2 * VC-1 and WMV3 decoder common code
3 * Copyright (c) 2011 Mashiat Sarker Shakkhar
4 * Copyright (c) 2006-2007 Konstantin Shishkov
5 * Partly based on vc9.c (c) 2005 Anonymous, Alex Beregszaszi, Michael Niedermayer
7 * This file is part of FFmpeg.
9 * FFmpeg is free software; you can redistribute it and/or
10 * modify it under the terms of the GNU Lesser General Public
11 * License as published by the Free Software Foundation; either
12 * version 2.1 of the License, or (at your option) any later version.
14 * FFmpeg is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
17 * Lesser General Public License for more details.
19 * You should have received a copy of the GNU Lesser General Public
20 * License along with FFmpeg; if not, write to the Free Software
21 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
26 * VC-1 and WMV3 decoder common code
30 #include "libavutil/attributes.h"
33 #include "mpegvideo.h"
36 #include "msmpeg4data.h"
38 #include "simple_idct.h"
43 /***********************************************************************/
45 * @name VC-1 Bitplane decoding
50 /** Decode rows by checking if they are skipped
51 * @param plane Buffer to store decoded bits
52 * @param[in] width Width of this buffer
53 * @param[in] height Height of this buffer
54 * @param[in] stride of this buffer
56 static void decode_rowskip(uint8_t* plane, int width, int height, int stride,
61 for (y = 0; y < height; y++) {
62 if (!get_bits1(gb)) //rowskip
63 memset(plane, 0, width);
65 for (x = 0; x < width; x++)
66 plane[x] = get_bits1(gb);
71 /** Decode columns by checking if they are skipped
72 * @param plane Buffer to store decoded bits
73 * @param[in] width Width of this buffer
74 * @param[in] height Height of this buffer
75 * @param[in] stride of this buffer
76 * @todo FIXME: Optimize
78 static void decode_colskip(uint8_t* plane, int width, int height, int stride,
83 for (x = 0; x < width; x++) {
84 if (!get_bits1(gb)) //colskip
85 for (y = 0; y < height; y++)
88 for (y = 0; y < height; y++)
89 plane[y*stride] = get_bits1(gb);
94 /** Decode a bitplane's bits
95 * @param data bitplane where to store the decode bits
96 * @param[out] raw_flag pointer to the flag indicating that this bitplane is not coded explicitly
97 * @param v VC-1 context for bit reading and logging
99 * @todo FIXME: Optimize
101 static int bitplane_decoding(uint8_t* data, int *raw_flag, VC1Context *v)
103 GetBitContext *gb = &v->s.gb;
105 int imode, x, y, code, offset;
106 uint8_t invert, *planep = data;
107 int width, height, stride;
109 width = v->s.mb_width;
110 height = v->s.mb_height >> v->field_mode;
111 stride = v->s.mb_stride;
112 invert = get_bits1(gb);
113 imode = get_vlc2(gb, ff_vc1_imode_vlc.table, VC1_IMODE_VLC_BITS, 1);
118 //Data is actually read in the MB layer (same for all tests == "raw")
119 *raw_flag = 1; //invert ignored
123 if ((height * width) & 1) {
124 *planep++ = get_bits1(gb);
126 if (offset == width) {
128 planep += stride - width;
133 // decode bitplane as one long line
134 for (; y < height * width; y += 2) {
135 code = get_vlc2(gb, ff_vc1_norm2_vlc.table, VC1_NORM2_VLC_BITS, 1);
136 *planep++ = code & 1;
138 if (offset == width) {
140 planep += stride - width;
142 *planep++ = code >> 1;
144 if (offset == width) {
146 planep += stride - width;
152 if (!(height % 3) && (width % 3)) { // use 2x3 decoding
153 for (y = 0; y < height; y += 3) {
154 for (x = width & 1; x < width; x += 2) {
155 code = get_vlc2(gb, ff_vc1_norm6_vlc.table, VC1_NORM6_VLC_BITS, 2);
157 av_log(v->s.avctx, AV_LOG_DEBUG, "invalid NORM-6 VLC\n");
160 planep[x + 0] = (code >> 0) & 1;
161 planep[x + 1] = (code >> 1) & 1;
162 planep[x + 0 + stride] = (code >> 2) & 1;
163 planep[x + 1 + stride] = (code >> 3) & 1;
164 planep[x + 0 + stride * 2] = (code >> 4) & 1;
165 planep[x + 1 + stride * 2] = (code >> 5) & 1;
167 planep += stride * 3;
170 decode_colskip(data, 1, height, stride, &v->s.gb);
172 planep += (height & 1) * stride;
173 for (y = height & 1; y < height; y += 2) {
174 for (x = width % 3; x < width; x += 3) {
175 code = get_vlc2(gb, ff_vc1_norm6_vlc.table, VC1_NORM6_VLC_BITS, 2);
177 av_log(v->s.avctx, AV_LOG_DEBUG, "invalid NORM-6 VLC\n");
180 planep[x + 0] = (code >> 0) & 1;
181 planep[x + 1] = (code >> 1) & 1;
182 planep[x + 2] = (code >> 2) & 1;
183 planep[x + 0 + stride] = (code >> 3) & 1;
184 planep[x + 1 + stride] = (code >> 4) & 1;
185 planep[x + 2 + stride] = (code >> 5) & 1;
187 planep += stride * 2;
191 decode_colskip(data, x, height, stride, &v->s.gb);
193 decode_rowskip(data + x, width - x, 1, stride, &v->s.gb);
197 decode_rowskip(data, width, height, stride, &v->s.gb);
200 decode_colskip(data, width, height, stride, &v->s.gb);
206 /* Applying diff operator */
207 if (imode == IMODE_DIFF2 || imode == IMODE_DIFF6) {
210 for (x = 1; x < width; x++)
211 planep[x] ^= planep[x-1];
212 for (y = 1; y < height; y++) {
214 planep[0] ^= planep[-stride];
215 for (x = 1; x < width; x++) {
216 if (planep[x-1] != planep[x-stride]) planep[x] ^= invert;
217 else planep[x] ^= planep[x-1];
222 for (x = 0; x < stride * height; x++)
223 planep[x] = !planep[x]; //FIXME stride
225 return (imode << 1) + invert;
228 /** @} */ //Bitplane group
230 /***********************************************************************/
231 /** VOP Dquant decoding
232 * @param v VC-1 Context
234 static int vop_dquant_decoding(VC1Context *v)
236 GetBitContext *gb = &v->s.gb;
240 if (v->dquant == 2) {
241 pqdiff = get_bits(gb, 3);
243 v->altpq = get_bits(gb, 5);
245 v->altpq = v->pq + pqdiff + 1;
247 v->dquantfrm = get_bits1(gb);
249 v->dqprofile = get_bits(gb, 2);
250 switch (v->dqprofile) {
251 case DQPROFILE_SINGLE_EDGE:
252 case DQPROFILE_DOUBLE_EDGES:
253 v->dqsbedge = get_bits(gb, 2);
255 case DQPROFILE_ALL_MBS:
256 v->dqbilevel = get_bits1(gb);
262 if (v->dqbilevel || v->dqprofile != DQPROFILE_ALL_MBS) {
263 pqdiff = get_bits(gb, 3);
265 v->altpq = get_bits(gb, 5);
267 v->altpq = v->pq + pqdiff + 1;
274 static int decode_sequence_header_adv(VC1Context *v, GetBitContext *gb);
277 * Decode Simple/Main Profiles sequence header
278 * @see Figure 7-8, p16-17
279 * @param avctx Codec context
280 * @param gb GetBit context initialized from Codec context extra_data
283 int ff_vc1_decode_sequence_header(AVCodecContext *avctx, VC1Context *v, GetBitContext *gb)
285 av_log(avctx, AV_LOG_DEBUG, "Header: %0X\n", show_bits_long(gb, 32));
286 v->profile = get_bits(gb, 2);
287 if (v->profile == PROFILE_COMPLEX) {
288 av_log(avctx, AV_LOG_WARNING, "WMV3 Complex Profile is not fully supported\n");
291 if (v->profile == PROFILE_ADVANCED) {
292 v->zz_8x4 = ff_vc1_adv_progressive_8x4_zz;
293 v->zz_4x8 = ff_vc1_adv_progressive_4x8_zz;
294 return decode_sequence_header_adv(v, gb);
297 v->zz_8x4 = ff_wmv2_scantableA;
298 v->zz_4x8 = ff_wmv2_scantableB;
299 v->res_y411 = get_bits1(gb);
300 v->res_sprite = get_bits1(gb);
302 av_log(avctx, AV_LOG_ERROR,
303 "Old interlaced mode is not supported\n");
309 v->frmrtq_postproc = get_bits(gb, 3); //common
310 // (bitrate-32kbps)/64kbps
311 v->bitrtq_postproc = get_bits(gb, 5); //common
312 v->s.loop_filter = get_bits1(gb); //common
313 if (v->s.loop_filter == 1 && v->profile == PROFILE_SIMPLE) {
314 av_log(avctx, AV_LOG_ERROR,
315 "LOOPFILTER shall not be enabled in Simple Profile\n");
317 if (v->s.avctx->skip_loop_filter >= AVDISCARD_ALL)
318 v->s.loop_filter = 0;
320 v->res_x8 = get_bits1(gb); //reserved
321 v->multires = get_bits1(gb);
322 v->res_fasttx = get_bits1(gb);
323 if (!v->res_fasttx) {
324 v->vc1dsp.vc1_inv_trans_8x8 = ff_simple_idct_8;
325 v->vc1dsp.vc1_inv_trans_8x4 = ff_simple_idct84_add;
326 v->vc1dsp.vc1_inv_trans_4x8 = ff_simple_idct48_add;
327 v->vc1dsp.vc1_inv_trans_4x4 = ff_simple_idct44_add;
328 v->vc1dsp.vc1_inv_trans_8x8_dc = ff_simple_idct_add_8;
