| /* |
| * VC-1 and WMV3 decoder common code |
| * Copyright (c) 2011 Mashiat Sarker Shakkhar |
| * Copyright (c) 2006-2007 Konstantin Shishkov |
| * Partly based on vc9.c (c) 2005 Anonymous, Alex Beregszaszi, Michael Niedermayer |
| * |
| * This file is part of FFmpeg. |
| * |
| * FFmpeg is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU Lesser General Public |
| * License as published by the Free Software Foundation; either |
| * version 2.1 of the License, or (at your option) any later version. |
| * |
| * FFmpeg is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| * Lesser General Public License for more details. |
| * |
| * You should have received a copy of the GNU Lesser General Public |
| * License along with FFmpeg; if not, write to the Free Software |
| * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
| */ |
| |
| /** |
| * @file |
| * VC-1 and WMV3 decoder common code |
| * |
| */ |
| |
| #include "libavutil/attributes.h" |
| #include "internal.h" |
| #include "avcodec.h" |
| #include "mpegvideo.h" |
| #include "vc1.h" |
| #include "vc1data.h" |
| #include "msmpeg4data.h" |
| #include "unary.h" |
| #include "simple_idct.h" |
| |
| /***********************************************************************/ |
| /** |
| * @name VC-1 Bitplane decoding |
| * @see 8.7, p56 |
| * @{ |
| */ |
| |
| /** Decode rows by checking if they are skipped |
| * @param plane Buffer to store decoded bits |
| * @param[in] width Width of this buffer |
| * @param[in] height Height of this buffer |
| * @param[in] stride of this buffer |
| */ |
| static void decode_rowskip(uint8_t* plane, int width, int height, int stride, |
| GetBitContext *gb) |
| { |
| int x, y; |
| |
| for (y = 0; y < height; y++) { |
| if (!get_bits1(gb)) //rowskip |
| memset(plane, 0, width); |
| else |
| for (x = 0; x < width; x++) |
| plane[x] = get_bits1(gb); |
| plane += stride; |
| } |
| } |
| |
| /** Decode columns by checking if they are skipped |
| * @param plane Buffer to store decoded bits |
| * @param[in] width Width of this buffer |
| * @param[in] height Height of this buffer |
| * @param[in] stride of this buffer |
| * @todo FIXME: Optimize |
| */ |
| static void decode_colskip(uint8_t* plane, int width, int height, int stride, |
| GetBitContext *gb) |
| { |
| int x, y; |
| |
| for (x = 0; x < width; x++) { |
| if (!get_bits1(gb)) //colskip |
| for (y = 0; y < height; y++) |
| plane[y*stride] = 0; |
| else |
| for (y = 0; y < height; y++) |
| plane[y*stride] = get_bits1(gb); |
| plane ++; |
| } |
| } |
| |
| /** Decode a bitplane's bits |
| * @param data bitplane where to store the decode bits |
| * @param[out] raw_flag pointer to the flag indicating that this bitplane is not coded explicitly |
| * @param v VC-1 context for bit reading and logging |
| * @return Status |
| * @todo FIXME: Optimize |
| */ |
| static int bitplane_decoding(uint8_t* data, int *raw_flag, VC1Context *v) |
| { |
| GetBitContext *gb = &v->s.gb; |
| |
| int imode, x, y, code, offset; |
| uint8_t invert, *planep = data; |
| int width, height, stride; |
| |
| width = v->s.mb_width; |
| height = v->s.mb_height >> v->field_mode; |
| stride = v->s.mb_stride; |
| invert = get_bits1(gb); |
| imode = get_vlc2(gb, ff_vc1_imode_vlc.table, VC1_IMODE_VLC_BITS, 1); |
| |
| *raw_flag = 0; |
| switch (imode) { |
| case IMODE_RAW: |
| //Data is actually read in the MB layer (same for all tests == "raw") |
| *raw_flag = 1; //invert ignored |
| return invert; |
| case IMODE_DIFF2: |
| case IMODE_NORM2: |
| if ((height * width) & 1) { |
| *planep++ = get_bits1(gb); |
| y = offset = 1; |
| if (offset == width) { |
| offset = 0; |
| planep += stride - width; |
| } |
| } |
| else |
| y = offset = 0; |
| // decode bitplane as one long line |
| for (; y < height * width; y += 2) { |
| code = get_vlc2(gb, ff_vc1_norm2_vlc.table, VC1_NORM2_VLC_BITS, 1); |
| *planep++ = code & 1; |
| offset++; |
| if (offset == width) { |
| offset = 0; |
| planep += stride - width; |
| } |
| *planep++ = code >> 1; |
| offset++; |
| if (offset == width) { |
| offset = 0; |
| planep += stride - width; |
| } |
| } |
| break; |
| case IMODE_DIFF6: |
| case IMODE_NORM6: |
| if (!(height % 3) && (width % 3)) { // use 2x3 decoding |
| for (y = 0; y < height; y += 3) { |
| for (x = width & 1; x < width; x += 2) { |
| code = get_vlc2(gb, ff_vc1_norm6_vlc.table, VC1_NORM6_VLC_BITS, 2); |
| if (code < 0) { |
| av_log(v->s.avctx, AV_LOG_DEBUG, "invalid NORM-6 VLC\n"); |
| return -1; |
| } |
| planep[x + 0] = (code >> 0) & 1; |
| planep[x + 1] = (code >> 1) & 1; |
| planep[x + 0 + stride] = (code >> 2) & 1; |
| planep[x + 1 + stride] = (code >> 3) & 1; |
| planep[x + 0 + stride * 2] = (code >> 4) & 1; |
| planep[x + 1 + stride * 2] = (code >> 5) & 1; |
| } |
| planep += stride * 3; |
| } |
| if (width & 1) |
| decode_colskip(data, 1, height, stride, &v->s.gb); |
| } else { // 3x2 |
| planep += (height & 1) * stride; |
| for (y = height & 1; y < height; y += 2) { |
| for (x = width % 3; x < width; x += 3) { |
| code = get_vlc2(gb, ff_vc1_norm6_vlc.table, VC1_NORM6_VLC_BITS, 2); |
| if (code < 0) { |
| av_log(v->s.avctx, AV_LOG_DEBUG, "invalid NORM-6 VLC\n"); |
| return -1; |
| } |
| planep[x + 0] = (code >> 0) & 1; |
| planep[x + 1] = (code >> 1) & 1; |
| planep[x + 2] = (code >> 2) & 1; |
| planep[x + 0 + stride] = (code >> 3) & 1; |
| planep[x + 1 + stride] = (code >> 4) & 1; |
| planep[x + 2 + stride] = (code >> 5) & 1; |
| } |
| planep += stride * 2; |
| } |
| x = width % 3; |
| if (x) |
| decode_colskip(data, x, height, stride, &v->s.gb); |
| if (height & 1) |
| decode_rowskip(data + x, width - x, 1, stride, &v->s.gb); |
| } |
| break; |
| case IMODE_ROWSKIP: |
| decode_rowskip(data, width, height, stride, &v->s.gb); |
| break; |
| case IMODE_COLSKIP: |
| decode_colskip(data, width, height, stride, &v->s.gb); |
| break; |
| default: |
| break; |
| } |
| |
| /* Applying diff operator */ |
| if (imode == IMODE_DIFF2 || imode == IMODE_DIFF6) { |
| planep = data; |
| planep[0] ^= invert; |
| for (x = 1; x < width; x++) |
| planep[x] ^= planep[x-1]; |
| for (y = 1; y < height; y++) { |
| planep += stride; |
| planep[0] ^= planep[-stride]; |
| for (x = 1; x < width; x++) { |
| if (planep[x-1] != planep[x-stride]) planep[x] ^= invert; |
| else planep[x] ^= planep[x-1]; |
| } |
| } |
| } else if (invert) { |
| planep = data; |
| for (x = 0; x < stride * height; x++) |
| planep[x] = !planep[x]; //FIXME stride |
| } |
| return (imode << 1) + invert; |
| } |
| |
| /** @} */ //Bitplane group |
| |
| /***********************************************************************/ |
| /** VOP Dquant decoding |
| * @param v VC-1 Context |
| */ |
| static int vop_dquant_decoding(VC1Context *v) |
| { |
| GetBitContext *gb = &v->s.gb; |
| int pqdiff; |
| |
| //variable size |
| if (v->dquant != 2) { |
| v->dquantfrm = get_bits1(gb); |
| if (!v->dquantfrm) |
| return 0; |
| |
| v->dqprofile = get_bits(gb, 2); |
| switch (v->dqprofile) { |
| case DQPROFILE_SINGLE_EDGE: |
| case DQPROFILE_DOUBLE_EDGES: |
| v->dqsbedge = get_bits(gb, 2); |
| break; |
| case DQPROFILE_ALL_MBS: |
| v->dqbilevel = get_bits1(gb); |
| if (!v->dqbilevel) { |
| v->halfpq = 0; |
| return 0; |
| } |
| default: |
| break; //Forbidden ? |
| } |
| } |
| |
| pqdiff = get_bits(gb, 3); |
| if (pqdiff == 7) |
| v->altpq = get_bits(gb, 5); |
| else |
| v->altpq = v->pq + pqdiff + 1; |
| |
| return 0; |
| } |
| |
| static int decode_sequence_header_adv(VC1Context *v, GetBitContext *gb); |
| |
| /** |
| * Decode Simple/Main Profiles sequence header |
| * @see Figure 7-8, p16-17 |
| * @param avctx Codec context |
| * @param gb GetBit context initialized from Codec context extra_data |
| * @return Status |
| */ |
| int ff_vc1_decode_sequence_header(AVCodecContext *avctx, VC1Context *v, GetBitContext *gb) |
| { |
| av_log(avctx, AV_LOG_DEBUG, "Header: %0X\n", show_bits_long(gb, 32)); |
| v->profile = get_bits(gb, 2); |
| if (v->profile == PROFILE_COMPLEX) { |
| av_log(avctx, AV_LOG_WARNING, "WMV3 Complex Profile is not fully supported\n"); |
| } |
| |
| if (v->profile == PROFILE_ADVANCED) { |
| v->zz_8x4 = ff_vc1_adv_progressive_8x4_zz; |
| v->zz_4x8 = ff_vc1_adv_progressive_4x8_zz; |
| return decode_sequence_header_adv(v, gb); |
| } else { |
| v->chromaformat = 1; |
| v->zz_8x4 = ff_wmv2_scantableA; |
| v->zz_4x8 = ff_wmv2_scantableB; |
| v->res_y411 = get_bits1(gb); |
| v->res_sprite = get_bits1(gb); |
| if (v->res_y411) { |
| av_log(avctx, AV_LOG_ERROR, |
| "Old interlaced mode is not supported\n"); |
| return -1; |
| } |
| } |
| |
| // (fps-2)/4 (->30) |
