
04205 GET_MQUANT();
04206 s->current_picture.f.qscale_table[mb_pos] = mquant;
04207
04208 s->y_dc_scale = s->y_dc_scale_table[mquant];
04209 s->c_dc_scale = s->c_dc_scale_table[mquant];
04210 v->s.ac_pred = v->acpred_plane[mb_pos] = get_bits1(gb);
04211 mb_has_coeffs = idx_mbmode & 1;
04212 if (mb_has_coeffs)
04213 cbp = 1 + get_vlc2(&v->s.gb, v->cbpcy_vlc->table, VC1_ICBPCY_VLC_BITS, 2);
04214 dst_idx = 0;
04215 for (i = 0; i < 6; i++) {
04216 s->dc_val[0][s->block_index[i]] = 0;
04217 dst_idx += i >> 2;
04218 val = ((cbp >> (5 - i)) & 1);
04219 v->mb_type[0][s->block_index[i]] = s->mb_intra;
04220 v->a_avail = v->c_avail = 0;
04221 if (i == 2 || i == 3 || !s->first_slice_line)
04222 v->a_avail = v->mb_type[0][s->block_index[i] - s->block_wrap[i]];
04223 if (i == 1 || i == 3 || s->mb_x)
04224 v->c_avail = v->mb_type[0][s->block_index[i] - 1];
04225
04226 vc1_decode_intra_block(v, s->block[i], i, val, mquant,
04227 (i & 4) ? v->codingset2 : v->codingset);
04228 if ((i>3) && (s->flags & CODEC_FLAG_GRAY))
04229 continue;
04230 v->vc1dsp.vc1_inv_trans_8x8(s->block[i]);
04231 if (v->rangeredfrm)
04232 for (j = 0; j < 64; j++)
04233 s->block[i][j] <<= 1;
04234 off = (i & 4) ? 0 : ((i & 1) * 8 + (i & 2) * 4 * s->linesize);
04235 off += v->cur_field_type ? ((i & 4) ? s->current_picture_ptr->f.linesize[1] : s->current_picture_ptr->f.linesize[0]) : 0;
04236 s->dsp.put_signed_pixels_clamped(s->block[i], s->dest[dst_idx] + off, (i & 4) ? s->uvlinesize : s->linesize);
04237
04238 }
04239 } else {
04240 s->mb_intra = v->is_intra[s->mb_x] = 0;
04241 s->current_picture.f.mb_type[mb_pos + v->mb_off] = MB_TYPE_16x16;
04242 for (i = 0; i < 6; i++) v->mb_type[0][s->block_index[i]] = 0;
04243 if (v->fmb_is_raw)
04244 fwd = v->forward_mb_plane[mb_pos] = get_bits1(gb);
04245 else
04246 fwd = v->forward_mb_plane[mb_pos];
04247 if (idx_mbmode <= 5) {
04248 dmv_x[0] = dmv_x[1] = dmv_y[0] = dmv_y[1] = 0;
04249 pred_flag[0] = pred_flag[1] = 0;
04250 if (fwd)
04251 bmvtype = BMV_TYPE_FORWARD;
04252 else {
04253 bmvtype = decode012(gb);
04254 switch (bmvtype) {
04255 case 0:
04256 bmvtype = BMV_TYPE_BACKWARD;
04257 break;
04258 case 1:
04259 bmvtype = BMV_TYPE_DIRECT;
04260 break;
04261 case 2:
04262 bmvtype = BMV_TYPE_INTERPOLATED;
04263 interpmvp = get_bits1(gb);
04264 }
04265 }
04266 v->bmvtype = bmvtype;
04267 if (bmvtype != BMV_TYPE_DIRECT && idx_mbmode & 1) {
04268 get_mvdata_interlaced(v, &dmv_x[bmvtype == BMV_TYPE_BACKWARD], &dmv_y[bmvtype == BMV_TYPE_BACKWARD], &pred_flag[bmvtype == BMV_TYPE_BACKWARD]);
04269 }
04270 if (bmvtype == BMV_TYPE_INTERPOLATED && interpmvp) {
04271 get_mvdata_interlaced(v, &dmv_x[1], &dmv_y[1], &pred_flag[1]);
04272 }
04273 if (bmvtype == BMV_TYPE_DIRECT) {
04274 dmv_x[0] = dmv_y[0] = pred_flag[0] = 0;
04275 dmv_x[1] = dmv_y[1] = pred_flag[0] = 0;
04276 }
04277 vc1_pred_b_mv_intfi(v, 0, dmv_x, dmv_y, 1, pred_flag);
04278 vc1_b_mc(v, dmv_x, dmv_y, (bmvtype == BMV_TYPE_DIRECT), bmvtype);
04279 mb_has_coeffs = !(idx_mbmode & 2);
04280 } else {
04281 if (fwd)
04282 bmvtype = BMV_TYPE_FORWARD;
04283 v->bmvtype = bmvtype;
04284 v->fourmvbp = get_vlc2(gb, v->fourmvbp_vlc->table, VC1_4MV_BLOCK_PATTERN_VLC_BITS, 1);
04285 for (i = 0; i < 6; i++) {
04286 if (i < 4) {
04287 dmv_x[0] = dmv_y[0] = pred_flag[0] = 0;
04288 dmv_x[1] = dmv_y[1] = pred_flag[1] = 0;
04289 val = ((v->fourmvbp >> (3 - i)) & 1);
04290 if (val) {
04291 get_mvdata_interlaced(v, &dmv_x[bmvtype == BMV_TYPE_BACKWARD],
04292 &dmv_y[bmvtype == BMV_TYPE_BACKWARD],
04293 &pred_flag[bmvtype == BMV_TYPE_BACKWARD]);
04294 }
04295 vc1_pred_b_mv_intfi(v, i, dmv_x, dmv_y, 0, pred_flag);
04296 vc1_mc_4mv_luma(v, i, bmvtype == BMV_TYPE_BACKWARD);
04297 } else if (i == 4)
04298 vc1_mc_4mv_chroma(v, bmvtype == BMV_TYPE_BACKWARD);
04299 }
04300 mb_has_coeffs = idx_mbmode & 1;
04301 }
04302 if (mb_has_coeffs)
04303 cbp = 1 + get_vlc2(&v->s.gb, v->cbpcy_vlc->table, VC1_CBPCY_P_VLC_BITS, 2);
04304 if (cbp) {
04305 GET_MQUANT();
04306 }
04307 s->current_picture.f.qscale_table[mb_pos] = mquant;
04308 if (!v->ttmbf && cbp) {
04309 ttmb = get_vlc2(gb, ff_vc1_ttmb_vlc[v->tt_index].table, VC1_TTMB_VLC_BITS, 2);
04310 }
04311 dst_idx = 0;
04312 for (i = 0; i < 6; i++) {
04313 s->dc_val[0][s->block_index[i]] = 0;
04314 dst_idx += i >> 2;
04315 val = ((cbp >> (5 - i)) & 1);
04316 off = (i & 4) ? 0 : (i & 1) * 8 + (i & 2) * 4 * s->linesize;
04317 if (v->cur_field_type)
04318 off += (i & 4) ? s->current_picture_ptr->f.linesize[1] : s->current_picture_ptr->f.linesize[0];
04319 if (val) {
04320 vc1_decode_p_block(v, s->block[i], i, mquant, ttmb,
04321 first_block, s->dest[dst_idx] + off,
04322 (i & 4) ? s->uvlinesize : s->linesize,
04323 (i & 4) && (s->flags & CODEC_FLAG_GRAY), NULL);
04324 if (!v->ttmbf && ttmb < 8)
04325 ttmb = -1;
04326 first_block = 0;
04327 }
04328 }
04329 }
04330 }
04331
04334 static void vc1_decode_i_blocks(VC1Context *v)
04335 {
04336 int k, j;
04337 MpegEncContext *s = &v->s;
04338 int cbp, val;
04339 uint8_t *coded_val;
04340 int mb_pos;
04341
04342
04343 switch (v->y_ac_table_index) {
04344 case 0:
04345 v->codingset = (v->pqindex <= 8) ? CS_HIGH_RATE_INTRA : CS_LOW_MOT_INTRA;
04346 break;
04347 case 1:
04348 v->codingset = CS_HIGH_MOT_INTRA;
04349 break;
04350 case 2:
04351 v->codingset = CS_MID_RATE_INTRA;
04352 break;
04353 }
04354
04355 switch (v->c_ac_table_index) {
04356 case 0:
04357 v->codingset2 = (v->pqindex <= 8) ? CS_HIGH_RATE_INTER : CS_LOW_MOT_INTER;
04358 break;
04359 case 1:
04360 v->codingset2 = CS_HIGH_MOT_INTER;
04361 break;
04362 case 2:
04363 v->codingset2 = CS_MID_RATE_INTER;
04364 break;
04365 }
04366
04367
04368 s->y_dc_scale = s->y_dc_scale_table[v->pq];
04369 s->c_dc_scale = s->c_dc_scale_table[v->pq];
04370
04371
04372 s->mb_x = s->mb_y = 0;
04373 s->mb_intra = 1;
04374 s->first_slice_line = 1;
04375 for (s->mb_y = 0; s->mb_y < s->mb_height; s->mb_y++) {
04376 s->mb_x = 0;
04377 ff_init_block_index(s);
04378 for (; s->mb_x < s->mb_width; s->mb_x++) {
04379 uint8_t *dst[6];
04380 ff_update_block_index(s);
04381 dst[0] = s->dest[0];
04382 dst[1] = dst[0] + 8;
04383 dst[2] = s->dest[0] + s->linesize * 8;
04384 dst[3] = dst[2] + 8;
04385 dst[4] = s->dest[1];
04386 dst[5] = s->dest[2];
04387 s->dsp.clear_blocks(s->block[0]);
04388 mb_pos = s->mb_x + s->mb_y * s->mb_width;
04389 s->current_picture.f.mb_type[mb_pos] = MB_TYPE_INTRA;
04390 s->current_picture.f.qscale_table[mb_pos] = v->pq;
04391 s->current_picture.f.motion_val[1][s->block_index[0]][0] = 0;
04392 s->current_picture.f.motion_val[1][s->block_index[0]][1] = 0;
04393
04394
04395 cbp = get_vlc2(&v->s.gb, ff_msmp4_mb_i_vlc.table, MB_INTRA_VLC_BITS, 2);
