falkTX
/
FFmpeg
mirror of https://github.com/falkTX/FFmpeg.git
1
0
Fork 0
Code Issues 0 Releases 338 Wiki Activity
You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
52502 Commits
32 Branches
367MB
Tree: d78329700d
Branches Tags
${ item.name }
Create branch ${ searchTerm }
from 'd78329700d'
${ noResults }
FFmpeg/libavcodec/vc1.c

1703 lines
75KB
Raw Blame History 

  1. /*

  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

  6.  *

  7.  * This file is part of FFmpeg.

  8.  *

  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.

  13.  *

  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.

  18.  *

  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

  22.  */

  23. 

  24. /**

  25.  * @file

  26.  * VC-1 and WMV3 decoder common code

  27.  *

  28.  */

  29. 

  30. #include "internal.h"

  31. #include "avcodec.h"

  32. #include "mpegvideo.h"

  33. #include "vc1.h"

  34. #include "vc1data.h"

  35. #include "msmpeg4data.h"

  36. #include "unary.h"

  37. #include "simple_idct.h"

  38. 

  39. #undef NDEBUG

  40. #include <assert.h>

  41. 

  42. /***********************************************************************/

  43. /**

  44.  * @name VC-1 Bitplane decoding

  45.  * @see 8.7, p56

  46.  * @{

  47.  */

  48. 

  49. /**

  50.  * Imode types

  51.  * @{

  52.  */

  53. enum Imode {

  54.     IMODE_RAW,

  55.     IMODE_NORM2,

  56.     IMODE_DIFF2,

  57.     IMODE_NORM6,

  58.     IMODE_DIFF6,

  59.     IMODE_ROWSKIP,

  60.     IMODE_COLSKIP

  61. };

  62. /** @} */ //imode defines

  63. 

  64. /** Decode rows by checking if they are skipped

  65.  * @param plane Buffer to store decoded bits

  66.  * @param[in] width Width of this buffer

  67.  * @param[in] height Height of this buffer

  68.  * @param[in] stride of this buffer

  69.  */

  70. static void decode_rowskip(uint8_t* plane, int width, int height, int stride,

  71.                            GetBitContext *gb)

  72. {

  73.     int x, y;

  74. 

  75.     for (y = 0; y < height; y++) {

  76.         if (!get_bits1(gb)) //rowskip

  77.             memset(plane, 0, width);

  78.         else

  79.             for (x = 0; x < width; x++)

  80.                 plane[x] = get_bits1(gb);

  81.         plane += stride;

  82.     }

  83. }

  84. 

  85. /** Decode columns by checking if they are skipped

  86.  * @param plane Buffer to store decoded bits

  87.  * @param[in] width Width of this buffer

  88.  * @param[in] height Height of this buffer

  89.  * @param[in] stride of this buffer

  90.  * @todo FIXME: Optimize

  91.  */

  92. static void decode_colskip(uint8_t* plane, int width, int height, int stride,

  93.                            GetBitContext *gb)

  94. {

  95.     int x, y;

  96. 

  97.     for (x = 0; x < width; x++) {

  98.         if (!get_bits1(gb)) //colskip

  99.             for (y = 0; y < height; y++)

  100.                 plane[y*stride] = 0;

  101.         else

  102.             for (y = 0; y < height; y++)

  103.                 plane[y*stride] = get_bits1(gb);

  104.         plane ++;

  105.     }

  106. }

  107. 

  108. /** Decode a bitplane's bits

  109.  * @param data bitplane where to store the decode bits

  110.  * @param[out] raw_flag pointer to the flag indicating that this bitplane is not coded explicitly

  111.  * @param v VC-1 context for bit reading and logging

  112.  * @return Status

  113.  * @todo FIXME: Optimize

  114.  */

  115. static int bitplane_decoding(uint8_t* data, int *raw_flag, VC1Context *v)

  116. {

  117.     GetBitContext *gb = &v->s.gb;

  118. 

  119.     int imode, x, y, code, offset;

  120.     uint8_t invert, *planep = data;

  121.     int width, height, stride;

  122. 

  123.     width  = v->s.mb_width;

  124.     height = v->s.mb_height >> v->field_mode;

  125.     stride = v->s.mb_stride;

  126.     invert = get_bits1(gb);

  127.     imode = get_vlc2(gb, ff_vc1_imode_vlc.table, VC1_IMODE_VLC_BITS, 1);

  128. 

  129.     *raw_flag = 0;

  130.     switch (imode) {

  131.     case IMODE_RAW:

  132.         //Data is actually read in the MB layer (same for all tests == "raw")

  133.         *raw_flag = 1; //invert ignored

  134.         return invert;

  135.     case IMODE_DIFF2:

  136.     case IMODE_NORM2:

  137.         if ((height * width) & 1) {

  138.             *planep++ = get_bits1(gb);

  139.             offset    = 1;

  140.         }

  141.         else

  142.             offset = 0;

  143.         // decode bitplane as one long line

  144.         for (y = offset; y < height * width; y += 2) {

  145.             code = get_vlc2(gb, ff_vc1_norm2_vlc.table, VC1_NORM2_VLC_BITS, 1);

  146.             *planep++ = code & 1;

  147.             offset++;

  148.             if (offset == width) {

  149.                 offset  = 0;

  150.                 planep += stride - width;

  151.             }

  152.             *planep++ = code >> 1;

  153.             offset++;

  154.             if (offset == width) {

  155.                 offset  = 0;

  156.                 planep += stride - width;

  157.             }

  158.         }

  159.         break;

  160.     case IMODE_DIFF6:

  161.     case IMODE_NORM6:

  162.         if (!(height % 3) && (width % 3)) { // use 2x3 decoding

  163.             for (y = 0; y < height; y += 3) {

  164.                 for (x = width & 1; x < width; x += 2) {

  165.                     code = get_vlc2(gb, ff_vc1_norm6_vlc.table, VC1_NORM6_VLC_BITS, 2);

  166.                     if (code < 0) {

  167.                         av_log(v->s.avctx, AV_LOG_DEBUG, "invalid NORM-6 VLC\n");

  168.                         return -1;

  169.                     }

  170.                     planep[x + 0]              = (code >> 0) & 1;

  171.                     planep[x + 1]              = (code >> 1) & 1;

  172.                     planep[x + 0 + stride]     = (code >> 2) & 1;

  173.                     planep[x + 1 + stride]     = (code >> 3) & 1;

  174.                     planep[x + 0 + stride * 2] = (code >> 4) & 1;

  175.                     planep[x + 1 + stride * 2] = (code >> 5) & 1;

  176.                 }

  177.                 planep += stride * 3;

  178.             }

  179.             if (width & 1)

  180.                 decode_colskip(data, 1, height, stride, &v->s.gb);

  181.         } else { // 3x2

  182.             planep += (height & 1) * stride;

  183.             for (y = height & 1; y < height; y += 2) {

  184.                 for (x = width % 3; x < width; x += 3) {

  185.                     code = get_vlc2(gb, ff_vc1_norm6_vlc.table, VC1_NORM6_VLC_BITS, 2);

  186.                     if (code < 0) {

  187.                         av_log(v->s.avctx, AV_LOG_DEBUG, "invalid NORM-6 VLC\n");

  188.                         return -1;

  189.                     }

  190.                     planep[x + 0]          = (code >> 0) & 1;

  191.                     planep[x + 1]          = (code >> 1) & 1;

  192.                     planep[x + 2]          = (code >> 2) & 1;

  193.                     planep[x + 0 + stride] = (code >> 3) & 1;

  194.                     planep[x + 1 + stride] = (code >> 4) & 1;

  195.                     planep[x + 2 + stride] = (code >> 5) & 1;

  196.                 }

  197.                 planep += stride * 2;

  198.             }

  199.             x = width % 3;

  200.             if (x)

  201.                 decode_colskip(data,             x, height, stride, &v->s.gb);

  202.             if (height & 1)

  203.                 decode_rowskip(data + x, width - x,      1, stride, &v->s.gb);

  204.         }

  205.         break;

  206.     case IMODE_ROWSKIP:

  207.         decode_rowskip(data, width, height, stride, &v->s.gb);

  208.         break;

  209.     case IMODE_COLSKIP:

  210.         decode_colskip(data, width, height, stride, &v->s.gb);

  211.         break;

  212.     default:

  213.         break;

  214.     }

  215. 

  216.     /* Applying diff operator */

  217.     if (imode == IMODE_DIFF2 || imode == IMODE_DIFF6) {

  218.         planep = data;

  219.         planep[0] ^= invert;

  220.         for (x = 1; x < width; x++)

  221.             planep[x] ^= planep[x-1];

  222.         for (y = 1; y < height; y++) {

  223.             planep += stride;

  224.             planep[0] ^= planep[-stride];

  225.             for (x = 1; x < width; x++) {

  226.                 if (planep[x-1] != planep[x-stride]) planep[x] ^= invert;

  227.                 else                                 planep[x] ^= planep[x-1];

  228.             }

  229.         }

  230.     } else if (invert) {

  231.         planep = data;

  232.         for (x = 0; x < stride * height; x++)

  233.             planep[x] = !planep[x]; //FIXME stride

  234.     }

  235.     return (imode << 1) + invert;

  236. }

  237. 

  238. /** @} */ //Bitplane group

  239. 

  240. /***********************************************************************/

  241. /** VOP Dquant decoding

  242.  * @param v VC-1 Context

  243.  */

  244. static int vop_dquant_decoding(VC1Context *v)

  245. {

  246.     GetBitContext *gb = &v->s.gb;

  247.     int pqdiff;

  248. 

  249.     //variable size

  250.     if (v->dquant == 2) {

  251.         pqdiff = get_bits(gb, 3);

  252.         if (pqdiff == 7)

  253.             v->altpq = get_bits(gb, 5);

  254.         else

  255.             v->altpq = v->pq + pqdiff + 1;

  256.     } else {

  257.         v->dquantfrm = get_bits1(gb);

  258.         if (v->dquantfrm) {

  259.             v->dqprofile = get_bits(gb, 2);

  260.             switch (v->dqprofile) {

  261.             case DQPROFILE_SINGLE_EDGE:

  262.             case DQPROFILE_DOUBLE_EDGES:

  263.                 v->dqsbedge = get_bits(gb, 2);

  264.                 break;

  265.             case DQPROFILE_ALL_MBS:

  266.                 v->dqbilevel = get_bits1(gb);

  267.                 if (!v->dqbilevel)

  268.                     v->halfpq = 0;

  269.             default:

  270.                 break; //Forbidden ?

  271.             }

  272.             if (v->dqbilevel || v->dqprofile != DQPROFILE_ALL_MBS) {

  273.                 pqdiff = get_bits(gb, 3);

  274.                 if (pqdiff == 7)

  275.                     v->altpq = get_bits(gb, 5);

  276.                 else

  277.                     v->altpq = v->pq + pqdiff + 1;

  278.             }

  279.         }

  280.     }

  281.     return 0;

  282. }

  283. 

  284. static int decode_sequence_header_adv(VC1Context *v, GetBitContext *gb);

  285. 

  286. /**

  287.  * Decode Simple/Main Profiles sequence header

  288.  * @see Figure 7-8, p16-17

  289.  * @param avctx Codec context

  290.  * @param gb GetBit context initialized from Codec context extra_data

  291.  * @return Status

  292.  */

  293. int ff_vc1_decode_sequence_header(AVCodecContext *avctx, VC1Context *v, GetBitContext *gb)

  294. {

  295.     av_log(avctx, AV_LOG_DEBUG, "Header: %0X\n", show_bits_long(gb, 32));

  296.     v->profile = get_bits(gb, 2);

  297.     if (v->profile == PROFILE_COMPLEX) {

  298.         av_log(avctx, AV_LOG_WARNING, "WMV3 Complex Profile is not fully supported\n");

  299.     }

  300. 

  301.     if (v->profile == PROFILE_ADVANCED) {

  302.         v->zz_8x4 = ff_vc1_adv_progressive_8x4_zz;

  303.         v->zz_4x8 = ff_vc1_adv_progressive_4x8_zz;

  304.         return decode_sequence_header_adv(v, gb);

  305.     } else {

  306.         v->zz_8x4 = ff_wmv2_scantableA;

  307.         v->zz_4x8 = ff_wmv2_scantableB;

  308.         v->res_y411   = get_bits1(gb);

  309.         v->res_sprite = get_bits1(gb);

  310.         if (v->res_y411) {

  311.             av_log(avctx, AV_LOG_ERROR,

  312.                    "Old interlaced mode is not supported\n");

  313.             return -1;

  314.         }

  315.     }

  316. 

  317.     // (fps-2)/4 (->30)

  318.     v->frmrtq_postproc = get_bits(gb, 3); //common

  319.     // (bitrate-32kbps)/64kbps

  320.     v->bitrtq_postproc = get_bits(gb, 5); //common

  321.     v->s.loop_filter   = get_bits1(gb); //common

  322.     if (v->s.loop_filter == 1 && v->profile == PROFILE_SIMPLE) {

  323.         av_log(avctx, AV_LOG_ERROR,

  324.                "LOOPFILTER shall not be enabled in Simple Profile\n");

  325.     }

  326.     if (v->s.avctx->skip_loop_filter >= AVDISCARD_ALL)

  327.         v->s.loop_filter = 0;

  328. 

  329.     v->res_x8          = get_bits1(gb); //reserved

  330.     v->multires        = get_bits1(gb);

  331.     v->res_fasttx      = get_bits1(gb);

  332.     if (!v->res_fasttx) {

  333.         v->vc1dsp.vc1_inv_trans_8x8    = ff_simple_idct_8;

  334.         v->vc1dsp.vc1_inv_trans_8x4    = ff_simple_idct84_add;

  335.         v->vc1dsp.vc1_inv_trans_4x8    = ff_simple_idct48_add;

  336.         v->vc1dsp.vc1_inv_trans_4x4    = ff_simple_idct44_add;

  337.         v->vc1dsp.vc1_inv_trans_8x8_dc = ff_simple_idct_add_8;

  338.         v->vc1dsp.vc1_inv_trans_8x4_dc = ff_simple_idct84_add;

  339.         v->vc1dsp.vc1_inv_trans_4x8_dc = ff_simple_idct48_add;

  340.         v->vc1dsp.vc1_inv_trans_4x4_dc = ff_simple_idct44_add;

  341.     }

  342. 

  343.     v->fastuvmc        = get_bits1(gb); //common

  344.     if (!v->profile && !v->fastuvmc) {

  345.         av_log(avctx, AV_LOG_ERROR,

  346.                "FASTUVMC unavailable in Simple Profile\n");

  347.         return -1;

  348.     }

  349.     v->extended_mv     = get_bits1(gb); //common

  350.     if (!v->profile && v->extended_mv)

  351.     {

  352.         av_log(avctx, AV_LOG_ERROR,

  353.                "Extended MVs unavailable in Simple Profile\n");

  354.         return -1;

  355.     }

  356.     v->dquant          = get_bits(gb, 2); //common

  357.     v->vstransform     = get_bits1(gb); //common

  358. 