| v->frmrtq_postproc = get_bits(gb, 3); //common |
| // (bitrate-32kbps)/64kbps |
| v->bitrtq_postproc = get_bits(gb, 5); //common |
| v->s.loop_filter = get_bits1(gb); //common |
| if (v->s.loop_filter == 1 && v->profile == PROFILE_SIMPLE) { |
| av_log(avctx, AV_LOG_ERROR, |
| "LOOPFILTER shall not be enabled in Simple Profile\n"); |
| } |
| if (v->s.avctx->skip_loop_filter >= AVDISCARD_ALL) |
| v->s.loop_filter = 0; |
| |
| v->res_x8 = get_bits1(gb); //reserved |
| v->multires = get_bits1(gb); |
| v->res_fasttx = get_bits1(gb); |
| if (!v->res_fasttx) { |
| v->vc1dsp.vc1_inv_trans_8x8 = ff_simple_idct_8; |
| v->vc1dsp.vc1_inv_trans_8x4 = ff_simple_idct84_add; |
| v->vc1dsp.vc1_inv_trans_4x8 = ff_simple_idct48_add; |
| v->vc1dsp.vc1_inv_trans_4x4 = ff_simple_idct44_add; |
| v->vc1dsp.vc1_inv_trans_8x8_dc = ff_simple_idct_add_8; |
| v->vc1dsp.vc1_inv_trans_8x4_dc = ff_simple_idct84_add; |
| v->vc1dsp.vc1_inv_trans_4x8_dc = ff_simple_idct48_add; |
| v->vc1dsp.vc1_inv_trans_4x4_dc = ff_simple_idct44_add; |
| } |
| |
| v->fastuvmc = get_bits1(gb); //common |
| if (!v->profile && !v->fastuvmc) { |
| av_log(avctx, AV_LOG_ERROR, |
| "FASTUVMC unavailable in Simple Profile\n"); |
| return -1; |
| } |
| v->extended_mv = get_bits1(gb); //common |
| if (!v->profile && v->extended_mv) { |
| av_log(avctx, AV_LOG_ERROR, |
| "Extended MVs unavailable in Simple Profile\n"); |
| return -1; |
| } |
| v->dquant = get_bits(gb, 2); //common |
| v->vstransform = get_bits1(gb); //common |
| |
| v->res_transtab = get_bits1(gb); |
| if (v->res_transtab) { |
| av_log(avctx, AV_LOG_ERROR, |
| "1 for reserved RES_TRANSTAB is forbidden\n"); |
| return -1; |
| } |
| |
| v->overlap = get_bits1(gb); //common |
| |
| v->resync_marker = get_bits1(gb); |
| v->rangered = get_bits1(gb); |
| if (v->rangered && v->profile == PROFILE_SIMPLE) { |
| av_log(avctx, AV_LOG_INFO, |
| "RANGERED should be set to 0 in Simple Profile\n"); |
| } |
| |
| v->s.max_b_frames = avctx->max_b_frames = get_bits(gb, 3); //common |
| v->quantizer_mode = get_bits(gb, 2); //common |
| |
| v->finterpflag = get_bits1(gb); //common |
| |
| if (v->res_sprite) { |
| int w = get_bits(gb, 11); |
| int h = get_bits(gb, 11); |
| int ret = ff_set_dimensions(v->s.avctx, w, h); |
| if (ret < 0) { |
| av_log(avctx, AV_LOG_ERROR, "Failed to set dimensions %d %d\n", w, h); |
| return ret; |
| } |
| skip_bits(gb, 5); //frame rate |
| v->res_x8 = get_bits1(gb); |
| if (get_bits1(gb)) { // something to do with DC VLC selection |
| av_log(avctx, AV_LOG_ERROR, "Unsupported sprite feature\n"); |
| return -1; |
| } |
| skip_bits(gb, 3); //slice code |
| v->res_rtm_flag = 0; |
| } else { |
| v->res_rtm_flag = get_bits1(gb); //reserved |
| } |
| if (!v->res_rtm_flag) { |
| av_log(avctx, AV_LOG_ERROR, |
| "Old WMV3 version detected, some frames may be decoded incorrectly\n"); |
| //return -1; |
| } |
| //TODO: figure out what they mean (always 0x402F) |
| if (!v->res_fasttx) |
| skip_bits(gb, 16); |
| av_log(avctx, AV_LOG_DEBUG, |
| "Profile %i:\nfrmrtq_postproc=%i, bitrtq_postproc=%i\n" |
| "LoopFilter=%i, MultiRes=%i, FastUVMC=%i, Extended MV=%i\n" |
| "Rangered=%i, VSTransform=%i, Overlap=%i, SyncMarker=%i\n" |
| "DQuant=%i, Quantizer mode=%i, Max B frames=%i\n", |
| v->profile, v->frmrtq_postproc, v->bitrtq_postproc, |
| v->s.loop_filter, v->multires, v->fastuvmc, v->extended_mv, |
| v->rangered, v->vstransform, v->overlap, v->resync_marker, |
| v->dquant, v->quantizer_mode, avctx->max_b_frames); |
| return 0; |
| } |
| |
| static int decode_sequence_header_adv(VC1Context *v, GetBitContext *gb) |
| { |
| v->res_rtm_flag = 1; |
| v->level = get_bits(gb, 3); |
| if (v->level >= 5) { |
| av_log(v->s.avctx, AV_LOG_ERROR, "Reserved LEVEL %i\n",v->level); |
| } |
| v->chromaformat = get_bits(gb, 2); |
| if (v->chromaformat != 1) { |
| av_log(v->s.avctx, AV_LOG_ERROR, |
| "Only 4:2:0 chroma format supported\n"); |
| return -1; |
| } |
| |
| // (fps-2)/4 (->30) |
| v->frmrtq_postproc = get_bits(gb, 3); //common |
| // (bitrate-32kbps)/64kbps |
| v->bitrtq_postproc = get_bits(gb, 5); //common |
| v->postprocflag = get_bits1(gb); //common |
| |
| v->max_coded_width = (get_bits(gb, 12) + 1) << 1; |
| v->max_coded_height = (get_bits(gb, 12) + 1) << 1; |
| v->broadcast = get_bits1(gb); |
| v->interlace = get_bits1(gb); |
| v->tfcntrflag = get_bits1(gb); |
| v->finterpflag = get_bits1(gb); |
| skip_bits1(gb); // reserved |
| |
| av_log(v->s.avctx, AV_LOG_DEBUG, |
| "Advanced Profile level %i:\nfrmrtq_postproc=%i, bitrtq_postproc=%i\n" |
| "LoopFilter=%i, ChromaFormat=%i, Pulldown=%i, Interlace: %i\n" |
| "TFCTRflag=%i, FINTERPflag=%i\n", |
| v->level, v->frmrtq_postproc, v->bitrtq_postproc, |
| v->s.loop_filter, v->chromaformat, v->broadcast, v->interlace, |
| v->tfcntrflag, v->finterpflag); |
| |
| v->psf = get_bits1(gb); |
| if (v->psf) { //PsF, 6.1.13 |
| av_log(v->s.avctx, AV_LOG_ERROR, "Progressive Segmented Frame mode: not supported (yet)\n"); |
| return -1; |
| } |
| v->s.max_b_frames = v->s.avctx->max_b_frames = 7; |
| if (get_bits1(gb)) { //Display Info - decoding is not affected by it |
| int w, h, ar = 0; |
| av_log(v->s.avctx, AV_LOG_DEBUG, "Display extended info:\n"); |
| w = get_bits(gb, 14) + 1; |
| h = get_bits(gb, 14) + 1; |
| av_log(v->s.avctx, AV_LOG_DEBUG, "Display dimensions: %ix%i\n", w, h); |
| if (get_bits1(gb)) |
| ar = get_bits(gb, 4); |
| if (ar && ar < 14) { |
| v->s.avctx->sample_aspect_ratio = ff_vc1_pixel_aspect[ar]; |
| } else if (ar == 15) { |
| w = get_bits(gb, 8) + 1; |
| h = get_bits(gb, 8) + 1; |
| v->s.avctx->sample_aspect_ratio = (AVRational){w, h}; |
| } else { |
| av_reduce(&v->s.avctx->sample_aspect_ratio.num, |
| &v->s.avctx->sample_aspect_ratio.den, |
| v->s.avctx->height * w, |
| v->s.avctx->width * h, |
| 1 << 30); |
| } |
| ff_set_sar(v->s.avctx, v->s.avctx->sample_aspect_ratio); |
| av_log(v->s.avctx, AV_LOG_DEBUG, "Aspect: %i:%i\n", |
| v->s.avctx->sample_aspect_ratio.num, |
| v->s.avctx->sample_aspect_ratio.den); |
| |
| if (get_bits1(gb)) { //framerate stuff |
| if (get_bits1(gb)) { |
| v->s.avctx->framerate.den = 32; |
| v->s.avctx->framerate.num = get_bits(gb, 16) + 1; |
| } else { |
| int nr, dr; |
| nr = get_bits(gb, 8); |
| dr = get_bits(gb, 4); |
| if (nr > 0 && nr < 8 && dr > 0 && dr < 3) { |
| v->s.avctx->framerate.den = ff_vc1_fps_dr[dr - 1]; |
| v->s.avctx->framerate.num = ff_vc1_fps_nr[nr - 1] * 1000; |
| } |
| } |
| if (v->broadcast) { // Pulldown may be present |
| v->s.avctx->ticks_per_frame = 2; |
| } |
| } |
| |
| if (get_bits1(gb)) { |
| v->color_prim = get_bits(gb, 8); |
| v->transfer_char = get_bits(gb, 8); |
| v->matrix_coef = get_bits(gb, 8); |
| } |
| } |
| |
| v->hrd_param_flag = get_bits1(gb); |
| if (v->hrd_param_flag) { |
| int i; |
| v->hrd_num_leaky_buckets = get_bits(gb, 5); |
| skip_bits(gb, 4); //bitrate exponent |
| skip_bits(gb, 4); //buffer size exponent |
| for (i = 0; i < v->hrd_num_leaky_buckets; i++) { |
| skip_bits(gb, 16); //hrd_rate[n] |
| skip_bits(gb, 16); //hrd_buffer[n] |
| } |
| } |
| return 0; |
| } |
| |
| int ff_vc1_decode_entry_point(AVCodecContext *avctx, VC1Context *v, GetBitContext *gb) |
| { |
| int i; |
| int w,h; |
| int ret; |
| |
| av_log(avctx, AV_LOG_DEBUG, "Entry point: %08X\n", show_bits_long(gb, 32)); |
| v->broken_link = get_bits1(gb); |
| v->closed_entry = get_bits1(gb); |
| v->panscanflag = get_bits1(gb); |
| v->refdist_flag = get_bits1(gb); |
| v->s.loop_filter = get_bits1(gb); |
| if (v->s.avctx->skip_loop_filter >= AVDISCARD_ALL) |
| v->s.loop_filter = 0; |
| v->fastuvmc = get_bits1(gb); |
| v->extended_mv = get_bits1(gb); |
| v->dquant = get_bits(gb, 2); |
| v->vstransform = get_bits1(gb); |
| v->overlap = get_bits1(gb); |
| v->quantizer_mode = get_bits(gb, 2); |
| |
| if (v->hrd_param_flag) { |
| for (i = 0; i < v->hrd_num_leaky_buckets; i++) { |
| skip_bits(gb, 8); //hrd_full[n] |
| } |
| } |
| |
| if(get_bits1(gb)){ |
| w = (get_bits(gb, 12)+1)<<1; |
| h = (get_bits(gb, 12)+1)<<1; |
| } else { |
| w = v->max_coded_width; |
| h = v->max_coded_height; |
| } |
| if ((ret = ff_set_dimensions(avctx, w, h)) < 0) { |
| av_log(avctx, AV_LOG_ERROR, "Failed to set dimensions %d %d\n", w, h); |
| return ret; |
| } |
| |
| if (v->extended_mv) |
| v->extended_dmv = get_bits1(gb); |
| if ((v->range_mapy_flag = get_bits1(gb))) { |
| av_log(avctx, AV_LOG_ERROR, "Luma scaling is not supported, expect wrong picture\n"); |
| v->range_mapy = get_bits(gb, 3); |
| } |
| if ((v->range_mapuv_flag = get_bits1(gb))) { |
| av_log(avctx, AV_LOG_ERROR, "Chroma scaling is not supported, expect wrong picture\n"); |
