From c9bbe5793cbd34138b722c3a7414c7d8c5f3d55f Mon Sep 17 00:00:00 2001 From: Matthew Hoops Date: Wed, 4 Apr 2012 21:15:15 -0400 Subject: VIDEO: Rewrite the SVQ1 VLC code to use Common::Huffman --- video/codecs/svq1.cpp | 1231 +++++++++++++++++++---------------------------- video/codecs/svq1.h | 24 + video/codecs/svq1_vlc.h | 574 ++++++++++++---------- 3 files changed, 822 insertions(+), 1007 deletions(-) diff --git a/video/codecs/svq1.cpp b/video/codecs/svq1.cpp index 38abbc7230..0ccdc22fc9 100644 --- a/video/codecs/svq1.cpp +++ b/video/codecs/svq1.cpp @@ -33,6 +33,7 @@ #include "common/system.h" #include "common/debug.h" #include "common/textconsole.h" +#include "common/huffman.h" #include "graphics/yuv_to_rgb.h" @@ -43,195 +44,358 @@ namespace Video { #define SVQ1_BLOCK_INTER_4V 2 #define SVQ1_BLOCK_INTRA 3 -struct VLC { - int32 bits; - int16 (*table)[2]; // code, bits - int32 table_size; - int32 table_allocated; -}; - -/** - * parses a vlc code, faster then get_vlc() - * @param bits is the number of bits which will be read at once, must be - * identical to nb_bits in init_vlc() - * @param max_depth is the number of times bits bits must be read to completely - * read the longest vlc code - * = (max_vlc_length + bits - 1) / bits - */ -static int getVlc2(Common::BitStream *s, int16 (*table)[2], int bits, int maxDepth) { - int index = s->getBits(bits); - int code = table[index][0]; - int n = table[index][1]; - - if (maxDepth > 1 && n < 0) { - index = s->getBits(-n) + code; - code = table[index][0]; - n = table[index][1]; - - if(maxDepth > 2 && n < 0) { - index = s->getBits(-n) + code; - code = table[index][0]; - n = table[index][1]; - } - } +SVQ1Decoder::SVQ1Decoder(uint16 width, uint16 height) { + _surface = new Graphics::Surface(); + _surface->create(width, height, g_system->getScreenFormat()); - return code; -} + _current[0] = new byte[width*height]; + _current[1] = new byte[(width/4)*(height/4)]; + _current[2] = new byte[(width/4)*(height/4)]; -static int allocTable(VLC *vlc, int size, int use_static) { - int index; - int16 (*temp)[2] = NULL; - index = vlc->table_size; - vlc->table_size += size; - if (vlc->table_size > vlc->table_allocated) { - if(use_static) - error("SVQ1 cant do anything, init_vlc() is used with too little memory"); - vlc->table_allocated += (1 << vlc->bits); - temp = (int16 (*)[2])realloc(vlc->table, sizeof(int16 *) * 2 * vlc->table_allocated); - if (!temp) { - free(vlc->table); - vlc->table = NULL; - return -1; - } - vlc->table = temp; - } - return index; -} + _last[0] = 0; + _last[1] = 0; + _last[2] = 0; -static VLC svq1_block_type; -static VLC svq1_motion_component; -static VLC svq1_intra_multistage[6]; -static VLC svq1_inter_multistage[6]; -static VLC svq1_intra_mean; -static VLC svq1_inter_mean; + // Setup Variable Length Code Tables + _blockType = new Common::Huffman(0, 4, s_svq1BlockTypeCodes, s_svq1BlockTypeLengths); -static int svq1DecodeBlockIntra(Common::BitStream *s, uint8 *pixels, int pitch) { - uint8 *list[63]; - uint32 *dst; - int entries[6]; - int i, j, m, n; - int mean, stages; - unsigned int x, y, width, height, level; - uint32 n1, n2, n3, n4; + for (int i = 0; i < 6; i++) { + _intraMultistage[i] = new Common::Huffman(0, 8, s_svq1IntraMultistageCodes[i], s_svq1IntraMultistageLengths[i]); + _interMultistage[i] = new Common::Huffman(0, 8, s_svq1InterMultistageCodes[i], s_svq1InterMultistageLengths[i]); + } - // initialize list for breadth first processing of vectors - list[0] = pixels; + _intraMean = new Common::Huffman(0, 256, s_svq1IntraMeanCodes, s_svq1IntraMeanLengths); + _interMean = new Common::Huffman(0, 512, s_svq1InterMeanCodes, s_svq1InterMeanLengths); + _motionComponent = new Common::Huffman(0, 33, s_svq1MotionComponentCodes, s_svq1MotionComponentLengths); +} - // recursively process vector - for (i=0, m=1, n=1, level=5; i < n; i++) { - // SVQ1_PROCESS_VECTOR() - for (; level > 0; i++) { - // process next depth - if (i == m) { - m = n; - if (--level == 0) - break; - } - // divide block if next bit set - if (s->getBit() == 0) - break; - // add child nodes - list[n++] = list[i]; - list[n++] = list[i] + (((level & 1) ? pitch : 1) << ((level / 2) + 1)); - } +SVQ1Decoder::~SVQ1Decoder() { + _surface->free(); + delete _surface; - // destination address and vector size - dst = (uint32 *) list[i]; - width = 1 << ((4 + level) /2); - height = 1 << ((3 + level) /2); + delete[] _current[0]; + delete[] _current[1]; + delete[] _current[2]; - // get number of stages (-1 skips vector, 0 for mean only) - stages = getVlc2(s, svq1_intra_multistage[level].table, 3, 3) - 1; + delete[] _last[0]; + delete[] _last[1]; + delete[] _last[2]; - if (stages == -1) { - for (y=0; y < height; y++) { - memset (&dst[y*(pitch / 4)], 0, width); - } - continue; // skip vector - } + delete _blockType; + delete _intraMean; + delete _interMean; + delete _motionComponent; - if ((stages > 0) && (level >= 4)) { - warning("Error (svq1_decode_block_intra): invalid vector: stages=%i level=%i", stages, level); - return -1; // invalid vector - } + for (int i = 0; i < 6; i++) { + delete _intraMultistage[i]; + delete _interMultistage[i]; + } +} - mean = getVlc2(s, svq1_intra_mean.table, 8, 3); +const Graphics::Surface *SVQ1Decoder::decodeImage(Common::SeekableReadStream *stream) { + debug(1, "SVQ1Decoder::decodeImage()"); - if (stages == 0) { - for (y=0; y < height; y++) { - memset (&dst[y*(pitch / 4)], mean, width); - } - } else { - // SVQ1_CALC_CODEBOOK_ENTRIES(svq1_intra_codebooks); - const uint32 *codebook = (const uint32 *) svq1_intra_codebooks[level]; - uint32 bit_cache = s->getBits(4*stages); - // calculate codebook entries for this vector - for (j=0; j < stages; j++) { - entries[j] = (((bit_cache >> (4*(stages - j - 1))) & 0xF) + 16*j) << (level + 1); - } - mean -= (stages * 128); - n4 = ((mean + (mean >> 31)) << 16) | (mean & 0xFFFF); + Common::BitStream32BEMSB frameData(*stream); - // SVQ1_DO_CODEBOOK_INTRA() - for (y=0; y < height; y++) { - for (x=0; x < (width / 4); x++, codebook++) { - n1 = n4; - n2 = n4; - // SVQ1_ADD_CODEBOOK() - // add codebook entries to vector - for (j=0; j < stages; j++) { - n3 = codebook[entries[j]] ^ 0x80808080; - n1 += ((n3 & 0xFF00FF00) >> 8); - n2 += (n3 & 0x00FF00FF); - } + uint32 frameCode = frameData.getBits(22); + debug(1, " frameCode: %d", frameCode); - // clip to [0..255] - if (n1 & 0xFF00FF00) { - n3 = ((( n1 >> 15) & 0x00010001) | 0x01000100) - 0x00010001; - n1 += 0x7F007F00; - n1 |= (((~n1 >> 15) & 0x00010001) | 0x01000100) - 0x00010001; - n1 &= (n3 & 0x00FF00FF); - } + if ((frameCode & ~0x70) || !