329 v->vc1dsp.vc1_inv_trans_8x4_dc = ff_simple_idct84_add;
330 v->vc1dsp.vc1_inv_trans_4x8_dc = ff_simple_idct48_add;
331 v->vc1dsp.vc1_inv_trans_4x4_dc = ff_simple_idct44_add;
334 v->fastuvmc = get_bits1(gb); //common
335 if (!v->profile && !v->fastuvmc) {
336 av_log(avctx, AV_LOG_ERROR,
337 "FASTUVMC unavailable in Simple Profile\n");
340 v->extended_mv = get_bits1(gb); //common
341 if (!v->profile && v->extended_mv)
343 av_log(avctx, AV_LOG_ERROR,
344 "Extended MVs unavailable in Simple Profile\n");
347 v->dquant = get_bits(gb, 2); //common
348 v->vstransform = get_bits1(gb); //common
350 v->res_transtab = get_bits1(gb);
353 av_log(avctx, AV_LOG_ERROR,
354 "1 for reserved RES_TRANSTAB is forbidden\n");
358 v->overlap = get_bits1(gb); //common
360 v->resync_marker = get_bits1(gb);
361 v->rangered = get_bits1(gb);
362 if (v->rangered && v->profile == PROFILE_SIMPLE) {
363 av_log(avctx, AV_LOG_INFO,
364 "RANGERED should be set to 0 in Simple Profile\n");
367 v->s.max_b_frames = avctx->max_b_frames = get_bits(gb, 3); //common
368 v->quantizer_mode = get_bits(gb, 2); //common
370 v->finterpflag = get_bits1(gb); //common
373 int w = get_bits(gb, 11);
374 int h = get_bits(gb, 11);
375 int ret = ff_set_dimensions(v->s.avctx, w, h);
377 av_log(avctx, AV_LOG_ERROR, "Failed to set dimensions %d %d\n", w, h);
380 skip_bits(gb, 5); //frame rate
381 v->res_x8 = get_bits1(gb);
382 if (get_bits1(gb)) { // something to do with DC VLC selection
383 av_log(avctx, AV_LOG_ERROR, "Unsupported sprite feature\n");
386 skip_bits(gb, 3); //slice code
389 v->res_rtm_flag = get_bits1(gb); //reserved
391 if (!v->res_rtm_flag) {
392 av_log(avctx, AV_LOG_ERROR,
393 "Old WMV3 version detected, some frames may be decoded incorrectly\n");
396 //TODO: figure out what they mean (always 0x402F)
399 av_log(avctx, AV_LOG_DEBUG,
400 "Profile %i:\nfrmrtq_postproc=%i, bitrtq_postproc=%i\n"
401 "LoopFilter=%i, MultiRes=%i, FastUVMC=%i, Extended MV=%i\n"
402 "Rangered=%i, VSTransform=%i, Overlap=%i, SyncMarker=%i\n"
403 "DQuant=%i, Quantizer mode=%i, Max B frames=%i\n",
404 v->profile, v->frmrtq_postproc, v->bitrtq_postproc,
405 v->s.loop_filter, v->multires, v->fastuvmc, v->extended_mv,
406 v->rangered, v->vstransform, v->overlap, v->resync_marker,
407 v->dquant, v->quantizer_mode, avctx->max_b_frames);
411 static int decode_sequence_header_adv(VC1Context *v, GetBitContext *gb)
414 v->level = get_bits(gb, 3);
416 av_log(v->s.avctx, AV_LOG_ERROR, "Reserved LEVEL %i\n",v->level);
418 v->chromaformat = get_bits(gb, 2);
419 if (v->chromaformat != 1) {
420 av_log(v->s.avctx, AV_LOG_ERROR,
421 "Only 4:2:0 chroma format supported\n");
426 v->frmrtq_postproc = get_bits(gb, 3); //common
427 // (bitrate-32kbps)/64kbps
428 v->bitrtq_postproc = get_bits(gb, 5); //common
429 v->postprocflag = get_bits1(gb); //common
431 v->max_coded_width = (get_bits(gb, 12) + 1) << 1;
432 v->max_coded_height = (get_bits(gb, 12) + 1) << 1;
433 v->broadcast = get_bits1(gb);
434 v->interlace = get_bits1(gb);
435 v->tfcntrflag = get_bits1(gb);
436 v->finterpflag = get_bits1(gb);
437 skip_bits1(gb); // reserved
439 av_log(v->s.avctx, AV_LOG_DEBUG,
440 "Advanced Profile level %i:\nfrmrtq_postproc=%i, bitrtq_postproc=%i\n"
441 "LoopFilter=%i, ChromaFormat=%i, Pulldown=%i, Interlace: %i\n"
442 "TFCTRflag=%i, FINTERPflag=%i\n",
443 v->level, v->frmrtq_postproc, v->bitrtq_postproc,
444 v->s.loop_filter, v->chromaformat, v->broadcast, v->interlace,
445 v->tfcntrflag, v->finterpflag);
447 v->psf = get_bits1(gb);
448 if (v->psf) { //PsF, 6.1.13
449 av_log(v->s.avctx, AV_LOG_ERROR, "Progressive Segmented Frame mode: not supported (yet)\n");
452 v->s.max_b_frames = v->s.avctx->max_b_frames = 7;
453 if (get_bits1(gb)) { //Display Info - decoding is not affected by it
455 av_log(v->s.avctx, AV_LOG_DEBUG, "Display extended info:\n");
456 w = get_bits(gb, 14) + 1;
457 h = get_bits(gb, 14) + 1;
458 av_log(v->s.avctx, AV_LOG_DEBUG, "Display dimensions: %ix%i\n", w, h);
460 ar = get_bits(gb, 4);
462 v->s.avctx->sample_aspect_ratio = ff_vc1_pixel_aspect[ar];
463 } else if (ar == 15) {
464 w = get_bits(gb, 8) + 1;
465 h = get_bits(gb, 8) + 1;
466 v->s.avctx->sample_aspect_ratio = (AVRational){w, h};
468 av_reduce(&v->s.avctx->sample_aspect_ratio.num,
469 &v->s.avctx->sample_aspect_ratio.den,
470 v->s.avctx->height * w,
471 v->s.avctx->width * h,
474 ff_set_sar(v->s.avctx, v->s.avctx->sample_aspect_ratio);
475 av_log(v->s.avctx, AV_LOG_DEBUG, "Aspect: %i:%i\n",
476 v->s.avctx->sample_aspect_ratio.num,
477 v->s.avctx->sample_aspect_ratio.den);
479 if (get_bits1(gb)) { //framerate stuff
481 v->s.avctx->time_base.num = 32;
482 v->s.avctx->time_base.den = get_bits(gb, 16) + 1;
485 nr = get_bits(gb, 8);
486 dr = get_bits(gb, 4);
487 if (nr > 0 && nr < 8 && dr > 0 && dr < 3) {
488 v->s.avctx->time_base.num = ff_vc1_fps_dr[dr - 1];
489 v->s.avctx->time_base.den = ff_vc1_fps_nr[nr - 1] * 1000;
492 if (v->broadcast) { // Pulldown may be present
493 v->s.avctx->time_base.den *= 2;
494 v->s.avctx->ticks_per_frame = 2;
499 v->s.avctx->color_primaries = get_bits(gb, 8);
500 v->s.avctx->color_trc = get_bits(gb, 8);
501 v->s.avctx->colorspace = get_bits(gb, 8);
502 v->s.avctx->color_range = AVCOL_RANGE_MPEG;
506 v->hrd_param_flag = get_bits1(gb);
507 if (v->hrd_param_flag) {
509 v->hrd_num_leaky_buckets = get_bits(gb, 5);
510 skip_bits(gb, 4); //bitrate exponent
511 skip_bits(gb, 4); //buffer size exponent
512 for (i = 0; i < v->hrd_num_leaky_buckets; i++) {
513 skip_bits(gb, 16); //hrd_rate[n]
514 skip_bits(gb, 16); //hrd_buffer[n]
520 int ff_vc1_decode_entry_point(AVCodecContext *avctx, VC1Context *v, GetBitContext *gb)
526 av_log(avctx, AV_LOG_DEBUG, "Entry point: %08X\n", show_bits_long(gb, 32));
527 v->broken_link = get_bits1(gb);
528 v->closed_entry = get_bits1(gb);
529 v->panscanflag = get_bits1(gb);
530 v->refdist_flag = get_bits1(gb);
531 v->s.loop_filter = get_bits1(gb);
532 if (v->s.avctx->skip_loop_filter >= AVDISCARD_ALL)
533 v->s.loop_filter = 0;
534 v->fastuvmc = get_bits1(gb);
535 v->extended_mv = get_bits1(gb);
536 v->dquant = get_bits(gb, 2);
537 v->vstransform = get_bits1(gb);
538 v->overlap = get_bits1(gb);
539 v->quantizer_mode = get_bits(gb, 2);
541 if (v->hrd_param_flag) {
542 for (i = 0; i < v->hrd_num_leaky_buckets; i++) {
543 skip_bits(gb, 8); //hrd_full[n]
548 w = (get_bits(gb, 12)+1)<<1;
549 h = (get_bits(gb, 12)+1)<<1;
551 w = v->max_coded_width;
552 h = v->max_coded_height;
554 if ((ret = ff_set_dimensions(avctx, w, h)) < 0) {
555 av_log(avctx, AV_LOG_ERROR, "Failed to set dimensions %d %d\n", w, h);
560 v->extended_dmv = get_bits1(gb);
561 if ((v->range_mapy_flag = get_bits1(gb))) {
562 av_log(avctx, AV_LOG_ERROR, "Luma scaling is not supported, expect wrong picture\n");
563 v->range_mapy = get_bits(gb, 3);
565 if ((v->range_mapuv_flag = get_bits1(gb))) {
566 av_log(avctx, AV_LOG_ERROR, "Chroma scaling is not supported, expect wrong picture\n");
567 v->range_mapuv = get_bits(gb, 3);
570 av_log(avctx, AV_LOG_DEBUG, "Entry point info:\n"
571 "BrokenLink=%i, ClosedEntry=%i, PanscanFlag=%i\n"
572 "RefDist=%i, Postproc=%i, FastUVMC=%i, ExtMV=%i\n"
573 "DQuant=%i, VSTransform=%i, Overlap=%i, Qmode=%i\n",
574 v->broken_link, v->closed_entry, v->panscanflag, v->refdist_flag, v->s.loop_filter,
575 v->fastuvmc, v->extended_mv, v->dquant, v->vstransform, v->overlap, v->quantizer_mode);
580 /* fill lookup tables for intensity compensation */
581 #define INIT_LUT(lumscale, lumshift, luty, lutuv, chain) do { \
582 int scale, shift, i; \
585 shift = (255 - lumshift * 2) << 6; \
589 scale = lumscale + 32; \
591 shift = (lumshift - 64) << 6; \
593 shift = lumshift << 6; \
595 for (i = 0; i < 256; i++) { \
596 int iy = chain ? luty[i] : i; \
597 int iu = chain ? lutuv[i] : i; \
598 luty[i] = av_clip_uint8((scale * iy + shift + 32) >> 6); \