| v->range_mapuv = get_bits(gb, 3); |
| } |
| |
| av_log(avctx, AV_LOG_DEBUG, "Entry point info:\n" |
| "BrokenLink=%i, ClosedEntry=%i, PanscanFlag=%i\n" |
| "RefDist=%i, Postproc=%i, FastUVMC=%i, ExtMV=%i\n" |
| "DQuant=%i, VSTransform=%i, Overlap=%i, Qmode=%i\n", |
| v->broken_link, v->closed_entry, v->panscanflag, v->refdist_flag, v->s.loop_filter, |
| v->fastuvmc, v->extended_mv, v->dquant, v->vstransform, v->overlap, v->quantizer_mode); |
| |
| return 0; |
| } |
| |
| /* fill lookup tables for intensity compensation */ |
| #define INIT_LUT(lumscale, lumshift, luty, lutuv, chain) do { \ |
| int scale, shift, i; \ |
| if (!lumscale) { \ |
| scale = -64; \ |
| shift = (255 - lumshift * 2) * 64; \ |
| if (lumshift > 31) \ |
| shift += 128 << 6; \ |
| } else { \ |
| scale = lumscale + 32; \ |
| if (lumshift > 31) \ |
| shift = (lumshift - 64) * 64; \ |
| else \ |
| shift = lumshift << 6; \ |
| } \ |
| for (i = 0; i < 256; i++) { \ |
| int iy = chain ? luty[i] : i; \ |
| int iu = chain ? lutuv[i] : i; \ |
| luty[i] = av_clip_uint8((scale * iy + shift + 32) >> 6); \ |
| lutuv[i] = av_clip_uint8((scale * (iu - 128) + 128*64 + 32) >> 6);\ |
| } \ |
| } while(0) |
| |
| static void rotate_luts(VC1Context *v) |
| { |
| #define ROTATE(DEF, L, N, C, A) do { \ |
| if (v->s.pict_type == AV_PICTURE_TYPE_BI || v->s.pict_type == AV_PICTURE_TYPE_B) { \ |
| C = A; \ |
| } else { \ |
| DEF; \ |
| memcpy(&tmp, L , sizeof(tmp)); \ |
| memcpy(L , N , sizeof(tmp)); \ |
| memcpy(N , &tmp, sizeof(tmp)); \ |
| C = N; \ |
| } \ |
| } while(0) |
| |
| ROTATE(int tmp, &v->last_use_ic, &v->next_use_ic, v->curr_use_ic, &v->aux_use_ic); |
| ROTATE(uint8_t tmp[2][256], v->last_luty, v->next_luty, v->curr_luty, v->aux_luty); |
| ROTATE(uint8_t tmp[2][256], v->last_lutuv, v->next_lutuv, v->curr_lutuv, v->aux_lutuv); |
| |
| INIT_LUT(32, 0, v->curr_luty[0], v->curr_lutuv[0], 0); |
| INIT_LUT(32, 0, v->curr_luty[1], v->curr_lutuv[1], 0); |
| *v->curr_use_ic = 0; |
| } |
| |
| static int read_bfraction(VC1Context *v, GetBitContext* gb) { |
| int bfraction_lut_index = get_vlc2(gb, ff_vc1_bfraction_vlc.table, VC1_BFRACTION_VLC_BITS, 1); |
| |
| if (bfraction_lut_index == 21 || bfraction_lut_index < 0) { |
| av_log(v->s.avctx, AV_LOG_ERROR, "bfraction invalid\n"); |
| return AVERROR_INVALIDDATA; |
| } |
| v->bfraction_lut_index = bfraction_lut_index; |
| v->bfraction = ff_vc1_bfraction_lut[v->bfraction_lut_index]; |
| return 0; |
| } |
| |
| int ff_vc1_parse_frame_header(VC1Context *v, GetBitContext* gb) |
| { |
| int pqindex, lowquant, status; |
| |
| v->field_mode = 0; |
| v->fcm = 0; |
| if (v->finterpflag) |
| v->interpfrm = get_bits1(gb); |
| if (!v->s.avctx->codec) |
| return -1; |
| if (v->s.avctx->codec_id == AV_CODEC_ID_MSS2) |
| v->respic = |
| v->rangered = |
| v->multires = get_bits(gb, 2) == 1; |
| else |
| skip_bits(gb, 2); //framecnt unused |
| v->rangeredfrm = 0; |
| if (v->rangered) |
| v->rangeredfrm = get_bits1(gb); |
| if (get_bits1(gb)) { |
| v->s.pict_type = AV_PICTURE_TYPE_P; |
| } else { |
| if (v->s.avctx->max_b_frames && !get_bits1(gb)) { |
| v->s.pict_type = AV_PICTURE_TYPE_B; |
| } else |
| v->s.pict_type = AV_PICTURE_TYPE_I; |
| } |
| |
| v->bi_type = 0; |
| if (v->s.pict_type == AV_PICTURE_TYPE_B) { |
| if (read_bfraction(v, gb) < 0) |
| return AVERROR_INVALIDDATA; |
| if (v->bfraction == 0) { |
| v->s.pict_type = AV_PICTURE_TYPE_BI; |
| } |
| } |
| if (v->s.pict_type == AV_PICTURE_TYPE_I || v->s.pict_type == AV_PICTURE_TYPE_BI) |
| skip_bits(gb, 7); // skip buffer fullness |
| |
| if (v->parse_only) |
| return 0; |
| |
| /* calculate RND */ |
| if (v->s.pict_type == AV_PICTURE_TYPE_I || v->s.pict_type == AV_PICTURE_TYPE_BI) |
| v->rnd = 1; |
| if (v->s.pict_type == AV_PICTURE_TYPE_P) |
| v->rnd ^= 1; |
| |
| /* Quantizer stuff */ |
| pqindex = get_bits(gb, 5); |
| if (!pqindex) |
| return -1; |
| if (v->quantizer_mode == QUANT_FRAME_IMPLICIT) |
| v->pq = ff_vc1_pquant_table[0][pqindex]; |
| else |
| v->pq = ff_vc1_pquant_table[1][pqindex]; |
| v->pqindex = pqindex; |
| if (pqindex < 9) |
| v->halfpq = get_bits1(gb); |
| else |
| v->halfpq = 0; |
| switch (v->quantizer_mode) { |
| case QUANT_FRAME_IMPLICIT: |
| v->pquantizer = pqindex < 9; |
| break; |
| case QUANT_NON_UNIFORM: |
| v->pquantizer = 0; |
| break; |
| case QUANT_FRAME_EXPLICIT: |
| v->pquantizer = get_bits1(gb); |
| break; |
| default: |
| v->pquantizer = 1; |
| break; |
| } |
| v->dquantfrm = 0; |
| if (v->extended_mv == 1) |
| v->mvrange = get_unary(gb, 0, 3); |
| v->k_x = v->mvrange + 9 + (v->mvrange >> 1); //k_x can be 9 10 12 13 |
| v->k_y = v->mvrange + 8; //k_y can be 8 9 10 11 |
| v->range_x = 1 << (v->k_x - 1); |
| v->range_y = 1 << (v->k_y - 1); |
| if (v->multires && v->s.pict_type != AV_PICTURE_TYPE_B) |
| v->respic = get_bits(gb, 2); |
| |
| if (v->res_x8 && (v->s.pict_type == AV_PICTURE_TYPE_I || v->s.pict_type == AV_PICTURE_TYPE_BI)) { |
| v->x8_type = get_bits1(gb); |
| } else |
| v->x8_type = 0; |
| ff_dlog(v->s.avctx, "%c Frame: QP=[%i]%i (+%i/2) %i\n", |
| (v->s.pict_type == AV_PICTURE_TYPE_P) ? 'P' : ((v->s.pict_type == AV_PICTURE_TYPE_I) ? 'I' : 'B'), |
| pqindex, v->pq, v->halfpq, v->rangeredfrm); |
| |
| if (v->first_pic_header_flag) |
| rotate_luts(v); |
| |
| switch (v->s.pict_type) { |
| case AV_PICTURE_TYPE_P: |
| v->tt_index = (v->pq > 4) + (v->pq > 12); |
| |
| lowquant = (v->pq > 12) ? 0 : 1; |
| v->mv_mode = ff_vc1_mv_pmode_table[lowquant][get_unary(gb, 1, 4)]; |
| if (v->mv_mode == MV_PMODE_INTENSITY_COMP) { |
| v->mv_mode2 = ff_vc1_mv_pmode_table2[lowquant][get_unary(gb, 1, 3)]; |
| v->lumscale = get_bits(gb, 6); |
| v->lumshift = get_bits(gb, 6); |
| v->last_use_ic = 1; |
| /* fill lookup tables for intensity compensation */ |
| INIT_LUT(v->lumscale, v->lumshift, v->last_luty[0], v->last_lutuv[0], 1); |
| INIT_LUT(v->lumscale, v->lumshift, v->last_luty[1], v->last_lutuv[1], 1); |
| } |
| v->qs_last = v->s.quarter_sample; |
| if (v->mv_mode == MV_PMODE_INTENSITY_COMP) { |
| v->s.quarter_sample = (v->mv_mode2 != MV_PMODE_1MV_HPEL && |
| v->mv_mode2 != MV_PMODE_1MV_HPEL_BILIN); |
| v->s.mspel = (v->mv_mode2 != MV_PMODE_1MV_HPEL_BILIN); |
| } else { |
| v->s.quarter_sample = (v->mv_mode != MV_PMODE_1MV_HPEL && |
| v->mv_mode != MV_PMODE_1MV_HPEL_BILIN); |
| v->s.mspel = (v->mv_mode != MV_PMODE_1MV_HPEL_BILIN); |
| } |
| |
| if ((v->mv_mode == MV_PMODE_INTENSITY_COMP && |
| v->mv_mode2 == MV_PMODE_MIXED_MV) || |
| v->mv_mode == MV_PMODE_MIXED_MV) { |
| status = bitplane_decoding(v->mv_type_mb_plane, &v->mv_type_is_raw, v); |
| if (status < 0) |
| return -1; |
| av_log(v->s.avctx, AV_LOG_DEBUG, "MB MV Type plane encoding: " |
| "Imode: %i, Invert: %i\n", status>>1, status&1); |
| } else { |
| v->mv_type_is_raw = 0; |
| memset(v->mv_type_mb_plane, 0, v->s.mb_stride * v->s.mb_height); |
| } |
| status = bitplane_decoding(v->s.mbskip_table, &v->skip_is_raw, v); |
| if (status < 0) |
| return -1; |
| av_log(v->s.avctx, AV_LOG_DEBUG, "MB Skip plane encoding: " |
| "Imode: %i, Invert: %i\n", status>>1, status&1); |
| |
| /* Hopefully this is correct for P frames */ |
| v->s.mv_table_index = get_bits(gb, 2); //but using ff_vc1_ tables |
| v->cbpcy_vlc = &ff_vc1_cbpcy_p_vlc[get_bits(gb, 2)]; |
| |
| if (v->dquant) { |
| av_log(v->s.avctx, AV_LOG_DEBUG, "VOP DQuant info\n"); |
| vop_dquant_decoding(v); |
| } |
| |
| if (v->vstransform) { |
| v->ttmbf = get_bits1(gb); |
| if (v->ttmbf) { |
| v->ttfrm = ff_vc1_ttfrm_to_tt[get_bits(gb, 2)]; |
| } else |
| v->ttfrm = 0; //FIXME Is that so ? |
| } else { |
| v->ttmbf = 1; |
| v->ttfrm = TT_8X8; |
| } |
| break; |
| case AV_PICTURE_TYPE_B: |
| v->tt_index = (v->pq > 4) + (v->pq > 12); |
| |
| v->mv_mode = get_bits1(gb) ? MV_PMODE_1MV : MV_PMODE_1MV_HPEL_BILIN; |
| v->qs_last = v->s.quarter_sample; |
| v->s.quarter_sample = (v->mv_mode == MV_PMODE_1MV); |
| v->s.mspel = v->s.quarter_sample; |
| |
| status = bitplane_decoding(v->direct_mb_plane, &v->dmb_is_raw, v); |
| if (status < 0) |
| return -1; |
| av_log(v->s.avctx, AV_LOG_DEBUG, "MB Direct Type plane encoding: " |
| "Imode: %i, Invert: %i\n", status>>1, status&1); |
| status = bitplane_decoding(v->s.mbskip_table, &v->skip_is_raw, v); |
| if (status < 0) |
| return -1; |
| av_log(v->s.avctx, AV_LOG_DEBUG, "MB Skip plane encoding: " |
| "Imode: %i, Invert: %i\n", status>>1, status&1); |
| |
| v->s.mv_table_index = get_bits(gb, 2); |
| v->cbpcy_vlc = &ff_vc1_cbpcy_p_vlc[get_bits(gb, 2)]; |
| |
| if (v->dquant) { |
| av_log(v->s.avctx, AV_LOG_DEBUG, "VOP DQuant info\n"); |
| vop_dquant_decoding(v); |
| } |
| |
| if (v->vstransform) { |