  359.     v->res_transtab    = get_bits1(gb);

  360.     if (v->res_transtab)

  361.     {

  362.         av_log(avctx, AV_LOG_ERROR,

  363.                "1 for reserved RES_TRANSTAB is forbidden\n");

  364.         return -1;

  365.     }

  366. 

  367.     v->overlap         = get_bits1(gb); //common

  368. 

  369.     v->s.resync_marker = get_bits1(gb);

  370.     v->rangered        = get_bits1(gb);

  371.     if (v->rangered && v->profile == PROFILE_SIMPLE) {

  372.         av_log(avctx, AV_LOG_INFO,

  373.                "RANGERED should be set to 0 in Simple Profile\n");

  374.     }

  375. 

  376.     v->s.max_b_frames = avctx->max_b_frames = get_bits(gb, 3); //common

  377.     v->quantizer_mode = get_bits(gb, 2); //common

  378. 

  379.     v->finterpflag = get_bits1(gb); //common

  380. 

  381.     if (v->res_sprite) {

  382.         int w = get_bits(gb, 11);

  383.         int h = get_bits(gb, 11);

  384.         avcodec_set_dimensions(v->s.avctx, w, h);

  385.         skip_bits(gb, 5); //frame rate

  386.         v->res_x8 = get_bits1(gb);

  387.         if (get_bits1(gb)) { // something to do with DC VLC selection

  388.             av_log(avctx, AV_LOG_ERROR, "Unsupported sprite feature\n");

  389.             return -1;

  390.         }

  391.         skip_bits(gb, 3); //slice code

  392.         v->res_rtm_flag = 0;

  393.     } else {

  394.         v->res_rtm_flag = get_bits1(gb); //reserved

  395.     }

  396.     if (!v->res_rtm_flag) {

  397.         av_log(avctx, AV_LOG_ERROR,

  398.                "Old WMV3 version detected, some frames may be decoded incorrectly\n");

  399.         //return -1;

  400.     }

  401.     //TODO: figure out what they mean (always 0x402F)

  402.     if (!v->res_fasttx)

  403.         skip_bits(gb, 16);

  404.     av_log(avctx, AV_LOG_DEBUG,

  405.            "Profile %i:\nfrmrtq_postproc=%i, bitrtq_postproc=%i\n"

  406.            "LoopFilter=%i, MultiRes=%i, FastUVMC=%i, Extended MV=%i\n"

  407.            "Rangered=%i, VSTransform=%i, Overlap=%i, SyncMarker=%i\n"

  408.            "DQuant=%i, Quantizer mode=%i, Max B frames=%i\n",

  409.            v->profile, v->frmrtq_postproc, v->bitrtq_postproc,

  410.            v->s.loop_filter, v->multires, v->fastuvmc, v->extended_mv,

  411.            v->rangered, v->vstransform, v->overlap, v->s.resync_marker,

  412.            v->dquant, v->quantizer_mode, avctx->max_b_frames);

  413.     return 0;

  414. }

  415. 

  416. static int decode_sequence_header_adv(VC1Context *v, GetBitContext *gb)

  417. {

  418.     v->res_rtm_flag = 1;

  419.     v->level = get_bits(gb, 3);

  420.     if (v->level >= 5) {

  421.         av_log(v->s.avctx, AV_LOG_ERROR, "Reserved LEVEL %i\n",v->level);

  422.     }

  423.     v->chromaformat = get_bits(gb, 2);

  424.     if (v->chromaformat != 1) {

  425.         av_log(v->s.avctx, AV_LOG_ERROR,

  426.                "Only 4:2:0 chroma format supported\n");

  427.         return -1;

  428.     }

  429. 

  430.     // (fps-2)/4 (->30)

  431.     v->frmrtq_postproc       = get_bits(gb, 3); //common

  432.     // (bitrate-32kbps)/64kbps

  433.     v->bitrtq_postproc       = get_bits(gb, 5); //common

  434.     v->postprocflag          = get_bits1(gb);   //common

  435. 

  436.     v->max_coded_width       = (get_bits(gb, 12) + 1) << 1;

  437.     v->max_coded_height      = (get_bits(gb, 12) + 1) << 1;

  438.     v->broadcast             = get_bits1(gb);

  439.     v->interlace             = get_bits1(gb);

  440.     v->tfcntrflag            = get_bits1(gb);

  441.     v->finterpflag           = get_bits1(gb);

  442.     skip_bits1(gb); // reserved

  443. 

  444.     av_log(v->s.avctx, AV_LOG_DEBUG,

  445.            "Advanced Profile level %i:\nfrmrtq_postproc=%i, bitrtq_postproc=%i\n"

  446.            "LoopFilter=%i, ChromaFormat=%i, Pulldown=%i, Interlace: %i\n"

  447.            "TFCTRflag=%i, FINTERPflag=%i\n",

  448.            v->level, v->frmrtq_postproc, v->bitrtq_postproc,

  449.            v->s.loop_filter, v->chromaformat, v->broadcast, v->interlace,

  450.            v->tfcntrflag, v->finterpflag);

  451. 

  452.     v->psf = get_bits1(gb);

  453.     if (v->psf) { //PsF, 6.1.13

  454.         av_log(v->s.avctx, AV_LOG_ERROR, "Progressive Segmented Frame mode: not supported (yet)\n");

  455.         return -1;

  456.     }

  457.     v->s.max_b_frames = v->s.avctx->max_b_frames = 7;

  458.     if (get_bits1(gb)) { //Display Info - decoding is not affected by it

  459.         int w, h, ar = 0;

  460.         av_log(v->s.avctx, AV_LOG_DEBUG, "Display extended info:\n");

  461.         w = get_bits(gb, 14) + 1;

  462.         h = get_bits(gb, 14) + 1;

  463.         av_log(v->s.avctx, AV_LOG_DEBUG, "Display dimensions: %ix%i\n", w, h);

  464.         if (get_bits1(gb))

  465.             ar = get_bits(gb, 4);

  466.         if (ar && ar < 14) {

  467.             v->s.avctx->sample_aspect_ratio = ff_vc1_pixel_aspect[ar];

  468.         } else if (ar == 15) {

  469.             w = get_bits(gb, 8) + 1;

  470.             h = get_bits(gb, 8) + 1;

  471.             v->s.avctx->sample_aspect_ratio = (AVRational){w, h};

  472.         } else {

  473.             av_reduce(&v->s.avctx->sample_aspect_ratio.num,

  474.                       &v->s.avctx->sample_aspect_ratio.den,

  475.                       v->s.avctx->height * w,

  476.                       v->s.avctx->width * h,

  477.                       1 << 30);

  478.         }

  479.         av_log(v->s.avctx, AV_LOG_DEBUG, "Aspect: %i:%i\n",

  480.                v->s.avctx->sample_aspect_ratio.num,

  481.                v->s.avctx->sample_aspect_ratio.den);

  482. 

  483.         if (get_bits1(gb)) { //framerate stuff

  484.             if (get_bits1(gb)) {

  485.                 v->s.avctx->time_base.num = 32;

  486.                 v->s.avctx->time_base.den = get_bits(gb, 16) + 1;

  487.             } else {

  488.                 int nr, dr;

  489.                 nr = get_bits(gb, 8);

  490.                 dr = get_bits(gb, 4);

  491.                 if (nr > 0 && nr < 8 && dr > 0 && dr < 3) {

  492.                     v->s.avctx->time_base.num = ff_vc1_fps_dr[dr - 1];

  493.                     v->s.avctx->time_base.den = ff_vc1_fps_nr[nr - 1] * 1000;

  494.                 }

  495.             }

  496.             if (v->broadcast) { // Pulldown may be present

  497.                 v->s.avctx->time_base.den  *= 2;

  498.                 v->s.avctx->ticks_per_frame = 2;

  499.             }

  500.         }

  501. 

  502.         if (get_bits1(gb)) {

  503.             v->s.avctx->color_primaries = get_bits(gb, 8);

  504.             v->s.avctx->color_trc       = get_bits(gb, 8);

  505.             v->s.avctx->colorspace      = get_bits(gb, 8);

  506.             v->s.avctx->color_range     = AVCOL_RANGE_MPEG;

  507.         }

  508.     }

  509. 

  510.     v->hrd_param_flag = get_bits1(gb);

  511.     if (v->hrd_param_flag) {

  512.         int i;

  513.         v->hrd_num_leaky_buckets = get_bits(gb, 5);

  514.         skip_bits(gb, 4); //bitrate exponent

  515.         skip_bits(gb, 4); //buffer size exponent

  516.         for (i = 0; i < v->hrd_num_leaky_buckets; i++) {

  517.             skip_bits(gb, 16); //hrd_rate[n]

  518.             skip_bits(gb, 16); //hrd_buffer[n]

  519.         }

  520.     }

  521.     return 0;

  522. }

  523. 

  524. int ff_vc1_decode_entry_point(AVCodecContext *avctx, VC1Context *v, GetBitContext *gb)

  525. {

  526.     int i;

  527.     int w,h;

  528. 

  529.     av_log(avctx, AV_LOG_DEBUG, "Entry point: %08X\n", show_bits_long(gb, 32));

  530.     v->broken_link    = get_bits1(gb);

  531.     v->closed_entry   = get_bits1(gb);

  532.     v->panscanflag    = get_bits1(gb);

  533.     v->refdist_flag   = get_bits1(gb);

  534.     v->s.loop_filter  = get_bits1(gb);

  535.     if (v->s.avctx->skip_loop_filter >= AVDISCARD_ALL)

  536.         v->s.loop_filter = 0;

  537.     v->fastuvmc       = get_bits1(gb);

  538.     v->extended_mv    = get_bits1(gb);

  539.     v->dquant         = get_bits(gb, 2);

  540.     v->vstransform    = get_bits1(gb);

  541.     v->overlap        = get_bits1(gb);

  542.     v->quantizer_mode = get_bits(gb, 2);

  543. 

  544.     if (v->hrd_param_flag) {

  545.         for (i = 0; i < v->hrd_num_leaky_buckets; i++) {

  546.             skip_bits(gb, 8); //hrd_full[n]

  547.         }

  548.     }

  549. 

  550.     if(get_bits1(gb)){

  551.         w = (get_bits(gb, 12)+1)<<1;

  552.         h = (get_bits(gb, 12)+1)<<1;

  553.     } else {

  554.         w = v->max_coded_width;

  555.         h = v->max_coded_height;

  556.     }

  557.     avcodec_set_dimensions(avctx, w, h);

  558.     if (v->extended_mv)

  559.         v->extended_dmv = get_bits1(gb);

  560.     if ((v->range_mapy_flag = get_bits1(gb))) {

  561.         av_log(avctx, AV_LOG_ERROR, "Luma scaling is not supported, expect wrong picture\n");

  562.         v->range_mapy = get_bits(gb, 3);

  563.     }

  564.     if ((v->range_mapuv_flag = get_bits1(gb))) {

  565.         av_log(avctx, AV_LOG_ERROR, "Chroma scaling is not supported, expect wrong picture\n");

  566.         v->range_mapuv = get_bits(gb, 3);

  567.     }

  568. 

  569.     av_log(avctx, AV_LOG_DEBUG, "Entry point info:\n"

  570.            "BrokenLink=%i, ClosedEntry=%i, PanscanFlag=%i\n"

  571.            "RefDist=%i, Postproc=%i, FastUVMC=%i, ExtMV=%i\n"

  572.            "DQuant=%i, VSTransform=%i, Overlap=%i, Qmode=%i\n",

  573.            v->broken_link, v->closed_entry, v->panscanflag, v->refdist_flag, v->s.loop_filter,

  574.            v->fastuvmc, v->extended_mv, v->dquant, v->vstransform, v->overlap, v->quantizer_mode);

  575. 

  576.     return 0;

  577. }

  578. 

  579. /* fill lookup tables for intensity compensation */

  580. #define INIT_LUT(lumscale, lumshift, luty, lutuv, chain)   do {\

  581.     int scale, shift, i;                            \

  582.     if (!lumscale) {                                \

  583.         scale = -64;                                \

  584.         shift = (255 - lumshift * 2) << 6;          \

  585.         if (lumshift > 31)                          \

  586.             shift += 128 << 6;                      \

  587.     } else {                                        \

  588.         scale = lumscale + 32;                      \

  589.         if (lumshift > 31)                          \

  590.             shift = (lumshift - 64) << 6;           \

  591.         else                                        \

  592.             shift = lumshift << 6;                  \

  593.     }                                               \

  594.     for (i = 0; i < 256; i++) {                     \

  595.         int iy = chain ? luty[i] : i;               \

  596.         int iu = chain ? lutuv[i] : i;              \

  597.         luty[i]  = av_clip_uint8((scale * iy + shift + 32) >> 6);           \

  598.         lutuv[i] = av_clip_uint8((scale * (iu - 128) + 128*64 + 32) >> 6);  \

  599.     } \

  600.     }while(0)

  601. 

  602. 

  603. static void rotate_luts(VC1Context *v)

  604. {

  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) {\

  607.             C = A;\

  608.         } else {\

  609.             DEF;\

  610.             memcpy(&tmp, &L  , sizeof(tmp));\

  611.             memcpy(&L  , &N  , sizeof(tmp));\

  612.             memcpy(&N  , &tmp, sizeof(tmp));\

  613.             C = N;\

  614.         }\

  615.     }while(0)

  616. 

  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);

  620. 

  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);

  623.     v->curr_use_ic = 0;

  624. }

  625. 

  626. int ff_vc1_parse_frame_header(VC1Context *v, GetBitContext* gb)

  627. {

  628.     int pqindex, lowquant, status;

  629. 

  630.     if (v->finterpflag)

  631.         v->interpfrm = get_bits1(gb);

  632.     if (!v->s.avctx->codec)

  633.         return -1;

  634.     if (v->s.avctx->codec_id == AV_CODEC_ID_MSS2)

  635.         v->respic   =

  636.         v->rangered =

  637.         v->multires = get_bits(gb, 2) == 1;

  638.     else

  639.         skip_bits(gb, 2); //framecnt unused

  640.     v->rangeredfrm = 0;

  641.     if (v->rangered)

  642.         v->rangeredfrm = get_bits1(gb);

  643.     v->s.pict_type = get_bits1(gb);

  644.     if (v->s.avctx->max_b_frames) {

  645.         if (!v->s.pict_type) {

  646.             if (get_bits1(gb))

  647.                 v->s.pict_type = AV_PICTURE_TYPE_I;

  648.             else

  649.                 v->s.pict_type = AV_PICTURE_TYPE_B;

  650.         } else

  651.             v->s.pict_type = AV_PICTURE_TYPE_P;

  652.     } else

  653.         v->s.pict_type = v->s.pict_type ? AV_PICTURE_TYPE_P : AV_PICTURE_TYPE_I;

  654. 