599 lutuv[i] = av_clip_uint8((scale * (iu - 128) + 128*64 + 32) >> 6);\
603 static void rotate_luts(VC1Context *v)
605 #define ROTATE(DEF, L, N, C, A) do { \
606 if (v->s.pict_type == AV_PICTURE_TYPE_BI || v->s.pict_type == AV_PICTURE_TYPE_B) { \
610 memcpy(&tmp, L , sizeof(tmp)); \
611 memcpy(L , N , sizeof(tmp)); \
612 memcpy(N , &tmp, sizeof(tmp)); \
617 ROTATE(int tmp, &v->last_use_ic, &v->next_use_ic, v->curr_use_ic, &v->aux_use_ic);
618 ROTATE(uint8_t tmp[2][256], v->last_luty, v->next_luty, v->curr_luty, v->aux_luty);
619 ROTATE(uint8_t tmp[2][256], v->last_lutuv, v->next_lutuv, v->curr_lutuv, v->aux_lutuv);
621 INIT_LUT(32, 0, v->curr_luty[0], v->curr_lutuv[0], 0);
622 INIT_LUT(32, 0, v->curr_luty[1], v->curr_lutuv[1], 0);
626 static int read_bfraction(VC1Context *v, GetBitContext* gb) {
627 int bfraction_lut_index = get_vlc2(gb, ff_vc1_bfraction_vlc.table, VC1_BFRACTION_VLC_BITS, 1);
629 if (bfraction_lut_index == 21 || bfraction_lut_index < 0) {
630 av_log(v->s.avctx, AV_LOG_ERROR, "bfraction invalid\n");
631 return AVERROR_INVALIDDATA;
633 v->bfraction_lut_index = bfraction_lut_index;
634 v->bfraction = ff_vc1_bfraction_lut[v->bfraction_lut_index];
638 int ff_vc1_parse_frame_header(VC1Context *v, GetBitContext* gb)
640 int pqindex, lowquant, status;
645 v->interpfrm = get_bits1(gb);
646 if (!v->s.avctx->codec)
648 if (v->s.avctx->codec_id == AV_CODEC_ID_MSS2)
651 v->multires = get_bits(gb, 2) == 1;
653 skip_bits(gb, 2); //framecnt unused
656 v->rangeredfrm = get_bits1(gb);
657 v->s.pict_type = get_bits1(gb);
658 if (v->s.avctx->max_b_frames) {
659 if (!v->s.pict_type) {
661 v->s.pict_type = AV_PICTURE_TYPE_I;
663 v->s.pict_type = AV_PICTURE_TYPE_B;
665 v->s.pict_type = AV_PICTURE_TYPE_P;
667 v->s.pict_type = v->s.pict_type ? AV_PICTURE_TYPE_P : AV_PICTURE_TYPE_I;
670 if (v->s.pict_type == AV_PICTURE_TYPE_B) {
671 if (read_bfraction(v, gb) < 0)
672 return AVERROR_INVALIDDATA;
673 if (v->bfraction == 0) {
674 v->s.pict_type = AV_PICTURE_TYPE_BI;
677 if (v->s.pict_type == AV_PICTURE_TYPE_I || v->s.pict_type == AV_PICTURE_TYPE_BI)
678 skip_bits(gb, 7); // skip buffer fullness
684 if (v->s.pict_type == AV_PICTURE_TYPE_I || v->s.pict_type == AV_PICTURE_TYPE_BI)
686 if (v->s.pict_type == AV_PICTURE_TYPE_P)
689 /* Quantizer stuff */
690 pqindex = get_bits(gb, 5);
693 if (v->quantizer_mode == QUANT_FRAME_IMPLICIT)
694 v->pq = ff_vc1_pquant_table[0][pqindex];
696 v->pq = ff_vc1_pquant_table[1][pqindex];
699 if (v->quantizer_mode == QUANT_FRAME_IMPLICIT)
700 v->pquantizer = pqindex < 9;
701 if (v->quantizer_mode == QUANT_NON_UNIFORM)
703 v->pqindex = pqindex;
705 v->halfpq = get_bits1(gb);
708 if (v->quantizer_mode == QUANT_FRAME_EXPLICIT)
709 v->pquantizer = get_bits1(gb);
711 if (v->extended_mv == 1)
712 v->mvrange = get_unary(gb, 0, 3);
713 v->k_x = v->mvrange + 9 + (v->mvrange >> 1); //k_x can be 9 10 12 13
714 v->k_y = v->mvrange + 8; //k_y can be 8 9 10 11
715 v->range_x = 1 << (v->k_x - 1);
716 v->range_y = 1 << (v->k_y - 1);
717 if (v->multires && v->s.pict_type != AV_PICTURE_TYPE_B)
718 v->respic = get_bits(gb, 2);
720 if (v->res_x8 && (v->s.pict_type == AV_PICTURE_TYPE_I || v->s.pict_type == AV_PICTURE_TYPE_BI)) {
721 v->x8_type = get_bits1(gb);
724 av_dlog(v->s.avctx, "%c Frame: QP=[%i]%i (+%i/2) %i\n",
725 (v->s.pict_type == AV_PICTURE_TYPE_P) ? 'P' : ((v->s.pict_type == AV_PICTURE_TYPE_I) ? 'I' : 'B'),
726 pqindex, v->pq, v->halfpq, v->rangeredfrm);
728 if (v->first_pic_header_flag)
731 switch (v->s.pict_type) {
732 case AV_PICTURE_TYPE_P:
733 if (v->pq < 5) v->tt_index = 0;
734 else if (v->pq < 13) v->tt_index = 1;
735 else v->tt_index = 2;
737 lowquant = (v->pq > 12) ? 0 : 1;
738 v->mv_mode = ff_vc1_mv_pmode_table[lowquant][get_unary(gb, 1, 4)];
739 if (v->mv_mode == MV_PMODE_INTENSITY_COMP) {
740 v->mv_mode2 = ff_vc1_mv_pmode_table2[lowquant][get_unary(gb, 1, 3)];
741 v->lumscale = get_bits(gb, 6);
742 v->lumshift = get_bits(gb, 6);
744 /* fill lookup tables for intensity compensation */
745 INIT_LUT(v->lumscale, v->lumshift, v->last_luty[0], v->last_lutuv[0], 1);
746 INIT_LUT(v->lumscale, v->lumshift, v->last_luty[1], v->last_lutuv[1], 1);
748 v->qs_last = v->s.quarter_sample;
749 if (v->mv_mode == MV_PMODE_1MV_HPEL || v->mv_mode == MV_PMODE_1MV_HPEL_BILIN)
750 v->s.quarter_sample = 0;
751 else if (v->mv_mode == MV_PMODE_INTENSITY_COMP) {
752 if (v->mv_mode2 == MV_PMODE_1MV_HPEL || v->mv_mode2 == MV_PMODE_1MV_HPEL_BILIN)
753 v->s.quarter_sample = 0;
755 v->s.quarter_sample = 1;
757 v->s.quarter_sample = 1;
758 v->s.mspel = !(v->mv_mode == MV_PMODE_1MV_HPEL_BILIN || (v->mv_mode == MV_PMODE_INTENSITY_COMP && v->mv_mode2 == MV_PMODE_1MV_HPEL_BILIN));
760 if ((v->mv_mode == MV_PMODE_INTENSITY_COMP &&
761 v->mv_mode2 == MV_PMODE_MIXED_MV) ||
762 v->mv_mode == MV_PMODE_MIXED_MV) {
763 status = bitplane_decoding(v->mv_type_mb_plane, &v->mv_type_is_raw, v);
766 av_log(v->s.avctx, AV_LOG_DEBUG, "MB MV Type plane encoding: "
767 "Imode: %i, Invert: %i\n", status>>1, status&1);
769 v->mv_type_is_raw = 0;
770 memset(v->mv_type_mb_plane, 0, v->s.mb_stride * v->s.mb_height);
772 status = bitplane_decoding(v->s.mbskip_table, &v->skip_is_raw, v);
775 av_log(v->s.avctx, AV_LOG_DEBUG, "MB Skip plane encoding: "
776 "Imode: %i, Invert: %i\n", status>>1, status&1);
778 /* Hopefully this is correct for P frames */
779 v->s.mv_table_index = get_bits(gb, 2); //but using ff_vc1_ tables
780 v->cbpcy_vlc = &ff_vc1_cbpcy_p_vlc[get_bits(gb, 2)];
783 av_log(v->s.avctx, AV_LOG_DEBUG, "VOP DQuant info\n");
784 vop_dquant_decoding(v);
787 v->ttfrm = 0; //FIXME Is that so ?
788 if (v->vstransform) {
789 v->ttmbf = get_bits1(gb);
791 v->ttfrm = ff_vc1_ttfrm_to_tt[get_bits(gb, 2)];
798 case AV_PICTURE_TYPE_B:
799 if (v->pq < 5) v->tt_index = 0;
800 else if (v->pq < 13) v->tt_index = 1;
801 else v->tt_index = 2;
803 v->mv_mode = get_bits1(gb) ? MV_PMODE_1MV : MV_PMODE_1MV_HPEL_BILIN;
804 v->qs_last = v->s.quarter_sample;
805 v->s.quarter_sample = (v->mv_mode == MV_PMODE_1MV);
806 v->s.mspel = v->s.quarter_sample;
808 status = bitplane_decoding(v->direct_mb_plane, &v->dmb_is_raw, v);
811 av_log(v->s.avctx, AV_LOG_DEBUG, "MB Direct Type plane encoding: "
812 "Imode: %i, Invert: %i\n", status>>1, status&1);
813 status = bitplane_decoding(v->s.mbskip_table, &v->skip_is_raw, v);
816 av_log(v->s.avctx, AV_LOG_DEBUG, "MB Skip plane encoding: "
817 "Imode: %i, Invert: %i\n", status>>1, status&1);
819 v->s.mv_table_index = get_bits(gb, 2);
820 v->cbpcy_vlc = &ff_vc1_cbpcy_p_vlc[get_bits(gb, 2)];
823 av_log(v->s.avctx, AV_LOG_DEBUG, "VOP DQuant info\n");
824 vop_dquant_decoding(v);
828 if (v->vstransform) {
829 v->ttmbf = get_bits1(gb);
831 v->ttfrm = ff_vc1_ttfrm_to_tt[get_bits(gb, 2)];
842 v->c_ac_table_index = decode012(gb);
843 if (v->s.pict_type == AV_PICTURE_TYPE_I || v->s.pict_type == AV_PICTURE_TYPE_BI) {
844 v->y_ac_table_index = decode012(gb);
847 v->s.dc_table_index = get_bits1(gb);
850 if (v->s.pict_type == AV_PICTURE_TYPE_BI) {
851 v->s.pict_type = AV_PICTURE_TYPE_B;
857 int ff_vc1_parse_frame_header_adv(VC1Context *v, GetBitContext* gb)
859 int pqindex, lowquant;
861 int mbmodetab, imvtab, icbptab, twomvbptab, fourmvbptab; /* useful only for debugging */
865 v->p_frame_skipped = 0;
866 if (v->second_field) {
867 if(v->fcm!=2 || v->field_mode!=1)
869 v->s.pict_type = (v->fptype & 1) ? AV_PICTURE_TYPE_P : AV_PICTURE_TYPE_I;
871 v->s.pict_type = (v->fptype & 1) ? AV_PICTURE_TYPE_BI : AV_PICTURE_TYPE_B;
872 v->s.current_picture_ptr->f->pict_type = v->s.pict_type;
873 if (!v->pic_header_flag)
874 goto parse_common_info;
881 if (fcm == ILACE_FIELD)
887 if (!v->first_pic_header_flag && v->field_mode != field_mode)
888 return AVERROR_INVALIDDATA;
889 v->field_mode = field_mode;
892 av_assert0( v->s.mb_height == v->s.height + 15 >> 4
893 || v->s.mb_height == FFALIGN(v->s.height + 15 >> 4, 2));