04396 v->s.ac_pred = get_bits1(&v->s.gb);
04397
04398 for (k = 0; k < 6; k++) {
04399 val = ((cbp >> (5 - k)) & 1);
04400
04401 if (k < 4) {
04402 int pred = vc1_coded_block_pred(&v->s, k, &coded_val);
04403 val = val ^ pred;
04404 *coded_val = val;
04405 }
04406 cbp |= val << (5 - k);
04407
04408 vc1_decode_i_block(v, s->block[k], k, val, (k < 4) ? v->codingset : v->codingset2);
04409
04410 if (k > 3 && (s->flags & CODEC_FLAG_GRAY))
04411 continue;
04412 v->vc1dsp.vc1_inv_trans_8x8(s->block[k]);
04413 if (v->pq >= 9 && v->overlap) {
04414 if (v->rangeredfrm)
04415 for (j = 0; j < 64; j++)
04416 s->block[k][j] <<= 1;
04417 s->dsp.put_signed_pixels_clamped(s->block[k], dst[k], k & 4 ? s->uvlinesize : s->linesize);
04418 } else {
04419 if (v->rangeredfrm)
04420 for (j = 0; j < 64; j++)
04421 s->block[k][j] = (s->block[k][j] - 64) << 1;
04422 s->dsp.put_pixels_clamped(s->block[k], dst[k], k & 4 ? s->uvlinesize : s->linesize);
04423 }
04424 }
04425
04426 if (v->pq >= 9 && v->overlap) {
04427 if (s->mb_x) {
04428 v->vc1dsp.vc1_h_overlap(s->dest[0], s->linesize);
04429 v->vc1dsp.vc1_h_overlap(s->dest[0] + 8 * s->linesize, s->linesize);
04430 if (!(s->flags & CODEC_FLAG_GRAY)) {
04431 v->vc1dsp.vc1_h_overlap(s->dest[1], s->uvlinesize);
04432 v->vc1dsp.vc1_h_overlap(s->dest[2], s->uvlinesize);
04433 }
04434 }
04435 v->vc1dsp.vc1_h_overlap(s->dest[0] + 8, s->linesize);
04436 v->vc1dsp.vc1_h_overlap(s->dest[0] + 8 * s->linesize + 8, s->linesize);
04437 if (!s->first_slice_line) {
04438 v->vc1dsp.vc1_v_overlap(s->dest[0], s->linesize);
04439 v->vc1dsp.vc1_v_overlap(s->dest[0] + 8, s->linesize);
04440 if (!(s->flags & CODEC_FLAG_GRAY)) {
04441 v->vc1dsp.vc1_v_overlap(s->dest[1], s->uvlinesize);
04442 v->vc1dsp.vc1_v_overlap(s->dest[2], s->uvlinesize);
04443 }
04444 }
04445 v->vc1dsp.vc1_v_overlap(s->dest[0] + 8 * s->linesize, s->linesize);
04446 v->vc1dsp.vc1_v_overlap(s->dest[0] + 8 * s->linesize + 8, s->linesize);
04447 }
04448 if (v->s.loop_filter) vc1_loop_filter_iblk(v, v->pq);
04449
04450 if (get_bits_count(&s->gb) > v->bits) {
04451 ff_er_add_slice(s, 0, 0, s->mb_x, s->mb_y, ER_MB_ERROR);
04452 av_log(s->avctx, AV_LOG_ERROR, "Bits overconsumption: %i > %i\n",
04453 get_bits_count(&s->gb), v->bits);
04454 return;
04455 }
04456 }
04457 if (!v->s.loop_filter)
04458 ff_draw_horiz_band(s, s->mb_y * 16, 16);
04459 else if (s->mb_y)
04460 ff_draw_horiz_band(s, (s->mb_y - 1) * 16, 16);
04461
04462 s->first_slice_line = 0;
04463 }
04464 if (v->s.loop_filter)
04465 ff_draw_horiz_band(s, (s->mb_height - 1) * 16, 16);
04466 ff_er_add_slice(s, 0, 0, s->mb_width - 1, s->mb_height - 1, ER_MB_END);
04467 }
04468
04471 static void vc1_decode_i_blocks_adv(VC1Context *v)
04472 {
04473 int k;
04474 MpegEncContext *s = &v->s;
04475 int cbp, val;
04476 uint8_t *coded_val;
04477 int mb_pos;
04478 int mquant = v->pq;
04479 int mqdiff;
04480 GetBitContext *gb = &s->gb;
04481
04482
04483 switch (v->y_ac_table_index) {
04484 case 0:
04485 v->codingset = (v->pqindex <= 8) ? CS_HIGH_RATE_INTRA : CS_LOW_MOT_INTRA;
04486 break;
04487 case 1:
04488 v->codingset = CS_HIGH_MOT_INTRA;
04489 break;
04490 case 2:
04491 v->codingset = CS_MID_RATE_INTRA;
04492 break;
04493 }
04494
04495 switch (v->c_ac_table_index) {
04496 case 0:
04497 v->codingset2 = (v->pqindex <= 8) ? CS_HIGH_RATE_INTER : CS_LOW_MOT_INTER;
04498 break;
04499 case 1:
04500 v->codingset2 = CS_HIGH_MOT_INTER;
04501 break;
04502 case 2:
04503 v->codingset2 = CS_MID_RATE_INTER;
04504 break;
04505 }
04506
04507
04508 s->mb_x = s->mb_y = 0;
04509 s->mb_intra = 1;
04510 s->first_slice_line = 1;
04511 s->mb_y = s->start_mb_y;
04512 if (s->start_mb_y) {
04513 s->mb_x = 0;
04514 ff_init_block_index(s);
04515 memset(&s->coded_block[s->block_index[0] - s->b8_stride], 0,
04516 (1 + s->b8_stride) * sizeof(*s->coded_block));
04517 }
04518 for (; s->mb_y < s->end_mb_y; s->mb_y++) {
04519 s->mb_x = 0;
04520 ff_init_block_index(s);
04521 for (;s->mb_x < s->mb_width; s->mb_x++) {
04522 DCTELEM (*block)[64] = v->block[v->cur_blk_idx];
04523 ff_update_block_index(s);
04524 s->dsp.clear_blocks(block[0]);
04525 mb_pos = s->mb_x + s->mb_y * s->mb_stride;
04526 s->current_picture.f.mb_type[mb_pos + v->mb_off] = MB_TYPE_INTRA;
04527 s->current_picture.f.motion_val[1][s->block_index[0] + v->blocks_off][0] = 0;
04528 s->current_picture.f.motion_val[1][s->block_index[0] + v->blocks_off][1] = 0;
04529
04530
04531 if (v->fieldtx_is_raw)
04532 v->fieldtx_plane[mb_pos] = get_bits1(&v->s.gb);
04533 cbp = get_vlc2(&v->s.gb, ff_msmp4_mb_i_vlc.table, MB_INTRA_VLC_BITS, 2);
04534 if ( v->acpred_is_raw)
04535 v->s.ac_pred = get_bits1(&v->s.gb);
04536 else
04537 v->s.ac_pred = v->acpred_plane[mb_pos];
04538
04539 if (v->condover == CONDOVER_SELECT && v->overflg_is_raw)
04540 v->over_flags_plane[mb_pos] = get_bits1(&v->s.gb);
04541
04542 GET_MQUANT();
04543
04544 s->current_picture.f.qscale_table[mb_pos] = mquant;
04545
04546 s->y_dc_scale = s->y_dc_scale_table[mquant];
04547 s->c_dc_scale = s->c_dc_scale_table[mquant];
04548
04549 for (k = 0; k < 6; k++) {
04550 val = ((cbp >> (5 - k)) & 1);
04551
04552 if (k < 4) {
04553 int pred = vc1_coded_block_pred(&v->s, k, &coded_val);
04554 val = val ^ pred;
04555 *coded_val = val;
04556 }
04557 cbp |= val << (5 - k);
04558
04559 v->a_avail = !s->first_slice_line || (k == 2 || k == 3);
04560 v->c_avail = !!s->mb_x || (k == 1 || k == 3);
04561
04562 vc1_decode_i_block_adv(v, block[k], k, val,
04563 (k < 4) ? v->codingset : v->codingset2, mquant);
04564
04565 if (k > 3 && (s->flags & CODEC_FLAG_GRAY))
04566 continue;
04567 v->vc1dsp.vc1_inv_trans_8x8(block[k]);
04568 }
04569
04570 vc1_smooth_overlap_filter_iblk(v);
04571 vc1_put_signed_blocks_clamped(v);
04572 if (v->s.loop_filter) vc1_loop_filter_iblk_delayed(v, v->pq);
04573
04574 if (get_bits_count(&s->gb) > v->bits) {
04575
04576 ff_er_add_slice(s, 0, s->start_mb_y, s->mb_x, s->mb_y, ER_MB_ERROR);
04577 av_log(s->avctx, AV_LOG_ERROR, "Bits overconsumption: %i > %i\n",
04578 get_bits_count(&s->gb), v->bits);
04579 return;
04580 }
04581 }
04582 if (!v->s.loop_filter)
04583 ff_draw_horiz_band(s, s->mb_y * 16, 16);
04584 else if (s->mb_y)
04585 ff_draw_horiz_band(s, (s->mb_y-1) * 16, 16);
04586 s->first_slice_line = 0;
04587 }
04588
04589
04590 s->mb_x = 0;
04591 ff_init_block_index(s);
04592 for (;s->mb_x < s->mb_width; s->mb_x++) {
04593 ff_update_block_index(s);
04594 vc1_put_signed_blocks_clamped(v);
04595 if (v->s.loop_filter)
04596 vc1_loop_filter_iblk_delayed(v, v->pq);
04597 }
04598 if (v->s.loop_filter)
04599 ff_draw_horiz_band(s, (s->end_mb_y-1)*16, 16);