| v->ttmbf = get_bits1(gb); |
| if (v->ttmbf) { |
| v->ttfrm = ff_vc1_ttfrm_to_tt[get_bits(gb, 2)]; |
| } else |
| v->ttfrm = 0; |
| } else { |
| v->ttmbf = 1; |
| v->ttfrm = TT_8X8; |
| } |
| break; |
| } |
| |
| if (!v->x8_type) { |
| /* AC Syntax */ |
| v->c_ac_table_index = decode012(gb); |
| if (v->s.pict_type == AV_PICTURE_TYPE_I || v->s.pict_type == AV_PICTURE_TYPE_BI) { |
| v->y_ac_table_index = decode012(gb); |
| } |
| /* DC Syntax */ |
| v->s.dc_table_index = get_bits1(gb); |
| } |
| |
| if (v->s.pict_type == AV_PICTURE_TYPE_BI) { |
| v->s.pict_type = AV_PICTURE_TYPE_B; |
| v->bi_type = 1; |
| } |
| return 0; |
| } |
| |
| int ff_vc1_parse_frame_header_adv(VC1Context *v, GetBitContext* gb) |
| { |
| int pqindex, lowquant; |
| int status; |
| int mbmodetab, imvtab, icbptab, twomvbptab, fourmvbptab; /* useful only for debugging */ |
| int field_mode, fcm; |
| |
| v->numref = 0; |
| v->p_frame_skipped = 0; |
| if (v->second_field) { |
| if (v->fcm != ILACE_FIELD || v->field_mode!=1) |
| return -1; |
| if (v->fptype & 4) |
| v->s.pict_type = (v->fptype & 1) ? AV_PICTURE_TYPE_BI : AV_PICTURE_TYPE_B; |
| else |
| v->s.pict_type = (v->fptype & 1) ? AV_PICTURE_TYPE_P : AV_PICTURE_TYPE_I; |
| v->s.current_picture_ptr->f->pict_type = v->s.pict_type; |
| if (!v->pic_header_flag) |
| goto parse_common_info; |
| } |
| |
| field_mode = 0; |
| if (v->interlace) { |
| fcm = decode012(gb); |
| if (fcm) { |
| if (fcm == ILACE_FIELD) |
| field_mode = 1; |
| } |
| } else { |
| fcm = PROGRESSIVE; |
| } |
| if (!v->first_pic_header_flag && v->field_mode != field_mode) |
| return AVERROR_INVALIDDATA; |
| v->field_mode = field_mode; |
| v->fcm = fcm; |
| |
| av_assert0( v->s.mb_height == v->s.height + 15 >> 4 |
| || v->s.mb_height == FFALIGN(v->s.height + 15 >> 4, 2)); |
| if (v->field_mode) { |
| v->s.mb_height = FFALIGN(v->s.height + 15 >> 4, 2); |
| v->fptype = get_bits(gb, 3); |
| if (v->fptype & 4) // B-picture |
| v->s.pict_type = (v->fptype & 2) ? AV_PICTURE_TYPE_BI : AV_PICTURE_TYPE_B; |
| else |
| v->s.pict_type = (v->fptype & 2) ? AV_PICTURE_TYPE_P : AV_PICTURE_TYPE_I; |
| } else { |
| v->s.mb_height = v->s.height + 15 >> 4; |
| switch (get_unary(gb, 0, 4)) { |
| case 0: |
| v->s.pict_type = AV_PICTURE_TYPE_P; |
| break; |
| case 1: |
| v->s.pict_type = AV_PICTURE_TYPE_B; |
| break; |
| case 2: |
| v->s.pict_type = AV_PICTURE_TYPE_I; |
| break; |
| case 3: |
| v->s.pict_type = AV_PICTURE_TYPE_BI; |
| break; |
| case 4: |
| v->s.pict_type = AV_PICTURE_TYPE_P; // skipped pic |
| v->p_frame_skipped = 1; |
| break; |
| } |
| } |
| if (v->tfcntrflag) |
| skip_bits(gb, 8); |
| if (v->broadcast) { |
| if (!v->interlace || v->psf) { |
| v->rptfrm = get_bits(gb, 2); |
| } else { |
| v->tff = get_bits1(gb); |
| v->rff = get_bits1(gb); |
| } |
| } else { |
| v->tff = 1; |
| } |
| if (v->panscanflag) { |
| avpriv_report_missing_feature(v->s.avctx, "Pan-scan"); |
| //... |
| } |
| if (v->p_frame_skipped) { |
| return 0; |
| } |
| v->rnd = get_bits1(gb); |
| if (v->interlace) |
| v->uvsamp = get_bits1(gb); |
| if(!ff_vc1_bfraction_vlc.table) |
| return 0; //parsing only, vlc tables havnt been allocated |
| if (v->field_mode) { |
| if (!v->refdist_flag) |
| v->refdist = 0; |
| else if ((v->s.pict_type != AV_PICTURE_TYPE_B) && (v->s.pict_type != AV_PICTURE_TYPE_BI)) { |
| v->refdist = get_bits(gb, 2); |
| if (v->refdist == 3) |
| v->refdist += get_unary(gb, 0, 16); |
| } |
| if ((v->s.pict_type == AV_PICTURE_TYPE_B) || (v->s.pict_type == AV_PICTURE_TYPE_BI)) { |
| if (read_bfraction(v, gb) < 0) |
| return AVERROR_INVALIDDATA; |
| v->frfd = (v->bfraction * v->refdist) >> 8; |
| v->brfd = v->refdist - v->frfd - 1; |
| if (v->brfd < 0) |
| v->brfd = 0; |
| } |
| goto parse_common_info; |
| } |
| if (v->fcm == PROGRESSIVE) { |
| if (v->finterpflag) |
| v->interpfrm = get_bits1(gb); |
| if (v->s.pict_type == AV_PICTURE_TYPE_B) { |
| if (read_bfraction(v, gb) < 0) |
| return AVERROR_INVALIDDATA; |
| if (v->bfraction == 0) { |
| v->s.pict_type = AV_PICTURE_TYPE_BI; /* XXX: should not happen here */ |
| } |
| } |
| } |
| |
| parse_common_info: |
| if (v->field_mode) |
| v->cur_field_type = !(v->tff ^ v->second_field); |
| pqindex = get_bits(gb, 5); |
| if (!pqindex) |
| return -1; |
| if (v->quantizer_mode == QUANT_FRAME_IMPLICIT) |
| v->pq = ff_vc1_pquant_table[0][pqindex]; |
| else |
| v->pq = ff_vc1_pquant_table[1][pqindex]; |
| v->pqindex = pqindex; |
| if (pqindex < 9) |
| v->halfpq = get_bits1(gb); |
| else |
| v->halfpq = 0; |
| switch (v->quantizer_mode) { |
| case QUANT_FRAME_IMPLICIT: |
| v->pquantizer = pqindex < 9; |
| break; |
| case QUANT_NON_UNIFORM: |
| v->pquantizer = 0; |
| break; |
| case QUANT_FRAME_EXPLICIT: |
| v->pquantizer = get_bits1(gb); |
| break; |
| default: |
| v->pquantizer = 1; |
| break; |
| } |
| if (v->postprocflag) |
| v->postproc = get_bits(gb, 2); |
| |
| if (v->parse_only) |
| return 0; |
| |
| if (v->first_pic_header_flag) |
| rotate_luts(v); |
| |
| switch (v->s.pict_type) { |
| case AV_PICTURE_TYPE_I: |
| case AV_PICTURE_TYPE_BI: |
| if (v->fcm == ILACE_FRAME) { //interlace frame picture |
| status = bitplane_decoding(v->fieldtx_plane, &v->fieldtx_is_raw, v); |
| if (status < 0) |
| return -1; |
| av_log(v->s.avctx, AV_LOG_DEBUG, "FIELDTX plane encoding: " |
| "Imode: %i, Invert: %i\n", status>>1, status&1); |
| } |
| status = bitplane_decoding(v->acpred_plane, &v->acpred_is_raw, v); |
| if (status < 0) |
| return -1; |
| av_log(v->s.avctx, AV_LOG_DEBUG, "ACPRED plane encoding: " |
| "Imode: %i, Invert: %i\n", status>>1, status&1); |
| v->condover = CONDOVER_NONE; |
| if (v->overlap && v->pq <= 8) { |
| v->condover = decode012(gb); |
| if (v->condover == CONDOVER_SELECT) { |
| status = bitplane_decoding(v->over_flags_plane, &v->overflg_is_raw, v); |
| if (status < 0) |
| return -1; |
| av_log(v->s.avctx, AV_LOG_DEBUG, "CONDOVER plane encoding: " |
| "Imode: %i, Invert: %i\n", status>>1, status&1); |
| } |
| } |
| break; |
| case AV_PICTURE_TYPE_P: |
| if (v->field_mode) { |
| v->numref = get_bits1(gb); |
| if (!v->numref) { |
| v->reffield = get_bits1(gb); |
| v->ref_field_type[0] = v->reffield ^ !v->cur_field_type; |
| } |
| } |
| if (v->extended_mv) |
| v->mvrange = get_unary(gb, 0, 3); |
| else |
| v->mvrange = 0; |
| if (v->interlace) { |
| if (v->extended_dmv) |
| v->dmvrange = get_unary(gb, 0, 3); |
| else |
| v->dmvrange = 0; |
| if (v->fcm == ILACE_FRAME) { // interlaced frame picture |
| v->fourmvswitch = get_bits1(gb); |
| v->intcomp = get_bits1(gb); |
| if (v->intcomp) { |
| v->lumscale = get_bits(gb, 6); |
| v->lumshift = get_bits(gb, 6); |
| INIT_LUT(v->lumscale, v->lumshift, v->last_luty[0], v->last_lutuv[0], 1); |
| INIT_LUT(v->lumscale, v->lumshift, v->last_luty[1], v->last_lutuv[1], 1); |
| v->last_use_ic = 1; |
| } |
| status = bitplane_decoding(v->s.mbskip_table, &v->skip_is_raw, v); |
| av_log(v->s.avctx, AV_LOG_DEBUG, "SKIPMB plane encoding: " |
| "Imode: %i, Invert: %i\n", status>>1, status&1); |
| mbmodetab = get_bits(gb, 2); |
| if (v->fourmvswitch) |
| v->mbmode_vlc = &ff_vc1_intfr_4mv_mbmode_vlc[mbmodetab]; |
| else |
| v->mbmode_vlc = &ff_vc1_intfr_non4mv_mbmode_vlc[mbmodetab]; |
| imvtab = get_bits(gb, 2); |
| v->imv_vlc = &ff_vc1_1ref_mvdata_vlc[imvtab]; |
| // interlaced p-picture cbpcy range is [1, 63] |
| icbptab = get_bits(gb, 3); |
| v->cbpcy_vlc = &ff_vc1_icbpcy_vlc[icbptab]; |
| twomvbptab = get_bits(gb, 2); |
| v->twomvbp_vlc = &ff_vc1_2mv_block_pattern_vlc[twomvbptab]; |
| if (v->fourmvswitch) { |
| fourmvbptab = get_bits(gb, 2); |
| v->fourmvbp_vlc = &ff_vc1_4mv_block_pattern_vlc[fourmvbptab]; |
| } |
| } |
| } |
| v->k_x = v->mvrange + 9 + (v->mvrange >> 1); //k_x can be 9 10 12 13 |
| v->k_y = v->mvrange + 8; //k_y can be 8 9 10 11 |
| v->range_x = 1 << (v->k_x - 1); |
| v->range_y = 1 << (v->k_y - 1); |
| |
| v->tt_index = (v->pq > 4) + (v->pq > 12); |
| if (v->fcm != ILACE_FRAME) { |
| int mvmode; |
| mvmode = get_unary(gb, 1, 4); |
| lowquant = (v->pq > 12) ? 0 : 1; |
| v->mv_mode = ff_vc1_mv_pmode_table[lowquant][mvmode]; |
| if (v->mv_mode == MV_PMODE_INTENSITY_COMP) { |
| int mvmode2; |
| mvmode2 = get_unary(gb, 1, 3); |
| v->mv_mode2 = ff_vc1_mv_pmode_table2[lowquant][mvmode2]; |
| if (v->field_mode) { |
| v->intcompfield = decode210(gb) ^ 3; |
| } else |
| v->intcompfield = 3; |
| |
| v->lumscale2 = v->lumscale = 32; |
| v->lumshift2 = v->lumshift = 0; |
| if (v->intcompfield & 1) { |
| v->lumscale = get_bits(gb, 6); |
| v->lumshift = get_bits(gb, 6); |
| } |
| if ((v->intcompfield & 2) && v->field_mode) { |
| v->lumscale2 = get_bits(gb, 6); |