895 v->s.mb_height = FFALIGN(v->s.height + 15 >> 4, 2);
896 v->fptype = get_bits(gb, 3);
897 v->s.pict_type = (v->fptype & 2) ? AV_PICTURE_TYPE_P : AV_PICTURE_TYPE_I;
898 if (v->fptype & 4) // B-picture
899 v->s.pict_type = (v->fptype & 2) ? AV_PICTURE_TYPE_BI : AV_PICTURE_TYPE_B;
902 v->s.mb_height = v->s.height + 15 >> 4;
903 switch (get_unary(gb, 0, 4)) {
905 v->s.pict_type = AV_PICTURE_TYPE_P;
908 v->s.pict_type = AV_PICTURE_TYPE_B;
911 v->s.pict_type = AV_PICTURE_TYPE_I;
914 v->s.pict_type = AV_PICTURE_TYPE_BI;
917 v->s.pict_type = AV_PICTURE_TYPE_P; // skipped pic
918 v->p_frame_skipped = 1;
925 if (!v->interlace || v->psf) {
926 v->rptfrm = get_bits(gb, 2);
928 v->tff = get_bits1(gb);
929 v->rff = get_bits1(gb);
934 if (v->panscanflag) {
935 avpriv_report_missing_feature(v->s.avctx, "Pan-scan");
938 if (v->p_frame_skipped) {
941 v->rnd = get_bits1(gb);
943 v->uvsamp = get_bits1(gb);
944 if(!ff_vc1_bfraction_vlc.table)
945 return 0; //parsing only, vlc tables havnt been allocated
947 if (!v->refdist_flag)
949 else if ((v->s.pict_type != AV_PICTURE_TYPE_B) && (v->s.pict_type != AV_PICTURE_TYPE_BI)) {
950 v->refdist = get_bits(gb, 2);
952 v->refdist += get_unary(gb, 0, 16);
954 if ((v->s.pict_type == AV_PICTURE_TYPE_B) || (v->s.pict_type == AV_PICTURE_TYPE_BI)) {
955 if (read_bfraction(v, gb) < 0)
956 return AVERROR_INVALIDDATA;
957 v->frfd = (v->bfraction * v->refdist) >> 8;
958 v->brfd = v->refdist - v->frfd - 1;
962 goto parse_common_info;
964 if (v->fcm == PROGRESSIVE) {
966 v->interpfrm = get_bits1(gb);
967 if (v->s.pict_type == AV_PICTURE_TYPE_B) {
968 if (read_bfraction(v, gb) < 0)
969 return AVERROR_INVALIDDATA;
970 if (v->bfraction == 0) {
971 v->s.pict_type = AV_PICTURE_TYPE_BI; /* XXX: should not happen here */
978 v->cur_field_type = !(v->tff ^ v->second_field);
979 pqindex = get_bits(gb, 5);
982 v->pqindex = pqindex;
983 if (v->quantizer_mode == QUANT_FRAME_IMPLICIT)
984 v->pq = ff_vc1_pquant_table[0][pqindex];
986 v->pq = ff_vc1_pquant_table[1][pqindex];
989 if (v->quantizer_mode == QUANT_FRAME_IMPLICIT)
990 v->pquantizer = pqindex < 9;
991 if (v->quantizer_mode == QUANT_NON_UNIFORM)
993 v->pqindex = pqindex;
995 v->halfpq = get_bits1(gb);
998 if (v->quantizer_mode == QUANT_FRAME_EXPLICIT)
999 v->pquantizer = get_bits1(gb);
1000 if (v->postprocflag)
1001 v->postproc = get_bits(gb, 2);
1006 if (v->first_pic_header_flag)
1009 switch (v->s.pict_type) {
1010 case AV_PICTURE_TYPE_I:
1011 case AV_PICTURE_TYPE_BI:
1012 if (v->fcm == ILACE_FRAME) { //interlace frame picture
1013 status = bitplane_decoding(v->fieldtx_plane, &v->fieldtx_is_raw, v);
1016 av_log(v->s.avctx, AV_LOG_DEBUG, "FIELDTX plane encoding: "
1017 "Imode: %i, Invert: %i\n", status>>1, status&1);
1019 status = bitplane_decoding(v->acpred_plane, &v->acpred_is_raw, v);
1022 av_log(v->s.avctx, AV_LOG_DEBUG, "ACPRED plane encoding: "
1023 "Imode: %i, Invert: %i\n", status>>1, status&1);
1024 v->condover = CONDOVER_NONE;
1025 if (v->overlap && v->pq <= 8) {
1026 v->condover = decode012(gb);
1027 if (v->condover == CONDOVER_SELECT) {
1028 status = bitplane_decoding(v->over_flags_plane, &v->overflg_is_raw, v);
1031 av_log(v->s.avctx, AV_LOG_DEBUG, "CONDOVER plane encoding: "
1032 "Imode: %i, Invert: %i\n", status>>1, status&1);
1036 case AV_PICTURE_TYPE_P:
1037 if (v->field_mode) {
1038 v->numref = get_bits1(gb);
1040 v->reffield = get_bits1(gb);
1041 v->ref_field_type[0] = v->reffield ^ !v->cur_field_type;
1045 v->mvrange = get_unary(gb, 0, 3);
1049 if (v->extended_dmv)
1050 v->dmvrange = get_unary(gb, 0, 3);
1053 if (v->fcm == ILACE_FRAME) { // interlaced frame picture
1054 v->fourmvswitch = get_bits1(gb);
1055 v->intcomp = get_bits1(gb);
1057 v->lumscale = get_bits(gb, 6);
1058 v->lumshift = get_bits(gb, 6);
1059 INIT_LUT(v->lumscale, v->lumshift, v->last_luty[0], v->last_lutuv[0], 1);
1060 INIT_LUT(v->lumscale, v->lumshift, v->last_luty[1], v->last_lutuv[1], 1);
1063 status = bitplane_decoding(v->s.mbskip_table, &v->skip_is_raw, v);
1064 av_log(v->s.avctx, AV_LOG_DEBUG, "SKIPMB plane encoding: "
1065 "Imode: %i, Invert: %i\n", status>>1, status&1);
1066 mbmodetab = get_bits(gb, 2);
1067 if (v->fourmvswitch)
1068 v->mbmode_vlc = &ff_vc1_intfr_4mv_mbmode_vlc[mbmodetab];
1070 v->mbmode_vlc = &ff_vc1_intfr_non4mv_mbmode_vlc[mbmodetab];
1071 imvtab = get_bits(gb, 2);
1072 v->imv_vlc = &ff_vc1_1ref_mvdata_vlc[imvtab];
1073 // interlaced p-picture cbpcy range is [1, 63]
1074 icbptab = get_bits(gb, 3);
1075 v->cbpcy_vlc = &ff_vc1_icbpcy_vlc[icbptab];
1076 twomvbptab = get_bits(gb, 2);
1077 v->twomvbp_vlc = &ff_vc1_2mv_block_pattern_vlc[twomvbptab];
1078 if (v->fourmvswitch) {
1079 fourmvbptab = get_bits(gb, 2);
1080 v->fourmvbp_vlc = &ff_vc1_4mv_block_pattern_vlc[fourmvbptab];
1084 v->k_x = v->mvrange + 9 + (v->mvrange >> 1); //k_x can be 9 10 12 13
1085 v->k_y = v->mvrange + 8; //k_y can be 8 9 10 11
1086 v->range_x = 1 << (v->k_x - 1);
1087 v->range_y = 1 << (v->k_y - 1);
1091 else if (v->pq < 13)
1095 if (v->fcm != ILACE_FRAME) {
1097 mvmode = get_unary(gb, 1, 4);
1098 lowquant = (v->pq > 12) ? 0 : 1;
1099 v->mv_mode = ff_vc1_mv_pmode_table[lowquant][mvmode];
1100 if (v->mv_mode == MV_PMODE_INTENSITY_COMP) {
1102 mvmode2 = get_unary(gb, 1, 3);
1103 v->mv_mode2 = ff_vc1_mv_pmode_table2[lowquant][mvmode2];
1104 if (v->field_mode) {
1105 v->intcompfield = decode210(gb) ^ 3;
1107 v->intcompfield = 3;
1109 v->lumscale2 = v->lumscale = 32;
1110 v->lumshift2 = v->lumshift = 0;
1111 if (v->intcompfield & 1) {
1112 v->lumscale = get_bits(gb, 6);
1113 v->lumshift = get_bits(gb, 6);
1115 if ((v->intcompfield & 2) && v->field_mode) {
1116 v->lumscale2 = get_bits(gb, 6);
1117 v->lumshift2 = get_bits(gb, 6);
1118 } else if(!v->field_mode) {
1119 v->lumscale2 = v->lumscale;
1120 v->lumshift2 = v->lumshift;
1122 if (v->field_mode && v->second_field) {
1123 if (v->cur_field_type) {
1124 INIT_LUT(v->lumscale , v->lumshift , v->curr_luty[v->cur_field_type^1], v->curr_lutuv[v->cur_field_type^1], 0);
1125 INIT_LUT(v->lumscale2, v->lumshift2, v->last_luty[v->cur_field_type ], v->last_lutuv[v->cur_field_type ], 1);
1127 INIT_LUT(v->lumscale2, v->lumshift2, v->curr_luty[v->cur_field_type^1], v->curr_lutuv[v->cur_field_type^1], 0);
1128 INIT_LUT(v->lumscale , v->lumshift , v->last_luty[v->cur_field_type ], v->last_lutuv[v->cur_field_type ], 1);
1130 v->next_use_ic = *v->curr_use_ic = 1;
1132 INIT_LUT(v->lumscale , v->lumshift , v->last_luty[0], v->last_lutuv[0], 1);
1133 INIT_LUT(v->lumscale2, v->lumshift2, v->last_luty[1], v->last_lutuv[1], 1);
1137 v->qs_last = v->s.quarter_sample;
1138 if (v->mv_mode == MV_PMODE_1MV_HPEL || v->mv_mode == MV_PMODE_1MV_HPEL_BILIN)
1139 v->s.quarter_sample = 0;
1140 else if (v->mv_mode == MV_PMODE_INTENSITY_COMP) {
1141 if (v->mv_mode2 == MV_PMODE_1MV_HPEL || v->mv_mode2 == MV_PMODE_1MV_HPEL_BILIN)
1142 v->s.quarter_sample = 0;
1144 v->s.quarter_sample = 1;
1146 v->s.quarter_sample = 1;
1147 v->s.mspel = !(v->mv_mode == MV_PMODE_1MV_HPEL_BILIN
1148 || (v->mv_mode == MV_PMODE_INTENSITY_COMP
1149 && v->mv_mode2 == MV_PMODE_1MV_HPEL_BILIN));
1151 if (v->fcm == PROGRESSIVE) { // progressive
1152 if ((v->mv_mode == MV_PMODE_INTENSITY_COMP &&
1153 v->mv_mode2 == MV_PMODE_MIXED_MV)
1154 || v->mv_mode == MV_PMODE_MIXED_MV) {
1155 status = bitplane_decoding(v->mv_type_mb_plane, &v->mv_type_is_raw, v);
1158 av_log(v->s.avctx, AV_LOG_DEBUG, "MB MV Type plane encoding: "
1159 "Imode: %i, Invert: %i\n", status>>1, status&1);
1161 v->mv_type_is_raw = 0;
1162 memset(v->mv_type_mb_plane, 0, v->s.mb_stride * v->s.mb_height);
1164 status = bitplane_decoding(v->s.mbskip_table, &v->skip_is_raw, v);
1167 av_log(v->s.avctx, AV_LOG_DEBUG, "MB Skip plane encoding: "
1168 "Imode: %i, Invert: %i\n", status>>1, status&1);
1170 /* Hopefully this is correct for P frames */