(frameCode & 0x60)) { // Invalid + warning("Invalid Image at frameCode"); + return _surface; + } - if (n2 & 0xFF00FF00) { - n3 = ((( n2 >> 15) & 0x00010001) | 0x01000100) - 0x00010001; - n2 += 0x7F007F00; - n2 |= (((~n2 >> 15) & 0x00010001) | 0x01000100) - 0x00010001; - n2 &= (n3 & 0x00FF00FF); - } + // swap some header bytes (why?) + //if (frameCode != 0x20) { + // uint32 *src = stream; + // + // for (i = 4; i < 8; i++) { + // src[i] = ((src[i] << 16) | (src[i] >> 16)) ^ src[7 - i]; + // } + //} - // store result - dst[x] = (n1 << 8) | n2; - } - dst += (pitch / 4); - } +#if 0 + static const uint16 checksum_table[256] = { + 0x0000, 0x1021, 0x2042, 0x3063, 0x4084, 0x50A5, 0x60C6, 0x70E7, + 0x8108, 0x9129, 0xA14A, 0xB16B, 0xC18C, 0xD1AD, 0xE1CE, 0xF1EF, + 0x1231, 0x0210, 0x3273, 0x2252, 0x52B5, 0x4294, 0x72F7, 0x62D6, + 0x9339, 0x8318, 0xB37B, 0xA35A, 0xD3BD, 0xC39C, 0xF3FF, 0xE3DE, + 0x2462, 0x3443, 0x0420, 0x1401, 0x64E6, 0x74C7, 0x44A4, 0x5485, + 0xA56A, 0xB54B, 0x8528, 0x9509, 0xE5EE, 0xF5CF, 0xC5AC, 0xD58D, + 0x3653, 0x2672, 0x1611, 0x0630, 0x76D7, 0x66F6, 0x5695, 0x46B4, + 0xB75B, 0xA77A, 0x9719, 0x8738, 0xF7DF, 0xE7FE, 0xD79D, 0xC7BC, + 0x48C4, 0x58E5, 0x6886, 0x78A7, 0x0840, 0x1861, 0x2802, 0x3823, + 0xC9CC, 0xD9ED, 0xE98E, 0xF9AF, 0x8948, 0x9969, 0xA90A, 0xB92B, + 0x5AF5, 0x4AD4, 0x7AB7, 0x6A96, 0x1A71, 0x0A50, 0x3A33, 0x2A12, + 0xDBFD, 0xCBDC, 0xFBBF, 0xEB9E, 0x9B79, 0x8B58, 0xBB3B, 0xAB1A, + 0x6CA6, 0x7C87, 0x4CE4, 0x5CC5, 0x2C22, 0x3C03, 0x0C60, 0x1C41, + 0xEDAE, 0xFD8F, 0xCDEC, 0xDDCD, 0xAD2A, 0xBD0B, 0x8D68, 0x9D49, + 0x7E97, 0x6EB6, 0x5ED5, 0x4EF4, 0x3E13, 0x2E32, 0x1E51, 0x0E70, + 0xFF9F, 0xEFBE, 0xDFDD, 0xCFFC, 0xBF1B, 0xAF3A, 0x9F59, 0x8F78, + 0x9188, 0x81A9, 0xB1CA, 0xA1EB, 0xD10C, 0xC12D, 0xF14E, 0xE16F, + 0x1080, 0x00A1, 0x30C2, 0x20E3, 0x5004, 0x4025, 0x7046, 0x6067, + 0x83B9, 0x9398, 0xA3FB, 0xB3DA, 0xC33D, 0xD31C, 0xE37F, 0xF35E, + 0x02B1, 0x1290, 0x22F3, 0x32D2, 0x4235, 0x5214, 0x6277, 0x7256, + 0xB5EA, 0xA5CB, 0x95A8, 0x8589, 0xF56E, 0xE54F, 0xD52C, 0xC50D, + 0x34E2, 0x24C3, 0x14A0, 0x0481, 0x7466, 0x6447, 0x5424, 0x4405, + 0xA7DB, 0xB7FA, 0x8799, 0x97B8, 0xE75F, 0xF77E, 0xC71D, 0xD73C, + 0x26D3, 0x36F2, 0x0691, 0x16B0, 0x6657, 0x7676, 0x4615, 0x5634, + 0xD94C, 0xC96D, 0xF90E, 0xE92F, 0x99C8, 0x89E9, 0xB98A, 0xA9AB, + 0x5844, 0x4865, 0x7806, 0x6827, 0x18C0, 0x08E1, 0x3882, 0x28A3, + 0xCB7D, 0xDB5C, 0xEB3F, 0xFB1E, 0x8BF9, 0x9BD8, 0xABBB, 0xBB9A, + 0x4A75, 0x5A54, 0x6A37, 0x7A16, 0x0AF1, 0x1AD0, 0x2AB3, 0x3A92, + 0xFD2E, 0xED0F, 0xDD6C, 0xCD4D, 0xBDAA, 0xAD8B, 0x9DE8, 0x8DC9, + 0x7C26, 0x6C07, 0x5C64, 0x4C45, 0x3CA2, 0x2C83, 0x1CE0, 0x0CC1, + 0xEF1F, 0xFF3E, 0xCF5D, 0xDF7C, 0xAF9B, 0xBFBA, 0x8FD9, 0x9FF8, + 0x6E17, 0x7E36, 0x4E55, 0x5E74, 0x2E93, 0x3EB2, 0x0ED1, 0x1EF0 + }; +#endif + + byte temporalReference = frameData.getBits(8); + debug(1, " temporalReference: %d", temporalReference); + const char* types[4] = { "I (Key)", "P (Delta from Previous)", "B (Delta from Next)", "Invalid" }; + byte frameType = frameData.getBits(2); + debug(1, " frameType: %d = %s Frame", frameType, types[frameType]); + if (frameType == 0) { // I Frame + // TODO: Validate checksum if present + if (frameCode == 0x50 || frameCode == 0x60) { + uint32 checksum = frameData.getBits(16); + debug(1, " checksum:0x%02x", checksum); + //uint16 calculate_packet_checksum (const uint8 *data, const int length) { + // int value; + //for (int i = 0; i < length; i++) + // value = checksum_table[data[i] ^ (value >> 8)] ^ ((value & 0xFF) << 8); } + } else if (frameType == 2) { // B Frame + warning("B Frames not supported by SVQ1 decoder"); + return _surface; + } else if (frameType == 3) { // Invalid + warning("Invalid Frame Type"); + return _surface; } - return 0; -} + static const uint8 stringXORTable[256] = { + 0x00, 0xD5, 0x7F, 0xAA, 0xFE, 0x2B, 0x81, 0x54, + 0x29, 0xFC, 0x56, 0x83, 0xD7, 0x02, 0xA8, 0x7D, + 0x52, 0x87, 0x2D, 0xF8, 0xAC, 0x79, 0xD3, 0x06, + 0x7B, 0xAE, 0x04, 0xD1, 0x85, 0x50, 0xFA, 0x2F, + 0xA4, 0x71, 0xDB, 0x0E, 0x5A, 0x8F, 0x25, 0xF0, + 0x8D, 0x58, 0xF2, 0x27, 0x73, 0xA6, 0x0C, 0xD9, + 0xF6, 0x23, 0x89, 0x5C, 0x08, 0xDD, 0x77, 0xA2, + 0xDF, 0x0A, 0xA0, 0x75, 0x21, 0xF4, 0x5E, 0x8B, + 0x9D, 0x48, 0xE2, 0x37, 0x63, 0xB6, 0x1C, 0xC9, + 0xB4, 0x61, 0xCB, 0x1E, 0x4A, 0x9F, 0x35, 0xE0, + 0xCF, 0x1A, 0xB0, 0x65, 0x31, 0xE4, 0x4E, 0x9B, + 0xE6, 0x33, 0x99, 0x4C, 0x18, 0xCD, 0x67, 0xB2, + 0x39, 0xEC, 0x46, 0x93, 0xC7, 0x12, 0xB8, 0x6D, + 0x10, 0xC5, 0x6F, 0xBA, 0xEE, 0x3B, 0x91, 0x44, + 0x6B, 0xBE, 0x14, 0xC1, 0x95, 0x40, 0xEA, 0x3F, + 0x42, 0x97, 0x3D, 0xE8, 0xBC, 0x69, 0xC3, 0x16, + 0xEF, 0x3A, 0x90, 0x45, 0x11, 0xC4, 0x6E, 0xBB, + 0xC6, 0x13, 0xB9, 0x6C, 0x38, 0xED, 0x47, 0x92, + 0xBD, 0x68, 0xC2, 0x17, 0x43, 0x96, 0x3C, 0xE9, + 0x94, 0x41, 0xEB, 0x3E, 0x6A, 0xBF, 0x15, 0xC0, + 0x4B, 0x9E, 0x34, 0xE1, 0xB5, 0x60, 0xCA, 0x1F, + 0x62, 0xB7, 0x1D, 0xC8, 0x9C, 0x49, 0xE3, 0x36, + 0x19, 0xCC, 0x66, 0xB3, 0xE7, 0x32, 0x98, 0x4D, + 0x30, 0xE5, 0x4F, 0x9A, 0xCE, 0x1B, 0xB1, 0x64, + 0x72, 0xA7, 0x0D, 0xD8, 0x8C, 0x59, 0xF3, 0x26, + 0x5B, 0x8E, 0x24, 0xF1, 0xA5, 0x70, 0xDA, 0x0F, + 0x20, 0xF5, 0x5F, 0x8A, 0xDE, 0x0B, 0xA1, 0x74, + 0x09, 0xDC, 0x76, 0xA3, 0xF7, 0x22, 0x88, 0x5D, + 0xD6, 0x03, 0xA9, 0x7C, 0x28, 0xFD, 0x57, 0x82, + 0xFF, 0x2A, 0x80, 0x55, 0x01, 0xD4, 0x7E, 0xAB, + 0x84, 0x51, 0xFB, 0x2E, 0x7A, 0xAF, 0x05, 0xD0, + 0xAD, 0x78, 0xD2, 0x07, 0x53, 0x86, 0x2C, 0xF9 + }; -static int svq1DecodeBlockNonIntra(Common::BitStream *s, uint8 *pixels, int pitch) { - uint8 *list[63]; - uint32 *dst; - int entries[6]; - int i, j, m, n; - int mean, stages; - int x, y, width, height, level; - uint32 n1, n2, n3, n4; + if ((frameCode ^ 0x10) >= 0x50) { + // Decode embedded string + Common::String str; + uint8 stringLen = frameData.getBits(8); + byte xorVal = stringXORTable[stringLen]; - // initialize list for breadth first processing of vectors - list[0] = pixels; + for (uint16 i = 0; i < stringLen-1; i++) { + byte data = frameData.getBits(8); + str += data ^ xorVal; + xorVal = stringXORTable[data]; + } + debug(1, " Embedded String of %d Characters: \"%s\"", stringLen, str.c_str()); + } - // recursively process vector - for (i=0, m=1, n=1, level=5; i < n; i++) { - // SVQ1_PROCESS_VECTOR() - for (; level > 0; i++) { - // process next depth - if (i == m) { - m = n; - if (--level == 0) - break; + byte unk1 = frameData.getBits(2); // Unknown + debug(1, " unk1: %d", unk1); + byte unk2 = frameData.getBits(2); // Unknown + debug(1, " unk2: %d", unk2); + bool unk3 = frameData.getBit(); // Unknown + debug(1, " unk3: %d", unk3); + + static const struct { uint w, h; } standardFrameSizes[7] = { + { 160, 120 }, // 0 + { 128, 96 }, // 1 + { 176, 144 }, // 2 + { 352, 288 }, // 3 + { 704, 576 }, // 4 + { 240, 180 }, // 5 + { 320, 240 } // 6 + }; + + byte frameSizeCode = frameData.getBits(3); + debug(1, " frameSizeCode: %d", frameSizeCode); + uint16 frameWidth, frameHeight; + if (frameSizeCode == 7) { + frameWidth = frameData.getBits(12); + frameHeight = frameData.getBits(12); + } else { + frameWidth = standardFrameSizes[frameSizeCode].w; + frameHeight = standardFrameSizes[frameSizeCode].h; + } + debug(1, " frameWidth: %d", frameWidth); + debug(1, " frameHeight: %d", frameHeight); + if (frameWidth == 0 || frameHeight == 0) { // Invalid + warning("Invalid Frame Size"); + return _surface; + } + bool checksumPresent = frameData.getBit(); + debug(1, " checksumPresent: %d", checksumPresent); + if (checksumPresent) { + bool usePacketChecksum = frameData.getBit(); + debug(1, " usePacketChecksum: %d", usePacketChecksum); + bool componentChecksumsAfterImageData = frameData.getBit(); + debug(1, " componentChecksumsAfterImageData: %d", componentChecksumsAfterImageData); + byte unk4 = frameData.getBits(2); + debug(1, " unk4: %d", unk4); + if (unk4 != 0) + warning("Invalid Frame Header in SVQ1 Frame Decode"); + } + + bool unk5 = frameData.getBit(); + debug(1, " unk5: %d", unk5); + if (unk5) { + bool unk6 = frameData.getBit(); + debug(1, " unk6: %d", unk6); + byte unk7 = frameData.getBits(4); + debug(1, " unk7: %d", unk7); + bool unk8 = frameData.getBit(); + debug(1, " unk8: %d", unk8); + byte unk9 = frameData.getBits(2); + debug(1, " unk9: %d", unk9); + while (frameData.getBit()) { + byte unk10 = frameData.getBits(8); + debug(1, " unk10: %d", unk10); + } + } + + if (frameWidth == _surface->w && frameHeight == _surface->h) { + // Decode Y, U and V component planes + for (int i = 0; i < 3; i++) { + int linesize, width, height; + if (i == 0) { + // Y Size is width * height + width = frameWidth; + if (width % 16) { + width /= 16; + width++; + width *= 16; + } + assert(width % 16 == 0); + height = frameHeight; + if (height % 16) { + height /= 16; + height++; + height *= 16; + } + assert(height % 16 == 0); + linesize = width; + } else { + // U and V size is width/4 * height/4 + width = frameWidth/4; + if (width % 16) { + width /= 16; + width++; + width *= 16; + } + assert(width % 16 == 0); + height = frameHeight/4; + if (height % 16) { + height /= 16; + height++; + height *= 16; + } + assert(height % 16 == 0); + linesize = width; + } + + if (frameType == 0) { // I Frame + // Keyframe (I) + byte *current = _current[i]; + for (uint16 y = 0; y < height; y += 16) { + for (uint16 x = 0; x < width; x += 16) { + if (int result = svq1DecodeBlockIntra(&frameData, ¤t[x], linesize) != 0) { + warning("Error in svq1DecodeBlock %i (keyframe)", result); + return _surface; + } + } + current += 16 * linesize; + } + } else { + // Delta frame (P or B) + + // Prediction Motion Vector + Common::Point *pmv = new Common::Point[(width/8) + 3]; + + byte *previous; + if(frameType == 2) { // B Frame + warning("B Frame not supported currently"); + //previous = _next[i]; + } else + previous = _last[i]; + + byte *current = _current[i]; + for (uint16 y = 0; y < height; y += 16) { + for (uint16 x = 0; x < width; x += 16) { + if (int result = svq1DecodeDeltaBlock(&frameData, ¤t[x], previous, linesize, pmv, x, y) != 0) { + warning("Error in svq1DecodeDeltaBlock %i", result); + return _surface; + } + } + + pmv[0].x = pmv[0].y = 0; + + current += 16*linesize; + } + delete[] pmv; + } + } + + convertYUV410ToRGB(_surface, _current[0], _current[1], _current[2], frameWidth, frameHeight, frameWidth, frameWidth/2); + } else + warning("FrameWidth/Height Sanity Check Failed!"); + + return _surface; +} + +int SVQ1Decoder::svq1DecodeBlockIntra(Common::BitStream *s, uint8 *pixels, int pitch) { + uint8 *list[63]; + uint32 *dst; + int entries[6]; + int i, j, m, n; + int mean, stages; + unsigned int x, y, width, height, level; + uint32 n1, n2, n3, n4; + + // initialize list for breadth first processing of vectors + list[0] = pixels; + + // recursively process vector + for (i=0, m=1, n=1, level=5; i < n; i++) { + // SVQ1_PROCESS_VECTOR() + for (; level > 0; i++) { + // process next depth + if (i == m) { + m = n; + if (--level == 0) + break; } // divide block if next bit set if (s->getBit() == 0) @@ -247,60 +411,166 @@ static int svq1DecodeBlockNonIntra(Common::BitStream *s, uint8 *pixels, int pitc height = 1 << ((3 + level) /2); // get number of stages (-1 skips vector, 0 for mean only) - stages = getVlc2(s, svq1_inter_multistage[level].table, 3, 2) - 1; + stages = _intraMultistage[level]->getSymbol(*s) - 1; - if (stages == -1) continue; // skip vector + if (stages == -1) { + for (y=0; y < height; y++) { + memset (&dst[y*(pitch / 4)], 0, width); + } + continue; // skip vector + } if ((stages > 0) && (level >= 4)) { - warning("Error (svq1_decode_block_non_intra): invalid vector: stages=%i level=%i", stages, level); - return -1; // invalid vector + warning("Error (svq1_decode_block_intra): invalid vector: stages=%i level=%i", stages, level); + return -1; // invalid vector } - mean = getVlc2(s, svq1_inter_mean.table, 9, 3) - 256; - - // SVQ1_CALC_CODEBOOK_ENTRIES(svq1_inter_codebooks); - const uint32 *codebook = (const uint32 *) svq1_inter_codebooks[level]; - uint32 bit_cache = s->getBits(4*stages); - // calculate codebook entries for this vector - for (j=0; j < stages; j++) { - entries[j] = (((bit_cache >> (4*(stages - j - 1))) & 0xF) + 16*j) << (level + 1); - } - mean -= (stages * 128); - n4 = ((mean + (mean >> 31)) << 16) | (mean & 0xFFFF); + mean = _intraMean->getSymbol(*s); - // SVQ1_DO_CODEBOOK_NONINTRA() - for (y=0; y < height; y++) { - for (x=0; x < (width / 4); x++, codebook++) { - n3 = dst[x]; - // add mean value to vector - n1 = ((n3 & 0xFF00FF00) >> 8) + n4; - n2 = (n3 & 0x00FF00FF) + n4; - //SVQ1_ADD_CODEBOOK() - // add codebook entries to vector - for (j=0; j < stages; j++) { - n3 = codebook[entries[j]] ^ 0x80808080; - n1 += ((n3 & 0xFF00FF00) >> 8); - n2 += (n3 & 0x00FF00FF); - } + if (stages == 0) { + for (y=0; y < height; y++) { + memset (&dst[y*(pitch / 4)], mean, width); + } + } else { + // SVQ1_CALC_CODEBOOK_ENTRIES(svq1_intra_codebooks); + const uint32 *codebook = (const uint32 *) svq1_intra_codebooks[level]; + uint32 bit_cache = s->getBits(4*stages); + // calculate codebook entries for this vector + for (j=0; j < stages; j++) { + entries[j] = (((bit_cache >> (4*(stages - j - 1))) & 0xF) + 16*j) << (level + 1); + } + mean -= (stages * 128); + n4 = ((mean + (mean >> 31)) << 16) | (mean & 0xFFFF); - // clip to [0..255] - if (n1 & 0xFF00FF00) { - n3 = ((( n1 >> 15) & 0x00010001) | 0x01000100) - 0x00010001; - n1 += 0x7F007F00; - n1 |= (((~n1 >> 15) & 0x00010001) | 0x01000100) - 0x00010001; - n1 &= (n3 & 0x00FF00FF); - } + // SVQ1_DO_CODEBOOK_INTRA() + for (y=0; y < height; y++) { + for (x=0; x < (width / 4); x++, codebook++) { + n1 = n4; + n2 = n4; + // SVQ1_ADD_CODEBOOK() + // add codebook entries to vector + for (j=0; j < stages; j++) { + n3 = codebook[entries[j]] ^ 0x80808080; + n1 += ((n3 & 0xFF00FF00) >> 8); + n2 += (n3 & 0x00FF00FF); + } - if (n2 & 0xFF00FF00) { - n3 = ((( n2 >> 15) & 0x00010001) | 0x01000100) - 0x00010001; - n2 += 0x7F007F00; - n2 |= (((~n2 >> 15) & 0x00010001) | 0x01000100) - 0x00010001; - n2 &= (n3 & 0x00FF00FF); - } + // clip to [0..255] + if (n1 & 0xFF00FF00) { + n3 = ((( n1 >> 15) & 0x00010001) | 0x01000100) - 0x00010001; + n1 += 0x7F007F00; + n1 |= (((~n1 >> 15) & 0x00010001) | 0x01000100) - 0x00010001; + n1 &= (n3 & 0x00FF00FF); + } - // store result - dst[x] = (n1 << 8) | n2; - } + if (n2 & 0xFF00FF00) { + n3 = ((( n2 >> 15) & 0x00010001) | 0x01000100) - 0x00010001; + n2 += 0x7F007F00; + n2 |= (((~n2 >> 15) & 0x00010001) | 0x01000100) - 0x00010001; + n2 &= (n3 & 0x00FF00FF); + } + + // store result + dst[x] = (n1 << 8) | n2; + } + dst += (pitch / 4); + } + } + } + + return 0; +} + +int SVQ1Decoder::svq1DecodeBlockNonIntra(Common::BitStream *s, uint8 *pixels, int pitch) { + uint8 *list[63]; + uint32 *dst; + int entries[6]; + int i, j, m, n; + int mean, stages; + int x, y, width, height, level; + uint32 n1, n2, n3, n4; + + // initialize list for breadth first processing of vectors + list[0] = pixels; + + // recursively process vector + for (i=0, m=1, n=1, level=5; i < n; i++) { + // SVQ1_PROCESS_VECTOR() + for (; level > 0; i++) { + // process next depth + if (i == m) { + m = n; + if (--level == 0) + break; + } + // divide block if next bit set + if (s->getBit() == 0) + break; + // add child nodes + list[n++] = list[i]; + list[n++] = list[i] + (((level & 1) ? pitch : 1) << ((level / 2) + 1)); + } + + // destination address and vector size + dst = (uint32 *) list[i]; + width = 1 << ((4 + level) /2); + height = 1 << ((3 + level) /2); + + // get number of stages (-1 skips vector, 0 for mean only) + stages = _interMultistage[level]->getSymbol(*s) - 1; + + if (stages == -1) continue; // skip vector + + if ((stages > 0) && (level >= 4)) { + warning("Error (svq1_decode_block_non_intra): invalid vector: stages=%i level=%i", stages, level); + return -1; // invalid vector + } + + mean = _interMean->getSymbol(*s) - 256; + + // SVQ1_CALC_CODEBOOK_ENTRIES(svq1_inter_codebooks); + const uint32 *codebook = (const uint32 *) svq1_inter_codebooks[level]; + uint32 bit_cache = s->getBits(4*stages); + // calculate codebook entries for this vector + for (j=0; j < stages; j++) { + entries[j] = (((bit_cache >> (4*(stages - j - 1))) & 0xF) + 16*j) << (level + 1); + } + mean -= (stages * 128); + n4 = ((mean + (mean >> 31)) << 16) | (mean & 0xFFFF); + + // SVQ1_DO_CODEBOOK_NONINTRA() + for (y=0; y < height; y++) { + for (x=0; x < (width / 4); x++, codebook++) { + n3 = dst[x]; + // add mean value to vector + n1 = ((n3 & 0xFF00FF00) >> 8) + n4; + n2 = (n3 & 0x00FF00FF) + n4; + //SVQ1_ADD_CODEBOOK() + // add codebook entries to vector + for (j=0; j < stages; j++) { + n3 = codebook[entries[j]] ^ 0x80808080; + n1 += ((n3 & 0xFF00FF00) >> 8); + n2 += (n3 & 0x00FF00FF); + } + + // clip to [0..255] + if (n1 & 0xFF00FF00) { + n3 = ((( n1 >> 15) & 0x00010001) | 0x01000100) - 0x00010001; + n1 += 0x7F007F00; + n1 |= (((~n1 >> 15) & 0x00010001) | 0x01000100) - 0x00010001; + n1 &= (n3 & 0x00FF00FF); + } + + if (n2 & 0xFF00FF00) { + n3 = ((( n2 >> 15) & 0x00010001) | 0x01000100) - 0x00010001; + n2 += 0x7F007F00; + n2 |= (((~n2 >> 15) & 0x00010001) | 0x01000100) - 0x00010001; + n2 &= (n3 & 0x00FF00FF); + } + + // store result + dst[x] = (n1 << 8) | n2; + } dst += (pitch / 4); } } @@ -323,10 +593,10 @@ static inline int mid_pred(int a, int b, int c) { return b; } -static int svq1DecodeMotionVector(Common::BitStream *s, Common::Point *mv, Common::Point **pmv) { +int SVQ1Decoder::svq1DecodeMotionVector(Common::BitStream *s, Common::Point *mv, Common::Point **pmv) { for (int i=0; i < 2; i++) { // get motion code - int diff = getVlc2(s, svq1_motion_component.table, 7, 2); + int diff = _motionComponent->getSymbol(*s); if (diff < 0) return -1; else if (diff) { @@ -343,7 +613,7 @@ static int svq1DecodeMotionVector(Common::BitStream *s, Common::Point *mv, Commo return 0; } -static void svq1SkipBlock(uint8 *current, uint8 *previous, int pitch, int x, int y) { +void SVQ1Decoder::svq1SkipBlock(uint8 *current, uint8 *previous, int pitch, int x, int y) { uint8 *src; uint8 *dst; @@ -357,7 +627,7 @@ static void svq1SkipBlock(uint8 *current, uint8 *previous, int pitch, int x, int } } -static int svq1MotionInterBlock(Common::BitStream *ss, +int SVQ1Decoder::svq1MotionInterBlock(Common::BitStream *ss, uint8 *current, uint8 *previous, int pitch, Common::Point *motion, int x, int y) { uint8 *src; @@ -409,7 +679,7 @@ static int svq1MotionInterBlock(Common::BitStream *ss, return 0; } -static int svq1MotionInter4vBlock(Common::BitStream *ss, +int SVQ1Decoder::svq1MotionInter4vBlock(Common::BitStream *ss, uint8 *current, uint8 *previous, int pitch, Common::Point *motion, int x, int y) { uint8 *src; @@ -497,14 +767,14 @@ static int svq1MotionInter4vBlock(Common::BitStream *ss, return 0; } -static int svq1DecodeDeltaBlock(Common::BitStream *ss, +int SVQ1Decoder::svq1DecodeDeltaBlock(Common::BitStream *ss, uint8 *current, uint8 *previous, int pitch, Common::Point *motion, int x, int y) { uint32 block_type; int result = 0; // get block type - block_type = getVlc2(ss, svq1_block_type.table, 2, 2); + block_type = _blockType->getSymbol(*ss); // reset motion vectors if (block_type == SVQ1_BLOCK_SKIP || block_type == SVQ1_BLOCK_INTRA) { @@ -547,527 +817,4 @@ static int svq1DecodeDeltaBlock(Common::BitStream *ss, return result; } -#define GET_DATA(v, table, i, wrap, size)\ -{\ - const uint8 *ptr = (const uint8 *)table + i * wrap;\ - switch(size) {\ - case 1:\ - v = *(const uint8 *)ptr;\ - break;\ - case 2:\ - v = *(const uint16 *)ptr;\ - break;\ - default:\ - v = *(const uint32 *)ptr;\ - break;\ - }\ -} - -static int build_table(VLC *vlc, int table_nb_bits, - int nb_codes, - const void *bits, int bits_wrap, int bits_size, - const void *codes, int codes_wrap, int codes_size, - const void *symbols, int symbols_wrap, int symbols_size, - int code_prefix, int n_prefix, int flags) -{ - int i, j, k, n, table_size, table_index, nb, n1, index, code_prefix2, symbol; - uint32 code; - int16 (*table)[2]; - - table_size = 1 << table_nb_bits; - table_index = allocTable(vlc, table_size, flags & 4); - if (table_index < 0) - return -1; - table = &vlc->table[table_index]; - - for(i = 0; i < table_size; i++) { - table[i][1] = 0; //bits - table[i][0] = -1; //codes - } - - // first pass: map codes and compute auxillary table sizes - for(i = 0; i < nb_codes; i++) { - GET_DATA(n, bits, i, bits_wrap, bits_size); - GET_DATA(code, codes, i, codes_wrap, codes_size); - // we accept tables with holes - if (n <= 0) - continue; - if (!symbols) - symbol = i; - else - GET_DATA(symbol, symbols, i, symbols_wrap, symbols_size); - // if code matches the prefix, it is in the table - n -= n_prefix; - if(flags & 2) - code_prefix2= code & (n_prefix>=32 ? 0xffffffff : (1 << n_prefix)-1); - else - code_prefix2= code >> n; - if (n > 0 && code_prefix2 == code_prefix) { - if (n <= table_nb_bits) { - // no need to add another table - j = (code << (table_nb_bits - n)) & (table_size - 1); - nb = 1 << (table_nb_bits - n); - for(k = 0; k < nb; k++) { - if(flags & 2) - j = (code >> n_prefix) + (k<> ((flags & 2) ? n_prefix : n)) & ((1 << table_nb_bits) - 1); - // compute table size - n1 = -table[j][1]; //bits - if (n > n1) - n1 = n; - table[j][1] = -n1; //bits - } - } - } - - // second pass : fill auxillary tables recursively - for(i = 0;i < table_size; i++) { - n = table[i][1]; //bits - if (n < 0) { - n = -n; - if (n > table_nb_bits) { - n = table_nb_bits; - table[i][1] = -n; //bits - } - index = build_table(vlc, n, nb_codes, - bits, bits_wrap, bits_size, - codes, codes_wrap, codes_size, - symbols, symbols_wrap, symbols_size, - (flags & 2) ? (code_prefix | (i << n_prefix)) : ((code_prefix << table_nb_bits) | i), - n_prefix + table_nb_bits, flags); - if (index < 0) - return -1; - // note: realloc has been done, so reload tables - table = &vlc->table[table_index]; - table[i][0] = index; //code - } - } - return table_index; -} - -/* Build VLC decoding tables suitable for use with get_vlc(). - - 'nb_bits' set thee decoding table size (2^nb_bits) entries. The - bigger it is, the faster is the decoding. But it should not be too - big to save memory and L1 cache. '9' is a good compromise. - - 'nb_codes' : number of vlcs codes - - 'bits' : table which gives the size (in bits) of each vlc code. - - 'codes' : table which gives the bit pattern of of each vlc code. - - 'symbols' : table which gives the values to be returned from get_vlc(). - - 'xxx_wrap' : give the number of bytes between each entry of the - 'bits' or 'codes' tables. - - 'xxx_size' : gives the number of bytes of each entry of the 'bits' - or 'codes' tables. - - 'wrap' and 'size' allows to use any memory configuration and types - (byte/word/long) to store the 'bits', 'codes', and 'symbols' tables. - - 'use_static' should be set to 1 for tables, which should be freed - with av_free_static(), 0 if free_vlc() will be used. -*/ -void initVlcSparse(VLC *vlc, int nb_bits, int nb_codes, - const void *bits, int bits_wrap, int bits_size, - const void *codes, int codes_wrap, int codes_size, - const void *symbols, int symbols_wrap, int symbols_size) { - vlc->bits = nb_bits; - - if(vlc->table_size && vlc->table_size == vlc->table_allocated) { - return; - } else if(vlc->table_size) { - error("called on a partially initialized table"); - } - - if (build_table(vlc, nb_bits, nb_codes, - bits, bits_wrap, bits_size, - codes, codes_wrap, codes_size, - symbols, symbols_wrap, symbols_size, - 0, 0, 4 | 2) < 0) { - free(&vlc->table); - return; // Error - } - - if(vlc->table_size != vlc->table_allocated) - error("SVQ1 needed %d had %d", vlc->table_size, vlc->table_allocated); -} - -SVQ1Decoder::SVQ1Decoder(uint16 width, uint16 height) { - _surface = new Graphics::Surface(); - _surface->create(width, height, g_system->getScreenFormat()); - - _current[0] = new byte[width*height]; - _current[1] = new byte[(width/4)*(height/4)]; - _current[2] = new byte[(width/4)*(height/4)]; - - _last[0] = 0; - _last[1] = 0; - _last[2] = 