04600 ff_er_add_slice(s, 0, s->start_mb_y << v->field_mode, s->mb_width - 1,
04601 (s->end_mb_y << v->field_mode) - 1, ER_MB_END);
04602 }
04603
04604 static void vc1_decode_p_blocks(VC1Context *v)
04605 {
04606 MpegEncContext *s = &v->s;
04607 int apply_loop_filter;
04608
04609
04610 switch (v->c_ac_table_index) {
04611 case 0:
04612 v->codingset = (v->pqindex <= 8) ? CS_HIGH_RATE_INTRA : CS_LOW_MOT_INTRA;
04613 break;
04614 case 1:
04615 v->codingset = CS_HIGH_MOT_INTRA;
04616 break;
04617 case 2:
04618 v->codingset = CS_MID_RATE_INTRA;
04619 break;
04620 }
04621
04622 switch (v->c_ac_table_index) {
04623 case 0:
04624 v->codingset2 = (v->pqindex <= 8) ? CS_HIGH_RATE_INTER : CS_LOW_MOT_INTER;
04625 break;
04626 case 1:
04627 v->codingset2 = CS_HIGH_MOT_INTER;
04628 break;
04629 case 2:
04630 v->codingset2 = CS_MID_RATE_INTER;
04631 break;
04632 }
04633
04634 apply_loop_filter = s->loop_filter && !(s->avctx->skip_loop_filter >= AVDISCARD_NONKEY);
04635 s->first_slice_line = 1;
04636 memset(v->cbp_base, 0, sizeof(v->cbp_base[0])*2*s->mb_stride);
04637 for (s->mb_y = s->start_mb_y; s->mb_y < s->end_mb_y; s->mb_y++) {
04638 s->mb_x = 0;
04639 ff_init_block_index(s);
04640 for (; s->mb_x < s->mb_width; s->mb_x++) {
04641 ff_update_block_index(s);
04642
04643 if (v->fcm == ILACE_FIELD)
04644 vc1_decode_p_mb_intfi(v);
04645 else if (v->fcm == ILACE_FRAME)
04646 vc1_decode_p_mb_intfr(v);
04647 else vc1_decode_p_mb(v);
04648 if (s->mb_y != s->start_mb_y && apply_loop_filter && v->fcm == PROGRESSIVE)
04649 vc1_apply_p_loop_filter(v);
04650 if (get_bits_count(&s->gb) > v->bits || get_bits_count(&s->gb) < 0) {
04651
04652 ff_er_add_slice(s, 0, s->start_mb_y, s->mb_x, s->mb_y, ER_MB_ERROR);
04653 av_log(s->avctx, AV_LOG_ERROR, "Bits overconsumption: %i > %i at %ix%i\n",
04654 get_bits_count(&s->gb), v->bits, s->mb_x, s->mb_y);
04655 return;
04656 }
04657 }
04658 memmove(v->cbp_base, v->cbp, sizeof(v->cbp_base[0]) * s->mb_stride);
04659 memmove(v->ttblk_base, v->ttblk, sizeof(v->ttblk_base[0]) * s->mb_stride);
04660 memmove(v->is_intra_base, v->is_intra, sizeof(v->is_intra_base[0]) * s->mb_stride);
04661 memmove(v->luma_mv_base, v->luma_mv, sizeof(v->luma_mv_base[0]) * s->mb_stride);
04662 if (s->mb_y != s->start_mb_y) ff_draw_horiz_band(s, (s->mb_y - 1) * 16, 16);
04663 s->first_slice_line = 0;
04664 }
04665 if (apply_loop_filter) {
04666 s->mb_x = 0;
04667 ff_init_block_index(s);
04668 for (; s->mb_x < s->mb_width; s->mb_x++) {
04669 ff_update_block_index(s);
04670 vc1_apply_p_loop_filter(v);
04671 }
04672 }
04673 if (s->end_mb_y >= s->start_mb_y)
04674 ff_draw_horiz_band(s, (s->end_mb_y - 1) * 16, 16);
04675 ff_er_add_slice(s, 0, s->start_mb_y << v->field_mode, s->mb_width - 1,
04676 (s->end_mb_y << v->field_mode) - 1, ER_MB_END);
04677 }
04678
04679 static void vc1_decode_b_blocks(VC1Context *v)
04680 {
04681 MpegEncContext *s = &v->s;
04682
04683
04684 switch (v->c_ac_table_index) {
04685 case 0:
04686 v->codingset = (v->pqindex <= 8) ? CS_HIGH_RATE_INTRA : CS_LOW_MOT_INTRA;
04687 break;
04688 case 1:
04689 v->codingset = CS_HIGH_MOT_INTRA;
04690 break;
04691 case 2:
04692 v->codingset = CS_MID_RATE_INTRA;
04693 break;
04694 }
04695
04696 switch (v->c_ac_table_index) {
04697 case 0:
04698 v->codingset2 = (v->pqindex <= 8) ? CS_HIGH_RATE_INTER : CS_LOW_MOT_INTER;
04699 break;
04700 case 1:
04701 v->codingset2 = CS_HIGH_MOT_INTER;
04702 break;
04703 case 2:
04704 v->codingset2 = CS_MID_RATE_INTER;
04705 break;
04706 }
04707
04708 s->first_slice_line = 1;
04709 for (s->mb_y = s->start_mb_y; s->mb_y < s->end_mb_y; s->mb_y++) {
04710 s->mb_x = 0;
04711 ff_init_block_index(s);
04712 for (; s->mb_x < s->mb_width; s->mb_x++) {
04713 ff_update_block_index(s);
04714
04715 if (v->fcm == ILACE_FIELD)
04716 vc1_decode_b_mb_intfi(v);
04717 else
04718 vc1_decode_b_mb(v);
04719 if (get_bits_count(&s->gb) > v->bits || get_bits_count(&s->gb) < 0) {
04720
04721 ff_er_add_slice(s, 0, s->start_mb_y, s->mb_x, s->mb_y, ER_MB_ERROR);
04722 av_log(s->avctx, AV_LOG_ERROR, "Bits overconsumption: %i > %i at %ix%i\n",
04723 get_bits_count(&s->gb), v->bits, s->mb_x, s->mb_y);
04724 return;
04725 }
04726 if (v->s.loop_filter) vc1_loop_filter_iblk(v, v->pq);
04727 }
04728 if (!v->s.loop_filter)
04729 ff_draw_horiz_band(s, s->mb_y * 16, 16);
04730 else if (s->mb_y)
04731 ff_draw_horiz_band(s, (s->mb_y - 1) * 16, 16);
04732 s->first_slice_line = 0;
04733 }
04734 if (v->s.loop_filter)
04735 ff_draw_horiz_band(s, (s->end_mb_y - 1) * 16, 16);
04736 ff_er_add_slice(s, 0, s->start_mb_y << v->field_mode, s->mb_width - 1,
04737 (s->end_mb_y << v->field_mode) - 1, ER_MB_END);
04738 }
04739
04740 static void vc1_decode_skip_blocks(VC1Context *v)
04741 {
04742 MpegEncContext *s = &v->s;
04743
04744 if (!v->s.last_picture.f.data[0])
04745 return;
04746
04747 ff_er_add_slice(s, 0, s->start_mb_y, s->mb_width - 1, s->end_mb_y - 1, ER_MB_END);
04748 s->first_slice_line = 1;
04749 for (s->mb_y = s->start_mb_y; s->mb_y < s->end_mb_y; s->mb_y++) {
04750 s->mb_x = 0;
04751 ff_init_block_index(s);
04752 ff_update_block_index(s);
04753 memcpy(s->dest[0], s->last_picture.f.data[0] + s->mb_y * 16 * s->linesize, s->linesize * 16);
04754 memcpy(s->dest[1], s->last_picture.f.data[1] + s->mb_y * 8 * s->uvlinesize, s->uvlinesize * 8);
04755 memcpy(s->dest[2], s->last_picture.f.data[2] + s->mb_y * 8 * s->uvlinesize, s->uvlinesize * 8);
04756 ff_draw_horiz_band(s, s->mb_y * 16, 16);
04757 s->first_slice_line = 0;
04758 }
04759 s->pict_type = AV_PICTURE_TYPE_P;
04760 }
04761
04762 static void vc1_decode_blocks(VC1Context *v)
04763 {
04764
04765 v->s.esc3_level_length = 0;
04766 if (v->x8_type) {
04767 ff_intrax8_decode_picture(&v->x8, 2*v->pq + v->halfpq, v->pq * !v->pquantizer);
04768 } else {
04769 v->cur_blk_idx = 0;
04770 v->left_blk_idx = -1;
04771 v->topleft_blk_idx = 1;
04772 v->top_blk_idx = 2;
04773 switch (v->s.pict_type) {
04774 case AV_PICTURE_TYPE_I:
04775 if (v->profile == PROFILE_ADVANCED)
04776 vc1_decode_i_blocks_adv(v);
04777 else
04778 vc1_decode_i_blocks(v);
04779 break;
04780 case AV_PICTURE_TYPE_P:
04781 if (v->p_frame_skipped)
04782 vc1_decode_skip_blocks(v);
04783 else
04784 vc1_decode_p_blocks(v);
04785 break;
04786 case AV_PICTURE_TYPE_B:
04787 if (v->bi_type) {
04788 if (v->profile == PROFILE_ADVANCED)
04789 vc1_decode_i_blocks_adv(v);
04790 else
04791 vc1_decode_i_blocks(v);
04792 } else
04793 vc1_decode_b_blocks(v);
04794 break;
04795 }
04796 }
04797 }
04798
04799 #if CONFIG_WMV3IMAGE_DECODER || CONFIG_VC1IMAGE_DECODER
04800
04801 typedef struct {
04813 int coefs[2][7];
04814
04815 int effect_type, effect_flag;