1171 v->s.mv_table_index = get_bits(gb, 2); //but using ff_vc1_ tables
1172 v->cbpcy_vlc = &ff_vc1_cbpcy_p_vlc[get_bits(gb, 2)];
1173 } else if (v->fcm == ILACE_FRAME) { // frame interlaced
1174 v->qs_last = v->s.quarter_sample;
1175 v->s.quarter_sample = 1;
1177 } else { // field interlaced
1178 mbmodetab = get_bits(gb, 3);
1179 imvtab = get_bits(gb, 2 + v->numref);
1181 v->imv_vlc = &ff_vc1_1ref_mvdata_vlc[imvtab];
1183 v->imv_vlc = &ff_vc1_2ref_mvdata_vlc[imvtab];
1184 icbptab = get_bits(gb, 3);
1185 v->cbpcy_vlc = &ff_vc1_icbpcy_vlc[icbptab];
1186 if ((v->mv_mode == MV_PMODE_INTENSITY_COMP &&
1187 v->mv_mode2 == MV_PMODE_MIXED_MV) || v->mv_mode == MV_PMODE_MIXED_MV) {
1188 fourmvbptab = get_bits(gb, 2);
1189 v->fourmvbp_vlc = &ff_vc1_4mv_block_pattern_vlc[fourmvbptab];
1190 v->mbmode_vlc = &ff_vc1_if_mmv_mbmode_vlc[mbmodetab];
1192 v->mbmode_vlc = &ff_vc1_if_1mv_mbmode_vlc[mbmodetab];
1196 av_log(v->s.avctx, AV_LOG_DEBUG, "VOP DQuant info\n");
1197 vop_dquant_decoding(v);
1200 v->ttfrm = 0; //FIXME Is that so ?
1201 if (v->vstransform) {
1202 v->ttmbf = get_bits1(gb);
1204 v->ttfrm = ff_vc1_ttfrm_to_tt[get_bits(gb, 2)];
1211 case AV_PICTURE_TYPE_B:
1212 if (v->fcm == ILACE_FRAME) {
1213 if (read_bfraction(v, gb) < 0)
1214 return AVERROR_INVALIDDATA;
1215 if (v->bfraction == 0) {
1220 v->mvrange = get_unary(gb, 0, 3);
1223 v->k_x = v->mvrange + 9 + (v->mvrange >> 1); //k_x can be 9 10 12 13
1224 v->k_y = v->mvrange + 8; //k_y can be 8 9 10 11
1225 v->range_x = 1 << (v->k_x - 1);
1226 v->range_y = 1 << (v->k_y - 1);
1230 else if (v->pq < 13)
1235 if (v->field_mode) {
1237 av_log(v->s.avctx, AV_LOG_DEBUG, "B Fields\n");
1238 if (v->extended_dmv)
1239 v->dmvrange = get_unary(gb, 0, 3);
1240 mvmode = get_unary(gb, 1, 3);
1241 lowquant = (v->pq > 12) ? 0 : 1;
1242 v->mv_mode = ff_vc1_mv_pmode_table2[lowquant][mvmode];
1243 v->qs_last = v->s.quarter_sample;
1244 v->s.quarter_sample = (v->mv_mode == MV_PMODE_1MV || v->mv_mode == MV_PMODE_MIXED_MV);
1245 v->s.mspel = !(v->mv_mode == MV_PMODE_1MV_HPEL_BILIN || v->mv_mode == MV_PMODE_1MV_HPEL);
1246 status = bitplane_decoding(v->forward_mb_plane, &v->fmb_is_raw, v);
1249 av_log(v->s.avctx, AV_LOG_DEBUG, "MB Forward Type plane encoding: "
1250 "Imode: %i, Invert: %i\n", status>>1, status&1);
1251 mbmodetab = get_bits(gb, 3);
1252 if (v->mv_mode == MV_PMODE_MIXED_MV)
1253 v->mbmode_vlc = &ff_vc1_if_mmv_mbmode_vlc[mbmodetab];
1255 v->mbmode_vlc = &ff_vc1_if_1mv_mbmode_vlc[mbmodetab];
1256 imvtab = get_bits(gb, 3);
1257 v->imv_vlc = &ff_vc1_2ref_mvdata_vlc[imvtab];
1258 icbptab = get_bits(gb, 3);
1259 v->cbpcy_vlc = &ff_vc1_icbpcy_vlc[icbptab];
1260 if (v->mv_mode == MV_PMODE_MIXED_MV) {
1261 fourmvbptab = get_bits(gb, 2);
1262 v->fourmvbp_vlc = &ff_vc1_4mv_block_pattern_vlc[fourmvbptab];
1264 v->numref = 1; // interlaced field B pictures are always 2-ref
1265 } else if (v->fcm == ILACE_FRAME) {
1266 if (v->extended_dmv)
1267 v->dmvrange = get_unary(gb, 0, 3);
1268 if (get_bits1(gb)) /* intcomp - present but shall always be 0 */
1269 av_log(v->s.avctx, AV_LOG_WARNING, "Intensity compensation set for B picture\n");
1271 v->mv_mode = MV_PMODE_1MV;
1272 v->fourmvswitch = 0;
1273 v->qs_last = v->s.quarter_sample;
1274 v->s.quarter_sample = 1;
1276 status = bitplane_decoding(v->direct_mb_plane, &v->dmb_is_raw, v);
1279 av_log(v->s.avctx, AV_LOG_DEBUG, "MB Direct Type plane encoding: "
1280 "Imode: %i, Invert: %i\n", status>>1, status&1);
1281 status = bitplane_decoding(v->s.mbskip_table, &v->skip_is_raw, v);
1284 av_log(v->s.avctx, AV_LOG_DEBUG, "MB Skip plane encoding: "
1285 "Imode: %i, Invert: %i\n", status>>1, status&1);
1286 mbmodetab = get_bits(gb, 2);
1287 v->mbmode_vlc = &ff_vc1_intfr_non4mv_mbmode_vlc[mbmodetab];
1288 imvtab = get_bits(gb, 2);
1289 v->imv_vlc = &ff_vc1_1ref_mvdata_vlc[imvtab];
1290 // interlaced p/b-picture cbpcy range is [1, 63]
1291 icbptab = get_bits(gb, 3);
1292 v->cbpcy_vlc = &ff_vc1_icbpcy_vlc[icbptab];
1293 twomvbptab = get_bits(gb, 2);
1294 v->twomvbp_vlc = &ff_vc1_2mv_block_pattern_vlc[twomvbptab];
1295 fourmvbptab = get_bits(gb, 2);
1296 v->fourmvbp_vlc = &ff_vc1_4mv_block_pattern_vlc[fourmvbptab];
1298 v->mv_mode = get_bits1(gb) ? MV_PMODE_1MV : MV_PMODE_1MV_HPEL_BILIN;
1299 v->qs_last = v->s.quarter_sample;
1300 v->s.quarter_sample = (v->mv_mode == MV_PMODE_1MV);
1301 v->s.mspel = v->s.quarter_sample;
1302 status = bitplane_decoding(v->direct_mb_plane, &v->dmb_is_raw, v);
1305 av_log(v->s.avctx, AV_LOG_DEBUG, "MB Direct Type plane encoding: "
1306 "Imode: %i, Invert: %i\n", status>>1, status&1);
1307 status = bitplane_decoding(v->s.mbskip_table, &v->skip_is_raw, v);
1310 av_log(v->s.avctx, AV_LOG_DEBUG, "MB Skip plane encoding: "
1311 "Imode: %i, Invert: %i\n", status>>1, status&1);
1312 v->s.mv_table_index = get_bits(gb, 2);
1313 v->cbpcy_vlc = &ff_vc1_cbpcy_p_vlc[get_bits(gb, 2)];
1317 av_log(v->s.avctx, AV_LOG_DEBUG, "VOP DQuant info\n");
1318 vop_dquant_decoding(v);
1322 if (v->vstransform) {
1323 v->ttmbf = get_bits1(gb);
1325 v->ttfrm = ff_vc1_ttfrm_to_tt[get_bits(gb, 2)];
1334 if (v->fcm != PROGRESSIVE && !v->s.quarter_sample) {
1340 v->c_ac_table_index = decode012(gb);
1341 if (v->s.pict_type == AV_PICTURE_TYPE_I || v->s.pict_type == AV_PICTURE_TYPE_BI) {
1342 v->y_ac_table_index = decode012(gb);
1345 v->s.dc_table_index = get_bits1(gb);
1346 if ((v->s.pict_type == AV_PICTURE_TYPE_I || v->s.pict_type == AV_PICTURE_TYPE_BI)
1348 av_log(v->s.avctx, AV_LOG_DEBUG, "VOP DQuant info\n");
1349 vop_dquant_decoding(v);
1353 if (v->s.pict_type == AV_PICTURE_TYPE_BI) {
1354 v->s.pict_type = AV_PICTURE_TYPE_B;
1360 static const uint32_t vc1_ac_tables[AC_MODES][186][2] = {
1362 { 0x0001, 2}, { 0x0005, 3}, { 0x000D, 4}, { 0x0012, 5}, { 0x000E, 6}, { 0x0015, 7},
1363 { 0x0013, 8}, { 0x003F, 8}, { 0x004B, 9}, { 0x011F, 9}, { 0x00B8, 10}, { 0x03E3, 10},
1364 { 0x0172, 11}, { 0x024D, 12}, { 0x03DA, 12}, { 0x02DD, 13}, { 0x1F55, 13}, { 0x05B9, 14},
1365 { 0x3EAE, 14}, { 0x0000, 4}, { 0x0010, 5}, { 0x0008, 7}, { 0x0020, 8}, { 0x0029, 9},
1366 { 0x01F4, 9}, { 0x0233, 10}, { 0x01E0, 11}, { 0x012A, 12}, { 0x03DD, 12}, { 0x050A, 13},
1367 { 0x1F29, 13}, { 0x0A42, 14}, { 0x1272, 15}, { 0x1737, 15}, { 0x0003, 5}, { 0x0011, 7},
1368 { 0x00C4, 8}, { 0x004B, 10}, { 0x00B4, 11}, { 0x07D4, 11}, { 0x0345, 12}, { 0x02D7, 13},
1369 { 0x07BF, 13}, { 0x0938, 14}, { 0x0BBB, 14}, { 0x095E, 15}, { 0x0013, 5}, { 0x0078, 7},
1370 { 0x0069, 9}, { 0x0232, 10}, { 0x0461, 11}, { 0x03EC, 12}, { 0x0520, 13}, { 0x1F2A, 13},
1371 { 0x3E50, 14}, { 0x3E51, 14}, { 0x1486, 15}, { 0x000C, 6}, { 0x0024, 9}, { 0x0094, 11},
1372 { 0x08C0, 12}, { 0x0F09, 14}, { 0x1EF0, 15}, { 0x003D, 6}, { 0x0053, 9}, { 0x01A0, 11},
1373 { 0x02D6, 13}, { 0x0F08, 14}, { 0x0013, 7}, { 0x007C, 9}, { 0x07C1, 11}, { 0x04AC, 14},
1374 { 0x001B, 7}, { 0x00A0, 10}, { 0x0344, 12}, { 0x0F79, 14}, { 0x0079, 7}, { 0x03E1, 10},
1375 { 0x02D4, 13}, { 0x2306, 14}, { 0x0021, 8}, { 0x023C, 10}, { 0x0FAE, 12}, { 0x23DE, 14},
1376 { 0x0035, 8}, { 0x0175, 11}, { 0x07B3, 13}, { 0x00C5, 8}, { 0x0174, 11}, { 0x0785, 13},
1377 { 0x0048, 9}, { 0x01A3, 11}, { 0x049E, 13}, { 0x002C, 9}, { 0x00FA, 10}, { 0x07D6, 11},
1378 { 0x0092, 10}, { 0x05CC, 13}, { 0x1EF1, 15}, { 0x00A3, 10}, { 0x03ED, 12}, { 0x093E, 14},
1379 { 0x01E2, 11}, { 0x1273, 15}, { 0x07C4, 11}, { 0x1487, 15}, { 0x0291, 12}, { 0x0293, 12},
1380 { 0x0F8A, 12}, { 0x0509, 13}, { 0x0508, 13}, { 0x078D, 13}, { 0x07BE, 13}, { 0x078C, 13},
1381 { 0x04AE, 14}, { 0x0BBA, 14}, { 0x2307, 14}, { 0x0B9A, 14}, { 0x1736, 15}, { 0x000E, 4},
1382 { 0x0045, 7}, { 0x01F3, 9}, { 0x047A, 11}, { 0x05DC, 13}, { 0x23DF, 14}, { 0x0019, 5},
1383 { 0x0028, 9}, { 0x0176, 11}, { 0x049D, 13}, { 0x23DD, 14}, { 0x0030, 6}, { 0x00A2, 10},
1384 { 0x02EF, 12}, { 0x05B8, 14}, { 0x003F, 6}, { 0x00A5, 10}, { 0x03DB, 12}, { 0x093F, 14},