  655.     v->bi_type = 0;

  656.     if (v->s.pict_type == AV_PICTURE_TYPE_B) {

  657.         v->bfraction_lut_index = get_vlc2(gb, ff_vc1_bfraction_vlc.table, VC1_BFRACTION_VLC_BITS, 1);

  658.         v->bfraction           = ff_vc1_bfraction_lut[v->bfraction_lut_index];

  659.         if (v->bfraction == 0) {

  660.             v->s.pict_type = AV_PICTURE_TYPE_BI;

  661.         }

  662.     }

  663.     if (v->s.pict_type == AV_PICTURE_TYPE_I || v->s.pict_type == AV_PICTURE_TYPE_BI)

  664.         skip_bits(gb, 7); // skip buffer fullness

  665. 

  666.     if (v->parse_only)

  667.         return 0;

  668. 

  669.     /* calculate RND */

  670.     if (v->s.pict_type == AV_PICTURE_TYPE_I || v->s.pict_type == AV_PICTURE_TYPE_BI)

  671.         v->rnd = 1;

  672.     if (v->s.pict_type == AV_PICTURE_TYPE_P)

  673.         v->rnd ^= 1;

  674. 

  675.     /* Quantizer stuff */

  676.     pqindex = get_bits(gb, 5);

  677.     if (!pqindex)

  678.         return -1;

  679.     if (v->quantizer_mode == QUANT_FRAME_IMPLICIT)

  680.         v->pq = ff_vc1_pquant_table[0][pqindex];

  681.     else

  682.         v->pq = ff_vc1_pquant_table[1][pqindex];

  683. 

  684.     v->pquantizer = 1;

  685.     if (v->quantizer_mode == QUANT_FRAME_IMPLICIT)

  686.         v->pquantizer = pqindex < 9;

  687.     if (v->quantizer_mode == QUANT_NON_UNIFORM)

  688.         v->pquantizer = 0;

  689.     v->pqindex = pqindex;

  690.     if (pqindex < 9)

  691.         v->halfpq = get_bits1(gb);

  692.     else

  693.         v->halfpq = 0;

  694.     if (v->quantizer_mode == QUANT_FRAME_EXPLICIT)

  695.         v->pquantizer = get_bits1(gb);

  696.     v->dquantfrm = 0;

  697.     if (v->extended_mv == 1)

  698.         v->mvrange = get_unary(gb, 0, 3);

  699.     v->k_x = v->mvrange + 9 + (v->mvrange >> 1); //k_x can be 9 10 12 13

  700.     v->k_y = v->mvrange + 8; //k_y can be 8 9 10 11

  701.     v->range_x = 1 << (v->k_x - 1);

  702.     v->range_y = 1 << (v->k_y - 1);

  703.     if (v->multires && v->s.pict_type != AV_PICTURE_TYPE_B)

  704.         v->respic = get_bits(gb, 2);

  705. 

  706.     if (v->res_x8 && (v->s.pict_type == AV_PICTURE_TYPE_I || v->s.pict_type == AV_PICTURE_TYPE_BI)) {

  707.         v->x8_type = get_bits1(gb);

  708.     } else

  709.         v->x8_type = 0;

  710.     av_dlog(v->s.avctx, "%c Frame: QP=[%i]%i (+%i/2) %i\n",

  711.             (v->s.pict_type == AV_PICTURE_TYPE_P) ? 'P' : ((v->s.pict_type == AV_PICTURE_TYPE_I) ? 'I' : 'B'),

  712.             pqindex, v->pq, v->halfpq, v->rangeredfrm);

  713. 

  714.     if(v->first_pic_header_flag) {

  715.         rotate_luts(v);

  716.     }

  717. 

  718.     switch (v->s.pict_type) {

  719.     case AV_PICTURE_TYPE_P:

  720.         if (v->pq < 5)       v->tt_index = 0;

  721.         else if (v->pq < 13) v->tt_index = 1;

  722.         else                 v->tt_index = 2;

  723. 

  724.         lowquant = (v->pq > 12) ? 0 : 1;

  725.         v->mv_mode = ff_vc1_mv_pmode_table[lowquant][get_unary(gb, 1, 4)];

  726.         if (v->mv_mode == MV_PMODE_INTENSITY_COMP) {

  727.             v->mv_mode2 = ff_vc1_mv_pmode_table2[lowquant][get_unary(gb, 1, 3)];

  728.             v->lumscale = get_bits(gb, 6);

  729.             v->lumshift = get_bits(gb, 6);

  730.             v->last_use_ic   = 1;

  731.             /* fill lookup tables for intensity compensation */

  732.             INIT_LUT(v->lumscale, v->lumshift , v->last_luty[0] , v->last_lutuv[0] , 1);

  733.             INIT_LUT(v->lumscale, v->lumshift , v->last_luty[1] , v->last_lutuv[1] , 1);

  734.         }

  735.         v->qs_last = v->s.quarter_sample;

  736.         if (v->mv_mode == MV_PMODE_1MV_HPEL || v->mv_mode == MV_PMODE_1MV_HPEL_BILIN)

  737.             v->s.quarter_sample = 0;

  738.         else if (v->mv_mode == MV_PMODE_INTENSITY_COMP) {

  739.             if (v->mv_mode2 == MV_PMODE_1MV_HPEL || v->mv_mode2 == MV_PMODE_1MV_HPEL_BILIN)

  740.                 v->s.quarter_sample = 0;

  741.             else

  742.                 v->s.quarter_sample = 1;

  743.         } else

  744.             v->s.quarter_sample = 1;

  745.         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));

  746. 

  747.         if ((v->mv_mode  == MV_PMODE_INTENSITY_COMP &&

  748.              v->mv_mode2 == MV_PMODE_MIXED_MV)      ||

  749.             v->mv_mode   == MV_PMODE_MIXED_MV) {

  750.             status = bitplane_decoding(v->mv_type_mb_plane, &v->mv_type_is_raw, v);

  751.             if (status < 0)

  752.                 return -1;

  753.             av_log(v->s.avctx, AV_LOG_DEBUG, "MB MV Type plane encoding: "

  754.                    "Imode: %i, Invert: %i\n", status>>1, status&1);

  755.         } else {

  756.             v->mv_type_is_raw = 0;

  757.             memset(v->mv_type_mb_plane, 0, v->s.mb_stride * v->s.mb_height);

  758.         }

  759.         status = bitplane_decoding(v->s.mbskip_table, &v->skip_is_raw, v);

  760.         if (status < 0)

  761.             return -1;

  762.         av_log(v->s.avctx, AV_LOG_DEBUG, "MB Skip plane encoding: "

  763.                "Imode: %i, Invert: %i\n", status>>1, status&1);

  764. 

  765.         /* Hopefully this is correct for P frames */

  766.         v->s.mv_table_index = get_bits(gb, 2); //but using ff_vc1_ tables

  767.         v->cbpcy_vlc = &ff_vc1_cbpcy_p_vlc[get_bits(gb, 2)];

  768. 

  769.         if (v->dquant) {

  770.             av_log(v->s.avctx, AV_LOG_DEBUG, "VOP DQuant info\n");

  771.             vop_dquant_decoding(v);

  772.         }

  773. 

  774.         v->ttfrm = 0; //FIXME Is that so ?

  775.         if (v->vstransform) {

  776.             v->ttmbf = get_bits1(gb);

  777.             if (v->ttmbf) {

  778.                 v->ttfrm = ff_vc1_ttfrm_to_tt[get_bits(gb, 2)];

  779.             }

  780.         } else {

  781.             v->ttmbf = 1;

  782.             v->ttfrm = TT_8X8;

  783.         }

  784.         break;

  785.     case AV_PICTURE_TYPE_B:

  786.         if (v->pq < 5)       v->tt_index = 0;

  787.         else if (v->pq < 13) v->tt_index = 1;

  788.         else                 v->tt_index = 2;

  789. 

  790.         v->mv_mode          = get_bits1(gb) ? MV_PMODE_1MV : MV_PMODE_1MV_HPEL_BILIN;

  791.         v->qs_last          = v->s.quarter_sample;

  792.         v->s.quarter_sample = (v->mv_mode == MV_PMODE_1MV);

  793.         v->s.mspel          = v->s.quarter_sample;

  794. 

  795.         status = bitplane_decoding(v->direct_mb_plane, &v->dmb_is_raw, v);

  796.         if (status < 0)

  797.             return -1;

  798.         av_log(v->s.avctx, AV_LOG_DEBUG, "MB Direct Type plane encoding: "

  799.                "Imode: %i, Invert: %i\n", status>>1, status&1);

  800.         status = bitplane_decoding(v->s.mbskip_table, &v->skip_is_raw, v);

  801.         if (status < 0)

  802.             return -1;

  803.         av_log(v->s.avctx, AV_LOG_DEBUG, "MB Skip plane encoding: "

  804.                "Imode: %i, Invert: %i\n", status>>1, status&1);

  805. 

  806.         v->s.mv_table_index = get_bits(gb, 2);

  807.         v->cbpcy_vlc        = &ff_vc1_cbpcy_p_vlc[get_bits(gb, 2)];

  808. 

  809.         if (v->dquant) {

  810.             av_log(v->s.avctx, AV_LOG_DEBUG, "VOP DQuant info\n");

  811.             vop_dquant_decoding(v);

  812.         }

  813. 

  814.         v->ttfrm = 0;

  815.         if (v->vstransform) {

  816.             v->ttmbf = get_bits1(gb);

  817.             if (v->ttmbf) {

  818.                 v->ttfrm = ff_vc1_ttfrm_to_tt[get_bits(gb, 2)];

  819.             }

  820.         } else {

  821.             v->ttmbf = 1;

  822.             v->ttfrm = TT_8X8;

  823.         }

  824.         break;

  825.     }

  826. 

  827.     if (!v->x8_type) {

  828.         /* AC Syntax */

  829.         v->c_ac_table_index = decode012(gb);

  830.         if (v->s.pict_type == AV_PICTURE_TYPE_I || v->s.pict_type == AV_PICTURE_TYPE_BI) {

  831.             v->y_ac_table_index = decode012(gb);

  832.         }

  833.         /* DC Syntax */

  834.         v->s.dc_table_index = get_bits1(gb);

  835.     }

  836. 

  837.     if (v->s.pict_type == AV_PICTURE_TYPE_BI) {

  838.         v->s.pict_type = AV_PICTURE_TYPE_B;

  839.         v->bi_type     = 1;

  840.     }

  841.     return 0;

  842. }

  843. 

  844. int ff_vc1_parse_frame_header_adv(VC1Context *v, GetBitContext* gb)

  845. {

  846.     int pqindex, lowquant;

  847.     int status;

  848.     int mbmodetab, imvtab, icbptab, twomvbptab, fourmvbptab; /* useful only for debugging */

  849.     int field_mode, fcm;

  850. 

  851.     v->numref=0;

  852.     v->p_frame_skipped = 0;

  853.     if (v->second_field) {

  854.         if(v->fcm!=2 || v->field_mode!=1)

  855.             return -1;

  856.         v->s.pict_type = (v->fptype & 1) ? AV_PICTURE_TYPE_P : AV_PICTURE_TYPE_I;

  857.         if (v->fptype & 4)

  858.             v->s.pict_type = (v->fptype & 1) ? AV_PICTURE_TYPE_BI : AV_PICTURE_TYPE_B;

  859.         v->s.current_picture_ptr->f.pict_type = v->s.pict_type;

  860.         if (!v->pic_header_flag)

  861.             goto parse_common_info;

  862.     }

  863. 

  864.     field_mode = 0;

  865.     if (v->interlace) {

  866.         fcm = decode012(gb);

  867.         if (fcm) {

  868.             if (fcm == ILACE_FIELD)

  869.                 field_mode = 1;

  870.         }

  871.     } else {

  872.         fcm = PROGRESSIVE;

  873.     }

  874.     if (!v->first_pic_header_flag && v->field_mode != field_mode)

  875.         return -1;

  876.     v->field_mode = field_mode;

  877.     v->fcm = fcm;

  878. 

  879.     if (v->field_mode) {

  880.         v->fptype = get_bits(gb, 3);

  881.         v->s.pict_type = (v->fptype & 2) ? AV_PICTURE_TYPE_P : AV_PICTURE_TYPE_I;

  882.         if (v->fptype & 4) // B-picture

  883.             v->s.pict_type = (v->fptype & 2) ? AV_PICTURE_TYPE_BI : AV_PICTURE_TYPE_B;

  884.     } else {

  885.         switch (get_unary(gb, 0, 4)) {

  886.         case 0:

  887.             v->s.pict_type = AV_PICTURE_TYPE_P;

  888.             break;

  889.         case 1:

  890.             v->s.pict_type = AV_PICTURE_TYPE_B;

  891.             break;

  892.         case 2:

  893.             v->s.pict_type = AV_PICTURE_TYPE_I;

  894.             break;

  895.         case 3:

  896.             v->s.pict_type = AV_PICTURE_TYPE_BI;

  897.             break;

  898.         case 4:

  899.             v->s.pict_type = AV_PICTURE_TYPE_P; // skipped pic

  900.             v->p_frame_skipped = 1;

  901.             break;

  902.         }

  903.     }

  904.     if (v->tfcntrflag)

  905.         skip_bits(gb, 8);

  906.     if (v->broadcast) {

  907.         if (!v->interlace || v->psf) {

  908.             v->rptfrm = get_bits(gb, 2);

  909.         } else {

  910.             v->tff = get_bits1(gb);

  911.             v->rff = get_bits1(gb);

  912.         }

  913.     } else {

  914.         v->tff = 1;

  915.     }

  916.     if (v->panscanflag) {

  917.         avpriv_report_missing_feature(v->s.avctx, "Pan-scan");

  918.         //...