| v->lumshift2 = get_bits(gb, 6); |
| } else if(!v->field_mode) { |
| v->lumscale2 = v->lumscale; |
| v->lumshift2 = v->lumshift; |
| } |
| if (v->field_mode && v->second_field) { |
| if (v->cur_field_type) { |
| INIT_LUT(v->lumscale , v->lumshift , v->curr_luty[v->cur_field_type^1], v->curr_lutuv[v->cur_field_type^1], 0); |
| INIT_LUT(v->lumscale2, v->lumshift2, v->last_luty[v->cur_field_type ], v->last_lutuv[v->cur_field_type ], 1); |
| } else { |
| INIT_LUT(v->lumscale2, v->lumshift2, v->curr_luty[v->cur_field_type^1], v->curr_lutuv[v->cur_field_type^1], 0); |
| INIT_LUT(v->lumscale , v->lumshift , v->last_luty[v->cur_field_type ], v->last_lutuv[v->cur_field_type ], 1); |
| } |
| v->next_use_ic = *v->curr_use_ic = 1; |
| } else { |
| INIT_LUT(v->lumscale , v->lumshift , v->last_luty[0], v->last_lutuv[0], 1); |
| INIT_LUT(v->lumscale2, v->lumshift2, v->last_luty[1], v->last_lutuv[1], 1); |
| } |
| v->last_use_ic = 1; |
| } |
| v->qs_last = v->s.quarter_sample; |
| if (v->mv_mode == MV_PMODE_INTENSITY_COMP) { |
| v->s.quarter_sample = (v->mv_mode2 != MV_PMODE_1MV_HPEL && |
| v->mv_mode2 != MV_PMODE_1MV_HPEL_BILIN); |
| v->s.mspel = (v->mv_mode2 != MV_PMODE_1MV_HPEL_BILIN); |
| } else { |
| v->s.quarter_sample = (v->mv_mode != MV_PMODE_1MV_HPEL && |
| v->mv_mode != MV_PMODE_1MV_HPEL_BILIN); |
| v->s.mspel = (v->mv_mode != MV_PMODE_1MV_HPEL_BILIN); |
| } |
| } |
| if (v->fcm == PROGRESSIVE) { // progressive |
| if ((v->mv_mode == MV_PMODE_INTENSITY_COMP && |
| v->mv_mode2 == MV_PMODE_MIXED_MV) |
| || v->mv_mode == MV_PMODE_MIXED_MV) { |
| status = bitplane_decoding(v->mv_type_mb_plane, &v->mv_type_is_raw, v); |
| if (status < 0) |
| return -1; |
| av_log(v->s.avctx, AV_LOG_DEBUG, "MB MV Type plane encoding: " |
| "Imode: %i, Invert: %i\n", status>>1, status&1); |
| } else { |
| v->mv_type_is_raw = 0; |
| memset(v->mv_type_mb_plane, 0, v->s.mb_stride * v->s.mb_height); |
| } |
| status = bitplane_decoding(v->s.mbskip_table, &v->skip_is_raw, v); |
| if (status < 0) |
| return -1; |
| av_log(v->s.avctx, AV_LOG_DEBUG, "MB Skip plane encoding: " |
| "Imode: %i, Invert: %i\n", status>>1, status&1); |
| |
| /* Hopefully this is correct for P frames */ |
| v->s.mv_table_index = get_bits(gb, 2); //but using ff_vc1_ tables |
| v->cbpcy_vlc = &ff_vc1_cbpcy_p_vlc[get_bits(gb, 2)]; |
| } else if (v->fcm == ILACE_FRAME) { // frame interlaced |
| v->qs_last = v->s.quarter_sample; |
| v->s.quarter_sample = 1; |
| v->s.mspel = 1; |
| } else { // field interlaced |
| mbmodetab = get_bits(gb, 3); |
| imvtab = get_bits(gb, 2 + v->numref); |
| if (!v->numref) |
| v->imv_vlc = &ff_vc1_1ref_mvdata_vlc[imvtab]; |
| else |
| v->imv_vlc = &ff_vc1_2ref_mvdata_vlc[imvtab]; |
| icbptab = get_bits(gb, 3); |
| v->cbpcy_vlc = &ff_vc1_icbpcy_vlc[icbptab]; |
| if ((v->mv_mode == MV_PMODE_INTENSITY_COMP && |
| v->mv_mode2 == MV_PMODE_MIXED_MV) || v->mv_mode == MV_PMODE_MIXED_MV) { |
| fourmvbptab = get_bits(gb, 2); |
| v->fourmvbp_vlc = &ff_vc1_4mv_block_pattern_vlc[fourmvbptab]; |
| v->mbmode_vlc = &ff_vc1_if_mmv_mbmode_vlc[mbmodetab]; |
| } else { |
| v->mbmode_vlc = &ff_vc1_if_1mv_mbmode_vlc[mbmodetab]; |
| } |
| } |
| if (v->dquant) { |
| av_log(v->s.avctx, AV_LOG_DEBUG, "VOP DQuant info\n"); |
| vop_dquant_decoding(v); |
| } |
| |
| if (v->vstransform) { |
| v->ttmbf = get_bits1(gb); |
| if (v->ttmbf) { |
| v->ttfrm = ff_vc1_ttfrm_to_tt[get_bits(gb, 2)]; |
| } else |
| v->ttfrm = 0; //FIXME Is that so ? |
| } else { |
| v->ttmbf = 1; |
| v->ttfrm = TT_8X8; |
| } |
| break; |
| case AV_PICTURE_TYPE_B: |
| if (v->fcm == ILACE_FRAME) { |
| if (read_bfraction(v, gb) < 0) |
| return AVERROR_INVALIDDATA; |
| if (v->bfraction == 0) { |
| return -1; |
| } |
| } |
| if (v->extended_mv) |
| v->mvrange = get_unary(gb, 0, 3); |
| else |
| v->mvrange = 0; |
| v->k_x = v->mvrange + 9 + (v->mvrange >> 1); //k_x can be 9 10 12 13 |
| v->k_y = v->mvrange + 8; //k_y can be 8 9 10 11 |
| v->range_x = 1 << (v->k_x - 1); |
| v->range_y = 1 << (v->k_y - 1); |
| |
| v->tt_index = (v->pq > 4) + (v->pq > 12); |
| |
| if (v->field_mode) { |
| int mvmode; |
| av_log(v->s.avctx, AV_LOG_DEBUG, "B Fields\n"); |
| if (v->extended_dmv) |
| v->dmvrange = get_unary(gb, 0, 3); |
| mvmode = get_unary(gb, 1, 3); |
| lowquant = (v->pq > 12) ? 0 : 1; |
| v->mv_mode = ff_vc1_mv_pmode_table2[lowquant][mvmode]; |
| v->qs_last = v->s.quarter_sample; |
| v->s.quarter_sample = (v->mv_mode == MV_PMODE_1MV || v->mv_mode == MV_PMODE_MIXED_MV); |
| v->s.mspel = !(v->mv_mode == MV_PMODE_1MV_HPEL_BILIN || v->mv_mode == MV_PMODE_1MV_HPEL); |
| status = bitplane_decoding(v->forward_mb_plane, &v->fmb_is_raw, v); |
| if (status < 0) |
| return -1; |
| av_log(v->s.avctx, AV_LOG_DEBUG, "MB Forward Type plane encoding: " |
| "Imode: %i, Invert: %i\n", status>>1, status&1); |
| mbmodetab = get_bits(gb, 3); |
| if (v->mv_mode == MV_PMODE_MIXED_MV) |
| v->mbmode_vlc = &ff_vc1_if_mmv_mbmode_vlc[mbmodetab]; |
| else |
| v->mbmode_vlc = &ff_vc1_if_1mv_mbmode_vlc[mbmodetab]; |
| imvtab = get_bits(gb, 3); |
| v->imv_vlc = &ff_vc1_2ref_mvdata_vlc[imvtab]; |
| icbptab = get_bits(gb, 3); |
| v->cbpcy_vlc = &ff_vc1_icbpcy_vlc[icbptab]; |
| if (v->mv_mode == MV_PMODE_MIXED_MV) { |
| fourmvbptab = get_bits(gb, 2); |
| v->fourmvbp_vlc = &ff_vc1_4mv_block_pattern_vlc[fourmvbptab]; |
| } |
| v->numref = 1; // interlaced field B pictures are always 2-ref |
| } else if (v->fcm == ILACE_FRAME) { |
| if (v->extended_dmv) |
| v->dmvrange = get_unary(gb, 0, 3); |
| if (get_bits1(gb)) /* intcomp - present but shall always be 0 */ |
| av_log(v->s.avctx, AV_LOG_WARNING, "Intensity compensation set for B picture\n"); |
| v->intcomp = 0; |
| v->mv_mode = MV_PMODE_1MV; |
| v->fourmvswitch = 0; |
| v->qs_last = v->s.quarter_sample; |
| v->s.quarter_sample = 1; |
| v->s.mspel = 1; |
| status = bitplane_decoding(v->direct_mb_plane, &v->dmb_is_raw, v); |
| if (status < 0) |
| return -1; |
| av_log(v->s.avctx, AV_LOG_DEBUG, "MB Direct Type plane encoding: " |
| "Imode: %i, Invert: %i\n", status>>1, status&1); |
| status = bitplane_decoding(v->s.mbskip_table, &v->skip_is_raw, v); |
| if (status < 0) |
| return -1; |
| av_log(v->s.avctx, AV_LOG_DEBUG, "MB Skip plane encoding: " |
| "Imode: %i, Invert: %i\n", status>>1, status&1); |
| mbmodetab = get_bits(gb, 2); |
| v->mbmode_vlc = &ff_vc1_intfr_non4mv_mbmode_vlc[mbmodetab]; |
| imvtab = get_bits(gb, 2); |
| v->imv_vlc = &ff_vc1_1ref_mvdata_vlc[imvtab]; |
| // interlaced p/b-picture cbpcy range is [1, 63] |
| icbptab = get_bits(gb, 3); |
| v->cbpcy_vlc = &ff_vc1_icbpcy_vlc[icbptab]; |
| twomvbptab = get_bits(gb, 2); |
| v->twomvbp_vlc = &ff_vc1_2mv_block_pattern_vlc[twomvbptab]; |
| fourmvbptab = get_bits(gb, 2); |
| v->fourmvbp_vlc = &ff_vc1_4mv_block_pattern_vlc[fourmvbptab]; |
| } else { |
| v->mv_mode = get_bits1(gb) ? MV_PMODE_1MV : MV_PMODE_1MV_HPEL_BILIN; |
| v->qs_last = v->s.quarter_sample; |
| v->s.quarter_sample = (v->mv_mode == MV_PMODE_1MV); |
| v->s.mspel = v->s.quarter_sample; |
| status = bitplane_decoding(v->direct_mb_plane, &v->dmb_is_raw, v); |
| if (status < 0) |
| return -1; |
| av_log(v->s.avctx, AV_LOG_DEBUG, "MB Direct Type plane encoding: " |
| "Imode: %i, Invert: %i\n", status>>1, status&1); |
| status = bitplane_decoding(v->s.mbskip_table, &v->skip_is_raw, v); |
| if (status < 0) |
| return -1; |
| av_log(v->s.avctx, AV_LOG_DEBUG, "MB Skip plane encoding: " |
| "Imode: %i, Invert: %i\n", status>>1, status&1); |
| v->s.mv_table_index = get_bits(gb, 2); |
| v->cbpcy_vlc = &ff_vc1_cbpcy_p_vlc[get_bits(gb, 2)]; |
| } |
| |
| if (v->dquant) { |
| av_log(v->s.avctx, AV_LOG_DEBUG, "VOP DQuant info\n"); |
| vop_dquant_decoding(v); |
| } |
| |
| if (v->vstransform) { |
| v->ttmbf = get_bits1(gb); |
| if (v->ttmbf) { |
| v->ttfrm = ff_vc1_ttfrm_to_tt[get_bits(gb, 2)]; |
| } else |
| v->ttfrm = 0; |
| } else { |
| v->ttmbf = 1; |
| v->ttfrm = TT_8X8; |
| } |
| break; |
| } |
| |
| if (v->fcm != PROGRESSIVE && !v->s.quarter_sample) { |
| v->range_x <<= 1; |
| v->range_y <<= 1; |
| } |
| |
| /* AC Syntax */ |
| v->c_ac_table_index = decode012(gb); |
| if (v->s.pict_type == AV_PICTURE_TYPE_I || v->s.pict_type == AV_PICTURE_TYPE_BI) { |
| v->y_ac_table_index = decode012(gb); |
| } |
| /* DC Syntax */ |
| v->s.dc_table_index = get_bits1(gb); |
| if ((v->s.pict_type == AV_PICTURE_TYPE_I || v->s.pict_type == AV_PICTURE_TYPE_BI) |
| && v->dquant) { |
| av_log(v->s.avctx, AV_LOG_DEBUG, "VOP DQuant info\n"); |
| vop_dquant_decoding(v); |
| } |
| |
| v->bi_type = (v->s.pict_type == AV_PICTURE_TYPE_BI); |
| if (v->bi_type) |
| v->s.pict_type = AV_PICTURE_TYPE_B; |
| |
| return 0; |