1385 { 0x0044, 7}, { 0x07CB, 11}, { 0x095F, 15}, { 0x0063, 7}, { 0x03C3, 12}, { 0x0015, 8},
1386 { 0x08F6, 12}, { 0x0017, 8}, { 0x0498, 13}, { 0x002C, 8}, { 0x07B2, 13}, { 0x002F, 8},
1387 { 0x1F54, 13}, { 0x008D, 8}, { 0x07BD, 13}, { 0x008E, 8}, { 0x1182, 13}, { 0x00FB, 8},
1388 { 0x050B, 13}, { 0x002D, 8}, { 0x07C0, 11}, { 0x0079, 9}, { 0x1F5F, 13}, { 0x007A, 9},
1389 { 0x1F56, 13}, { 0x0231, 10}, { 0x03E4, 10}, { 0x01A1, 11}, { 0x0143, 11}, { 0x01F7, 11},
1390 { 0x016F, 12}, { 0x0292, 12}, { 0x02E7, 12}, { 0x016C, 12}, { 0x016D, 12}, { 0x03DC, 12},
1391 { 0x0F8B, 12}, { 0x0499, 13}, { 0x03D8, 12}, { 0x078E, 13}, { 0x02D5, 13}, { 0x1F5E, 13},
1392 { 0x1F2B, 13}, { 0x078F, 13}, { 0x04AD, 14}, { 0x3EAF, 14}, { 0x23DC, 14}, { 0x004A, 9}
1395 { 0x0000, 3}, { 0x0003, 4}, { 0x000B, 5}, { 0x0014, 6}, { 0x003F, 6}, { 0x005D, 7},
1396 { 0x00A2, 8}, { 0x00AC, 9}, { 0x016E, 9}, { 0x020A, 10}, { 0x02E2, 10}, { 0x0432, 11},
1397 { 0x05C9, 11}, { 0x0827, 12}, { 0x0B54, 12}, { 0x04E6, 13}, { 0x105F, 13}, { 0x172A, 13},
1398 { 0x20B2, 14}, { 0x2D4E, 14}, { 0x39F0, 14}, { 0x4175, 15}, { 0x5A9E, 15}, { 0x0004, 4},
1399 { 0x001E, 5}, { 0x0042, 7}, { 0x00B6, 8}, { 0x0173, 9}, { 0x0395, 10}, { 0x072E, 11},
1400 { 0x0B94, 12}, { 0x16A4, 13}, { 0x20B3, 14}, { 0x2E45, 14}, { 0x0005, 5}, { 0x0040, 7},
1401 { 0x0049, 9}, { 0x028F, 10}, { 0x05CB, 11}, { 0x048A, 13}, { 0x09DD, 14}, { 0x73E2, 15},
1402 { 0x0018, 5}, { 0x0025, 8}, { 0x008A, 10}, { 0x051B, 11}, { 0x0E5F, 12}, { 0x09C9, 14},
1403 { 0x139C, 15}, { 0x0029, 6}, { 0x004F, 9}, { 0x0412, 11}, { 0x048D, 13}, { 0x2E41, 14},
1404 { 0x0038, 6}, { 0x010E, 9}, { 0x05A8, 11}, { 0x105C, 13}, { 0x39F2, 14}, { 0x0058, 7},
1405 { 0x021F, 10}, { 0x0E7E, 12}, { 0x39FF, 14}, { 0x0023, 8}, { 0x02E3, 10}, { 0x04E5, 13},
1406 { 0x2E40, 14}, { 0x00A1, 8}, { 0x05BE, 11}, { 0x09C8, 14}, { 0x0083, 8}, { 0x013A, 11},
1407 { 0x1721, 13}, { 0x0044, 9}, { 0x0276, 12}, { 0x39F6, 14}, { 0x008B, 10}, { 0x04EF, 13},
1408 { 0x5A9B, 15}, { 0x0208, 10}, { 0x1CFE, 13}, { 0x0399, 10}, { 0x1CB4, 13}, { 0x039E, 10},
1409 { 0x39F3, 14}, { 0x05AB, 11}, { 0x73E3, 15}, { 0x0737, 11}, { 0x5A9F, 15}, { 0x082D, 12},
1410 { 0x0E69, 12}, { 0x0E68, 12}, { 0x0433, 11}, { 0x0B7B, 12}, { 0x2DF8, 14}, { 0x2E56, 14},
1411 { 0x2E57, 14}, { 0x39F7, 14}, { 0x51A5, 15}, { 0x0003, 3}, { 0x002A, 6}, { 0x00E4, 8},
1412 { 0x028E, 10}, { 0x0735, 11}, { 0x1058, 13}, { 0x1CFA, 13}, { 0x2DF9, 14}, { 0x4174, 15},
1413 { 0x0009, 4}, { 0x0054, 8}, { 0x0398, 10}, { 0x048B, 13}, { 0x139D, 15}, { 0x000D, 4},
1414 { 0x00AD, 9}, { 0x0826, 12}, { 0x2D4C, 14}, { 0x0011, 5}, { 0x016B, 9}, { 0x0B7F, 12},
1415 { 0x51A4, 15}, { 0x0019, 5}, { 0x021B, 10}, { 0x16FD, 13}, { 0x001D, 5}, { 0x0394, 10},
1416 { 0x28D3, 14}, { 0x002B, 6}, { 0x05BC, 11}, { 0x5A9A, 15}, { 0x002F, 6}, { 0x0247, 12},
1417 { 0x0010, 7}, { 0x0A35, 12}, { 0x003E, 6}, { 0x0B7A, 12}, { 0x0059, 7}, { 0x105E, 13},
1418 { 0x0026, 8}, { 0x09CF, 14}, { 0x0055, 8}, { 0x1CB5, 13}, { 0x0057, 8}, { 0x0E5B, 12},
1419 { 0x00A0, 8}, { 0x1468, 13}, { 0x0170, 9}, { 0x0090, 10}, { 0x01CE, 9}, { 0x021A, 10},
1420 { 0x0218, 10}, { 0x0168, 9}, { 0x021E, 10}, { 0x0244, 12}, { 0x0736, 11}, { 0x0138, 11},
1421 { 0x0519, 11}, { 0x0E5E, 12}, { 0x072C, 11}, { 0x0B55, 12}, { 0x09DC, 14}, { 0x20BB, 14},
1422 { 0x048C, 13}, { 0x1723, 13}, { 0x2E44, 14}, { 0x16A5, 13}, { 0x0518, 11}, { 0x39FE, 14},
1426 { 0x0001, 2}, { 0x0006, 3}, { 0x000F, 4}, { 0x0016, 5}, { 0x0020, 6}, { 0x0018, 7},
1427 { 0x0008, 8}, { 0x009A, 8}, { 0x0056, 9}, { 0x013E, 9}, { 0x00F0, 10}, { 0x03A5, 10},
1428 { 0x0077, 11}, { 0x01EF, 11}, { 0x009A, 12}, { 0x005D, 13}, { 0x0001, 4}, { 0x0011, 5},
1429 { 0x0002, 7}, { 0x000B, 8}, { 0x0012, 9}, { 0x01D6, 9}, { 0x027E, 10}, { 0x0191, 11},
1430 { 0x00EA, 12}, { 0x03DC, 12}, { 0x013B, 13}, { 0x0004, 5}, { 0x0014, 7}, { 0x009E, 8},
1431 { 0x0009, 10}, { 0x01AC, 11}, { 0x01E2, 11}, { 0x03CA, 12}, { 0x005F, 13}, { 0x0017, 5},
1432 { 0x004E, 7}, { 0x005E, 9}, { 0x00F3, 10}, { 0x01AD, 11}, { 0x00EC, 12}, { 0x05F0, 13},
1433 { 0x000E, 6}, { 0x00E1, 8}, { 0x03A4, 10}, { 0x009C, 12}, { 0x013D, 13}, { 0x003B, 6},
1434 { 0x001C, 9}, { 0x0014, 11}, { 0x09BE, 12}, { 0x0006, 7}, { 0x007A, 9}, { 0x0190, 11},
1435 { 0x0137, 13}, { 0x001B, 7}, { 0x0008, 10}, { 0x075C, 11}, { 0x0071, 7}, { 0x00D7, 10},
1436 { 0x09BF, 12}, { 0x0007, 8}, { 0x00AF, 10}, { 0x04CC, 11}, { 0x0034, 8}, { 0x0265, 10},
1437 { 0x009F, 12}, { 0x00E0, 8}, { 0x0016, 11}, { 0x0327, 12}, { 0x0015, 9}, { 0x017D, 11},
1438 { 0x0EBB, 12}, { 0x0014, 9}, { 0x00F6, 10}, { 0x01E4, 11}, { 0x00CB, 10}, { 0x099D, 12},
1439 { 0x00CA, 10}, { 0x02FC, 12}, { 0x017F, 11}, { 0x04CD, 11}, { 0x02FD, 12}, { 0x04FE, 11},
1440 { 0x013A, 13}, { 0x000A, 4}, { 0x0042, 7}, { 0x01D3, 9}, { 0x04DD, 11}, { 0x0012, 5},
1441 { 0x00E8, 8}, { 0x004C, 11}, { 0x0136, 13}, { 0x0039, 6}, { 0x0264, 10}, { 0x0EBA, 12},
1442 { 0x0000, 7}, { 0x00AE, 10}, { 0x099C, 12}, { 0x001F, 7}, { 0x04DE, 11}, { 0x0043, 7},
1443 { 0x04DC, 11}, { 0x0003, 8}, { 0x03CB, 12}, { 0x0006, 8}, { 0x099E, 12}, { 0x002A, 8},
1444 { 0x05F1, 13}, { 0x000F, 8}, { 0x09FE, 12}, { 0x0033, 8}, { 0x09FF, 12}, { 0x0098, 8},
1445 { 0x099F, 12}, { 0x00EA, 8}, { 0x013C, 13}, { 0x002E, 8}, { 0x0192, 11}, { 0x0136, 9},
1446 { 0x006A, 9}, { 0x0015, 11}, { 0x03AF, 10}, { 0x01E3, 11}, { 0x0074, 11}, { 0x00EB, 12},
1447 { 0x02F9, 12}, { 0x005C, 13}, { 0x00ED, 12}, { 0x03DD, 12}, { 0x0326, 12}, { 0x005E, 13},
1451 { 0x0004, 3}, { 0x0014, 5}, { 0x0017, 7}, { 0x007F, 8}, { 0x0154, 9}, { 0x01F2, 10},
1452 { 0x00BF, 11}, { 0x0065, 12}, { 0x0AAA, 12}, { 0x0630, 13}, { 0x1597, 13}, { 0x03B7, 14},
1453 { 0x2B22, 14}, { 0x0BE6, 15}, { 0x000B, 4}, { 0x0037, 7}, { 0x0062, 9}, { 0x0007, 11},
1454 { 0x0166, 12}, { 0x00CE, 13}, { 0x1590, 13}, { 0x05F6, 14}, { 0x0BE7, 15}, { 0x0007, 5},
1455 { 0x006D, 8}, { 0x0003, 11}, { 0x031F, 12}, { 0x05F2, 14}, { 0x0002, 6}, { 0x0061, 9},
1456 { 0x0055, 12}, { 0x01DF, 14}, { 0x001A, 6}, { 0x001E, 10}, { 0x0AC9, 12}, { 0x2B23, 14},
1457 { 0x001E, 6}, { 0x001F, 10}, { 0x0AC3, 12}, { 0x2B2B, 14}, { 0x0006, 7}, { 0x0004, 11},
1458 { 0x02F8, 13}, { 0x0019, 7}, { 0x0006, 11}, { 0x063D, 13}, { 0x0057, 7}, { 0x0182, 11},
1459 { 0x2AA2, 14}, { 0x0004, 8}, { 0x0180, 11}, { 0x059C, 14}, { 0x007D, 8}, { 0x0164, 12},
1460 { 0x076D, 15}, { 0x0002, 9}, { 0x018D, 11}, { 0x1581, 13}, { 0x00AD, 8}, { 0x0060, 12},
1461 { 0x0C67, 14}, { 0x001C, 9}, { 0x00EE, 13}, { 0x0003, 9}, { 0x02CF, 13}, { 0x00D9, 9},
1462 { 0x1580, 13}, { 0x0002, 11}, { 0x0183, 11}, { 0x0057, 12}, { 0x0061, 12}, { 0x0031, 11},
1463 { 0x0066, 12}, { 0x0631, 13}, { 0x0632, 13}, { 0x00AC, 13}, { 0x031D, 12}, { 0x0076, 12},
1464 { 0x003A, 11}, { 0x0165, 12}, { 0x0C66, 14}, { 0x0003, 2}, { 0x0054, 7}, { 0x02AB, 10},
1465 { 0x0016, 13}, { 0x05F7, 14}, { 0x0005, 4}, { 0x00F8, 9}, { 0x0AA9, 12}, { 0x005F, 15},
1466 { 0x0004, 4}, { 0x001C, 10}, { 0x1550, 13}, { 0x0004, 5}, { 0x0077, 11}, { 0x076C, 15},
1467 { 0x000E, 5}, { 0x000A, 12}, { 0x000C, 5}, { 0x0562, 11}, { 0x0004, 6}, { 0x031C, 12},
1468 { 0x0006, 6}, { 0x00C8, 13}, { 0x000D, 6}, { 0x01DA, 13}, { 0x0007, 6}, { 0x00C9, 13},
1469 { 0x0001, 7}, { 0x002E, 14}, { 0x0014, 7}, { 0x1596, 13}, { 0x000A, 7}, { 0x0AC2, 12},
1470 { 0x0016, 7}, { 0x015B, 14}, { 0x0015, 7}, { 0x015A, 14}, { 0x000F, 8}, { 0x005E, 15},
1471 { 0x007E, 8}, { 0x00AB, 8}, { 0x002D, 9}, { 0x00D8, 9}, { 0x000B, 9}, { 0x0014, 10},
1472 { 0x02B3, 10}, { 0x01F3, 10}, { 0x003A, 10}, { 0x0000, 10}, { 0x0058, 10}, { 0x002E, 9},
1473 { 0x005E, 10}, { 0x0563, 11}, { 0x00EC, 12}, { 0x0054, 12}, { 0x0AC1, 12}, { 0x1556, 13},
1474 { 0x02FA, 13}, { 0x0181, 11}, { 0x1557, 13}, { 0x059D, 14}, { 0x2AA3, 14}, { 0x2B2A, 14},
1475 { 0x01DE, 14}, { 0x063C, 13}, { 0x00CF, 13}, { 0x1594, 13}, { 0x000D, 9}
1478 { 0x0002, 2}, { 0x0006, 3}, { 0x000F, 4}, { 0x000D, 5}, { 0x000C, 5}, { 0x0015, 6},