04816 int effect_pcount1, effect_pcount2;
04817 int effect_params1[15], effect_params2[10];
04818 } SpriteData;
04819
04820 static inline int get_fp_val(GetBitContext* gb)
04821 {
04822 return (get_bits_long(gb, 30) - (1 << 29)) << 1;
04823 }
04824
04825 static void vc1_sprite_parse_transform(GetBitContext* gb, int c[7])
04826 {
04827 c[1] = c[3] = 0;
04828
04829 switch (get_bits(gb, 2)) {
04830 case 0:
04831 c[0] = 1 << 16;
04832 c[2] = get_fp_val(gb);
04833 c[4] = 1 << 16;
04834 break;
04835 case 1:
04836 c[0] = c[4] = get_fp_val(gb);
04837 c[2] = get_fp_val(gb);
04838 break;
04839 case 2:
04840 c[0] = get_fp_val(gb);
04841 c[2] = get_fp_val(gb);
04842 c[4] = get_fp_val(gb);
04843 break;
04844 case 3:
04845 c[0] = get_fp_val(gb);
04846 c[1] = get_fp_val(gb);
04847 c[2] = get_fp_val(gb);
04848 c[3] = get_fp_val(gb);
04849 c[4] = get_fp_val(gb);
04850 break;
04851 }
04852 c[5] = get_fp_val(gb);
04853 if (get_bits1(gb))
04854 c[6] = get_fp_val(gb);
04855 else
04856 c[6] = 1 << 16;
04857 }
04858
04859 static void vc1_parse_sprites(VC1Context *v, GetBitContext* gb, SpriteData* sd)
04860 {
04861 AVCodecContext *avctx = v->s.avctx;
04862 int sprite, i;
04863
04864 for (sprite = 0; sprite <= v->two_sprites; sprite++) {
04865 vc1_sprite_parse_transform(gb, sd->coefs[sprite]);
04866 if (sd->coefs[sprite][1] || sd->coefs[sprite][3])
04867 av_log_ask_for_sample(avctx, "Rotation coefficients are not zero");
04868 av_log(avctx, AV_LOG_DEBUG, sprite ? "S2:" : "S1:");
04869 for (i = 0; i < 7; i++)
04870 av_log(avctx, AV_LOG_DEBUG, " %d.%.3d",
04871 sd->coefs[sprite][i] / (1<<16),
04872 (abs(sd->coefs[sprite][i]) & 0xFFFF) * 1000 / (1 << 16));
04873 av_log(avctx, AV_LOG_DEBUG, "\n");
04874 }
04875
04876 skip_bits(gb, 2);
04877 if (sd->effect_type = get_bits_long(gb, 30)) {
04878 switch (sd->effect_pcount1 = get_bits(gb, 4)) {
04879 case 7:
04880 vc1_sprite_parse_transform(gb, sd->effect_params1);
04881 break;
04882 case 14:
04883 vc1_sprite_parse_transform(gb, sd->effect_params1);
04884 vc1_sprite_parse_transform(gb, sd->effect_params1 + 7);
04885 break;
04886 default:
04887 for (i = 0; i < sd->effect_pcount1; i++)
04888 sd->effect_params1[i] = get_fp_val(gb);
04889 }
04890 if (sd->effect_type != 13 || sd->effect_params1[0] != sd->coefs[0][6]) {
04891
04892 av_log(avctx, AV_LOG_DEBUG, "Effect: %d; params: ", sd->effect_type);
04893 for (i = 0; i < sd->effect_pcount1; i++)
04894 av_log(avctx, AV_LOG_DEBUG, " %d.%.2d",
04895 sd->effect_params1[i] / (1 << 16),
04896 (abs(sd->effect_params1[i]) & 0xFFFF) * 1000 / (1 << 16));
04897 av_log(avctx, AV_LOG_DEBUG, "\n");
04898 }
04899
04900 sd->effect_pcount2 = get_bits(gb, 16);
04901 if (sd->effect_pcount2 > 10) {
04902 av_log(avctx, AV_LOG_ERROR, "Too many effect parameters\n");
04903 return;
04904 } else if (sd->effect_pcount2) {
04905 i = -1;
04906 av_log(avctx, AV_LOG_DEBUG, "Effect params 2: ");
04907 while (++i < sd->effect_pcount2) {
04908 sd->effect_params2[i] = get_fp_val(gb);
04909 av_log(avctx, AV_LOG_DEBUG, " %d.%.2d",
04910 sd->effect_params2[i] / (1 << 16),
04911 (abs(sd->effect_params2[i]) & 0xFFFF) * 1000 / (1 << 16));
04912 }
04913 av_log(avctx, AV_LOG_DEBUG, "\n");
04914 }
04915 }
04916 if (sd->effect_flag = get_bits1(gb))
04917 av_log(avctx, AV_LOG_DEBUG, "Effect flag set\n");
04918
04919 if (get_bits_count(gb) >= gb->size_in_bits +
04920 (avctx->codec_id == CODEC_ID_WMV3IMAGE ? 64 : 0))
04921 av_log(avctx, AV_LOG_ERROR, "Buffer overrun\n");
04922 if (get_bits_count(gb) < gb->size_in_bits - 8)
04923 av_log(avctx, AV_LOG_WARNING, "Buffer not fully read\n");
04924 }
04925
04926 static void vc1_draw_sprites(VC1Context *v, SpriteData* sd)
04927 {
04928 int i, plane, row, sprite;
04929 int sr_cache[2][2] = { { -1, -1 }, { -1, -1 } };
04930 uint8_t* src_h[2][2];
04931 int xoff[2], xadv[2], yoff[2], yadv[2], alpha;
04932 int ysub[2];
04933 MpegEncContext *s = &v->s;
04934
04935 for (i = 0; i < 2; i++) {
04936 xoff[i] = av_clip(sd->coefs[i][2], 0, v->sprite_width-1 << 16);
04937 xadv[i] = sd->coefs[i][0];
04938 if (xadv[i] != 1<<16 || (v->sprite_width << 16) - (v->output_width << 16) - xoff[i])
04939 xadv[i] = av_clip(xadv[i], 0, ((v->sprite_width<<16) - xoff[i] - 1) / v->output_width);
04940
04941 yoff[i] = av_clip(sd->coefs[i][5], 0, v->sprite_height-1 << 16);
04942 yadv[i] = av_clip(sd->coefs[i][4], 0, ((v->sprite_height << 16) - yoff[i]) / v->output_height);
04943 }
04944 alpha = av_clip(sd->coefs[1][6], 0, (1<<16) - 1);
04945
04946 for (plane = 0; plane < (s->flags&CODEC_FLAG_GRAY ? 1 : 3); plane++) {
04947 int width = v->output_width>>!!plane;
04948
04949 for (row = 0; row < v->output_height>>!!plane; row++) {
04950 uint8_t *dst = v->sprite_output_frame.data[plane] +
04951 v->sprite_output_frame.linesize[plane] * row;
04952
04953 for (sprite = 0; sprite <= v->two_sprites; sprite++) {
04954 uint8_t *iplane = s->current_picture.f.data[plane];
04955 int iline = s->current_picture.f.linesize[plane];
04956 int ycoord = yoff[sprite] + yadv[sprite] * row;
04957 int yline = ycoord >> 16;
04958 ysub[sprite] = ycoord & 0xFFFF;
04959 if (sprite) {
04960 iplane = s->last_picture.f.data[plane];
04961 iline = s->last_picture.f.linesize[plane];
04962 }
04963 if (!(xoff[sprite] & 0xFFFF) && xadv[sprite] == 1 << 16) {
04964 src_h[sprite][0] = iplane + (xoff[sprite] >> 16) + yline * iline;
04965 if (ysub[sprite])
04966 src_h[sprite][1] = iplane + (xoff[sprite] >> 16) + (yline + 1) * iline;
04967 } else {
04968 if (sr_cache[sprite][0] != yline) {
04969 if (sr_cache[sprite][1] == yline) {
04970 FFSWAP(uint8_t*, v->sr_rows[sprite][0], v->sr_rows[sprite][1]);
04971 FFSWAP(int, sr_cache[sprite][0], sr_cache[sprite][1]);
04972 } else {
04973 v->vc1dsp.sprite_h(v->sr_rows[sprite][0], iplane + yline * iline, xoff[sprite], xadv[sprite], width);
04974 sr_cache[sprite][0] = yline;
04975 }
04976 }
04977 if (ysub[sprite] && sr_cache[sprite][1] != yline + 1) {
04978 v->vc1dsp.sprite_h(v->sr_rows[sprite][1], iplane + (yline + 1) * iline, xoff[sprite], xadv[sprite], width);
04979 sr_cache[sprite][1] = yline + 1;
04980 }
04981 src_h[sprite][0] = v->sr_rows[sprite][0];
04982 src_h[sprite][1] = v->sr_rows[sprite][1];
04983 }
04984 }
04985
04986 if (!v->two_sprites) {
04987 if (ysub[0]) {
04988 v->vc1dsp.sprite_v_single(dst, src_h[0][0], src_h[0][1], ysub[0], width);
04989 } else {
04990 memcpy(dst, src_h[0][0], width);
04991 }
04992 } else {
04993 if (ysub[0] && ysub[1]) {
04994 v->vc1dsp.sprite_v_double_twoscale(dst, src_h[0][0], src_h[0][1], ysub[0],
04995 src_h[1][0], src_h[1][1], ysub[1], alpha, width);
04996 } else if (ysub[0]) {
04997 v->vc1dsp.sprite_v_double_onescale(dst, src_h[0][0], src_h[0][1], ysub[0],