  919.     }

  920.     if (v->p_frame_skipped) {

  921.         return 0;

  922.     }

  923.     v->rnd = get_bits1(gb);

  924.     if (v->interlace)

  925.         v->uvsamp = get_bits1(gb);

  926.     if(!ff_vc1_bfraction_vlc.table)

  927.         return 0; //parsing only, vlc tables havnt been allocated

  928.     if (v->field_mode) {

  929.         if (!v->refdist_flag)

  930.             v->refdist = 0;

  931.         else if ((v->s.pict_type != AV_PICTURE_TYPE_B) && (v->s.pict_type != AV_PICTURE_TYPE_BI)) {

  932.             v->refdist = get_bits(gb, 2);

  933.             if (v->refdist == 3)

  934.                 v->refdist += get_unary(gb, 0, 16);

  935.         }

  936.         if ((v->s.pict_type == AV_PICTURE_TYPE_B) || (v->s.pict_type == AV_PICTURE_TYPE_BI)) {

  937.             v->bfraction_lut_index = get_vlc2(gb, ff_vc1_bfraction_vlc.table, VC1_BFRACTION_VLC_BITS, 1);

  938.             v->bfraction           = ff_vc1_bfraction_lut[v->bfraction_lut_index];

  939.             v->frfd = (v->bfraction * v->refdist) >> 8;

  940.             v->brfd = v->refdist - v->frfd - 1;

  941.             if (v->brfd < 0)

  942.                 v->brfd = 0;

  943.         }

  944.         goto parse_common_info;

  945.     }

  946.     if (v->fcm == PROGRESSIVE) {

  947.         if (v->finterpflag)

  948.             v->interpfrm = get_bits1(gb);

  949.         if (v->s.pict_type == AV_PICTURE_TYPE_B) {

  950.             v->bfraction_lut_index = get_vlc2(gb, ff_vc1_bfraction_vlc.table, VC1_BFRACTION_VLC_BITS, 1);

  951.             v->bfraction           = ff_vc1_bfraction_lut[v->bfraction_lut_index];

  952.             if (v->bfraction == 0) {

  953.                 v->s.pict_type = AV_PICTURE_TYPE_BI; /* XXX: should not happen here */

  954.             }

  955.         }

  956.     }

  957. 

  958.     parse_common_info:

  959.     if (v->field_mode)

  960.         v->cur_field_type = !(v->tff ^ v->second_field);

  961.     pqindex = get_bits(gb, 5);

  962.     if (!pqindex)

  963.         return -1;

  964.     v->pqindex = pqindex;

  965.     if (v->quantizer_mode == QUANT_FRAME_IMPLICIT)

  966.         v->pq = ff_vc1_pquant_table[0][pqindex];

  967.     else

  968.         v->pq = ff_vc1_pquant_table[1][pqindex];

  969. 

  970.     v->pquantizer = 1;

  971.     if (v->quantizer_mode == QUANT_FRAME_IMPLICIT)

  972.         v->pquantizer = pqindex < 9;

  973.     if (v->quantizer_mode == QUANT_NON_UNIFORM)

  974.         v->pquantizer = 0;

  975.     v->pqindex = pqindex;

  976.     if (pqindex < 9)

  977.         v->halfpq = get_bits1(gb);

  978.     else

  979.         v->halfpq = 0;

  980.     if (v->quantizer_mode == QUANT_FRAME_EXPLICIT)

  981.         v->pquantizer = get_bits1(gb);

  982.     if (v->postprocflag)

  983.         v->postproc = get_bits(gb, 2);

  984. 

  985.     if (v->parse_only)

  986.         return 0;

  987. 

  988.     if(v->first_pic_header_flag) {

  989.         rotate_luts(v);

  990.     }

  991. 

  992.     switch (v->s.pict_type) {

  993.     case AV_PICTURE_TYPE_I:

  994.     case AV_PICTURE_TYPE_BI:

  995.         if (v->fcm == ILACE_FRAME) { //interlace frame picture

  996.             status = bitplane_decoding(v->fieldtx_plane, &v->fieldtx_is_raw, v);

  997.             if (status < 0)

  998.                 return -1;

  999.             av_log(v->s.avctx, AV_LOG_DEBUG, "FIELDTX plane encoding: "

  1000.                    "Imode: %i, Invert: %i\n", status>>1, status&1);

  1001.         }

  1002.         status = bitplane_decoding(v->acpred_plane, &v->acpred_is_raw, v);

  1003.         if (status < 0)

  1004.             return -1;

  1005.         av_log(v->s.avctx, AV_LOG_DEBUG, "ACPRED plane encoding: "

  1006.                "Imode: %i, Invert: %i\n", status>>1, status&1);

  1007.         v->condover = CONDOVER_NONE;

  1008.         if (v->overlap && v->pq <= 8) {

  1009.             v->condover = decode012(gb);

  1010.             if (v->condover == CONDOVER_SELECT) {

  1011.                 status = bitplane_decoding(v->over_flags_plane, &v->overflg_is_raw, v);

  1012.                 if (status < 0)

  1013.                     return -1;

  1014.                 av_log(v->s.avctx, AV_LOG_DEBUG, "CONDOVER plane encoding: "

  1015.                        "Imode: %i, Invert: %i\n", status>>1, status&1);

  1016.             }

  1017.         }

  1018.         break;

  1019.     case AV_PICTURE_TYPE_P:

  1020.         if (v->field_mode) {

  1021.             v->numref = get_bits1(gb);

  1022.             if (!v->numref) {

  1023.                 v->reffield          = get_bits1(gb);

  1024.                 v->ref_field_type[0] = v->reffield ^ !v->cur_field_type;

  1025.             }

  1026.         }

  1027.         if (v->extended_mv)

  1028.             v->mvrange = get_unary(gb, 0, 3);

  1029.         else

  1030.             v->mvrange = 0;

  1031.         if (v->interlace) {

  1032.             if (v->extended_dmv)

  1033.                 v->dmvrange = get_unary(gb, 0, 3);

  1034.             else

  1035.                 v->dmvrange = 0;

  1036.             if (v->fcm == ILACE_FRAME) { // interlaced frame picture

  1037.                 v->fourmvswitch = get_bits1(gb);

  1038.                 v->intcomp      = get_bits1(gb);

  1039.                 if (v->intcomp) {

  1040.                     v->lumscale = get_bits(gb, 6);

  1041.                     v->lumshift = get_bits(gb, 6);

  1042.                     INIT_LUT(v->lumscale, v->lumshift, v->last_luty[0], v->last_lutuv[0], 1);

  1043.                     INIT_LUT(v->lumscale, v->lumshift, v->last_luty[1], v->last_lutuv[1], 1);

  1044.                     v->last_use_ic = 1;

  1045.                 }

  1046.                 status = bitplane_decoding(v->s.mbskip_table, &v->skip_is_raw, v);

  1047.                 av_log(v->s.avctx, AV_LOG_DEBUG, "SKIPMB plane encoding: "

  1048.                        "Imode: %i, Invert: %i\n", status>>1, status&1);

  1049.                 mbmodetab = get_bits(gb, 2);

  1050.                 if (v->fourmvswitch)

  1051.                     v->mbmode_vlc = &ff_vc1_intfr_4mv_mbmode_vlc[mbmodetab];

  1052.                 else

  1053.                     v->mbmode_vlc = &ff_vc1_intfr_non4mv_mbmode_vlc[mbmodetab];

  1054.                 imvtab         = get_bits(gb, 2);

  1055.                 v->imv_vlc     = &ff_vc1_1ref_mvdata_vlc[imvtab];

  1056.                 // interlaced p-picture cbpcy range is [1, 63]

  1057.                 icbptab        = get_bits(gb, 3);

  1058.                 v->cbpcy_vlc   = &ff_vc1_icbpcy_vlc[icbptab];

  1059.                 twomvbptab     = get_bits(gb, 2);

  1060.                 v->twomvbp_vlc = &ff_vc1_2mv_block_pattern_vlc[twomvbptab];

  1061.                 if (v->fourmvswitch) {

  1062.                     fourmvbptab     = get_bits(gb, 2);

  1063.                     v->fourmvbp_vlc = &ff_vc1_4mv_block_pattern_vlc[fourmvbptab];

  1064.                 }

  1065.             }

  1066.         }

  1067.         v->k_x = v->mvrange + 9 + (v->mvrange >> 1); //k_x can be 9 10 12 13

  1068.         v->k_y = v->mvrange + 8; //k_y can be 8 9 10 11

  1069.         v->range_x = 1 << (v->k_x - 1);

  1070.         v->range_y = 1 << (v->k_y - 1);

  1071. 

  1072.         if (v->pq < 5)

  1073.             v->tt_index = 0;

  1074.         else if (v->pq < 13)

  1075.             v->tt_index = 1;

  1076.         else

  1077.             v->tt_index = 2;

  1078.         if (v->fcm != ILACE_FRAME) {

  1079.             int mvmode;

  1080.             mvmode     = get_unary(gb, 1, 4);

  1081.             lowquant   = (v->pq > 12) ? 0 : 1;

  1082.             v->mv_mode = ff_vc1_mv_pmode_table[lowquant][mvmode];

  1083.             if (v->mv_mode == MV_PMODE_INTENSITY_COMP) {

  1084.                 int mvmode2;

  1085.                 mvmode2 = get_unary(gb, 1, 3);

  1086.                 v->mv_mode2 = ff_vc1_mv_pmode_table2[lowquant][mvmode2];

  1087.                 if (v->field_mode) {

  1088.                     v->intcompfield = decode210(gb)^3;

  1089.                 } else

  1090.                     v->intcompfield = 3;

  1091. 

  1092.                 v->lumscale2 = v->lumscale = 32;

  1093.                 v->lumshift2 = v->lumshift =  0;

  1094.                 if (v->intcompfield & 1) {

  1095.                     v->lumscale = get_bits(gb, 6);

  1096.                     v->lumshift = get_bits(gb, 6);

  1097.                 }

  1098.                 if ((v->intcompfield & 2) && v->field_mode) {

  1099.                     v->lumscale2 = get_bits(gb, 6);

  1100.                     v->lumshift2 = get_bits(gb, 6);

  1101.                 } else if(!v->field_mode) {

  1102.                     v->lumscale2 = v->lumscale;

  1103.                     v->lumshift2 = v->lumshift;

  1104.                 }

  1105.                 if (v->field_mode && v->second_field) {

  1106.                     if (v->cur_field_type) {

  1107.                         INIT_LUT(v->lumscale , v->lumshift , v->curr_luty[v->cur_field_type^1], v->curr_lutuv[v->cur_field_type^1], 0);

  1108.                         INIT_LUT(v->lumscale2, v->lumshift2, v->last_luty[v->cur_field_type  ], v->last_lutuv[v->cur_field_type  ], 1);

  1109.                     } else {

  1110.                         INIT_LUT(v->lumscale2, v->lumshift2, v->curr_luty[v->cur_field_type^1], v->curr_lutuv[v->cur_field_type^1], 0);

  1111.                         INIT_LUT(v->lumscale , v->lumshift , v->last_luty[v->cur_field_type  ], v->last_lutuv[v->cur_field_type  ], 1);

  1112.                     }

  1113.                     v->next_use_ic = v->curr_use_ic = 1;

  1114.                 } else {

  1115.                     INIT_LUT(v->lumscale , v->lumshift , v->last_luty[0], v->last_lutuv[0], 1);

  1116.                     INIT_LUT(v->lumscale2, v->lumshift2, v->last_luty[1], v->last_lutuv[1], 1);

  1117.                 }

  1118.                 v->last_use_ic = 1;

  1119.             }

  1120.             v->qs_last = v->s.quarter_sample;

  1121.             if (v->mv_mode == MV_PMODE_1MV_HPEL || v->mv_mode == MV_PMODE_1MV_HPEL_BILIN)

  1122.                 v->s.quarter_sample = 0;

  1123.             else if (v->mv_mode == MV_PMODE_INTENSITY_COMP) {

  1124.                 if (v->mv_mode2 == MV_PMODE_1MV_HPEL || v->mv_mode2 == MV_PMODE_1MV_HPEL_BILIN)

  1125.                     v->s.quarter_sample = 0;

  1126.                 else

  1127.                     v->s.quarter_sample = 1;

  1128.             } else

  1129.                 v->s.quarter_sample = 1;

  1130.             v->s.mspel = !(v->mv_mode == MV_PMODE_1MV_HPEL_BILIN

  1131.                            || (v->mv_mode == MV_PMODE_INTENSITY_COMP

  1132.                                && v->mv_mode2 == MV_PMODE_1MV_HPEL_BILIN));

  1133.         }

  1134.         if (v->fcm == PROGRESSIVE) { // progressive

  1135.             if ((v->mv_mode == MV_PMODE_INTENSITY_COMP &&

  1136.                  v->mv_mode2 == MV_PMODE_MIXED_MV)

  1137.                 || v->mv_mode == MV_PMODE_MIXED_MV) {

  1138.                 status = bitplane_decoding(v->mv_type_mb_plane, &v->mv_type_is_raw, v);

  1139.                 if (status < 0)

  1140.                     return -1;

  1141.                 av_log(v->s.avctx, AV_LOG_DEBUG, "MB MV Type plane encoding: "

  1142.                        "Imode: %i, Invert: %i\n", status>>1, status&1);

  1143.             } else {

  1144.                 v->mv_type_is_raw = 0;

  1145.                 memset(v->mv_type_mb_plane, 0, v->s.mb_stride * v->s.mb_height);

  1146.             }

  1147.             status = bitplane_decoding(v->s.mbskip_table, &v->skip_is_raw, v);

  1148.             if (status < 0)

  1149.                 return -1;

  1150.             av_log(v->s.avctx, AV_LOG_DEBUG, "MB Skip plane encoding: "

  1151.                    "Imode: %i, Invert: %i\n", status>>1, status&1);

  1152. 

  1153.             /* Hopefully this is correct for P frames */

  1154.             v->s.mv_table_index = get_bits(gb, 2); //but using ff_vc1_ tables

  1155.             v->cbpcy_vlc        = &ff_vc1_cbpcy_p_vlc[get_bits(gb, 2)];

  1156.         } else if (v->fcm == ILACE_FRAME) { // frame interlaced

  1157.             v->qs_last          = v->s.quarter_sample;

  1158.             v->s.quarter_sample = 1;

  1159.             v->s.mspel          = 1;

  1160.         } else {    // field interlaced

  1161.             mbmodetab = get_bits(gb, 3);

  1162.             imvtab = get_bits(gb, 2 + v->numref);

  1163.             if (!v->numref)

  1164.                 v->imv_vlc = &ff_vc1_1ref_mvdata_vlc[imvtab];

  1165.             else

  1166.                 v->imv_vlc = &ff_vc1_2ref_mvdata_vlc[imvtab];

  1167.             icbptab = get_bits(gb, 3);

  1168.             v->cbpcy_vlc = &ff_vc1_icbpcy_vlc[icbptab];

  1169.             if ((v->mv_mode == MV_PMODE_INTENSITY_COMP &&

  1170.                 v->mv_mode2 == MV_PMODE_MIXED_MV) || v->mv_mode == MV_PMODE_MIXED_MV) {

  1171.                 fourmvbptab     = get_bits(gb, 2);

  1172.                 v->fourmvbp_vlc = &ff_vc1_4mv_block_pattern_vlc[fourmvbptab];

  1173.                 v->mbmode_vlc = &ff_vc1_if_mmv_mbmode_vlc[mbmodetab];

  1174.             } else {

  1175.                 v->mbmode_vlc = &ff_vc1_if_1mv_mbmode_vlc[mbmodetab];

  1176.             }

  1177.         }

  1178.         if (v->dquant) {

  1179.             av_log(v->s.avctx, AV_LOG_DEBUG, "VOP DQuant info\n");

  1180.             vop_dquant_decoding(v);

  1181.         }

  1182. 