1479 { 0x0013, 6}, { 0x0012, 6}, { 0x0017, 7}, { 0x001F, 8}, { 0x001E, 8}, { 0x001D, 8},
1480 { 0x0025, 9}, { 0x0024, 9}, { 0x0023, 9}, { 0x0021, 9}, { 0x0021, 10}, { 0x0020, 10},
1481 { 0x000F, 10}, { 0x000E, 10}, { 0x0007, 11}, { 0x0006, 11}, { 0x0020, 11}, { 0x0021, 11},
1482 { 0x0050, 12}, { 0x0051, 12}, { 0x0052, 12}, { 0x000E, 4}, { 0x0014, 6}, { 0x0016, 7},
1483 { 0x001C, 8}, { 0x0020, 9}, { 0x001F, 9}, { 0x000D, 10}, { 0x0022, 11}, { 0x0053, 12},
1484 { 0x0055, 12}, { 0x000B, 5}, { 0x0015, 7}, { 0x001E, 9}, { 0x000C, 10}, { 0x0056, 12},
1485 { 0x0011, 6}, { 0x001B, 8}, { 0x001D, 9}, { 0x000B, 10}, { 0x0010, 6}, { 0x0022, 9},
1486 { 0x000A, 10}, { 0x000D, 6}, { 0x001C, 9}, { 0x0008, 10}, { 0x0012, 7}, { 0x001B, 9},
1487 { 0x0054, 12}, { 0x0014, 7}, { 0x001A, 9}, { 0x0057, 12}, { 0x0019, 8}, { 0x0009, 10},
1488 { 0x0018, 8}, { 0x0023, 11}, { 0x0017, 8}, { 0x0019, 9}, { 0x0018, 9}, { 0x0007, 10},
1489 { 0x0058, 12}, { 0x0007, 4}, { 0x000C, 6}, { 0x0016, 8}, { 0x0017, 9}, { 0x0006, 10},
1490 { 0x0005, 11}, { 0x0004, 11}, { 0x0059, 12}, { 0x000F, 6}, { 0x0016, 9}, { 0x0005, 10},
1491 { 0x000E, 6}, { 0x0004, 10}, { 0x0011, 7}, { 0x0024, 11}, { 0x0010, 7}, { 0x0025, 11},
1492 { 0x0013, 7}, { 0x005A, 12}, { 0x0015, 8}, { 0x005B, 12}, { 0x0014, 8}, { 0x0013, 8},
1493 { 0x001A, 8}, { 0x0015, 9}, { 0x0014, 9}, { 0x0013, 9}, { 0x0012, 9}, { 0x0011, 9},
1494 { 0x0026, 11}, { 0x0027, 11}, { 0x005C, 12}, { 0x005D, 12}, { 0x005E, 12}, { 0x005F, 12},
1498 { 0x0002, 2}, { 0x000F, 4}, { 0x0015, 6}, { 0x0017, 7}, { 0x001F, 8}, { 0x0025, 9},
1499 { 0x0024, 9}, { 0x0021, 10}, { 0x0020, 10}, { 0x0007, 11}, { 0x0006, 11}, { 0x0020, 11},
1500 { 0x0006, 3}, { 0x0014, 6}, { 0x001E, 8}, { 0x000F, 10}, { 0x0021, 11}, { 0x0050, 12},
1501 { 0x000E, 4}, { 0x001D, 8}, { 0x000E, 10}, { 0x0051, 12}, { 0x000D, 5}, { 0x0023, 9},
1502 { 0x000D, 10}, { 0x000C, 5}, { 0x0022, 9}, { 0x0052, 12}, { 0x000B, 5}, { 0x000C, 10},
1503 { 0x0053, 12}, { 0x0013, 6}, { 0x000B, 10}, { 0x0054, 12}, { 0x0012, 6}, { 0x000A, 10},
1504 { 0x0011, 6}, { 0x0009, 10}, { 0x0010, 6}, { 0x0008, 10}, { 0x0016, 7}, { 0x0055, 12},
1505 { 0x0015, 7}, { 0x0014, 7}, { 0x001C, 8}, { 0x001B, 8}, { 0x0021, 9}, { 0x0020, 9},
1506 { 0x001F, 9}, { 0x001E, 9}, { 0x001D, 9}, { 0x001C, 9}, { 0x001B, 9}, { 0x001A, 9},
1507 { 0x0022, 11}, { 0x0023, 11}, { 0x0056, 12}, { 0x0057, 12}, { 0x0007, 4}, { 0x0019, 9},
1508 { 0x0005, 11}, { 0x000F, 6}, { 0x0004, 11}, { 0x000E, 6}, { 0x000D, 6}, { 0x000C, 6},
1509 { 0x0013, 7}, { 0x0012, 7}, { 0x0011, 7}, { 0x0010, 7}, { 0x001A, 8}, { 0x0019, 8},
1510 { 0x0018, 8}, { 0x0017, 8}, { 0x0016, 8}, { 0x0015, 8}, { 0x0014, 8}, { 0x0013, 8},
1511 { 0x0018, 9}, { 0x0017, 9}, { 0x0016, 9}, { 0x0015, 9}, { 0x0014, 9}, { 0x0013, 9},
1512 { 0x0012, 9}, { 0x0011, 9}, { 0x0007, 10}, { 0x0006, 10}, { 0x0005, 10}, { 0x0004, 10},
1513 { 0x0024, 11}, { 0x0025, 11}, { 0x0026, 11}, { 0x0027, 11}, { 0x0058, 12}, { 0x0059, 12},
1514 { 0x005A, 12}, { 0x005B, 12}, { 0x005C, 12}, { 0x005D, 12}, { 0x005E, 12}, { 0x005F, 12},
1518 { 0x0000, 2}, { 0x0003, 3}, { 0x000D, 4}, { 0x0005, 4}, { 0x001C, 5}, { 0x0016, 5},
1519 { 0x003F, 6}, { 0x003A, 6}, { 0x002E, 6}, { 0x0022, 6}, { 0x007B, 7}, { 0x0067, 7},
1520 { 0x005F, 7}, { 0x0047, 7}, { 0x0026, 7}, { 0x00EF, 8}, { 0x00CD, 8}, { 0x00C1, 8},
1521 { 0x00A9, 8}, { 0x004F, 8}, { 0x01F2, 9}, { 0x01DD, 9}, { 0x0199, 9}, { 0x0185, 9},
1522 { 0x015D, 9}, { 0x011B, 9}, { 0x03EF, 10}, { 0x03E1, 10}, { 0x03C8, 10}, { 0x0331, 10},
1523 { 0x0303, 10}, { 0x02F1, 10}, { 0x02A0, 10}, { 0x0233, 10}, { 0x0126, 10}, { 0x07C0, 11},
1524 { 0x076F, 11}, { 0x076C, 11}, { 0x0661, 11}, { 0x0604, 11}, { 0x0572, 11}, { 0x0551, 11},
1525 { 0x046A, 11}, { 0x0274, 11}, { 0x0F27, 12}, { 0x0F24, 12}, { 0x0EDB, 12}, { 0x0C8E, 12},
1526 { 0x0C0B, 12}, { 0x0C0A, 12}, { 0x0AE3, 12}, { 0x08D6, 12}, { 0x0490, 12}, { 0x0495, 12},
1527 { 0x1F19, 13}, { 0x1DB5, 13}, { 0x0009, 4}, { 0x0010, 5}, { 0x0029, 6}, { 0x0062, 7},
1528 { 0x00F3, 8}, { 0x00AD, 8}, { 0x01E5, 9}, { 0x0179, 9}, { 0x009C, 9}, { 0x03B1, 10},
1529 { 0x02AE, 10}, { 0x0127, 10}, { 0x076E, 11}, { 0x0570, 11}, { 0x0275, 11}, { 0x0F25, 12},
1530 { 0x0EC0, 12}, { 0x0AA0, 12}, { 0x08D7, 12}, { 0x1E4C, 13}, { 0x0008, 5}, { 0x0063, 7},
1531 { 0x00AF, 8}, { 0x017B, 9}, { 0x03B3, 10}, { 0x07DD, 11}, { 0x0640, 11}, { 0x0F8D, 12},
1532 { 0x0BC1, 12}, { 0x0491, 12}, { 0x0028, 6}, { 0x00C3, 8}, { 0x0151, 9}, { 0x02A1, 10},
1533 { 0x0573, 11}, { 0x0EC3, 12}, { 0x1F35, 13}, { 0x0065, 7}, { 0x01DA, 9}, { 0x02AF, 10},
1534 { 0x0277, 11}, { 0x08C9, 12}, { 0x1781, 13}, { 0x0025, 7}, { 0x0118, 9}, { 0x0646, 11},
1535 { 0x0AA6, 12}, { 0x1780, 13}, { 0x00C9, 8}, { 0x0321, 10}, { 0x0F9B, 12}, { 0x191E, 13},
1536 { 0x0048, 8}, { 0x07CC, 11}, { 0x0AA1, 12}, { 0x0180, 9}, { 0x0465, 11}, { 0x1905, 13},
1537 { 0x03E2, 10}, { 0x0EC1, 12}, { 0x3C9B, 14}, { 0x02F4, 10}, { 0x08C8, 12}, { 0x07C1, 11},
1538 { 0x0928, 13}, { 0x05E1, 11}, { 0x320D, 14}, { 0x0EC2, 12}, { 0x6418, 15}, { 0x1F34, 13},
1539 { 0x0078, 7}, { 0x0155, 9}, { 0x0552, 11}, { 0x191F, 13}, { 0x00FA, 8}, { 0x07DC, 11},
1540 { 0x1907, 13}, { 0x00AC, 8}, { 0x0249, 11}, { 0x13B1, 14}, { 0x01F6, 9}, { 0x0AE2, 12},
1541 { 0x01DC, 9}, { 0x04ED, 12}, { 0x0184, 9}, { 0x1904, 13}, { 0x0156, 9}, { 0x09D9, 13},
1542 { 0x03E7, 10}, { 0x0929, 13}, { 0x03B2, 10}, { 0x3B68, 14}, { 0x02F5, 10}, { 0x13B0, 14},
1543 { 0x0322, 10}, { 0x3B69, 14}, { 0x0234, 10}, { 0x7935, 15}, { 0x07C7, 11}, { 0xC833, 16},
1544 { 0x0660, 11}, { 0x7934, 15}, { 0x024B, 11}, { 0xC832, 16}, { 0x0AA7, 12}, { 0x1F18, 13},
1548 { 0x0002, 2}, { 0x0000, 3}, { 0x001E, 5}, { 0x0004, 5}, { 0x0012, 6}, { 0x0070, 7},
1549 { 0x001A, 7}, { 0x005F, 8}, { 0x0047, 8}, { 0x01D3, 9}, { 0x00B5, 9}, { 0x0057, 9},
1550 { 0x03B5, 10}, { 0x016D, 10}, { 0x0162, 10}, { 0x07CE, 11}, { 0x0719, 11}, { 0x0691, 11},
1551 { 0x02C6, 11}, { 0x0156, 11}, { 0x0F92, 12}, { 0x0D2E, 12}, { 0x0D20, 12}, { 0x059E, 12},
1552 { 0x0468, 12}, { 0x02A6, 12}, { 0x1DA2, 13}, { 0x1C60, 13}, { 0x1A43, 13}, { 0x0B1D, 13},
1553 { 0x08C0, 13}, { 0x055D, 13}, { 0x0003, 3}, { 0x000A, 5}, { 0x0077, 7}, { 0x00E5, 8},
1554 { 0x01D9, 9}, { 0x03E5, 10}, { 0x0166, 10}, { 0x0694, 11}, { 0x0152, 11}, { 0x059F, 12},
1555 { 0x1F3C, 13}, { 0x1A4B, 13}, { 0x055E, 13}, { 0x000C, 4}, { 0x007D, 7}, { 0x0044, 8},
1556 { 0x03E0, 10}, { 0x0769, 11}, { 0x0E31, 12}, { 0x1F26, 13}, { 0x055C, 13}, { 0x001B, 5},
1557 { 0x00E2, 8}, { 0x03A5, 10}, { 0x02C9, 11}, { 0x1F23, 13}, { 0x3B47, 14}, { 0x0007, 5},
1558 { 0x01D8, 9}, { 0x02D8, 11}, { 0x1F27, 13}, { 0x3494, 14}, { 0x0035, 6}, { 0x03E1, 10},
1559 { 0x059C, 12}, { 0x38C3, 14}, { 0x000C, 6}, { 0x0165, 10}, { 0x1D23, 13}, { 0x1638, 14},
1560 { 0x0068, 7}, { 0x0693, 11}, { 0x3A45, 14}, { 0x0020, 7}, { 0x0F90, 12}, { 0x7CF6, 15},
1561 { 0x00E8, 8}, { 0x058F, 12}, { 0x2CEF, 15}, { 0x0045, 8}, { 0x0B3A, 13}, { 0x01F1, 9},
1562 { 0x3B46, 14}, { 0x01A7, 9}, { 0x1676, 14}, { 0x0056, 9}, { 0x692A, 15}, { 0x038D, 10},
1563 { 0xE309, 16}, { 0x00AA, 10}, { 0x1C611, 17}, { 0x02DF, 11}, { 0xB3B9, 17}, { 0x02C8, 11},
1564 { 0x38C20, 18}, { 0x01B0, 11}, { 0x16390, 18}, { 0x0F9F, 12}, { 0x16771, 18}, { 0x0ED0, 12},
1565 { 0x71843, 19}, { 0x0D2A, 12}, { 0xF9E8C, 20}, { 0x0461, 12}, { 0xF9E8E, 20}, { 0x0B67, 13},
1566 { 0x055F, 13}, { 0x003F, 6}, { 0x006D, 9}, { 0x0E90, 12}, { 0x054E, 13}, { 0x0013, 6},
1567 { 0x0119, 10}, { 0x0B66, 13}, { 0x000B, 6}, { 0x0235, 11}, { 0x7CF5, 15}, { 0x0075, 7},
1568 { 0x0D24, 12}, { 0xF9E9, 16}, { 0x002E, 7}, { 0x1F22, 13}, { 0x0021, 7}, { 0x054F, 13},
1569 { 0x0014, 7}, { 0x3A44, 14}, { 0x00E4, 8}, { 0x7CF7, 15}, { 0x005E, 8}, { 0x7185, 15},
1570 { 0x0037, 8}, { 0x2C73, 15}, { 0x01DB, 9}, { 0x59DD, 16}, { 0x01C7, 9}, { 0x692B, 15},
1571 { 0x01A6, 9}, { 0x58E5, 16}, { 0x00B4, 9}, { 0x1F3D0, 17}, { 0x00B0, 9}, { 0xB1C9, 17},