04998 src_h[1][0], alpha, width);
04999 } else if (ysub[1]) {
05000 v->vc1dsp.sprite_v_double_onescale(dst, src_h[1][0], src_h[1][1], ysub[1],
05001 src_h[0][0], (1<<16)-1-alpha, width);
05002 } else {
05003 v->vc1dsp.sprite_v_double_noscale(dst, src_h[0][0], src_h[1][0], alpha, width);
05004 }
05005 }
05006 }
05007
05008 if (!plane) {
05009 for (i = 0; i < 2; i++) {
05010 xoff[i] >>= 1;
05011 yoff[i] >>= 1;
05012 }
05013 }
05014
05015 }
05016 }
05017
05018
05019 static int vc1_decode_sprites(VC1Context *v, GetBitContext* gb)
05020 {
05021 MpegEncContext *s = &v->s;
05022 AVCodecContext *avctx = s->avctx;
05023 SpriteData sd;
05024
05025 vc1_parse_sprites(v, gb, &sd);
05026
05027 if (!s->current_picture.f.data[0]) {
05028 av_log(avctx, AV_LOG_ERROR, "Got no sprites\n");
05029 return -1;
05030 }
05031
05032 if (v->two_sprites && (!s->last_picture_ptr || !s->last_picture.f.data[0])) {
05033 av_log(avctx, AV_LOG_WARNING, "Need two sprites, only got one\n");
05034 v->two_sprites = 0;
05035 }
05036
05037 if (v->sprite_output_frame.data[0])
05038 avctx->release_buffer(avctx, &v->sprite_output_frame);
05039
05040 v->sprite_output_frame.buffer_hints = FF_BUFFER_HINTS_VALID;
05041 v->sprite_output_frame.reference = 0;
05042 if (avctx->get_buffer(avctx, &v->sprite_output_frame) < 0) {
05043 av_log(avctx, AV_LOG_ERROR, "get_buffer() failed\n");
05044 return -1;
05045 }
05046
05047 vc1_draw_sprites(v, &sd);
05048
05049 return 0;
05050 }
05051
05052 static void vc1_sprite_flush(AVCodecContext *avctx)
05053 {
05054 VC1Context *v = avctx->priv_data;
05055 MpegEncContext *s = &v->s;
05056 AVFrame *f = &s->current_picture.f;
05057 int plane, i;
05058
05059
05060
05061
05062
05063 if (f->data[0])
05064 for (plane = 0; plane < (s->flags&CODEC_FLAG_GRAY ? 1 : 3); plane++)
05065 for (i = 0; i < v->sprite_height>>!!plane; i++)
05066 memset(f->data[plane] + i * f->linesize[plane],
05067 plane ? 128 : 0, f->linesize[plane]);
05068 }
05069
05070 #endif
05071
05072 static av_cold int vc1_decode_init_alloc_tables(VC1Context *v)
05073 {
05074 MpegEncContext *s = &v->s;
05075 int i;
05076
05077
05078 v->mv_type_mb_plane = av_malloc (s->mb_stride * s->mb_height);
05079 v->direct_mb_plane = av_malloc (s->mb_stride * s->mb_height);
05080 v->forward_mb_plane = av_malloc (s->mb_stride * s->mb_height);
05081 v->fieldtx_plane = av_mallocz(s->mb_stride * s->mb_height);
05082 v->acpred_plane = av_malloc (s->mb_stride * s->mb_height);
05083 v->over_flags_plane = av_malloc (s->mb_stride * s->mb_height);
05084
05085 v->n_allocated_blks = s->mb_width + 2;
05086 v->block = av_malloc(sizeof(*v->block) * v->n_allocated_blks);
05087 v->cbp_base = av_malloc(sizeof(v->cbp_base[0]) * 2 * s->mb_stride);
05088 v->cbp = v->cbp_base + s->mb_stride;
05089 v->ttblk_base = av_malloc(sizeof(v->ttblk_base[0]) * 2 * s->mb_stride);
05090 v->ttblk = v->ttblk_base + s->mb_stride;
05091 v->is_intra_base = av_mallocz(sizeof(v->is_intra_base[0]) * 2 * s->mb_stride);
05092 v->is_intra = v->is_intra_base + s->mb_stride;
05093 v->luma_mv_base = av_malloc(sizeof(v->luma_mv_base[0]) * 2 * s->mb_stride);
05094 v->luma_mv = v->luma_mv_base + s->mb_stride;
05095
05096
05097 v->mb_type_base = av_malloc(s->b8_stride * (s->mb_height * 2 + 1) + s->mb_stride * (s->mb_height + 1) * 2);
05098 v->mb_type[0] = v->mb_type_base + s->b8_stride + 1;
05099 v->mb_type[1] = v->mb_type_base + s->b8_stride * (s->mb_height * 2 + 1) + s->mb_stride + 1;
05100 v->mb_type[2] = v->mb_type[1] + s->mb_stride * (s->mb_height + 1);
05101
05102
05103 v->blk_mv_type_base = av_mallocz( s->b8_stride * (s->mb_height * 2 + 1) + s->mb_stride * (s->mb_height + 1) * 2);
05104 v->blk_mv_type = v->blk_mv_type_base + s->b8_stride + 1;
05105 v->mv_f_base = av_mallocz(2 * (s->b8_stride * (s->mb_height * 2 + 1) + s->mb_stride * (s->mb_height + 1) * 2));
05106 v->mv_f[0] = v->mv_f_base + s->b8_stride + 1;
05107 v->mv_f[1] = v->mv_f[0] + (s->b8_stride * (s->mb_height * 2 + 1) + s->mb_stride * (s->mb_height + 1) * 2);
05108 v->mv_f_last_base = av_mallocz(2 * (s->b8_stride * (s->mb_height * 2 + 1) + s->mb_stride * (s->mb_height + 1) * 2));
05109 v->mv_f_last[0] = v->mv_f_last_base + s->b8_stride + 1;
05110 v->mv_f_last[1] = v->mv_f_last[0] + (s->b8_stride * (s->mb_height * 2 + 1) + s->mb_stride * (s->mb_height + 1) * 2);
05111 v->mv_f_next_base = av_mallocz(2 * (s->b8_stride * (s->mb_height * 2 + 1) + s->mb_stride * (s->mb_height + 1) * 2));
05112 v->mv_f_next[0] = v->mv_f_next_base + s->b8_stride + 1;
05113 v->mv_f_next[1] = v->mv_f_next[0] + (s->b8_stride * (s->mb_height * 2 + 1) + s->mb_stride * (s->mb_height + 1) * 2);
05114
05115
05116 if (v->profile == PROFILE_ADVANCED) {
05117
05118
05119
05120
05121 }
05122
05123 ff_intrax8_common_init(&v->x8,s);
05124
05125 if (s->avctx->codec_id == CODEC_ID_WMV3IMAGE || s->avctx->codec_id == CODEC_ID_VC1IMAGE) {
05126 for (i = 0; i < 4; i++)
05127 if (!(v->sr_rows[i >> 1][i & 1] = av_malloc(v->output_width))) return -1;
05128 }
05129
05130 if (!v->mv_type_mb_plane || !v->direct_mb_plane || !v->acpred_plane || !v->over_flags_plane ||
05131 !v->block || !v->cbp_base || !v->ttblk_base || !v->is_intra_base || !v->luma_mv_base ||
05132 !v->mb_type_base) {
05133 av_freep(&v->mv_type_mb_plane);
05134 av_freep(&v->direct_mb_plane);
05135 av_freep(&v->acpred_plane);
05136 av_freep(&v->over_flags_plane);
05137 av_freep(&v->block);
05138 av_freep(&v->cbp_base);
05139 av_freep(&v->ttblk_base);
05140 av_freep(&v->is_intra_base);
05141 av_freep(&v->luma_mv_base);
05142 av_freep(&v->mb_type_base);
05143 return AVERROR(ENOMEM);
05144 }
05145
05146 return 0;
05147 }
05148
05153 static av_cold int vc1_decode_init(AVCodecContext *avctx)
05154 {
05155 VC1Context *v = avctx->priv_data;
05156 MpegEncContext *s = &v->s;
05157 GetBitContext gb;
05158 int i;
05159
05160
05161 v->output_width = avctx->width;
05162 v->output_height = avctx->height;
05163
05164 if (!avctx->extradata_size || !avctx->extradata)
05165 return -1;
05166 if (!(avctx->flags & CODEC_FLAG_GRAY))
05167 avctx->pix_fmt = avctx->get_format(avctx, avctx->codec->pix_fmts);
05168 else
05169 avctx->pix_fmt = PIX_FMT_GRAY8;
05170 avctx->hwaccel = ff_find_hwaccel(avctx->codec->id, avctx->pix_fmt);
05171 v->s.avctx = avctx;
05172 avctx->flags |= CODEC_FLAG_EMU_EDGE;
05173 v->s.flags |= CODEC_FLAG_EMU_EDGE;
05174
05175 if (avctx->idct_algo == FF_IDCT_AUTO) {
05176 avctx->idct_algo = FF_IDCT_WMV2;
05177 }
05178
05179 if (ff_vc1_init_common(v) < 0)
05180 return -1;
05181 ff_vc1dsp_init(&v->vc1dsp);
05182
05183 if (avctx->codec_id == CODEC_ID_WMV3 || avctx->codec_id == CODEC_ID_WMV3IMAGE) {