0; - - // Setup Variable Length Code Tables - static int16 tableA[6][2]; - svq1_block_type.table = tableA; - svq1_block_type.table_allocated = 6; - svq1_block_type.table_size = 0; - initVlcSparse(&svq1_block_type, 2, 4, - &svq1_block_type_vlc[0][1], 2, 1, - &svq1_block_type_vlc[0][0], 2, 1, NULL, 0, 0); - - static int16 tableB[176][2]; - svq1_motion_component.table = tableB; - svq1_motion_component.table_allocated = 176; - svq1_motion_component.table_size = 0; - initVlcSparse(&svq1_motion_component, 7, 33, - &mvtab[0][1], 2, 1, - &mvtab[0][0], 2, 1, NULL, 0, 0); - - uint16 offset = 0; - for (uint8 i = 0; i < 6; i++) { - static const uint8 sizes[2][6] = {{14, 10, 14, 18, 16, 18}, {10, 10, 14, 14, 14, 16}}; - static int16 tableC[168][2]; - - svq1_intra_multistage[i].table = &tableC[offset]; - svq1_intra_multistage[i].table_allocated = sizes[0][i]; - svq1_intra_multistage[i].table_size = 0; - offset += sizes[0][i]; - initVlcSparse(&svq1_intra_multistage[i], 3, 8, - &svq1_intra_multistage_vlc[i][0][1], 2, 1, - &svq1_intra_multistage_vlc[i][0][0], 2, 1, NULL, 0, 0); - - svq1_inter_multistage[i].table = &tableC[offset]; - svq1_inter_multistage[i].table_allocated = sizes[1][i]; - svq1_inter_multistage[i].table_size = 0; - offset += sizes[1][i]; - initVlcSparse(&svq1_inter_multistage[i], 3, 8, - &svq1_inter_multistage_vlc[i][0][1], 2, 1, - &svq1_inter_multistage_vlc[i][0][0], 2, 1, NULL, 0, 0); - } - - static int16 tableD[632][2]; - svq1_intra_mean.table = tableD; - svq1_intra_mean.table_allocated = 632; - svq1_intra_mean.table_size = 0; - initVlcSparse(&svq1_intra_mean, 8, 256, - &svq1_intra_mean_vlc[0][1], 4, 2, - &svq1_intra_mean_vlc[0][0], 4, 2, NULL, 0, 0); - - static int16 tableE[1434][2]; - svq1_inter_mean.table = tableE; - svq1_inter_mean.table_allocated = 1434; - svq1_inter_mean.table_size = 0; - initVlcSparse(&svq1_inter_mean, 9, 512, - &svq1_inter_mean_vlc[0][1], 4, 2, - &svq1_inter_mean_vlc[0][0], 4, 2, NULL, 0, 0); -} - -SVQ1Decoder::~SVQ1Decoder() { - _surface->free(); - delete _surface; - - delete[] _current[0]; - delete[] _current[1]; - delete[] _current[2]; - - delete[] _last[0]; - delete[] _last[1]; - delete[] _last[2]; -} - -const Graphics::Surface *SVQ1Decoder::decodeImage(Common::SeekableReadStream *stream) { - debug(1, "SVQ1Decoder::decodeImage()"); - - Common::BitStream32BEMSB frameData(*stream); - - uint32 frameCode = frameData.getBits(22); - debug(1, " frameCode: %d", frameCode); - - if ((frameCode & ~0x70) || !(frameCode & 0x60)) { // Invalid - warning("Invalid Image at frameCode"); - return _surface; - } - - // swap some header bytes (why?) - //if (frameCode != 0x20) { - // uint32 *src = stream; - // - // for (i = 4; i < 8; i++) { - // src[i] = ((src[i] << 16) | (src[i] >> 16)) ^ src[7 - i]; - // } - //} - -#if 0 - static const uint16 checksum_table[256] = { - 0x0000, 0x1021, 0x2042, 0x3063, 0x4084, 0x50A5, 0x60C6, 0x70E7, - 0x8108, 0x9129, 0xA14A, 0xB16B, 0xC18C, 0xD1AD, 0xE1CE, 0xF1EF, - 0x1231, 0x0210, 0x3273, 0x2252, 0x52B5, 0x4294, 0x72F7, 0x62D6, - 0x9339, 0x8318, 0xB37B, 0xA35A, 0xD3BD, 0xC39C, 0xF3FF, 0xE3DE, - 0x2462, 0x3443, 0x0420, 0x1401, 0x64E6, 0x74C7, 0x44A4, 0x5485, - 0xA56A, 0xB54B, 0x8528, 0x9509, 0xE5EE, 0xF5CF, 0xC5AC, 0xD58D, - 0x3653, 0x2672, 0x1611, 0x0630, 0x76D7, 0x66F6, 0x5695, 0x46B4, - 0xB75B, 0xA77A, 0x9719, 0x8738, 0xF7DF, 0xE7FE, 0xD79D, 0xC7BC, - 0x48C4, 0x58E5, 0x6886, 0x78A7, 0x0840, 0x1861, 0x2802, 0x3823, - 0xC9CC, 0xD9ED, 0xE98E, 0xF9AF, 0x8948, 0x9969, 0xA90A, 0xB92B, - 0x5AF5, 0x4AD4, 0x7AB7, 0x6A96, 0x1A71, 0x0A50, 0x3A33, 0x2A12, - 0xDBFD, 0xCBDC, 0xFBBF, 0xEB9E, 0x9B79, 0x8B58, 0xBB3B, 0xAB1A, - 0x6CA6, 0x7C87, 0x4CE4, 0x5CC5, 0x2C22, 0x3C03, 0x0C60, 0x1C41, - 0xEDAE, 0xFD8F, 0xCDEC, 0xDDCD, 0xAD2A, 0xBD0B, 0x8D68, 0x9D49, - 0x7E97, 0x6EB6, 0x5ED5, 0x4EF4, 0x3E13, 0x2E32, 0x1E51, 0x0E70, - 0xFF9F, 0xEFBE, 0xDFDD, 0xCFFC, 0xBF1B, 0xAF3A, 0x9F59, 0x8F78, - 0x9188, 0x81A9, 0xB1CA, 0xA1EB, 0xD10C, 0xC12D, 0xF14E, 0xE16F, - 0x1080, 0x00A1, 0x30C2, 0x20E3, 0x5004, 0x4025, 0x7046, 0x6067, - 0x83B9, 0x9398, 0xA3FB, 0xB3DA, 0xC33D, 0xD31C, 0xE37F, 0xF35E, - 0x02B1, 0x1290, 0x22F3, 0x32D2, 0x4235, 0x5214, 0x6277, 0x7256, - 0xB5EA, 0xA5CB, 0x95A8, 0x8589, 0xF56E, 0xE54F, 0xD52C, 0xC50D, - 0x34E2, 0x24C3, 0x14A0, 0x0481, 0x7466, 0x6447, 0x5424, 0x4405, - 0xA7DB, 0xB7FA, 0x8799, 0x97B8, 0xE75F, 0xF77E, 0xC71D, 0xD73C, - 0x26D3, 0x36F2, 0x0691, 0x16B0, 0x6657, 0x7676, 0x4615, 0x5634, - 0xD94C, 0xC96D, 0xF90E, 0xE92F, 0x99C8, 0x89E9, 0xB98A, 0xA9AB, - 0x5844, 0x4865, 0x7806, 0x6827, 0x18C0, 0x08E1, 0x3882, 0x28A3, - 0xCB7D, 0xDB5C, 0xEB3F, 0xFB1E, 0x8BF9, 0x9BD8, 0xABBB, 0xBB9A, - 0x4A75, 0x5A54, 0x6A37, 0x7A16, 0x0AF1, 0x1AD0, 0x2AB3, 0x3A92, - 0xFD2E, 0xED0F, 0xDD6C, 0xCD4D, 0xBDAA, 0xAD8B, 0x9DE8, 0x8DC9, - 0x7C26, 0x6C07, 0x5C64, 0x4C45, 0x3CA2, 0x2C83, 0x1CE0, 0x0CC1, - 0xEF1F, 0xFF3E, 0xCF5D, 0xDF7C, 0xAF9B, 0xBFBA, 0x8FD9, 0x9FF8, - 0x6E17, 0x7E36, 0x4E55, 0x5E74, 0x2E93, 0x3EB2, 0x0ED1, 0x1EF0 - }; -#endif - - byte temporalReference = frameData.getBits(8); - debug(1, " temporalReference: %d", temporalReference); - const char* types[4] = { "I (Key)", "P (Delta from Previous)", "B (Delta from Next)", "Invalid" }; - byte frameType = frameData.getBits(2); - debug(1, " frameType: %d = %s Frame", frameType, types[frameType]); - if (frameType == 0) { // I Frame - // TODO: Validate checksum if present - if (frameCode == 0x50 || frameCode == 0x60) { - uint32 checksum = frameData.getBits(16); - debug(1, " checksum:0x%02x", checksum); - //uint16 calculate_packet_checksum (const uint8 *data, const int length) { - // int value; - //for (int i = 0; i < length; i++) - // value = checksum_table[data[i] ^ (value >> 8)] ^ ((value & 0xFF) << 8); - } - } else if (frameType == 2) { // B Frame - warning("B Frames not supported by SVQ1 decoder"); - return _surface; - } else if (frameType == 3) { // Invalid - warning("Invalid Frame Type"); - return _surface; - } - - static const uint8 stringXORTable[256] = { - 0x00, 0xD5, 0x7F, 0xAA, 0xFE, 0x2B, 0x81, 0x54, - 0x29, 0xFC, 0x56, 0x83, 0xD7, 0x02, 0xA8, 0x7D, - 0x52, 0x87, 0x2D, 0xF8, 0xAC, 0x79, 0xD3, 0x06, - 0x7B, 0xAE, 0x04, 0xD1, 0x85, 0x50, 0xFA, 0x2F, - 0xA4, 0x71, 0xDB, 0x0E, 0x5A, 0x8F, 0x25, 0xF0, - 0x8D, 0x58, 0xF2, 0x27, 0x73, 0xA6, 0x0C, 0xD9, - 0xF6, 0x23, 0x89, 0x5C, 0x08, 0xDD, 0x77, 0xA2, - 0xDF, 0x0A, 0xA0, 0x75, 0x21, 0xF4, 0x5E, 0x8B, - 0x9D, 0x48, 0xE2, 0x37, 0x63, 0xB6, 0x1C, 0xC9, - 0xB4, 0x61, 0xCB, 0x1E, 0x4A, 0x9F, 0x35, 0xE0, - 0xCF, 0x1A, 0xB0, 0x65, 0x31, 0xE4, 0x4E, 0x9B, - 0xE6, 0x33, 0x99, 0x4C, 0x18, 0xCD, 0x67, 0xB2, - 0x39, 0xEC, 0x46, 0x93, 0xC7, 0x12, 0xB8, 0x6D, - 0x10, 0xC5, 0x6F, 0xBA, 0xEE, 0x3B, 0x91, 0x44, - 0x6B, 0xBE, 0x14, 0xC1, 0x95, 0x40, 0xEA, 0x3F, - 0x42, 0x97, 0x3D, 0xE8, 0xBC, 0x69, 0xC3, 0x16, - 0xEF, 0x3A, 0x90, 0x45, 0x11, 0xC4, 0x6E, 0xBB, - 0xC6, 0x13, 0xB9, 0x6C, 0x38, 0xED, 0x47, 0x92, - 0xBD, 0x68, 0xC2, 0x17, 0x43, 0x96, 0x3C, 0xE9, - 0x94, 0x41, 0xEB, 0x3E, 0x6A, 0xBF, 0x15, 0xC0, - 0x4B, 0x9E, 0x34, 0xE1, 0xB5, 0x60, 0xCA, 0x1F, - 0x62, 0xB7, 0x1D, 0xC8, 0x9C, 0x49, 0xE3, 0x36, - 0x19, 0xCC, 0x66, 0xB3, 0xE7, 0x32, 0x98, 0x4D, - 0x30, 0xE5, 0x4F, 0x9A, 0xCE, 0x1B, 0xB1, 0x64, - 0x72, 0xA7, 0x0D, 0xD8, 0x8C, 0x59, 0xF3, 0x26, - 0x5B, 0x8E, 0x24, 0xF1, 0xA5, 0x70, 0xDA, 0x0F, - 0x20, 0xF5, 0x5F, 0x8A, 0xDE, 0x0B, 0xA1, 0x74, - 0x09, 0xDC, 0x76, 0xA3, 0xF7, 0x22, 0x88, 0x5D, - 0xD6, 0x03, 0xA9, 0x7C, 0x28, 0xFD, 0x57, 0x82, - 0xFF, 0x2A, 0x80, 0x55, 0x01, 0xD4, 0x7E, 0xAB, - 0x84, 0x51, 0xFB, 0x2E, 0x7A, 0xAF, 0x05, 0xD0, - 0xAD, 0x78, 0xD2, 0x07, 0x53, 0x86, 0x2C, 0xF9 - }; - - if ((frameCode ^ 0x10) >= 0x50) { - // Decode