1572 { 0x03E6, 10}, { 0x16770, 18}, { 0x016E, 10}, { 0x3E7A2, 18}, { 0x011B, 10}, { 0xF9E8D, 20},
1573 { 0x00D9, 10}, { 0xF9E8F, 20}, { 0x00A8, 10}, { 0x2C723, 19}, { 0x0749, 11}, { 0xE3084, 20},
1574 { 0x0696, 11}, { 0x58E45, 20}, { 0x02DE, 11}, { 0xB1C88, 21}, { 0x0231, 11}, { 0x1C610A, 21},
1575 { 0x01B1, 11}, { 0x71842D, 23}, { 0x0D2B, 12}, { 0x38C217, 22}, { 0x0D2F, 12}, { 0x163913, 22},
1576 { 0x05B2, 12}, { 0x163912, 22}, { 0x0469, 12}, { 0x71842C, 23}, { 0x1A42, 13}, { 0x08C1, 13},
1581 static const uint16_t vlc_offs[] = {
1582 0, 520, 552, 616, 1128, 1160, 1224, 1740, 1772, 1836, 1900, 2436,
1583 2986, 3050, 3610, 4154, 4218, 4746, 5326, 5390, 5902, 6554, 7658, 8342,
1584 9304, 9988, 10630, 11234, 12174, 13006, 13560, 14232, 14786, 15432, 16350, 17522,
1585 20372, 21818, 22330, 22394, 23166, 23678, 23742, 24820, 25332, 25396, 26460, 26980,
1586 27048, 27592, 27600, 27608, 27616, 27624, 28224, 28258, 28290, 28802, 28834, 28866,
1587 29378, 29412, 29444, 29960, 29994, 30026, 30538, 30572, 30604, 31120, 31154, 31186,
1588 31714, 31746, 31778, 32306, 32340, 32372
1592 * Init VC-1 specific tables and VC1Context members
1593 * @param v The VC1Context to initialize
1596 av_cold int ff_vc1_init_common(VC1Context *v)
1598 static int done = 0;
1600 static VLC_TYPE vlc_table[32372][2];
1602 v->hrd_rate = v->hrd_buffer = NULL;
1606 INIT_VLC_STATIC(&ff_vc1_bfraction_vlc, VC1_BFRACTION_VLC_BITS, 23,
1607 ff_vc1_bfraction_bits, 1, 1,
1608 ff_vc1_bfraction_codes, 1, 1, 1 << VC1_BFRACTION_VLC_BITS);
1609 INIT_VLC_STATIC(&ff_vc1_norm2_vlc, VC1_NORM2_VLC_BITS, 4,
1610 ff_vc1_norm2_bits, 1, 1,
1611 ff_vc1_norm2_codes, 1, 1, 1 << VC1_NORM2_VLC_BITS);
1612 INIT_VLC_STATIC(&ff_vc1_norm6_vlc, VC1_NORM6_VLC_BITS, 64,
1613 ff_vc1_norm6_bits, 1, 1,
1614 ff_vc1_norm6_codes, 2, 2, 556);
1615 INIT_VLC_STATIC(&ff_vc1_imode_vlc, VC1_IMODE_VLC_BITS, 7,
1616 ff_vc1_imode_bits, 1, 1,
1617 ff_vc1_imode_codes, 1, 1, 1 << VC1_IMODE_VLC_BITS);
1618 for (i = 0; i < 3; i++) {
1619 ff_vc1_ttmb_vlc[i].table = &vlc_table[vlc_offs[i * 3 + 0]];
1620 ff_vc1_ttmb_vlc[i].table_allocated = vlc_offs[i * 3 + 1] - vlc_offs[i * 3 + 0];
1621 init_vlc(&ff_vc1_ttmb_vlc[i], VC1_TTMB_VLC_BITS, 16,
1622 ff_vc1_ttmb_bits[i], 1, 1,
1623 ff_vc1_ttmb_codes[i], 2, 2, INIT_VLC_USE_NEW_STATIC);
1624 ff_vc1_ttblk_vlc[i].table = &vlc_table[vlc_offs[i * 3 + 1]];
1625 ff_vc1_ttblk_vlc[i].table_allocated = vlc_offs[i * 3 + 2] - vlc_offs[i * 3 + 1];
1626 init_vlc(&ff_vc1_ttblk_vlc[i], VC1_TTBLK_VLC_BITS, 8,
1627 ff_vc1_ttblk_bits[i], 1, 1,
1628 ff_vc1_ttblk_codes[i], 1, 1, INIT_VLC_USE_NEW_STATIC);
1629 ff_vc1_subblkpat_vlc[i].table = &vlc_table[vlc_offs[i * 3 + 2]];
1630 ff_vc1_subblkpat_vlc[i].table_allocated = vlc_offs[i * 3 + 3] - vlc_offs[i * 3 + 2];
1631 init_vlc(&ff_vc1_subblkpat_vlc[i], VC1_SUBBLKPAT_VLC_BITS, 15,
1632 ff_vc1_subblkpat_bits[i], 1, 1,
1633 ff_vc1_subblkpat_codes[i], 1, 1, INIT_VLC_USE_NEW_STATIC);
1635 for (i = 0; i < 4; i++) {
1636 ff_vc1_4mv_block_pattern_vlc[i].table = &vlc_table[vlc_offs[i * 3 + 9]];
1637 ff_vc1_4mv_block_pattern_vlc[i].table_allocated = vlc_offs[i * 3 + 10] - vlc_offs[i * 3 + 9];
1638 init_vlc(&ff_vc1_4mv_block_pattern_vlc[i], VC1_4MV_BLOCK_PATTERN_VLC_BITS, 16,
1639 ff_vc1_4mv_block_pattern_bits[i], 1, 1,
1640 ff_vc1_4mv_block_pattern_codes[i], 1, 1, INIT_VLC_USE_NEW_STATIC);
1641 ff_vc1_cbpcy_p_vlc[i].table = &vlc_table[vlc_offs[i * 3 + 10]];
1642 ff_vc1_cbpcy_p_vlc[i].table_allocated = vlc_offs[i * 3 + 11] - vlc_offs[i * 3 + 10];
1643 init_vlc(&ff_vc1_cbpcy_p_vlc[i], VC1_CBPCY_P_VLC_BITS, 64,
1644 ff_vc1_cbpcy_p_bits[i], 1, 1,
1645 ff_vc1_cbpcy_p_codes[i], 2, 2, INIT_VLC_USE_NEW_STATIC);
1646 ff_vc1_mv_diff_vlc[i].table = &vlc_table[vlc_offs[i * 3 + 11]];
1647 ff_vc1_mv_diff_vlc[i].table_allocated = vlc_offs[i * 3 + 12] - vlc_offs[i * 3 + 11];
1648 init_vlc(&ff_vc1_mv_diff_vlc[i], VC1_MV_DIFF_VLC_BITS, 73,
1649 ff_vc1_mv_diff_bits[i], 1, 1,
1650 ff_vc1_mv_diff_codes[i], 2, 2, INIT_VLC_USE_NEW_STATIC);
1652 for (i = 0; i < 8; i++) {
1653 ff_vc1_ac_coeff_table[i].table = &vlc_table[vlc_offs[i * 2 + 21]];
1654 ff_vc1_ac_coeff_table[i].table_allocated = vlc_offs[i * 2 + 22] - vlc_offs[i * 2 + 21];
1655 init_vlc(&ff_vc1_ac_coeff_table[i], AC_VLC_BITS, ff_vc1_ac_sizes[i],
1656 &vc1_ac_tables[i][0][1], 8, 4,
1657 &vc1_ac_tables[i][0][0], 8, 4, INIT_VLC_USE_NEW_STATIC);
1658 /* initialize interlaced MVDATA tables (2-Ref) */
1659 ff_vc1_2ref_mvdata_vlc[i].table = &vlc_table[vlc_offs[i * 2 + 22]];
1660 ff_vc1_2ref_mvdata_vlc[i].table_allocated = vlc_offs[i * 2 + 23] - vlc_offs[i * 2 + 22];
1661 init_vlc(&ff_vc1_2ref_mvdata_vlc[i], VC1_2REF_MVDATA_VLC_BITS, 126,
1662 ff_vc1_2ref_mvdata_bits[i], 1, 1,
1663 ff_vc1_2ref_mvdata_codes[i], 4, 4, INIT_VLC_USE_NEW_STATIC);
1665 for (i = 0; i < 4; i++) {
1666 /* initialize 4MV MBMODE VLC tables for interlaced frame P picture */
1667 ff_vc1_intfr_4mv_mbmode_vlc[i].table = &vlc_table[vlc_offs[i * 3 + 37]];
1668 ff_vc1_intfr_4mv_mbmode_vlc[i].table_allocated = vlc_offs[i * 3 + 38] - vlc_offs[i * 3 + 37];
1669 init_vlc(&ff_vc1_intfr_4mv_mbmode_vlc[i], VC1_INTFR_4MV_MBMODE_VLC_BITS, 15,
1670 ff_vc1_intfr_4mv_mbmode_bits[i], 1, 1,
1671 ff_vc1_intfr_4mv_mbmode_codes[i], 2, 2, INIT_VLC_USE_NEW_STATIC);
1672 /* initialize NON-4MV MBMODE VLC tables for the same */
1673 ff_vc1_intfr_non4mv_mbmode_vlc[i].table = &vlc_table[vlc_offs[i * 3 + 38]];
1674 ff_vc1_intfr_non4mv_mbmode_vlc[i].table_allocated = vlc_offs[i * 3 + 39] - vlc_offs[i * 3 + 38];
1675 init_vlc(&ff_vc1_intfr_non4mv_mbmode_vlc[i], VC1_INTFR_NON4MV_MBMODE_VLC_BITS, 9,
1676 ff_vc1_intfr_non4mv_mbmode_bits[i], 1, 1,
1677 ff_vc1_intfr_non4mv_mbmode_codes[i], 1, 1, INIT_VLC_USE_NEW_STATIC);
1678 /* initialize interlaced MVDATA tables (1-Ref) */
1679 ff_vc1_1ref_mvdata_vlc[i].table = &vlc_table[vlc_offs[i * 3 + 39]];
1680 ff_vc1_1ref_mvdata_vlc[i].table_allocated = vlc_offs[i * 3 + 40] - vlc_offs[i * 3 + 39];
1681 init_vlc(&ff_vc1_1ref_mvdata_vlc[i], VC1_1REF_MVDATA_VLC_BITS, 72,
1682 ff_vc1_1ref_mvdata_bits[i], 1, 1,
1683 ff_vc1_1ref_mvdata_codes[i], 4, 4, INIT_VLC_USE_NEW_STATIC);
1685 for (i = 0; i < 4; i++) {
1686 /* Initialize 2MV Block pattern VLC tables */
1687 ff_vc1_2mv_block_pattern_vlc[i].table = &vlc_table[vlc_offs[i + 49]];
1688 ff_vc1_2mv_block_pattern_vlc[i].table_allocated = vlc_offs[i + 50] - vlc_offs[i + 49];
1689 init_vlc(&ff_vc1_2mv_block_pattern_vlc[i], VC1_2MV_BLOCK_PATTERN_VLC_BITS, 4,
1690 ff_vc1_2mv_block_pattern_bits[i], 1, 1,
1691 ff_vc1_2mv_block_pattern_codes[i], 1, 1, INIT_VLC_USE_NEW_STATIC);
1693 for (i = 0; i < 8; i++) {
1694 /* Initialize interlaced CBPCY VLC tables (Table 124 - Table 131) */
1695 ff_vc1_icbpcy_vlc[i].table = &vlc_table[vlc_offs[i * 3 + 53]];
1696 ff_vc1_icbpcy_vlc[i].table_allocated = vlc_offs[i * 3 + 54] - vlc_offs[i * 3 + 53];
1697 init_vlc(&ff_vc1_icbpcy_vlc[i], VC1_ICBPCY_VLC_BITS, 63,
1698 ff_vc1_icbpcy_p_bits[i], 1, 1,
1699 ff_vc1_icbpcy_p_codes[i], 2, 2, INIT_VLC_USE_NEW_STATIC);
1700 /* Initialize interlaced field picture MBMODE VLC tables */
1701 ff_vc1_if_mmv_mbmode_vlc[i].table = &vlc_table[vlc_offs[i * 3 + 54]];
1702 ff_vc1_if_mmv_mbmode_vlc[i].table_allocated = vlc_offs[i * 3 + 55] - vlc_offs[i * 3 + 54];
1703 init_vlc(&ff_vc1_if_mmv_mbmode_vlc[i], VC1_IF_MMV_MBMODE_VLC_BITS, 8,
1704 ff_vc1_if_mmv_mbmode_bits[i], 1, 1,
1705 ff_vc1_if_mmv_mbmode_codes[i], 1, 1, INIT_VLC_USE_NEW_STATIC);
1706 ff_vc1_if_1mv_mbmode_vlc[i].table = &vlc_table[vlc_offs[i * 3 + 55]];
1707 ff_vc1_if_1mv_mbmode_vlc[i].table_allocated = vlc_offs[i * 3 + 56] - vlc_offs[i * 3 + 55];
1708 init_vlc(&ff_vc1_if_1mv_mbmode_vlc[i], VC1_IF_1MV_MBMODE_VLC_BITS, 6,
1709 ff_vc1_if_1mv_mbmode_bits[i], 1, 1,
1710 ff_vc1_if_1mv_mbmode_codes[i], 1, 1, INIT_VLC_USE_NEW_STATIC);
1715 /* Other defaults */
1717 v->mvrange = 0; /* 7.1.1.18, p80 */
1719 ff_vc1dsp_init(&v->vc1dsp);