  1183.         v->ttfrm = 0; //FIXME Is that so ?

  1184.         if (v->vstransform) {

  1185.             v->ttmbf = get_bits1(gb);

  1186.             if (v->ttmbf) {

  1187.                 v->ttfrm = ff_vc1_ttfrm_to_tt[get_bits(gb, 2)];

  1188.             }

  1189.         } else {

  1190.             v->ttmbf = 1;

  1191.             v->ttfrm = TT_8X8;

  1192.         }

  1193.         break;

  1194.     case AV_PICTURE_TYPE_B:

  1195.         if (v->fcm == ILACE_FRAME) {

  1196.             v->bfraction_lut_index = get_vlc2(gb, ff_vc1_bfraction_vlc.table, VC1_BFRACTION_VLC_BITS, 1);

  1197.             v->bfraction           = ff_vc1_bfraction_lut[v->bfraction_lut_index];

  1198.             if (v->bfraction == 0) {

  1199.                 return -1;

  1200.             }

  1201.         }

  1202.         if (v->extended_mv)

  1203.             v->mvrange = get_unary(gb, 0, 3);

  1204.         else

  1205.             v->mvrange = 0;

  1206.         v->k_x     = v->mvrange + 9 + (v->mvrange >> 1); //k_x can be 9 10 12 13

  1207.         v->k_y     = v->mvrange + 8; //k_y can be 8 9 10 11

  1208.         v->range_x = 1 << (v->k_x - 1);

  1209.         v->range_y = 1 << (v->k_y - 1);

  1210. 

  1211.         if (v->pq < 5)

  1212.             v->tt_index = 0;

  1213.         else if (v->pq < 13)

  1214.             v->tt_index = 1;

  1215.         else

  1216.             v->tt_index = 2;

  1217. 

  1218.         if (v->field_mode) {

  1219.             int mvmode;

  1220.             av_log(v->s.avctx, AV_LOG_DEBUG, "B Fields\n");

  1221.             if (v->extended_dmv)

  1222.                 v->dmvrange = get_unary(gb, 0, 3);

  1223.             mvmode = get_unary(gb, 1, 3);

  1224.             lowquant = (v->pq > 12) ? 0 : 1;

  1225.             v->mv_mode          = ff_vc1_mv_pmode_table2[lowquant][mvmode];

  1226.             v->qs_last          = v->s.quarter_sample;

  1227.             v->s.quarter_sample = (v->mv_mode == MV_PMODE_1MV || v->mv_mode == MV_PMODE_MIXED_MV);

  1228.             v->s.mspel          = !(v->mv_mode == MV_PMODE_1MV_HPEL_BILIN || v->mv_mode == MV_PMODE_1MV_HPEL);

  1229.             status = bitplane_decoding(v->forward_mb_plane, &v->fmb_is_raw, v);

  1230.             if (status < 0)

  1231.                 return -1;

  1232.             av_log(v->s.avctx, AV_LOG_DEBUG, "MB Forward Type plane encoding: "

  1233.                    "Imode: %i, Invert: %i\n", status>>1, status&1);

  1234.             mbmodetab = get_bits(gb, 3);

  1235.             if (v->mv_mode == MV_PMODE_MIXED_MV)

  1236.                 v->mbmode_vlc = &ff_vc1_if_mmv_mbmode_vlc[mbmodetab];

  1237.             else

  1238.                 v->mbmode_vlc = &ff_vc1_if_1mv_mbmode_vlc[mbmodetab];

  1239.             imvtab       = get_bits(gb, 3);

  1240.             v->imv_vlc   = &ff_vc1_2ref_mvdata_vlc[imvtab];

  1241.             icbptab      = get_bits(gb, 3);

  1242.             v->cbpcy_vlc = &ff_vc1_icbpcy_vlc[icbptab];

  1243.             if (v->mv_mode == MV_PMODE_MIXED_MV) {

  1244.                 fourmvbptab     = get_bits(gb, 2);

  1245.                 v->fourmvbp_vlc = &ff_vc1_4mv_block_pattern_vlc[fourmvbptab];

  1246.             }

  1247.             v->numref = 1; // interlaced field B pictures are always 2-ref

  1248.         } else if (v->fcm == ILACE_FRAME) {

  1249.             if (v->extended_dmv)

  1250.                 v->dmvrange = get_unary(gb, 0, 3);

  1251.             get_bits1(gb); /* intcomp - present but shall always be 0 */

  1252.             v->intcomp          = 0;

  1253.             v->mv_mode          = MV_PMODE_1MV;

  1254.             v->fourmvswitch     = 0;

  1255.             v->qs_last          = v->s.quarter_sample;

  1256.             v->s.quarter_sample = 1;

  1257.             v->s.mspel          = 1;

  1258.             status              = bitplane_decoding(v->direct_mb_plane, &v->dmb_is_raw, v);

  1259.             if (status < 0)

  1260.                 return -1;

  1261.             av_log(v->s.avctx, AV_LOG_DEBUG, "MB Direct Type plane encoding: "

  1262.                    "Imode: %i, Invert: %i\n", status>>1, status&1);

  1263.             status = bitplane_decoding(v->s.mbskip_table, &v->skip_is_raw, v);

  1264.             if (status < 0)

  1265.                 return -1;

  1266.             av_log(v->s.avctx, AV_LOG_DEBUG, "MB Skip plane encoding: "

  1267.                    "Imode: %i, Invert: %i\n", status>>1, status&1);

  1268.             mbmodetab       = get_bits(gb, 2);

  1269.             v->mbmode_vlc   = &ff_vc1_intfr_non4mv_mbmode_vlc[mbmodetab];

  1270.             imvtab          = get_bits(gb, 2);

  1271.             v->imv_vlc      = &ff_vc1_1ref_mvdata_vlc[imvtab];

  1272.             // interlaced p/b-picture cbpcy range is [1, 63]

  1273.             icbptab         = get_bits(gb, 3);

  1274.             v->cbpcy_vlc    = &ff_vc1_icbpcy_vlc[icbptab];

  1275.             twomvbptab      = get_bits(gb, 2);

  1276.             v->twomvbp_vlc  = &ff_vc1_2mv_block_pattern_vlc[twomvbptab];

  1277.             fourmvbptab     = get_bits(gb, 2);

  1278.             v->fourmvbp_vlc = &ff_vc1_4mv_block_pattern_vlc[fourmvbptab];

  1279.         } else {

  1280.             v->mv_mode          = get_bits1(gb) ? MV_PMODE_1MV : MV_PMODE_1MV_HPEL_BILIN;

  1281.             v->qs_last          = v->s.quarter_sample;

  1282.             v->s.quarter_sample = (v->mv_mode == MV_PMODE_1MV);

  1283.             v->s.mspel          = v->s.quarter_sample;

  1284.             status              = bitplane_decoding(v->direct_mb_plane, &v->dmb_is_raw, v);

  1285.             if (status < 0)

  1286.                 return -1;

  1287.             av_log(v->s.avctx, AV_LOG_DEBUG, "MB Direct Type plane encoding: "

  1288.                    "Imode: %i, Invert: %i\n", status>>1, status&1);

  1289.             status = bitplane_decoding(v->s.mbskip_table, &v->skip_is_raw, v);

  1290.             if (status < 0)

  1291.                 return -1;

  1292.             av_log(v->s.avctx, AV_LOG_DEBUG, "MB Skip plane encoding: "

  1293.                    "Imode: %i, Invert: %i\n", status>>1, status&1);

  1294.             v->s.mv_table_index = get_bits(gb, 2);

  1295.             v->cbpcy_vlc = &ff_vc1_cbpcy_p_vlc[get_bits(gb, 2)];

  1296.         }

  1297. 

  1298.         if (v->dquant) {

  1299.             av_log(v->s.avctx, AV_LOG_DEBUG, "VOP DQuant info\n");

  1300.             vop_dquant_decoding(v);

  1301.         }

  1302. 

  1303.         v->ttfrm = 0;

  1304.         if (v->vstransform) {

  1305.             v->ttmbf = get_bits1(gb);

  1306.             if (v->ttmbf) {

  1307.                 v->ttfrm = ff_vc1_ttfrm_to_tt[get_bits(gb, 2)];

  1308.             }

  1309.         } else {

  1310.             v->ttmbf = 1;

  1311.             v->ttfrm = TT_8X8;

  1312.         }

  1313.         break;

  1314.     }

  1315. 

  1316.     if (v->fcm != PROGRESSIVE && !v->s.quarter_sample) {

  1317.         v->range_x <<= 1;

  1318.         v->range_y <<= 1;

  1319.     }

  1320. 

  1321.     /* AC Syntax */

  1322.     v->c_ac_table_index = decode012(gb);

  1323.     if (v->s.pict_type == AV_PICTURE_TYPE_I || v->s.pict_type == AV_PICTURE_TYPE_BI) {

  1324.         v->y_ac_table_index = decode012(gb);

  1325.     }

  1326.     /* DC Syntax */

  1327.     v->s.dc_table_index = get_bits1(gb);

  1328.     if ((v->s.pict_type == AV_PICTURE_TYPE_I || v->s.pict_type == AV_PICTURE_TYPE_BI)

  1329.         && v->dquant) {

  1330.         av_log(v->s.avctx, AV_LOG_DEBUG, "VOP DQuant info\n");

  1331.         vop_dquant_decoding(v);

  1332.     }

  1333. 

  1334.     v->bi_type = 0;

  1335.     if (v->s.pict_type == AV_PICTURE_TYPE_BI) {

  1336.         v->s.pict_type = AV_PICTURE_TYPE_B;

  1337.         v->bi_type = 1;

  1338.     }

  1339.     return 0;

  1340. }

  1341. 

  1342. static const uint32_t vc1_ac_tables[AC_MODES][186][2] = {

  1343. {

  1344. { 0x0001,  2}, { 0x0005,  3}, { 0x000D,  4}, { 0x0012,  5}, { 0x000E,  6}, { 0x0015,  7},

  1345. { 0x0013,  8}, { 0x003F,  8}, { 0x004B,  9}, { 0x011F,  9}, { 0x00B8, 10}, { 0x03E3, 10},

  1346. { 0x0172, 11}, { 0x024D, 12}, { 0x03DA, 12}, { 0x02DD, 13}, { 0x1F55, 13}, { 0x05B9, 14},

  1347. { 0x3EAE, 14}, { 0x0000,  4}, { 0x0010,  5}, { 0x0008,  7}, { 0x0020,  8}, { 0x0029,  9},

  1348. { 0x01F4,  9}, { 0x0233, 10}, { 0x01E0, 11}, { 0x012A, 12}, { 0x03DD, 12}, { 0x050A, 13},

  1349. { 0x1F29, 13}, { 0x0A42, 14}, { 0x1272, 15}, { 0x1737, 15}, { 0x0003,  5}, { 0x0011,  7},

  1350. { 0x00C4,  8}, { 0x004B, 10}, { 0x00B4, 11}, { 0x07D4, 11}, { 0x0345, 12}, { 0x02D7, 13},

  1351. { 0x07BF, 13}, { 0x0938, 14}, { 0x0BBB, 14}, { 0x095E, 15}, { 0x0013,  5}, { 0x0078,  7},

  1352. { 0x0069,  9}, { 0x0232, 10}, { 0x0461, 11}, { 0x03EC, 12}, { 0x0520, 13}, { 0x1F2A, 13},

  1353. { 0x3E50, 14}, { 0x3E51, 14}, { 0x1486, 15}, { 0x000C,  6}, { 0x0024,  9}, { 0x0094, 11},

  1354. { 0x08C0, 12}, { 0x0F09, 14}, { 0x1EF0, 15}, { 0x003D,  6}, { 0x0053,  9}, { 0x01A0, 11},

  1355. { 0x02D6, 13}, { 0x0F08, 14}, { 0x0013,  7}, { 0x007C,  9}, { 0x07C1, 11}, { 0x04AC, 14},

  1356. { 0x001B,  7}, { 0x00A0, 10}, { 0x0344, 12}, { 0x0F79, 14}, { 0x0079,  7}, { 0x03E1, 10},

  1357. { 0x02D4, 13}, { 0x2306, 14}, { 0x0021,  8}, { 0x023C, 10}, { 0x0FAE, 12}, { 0x23DE, 14},

  1358. { 0x0035,  8}, { 0x0175, 11}, { 0x07B3, 13}, { 0x00C5,  8}, { 0x0174, 11}, { 0x0785, 13},

  1359. { 0x0048,  9}, { 0x01A3, 11}, { 0x049E, 13}, { 0x002C,  9}, { 0x00FA, 10}, { 0x07D6, 11},

  1360. { 0x0092, 10}, { 0x05CC, 13}, { 0x1EF1, 15}, { 0x00A3, 10}, { 0x03ED, 12}, { 0x093E, 14},

  1361. { 0x01E2, 11}, { 0x1273, 15}, { 0x07C4, 11}, { 0x1487, 15}, { 0x0291, 12}, { 0x0293, 12},

  1362. { 0x0F8A, 12}, { 0x0509, 13}, { 0x0508, 13}, { 0x078D, 13}, { 0x07BE, 13}, { 0x078C, 13},

  1363. { 0x04AE, 14}, { 0x0BBA, 14}, { 0x2307, 14}, { 0x0B9A, 14}, { 0x1736, 15}, { 0x000E,  4},

  1364. { 0x0045,  7}, { 0x01F3,  9}, { 0x047A, 11}, { 0x05DC, 13}, { 0x23DF, 14}, { 0x0019,  5},

  1365. { 0x0028,  9}, { 0x0176, 11}, { 0x049D, 13}, { 0x23DD, 14}, { 0x0030,  6}, { 0x00A2, 10},

  1366. { 0x02EF, 12}, { 0x05B8, 14}, { 0x003F,  6}, { 0x00A5, 10}, { 0x03DB, 12}, { 0x093F, 14},

  1367. { 0x0044,  7}, { 0x07CB, 11}, { 0x095F, 15}, { 0x0063,  7}, { 0x03C3, 12}, { 0x0015,  8},

  1368. { 0x08F6, 12}, { 0x0017,  8}, { 0x0498, 13}, { 0x002C,  8}, { 0x07B2, 13}, { 0x002F,  8},

  1369. { 0x1F54, 13}, { 0x008D,  8}, { 0x07BD, 13}, { 0x008E,  8}, { 0x1182, 13}, { 0x00FB,  8},

  1370. { 0x050B, 13}, { 0x002D,  8}, { 0x07C0, 11}, { 0x0079,  9}, { 0x1F5F, 13}, { 0x007A,  9},