embedded string - Common::String str; - uint8 stringLen = frameData.getBits(8); - byte xorVal = stringXORTable[stringLen]; - - for (uint16 i = 0; i < stringLen-1; i++) { - byte data = frameData.getBits(8); - str += data ^ xorVal; - xorVal = stringXORTable[data]; - } - debug(1, " Embedded String of %d Characters: \"%s\"", stringLen, str.c_str()); - } - - byte unk1 = frameData.getBits(2); // Unknown - debug(1, " unk1: %d", unk1); - byte unk2 = frameData.getBits(2); // Unknown - debug(1, " unk2: %d", unk2); - bool unk3 = frameData.getBit(); // Unknown - debug(1, " unk3: %d", unk3); - - static const struct { uint w, h; } standardFrameSizes[7] = { - { 160, 120 }, // 0 - { 128, 96 }, // 1 - { 176, 144 }, // 2 - { 352, 288 }, // 3 - { 704, 576 }, // 4 - { 240, 180 }, // 5 - { 320, 240 } // 6 - }; - - byte frameSizeCode = frameData.getBits(3); - debug(1, " frameSizeCode: %d", frameSizeCode); - uint16 frameWidth, frameHeight; - if (frameSizeCode == 7) { - frameWidth = frameData.getBits(12); - frameHeight = frameData.getBits(12); - } else { - frameWidth = standardFrameSizes[frameSizeCode].w; - frameHeight = standardFrameSizes[frameSizeCode].h; - } - debug(1, " frameWidth: %d", frameWidth); - debug(1, " frameHeight: %d", frameHeight); - if (frameWidth == 0 || frameHeight == 0) { // Invalid - warning("Invalid Frame Size"); - return _surface; - } - bool checksumPresent = frameData.getBit(); - debug(1, " checksumPresent: %d", checksumPresent); - if (checksumPresent) { - bool usePacketChecksum = frameData.getBit(); - debug(1, " usePacketChecksum: %d", usePacketChecksum); - bool componentChecksumsAfterImageData = frameData.getBit(); - debug(1, " componentChecksumsAfterImageData: %d", componentChecksumsAfterImageData); - byte unk4 = frameData.getBits(2); - debug(1, " unk4: %d", unk4); - if (unk4 != 0) - warning("Invalid Frame Header in SVQ1 Frame Decode"); - } - - bool unk5 = frameData.getBit(); - debug(1, " unk5: %d", unk5); - if (unk5) { - bool unk6 = frameData.getBit(); - debug(1, " unk6: %d", unk6); - byte unk7 = frameData.getBits(4); - debug(1, " unk7: %d", unk7); - bool unk8 = frameData.getBit(); - debug(1, " unk8: %d", unk8); - byte unk9 = frameData.getBits(2); - debug(1, " unk9: %d", unk9); - while (frameData.getBit()) { - byte unk10 = frameData.getBits(8); - debug(1, " unk10: %d", unk10); - } - } - - if (frameWidth == _surface->w && frameHeight == _surface->h) { - // Decode Y, U and V component planes - for (int i = 0; i < 3; i++) { - int linesize, width, height; - if (i == 0) { - // Y Size is width * height - width = frameWidth; - if (width % 16) { - width /= 16; - width++; - width *= 16; - } - assert(width % 16 == 0); - height = frameHeight; - if (height % 16) { - height /= 16; - height++; - height *= 16; - } - assert(height % 16 == 0); - linesize = width; - } else { - // U and V size is width/4 * height/4 - width = frameWidth/4; - if (width % 16) { - width /= 16; - width++; - width *= 16; - } - assert(width % 16 == 0); - height = frameHeight/4; - if (height % 16) { - height /= 16; - height++; - height *= 16; - } - assert(height % 16 == 0); - linesize = width; - } - - if (frameType == 0) { // I Frame - // Keyframe (I) - byte *current = _current[i]; - for (uint16 y = 0; y < height; y += 16) { - for (uint16 x = 0; x < width; x += 16) { - if (int result = svq1DecodeBlockIntra(&frameData, ¤t[x], linesize) != 0) { - warning("Error in svq1DecodeBlock %i (keyframe)", result); - return _surface; - } - } - current += 16 * linesize; - } - } else { - // Delta frame (P or B) - - // Prediction Motion Vector - Common::Point *pmv = new Common::Point[(width/8) + 3]; - - byte *previous; - if(frameType == 2) { // B Frame - warning("B Frame not supported currently"); - //previous = _next[i]; - } else - previous = _last[i]; - - byte *current = _current[i]; - for (uint16 y = 0; y < height; y += 16) { - for (uint16 x = 0; x < width; x += 16) { - if (int result = svq1DecodeDeltaBlock(&frameData, ¤t[x], previous, linesize, pmv, x, y) != 0) { - warning("Error in svq1DecodeDeltaBlock %i", result); - return _surface; - } - } - - pmv[0].x = pmv[0].y = 0; - - current += 16*linesize; - } - delete[] pmv; - } - } - - convertYUV410ToRGB(_surface, _current[0], _current[1], _current[2], frameWidth, frameHeight, frameWidth, frameWidth/2); - } else - warning("FrameWidth/Height Sanity Check Failed!"); - - return _surface; -} - } // End of namespace Video diff --git a/video/codecs/svq1.h b/video/codecs/svq1.h index 786a2bbd80..2271bf4d2b 100644 --- a/video/codecs/svq1.h +++ b/video/codecs/svq1.h @@ -25,6 +25,12 @@ #include "video/codecs/codec.h" +namespace Common { +class BitStream; +class Huffman; +class Point; +} + namespace Video { class SVQ1Decoder : public Codec { @@ -40,6 +46,24 @@ private: byte *_current[3]; byte *_last[3]; + + Common::Huffman *_blockType; + Common::Huffman *_intraMultistage[6]; + Common::Huffman *_interMultistage[6]; + Common::Huffman *_intraMean; + Common::Huffman *_interMean; + Common::Huffman *_motionComponent; + + int svq1DecodeBlockIntra(Common::BitStream *s, uint8 *pixels, int pitch); + int svq1DecodeBlockNonIntra(Common::BitStream *s, uint8 *pixels, int pitch); + int svq1DecodeMotionVector(Common::BitStream *s, Common::Point *mv, Common::Point **pmv); + void svq1SkipBlock(uint8 *current, uint8 *previous, int pitch, int x, int y); + int svq1MotionInterBlock(Common::BitStream *ss, uint8 *current, uint8 *previous, int pitch, + Common::Point *motion, int x, int y); + int svq1MotionInter4vBlock(Common::BitStream *ss, uint8 *current, uint8 *previous, int pitch, + Common::Point *motion, int x, int y); + int svq1DecodeDeltaBlock(Common::BitStream *ss, uint8 *current, uint8 *previous, int pitch, + Common::Point *motion, int x, int y); }; } // End of namespace Video diff --git a/video/codecs/svq1_vlc.h b/video/codecs/svq1_vlc.h index 0b9477ffa7..eb70eb582e 100644 --- a/video/codecs/svq1_vlc.h +++ b/video/codecs/svq1_vlc.h @@ -23,272 +23,316 @@ #ifndef VIDEO_CODECS_SVQ1_VLC_H #define VIDEO_CODECS_SVQ1_VLC_H -// values in this table range from 0..3; adjust retrieved value by +0 -const uint8 svq1_block_type_vlc[4][2] = { - // { code, length } - { 0x1, 1 }, { 0x1, 2 }, { 0x1, 3 }, { 0x0, 3 } - -}; - -// values in this table range from -1..6; adjust retrieved value by -1 -const uint8 svq1_intra_multistage_vlc[6][8][2] = { - // { code, length } -{ - { 0x1, 5 }, { 0x1, 1 }, { 0x3, 3 }, { 0x2, 3 }, - { 0x3, 4 }, { 0x2, 4 }, { 0x0, 5 }, { 0x1, 4 } -},{ - { 0x1, 4 }, { 0x3, 2 }, { 0x5, 3 }, { 0x4, 3 }, - { 0x3, 3 }, { 0x2, 3 }, { 0x0, 4 }, { 0x1, 3 } -},{ - { 0x1, 5 }, { 0x1, 1 }, { 0x3, 3 }, { 0x0, 5 }, - { 0x3, 4 }, { 0x2, 3 }, { 0x2, 4 }, { 0x1, 4 } -},{ - { 0x1, 6 }, { 0x1, 1 }, { 0x1, 2 }, { 0x0, 6 }, - { 0x3, 4 }, { 0x2, 4 }, { 0x1, 5 }, { 0x1, 4 } -},{ - { 0x1, 6 }, { 0x1, 1 }, { 0x1, 2 }, { 0x3, 5 }, - { 0x2, 5 }, { 0x0, 6 }, { 0x1, 5 }, { 0x1, 3 } -},{ - { 0x1, 7 }, { 0x1, 1 }, { 0x1, 2 }, { 0x1, 3 }, - { 0x1, 4 }, { 0x1, 6 }, { 0x0, 7 }, { 0x1, 5 } -} -}; - -// values in this table range from -1..6; adjust retrieved value by -1 -const uint8 svq1_inter_multistage_vlc[6][8][2] = { - // { code, length } -{ - { 0x3, 2 }, { 0x5, 3 }, { 0x4, 3 }, { 0x3, 3 }, - { 0x2, 3 }, { 0x1, 3 }, { 0x1, 4 }, { 0x0, 4 } -},{ - { 0x3, 2 }, { 0x5, 3 }, { 0x4, 3 }, { 0x3, 3 }, - { 0x2, 3 }, { 0x1, 3 }, { 0x1, 4 }, { 0x0, 4 } -},{ - { 0x1, 1 }, { 0x3, 3 }, { 0x2, 3 }, { 0x3, 4 }, - { 0x2, 4 }, { 0x1, 4 }, { 0x1, 5 }, { 0x0, 5 } -},{ - { 0x1, 1 }, { 0x3, 3 }, { 0x2, 3 }, { 0x3, 4 }, - { 0x2, 4 }, { 0x1, 4 }, { 0x1, 5 }, { 0x0, 5 } -},{ - { 0x1, 1 }, { 0x3, 3 }, { 0x2, 3 }, { 0x3, 4 }, - { 0x2, 4 }, { 