05184 int count = 0;
05185
05186
05187
05188
05189
05190
05191 init_get_bits(&gb, avctx->extradata, avctx->extradata_size*8);
05192
05193 if (vc1_decode_sequence_header(avctx, v, &gb) < 0)
05194 return -1;
05195
05196 count = avctx->extradata_size*8 - get_bits_count(&gb);
05197 if (count > 0) {
05198 av_log(avctx, AV_LOG_INFO, "Extra data: %i bits left, value: %X\n",
05199 count, get_bits(&gb, count));
05200 } else if (count < 0) {
05201 av_log(avctx, AV_LOG_INFO, "Read %i bits in overflow\n", -count);
05202 }
05203 } else {
05204 const uint8_t *start = avctx->extradata;
05205 uint8_t *end = avctx->extradata + avctx->extradata_size;
05206 const uint8_t *next;
05207 int size, buf2_size;
05208 uint8_t *buf2 = NULL;
05209 int seq_initialized = 0, ep_initialized = 0;
05210
05211 if (avctx->extradata_size < 16) {
05212 av_log(avctx, AV_LOG_ERROR, "Extradata size too small: %i\n", avctx->extradata_size);
05213 return -1;
05214 }
05215
05216 buf2 = av_mallocz(avctx->extradata_size + FF_INPUT_BUFFER_PADDING_SIZE);
05217 start = find_next_marker(start, end);
05218 next = start;
05219 for (; next < end; start = next) {
05220 next = find_next_marker(start + 4, end);
05221 size = next - start - 4;
05222 if (size <= 0)
05223 continue;
05224 buf2_size = vc1_unescape_buffer(start + 4, size, buf2);
05225 init_get_bits(&gb, buf2, buf2_size * 8);
05226 switch (AV_RB32(start)) {
05227 case VC1_CODE_SEQHDR:
05228 if (vc1_decode_sequence_header(avctx, v, &gb) < 0) {
05229 av_free(buf2);
05230 return -1;
05231 }
05232 seq_initialized = 1;
05233 break;
05234 case VC1_CODE_ENTRYPOINT:
05235 if (vc1_decode_entry_point(avctx, v, &gb) < 0) {
05236 av_free(buf2);
05237 return -1;
05238 }
05239 ep_initialized = 1;
05240 break;
05241 }
05242 }
05243 av_free(buf2);
05244 if (!seq_initialized || !ep_initialized) {
05245 av_log(avctx, AV_LOG_ERROR, "Incomplete extradata\n");
05246 return -1;
05247 }
05248 v->res_sprite = (avctx->codec_tag == MKTAG('W','V','P','2'));
05249 }
05250
05251 avctx->profile = v->profile;
05252 if (v->profile == PROFILE_ADVANCED)
05253 avctx->level = v->level;
05254
05255 avctx->has_b_frames = !!avctx->max_b_frames;
05256
05257 s->mb_width = (avctx->coded_width + 15) >> 4;
05258 s->mb_height = (avctx->coded_height + 15) >> 4;
05259
05260 if (v->profile == PROFILE_ADVANCED || v->res_fasttx) {
05261 for (i = 0; i < 64; i++) {
05262 #define transpose(x) ((x >> 3) | ((x & 7) << 3))
05263 v->zz_8x8[0][i] = transpose(wmv1_scantable[0][i]);
05264 v->zz_8x8[1][i] = transpose(wmv1_scantable[1][i]);
05265 v->zz_8x8[2][i] = transpose(wmv1_scantable[2][i]);
05266 v->zz_8x8[3][i] = transpose(wmv1_scantable[3][i]);
05267 v->zzi_8x8[i] = transpose(ff_vc1_adv_interlaced_8x8_zz[i]);
05268 }
05269 v->left_blk_sh = 0;
05270 v->top_blk_sh = 3;
05271 } else {
05272 memcpy(v->zz_8x8, wmv1_scantable, 4*64);
05273 v->left_blk_sh = 3;
05274 v->top_blk_sh = 0;
05275 }
05276
05277 if (avctx->codec_id == CODEC_ID_WMV3IMAGE || avctx->codec_id == CODEC_ID_VC1IMAGE) {
05278 v->sprite_width = avctx->coded_width;
05279 v->sprite_height = avctx->coded_height;
05280
05281 avctx->coded_width = avctx->width = v->output_width;
05282 avctx->coded_height = avctx->height = v->output_height;
05283
05284
05285 if (v->sprite_width > 1 << 14 ||
05286 v->sprite_height > 1 << 14 ||
05287 v->output_width > 1 << 14 ||
05288 v->output_height > 1 << 14) return -1;
05289 }
05290 return 0;
05291 }
05292
05296 static av_cold int vc1_decode_end(AVCodecContext *avctx)
05297 {
05298 VC1Context *v = avctx->priv_data;
05299 int i;
05300
05301 if ((avctx->codec_id == CODEC_ID_WMV3IMAGE || avctx->codec_id == CODEC_ID_VC1IMAGE)
05302 && v->sprite_output_frame.data[0])
05303 avctx->release_buffer(avctx, &v->sprite_output_frame);
05304 for (i = 0; i < 4; i++)
05305 av_freep(&v->sr_rows[i >> 1][i & 1]);
05306 av_freep(&v->hrd_rate);
05307 av_freep(&v->hrd_buffer);
05308 MPV_common_end(&v->s);
05309 av_freep(&v->mv_type_mb_plane);
05310 av_freep(&v->direct_mb_plane);
05311 av_freep(&v->forward_mb_plane);
05312 av_freep(&v->fieldtx_plane);
05313 av_freep(&v->acpred_plane);
05314 av_freep(&v->over_flags_plane);
05315 av_freep(&v->mb_type_base);
05316 av_freep(&v->blk_mv_type_base);
05317 av_freep(&v->mv_f_base);
05318 av_freep(&v->mv_f_last_base);
05319 av_freep(&v->mv_f_next_base);
05320 av_freep(&v->block);
05321 av_freep(&v->cbp_base);
05322 av_freep(&v->ttblk_base);
05323 av_freep(&v->is_intra_base);
05324 av_freep(&v->luma_mv_base);
05325 ff_intrax8_common_end(&v->x8);
05326 return 0;
05327 }
05328
05329
05333 static int vc1_decode_frame(AVCodecContext *avctx, void *data,
05334 int *data_size, AVPacket *avpkt)
05335 {
05336 const uint8_t *buf = avpkt->data;
05337 int buf_size = avpkt->size, n_slices = 0, i;
05338 VC1Context *v = avctx->priv_data;
05339 MpegEncContext *s = &v->s;
05340 AVFrame *pict = data;
05341 uint8_t *buf2 = NULL;
05342 const uint8_t *buf_start = buf;
05343 int mb_height, n_slices1;
05344 struct {
05345 uint8_t *buf;
05346 GetBitContext gb;
05347 int mby_start;
05348 } *slices = NULL, *tmp;
05349
05350
05351 if (buf_size == 0 || (buf_size == 4 && AV_RB32(buf) == VC1_CODE_ENDOFSEQ)) {
05352
05353 if (s->low_delay == 0 && s->next_picture_ptr) {
05354 *pict = *(AVFrame*)s->next_picture_ptr;
05355 s->next_picture_ptr = NULL;
05356
05357 *data_size = sizeof(AVFrame);
05358 }
05359
05360 return 0;
05361 }
05362
05363 if (s->avctx->codec->capabilities&CODEC_CAP_HWACCEL_VDPAU) {
05364 if (v->profile < PROFILE_ADVANCED)
05365 avctx->pix_fmt = PIX_FMT_VDPAU_WMV3;
05366 else
05367 avctx->pix_fmt = PIX_FMT_VDPAU_VC1;
05368 }
05369
05370
05371 if (avctx->codec_id == CODEC_ID_VC1 || avctx->codec_id == CODEC_ID_VC1IMAGE) {
05372 int buf_size2 = 0;
05373 buf2 = av_mallocz(buf_size + FF_INPUT_BUFFER_PADDING_SIZE);
05374
05375 if (IS_MARKER(AV_RB32(buf))) {
05376 const uint8_t *start, *end, *next;
05377 int size;
05378
05379 next = buf;
05380 for (start = buf, end = buf + buf_size; next < end; start = next) {
05381 next = find_next_marker(start + 4, end);
05382 size = next - start - 4;
05383 if (size <= 0) continue;
05384 switch (AV_RB32(start)) {
05385 case VC1_CODE_FRAME:
05386 if (avctx->hwaccel ||
05387 s->avctx->codec->capabilities&CODEC_CAP_HWACCEL_VDPAU)
05388 buf_start = start;
05389 buf_size2 = vc1_unescape_buffer(start + 4, size, buf2);
05390 break;
05391 case VC1_CODE_FIELD: {
05392 int buf_size3;
05393 slices = av_realloc(slices, sizeof(*slices) * (n_slices+1));
05394 if (!slices)
05395 goto err;
05396 slices[n_slices].buf = av_mallocz(buf_size + FF_INPUT_BUFFER_PADDING_SIZE);
05397 if (!slices[n_slices].buf)