| } |
| |
| static const uint32_t vc1_ac_tables[AC_MODES][186][2] = { |
| { |
| { 0x0001, 2}, { 0x0005, 3}, { 0x000D, 4}, { 0x0012, 5}, { 0x000E, 6}, { 0x0015, 7}, |
| { 0x0013, 8}, { 0x003F, 8}, { 0x004B, 9}, { 0x011F, 9}, { 0x00B8, 10}, { 0x03E3, 10}, |
| { 0x0172, 11}, { 0x024D, 12}, { 0x03DA, 12}, { 0x02DD, 13}, { 0x1F55, 13}, { 0x05B9, 14}, |
| { 0x3EAE, 14}, { 0x0000, 4}, { 0x0010, 5}, { 0x0008, 7}, { 0x0020, 8}, { 0x0029, 9}, |
| { 0x01F4, 9}, { 0x0233, 10}, { 0x01E0, 11}, { 0x012A, 12}, { 0x03DD, 12}, { 0x050A, 13}, |
| { 0x1F29, 13}, { 0x0A42, 14}, { 0x1272, 15}, { 0x1737, 15}, { 0x0003, 5}, { 0x0011, 7}, |
| { 0x00C4, 8}, { 0x004B, 10}, { 0x00B4, 11}, { 0x07D4, 11}, { 0x0345, 12}, { 0x02D7, 13}, |
| { 0x07BF, 13}, { 0x0938, 14}, { 0x0BBB, 14}, { 0x095E, 15}, { 0x0013, 5}, { 0x0078, 7}, |
| { 0x0069, 9}, { 0x0232, 10}, { 0x0461, 11}, { 0x03EC, 12}, { 0x0520, 13}, { 0x1F2A, 13}, |
| { 0x3E50, 14}, { 0x3E51, 14}, { 0x1486, 15}, { 0x000C, 6}, { 0x0024, 9}, { 0x0094, 11}, |
| { 0x08C0, 12}, { 0x0F09, 14}, { 0x1EF0, 15}, { 0x003D, 6}, { 0x0053, 9}, { 0x01A0, 11}, |
| { 0x02D6, 13}, { 0x0F08, 14}, { 0x0013, 7}, { 0x007C, 9}, { 0x07C1, 11}, { 0x04AC, 14}, |
| { 0x001B, 7}, { 0x00A0, 10}, { 0x0344, 12}, { 0x0F79, 14}, { 0x0079, 7}, { 0x03E1, 10}, |
| { 0x02D4, 13}, { 0x2306, 14}, { 0x0021, 8}, { 0x023C, 10}, { 0x0FAE, 12}, { 0x23DE, 14}, |
| { 0x0035, 8}, { 0x0175, 11}, { 0x07B3, 13}, { 0x00C5, 8}, { 0x0174, 11}, { 0x0785, 13}, |
| { 0x0048, 9}, { 0x01A3, 11}, { 0x049E, 13}, { 0x002C, 9}, { 0x00FA, 10}, { 0x07D6, 11}, |
| { 0x0092, 10}, { 0x05CC, 13}, { 0x1EF1, 15}, { 0x00A3, 10}, { 0x03ED, 12}, { 0x093E, 14}, |
| { 0x01E2, 11}, { 0x1273, 15}, { 0x07C4, 11}, { 0x1487, 15}, { 0x0291, 12}, { 0x0293, 12}, |
| { 0x0F8A, 12}, { 0x0509, 13}, { 0x0508, 13}, { 0x078D, 13}, { 0x07BE, 13}, { 0x078C, 13}, |
| { 0x04AE, 14}, { 0x0BBA, 14}, { 0x2307, 14}, { 0x0B9A, 14}, { 0x1736, 15}, { 0x000E, 4}, |
| { 0x0045, 7}, { 0x01F3, 9}, { 0x047A, 11}, { 0x05DC, 13}, { 0x23DF, 14}, { 0x0019, 5}, |
| { 0x0028, 9}, { 0x0176, 11}, { 0x049D, 13}, { 0x23DD, 14}, { 0x0030, 6}, { 0x00A2, 10}, |
| { 0x02EF, 12}, { 0x05B8, 14}, { 0x003F, 6}, { 0x00A5, 10}, { 0x03DB, 12}, { 0x093F, 14}, |
| { 0x0044, 7}, { 0x07CB, 11}, { 0x095F, 15}, { 0x0063, 7}, { 0x03C3, 12}, { 0x0015, 8}, |
| { 0x08F6, 12}, { 0x0017, 8}, { 0x0498, 13}, { 0x002C, 8}, { 0x07B2, 13}, { 0x002F, 8}, |
| { 0x1F54, 13}, { 0x008D, 8}, { 0x07BD, 13}, { 0x008E, 8}, { 0x1182, 13}, { 0x00FB, 8}, |
| { 0x050B, 13}, { 0x002D, 8}, { 0x07C0, 11}, { 0x0079, 9}, { 0x1F5F, 13}, { 0x007A, 9}, |
| { 0x1F56, 13}, { 0x0231, 10}, { 0x03E4, 10}, { 0x01A1, 11}, { 0x0143, 11}, { 0x01F7, 11}, |
| { 0x016F, 12}, { 0x0292, 12}, { 0x02E7, 12}, { 0x016C, 12}, { 0x016D, 12}, { 0x03DC, 12}, |
| { 0x0F8B, 12}, { 0x0499, 13}, { 0x03D8, 12}, { 0x078E, 13}, { 0x02D5, 13}, { 0x1F5E, 13}, |
| { 0x1F2B, 13}, { 0x078F, 13}, { 0x04AD, 14}, { 0x3EAF, 14}, { 0x23DC, 14}, { 0x004A, 9} |
| }, |
| { |
| { 0x0000, 3}, { 0x0003, 4}, { 0x000B, 5}, { 0x0014, 6}, { 0x003F, 6}, { 0x005D, 7}, |
| { 0x00A2, 8}, { 0x00AC, 9}, { 0x016E, 9}, { 0x020A, 10}, { 0x02E2, 10}, { 0x0432, 11}, |
| { 0x05C9, 11}, { 0x0827, 12}, { 0x0B54, 12}, { 0x04E6, 13}, { 0x105F, 13}, { 0x172A, 13}, |
| { 0x20B2, 14}, { 0x2D4E, 14}, { 0x39F0, 14}, { 0x4175, 15}, { 0x5A9E, 15}, { 0x0004, 4}, |
| { 0x001E, 5}, { 0x0042, 7}, { 0x00B6, 8}, { 0x0173, 9}, { 0x0395, 10}, { 0x072E, 11}, |
| { 0x0B94, 12}, { 0x16A4, 13}, { 0x20B3, 14}, { 0x2E45, 14}, { 0x0005, 5}, { 0x0040, 7}, |
| { 0x0049, 9}, { 0x028F, 10}, { 0x05CB, 11}, { 0x048A, 13}, { 0x09DD, 14}, { 0x73E2, 15}, |
| { 0x0018, 5}, { 0x0025, 8}, { 0x008A, 10}, { 0x051B, 11}, { 0x0E5F, 12}, { 0x09C9, 14}, |
| { 0x139C, 15}, { 0x0029, 6}, { 0x004F, 9}, { 0x0412, 11}, { 0x048D, 13}, { 0x2E41, 14}, |
| { 0x0038, 6}, { 0x010E, 9}, { 0x05A8, 11}, { 0x105C, 13}, { 0x39F2, 14}, { 0x0058, 7}, |
| { 0x021F, 10}, { 0x0E7E, 12}, { 0x39FF, 14}, { 0x0023, 8}, { 0x02E3, 10}, { 0x04E5, 13}, |
| { 0x2E40, 14}, { 0x00A1, 8}, { 0x05BE, 11}, { 0x09C8, 14}, { 0x0083, 8}, { 0x013A, 11}, |
| { 0x1721, 13}, { 0x0044, 9}, { 0x0276, 12}, { 0x39F6, 14}, { 0x008B, 10}, { 0x04EF, 13}, |
| { 0x5A9B, 15}, { 0x0208, 10}, { 0x1CFE, 13}, { 0x0399, 10}, { 0x1CB4, 13}, { 0x039E, 10}, |
| { 0x39F3, 14}, { 0x05AB, 11}, { 0x73E3, 15}, { 0x0737, 11}, { 0x5A9F, 15}, { 0x082D, 12}, |
| { 0x0E69, 12}, { 0x0E68, 12}, { 0x0433, 11}, { 0x0B7B, 12}, { 0x2DF8, 14}, { 0x2E56, 14}, |
| { 0x2E57, 14}, { 0x39F7, 14}, { 0x51A5, 15}, { 0x0003, 3}, { 0x002A, 6}, { 0x00E4, 8}, |
| { 0x028E, 10}, { 0x0735, 11}, { 0x1058, 13}, { 0x1CFA, 13}, { 0x2DF9, 14}, { 0x4174, 15}, |
| { 0x0009, 4}, { 0x0054, 8}, { 0x0398, 10}, { 0x048B, 13}, { 0x139D, 15}, { 0x000D, 4}, |
| { 0x00AD, 9}, { 0x0826, 12}, { 0x2D4C, 14}, { 0x0011, 5}, { 0x016B, 9}, { 0x0B7F, 12}, |
| { 0x51A4, 15}, { 0x0019, 5}, { 0x021B, 10}, { 0x16FD, 13}, { 0x001D, 5}, { 0x0394, 10}, |
| { 0x28D3, 14}, { 0x002B, 6}, { 0x05BC, 11}, { 0x5A9A, 15}, { 0x002F, 6}, { 0x0247, 12}, |
| { 0x0010, 7}, { 0x0A35, 12}, { 0x003E, 6}, { 0x0B7A, 12}, { 0x0059, 7}, { 0x105E, 13}, |
| { 0x0026, 8}, { 0x09CF, 14}, { 0x0055, 8}, { 0x1CB5, 13}, { 0x0057, 8}, { 0x0E5B, 12}, |
| { 0x00A0, 8}, { 0x1468, 13}, { 0x0170, 9}, { 0x0090, 10}, { 0x01CE, 9}, { 0x021A, 10}, |
| { 0x0218, 10}, { 0x0168, 9}, { 0x021E, 10}, { 0x0244, 12}, { 0x0736, 11}, { 0x0138, 11}, |
| { 0x0519, 11}, { 0x0E5E, 12}, { 0x072C, 11}, { 0x0B55, 12}, { 0x09DC, 14}, { 0x20BB, 14}, |
| { 0x048C, 13}, { 0x1723, 13}, { 0x2E44, 14}, { 0x16A5, 13}, { 0x0518, 11}, { 0x39FE, 14}, |
| { 0x0169, 9} |
| }, |
| { |
| { 0x0001, 2}, { 0x0006, 3}, { 0x000F, 4}, { 0x0016, 5}, { 0x0020, 6}, { 0x0018, 7}, |
| { 0x0008, 8}, { 0x009A, 8}, { 0x0056, 9}, { 0x013E, 9}, { 0x00F0, 10}, { 0x03A5, 10}, |
| { 0x0077, 11}, { 0x01EF, 11}, { 0x009A, 12}, { 0x005D, 13}, { 0x0001, 4}, { 0x0011, 5}, |
| { 0x0002, 7}, { 0x000B, 8}, { 0x0012, 9}, { 0x01D6, 9}, { 0x027E, 10}, { 0x0191, 11}, |
| { 0x00EA, 12}, { 0x03DC, 12}, { 0x013B, 13}, { 0x0004, 5}, { 0x0014, 7}, { 0x009E, 8}, |
| { 0x0009, 10}, { 0x01AC, 11}, { 0x01E2, 11}, { 0x03CA, 12}, { 0x005F, 13}, { 0x0017, 5}, |
| { 0x004E, 7}, { 0x005E, 9}, { 0x00F3, 10}, { 0x01AD, 11}, { 0x00EC, 12}, { 0x05F0, 13}, |
| { 0x000E, 6}, { 0x00E1, 8}, { 0x03A4, 10}, { 0x009C, 12}, { 0x013D, 13}, { 0x003B, 6}, |
| { 0x001C, 9}, { 0x0014, 11}, { 0x09BE, 12}, { 0x0006, 7}, { 0x007A, 9}, { 0x0190, 11}, |
| { 0x0137, 13}, { 0x001B, 7}, { 0x0008, 10}, { 0x075C, 11}, { 0x0071, 7}, { 0x00D7, 10}, |
| { 0x09BF, 12}, { 0x0007, 8}, { 0x00AF, 10}, { 0x04CC, 11}, { 0x0034, 8}, { 0x0265, 10}, |
| { 0x009F, 12}, { 0x00E0, 8}, { 0x0016, 11}, { 0x0327, 12}, { 0x0015, 9}, { 0x017D, 11}, |
| { 0x0EBB, 12}, { 0x0014, 9}, { 0x00F6, 10}, { 0x01E4, 11}, { 0x00CB, 10}, { 0x099D, 12}, |
| { 0x00CA, 10}, { 0x02FC, 12}, { 0x017F, 11}, { 0x04CD, 11}, { 0x02FD, 12}, { 0x04FE, 11}, |
| { 0x013A, 13}, { 0x000A, 4}, { 0x0042, 7}, { 0x01D3, 9}, { 0x04DD, 11}, { 0x0012, 5}, |
| { 0x00E8, 8}, { 0x004C, 11}, { 0x0136, 13}, { 0x0039, 6}, { 0x0264, 10}, { 0x0EBA, 12}, |
| { 0x0000, 7}, { 0x00AE, 10}, { 0x099C, 12}, { 0x001F, 7}, { 0x04DE, 11}, { 0x0043, 7}, |
| { 0x04DC, 11}, { 0x0003, 8}, { 0x03CB, 12}, { 0x0006, 8}, { 0x099E, 12}, { 0x002A, 8}, |
| { 0x05F1, 13}, { 0x000F, 8}, { 0x09FE, 12}, { 0x0033, 8}, { 0x09FF, 12}, { 0x0098, 8}, |
| { 0x099F, 12}, { 0x00EA, 8}, { 0x013C, 13}, { 0x002E, 8}, { 0x0192, 11}, { 0x0136, 9}, |
| { 0x006A, 9}, { 0x0015, 11}, { 0x03AF, 10}, { 0x01E3, 11}, { 0x0074, 11}, { 0x00EB, 12}, |
| { 0x02F9, 12}, { 0x005C, 13}, { 0x00ED, 12}, { 0x03DD, 12}, { 0x0326, 12}, { 0x005E, 13}, |
| { 0x0016, 7} |
| }, |
| { |
| { 0x0004, 3}, { 0x0014, 5}, { 0x0017, 7}, { 0x007F, 8}, { 0x0154, 9}, { 0x01F2, 10}, |
| { 0x00BF, 11}, { 0x0065, 12}, { 0x0AAA, 12}, { 0x0630, 13}, { 0x1597, 13}, { 0x03B7, 14}, |
| { 0x2B22, 14}, { 0x0BE6, 15}, { 0x000B, 4}, { 0x0037, 7}, { 0x0062, 9}, { 0x0007, 11}, |
| { 0x0166, 12}, { 0x00CE, 13}, { 0x1590, 13}, { 0x05F6, 14}, { 0x0BE7, 15}, { 0x0007, 5}, |
| { 0x006D, 8}, { 0x0003, 11}, { 0x031F, 12}, { 0x05F2, 14}, { 0x0002, 6}, { 0x0061, 9}, |
| { 0x0055, 12}, { 0x01DF, 14}, { 0x001A, 6}, { 0x001E, 10}, { 0x0AC9, 12}, { 0x2B23, 14}, |
| { 0x001E, 6}, { 0x001F, 10}, { 0x0AC3, 12}, { 0x2B2B, 14}, { 0x0006, 7}, { 0x0004, 11}, |
| { 0x02F8, 13}, { 0x0019, 7}, { 0x0006, 11}, { 0x063D, 13}, { 0x0057, 7}, { 0x0182, 11}, |
| { 0x2AA2, 14}, { 0x0004, 8}, { 0x0180, 11}, { 0x059C, 14}, { 0x007D, 8}, { 0x0164, 12}, |
| { 0x076D, 15}, { 0x0002, 9}, { 0x018D, 11}, { 0x1581, 13}, { 0x00AD, 8}, { 0x0060, 12}, |