0x1, 4 }, { 0x1, 5 }, { 0x0, 5 } -},{ - { 0x1, 1 }, { 0x1, 2 }, { 0x1, 3 }, { 0x3, 5 }, - { 0x2, 5 }, { 0x1, 5 }, { 0x1, 6 }, { 0x0, 6 } -} -}; - -// values in this table range from 0..255; adjust retrieved value by +0 -const uint16 svq1_intra_mean_vlc[256][2] = { - // { code, length } - { 0x37, 6 }, { 0x56, 7 }, { 0x1, 17 }, { 0x1, 20 }, - { 0x2, 20 }, { 0x3, 20 }, { 0x0, 20 }, { 0x4, 20 }, - { 0x5, 20 }, { 0x3, 19 }, { 0x15, 11 }, { 0x42, 9 }, - { 0x14, 11 }, { 0x3, 14 }, { 0x2, 14 }, { 0x1, 15 }, - { 0x1, 16 }, { 0x1, 12 }, { 0x2B, 10 }, { 0x18, 11 }, - { 0xC, 11 }, { 0x41, 9 }, { 0x78, 8 }, { 0x6C, 8 }, - { 0x55, 7 }, { 0xF, 4 }, { 0xE, 4 }, { 0x34, 6 }, - { 0x51, 7 }, { 0x72, 8 }, { 0x6E, 8 }, { 0x40, 9 }, - { 0x3F, 9 }, { 0x3E, 9 }, { 0x3D, 9 }, { 0x3C, 9 }, - { 0x3B, 9 }, { 0x3A, 9 }, { 0x39, 9 }, { 0x38, 9 }, - { 0x37, 9 }, { 0x43, 9 }, { 0x46, 9 }, { 0x47, 9 }, - { 0x45, 9 }, { 0x44, 9 }, { 0x49, 9 }, { 0x48, 9 }, - { 0x4A, 8 }, { 0x79, 8 }, { 0x76, 8 }, { 0x77, 8 }, - { 0x71, 8 }, { 0x75, 8 }, { 0x74, 8 }, { 0x73, 8 }, - { 0x6A, 8 }, { 0x55, 8 }, { 0x70, 8 }, { 0x6F, 8 }, - { 0x52, 8 }, { 0x6D, 8 }, { 0x4C, 8 }, { 0x6B, 8 }, - { 0x40, 7 }, { 0x69, 8 }, { 0x68, 8 }, { 0x67, 8 }, - { 0x66, 8 }, { 0x65, 8 }, { 0x64, 8 }, { 0x63, 8 }, - { 0x62, 8 }, { 0x61, 8 }, { 0x60, 8 }, { 0x5F, 8 }, - { 0x5E, 8 }, { 0x5D, 8 }, { 0x5C, 8 }, { 0x5B, 8 }, - { 0x5A, 8 }, { 0x59, 8 }, { 0x58, 8 }, { 0x57, 8 }, - { 0x56, 8 }, { 0x3D, 7 }, { 0x54, 8 }, { 0x53, 8 }, - { 0x3F, 7 }, { 0x51, 8 }, { 0x50, 8 }, { 0x4F, 8 }, - { 0x4E, 8 }, { 0x4D, 8 }, { 0x41, 7 }, { 0x4B, 8 }, - { 0x53, 7 }, { 0x3E, 7 }, { 0x48, 8 }, { 0x4F, 7 }, - { 0x52, 7 }, { 0x45, 8 }, { 0x50, 7 }, { 0x43, 8 }, - { 0x42, 8 }, { 0x41, 8 }, { 0x42, 7 }, { 0x43, 7 }, - { 0x3E, 8 }, { 0x44, 7 }, { 0x3C, 8 }, { 0x45, 7 }, - { 0x46, 7 }, { 0x47, 7 }, { 0x48, 7 }, { 0x49, 7 }, - { 0x4A, 7 }, { 0x4B, 7 }, { 0x4C, 7 }, { 0x4D, 7 }, - { 0x4E, 7 }, { 0x58, 7 }, { 0x59, 7 }, { 0x5A, 7 }, - { 0x5B, 7 }, { 0x5C, 7 }, { 0x5D, 7 }, { 0x44, 8 }, - { 0x49, 8 }, { 0x29, 8 }, { 0x3F, 8 }, { 0x3D, 8 }, - { 0x3B, 8 }, { 0x2C, 8 }, { 0x28, 8 }, { 0x25, 8 }, - { 0x26, 8 }, { 0x5E, 7 }, { 0x57, 7 }, { 0x54, 7 }, - { 0x5F, 7 }, { 0x62, 7 }, { 0x63, 7 }, { 0x64, 7 }, - { 0x61, 7 }, { 0x65, 7 }, { 0x67, 7 }, { 0x66, 7 }, - { 0x35, 6 }, { 0x36, 6 }, { 0x60, 7 }, { 0x39, 8 }, - { 0x3A, 8 }, { 0x38, 8 }, { 0x37, 8 }, { 0x36, 8 }, - { 0x35, 8 }, { 0x34, 8 }, { 0x33, 8 }, { 0x32, 8 }, - { 0x31, 8 }, { 0x30, 8 }, { 0x2D, 8 }, { 0x2B, 8 }, - { 0x2A, 8 }, { 0x27, 8 }, { 0x40, 8 }, { 0x46, 8 }, - { 0x47, 8 }, { 0x26, 9 }, { 0x25, 9 }, { 0x24, 9 }, - { 0x23, 9 }, { 0x22, 9 }, { 0x2E, 8 }, { 0x2F, 8 }, - { 0x1F, 9 }, { 0x36, 9 }, { 0x1D, 9 }, { 0x21, 9 }, - { 0x1B, 9 }, { 0x1C, 9 }, { 0x19, 9 }, { 0x1A, 9 }, - { 0x18, 9 }, { 0x17, 9 }, { 0x16, 9 }, { 0x1E, 9 }, - { 0x20, 9 }, { 0x27, 9 }, { 0x28, 9 }, { 0x29, 9 }, - { 0x2A, 9 }, { 0x2B, 9 }, { 0x2C, 9 }, { 0x2D, 9 }, - { 0x2E, 9 }, { 0x2F, 9 }, { 0x30, 9 }, { 0x35, 9 }, - { 0x31, 9 }, { 0x32, 9 }, { 0x33, 9 }, { 0x34, 9 }, - { 0x19, 10 }, { 0x2A, 10 }, { 0x17, 10 }, { 0x16, 10 }, - { 0x15, 10 }, { 0x28, 10 }, { 0x26, 10 }, { 0x25, 10 }, - { 0x22, 10 }, { 0x21, 10 }, { 0x18, 10 }, { 0x14, 10 }, - { 0x29, 10 }, { 0x12, 10 }, { 0xD, 10 }, { 0xE, 10 }, - { 0xF, 10 }, { 0x10, 10 }, { 0x11, 10 }, { 0x1A, 10 }, - { 0x1B, 10 }, { 0x1C, 10 }, { 0x1D, 10 }, { 0x1E, 10 }, - { 0x1F, 10 }, { 0x20, 10 }, { 0x13, 10 }, { 0x23, 10 }, - { 0x24, 10 }, { 0x9, 11 }, { 0x8, 11 }, { 0x7, 11 }, - { 0x27, 10 }, { 0x5, 11 }, { 0xB, 11 }, { 0x6, 11 }, - { 0x4, 11 }, { 0x3, 11 }, { 0x2, 11 }, { 0x1, 11 }, - { 0xA, 11 }, { 0x16, 11 }, { 0x19, 11 }, { 0x17, 11 }, - { 0xD, 11 }, { 0xE, 11 }, { 0xF, 11 }, { 0x10, 11 }, - { 0x11, 11 }, { 0x12, 11 }, { 0x13, 11 }, { 0x1, 14 } -}; - -// values in this table range from -256..255; adjust retrieved value by -256 -const uint16 svq1_inter_mean_vlc[512][2] = { - // { code, length } - { 0x5A, 22 }, { 0xD4, 22 }, { 0xD5, 22 }, { 0xD6, 22 }, - { 0xD7, 22 }, { 0xD8, 22 }, { 0xD9, 22 }, { 0xDA, 22 }, - { 0xDB, 22 }, { 0xDC, 22 }, { 0xDD, 22 }, { 0xDE, 22 }, - { 0xDF, 22 }, { 0xE0, 22 }, { 0xE1, 22 }, { 0xE2, 22 }, - { 0xE3, 22 }, { 0xE4, 22 }, { 0xE5, 22 }, { 0xE6, 22 }, - { 0xE8, 22 }, { 0xCB, 22 }, { 0xE9, 22 }, { 0xEA, 22 }, - { 0xE7, 22 }, { 0xEC, 22 }, { 0xED, 22 }, { 0xEE, 22 }, - { 0xEF, 22 }, { 0xF0, 22 }, { 0xF1, 22 }, { 0xF2, 22 }, - { 0xF3, 22 }, { 0xF4, 22 }, { 0xF5, 22 }, { 0xF6, 22 }, - { 0xF7, 22 }, { 0xF8, 22 }, { 0x102, 22 }, { 0xEB, 22 }, - { 0xF9, 22 }, { 0xFC, 22 }, { 0xFD, 22 }, { 0xFE, 22 }, - { 0x100, 22 }, { 0x5C, 22 }, { 0x60, 22 }, { 0x101, 22 }, - { 0x71, 22 }, { 0x104, 22 }, { 0x105, 22 }, { 0xFB, 22 }, - { 0xFF, 22 }, { 0x86, 21 }, { 0xFA, 22 }, { 0x7C, 22 }, - { 0x75, 22 }, { 0x103, 22 }, { 0x78, 22 }, { 0xD3, 22 }, - { 0x7B, 22 }, { 0x82, 22 }, { 0xD2, 22 }, { 0xD1, 22 }, - { 0xD0, 22 }, { 0xCF, 22 }, { 0xCE, 22 }, { 0xCD, 22 }, - { 0xCC, 22 }, { 0xC3, 22 }, { 0xCA, 22 }, { 0xC9, 22 }, - { 0xC8, 22 }, { 0xC7, 22 }, { 0xC6, 22 }, { 0xC5, 22 }, - { 0x8B, 22 }, { 0xC4, 22 }, { 0xC2, 22 }, { 0xC1, 22 }, - { 0xC0, 22 }, { 0xBF, 22 }, { 0xBE, 22 }, { 0xBD, 22 }, - { 0xBC, 22 }, { 0xBB, 22 }, { 0xBA, 22 }, { 0xB9, 22 }, - { 0x61, 22 }, { 0x84, 22 }, { 0x85, 22 }, { 0x86, 22 }, - { 0x87, 22 }, { 0x88, 22 }, { 0x89, 22 }, { 0x8A, 22 }, - { 0x8C, 22 }, { 0x8D, 22 }, { 0x8E, 22 }, { 0x8F, 22 }, - { 0x90, 22 }, { 0x91, 22 }, { 0x92, 22 }, { 0x93, 22 }, - { 0x94, 22 }, { 0x95, 22 }, { 0x96, 22 }, { 0x97, 22 }, - { 0x98, 22 }, { 0x99, 22 }, { 0x9A, 22 }, { 0x9B, 22 }, - { 0x9C, 22 }, { 0x9D, 22 }, { 0x9E, 22 }, { 0x9F, 22 }, - { 0xA0, 22 }, { 0xA1, 22 }, { 0xA2, 22 }, { 0xA3, 22 }, - { 0xA4, 22 }, { 0xA5, 22 }, { 0xA6, 22 }, { 0xA7, 22 }, - { 0xA8, 22 }, { 0xA9, 22 }, { 0xAA, 22 }, { 0xAB, 22 }, - { 0x7F, 22 }, { 0x8F, 21 }, { 0xAC, 22 }, { 0xAD, 22 }, - { 0xAE, 22 }, { 0xAF, 22 }, { 0xB0, 22 }, { 0xB1, 22 }, - { 0x53, 20 }, { 0x90, 21 }, { 0xB2, 22 }, { 0x91, 21 }, - { 0xB3, 22 }, { 0xB4, 22 }, { 0x54, 20 }, { 0xB5, 22 }, - { 0xB6, 22 }, { 0x8C, 21 }, { 0x34, 19 }, { 0x3D, 18 }, - { 0x55, 20 }, { 0xB7, 22 }, { 0xB8, 22 }, { 0x8B, 21 }, - { 0x56, 20 }, { 0x3D, 19 }, { 0x57, 20 }, { 0x58, 20 }, - { 0x40, 19 }, { 0x43, 19 }, { 0x47, 19 }, { 0x2A, 18 }, - { 0x2E, 19 }, { 0x2C, 18 }, { 0x46, 19 }, { 0x59, 20 }, - { 0x49, 19 }, { 0x2D, 19 }, { 0x38, 18 }, { 0x36, 18 }, - { 0x39, 18 }, { 0x45, 19 }, { 0x28, 18 }, { 0x30, 18 }, - { 0x35, 18 }, { 0x20, 17 }, { 0x44, 19 }, { 0x32, 18 }, - { 0x31, 18 }, { 0x1F, 17 }, { 0x2F, 18 }, { 0x2E, 18 }, - { 0x2D, 18 }, { 0x21, 17 }, { 0x22, 17 }, { 0x23, 17 }, - { 0x24, 17 }, { 0x27, 16 }, { 0x23, 16 }, { 0x20, 16 }, - { 0x1D, 16 }, { 0x25, 16 }, { 0x1E, 16 }, { 0x24, 16 }, - { 0x2A, 16 }, { 0x26, 16 }, { 0x21, 15 }, { 0x29, 16 }, - { 0x22, 15 }, { 0x23, 15 }, { 0x24, 15 }, { 0x1B, 15 }, - { 0x1A, 15 }, { 0x1D, 15 }, { 0x1F, 15 }, { 0x27, 15 }, - { 0x17, 14 }, { 0x18, 14 }, { 0x19, 14 }, { 0x1B, 14 }, - { 0x1C, 14 }, { 0x1E, 14 }, { 0x25, 14 }, { 0x20, 14 }, - { 0x21, 14 }, { 0x13, 13 }, { 0x14, 13 }, { 0x15, 13 }, - { 0x16, 13 }, { 0x17, 13 }, { 0x18, 13 }, { 0x19, 13 }, - { 0x1A, 13 }, { 0x18, 12 }, { 0x17, 12 }, { 0x15, 12 }, - { 0x14, 12 }, { 0x13, 12 }, { 0x12, 12 }, { 0xF, 11 }, - { 0x10, 11 }, { 0x12, 11 }, { 0x13, 11 }, { 0x1B, 11 }, - { 0x1A, 11 }, { 0xE, 10 }, { 0x13, 10 }, { 0xF, 10 }, - { 0x10, 10 }, { 0x11, 10 }, { 0x12, 10 }, { 0xD, 9 }, - { 0x14, 9 }, { 0x15, 9 }, { 0xC, 9 }, { 0x13, 9 }, - { 0xF, 8 }, { 0xE, 8 }, { 0x10, 8 }, { 0x11, 8 }, - { 0xC, 7 }, { 0x9, 7 }, { 0xA, 7 }, { 0x8, 6 }, - { 0x9, 6 }, { 0x9, 5 }, { 