  1371. { 0x1F56, 13}, { 0x0231, 10}, { 0x03E4, 10}, { 0x01A1, 11}, { 0x0143, 11}, { 0x01F7, 11},

  1372. { 0x016F, 12}, { 0x0292, 12}, { 0x02E7, 12}, { 0x016C, 12}, { 0x016D, 12}, { 0x03DC, 12},

  1373. { 0x0F8B, 12}, { 0x0499, 13}, { 0x03D8, 12}, { 0x078E, 13}, { 0x02D5, 13}, { 0x1F5E, 13},

  1374. { 0x1F2B, 13}, { 0x078F, 13}, { 0x04AD, 14}, { 0x3EAF, 14}, { 0x23DC, 14}, { 0x004A,  9}

  1375. },

  1376. {

  1377. { 0x0000,  3}, { 0x0003,  4}, { 0x000B,  5}, { 0x0014,  6}, { 0x003F,  6}, { 0x005D,  7},

  1378. { 0x00A2,  8}, { 0x00AC,  9}, { 0x016E,  9}, { 0x020A, 10}, { 0x02E2, 10}, { 0x0432, 11},

  1379. { 0x05C9, 11}, { 0x0827, 12}, { 0x0B54, 12}, { 0x04E6, 13}, { 0x105F, 13}, { 0x172A, 13},

  1380. { 0x20B2, 14}, { 0x2D4E, 14}, { 0x39F0, 14}, { 0x4175, 15}, { 0x5A9E, 15}, { 0x0004,  4},

  1381. { 0x001E,  5}, { 0x0042,  7}, { 0x00B6,  8}, { 0x0173,  9}, { 0x0395, 10}, { 0x072E, 11},

  1382. { 0x0B94, 12}, { 0x16A4, 13}, { 0x20B3, 14}, { 0x2E45, 14}, { 0x0005,  5}, { 0x0040,  7},

  1383. { 0x0049,  9}, { 0x028F, 10}, { 0x05CB, 11}, { 0x048A, 13}, { 0x09DD, 14}, { 0x73E2, 15},

  1384. { 0x0018,  5}, { 0x0025,  8}, { 0x008A, 10}, { 0x051B, 11}, { 0x0E5F, 12}, { 0x09C9, 14},

  1385. { 0x139C, 15}, { 0x0029,  6}, { 0x004F,  9}, { 0x0412, 11}, { 0x048D, 13}, { 0x2E41, 14},

  1386. { 0x0038,  6}, { 0x010E,  9}, { 0x05A8, 11}, { 0x105C, 13}, { 0x39F2, 14}, { 0x0058,  7},

  1387. { 0x021F, 10}, { 0x0E7E, 12}, { 0x39FF, 14}, { 0x0023,  8}, { 0x02E3, 10}, { 0x04E5, 13},

  1388. { 0x2E40, 14}, { 0x00A1,  8}, { 0x05BE, 11}, { 0x09C8, 14}, { 0x0083,  8}, { 0x013A, 11},

  1389. { 0x1721, 13}, { 0x0044,  9}, { 0x0276, 12}, { 0x39F6, 14}, { 0x008B, 10}, { 0x04EF, 13},

  1390. { 0x5A9B, 15}, { 0x0208, 10}, { 0x1CFE, 13}, { 0x0399, 10}, { 0x1CB4, 13}, { 0x039E, 10},

  1391. { 0x39F3, 14}, { 0x05AB, 11}, { 0x73E3, 15}, { 0x0737, 11}, { 0x5A9F, 15}, { 0x082D, 12},

  1392. { 0x0E69, 12}, { 0x0E68, 12}, { 0x0433, 11}, { 0x0B7B, 12}, { 0x2DF8, 14}, { 0x2E56, 14},

  1393. { 0x2E57, 14}, { 0x39F7, 14}, { 0x51A5, 15}, { 0x0003,  3}, { 0x002A,  6}, { 0x00E4,  8},

  1394. { 0x028E, 10}, { 0x0735, 11}, { 0x1058, 13}, { 0x1CFA, 13}, { 0x2DF9, 14}, { 0x4174, 15},

  1395. { 0x0009,  4}, { 0x0054,  8}, { 0x0398, 10}, { 0x048B, 13}, { 0x139D, 15}, { 0x000D,  4},

  1396. { 0x00AD,  9}, { 0x0826, 12}, { 0x2D4C, 14}, { 0x0011,  5}, { 0x016B,  9}, { 0x0B7F, 12},

  1397. { 0x51A4, 15}, { 0x0019,  5}, { 0x021B, 10}, { 0x16FD, 13}, { 0x001D,  5}, { 0x0394, 10},

  1398. { 0x28D3, 14}, { 0x002B,  6}, { 0x05BC, 11}, { 0x5A9A, 15}, { 0x002F,  6}, { 0x0247, 12},

  1399. { 0x0010,  7}, { 0x0A35, 12}, { 0x003E,  6}, { 0x0B7A, 12}, { 0x0059,  7}, { 0x105E, 13},

  1400. { 0x0026,  8}, { 0x09CF, 14}, { 0x0055,  8}, { 0x1CB5, 13}, { 0x0057,  8}, { 0x0E5B, 12},

  1401. { 0x00A0,  8}, { 0x1468, 13}, { 0x0170,  9}, { 0x0090, 10}, { 0x01CE,  9}, { 0x021A, 10},

  1402. { 0x0218, 10}, { 0x0168,  9}, { 0x021E, 10}, { 0x0244, 12}, { 0x0736, 11}, { 0x0138, 11},

  1403. { 0x0519, 11}, { 0x0E5E, 12}, { 0x072C, 11}, { 0x0B55, 12}, { 0x09DC, 14}, { 0x20BB, 14},

  1404. { 0x048C, 13}, { 0x1723, 13}, { 0x2E44, 14}, { 0x16A5, 13}, { 0x0518, 11}, { 0x39FE, 14},

  1405. { 0x0169,  9}

  1406. },

  1407. {

  1408. { 0x0001,  2}, { 0x0006,  3}, { 0x000F,  4}, { 0x0016,  5}, { 0x0020,  6}, { 0x0018,  7},

  1409. { 0x0008,  8}, { 0x009A,  8}, { 0x0056,  9}, { 0x013E,  9}, { 0x00F0, 10}, { 0x03A5, 10},

  1410. { 0x0077, 11}, { 0x01EF, 11}, { 0x009A, 12}, { 0x005D, 13}, { 0x0001,  4}, { 0x0011,  5},

  1411. { 0x0002,  7}, { 0x000B,  8}, { 0x0012,  9}, { 0x01D6,  9}, { 0x027E, 10}, { 0x0191, 11},

  1412. { 0x00EA, 12}, { 0x03DC, 12}, { 0x013B, 13}, { 0x0004,  5}, { 0x0014,  7}, { 0x009E,  8},

  1413. { 0x0009, 10}, { 0x01AC, 11}, { 0x01E2, 11}, { 0x03CA, 12}, { 0x005F, 13}, { 0x0017,  5},

  1414. { 0x004E,  7}, { 0x005E,  9}, { 0x00F3, 10}, { 0x01AD, 11}, { 0x00EC, 12}, { 0x05F0, 13},

  1415. { 0x000E,  6}, { 0x00E1,  8}, { 0x03A4, 10}, { 0x009C, 12}, { 0x013D, 13}, { 0x003B,  6},

  1416. { 0x001C,  9}, { 0x0014, 11}, { 0x09BE, 12}, { 0x0006,  7}, { 0x007A,  9}, { 0x0190, 11},

  1417. { 0x0137, 13}, { 0x001B,  7}, { 0x0008, 10}, { 0x075C, 11}, { 0x0071,  7}, { 0x00D7, 10},

  1418. { 0x09BF, 12}, { 0x0007,  8}, { 0x00AF, 10}, { 0x04CC, 11}, { 0x0034,  8}, { 0x0265, 10},

  1419. { 0x009F, 12}, { 0x00E0,  8}, { 0x0016, 11}, { 0x0327, 12}, { 0x0015,  9}, { 0x017D, 11},

  1420. { 0x0EBB, 12}, { 0x0014,  9}, { 0x00F6, 10}, { 0x01E4, 11}, { 0x00CB, 10}, { 0x099D, 12},

  1421. { 0x00CA, 10}, { 0x02FC, 12}, { 0x017F, 11}, { 0x04CD, 11}, { 0x02FD, 12}, { 0x04FE, 11},

  1422. { 0x013A, 13}, { 0x000A,  4}, { 0x0042,  7}, { 0x01D3,  9}, { 0x04DD, 11}, { 0x0012,  5},

  1423. { 0x00E8,  8}, { 0x004C, 11}, { 0x0136, 13}, { 0x0039,  6}, { 0x0264, 10}, { 0x0EBA, 12},

  1424. { 0x0000,  7}, { 0x00AE, 10}, { 0x099C, 12}, { 0x001F,  7}, { 0x04DE, 11}, { 0x0043,  7},

  1425. { 0x04DC, 11}, { 0x0003,  8}, { 0x03CB, 12}, { 0x0006,  8}, { 0x099E, 12}, { 0x002A,  8},

  1426. { 0x05F1, 13}, { 0x000F,  8}, { 0x09FE, 12}, { 0x0033,  8}, { 0x09FF, 12}, { 0x0098,  8},

  1427. { 0x099F, 12}, { 0x00EA,  8}, { 0x013C, 13}, { 0x002E,  8}, { 0x0192, 11}, { 0x0136,  9},

  1428. { 0x006A,  9}, { 0x0015, 11}, { 0x03AF, 10}, { 0x01E3, 11}, { 0x0074, 11}, { 0x00EB, 12},

  1429. { 0x02F9, 12}, { 0x005C, 13}, { 0x00ED, 12}, { 0x03DD, 12}, { 0x0326, 12}, { 0x005E, 13},

  1430. { 0x0016,  7}

  1431. },

  1432. {

  1433. { 0x0004,  3}, { 0x0014,  5}, { 0x0017,  7}, { 0x007F,  8}, { 0x0154,  9}, { 0x01F2, 10},

  1434. { 0x00BF, 11}, { 0x0065, 12}, { 0x0AAA, 12}, { 0x0630, 13}, { 0x1597, 13}, { 0x03B7, 14},

  1435. { 0x2B22, 14}, { 0x0BE6, 15}, { 0x000B,  4}, { 0x0037,  7}, { 0x0062,  9}, { 0x0007, 11},

  1436. { 0x0166, 12}, { 0x00CE, 13}, { 0x1590, 13}, { 0x05F6, 14}, { 0x0BE7, 15}, { 0x0007,  5},

  1437. { 0x006D,  8}, { 0x0003, 11}, { 0x031F, 12}, { 0x05F2, 14}, { 0x0002,  6}, { 0x0061,  9},

  1438. { 0x0055, 12}, { 0x01DF, 14}, { 0x001A,  6}, { 0x001E, 10}, { 0x0AC9, 12}, { 0x2B23, 14},

  1439. { 0x001E,  6}, { 0x001F, 10}, { 0x0AC3, 12}, { 0x2B2B, 14}, { 0x0006,  7}, { 0x0004, 11},

  1440. { 0x02F8, 13}, { 0x0019,  7}, { 0x0006, 11}, { 0x063D, 13}, { 0x0057,  7}, { 0x0182, 11},

  1441. { 0x2AA2, 14}, { 0x0004,  8}, { 0x0180, 11}, { 0x059C, 14}, { 0x007D,  8}, { 0x0164, 12},

  1442. { 0x076D, 15}, { 0x0002,  9}, { 0x018D, 11}, { 0x1581, 13}, { 0x00AD,  8}, { 0x0060, 12},

  1443. { 0x0C67, 14}, { 0x001C,  9}, { 0x00EE, 13}, { 0x0003,  9}, { 0x02CF, 13}, { 0x00D9,  9},

  1444. { 0x1580, 13}, { 0x0002, 11}, { 0x0183, 11}, { 0x0057, 12}, { 0x0061, 12}, { 0x0031, 11},

  1445. { 0x0066, 12}, { 0x0631, 13}, { 0x0632, 13}, { 0x00AC, 13}, { 0x031D, 12}, { 0x0076, 12},

  1446. { 0x003A, 11}, { 0x0165, 12}, { 0x0C66, 14}, { 0x0003,  2}, { 0x0054,  7}, { 0x02AB, 10},

  1447. { 0x0016, 13}, { 0x05F7, 14}, { 0x0005,  4}, { 0x00F8,  9}, { 0x0AA9, 12}, { 0x005F, 15},

  1448. { 0x0004,  4}, { 0x001C, 10}, { 0x1550, 13}, { 0x0004,  5}, { 0x0077, 11}, { 0x076C, 15},

  1449. { 0x000E,  5}, { 0x000A, 12}, { 0x000C,  5}, { 0x0562, 11}, { 0x0004,  6}, { 0x031C, 12},

  1450. { 0x0006,  6}, { 0x00C8, 13}, { 0x000D,  6}, { 0x01DA, 13}, { 0x0007,  6}, { 0x00C9, 13},

  1451. { 0x0001,  7}, { 0x002E, 14}, { 0x0014,  7}, { 0x1596, 13}, { 0x000A,  7}, { 0x0AC2, 12},

  1452. { 0x0016,  7}, { 0x015B, 14}, { 0x0015,  7}, { 0x015A, 14}, { 0x000F,  8}, { 0x005E, 15},

  1453. { 0x007E,  8}, { 0x00AB,  8}, { 0x002D,  9}, { 0x00D8,  9}, { 0x000B,  9}, { 0x0014, 10},

  1454. { 0x02B3, 10}, { 0x01F3, 10}, { 0x003A, 10}, { 0x0000, 10}, { 0x0058, 10}, { 0x002E,  9},

  1455. { 0x005E, 10}, { 0x0563, 11}, { 0x00EC, 12}, { 0x0054, 12}, { 0x0AC1, 12}, { 0x1556, 13},

  1456. { 0x02FA, 13}, { 0x0181, 11}, { 0x1557, 13}, { 0x059D, 14}, { 0x2AA3, 14}, { 0x2B2A, 14},

  1457. { 0x01DE, 14}, { 0x063C, 13}, { 0x00CF, 13}, { 0x1594, 13}, { 0x000D,  9}

  1458. },

  1459. {

  1460. { 0x0002,  2}, { 0x0006,  3}, { 0x000F,  4}, { 0x000D,  5}, { 0x000C,  5}, { 0x0015,  6},

  1461. { 0x0013,  6}, { 0x0012,  6}, { 0x0017,  7}, { 0x001F,  8}, { 0x001E,  8}, { 0x001D,  8},

  1462. { 0x0025,  9}, { 0x0024,  9}, { 0x0023,  9}, { 0x0021,  9}, { 0x0021, 10}, { 0x0020, 10},