| { 0x0C67, 14}, { 0x001C, 9}, { 0x00EE, 13}, { 0x0003, 9}, { 0x02CF, 13}, { 0x00D9, 9}, |
| { 0x1580, 13}, { 0x0002, 11}, { 0x0183, 11}, { 0x0057, 12}, { 0x0061, 12}, { 0x0031, 11}, |
| { 0x0066, 12}, { 0x0631, 13}, { 0x0632, 13}, { 0x00AC, 13}, { 0x031D, 12}, { 0x0076, 12}, |
| { 0x003A, 11}, { 0x0165, 12}, { 0x0C66, 14}, { 0x0003, 2}, { 0x0054, 7}, { 0x02AB, 10}, |
| { 0x0016, 13}, { 0x05F7, 14}, { 0x0005, 4}, { 0x00F8, 9}, { 0x0AA9, 12}, { 0x005F, 15}, |
| { 0x0004, 4}, { 0x001C, 10}, { 0x1550, 13}, { 0x0004, 5}, { 0x0077, 11}, { 0x076C, 15}, |
| { 0x000E, 5}, { 0x000A, 12}, { 0x000C, 5}, { 0x0562, 11}, { 0x0004, 6}, { 0x031C, 12}, |
| { 0x0006, 6}, { 0x00C8, 13}, { 0x000D, 6}, { 0x01DA, 13}, { 0x0007, 6}, { 0x00C9, 13}, |
| { 0x0001, 7}, { 0x002E, 14}, { 0x0014, 7}, { 0x1596, 13}, { 0x000A, 7}, { 0x0AC2, 12}, |
| { 0x0016, 7}, { 0x015B, 14}, { 0x0015, 7}, { 0x015A, 14}, { 0x000F, 8}, { 0x005E, 15}, |
| { 0x007E, 8}, { 0x00AB, 8}, { 0x002D, 9}, { 0x00D8, 9}, { 0x000B, 9}, { 0x0014, 10}, |
| { 0x02B3, 10}, { 0x01F3, 10}, { 0x003A, 10}, { 0x0000, 10}, { 0x0058, 10}, { 0x002E, 9}, |
| { 0x005E, 10}, { 0x0563, 11}, { 0x00EC, 12}, { 0x0054, 12}, { 0x0AC1, 12}, { 0x1556, 13}, |
| { 0x02FA, 13}, { 0x0181, 11}, { 0x1557, 13}, { 0x059D, 14}, { 0x2AA3, 14}, { 0x2B2A, 14}, |
| { 0x01DE, 14}, { 0x063C, 13}, { 0x00CF, 13}, { 0x1594, 13}, { 0x000D, 9} |
| }, |
| { |
| { 0x0002, 2}, { 0x0006, 3}, { 0x000F, 4}, { 0x000D, 5}, { 0x000C, 5}, { 0x0015, 6}, |
| { 0x0013, 6}, { 0x0012, 6}, { 0x0017, 7}, { 0x001F, 8}, { 0x001E, 8}, { 0x001D, 8}, |
| { 0x0025, 9}, { 0x0024, 9}, { 0x0023, 9}, { 0x0021, 9}, { 0x0021, 10}, { 0x0020, 10}, |
| { 0x000F, 10}, { 0x000E, 10}, { 0x0007, 11}, { 0x0006, 11}, { 0x0020, 11}, { 0x0021, 11}, |
| { 0x0050, 12}, { 0x0051, 12}, { 0x0052, 12}, { 0x000E, 4}, { 0x0014, 6}, { 0x0016, 7}, |
| { 0x001C, 8}, { 0x0020, 9}, { 0x001F, 9}, { 0x000D, 10}, { 0x0022, 11}, { 0x0053, 12}, |
| { 0x0055, 12}, { 0x000B, 5}, { 0x0015, 7}, { 0x001E, 9}, { 0x000C, 10}, { 0x0056, 12}, |
| { 0x0011, 6}, { 0x001B, 8}, { 0x001D, 9}, { 0x000B, 10}, { 0x0010, 6}, { 0x0022, 9}, |
| { 0x000A, 10}, { 0x000D, 6}, { 0x001C, 9}, { 0x0008, 10}, { 0x0012, 7}, { 0x001B, 9}, |
| { 0x0054, 12}, { 0x0014, 7}, { 0x001A, 9}, { 0x0057, 12}, { 0x0019, 8}, { 0x0009, 10}, |
| { 0x0018, 8}, { 0x0023, 11}, { 0x0017, 8}, { 0x0019, 9}, { 0x0018, 9}, { 0x0007, 10}, |
| { 0x0058, 12}, { 0x0007, 4}, { 0x000C, 6}, { 0x0016, 8}, { 0x0017, 9}, { 0x0006, 10}, |
| { 0x0005, 11}, { 0x0004, 11}, { 0x0059, 12}, { 0x000F, 6}, { 0x0016, 9}, { 0x0005, 10}, |
| { 0x000E, 6}, { 0x0004, 10}, { 0x0011, 7}, { 0x0024, 11}, { 0x0010, 7}, { 0x0025, 11}, |
| { 0x0013, 7}, { 0x005A, 12}, { 0x0015, 8}, { 0x005B, 12}, { 0x0014, 8}, { 0x0013, 8}, |
| { 0x001A, 8}, { 0x0015, 9}, { 0x0014, 9}, { 0x0013, 9}, { 0x0012, 9}, { 0x0011, 9}, |
| { 0x0026, 11}, { 0x0027, 11}, { 0x005C, 12}, { 0x005D, 12}, { 0x005E, 12}, { 0x005F, 12}, |
| { 0x0003, 7} |
| }, |
| { |
| { 0x0002, 2}, { 0x000F, 4}, { 0x0015, 6}, { 0x0017, 7}, { 0x001F, 8}, { 0x0025, 9}, |
| { 0x0024, 9}, { 0x0021, 10}, { 0x0020, 10}, { 0x0007, 11}, { 0x0006, 11}, { 0x0020, 11}, |
| { 0x0006, 3}, { 0x0014, 6}, { 0x001E, 8}, { 0x000F, 10}, { 0x0021, 11}, { 0x0050, 12}, |
| { 0x000E, 4}, { 0x001D, 8}, { 0x000E, 10}, { 0x0051, 12}, { 0x000D, 5}, { 0x0023, 9}, |
| { 0x000D, 10}, { 0x000C, 5}, { 0x0022, 9}, { 0x0052, 12}, { 0x000B, 5}, { 0x000C, 10}, |
| { 0x0053, 12}, { 0x0013, 6}, { 0x000B, 10}, { 0x0054, 12}, { 0x0012, 6}, { 0x000A, 10}, |
| { 0x0011, 6}, { 0x0009, 10}, { 0x0010, 6}, { 0x0008, 10}, { 0x0016, 7}, { 0x0055, 12}, |
| { 0x0015, 7}, { 0x0014, 7}, { 0x001C, 8}, { 0x001B, 8}, { 0x0021, 9}, { 0x0020, 9}, |
| { 0x001F, 9}, { 0x001E, 9}, { 0x001D, 9}, { 0x001C, 9}, { 0x001B, 9}, { 0x001A, 9}, |
| { 0x0022, 11}, { 0x0023, 11}, { 0x0056, 12}, { 0x0057, 12}, { 0x0007, 4}, { 0x0019, 9}, |
| { 0x0005, 11}, { 0x000F, 6}, { 0x0004, 11}, { 0x000E, 6}, { 0x000D, 6}, { 0x000C, 6}, |
| { 0x0013, 7}, { 0x0012, 7}, { 0x0011, 7}, { 0x0010, 7}, { 0x001A, 8}, { 0x0019, 8}, |
| { 0x0018, 8}, { 0x0017, 8}, { 0x0016, 8}, { 0x0015, 8}, { 0x0014, 8}, { 0x0013, 8}, |
| { 0x0018, 9}, { 0x0017, 9}, { 0x0016, 9}, { 0x0015, 9}, { 0x0014, 9}, { 0x0013, 9}, |
| { 0x0012, 9}, { 0x0011, 9}, { 0x0007, 10}, { 0x0006, 10}, { 0x0005, 10}, { 0x0004, 10}, |
| { 0x0024, 11}, { 0x0025, 11}, { 0x0026, 11}, { 0x0027, 11}, { 0x0058, 12}, { 0x0059, 12}, |
| { 0x005A, 12}, { 0x005B, 12}, { 0x005C, 12}, { 0x005D, 12}, { 0x005E, 12}, { 0x005F, 12}, |
| { 0x0003, 7} |
| }, |
| { |
| { 0x0000, 2}, { 0x0003, 3}, { 0x000D, 4}, { 0x0005, 4}, { 0x001C, 5}, { 0x0016, 5}, |
| { 0x003F, 6}, { 0x003A, 6}, { 0x002E, 6}, { 0x0022, 6}, { 0x007B, 7}, { 0x0067, 7}, |
| { 0x005F, 7}, { 0x0047, 7}, { 0x0026, 7}, { 0x00EF, 8}, { 0x00CD, 8}, { 0x00C1, 8}, |
| { 0x00A9, 8}, { 0x004F, 8}, { 0x01F2, 9}, { 0x01DD, 9}, { 0x0199, 9}, { 0x0185, 9}, |
| { 0x015D, 9}, { 0x011B, 9}, { 0x03EF, 10}, { 0x03E1, 10}, { 0x03C8, 10}, { 0x0331, 10}, |
| { 0x0303, 10}, { 0x02F1, 10}, { 0x02A0, 10}, { 0x0233, 10}, { 0x0126, 10}, { 0x07C0, 11}, |
| { 0x076F, 11}, { 0x076C, 11}, { 0x0661, 11}, { 0x0604, 11}, { 0x0572, 11}, { 0x0551, 11}, |
| { 0x046A, 11}, { 0x0274, 11}, { 0x0F27, 12}, { 0x0F24, 12}, { 0x0EDB, 12}, { 0x0C8E, 12}, |
| { 0x0C0B, 12}, { 0x0C0A, 12}, { 0x0AE3, 12}, { 0x08D6, 12}, { 0x0490, 12}, { 0x0495, 12}, |
| { 0x1F19, 13}, { 0x1DB5, 13}, { 0x0009, 4}, { 0x0010, 5}, { 0x0029, 6}, { 0x0062, 7}, |
| { 0x00F3, 8}, { 0x00AD, 8}, { 0x01E5, 9}, { 0x0179, 9}, { 0x009C, 9}, { 0x03B1, 10}, |
| { 0x02AE, 10}, { 0x0127, 10}, { 0x076E, 11}, { 0x0570, 11}, { 0x0275, 11}, { 0x0F25, 12}, |
| { 0x0EC0, 12}, { 0x0AA0, 12}, { 0x08D7, 12}, { 0x1E4C, 13}, { 0x0008, 5}, { 0x0063, 7}, |
| { 0x00AF, 8}, { 0x017B, 9}, { 0x03B3, 10}, { 0x07DD, 11}, { 0x0640, 11}, { 0x0F8D, 12}, |
| { 0x0BC1, 12}, { 0x0491, 12}, { 0x0028, 6}, { 0x00C3, 8}, { 0x0151, 9}, { 0x02A1, 10}, |
| { 0x0573, 11}, { 0x0EC3, 12}, { 0x1F35, 13}, { 0x0065, 7}, { 0x01DA, 9}, { 0x02AF, 10}, |
| { 0x0277, 11}, { 0x08C9, 12}, { 0x1781, 13}, { 0x0025, 7}, { 0x0118, 9}, { 0x0646, 11}, |
| { 0x0AA6, 12}, { 0x1780, 13}, { 0x00C9, 8}, { 0x0321, 10}, { 0x0F9B, 12}, { 0x191E, 13}, |
| { 0x0048, 8}, { 0x07CC, 11}, { 0x0AA1, 12}, { 0x0180, 9}, { 0x0465, 11}, { 0x1905, 13}, |
| { 0x03E2, 10}, { 0x0EC1, 12}, { 0x3C9B, 14}, { 0x02F4, 10}, { 0x08C8, 12}, { 0x07C1, 11}, |
| { 0x0928, 13}, { 0x05E1, 11}, { 0x320D, 14}, { 0x0EC2, 12}, { 0x6418, 15}, { 0x1F34, 13}, |
| { 0x0078, 7}, { 0x0155, 9}, { 0x0552, 11}, { 0x191F, 13}, { 0x00FA, 8}, { 0x07DC, 11}, |
| { 0x1907, 13}, { 0x00AC, 8}, { 0x0249, 11}, { 0x13B1, 14}, { 0x01F6, 9}, { 0x0AE2, 12}, |
| { 0x01DC, 9}, { 0x04ED, 12}, { 0x0184, 9}, { 0x1904, 13}, { 0x0156, 9}, { 0x09D9, 13}, |
| { 0x03E7, 10}, { 0x0929, 13}, { 0x03B2, 10}, { 0x3B68, 14}, { 0x02F5, 10}, { 0x13B0, 14}, |
| { 0x0322, 10}, { 0x3B69, 14}, { 0x0234, 10}, { 0x7935, 15}, { 0x07C7, 11}, { 0xC833, 16}, |
| { 0x0660, 11}, { 0x7934, 15}, { 0x024B, 11}, { 0xC832, 16}, { 0x0AA7, 12}, { 0x1F18, 13}, |
| { 0x007A, 7} |
| }, |
| { |
| { 0x0002, 2}, { 0x0000, 3}, { 0x001E, 5}, { 0x0004, 5}, { 0x0012, 6}, { 0x0070, 7}, |
| { 0x001A, 7}, { 0x005F, 8}, { 0x0047, 8}, { 0x01D3, 9}, { 0x00B5, 9}, { 0x0057, 9}, |
| { 0x03B5, 10}, { 0x016D, 10}, { 0x0162, 10}, { 0x07CE, 11}, { 0x0719, 11}, { 0x0691, 11}, |
| { 0x02C6, 11}, { 0x0156, 11}, { 0x0F92, 12}, { 0x0D2E, 12}, { 0x0D20, 12}, { 0x059E, 12}, |
| { 0x0468, 12}, { 0x02A6, 12}, { 0x1DA2, 13}, { 0x1C60, 13}, { 0x1A43, 13}, { 0x0B1D, 13}, |
| { 0x08C0, 13}, { 0x055D, 13}, { 0x0003, 3}, { 0x000A, 5}, { 0x0077, 7}, { 0x00E5, 8}, |
| { 0x01D9, 9}, { 0x03E5, 10}, { 0x0166, 10}, { 0x0694, 11}, { 0x0152, 11}, { 0x059F, 12}, |
| { 0x1F3C, 13}, { 0x1A4B, 13}, { 0x055E, 13}, { 0x000C, 4}, { 0x007D, 7}, { 0x0044, 8}, |
| { 0x03E0, 10}, { 0x0769, 11}, { 0x0E31, 12}, { 0x1F26, 13}, { 0x055C, 13}, { 0x001B, 5}, |
| { 0x00E2, 8}, { 0x03A5, 10}, { 0x02C9, 11}, { 0x1F23, 13}, { 0x3B47, 14}, { 0x0007, 5}, |
| { 0x01D8, 9}, { 0x02D8, 11}, { 0x1F27, 13}, { 0x3494, 14}, { 0x0035, 6}, { 0x03E1, 10}, |
| { 0x059C, 12}, { 0x38C3, 14}, { 0x000C, 6}, { 0x0165, 10}, { 0x1D23, 13}, { 0x1638, 14}, |
| { 0x0068, 7}, { 0x0693, 11}, { 0x3A45, 14}, { 0x0020, 7}, { 0x0F90, 12}, { 0x7CF6, 15}, |
| { 0x00E8, 8}, { 0x058F, 12}, { 0x2CEF, 15}, { 0x0045, 8}, { 0x0B3A, 13}, { 0x01F1, 9}, |
| { 0x3B46, 14}, { 0x01A7, 9}, { 0x1676, 14}, { 0x0056, 9}, { 0x692A, 15}, { 0x038D, 10}, |
| { 0xE309, 16}, { 0x00AA, 10}, { 0x1C611, 17}, { 0x02DF, 11}, { 0xB3B9, 17}, { 0x02C8, 11}, |
| { 0x38C20, 18}, { 0x01B0, 11}, { 0x16390, 18}, { 0x0F9F, 12}, { 0x16771, 18}, { 0x0ED0, 12}, |