05398 goto err;
05399 buf_size3 = vc1_unescape_buffer(start + 4, size,
05400 slices[n_slices].buf);
05401 init_get_bits(&slices[n_slices].gb, slices[n_slices].buf,
05402 buf_size3 << 3);
05403
05404
05405 slices[n_slices].mby_start = s->mb_height >> 1;
05406 n_slices1 = n_slices - 1;
05407 n_slices++;
05408 break;
05409 }
05410 case VC1_CODE_ENTRYPOINT:
05411 buf_size2 = vc1_unescape_buffer(start + 4, size, buf2);
05412 init_get_bits(&s->gb, buf2, buf_size2 * 8);
05413 vc1_decode_entry_point(avctx, v, &s->gb);
05414 break;
05415 case VC1_CODE_SLICE: {
05416 int buf_size3;
05417 slices = av_realloc(slices, sizeof(*slices) * (n_slices+1));
05418 if (!slices)
05419 goto err;
05420 slices[n_slices].buf = av_mallocz(buf_size + FF_INPUT_BUFFER_PADDING_SIZE);
05421 if (!slices[n_slices].buf)
05422 goto err;
05423 buf_size3 = vc1_unescape_buffer(start + 4, size,
05424 slices[n_slices].buf);
05425 init_get_bits(&slices[n_slices].gb, slices[n_slices].buf,
05426 buf_size3 << 3);
05427 slices[n_slices].mby_start = get_bits(&slices[n_slices].gb, 9);
05428 n_slices++;
05429 break;
05430 }
05431 }
05432 }
05433 } else if (v->interlace && ((buf[0] & 0xC0) == 0xC0)) {
05434 const uint8_t *divider;
05435 int buf_size3;
05436
05437 divider = find_next_marker(buf, buf + buf_size);
05438 if ((divider == (buf + buf_size)) || AV_RB32(divider) != VC1_CODE_FIELD) {
05439 av_log(avctx, AV_LOG_ERROR, "Error in WVC1 interlaced frame\n");
05440 goto err;
05441 } else {
05442 tmp = av_realloc(slices, sizeof(*slices) * (n_slices+1));
05443 if (!tmp)
05444 goto err;
05445 slices = tmp;
05446 slices[n_slices].buf = av_mallocz(buf_size + FF_INPUT_BUFFER_PADDING_SIZE);
05447 if (!slices[n_slices].buf)
05448 goto err;
05449 buf_size3 = vc1_unescape_buffer(divider + 4, buf + buf_size - divider - 4, slices[n_slices].buf);
05450 init_get_bits(&slices[n_slices].gb, slices[n_slices].buf,
05451 buf_size3 << 3);
05452 slices[n_slices].mby_start = s->mb_height >> 1;
05453 n_slices1 = n_slices - 1;
05454 n_slices++;
05455 }
05456 buf_size2 = vc1_unescape_buffer(buf, divider - buf, buf2);
05457 } else {
05458 buf_size2 = vc1_unescape_buffer(buf, buf_size, buf2);
05459 }
05460 init_get_bits(&s->gb, buf2, buf_size2*8);
05461 } else
05462 init_get_bits(&s->gb, buf, buf_size*8);
05463
05464 if (v->res_sprite) {
05465 v->new_sprite = !get_bits1(&s->gb);
05466 v->two_sprites = get_bits1(&s->gb);
05467
05468
05469
05470
05471 if (avctx->codec_id == CODEC_ID_WMV3IMAGE || avctx->codec_id == CODEC_ID_VC1IMAGE) {
05472 if (v->new_sprite) {
05473
05474 avctx->width = avctx->coded_width = v->sprite_width;
05475 avctx->height = avctx->coded_height = v->sprite_height;
05476 } else {
05477 goto image;
05478 }
05479 }
05480 }
05481
05482 if (s->context_initialized &&
05483 (s->width != avctx->coded_width ||
05484 s->height != avctx->coded_height)) {
05485 vc1_decode_end(avctx);
05486 }
05487
05488 if (!s->context_initialized) {
05489 if (ff_msmpeg4_decode_init(avctx) < 0)
05490 return -1;
05491 if (vc1_decode_init_alloc_tables(v) < 0) {
05492 MPV_common_end(s);
05493 return -1;
05494 }
05495
05496 s->low_delay = !avctx->has_b_frames || v->res_sprite;
05497
05498 if (v->profile == PROFILE_ADVANCED) {
05499 s->h_edge_pos = avctx->coded_width;
05500 s->v_edge_pos = avctx->coded_height;
05501 }
05502 }
05503
05504
05505
05506 if (s->current_picture_ptr == NULL || s->current_picture_ptr->f.data[0]) {
05507 int i = ff_find_unused_picture(s, 0);
05508 if (i < 0)
05509 goto err;
05510 s->current_picture_ptr = &s->picture[i];
05511 }
05512
05513
05514 v->pic_header_flag = 0;
05515 if (v->profile < PROFILE_ADVANCED) {
05516 if (vc1_parse_frame_header(v, &s->gb) == -1) {
05517 goto err;
05518 }
05519 } else {
05520 if (vc1_parse_frame_header_adv(v, &s->gb) == -1) {
05521 goto err;
05522 }
05523 }
05524
05525 if ((avctx->codec_id == CODEC_ID_WMV3IMAGE || avctx->codec_id == CODEC_ID_VC1IMAGE)
05526 && s->pict_type != AV_PICTURE_TYPE_I) {
05527 av_log(v->s.avctx, AV_LOG_ERROR, "Sprite decoder: expected I-frame\n");
05528 goto err;
05529 }
05530
05531
05532 s->current_picture_ptr->f.repeat_pict = 0;
05533
05534
05535 if (v->rff) {
05536
05537 s->current_picture_ptr->f.repeat_pict = 1;
05538 } else if (v->rptfrm) {
05539
05540 s->current_picture_ptr->f.repeat_pict = v->rptfrm * 2;
05541 }
05542
05543
05544 s->current_picture.f.pict_type = s->pict_type;
05545 s->current_picture.f.key_frame = s->pict_type == AV_PICTURE_TYPE_I;
05546
05547
05548 if (s->last_picture_ptr == NULL && (s->pict_type == AV_PICTURE_TYPE_B || s->dropable)) {
05549 goto err;
05550 }
05551 if ((avctx->skip_frame >= AVDISCARD_NONREF && s->pict_type == AV_PICTURE_TYPE_B) ||
05552 (avctx->skip_frame >= AVDISCARD_NONKEY && s->pict_type != AV_PICTURE_TYPE_I) ||
05553 avctx->skip_frame >= AVDISCARD_ALL) {
05554 goto end;
05555 }
05556
05557 if (s->next_p_frame_damaged) {
05558 if (s->pict_type == AV_PICTURE_TYPE_B)
05559 goto end;
05560 else
05561 s->next_p_frame_damaged = 0;
05562 }
05563
05564 if (MPV_frame_start(s, avctx) < 0) {
05565 goto err;
05566 }
05567
05568 s->me.qpel_put = s->dsp.put_qpel_pixels_tab;
05569 s->me.qpel_avg = s->dsp.avg_qpel_pixels_tab;
05570
05571 if ((CONFIG_VC1_VDPAU_DECODER)
05572 &&s->avctx->codec->capabilities&CODEC_CAP_HWACCEL_VDPAU)
05573 ff_vdpau_vc1_decode_picture(s, buf_start, (buf + buf_size) - buf_start);
05574 else if (avctx->hwaccel) {
05575 if (avctx->hwaccel->start_frame(avctx, buf, buf_size) < 0)
05576 goto err;
05577 if (avctx->hwaccel->decode_slice(avctx, buf_start, (buf + buf_size) - buf_start) < 0)
05578 goto err;
05579 if (avctx->hwaccel->end_frame(avctx) < 0)
05580 goto err;
05581 } else {
05582 int header_ret = 0;
05583
05584 ff_er_frame_start(s);
05585
05586 v->bits = buf_size * 8;
05587 if (v->field_mode) {
05588 uint8_t *tmp[2];
05589 s->current_picture.f.linesize[0] <<= 1;
05590 s->current_picture.f.linesize[1] <<= 1;
05591 s->current_picture.f.linesize[2] <<= 1;
05592 s->linesize <<= 1;
05593 s->uvlinesize <<= 1;
05594 tmp[0] = v->mv_f_last[0];
05595 tmp[1] = v->mv_f_last[1];
05596 v->mv_f_last[0] = v->mv_f_next[0];
05597 v->mv_f_last[1] = v->mv_f_next[1];
05598 v->mv_f_next[0] = v->mv_f[0];
05599 v->mv_f_next[1] = v->mv_f[1];
05600 v->mv_f[0] = tmp[0];
05601 v->mv_f[1] = tmp[1];
05602 }
05603 mb_height = s->mb_height >> v->field_mode;
05604
05605 if (!mb_height) {
05606 av_log(v->s.avctx, AV_LOG_ERROR, "Invalid mb_height.\n");
05607 goto err;
05608 }
05609
05610 for (i = 0; i <= n_slices; i++) {
05611 if (i > 0 && slices[i - 1].mby_start >= mb_height) {
05612 if (v->field_mode <= 0) {
05613 av_log(v->s.avctx, AV_LOG_ERROR, "Slice %d starts beyond "