  1463. { 0x000F, 10}, { 0x000E, 10}, { 0x0007, 11}, { 0x0006, 11}, { 0x0020, 11}, { 0x0021, 11},

  1464. { 0x0050, 12}, { 0x0051, 12}, { 0x0052, 12}, { 0x000E,  4}, { 0x0014,  6}, { 0x0016,  7},

  1465. { 0x001C,  8}, { 0x0020,  9}, { 0x001F,  9}, { 0x000D, 10}, { 0x0022, 11}, { 0x0053, 12},

  1466. { 0x0055, 12}, { 0x000B,  5}, { 0x0015,  7}, { 0x001E,  9}, { 0x000C, 10}, { 0x0056, 12},

  1467. { 0x0011,  6}, { 0x001B,  8}, { 0x001D,  9}, { 0x000B, 10}, { 0x0010,  6}, { 0x0022,  9},

  1468. { 0x000A, 10}, { 0x000D,  6}, { 0x001C,  9}, { 0x0008, 10}, { 0x0012,  7}, { 0x001B,  9},

  1469. { 0x0054, 12}, { 0x0014,  7}, { 0x001A,  9}, { 0x0057, 12}, { 0x0019,  8}, { 0x0009, 10},

  1470. { 0x0018,  8}, { 0x0023, 11}, { 0x0017,  8}, { 0x0019,  9}, { 0x0018,  9}, { 0x0007, 10},

  1471. { 0x0058, 12}, { 0x0007,  4}, { 0x000C,  6}, { 0x0016,  8}, { 0x0017,  9}, { 0x0006, 10},

  1472. { 0x0005, 11}, { 0x0004, 11}, { 0x0059, 12}, { 0x000F,  6}, { 0x0016,  9}, { 0x0005, 10},

  1473. { 0x000E,  6}, { 0x0004, 10}, { 0x0011,  7}, { 0x0024, 11}, { 0x0010,  7}, { 0x0025, 11},

  1474. { 0x0013,  7}, { 0x005A, 12}, { 0x0015,  8}, { 0x005B, 12}, { 0x0014,  8}, { 0x0013,  8},

  1475. { 0x001A,  8}, { 0x0015,  9}, { 0x0014,  9}, { 0x0013,  9}, { 0x0012,  9}, { 0x0011,  9},

  1476. { 0x0026, 11}, { 0x0027, 11}, { 0x005C, 12}, { 0x005D, 12}, { 0x005E, 12}, { 0x005F, 12},

  1477. { 0x0003,  7}

  1478. },

  1479. {

  1480. { 0x0002,  2}, { 0x000F,  4}, { 0x0015,  6}, { 0x0017,  7}, { 0x001F,  8}, { 0x0025,  9},

  1481. { 0x0024,  9}, { 0x0021, 10}, { 0x0020, 10}, { 0x0007, 11}, { 0x0006, 11}, { 0x0020, 11},

  1482. { 0x0006,  3}, { 0x0014,  6}, { 0x001E,  8}, { 0x000F, 10}, { 0x0021, 11}, { 0x0050, 12},

  1483. { 0x000E,  4}, { 0x001D,  8}, { 0x000E, 10}, { 0x0051, 12}, { 0x000D,  5}, { 0x0023,  9},

  1484. { 0x000D, 10}, { 0x000C,  5}, { 0x0022,  9}, { 0x0052, 12}, { 0x000B,  5}, { 0x000C, 10},

  1485. { 0x0053, 12}, { 0x0013,  6}, { 0x000B, 10}, { 0x0054, 12}, { 0x0012,  6}, { 0x000A, 10},

  1486. { 0x0011,  6}, { 0x0009, 10}, { 0x0010,  6}, { 0x0008, 10}, { 0x0016,  7}, { 0x0055, 12},

  1487. { 0x0015,  7}, { 0x0014,  7}, { 0x001C,  8}, { 0x001B,  8}, { 0x0021,  9}, { 0x0020,  9},

  1488. { 0x001F,  9}, { 0x001E,  9}, { 0x001D,  9}, { 0x001C,  9}, { 0x001B,  9}, { 0x001A,  9},

  1489. { 0x0022, 11}, { 0x0023, 11}, { 0x0056, 12}, { 0x0057, 12}, { 0x0007,  4}, { 0x0019,  9},

  1490. { 0x0005, 11}, { 0x000F,  6}, { 0x0004, 11}, { 0x000E,  6}, { 0x000D,  6}, { 0x000C,  6},

  1491. { 0x0013,  7}, { 0x0012,  7}, { 0x0011,  7}, { 0x0010,  7}, { 0x001A,  8}, { 0x0019,  8},

  1492. { 0x0018,  8}, { 0x0017,  8}, { 0x0016,  8}, { 0x0015,  8}, { 0x0014,  8}, { 0x0013,  8},

  1493. { 0x0018,  9}, { 0x0017,  9}, { 0x0016,  9}, { 0x0015,  9}, { 0x0014,  9}, { 0x0013,  9},

  1494. { 0x0012,  9}, { 0x0011,  9}, { 0x0007, 10}, { 0x0006, 10}, { 0x0005, 10}, { 0x0004, 10},

  1495. { 0x0024, 11}, { 0x0025, 11}, { 0x0026, 11}, { 0x0027, 11}, { 0x0058, 12}, { 0x0059, 12},

  1496. { 0x005A, 12}, { 0x005B, 12}, { 0x005C, 12}, { 0x005D, 12}, { 0x005E, 12}, { 0x005F, 12},

  1497. { 0x0003,  7}

  1498. },

  1499. {

  1500. { 0x0000,  2}, { 0x0003,  3}, { 0x000D,  4}, { 0x0005,  4}, { 0x001C,  5}, { 0x0016,  5},

  1501. { 0x003F,  6}, { 0x003A,  6}, { 0x002E,  6}, { 0x0022,  6}, { 0x007B,  7}, { 0x0067,  7},

  1502. { 0x005F,  7}, { 0x0047,  7}, { 0x0026,  7}, { 0x00EF,  8}, { 0x00CD,  8}, { 0x00C1,  8},

  1503. { 0x00A9,  8}, { 0x004F,  8}, { 0x01F2,  9}, { 0x01DD,  9}, { 0x0199,  9}, { 0x0185,  9},

  1504. { 0x015D,  9}, { 0x011B,  9}, { 0x03EF, 10}, { 0x03E1, 10}, { 0x03C8, 10}, { 0x0331, 10},

  1505. { 0x0303, 10}, { 0x02F1, 10}, { 0x02A0, 10}, { 0x0233, 10}, { 0x0126, 10}, { 0x07C0, 11},

  1506. { 0x076F, 11}, { 0x076C, 11}, { 0x0661, 11}, { 0x0604, 11}, { 0x0572, 11}, { 0x0551, 11},

  1507. { 0x046A, 11}, { 0x0274, 11}, { 0x0F27, 12}, { 0x0F24, 12}, { 0x0EDB, 12}, { 0x0C8E, 12},

  1508. { 0x0C0B, 12}, { 0x0C0A, 12}, { 0x0AE3, 12}, { 0x08D6, 12}, { 0x0490, 12}, { 0x0495, 12},

  1509. { 0x1F19, 13}, { 0x1DB5, 13}, { 0x0009,  4}, { 0x0010,  5}, { 0x0029,  6}, { 0x0062,  7},

  1510. { 0x00F3,  8}, { 0x00AD,  8}, { 0x01E5,  9}, { 0x0179,  9}, { 0x009C,  9}, { 0x03B1, 10},

  1511. { 0x02AE, 10}, { 0x0127, 10}, { 0x076E, 11}, { 0x0570, 11}, { 0x0275, 11}, { 0x0F25, 12},

  1512. { 0x0EC0, 12}, { 0x0AA0, 12}, { 0x08D7, 12}, { 0x1E4C, 13}, { 0x0008,  5}, { 0x0063,  7},

  1513. { 0x00AF,  8}, { 0x017B,  9}, { 0x03B3, 10}, { 0x07DD, 11}, { 0x0640, 11}, { 0x0F8D, 12},

  1514. { 0x0BC1, 12}, { 0x0491, 12}, { 0x0028,  6}, { 0x00C3,  8}, { 0x0151,  9}, { 0x02A1, 10},

  1515. { 0x0573, 11}, { 0x0EC3, 12}, { 0x1F35, 13}, { 0x0065,  7}, { 0x01DA,  9}, { 0x02AF, 10},

  1516. { 0x0277, 11}, { 0x08C9, 12}, { 0x1781, 13}, { 0x0025,  7}, { 0x0118,  9}, { 0x0646, 11},

  1517. { 0x0AA6, 12}, { 0x1780, 13}, { 0x00C9,  8}, { 0x0321, 10}, { 0x0F9B, 12}, { 0x191E, 13},

  1518. { 0x0048,  8}, { 0x07CC, 11}, { 0x0AA1, 12}, { 0x0180,  9}, { 0x0465, 11}, { 0x1905, 13},

  1519. { 0x03E2, 10}, { 0x0EC1, 12}, { 0x3C9B, 14}, { 0x02F4, 10}, { 0x08C8, 12}, { 0x07C1, 11},

  1520. { 0x0928, 13}, { 0x05E1, 11}, { 0x320D, 14}, { 0x0EC2, 12}, { 0x6418, 15}, { 0x1F34, 13},

  1521. { 0x0078,  7}, { 0x0155,  9}, { 0x0552, 11}, { 0x191F, 13}, { 0x00FA,  8}, { 0x07DC, 11},

  1522. { 0x1907, 13}, { 0x00AC,  8}, { 0x0249, 11}, { 0x13B1, 14}, { 0x01F6,  9}, { 0x0AE2, 12},

  1523. { 0x01DC,  9}, { 0x04ED, 12}, { 0x0184,  9}, { 0x1904, 13}, { 0x0156,  9}, { 0x09D9, 13},

  1524. { 0x03E7, 10}, { 0x0929, 13}, { 0x03B2, 10}, { 0x3B68, 14}, { 0x02F5, 10}, { 0x13B0, 14},

  1525. { 0x0322, 10}, { 0x3B69, 14}, { 0x0234, 10}, { 0x7935, 15}, { 0x07C7, 11}, { 0xC833, 16},

  1526. { 0x0660, 11}, { 0x7934, 15}, { 0x024B, 11}, { 0xC832, 16}, { 0x0AA7, 12}, { 0x1F18, 13},

  1527. { 0x007A,  7}

  1528. },

  1529. {

  1530. { 0x0002,  2}, { 0x0000,  3}, { 0x001E,  5}, { 0x0004,  5}, { 0x0012,  6}, { 0x0070,  7},

  1531. { 0x001A,  7}, { 0x005F,  8}, { 0x0047,  8}, { 0x01D3,  9}, { 0x00B5,  9}, { 0x0057,  9},

  1532. { 0x03B5, 10}, { 0x016D, 10}, { 0x0162, 10}, { 0x07CE, 11}, { 0x0719, 11}, { 0x0691, 11},

  1533. { 0x02C6, 11}, { 0x0156, 11}, { 0x0F92, 12}, { 0x0D2E, 12}, { 0x0D20, 12}, { 0x059E, 12},

  1534. { 0x0468, 12}, { 0x02A6, 12}, { 0x1DA2, 13}, { 0x1C60, 13}, { 0x1A43, 13}, { 0x0B1D, 13},

  1535. { 0x08C0, 13}, { 0x055D, 13}, { 0x0003,  3}, { 0x000A,  5}, { 0x0077,  7}, { 0x00E5,  8},

  1536. { 0x01D9,  9}, { 0x03E5, 10}, { 0x0166, 10}, { 0x0694, 11}, { 0x0152, 11}, { 0x059F, 12},

  1537. { 0x1F3C, 13}, { 0x1A4B, 13}, { 0x055E, 13}, { 0x000C,  4}, { 0x007D,  7}, { 0x0044,  8},

  1538. { 0x03E0, 10}, { 0x0769, 11}, { 0x0E31, 12}, { 0x1F26, 13}, { 0x055C, 13}, { 0x001B,  5},

  1539. { 0x00E2,  8}, { 0x03A5, 10}, { 0x02C9, 11}, { 0x1F23, 13}, { 0x3B47, 14}, { 0x0007,  5},

  1540. { 0x01D8,  9}, { 0x02D8, 11}, { 0x1F27, 13}, { 0x3494, 14}, { 0x0035,  6}, { 0x03E1, 10},

  1541. { 0x059C, 12}, { 0x38C3, 14}, { 0x000C,  6}, { 0x0165, 10}, { 0x1D23, 13}, { 0x1638, 14},

  1542. { 0x0068,  7}, { 0x0693, 11}, { 0x3A45, 14}, { 0x0020,  7}, { 0x0F90, 12}, { 0x7CF6, 15},

  1543. { 0x00E8,  8}, { 0x058F, 12}, { 0x2CEF, 15}, { 0x0045,  8}, { 0x0B3A, 13}, { 0x01F1,  9},

  1544. { 0x3B46, 14}, { 0x01A7,  9}, { 0x1676, 14}, { 0x0056,  9}, { 0x692A, 15}, { 0x038D, 10},

  1545. { 0xE309, 16}, { 0x00AA, 10}, { 0x1C611, 17}, { 0x02DF, 11}, { 0xB3B9, 17}, { 0x02C8, 11},

  1546. { 0x38C20, 18}, { 0x01B0, 11}, { 0x16390, 18}, { 0x0F9F, 12}, { 0x16771, 18}, { 0x0ED0, 12},

  1547. { 0x71843, 19}, { 0x0D2A, 12}, { 0xF9E8C, 20}, { 0x0461, 12}, { 0xF9E8E, 20}, { 0x0B67, 13},

  1548. { 0x055F, 13}, { 0x003F,  6}, { 0x006D,  9}, { 0x0E90, 12}, { 0x054E, 13}, { 0x0013,  6},

  1549. { 0x0119, 10}, { 0x0B66, 13}, { 0x000B,  6}, { 0x0235, 11}, { 0x7CF5, 15}, { 0x0075,  7},

  1550. { 0x0D24, 12}, { 0xF9E9, 16}, { 0x002E,  7}, { 0x1F22, 13}, { 0x0021,  7}, { 0x054F, 13},

  1551. { 0x0014,  7}, { 0x3A44, 14}, { 0x00E4,  8}, { 0x7CF7, 15}, { 0x005E,  8}, { 0x7185, 15},

  1552. { 0x0037,  8}, { 0x2C73, 15}, { 0x01DB,  9}, { 0x59DD, 16}, { 0x01C7,  9}, { 0x692B, 15},

  1553. { 0x01A6,  9}, { 0x58E5, 16}, { 0x00B4,  9}, { 0x1F3D0, 17}, { 0x00B0,  9}, { 0xB1C9, 17},

  1554. { 0x03E6, 10}, { 0x16770, 18}, { 0x016E, 10}, { 0x3E7A2, 18}, { 0x011B, 10}, { 0xF9E8D, 20},

  1555. { 0x00D9, 10}, { 0xF9E8F, 20}, { 0x00A8, 10}, { 0x2C723, 19}, { 0x0749, 11}, { 0xE3084, 20},

  1556. { 0x0696, 11}, { 0x58E45, 20}, { 0x02DE, 11}, { 0xB1C88, 21}, { 0x0231, 11}, { 0x1C610A, 21},

  1557. { 0x01B1, 11}, { 0x71842D, 23}, { 0x0D2B, 12}, { 0x38C217, 22}, { 0x0D2F, 12}, { 0x163913, 22},

  1558. { 0x05B2, 12}, { 0x163912, 22}, { 0x0469, 12}, { 0x71842C, 23}, { 0x1A42, 13}, { 0x08C1, 13},

  1559. { 0x0073,  7}

  1560. }

  1561. };

  1562. 