| { 0x71843, 19}, { 0x0D2A, 12}, { 0xF9E8C, 20}, { 0x0461, 12}, { 0xF9E8E, 20}, { 0x0B67, 13}, |
| { 0x055F, 13}, { 0x003F, 6}, { 0x006D, 9}, { 0x0E90, 12}, { 0x054E, 13}, { 0x0013, 6}, |
| { 0x0119, 10}, { 0x0B66, 13}, { 0x000B, 6}, { 0x0235, 11}, { 0x7CF5, 15}, { 0x0075, 7}, |
| { 0x0D24, 12}, { 0xF9E9, 16}, { 0x002E, 7}, { 0x1F22, 13}, { 0x0021, 7}, { 0x054F, 13}, |
| { 0x0014, 7}, { 0x3A44, 14}, { 0x00E4, 8}, { 0x7CF7, 15}, { 0x005E, 8}, { 0x7185, 15}, |
| { 0x0037, 8}, { 0x2C73, 15}, { 0x01DB, 9}, { 0x59DD, 16}, { 0x01C7, 9}, { 0x692B, 15}, |
| { 0x01A6, 9}, { 0x58E5, 16}, { 0x00B4, 9}, { 0x1F3D0, 17}, { 0x00B0, 9}, { 0xB1C9, 17}, |
| { 0x03E6, 10}, { 0x16770, 18}, { 0x016E, 10}, { 0x3E7A2, 18}, { 0x011B, 10}, { 0xF9E8D, 20}, |
| { 0x00D9, 10}, { 0xF9E8F, 20}, { 0x00A8, 10}, { 0x2C723, 19}, { 0x0749, 11}, { 0xE3084, 20}, |
| { 0x0696, 11}, { 0x58E45, 20}, { 0x02DE, 11}, { 0xB1C88, 21}, { 0x0231, 11}, { 0x1C610A, 21}, |
| { 0x01B1, 11}, { 0x71842D, 23}, { 0x0D2B, 12}, { 0x38C217, 22}, { 0x0D2F, 12}, { 0x163913, 22}, |
| { 0x05B2, 12}, { 0x163912, 22}, { 0x0469, 12}, { 0x71842C, 23}, { 0x1A42, 13}, { 0x08C1, 13}, |
| { 0x0073, 7} |
| } |
| }; |
| |
| static const uint16_t vlc_offs[] = { |
| 0, 520, 552, 616, 1128, 1160, 1224, 1740, 1772, 1836, 1900, 2436, |
| 2986, 3050, 3610, 4154, 4218, 4746, 5326, 5390, 5902, 6554, 7658, 8342, |
| 9304, 9988, 10630, 11234, 12174, 13006, 13560, 14232, 14786, 15432, 16350, 17522, |
| 20372, 21818, 22330, 22394, 23166, 23678, 23742, 24820, 25332, 25396, 26460, 26980, |
| 27048, 27592, 27600, 27608, 27616, 27624, 28224, 28258, 28290, 28802, 28834, 28866, |
| 29378, 29412, 29444, 29960, 29994, 30026, 30538, 30572, 30604, 31120, 31154, 31186, |
| 31714, 31746, 31778, 32306, 32340, 32372 |
| }; |
| |
| /** |
| * Init VC-1 specific tables and VC1Context members |
| * @param v The VC1Context to initialize |
| * @return Status |
| */ |
| av_cold int ff_vc1_init_common(VC1Context *v) |
| { |
| static int done = 0; |
| int i = 0; |
| static VLC_TYPE vlc_table[32372][2]; |
| |
| v->hrd_rate = v->hrd_buffer = NULL; |
| |
| /* VLC tables */ |
| if (!done) { |
| INIT_VLC_STATIC(&ff_vc1_bfraction_vlc, VC1_BFRACTION_VLC_BITS, 23, |
| ff_vc1_bfraction_bits, 1, 1, |
| ff_vc1_bfraction_codes, 1, 1, 1 << VC1_BFRACTION_VLC_BITS); |
| INIT_VLC_STATIC(&ff_vc1_norm2_vlc, VC1_NORM2_VLC_BITS, 4, |
| ff_vc1_norm2_bits, 1, 1, |
| ff_vc1_norm2_codes, 1, 1, 1 << VC1_NORM2_VLC_BITS); |
| INIT_VLC_STATIC(&ff_vc1_norm6_vlc, VC1_NORM6_VLC_BITS, 64, |
| ff_vc1_norm6_bits, 1, 1, |
| ff_vc1_norm6_codes, 2, 2, 556); |
| INIT_VLC_STATIC(&ff_vc1_imode_vlc, VC1_IMODE_VLC_BITS, 7, |
| ff_vc1_imode_bits, 1, 1, |
| ff_vc1_imode_codes, 1, 1, 1 << VC1_IMODE_VLC_BITS); |
| for (i = 0; i < 3; i++) { |
| ff_vc1_ttmb_vlc[i].table = &vlc_table[vlc_offs[i * 3 + 0]]; |
| ff_vc1_ttmb_vlc[i].table_allocated = vlc_offs[i * 3 + 1] - vlc_offs[i * 3 + 0]; |
| init_vlc(&ff_vc1_ttmb_vlc[i], VC1_TTMB_VLC_BITS, 16, |
| ff_vc1_ttmb_bits[i], 1, 1, |
| ff_vc1_ttmb_codes[i], 2, 2, INIT_VLC_USE_NEW_STATIC); |
| ff_vc1_ttblk_vlc[i].table = &vlc_table[vlc_offs[i * 3 + 1]]; |
| ff_vc1_ttblk_vlc[i].table_allocated = vlc_offs[i * 3 + 2] - vlc_offs[i * 3 + 1]; |
| init_vlc(&ff_vc1_ttblk_vlc[i], VC1_TTBLK_VLC_BITS, 8, |
| ff_vc1_ttblk_bits[i], 1, 1, |
| ff_vc1_ttblk_codes[i], 1, 1, INIT_VLC_USE_NEW_STATIC); |
| ff_vc1_subblkpat_vlc[i].table = &vlc_table[vlc_offs[i * 3 + 2]]; |
| ff_vc1_subblkpat_vlc[i].table_allocated = vlc_offs[i * 3 + 3] - vlc_offs[i * 3 + 2]; |
| init_vlc(&ff_vc1_subblkpat_vlc[i], VC1_SUBBLKPAT_VLC_BITS, 15, |
| ff_vc1_subblkpat_bits[i], 1, 1, |
| ff_vc1_subblkpat_codes[i], 1, 1, INIT_VLC_USE_NEW_STATIC); |
| } |
| for (i = 0; i < 4; i++) { |
| ff_vc1_4mv_block_pattern_vlc[i].table = &vlc_table[vlc_offs[i * 3 + 9]]; |
| ff_vc1_4mv_block_pattern_vlc[i].table_allocated = vlc_offs[i * 3 + 10] - vlc_offs[i * 3 + 9]; |
| init_vlc(&ff_vc1_4mv_block_pattern_vlc[i], VC1_4MV_BLOCK_PATTERN_VLC_BITS, 16, |
| ff_vc1_4mv_block_pattern_bits[i], 1, 1, |
| ff_vc1_4mv_block_pattern_codes[i], 1, 1, INIT_VLC_USE_NEW_STATIC); |
| ff_vc1_cbpcy_p_vlc[i].table = &vlc_table[vlc_offs[i * 3 + 10]]; |
| ff_vc1_cbpcy_p_vlc[i].table_allocated = vlc_offs[i * 3 + 11] - vlc_offs[i * 3 + 10]; |
| init_vlc(&ff_vc1_cbpcy_p_vlc[i], VC1_CBPCY_P_VLC_BITS, 64, |
| ff_vc1_cbpcy_p_bits[i], 1, 1, |
| ff_vc1_cbpcy_p_codes[i], 2, 2, INIT_VLC_USE_NEW_STATIC); |
| ff_vc1_mv_diff_vlc[i].table = &vlc_table[vlc_offs[i * 3 + 11]]; |
| ff_vc1_mv_diff_vlc[i].table_allocated = vlc_offs[i * 3 + 12] - vlc_offs[i * 3 + 11]; |
| init_vlc(&ff_vc1_mv_diff_vlc[i], VC1_MV_DIFF_VLC_BITS, 73, |
| ff_vc1_mv_diff_bits[i], 1, 1, |
| ff_vc1_mv_diff_codes[i], 2, 2, INIT_VLC_USE_NEW_STATIC); |
| } |
| for (i = 0; i < 8; i++) { |
| ff_vc1_ac_coeff_table[i].table = &vlc_table[vlc_offs[i * 2 + 21]]; |
| ff_vc1_ac_coeff_table[i].table_allocated = vlc_offs[i * 2 + 22] - vlc_offs[i * 2 + 21]; |
| init_vlc(&ff_vc1_ac_coeff_table[i], AC_VLC_BITS, ff_vc1_ac_sizes[i], |
| &vc1_ac_tables[i][0][1], 8, 4, |
| &vc1_ac_tables[i][0][0], 8, 4, INIT_VLC_USE_NEW_STATIC); |
| /* initialize interlaced MVDATA tables (2-Ref) */ |
| ff_vc1_2ref_mvdata_vlc[i].table = &vlc_table[vlc_offs[i * 2 + 22]]; |
| ff_vc1_2ref_mvdata_vlc[i].table_allocated = vlc_offs[i * 2 + 23] - vlc_offs[i * 2 + 22]; |
| init_vlc(&ff_vc1_2ref_mvdata_vlc[i], VC1_2REF_MVDATA_VLC_BITS, 126, |
| ff_vc1_2ref_mvdata_bits[i], 1, 1, |
| ff_vc1_2ref_mvdata_codes[i], 4, 4, INIT_VLC_USE_NEW_STATIC); |
| } |
| for (i = 0; i < 4; i++) { |
| /* initialize 4MV MBMODE VLC tables for interlaced frame P picture */ |
| ff_vc1_intfr_4mv_mbmode_vlc[i].table = &vlc_table[vlc_offs[i * 3 + 37]]; |
| ff_vc1_intfr_4mv_mbmode_vlc[i].table_allocated = vlc_offs[i * 3 + 38] - vlc_offs[i * 3 + 37]; |
| init_vlc(&ff_vc1_intfr_4mv_mbmode_vlc[i], VC1_INTFR_4MV_MBMODE_VLC_BITS, 15, |
| ff_vc1_intfr_4mv_mbmode_bits[i], 1, 1, |
| ff_vc1_intfr_4mv_mbmode_codes[i], 2, 2, INIT_VLC_USE_NEW_STATIC); |
| /* initialize NON-4MV MBMODE VLC tables for the same */ |
| ff_vc1_intfr_non4mv_mbmode_vlc[i].table = &vlc_table[vlc_offs[i * 3 + 38]]; |
| ff_vc1_intfr_non4mv_mbmode_vlc[i].table_allocated = vlc_offs[i * 3 + 39] - vlc_offs[i * 3 + 38]; |
| init_vlc(&ff_vc1_intfr_non4mv_mbmode_vlc[i], VC1_INTFR_NON4MV_MBMODE_VLC_BITS, 9, |
| ff_vc1_intfr_non4mv_mbmode_bits[i], 1, 1, |
| ff_vc1_intfr_non4mv_mbmode_codes[i], 1, 1, INIT_VLC_USE_NEW_STATIC); |
| /* initialize interlaced MVDATA tables (1-Ref) */ |
| ff_vc1_1ref_mvdata_vlc[i].table = &vlc_table[vlc_offs[i * 3 + 39]]; |
| ff_vc1_1ref_mvdata_vlc[i].table_allocated = vlc_offs[i * 3 + 40] - vlc_offs[i * 3 + 39]; |
| init_vlc(&ff_vc1_1ref_mvdata_vlc[i], VC1_1REF_MVDATA_VLC_BITS, 72, |
| ff_vc1_1ref_mvdata_bits[i], 1, 1, |
| ff_vc1_1ref_mvdata_codes[i], 4, 4, INIT_VLC_USE_NEW_STATIC); |
| } |
| for (i = 0; i < 4; i++) { |
| /* Initialize 2MV Block pattern VLC tables */ |
| ff_vc1_2mv_block_pattern_vlc[i].table = &vlc_table[vlc_offs[i + 49]]; |
| ff_vc1_2mv_block_pattern_vlc[i].table_allocated = vlc_offs[i + 50] - vlc_offs[i + 49]; |
| init_vlc(&ff_vc1_2mv_block_pattern_vlc[i], VC1_2MV_BLOCK_PATTERN_VLC_BITS, 4, |
| ff_vc1_2mv_block_pattern_bits[i], 1, 1, |
| ff_vc1_2mv_block_pattern_codes[i], 1, 1, INIT_VLC_USE_NEW_STATIC); |
| } |
| for (i = 0; i < 8; i++) { |
| /* Initialize interlaced CBPCY VLC tables (Table 124 - Table 131) */ |
| ff_vc1_icbpcy_vlc[i].table = &vlc_table[vlc_offs[i * 3 + 53]]; |
| ff_vc1_icbpcy_vlc[i].table_allocated = vlc_offs[i * 3 + 54] - vlc_offs[i * 3 + 53]; |
| init_vlc(&ff_vc1_icbpcy_vlc[i], VC1_ICBPCY_VLC_BITS, 63, |
| ff_vc1_icbpcy_p_bits[i], 1, 1, |
| ff_vc1_icbpcy_p_codes[i], 2, 2, INIT_VLC_USE_NEW_STATIC); |
| /* Initialize interlaced field picture MBMODE VLC tables */ |
| ff_vc1_if_mmv_mbmode_vlc[i].table = &vlc_table[vlc_offs[i * 3 + 54]]; |
| ff_vc1_if_mmv_mbmode_vlc[i].table_allocated = vlc_offs[i * 3 + 55] - vlc_offs[i * 3 + 54]; |
| init_vlc(&ff_vc1_if_mmv_mbmode_vlc[i], VC1_IF_MMV_MBMODE_VLC_BITS, 8, |
| ff_vc1_if_mmv_mbmode_bits[i], 1, 1, |
| ff_vc1_if_mmv_mbmode_codes[i], 1, 1, INIT_VLC_USE_NEW_STATIC); |
| ff_vc1_if_1mv_mbmode_vlc[i].table = &vlc_table[vlc_offs[i * 3 + 55]]; |
| ff_vc1_if_1mv_mbmode_vlc[i].table_allocated = vlc_offs[i * 3 + 56] - vlc_offs[i * 3 + 55]; |
| init_vlc(&ff_vc1_if_1mv_mbmode_vlc[i], VC1_IF_1MV_MBMODE_VLC_BITS, 6, |
| ff_vc1_if_1mv_mbmode_bits[i], 1, 1, |
| ff_vc1_if_1mv_mbmode_codes[i], 1, 1, INIT_VLC_USE_NEW_STATIC); |
| } |
| done = 1; |
| } |
| |
| /* Other defaults */ |
| v->pq = -1; |
| v->mvrange = 0; /* 7.1.1.18, p80 */ |
| |
| ff_vc1dsp_init(&v->vc1dsp); |
| |
| return 0; |
| } |