05614 "picture boundary (%d >= %d)\n", i,
05615 slices[i - 1].mby_start, mb_height);
05616 continue;
05617 }
05618 v->second_field = 1;
05619 v->blocks_off = s->mb_width * s->mb_height << 1;
05620 v->mb_off = s->mb_stride * s->mb_height >> 1;
05621 } else {
05622 v->second_field = 0;
05623 v->blocks_off = 0;
05624 v->mb_off = 0;
05625 }
05626 if (i) {
05627 v->pic_header_flag = 0;
05628 if (v->field_mode && i == n_slices1 + 2) {
05629 if ((header_ret = vc1_parse_frame_header_adv(v, &s->gb)) < 0) {
05630 av_log(v->s.avctx, AV_LOG_ERROR, "Field header damaged\n");
05631 continue;
05632 }
05633 } else if (get_bits1(&s->gb)) {
05634 v->pic_header_flag = 1;
05635 if ((header_ret = vc1_parse_frame_header_adv(v, &s->gb)) < 0) {
05636 av_log(v->s.avctx, AV_LOG_ERROR, "Slice header damaged\n");
05637 continue;
05638 }
05639 }
05640 }
05641 if (header_ret < 0)
05642 continue;
05643 s->start_mb_y = (i == 0) ? 0 : FFMAX(0, slices[i-1].mby_start % mb_height);
05644 if (!v->field_mode || v->second_field)
05645 s->end_mb_y = (i == n_slices ) ? mb_height : FFMIN(mb_height, slices[i].mby_start % mb_height);
05646 else
05647 s->end_mb_y = (i <= n_slices1 + 1) ? mb_height : FFMIN(mb_height, slices[i].mby_start % mb_height);
05648 vc1_decode_blocks(v);
05649 if (i != n_slices)
05650 s->gb = slices[i].gb;
05651 }
05652 if (v->field_mode) {
05653 v->second_field = 0;
05654 if (s->pict_type == AV_PICTURE_TYPE_B) {
05655 memcpy(v->mv_f_base, v->mv_f_next_base,
05656 2 * (s->b8_stride * (s->mb_height * 2 + 1) + s->mb_stride * (s->mb_height + 1) * 2));
05657 }
05658 s->current_picture.f.linesize[0] >>= 1;
05659 s->current_picture.f.linesize[1] >>= 1;
05660 s->current_picture.f.linesize[2] >>= 1;
05661 s->linesize >>= 1;
05662 s->uvlinesize >>= 1;
05663 }
05664
05665
05666
05667 ff_er_frame_end(s);
05668 }
05669
05670 MPV_frame_end(s);
05671
05672 if (avctx->codec_id == CODEC_ID_WMV3IMAGE || avctx->codec_id == CODEC_ID_VC1IMAGE) {
05673 image:
05674 avctx->width = avctx->coded_width = v->output_width;
05675 avctx->height = avctx->coded_height = v->output_height;
05676 if (avctx->skip_frame >= AVDISCARD_NONREF)
05677 goto end;
05678 #if CONFIG_WMV3IMAGE_DECODER || CONFIG_VC1IMAGE_DECODER
05679 if (vc1_decode_sprites(v, &s->gb))
05680 goto err;
05681 #endif
05682 *pict = v->sprite_output_frame;
05683 *data_size = sizeof(AVFrame);
05684 } else {
05685 if (s->pict_type == AV_PICTURE_TYPE_B || s->low_delay) {
05686 *pict = *(AVFrame*)s->current_picture_ptr;
05687 } else if (s->last_picture_ptr != NULL) {
05688 *pict = *(AVFrame*)s->last_picture_ptr;
05689 }
05690 if (s->last_picture_ptr || s->low_delay) {
05691 *data_size = sizeof(AVFrame);
05692 ff_print_debug_info(s, pict);
05693 }
05694 }
05695
05696 end:
05697 av_free(buf2);
05698 for (i = 0; i < n_slices; i++)
05699 av_free(slices[i].buf);
05700 av_free(slices);
05701 return buf_size;
05702
05703 err:
05704 av_free(buf2);
05705 for (i = 0; i < n_slices; i++)
05706 av_free(slices[i].buf);
05707 av_free(slices);
05708 return -1;
05709 }
05710
05711
05712 static const AVProfile profiles[] = {
05713 { FF_PROFILE_VC1_SIMPLE, "Simple" },
05714 { FF_PROFILE_VC1_MAIN, "Main" },
05715 { FF_PROFILE_VC1_COMPLEX, "Complex" },
05716 { FF_PROFILE_VC1_ADVANCED, "Advanced" },
05717 { FF_PROFILE_UNKNOWN },
05718 };
05719
05720 AVCodec ff_vc1_decoder = {
05721 .name = "vc1",
05722 .type = AVMEDIA_TYPE_VIDEO,
05723 .id = CODEC_ID_VC1,
05724 .priv_data_size = sizeof(VC1Context),
05725 .init = vc1_decode_init,
05726 .close = vc1_decode_end,
05727 .decode = vc1_decode_frame,
05728 .flush = ff_mpeg_flush,
05729 .capabilities = CODEC_CAP_DR1 | CODEC_CAP_DELAY,
05730 .long_name = NULL_IF_CONFIG_SMALL("SMPTE VC-1"),
05731 .pix_fmts = ff_hwaccel_pixfmt_list_420,
05732 .profiles = NULL_IF_CONFIG_SMALL(profiles)
05733 };
05734
05735 #if CONFIG_WMV3_DECODER
05736 AVCodec ff_wmv3_decoder = {
05737 .name = "wmv3",
05738 .type = AVMEDIA_TYPE_VIDEO,
05739 .id = CODEC_ID_WMV3,
05740 .priv_data_size = sizeof(VC1Context),
05741 .init = vc1_decode_init,
05742 .close = vc1_decode_end,
05743 .decode = vc1_decode_frame,
05744 .flush = ff_mpeg_flush,
05745 .capabilities = CODEC_CAP_DR1 | CODEC_CAP_DELAY,
05746 .long_name = NULL_IF_CONFIG_SMALL("Windows Media Video 9"),
05747 .pix_fmts = ff_hwaccel_pixfmt_list_420,
05748 .profiles = NULL_IF_CONFIG_SMALL(profiles)
05749 };
05750 #endif
05751
05752 #if CONFIG_WMV3_VDPAU_DECODER
05753 AVCodec ff_wmv3_vdpau_decoder = {
05754 .name = "wmv3_vdpau",
05755 .type = AVMEDIA_TYPE_VIDEO,
05756 .id = CODEC_ID_WMV3,
05757 .priv_data_size = sizeof(VC1Context),
05758 .init = vc1_decode_init,
05759 .close = vc1_decode_end,
05760 .decode = vc1_decode_frame,
05761 .capabilities = CODEC_CAP_DR1 | CODEC_CAP_DELAY | CODEC_CAP_HWACCEL_VDPAU,
05762 .long_name = NULL_IF_CONFIG_SMALL("Windows Media Video 9 VDPAU"),
05763 .pix_fmts = (const enum PixelFormat[]){PIX_FMT_VDPAU_WMV3, PIX_FMT_NONE},
05764 .profiles = NULL_IF_CONFIG_SMALL(profiles)
05765 };
05766 #endif
05767
05768 #if CONFIG_VC1_VDPAU_DECODER
05769 AVCodec ff_vc1_vdpau_decoder = {
05770 .name = "vc1_vdpau",
05771 .type = AVMEDIA_TYPE_VIDEO,
05772 .id = CODEC_ID_VC1,
05773 .priv_data_size = sizeof(VC1Context),
05774 .init = vc1_decode_init,
05775 .close = vc1_decode_end,
05776 .decode = vc1_decode_frame,
05777 .capabilities = CODEC_CAP_DR1 | CODEC_CAP_DELAY | CODEC_CAP_HWACCEL_VDPAU,
05778 .long_name = NULL_IF_CONFIG_SMALL("SMPTE VC-1 VDPAU"),
05779 .pix_fmts = (const enum PixelFormat[]){PIX_FMT_VDPAU_VC1, PIX_FMT_NONE},
05780 .profiles = NULL_IF_CONFIG_SMALL(profiles)
05781 };
05782 #endif
05783
05784 #if CONFIG_WMV3IMAGE_DECODER
05785 AVCodec ff_wmv3image_decoder = {
05786 .name = "wmv3image",
05787 .type = AVMEDIA_TYPE_VIDEO,
05788 .id = CODEC_ID_WMV3IMAGE,
05789 .priv_data_size = sizeof(VC1Context),
05790 .init = vc1_decode_init,
05791 .close = vc1_decode_end,
05792 .decode = vc1_decode_frame,
05793 .capabilities = CODEC_CAP_DR1,
05794 .flush = vc1_sprite_flush,
05795 .long_name = NULL_IF_CONFIG_SMALL("Windows Media Video 9 Image"),
05796 .pix_fmts = ff_pixfmt_list_420
05797 };
05798 #endif
05799
05800 #if CONFIG_VC1IMAGE_DECODER
05801 AVCodec ff_vc1image_decoder = {
05802 .name = "vc1image",
05803 .type = AVMEDIA_TYPE_VIDEO,
05804 .id = CODEC_ID_VC1IMAGE,
05805 .priv_data_size = sizeof(VC1Context),
05806 .init = vc1_decode_init,
05807 .close = vc1_decode_end,
05808 .decode = vc1_decode_frame,
05809 .capabilities = CODEC_CAP_DR1,
05810 .flush = vc1_sprite_flush,
05811 .long_name = NULL_IF_CONFIG_SMALL("Windows Media Video 9 Image v2"),
05812 .pix_fmts = ff_pixfmt_list_420
05813 };
05814 #endif