  1563. static const uint16_t vlc_offs[] = {

  1564.         0,   520,   552,   616,  1128,  1160,  1224,  1740,  1772,  1836,  1900,  2436,

  1565.      2986,  3050,  3610,  4154,  4218,  4746,  5326,  5390,  5902,  6554,  7658,  8342,

  1566.      9304,  9988, 10630, 11234, 12174, 13006, 13560, 14232, 14786, 15432, 16350, 17522,

  1567.     20372, 21818, 22330, 22394, 23166, 23678, 23742, 24820, 25332, 25396, 26460, 26980,

  1568.     27048, 27592, 27600, 27608, 27616, 27624, 28224, 28258, 28290, 28802, 28834, 28866,

  1569.     29378, 29412, 29444, 29960, 29994, 30026, 30538, 30572, 30604, 31120, 31154, 31186,

  1570.     31714, 31746, 31778, 32306, 32340, 32372

  1571. };

  1572. 

  1573. /**

  1574.  * Init VC-1 specific tables and VC1Context members

  1575.  * @param v The VC1Context to initialize

  1576.  * @return Status

  1577.  */

  1578. int ff_vc1_init_common(VC1Context *v)

  1579. {

  1580.     static int done = 0;

  1581.     int i = 0;

  1582.     static VLC_TYPE vlc_table[32372][2];

  1583. 

  1584.     v->hrd_rate = v->hrd_buffer = NULL;

  1585. 

  1586.     /* VLC tables */

  1587.     if (!done) {

  1588.         INIT_VLC_STATIC(&ff_vc1_bfraction_vlc, VC1_BFRACTION_VLC_BITS, 23,

  1589.                         ff_vc1_bfraction_bits, 1, 1,

  1590.                         ff_vc1_bfraction_codes, 1, 1, 1 << VC1_BFRACTION_VLC_BITS);

  1591.         INIT_VLC_STATIC(&ff_vc1_norm2_vlc, VC1_NORM2_VLC_BITS, 4,

  1592.                         ff_vc1_norm2_bits, 1, 1,

  1593.                         ff_vc1_norm2_codes, 1, 1, 1 << VC1_NORM2_VLC_BITS);

  1594.         INIT_VLC_STATIC(&ff_vc1_norm6_vlc, VC1_NORM6_VLC_BITS, 64,

  1595.                         ff_vc1_norm6_bits, 1, 1,

  1596.                         ff_vc1_norm6_codes, 2, 2, 556);

  1597.         INIT_VLC_STATIC(&ff_vc1_imode_vlc, VC1_IMODE_VLC_BITS, 7,

  1598.                         ff_vc1_imode_bits, 1, 1,

  1599.                         ff_vc1_imode_codes, 1, 1, 1 << VC1_IMODE_VLC_BITS);

  1600.         for (i = 0; i < 3; i++) {

  1601.             ff_vc1_ttmb_vlc[i].table           = &vlc_table[vlc_offs[i * 3 + 0]];

  1602.             ff_vc1_ttmb_vlc[i].table_allocated = vlc_offs[i * 3 + 1] - vlc_offs[i * 3 + 0];

  1603.             init_vlc(&ff_vc1_ttmb_vlc[i], VC1_TTMB_VLC_BITS, 16,

  1604.                      ff_vc1_ttmb_bits[i], 1, 1,

  1605.                      ff_vc1_ttmb_codes[i], 2, 2, INIT_VLC_USE_NEW_STATIC);

  1606.             ff_vc1_ttblk_vlc[i].table           = &vlc_table[vlc_offs[i * 3 + 1]];

  1607.             ff_vc1_ttblk_vlc[i].table_allocated = vlc_offs[i * 3 + 2] - vlc_offs[i * 3 + 1];

  1608.             init_vlc(&ff_vc1_ttblk_vlc[i], VC1_TTBLK_VLC_BITS, 8,

  1609.                      ff_vc1_ttblk_bits[i], 1, 1,

  1610.                      ff_vc1_ttblk_codes[i], 1, 1, INIT_VLC_USE_NEW_STATIC);

  1611.             ff_vc1_subblkpat_vlc[i].table           = &vlc_table[vlc_offs[i * 3 + 2]];

  1612.             ff_vc1_subblkpat_vlc[i].table_allocated = vlc_offs[i * 3 + 3] - vlc_offs[i * 3 + 2];

  1613.             init_vlc(&ff_vc1_subblkpat_vlc[i], VC1_SUBBLKPAT_VLC_BITS, 15,

  1614.                      ff_vc1_subblkpat_bits[i], 1, 1,

  1615.                      ff_vc1_subblkpat_codes[i], 1, 1, INIT_VLC_USE_NEW_STATIC);

  1616.         }

  1617.         for (i = 0; i < 4; i++) {

  1618.             ff_vc1_4mv_block_pattern_vlc[i].table           = &vlc_table[vlc_offs[i * 3 + 9]];

  1619.             ff_vc1_4mv_block_pattern_vlc[i].table_allocated = vlc_offs[i * 3 + 10] - vlc_offs[i * 3 + 9];

  1620.             init_vlc(&ff_vc1_4mv_block_pattern_vlc[i], VC1_4MV_BLOCK_PATTERN_VLC_BITS, 16,

  1621.                      ff_vc1_4mv_block_pattern_bits[i], 1, 1,

  1622.                      ff_vc1_4mv_block_pattern_codes[i], 1, 1, INIT_VLC_USE_NEW_STATIC);

  1623.             ff_vc1_cbpcy_p_vlc[i].table           = &vlc_table[vlc_offs[i * 3 + 10]];

  1624.             ff_vc1_cbpcy_p_vlc[i].table_allocated = vlc_offs[i * 3 + 11] - vlc_offs[i * 3 + 10];

  1625.             init_vlc(&ff_vc1_cbpcy_p_vlc[i], VC1_CBPCY_P_VLC_BITS, 64,

  1626.                      ff_vc1_cbpcy_p_bits[i], 1, 1,

  1627.                      ff_vc1_cbpcy_p_codes[i], 2, 2, INIT_VLC_USE_NEW_STATIC);

  1628.             ff_vc1_mv_diff_vlc[i].table           = &vlc_table[vlc_offs[i * 3 + 11]];

  1629.             ff_vc1_mv_diff_vlc[i].table_allocated = vlc_offs[i * 3 + 12] - vlc_offs[i * 3 + 11];

  1630.             init_vlc(&ff_vc1_mv_diff_vlc[i], VC1_MV_DIFF_VLC_BITS, 73,

  1631.                      ff_vc1_mv_diff_bits[i], 1, 1,

  1632.                      ff_vc1_mv_diff_codes[i], 2, 2, INIT_VLC_USE_NEW_STATIC);

  1633.         }

  1634.         for (i = 0; i < 8; i++) {

  1635.             ff_vc1_ac_coeff_table[i].table           = &vlc_table[vlc_offs[i * 2 + 21]];

  1636.             ff_vc1_ac_coeff_table[i].table_allocated = vlc_offs[i * 2 + 22] - vlc_offs[i * 2 + 21];

  1637.             init_vlc(&ff_vc1_ac_coeff_table[i], AC_VLC_BITS, ff_vc1_ac_sizes[i],

  1638.                      &vc1_ac_tables[i][0][1], 8, 4,

  1639.                      &vc1_ac_tables[i][0][0], 8, 4, INIT_VLC_USE_NEW_STATIC);

  1640.             /* initialize interlaced MVDATA tables (2-Ref) */

  1641.             ff_vc1_2ref_mvdata_vlc[i].table           = &vlc_table[vlc_offs[i * 2 + 22]];

  1642.             ff_vc1_2ref_mvdata_vlc[i].table_allocated = vlc_offs[i * 2 + 23] - vlc_offs[i * 2 + 22];

  1643.             init_vlc(&ff_vc1_2ref_mvdata_vlc[i], VC1_2REF_MVDATA_VLC_BITS, 126,

  1644.                      ff_vc1_2ref_mvdata_bits[i], 1, 1,

  1645.                      ff_vc1_2ref_mvdata_codes[i], 4, 4, INIT_VLC_USE_NEW_STATIC);

  1646.         }

  1647.         for (i = 0; i < 4; i++) {

  1648.             /* initialize 4MV MBMODE VLC tables for interlaced frame P picture */

  1649.             ff_vc1_intfr_4mv_mbmode_vlc[i].table           = &vlc_table[vlc_offs[i * 3 + 37]];

  1650.             ff_vc1_intfr_4mv_mbmode_vlc[i].table_allocated = vlc_offs[i * 3 + 38] - vlc_offs[i * 3 + 37];

  1651.             init_vlc(&ff_vc1_intfr_4mv_mbmode_vlc[i], VC1_INTFR_4MV_MBMODE_VLC_BITS, 15,

  1652.                      ff_vc1_intfr_4mv_mbmode_bits[i], 1, 1,

  1653.                      ff_vc1_intfr_4mv_mbmode_codes[i], 2, 2, INIT_VLC_USE_NEW_STATIC);

  1654.             /* initialize NON-4MV MBMODE VLC tables for the same */

  1655.             ff_vc1_intfr_non4mv_mbmode_vlc[i].table           = &vlc_table[vlc_offs[i * 3 + 38]];

  1656.             ff_vc1_intfr_non4mv_mbmode_vlc[i].table_allocated = vlc_offs[i * 3 + 39] - vlc_offs[i * 3 + 38];

  1657.             init_vlc(&ff_vc1_intfr_non4mv_mbmode_vlc[i], VC1_INTFR_NON4MV_MBMODE_VLC_BITS, 9,

  1658.                      ff_vc1_intfr_non4mv_mbmode_bits[i], 1, 1,

  1659.                      ff_vc1_intfr_non4mv_mbmode_codes[i], 1, 1, INIT_VLC_USE_NEW_STATIC);

  1660.             /* initialize interlaced MVDATA tables (1-Ref) */

  1661.             ff_vc1_1ref_mvdata_vlc[i].table           = &vlc_table[vlc_offs[i * 3 + 39]];

  1662.             ff_vc1_1ref_mvdata_vlc[i].table_allocated = vlc_offs[i * 3 + 40] - vlc_offs[i * 3 + 39];

  1663.             init_vlc(&ff_vc1_1ref_mvdata_vlc[i], VC1_1REF_MVDATA_VLC_BITS, 72,

  1664.                      ff_vc1_1ref_mvdata_bits[i], 1, 1,

  1665.                      ff_vc1_1ref_mvdata_codes[i], 4, 4, INIT_VLC_USE_NEW_STATIC);

  1666.         }

  1667.         for (i = 0; i < 4; i++) {

  1668.             /* Initialize 2MV Block pattern VLC tables */

  1669.             ff_vc1_2mv_block_pattern_vlc[i].table           = &vlc_table[vlc_offs[i + 49]];

  1670.             ff_vc1_2mv_block_pattern_vlc[i].table_allocated = vlc_offs[i + 50] - vlc_offs[i + 49];

  1671.             init_vlc(&ff_vc1_2mv_block_pattern_vlc[i], VC1_2MV_BLOCK_PATTERN_VLC_BITS, 4,

  1672.                      ff_vc1_2mv_block_pattern_bits[i], 1, 1,

  1673.                      ff_vc1_2mv_block_pattern_codes[i], 1, 1, INIT_VLC_USE_NEW_STATIC);

  1674.         }

  1675.         for (i = 0; i < 8; i++) {

  1676.             /* Initialize interlaced CBPCY VLC tables (Table 124 - Table 131) */

  1677.             ff_vc1_icbpcy_vlc[i].table           = &vlc_table[vlc_offs[i * 3 + 53]];

  1678.             ff_vc1_icbpcy_vlc[i].table_allocated = vlc_offs[i * 3 + 54] - vlc_offs[i * 3 + 53];

  1679.             init_vlc(&ff_vc1_icbpcy_vlc[i], VC1_ICBPCY_VLC_BITS, 63,

  1680.                      ff_vc1_icbpcy_p_bits[i], 1, 1,

  1681.                      ff_vc1_icbpcy_p_codes[i], 2, 2, INIT_VLC_USE_NEW_STATIC);

  1682.             /* Initialize interlaced field picture MBMODE VLC tables */

  1683.             ff_vc1_if_mmv_mbmode_vlc[i].table           = &vlc_table[vlc_offs[i * 3 + 54]];

  1684.             ff_vc1_if_mmv_mbmode_vlc[i].table_allocated = vlc_offs[i * 3 + 55] - vlc_offs[i * 3 + 54];

  1685.             init_vlc(&ff_vc1_if_mmv_mbmode_vlc[i], VC1_IF_MMV_MBMODE_VLC_BITS, 8,

  1686.                      ff_vc1_if_mmv_mbmode_bits[i], 1, 1,

  1687.                      ff_vc1_if_mmv_mbmode_codes[i], 1, 1, INIT_VLC_USE_NEW_STATIC);

  1688.             ff_vc1_if_1mv_mbmode_vlc[i].table           = &vlc_table[vlc_offs[i * 3 + 55]];

  1689.             ff_vc1_if_1mv_mbmode_vlc[i].table_allocated = vlc_offs[i * 3 + 56] - vlc_offs[i * 3 + 55];

  1690.             init_vlc(&ff_vc1_if_1mv_mbmode_vlc[i], VC1_IF_1MV_MBMODE_VLC_BITS, 6,

  1691.                      ff_vc1_if_1mv_mbmode_bits[i], 1, 1,

  1692.                      ff_vc1_if_1mv_mbmode_codes[i], 1, 1, INIT_VLC_USE_NEW_STATIC);

  1693.         }

  1694.         done = 1;

  1695.     }

  1696. 

  1697.     /* Other defaults */

  1698.     v->pq      = -1;

  1699.     v->mvrange = 0; /* 7.1.1.18, p80 */

  1700. 

  1701.     return 0;

  1702. }