0x8, 5 }, { 0x5, 4 }, - { 0x1, 1 }, { 0x3, 3 }, { 0x7, 5 }, { 0x6, 5 }, - { 0xB, 6 }, { 0xA, 6 }, { 0xE, 7 }, { 0xF, 7 }, - { 0xB, 7 }, { 0xD, 7 }, { 0xB, 8 }, { 0xD, 8 }, - { 0xC, 8 }, { 0xF, 9 }, { 0x10, 9 }, { 0x11, 9 }, - { 0xE, 9 }, { 0x12, 9 }, { 0x17, 10 }, { 0x14, 10 }, - { 0x16, 10 }, { 0x15, 10 }, { 0x19, 11 }, { 0x18, 11 }, - { 0x17, 11 }, { 0x16, 11 }, { 0x15, 11 }, { 0x14, 11 }, - { 0x11, 11 }, { 0x19, 12 }, { 0x1A, 12 }, { 0x16, 12 }, - { 0x1D, 12 }, { 0x1B, 12 }, { 0x1C, 12 }, { 0x20, 13 }, - { 0x1C, 13 }, { 0x23, 13 }, { 0x22, 13 }, { 0x21, 13 }, - { 0x1F, 13 }, { 0x1E, 13 }, { 0x1B, 13 }, { 0x1D, 13 }, - { 0x24, 14 }, { 0x16, 14 }, { 0x1A, 14 }, { 0x22, 14 }, - { 0x1D, 14 }, { 0x1F, 14 }, { 0x15, 14 }, { 0x23, 14 }, - { 0x18, 15 }, { 0x20, 15 }, { 0x29, 15 }, { 0x28, 15 }, - { 0x26, 15 }, { 0x25, 15 }, { 0x19, 15 }, { 0x1C, 15 }, - { 0x1E, 15 }, { 0x17, 15 }, { 0x2C, 16 }, { 0x2B, 16 }, - { 0x1C, 16 }, { 0x21, 16 }, { 0x2D, 16 }, { 0x28, 16 }, - { 0x1F, 16 }, { 0x1B, 16 }, { 0x1A, 16 }, { 0x22, 16 }, - { 0x2D, 17 }, { 0x32, 17 }, { 0x2C, 17 }, { 0x27, 17 }, - { 0x31, 17 }, { 0x33, 17 }, { 0x2F, 17 }, { 0x2B, 17 }, - { 0x37, 18 }, { 0x2A, 17 }, { 0x2E, 17 }, { 0x30, 17 }, - { 0x29, 17 }, { 0x28, 17 }, { 0x26, 17 }, { 0x25, 17 }, - { 0x2F, 19 }, { 0x33, 18 }, { 0x34, 18 }, { 0x30, 19 }, - { 0x3A, 18 }, { 0x3B, 18 }, { 0x31, 19 }, { 0x3C, 18 }, - { 0x2B, 18 }, { 0x29, 18 }, { 0x48, 19 }, { 0x27, 18 }, - { 0x42, 19 }, { 0x41, 19 }, { 0x26, 18 }, { 0x52, 20 }, - { 0x51, 20 }, { 0x3F, 19 }, { 0x3E, 19 }, { 0x39, 19 }, - { 0x3C, 19 }, { 0x3B, 19 }, { 0x3A, 19 }, { 0x25, 18 }, - { 0x38, 19 }, { 0x50, 20 }, { 0x37, 19 }, { 0x36, 19 }, - { 0x87, 21 }, { 0x4F, 20 }, { 0x35, 19 }, { 0x4E, 20 }, - { 0x33, 19 }, { 0x32, 19 }, { 0x4D, 20 }, { 0x4C, 20 }, - { 0x83, 22 }, { 0x4B, 20 }, { 0x81, 22 }, { 0x80, 22 }, - { 0x8E, 21 }, { 0x7E, 22 }, { 0x7D, 22 }, { 0x84, 21 }, - { 0x8D, 21 }, { 0x7A, 22 }, { 0x79, 22 }, { 0x4A, 20 }, - { 0x77, 22 }, { 0x76, 22 }, { 0x89, 21 }, { 0x74, 22 }, - { 0x73, 22 }, { 0x72, 22 }, { 0x49, 20 }, { 0x70, 22 }, - { 0x6F, 22 }, { 0x6E, 22 }, { 0x6D, 22 }, { 0x6C, 22 }, - { 0x6B, 22 }, { 0x6A, 22 }, { 0x69, 22 }, { 0x68, 22 }, - { 0x67, 22 }, { 0x66, 22 }, { 0x65, 22 }, { 0x64, 22 }, - { 0x63, 22 }, { 0x62, 22 }, { 0x8A, 21 }, { 0x88, 21 }, - { 0x5F, 22 }, { 0x5E, 22 }, { 0x5D, 22 }, { 0x85, 21 }, - { 0x5B, 22 }, { 0x83, 21 }, { 0x59, 22 }, { 0x58, 22 }, - { 0x57, 22 }, { 0x56, 22 }, { 0x55, 22 }, { 0x54, 22 }, - { 0x53, 22 }, { 0x52, 22 }, { 0x51, 22 }, { 0x50, 22 }, - { 0x4F, 22 }, { 0x4E, 22 }, { 0x4D, 22 }, { 0x4C, 22 }, - { 0x4B, 22 }, { 0x4A, 22 }, { 0x49, 22 }, { 0x48, 22 }, - { 0x47, 22 }, { 0x46, 22 }, { 0x45, 22 }, { 0x44, 22 }, - { 0x43, 22 }, { 0x42, 22 }, { 0x41, 22 }, { 0x40, 22 }, - { 0x3F, 22 }, { 0x3E, 22 }, { 0x3D, 22 }, { 0x3C, 22 }, - { 0x3B, 22 }, { 0x3A, 22 }, { 0x39, 22 }, { 0x38, 22 }, - { 0x37, 22 }, { 0x36, 22 }, { 0x35, 22 }, { 0x34, 22 }, - { 0x33, 22 }, { 0x32, 22 }, { 0x31, 22 }, { 0x30, 22 }, - { 0x2F, 22 }, { 0x2E, 22 }, { 0x2D, 22 }, { 0x2C, 22 }, - { 0x2B, 22 }, { 0x2A, 22 }, { 0x29, 22 }, { 0x28, 22 }, - { 0x27, 22 }, { 0x26, 22 }, { 0x25, 22 }, { 0x24, 22 }, - { 0x23, 22 }, { 0x22, 22 }, { 0x21, 22 }, { 0x20, 22 }, - { 0x1F, 22 }, { 0x1E, 22 }, { 0x1D, 22 }, { 0x1C, 22 }, - { 0x1B, 22 }, { 0x1A, 22 }, { 0x19, 22 }, { 0x18, 22 }, - { 0x17, 22 }, { 0x16, 22 }, { 0x15, 22 }, { 0x14, 22 }, - { 0x13, 22 }, { 0x12, 22 }, { 0x11, 22 }, { 0x10, 22 }, - { 0xF, 22 }, { 0xE, 22 }, { 0xD, 22 }, { 0xC, 22 }, - { 0xB, 22 }, { 0xA, 22 }, { 0x9, 22 }, { 0x8, 22 }, - { 0x7, 22 }, { 0x6, 22 }, { 0x5, 22 }, { 0x4, 22 }, - { 0x3, 22 }, { 0x2, 22 }, { 0x1, 22 }, { 0x0, 22 } -}; - -// From H263 Data Tables -const uint8 mvtab[33][2] = -{ - {1,1}, {1,2}, {1,3}, {1,4}, {3,6}, {5,7}, {4,7}, {3,7}, - {11,9}, {10,9}, {9,9}, {17,10}, {16,10}, {15,10}, {14,10}, {13,10}, - {12,10}, {11,10}, {10,10}, {9,10}, {8,10}, {7,10}, {6,10}, {5,10}, - {4,10}, {7,11}, {6,11}, {5,11}, {4,11}, {3,11}, {2,11}, {3,12}, - {2,12} +#include "common/scummsys.h" + +namespace Video { + +static const byte s_svq1BlockTypeLengths[4] = { + 1, 2, 3, 3 +}; + +static const uint32 s_svq1BlockTypeCodes[4] = { + 1, 1, 1, 0 +}; + +static const byte s_svq1IntraMultistageLengths0[8] = { + 5, 1, 3, 3, 4, 4, 5, 4 +}; + +static const uint32 s_svq1IntraMultistageCodes0[8] = { + 1, 1, 3, 2, 3, 2, 0, 1 +}; + +static const byte s_svq1IntraMultistageLengths1[8] = { + 4, 2, 3, 3, 3, 3, 4, 3 +}; + +static const uint32 s_svq1IntraMultistageCodes1[8] = { + 1, 3, 5, 4, 3, 2, 0, 1 +}; + +static const byte s_svq1IntraMultistageLengths2[8] = { + 5, 1, 3, 5, 4, 3, 4, 4 +}; + +static const uint32 s_svq1IntraMultistageCodes2[8] = { + 1, 1, 3, 0, 3, 2, 2, 1 +}; + +static const byte s_svq1IntraMultistageLengths3[8] = { + 6, 1, 2, 6, 4, 4, 5, 4 +}; + +static const uint32 s_svq1IntraMultistageCodes3[8] = { + 1, 1, 1, 0, 3, 2, 1, 1 +}; + +static const byte s_svq1IntraMultistageLengths4[8] = { + 6, 1, 2, 5, 5, 6, 5, 3 +}; + +static const uint32 s_svq1IntraMultistageCodes4[8] = { + 1, 1, 1, 3, 2, 0, 1, 1 +}; + +static const byte s_svq1IntraMultistageLengths5[8] = { + 7, 1, 2, 3, 4, 6, 7, 5 +}; + +static const uint32 s_svq1IntraMultistageCodes5[8] = { + 1, 1, 1, 1, 1, 1, 0, 1 +}; + +static const byte *s_svq1IntraMultistageLengths[6] = { + s_svq1IntraMultistageLengths0, s_svq1IntraMultistageLengths1, s_svq1IntraMultistageLengths2, + s_svq1IntraMultistageLengths3, s_svq1IntraMultistageLengths4, s_svq1IntraMultistageLengths5 +}; + +static const uint32 *s_svq1IntraMultistageCodes[6] = { + s_svq1IntraMultistageCodes0, s_svq1IntraMultistageCodes1, s_svq1IntraMultistageCodes2, + s_svq1IntraMultistageCodes3, s_svq1IntraMultistageCodes4, s_svq1IntraMultistageCodes5 +}; + +static const byte s_svq1InterMultistageLengths0[8] = { + 2, 3, 3, 3, 3, 3, 4, 4 +}; + +static const uint32 s_svq1InterMultistageCodes0[8] = { + 3, 5, 4, 3, 2, 1, 1, 0 +}; + +static const byte s_svq1InterMultistageLengths1[8] = { + 2, 3, 3, 3, 3, 3, 4, 4 +}; + +static const uint32 s_svq1InterMultistageCodes1[8] = { + 3, 5, 4, 3, 2, 1, 1, 0 +}; + +static const byte s_svq1InterMultistageLengths2[8] = { + 1, 3, 3, 4, 4, 4, 5, 5 +}; + +static const uint32 s_svq1InterMultistageCodes2[8] = { + 1, 3, 2, 3, 2, 1, 1, 0 +}; + +static const byte s_svq1InterMultistageLengths3[8] = { + 1, 3, 3, 4, 4, 4, 5, 5 +}; + +static const uint32 s_svq1InterMultistageCodes3[8] = { + 1, 3, 2, 3, 2, 1, 1, 0 +}; + +static const byte s_svq1InterMultistageLengths4[8] = { + 1, 3, 3, 4, 4, 4, 5, 5 +}; + +static const uint32 s_svq1InterMultistageCodes4[8] = { + 1, 3, 2, 3, 2, 1, 1, 0 +}; + +static const byte s_svq1InterMultistageLengths5[8] = { + 1, 2, 3, 5, 5, 5, 6, 6 +}; + +static const uint32 s_svq1InterMultistageCodes5[8] = { + 1, 1, 1, 3, 2, 1, 1, 0 +}; + +static const byte *s_svq1InterMultistageLengths[6] = { + s_svq1InterMultistageLengths0, s_svq1InterMultistageLengths1, s_svq1InterMultistageLengths2, + s_svq1InterMultistageLengths3, s_svq1InterMultistageLengths4, s_svq1InterMultistageLengths5 +}; + +static const uint32 *s_svq1InterMultistageCodes[6] = { + s_svq1InterMultistageCodes0, s_svq1InterMultistageCodes1, s_svq1InterMultistageCodes2, + s_svq1InterMultistageCodes3, s_svq1InterMultistageCodes4, s_svq1InterMultistageCodes5 +}; + +static const byte s_svq1IntraMeanLengths[256] = { + 6, 7, 17, 20, 20, 20, 20, 20, 20, 19, + 11, 9, 11, 14, 14, 15, 16, 12, 10, 11, + 11, 9, 8, 8, 7, 4, 4, 6, 7, 8, + 8, 9, 9, 9, 9, 9, 9, 9, 9, 9, + 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, + 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, + 8, 8, 8, 8, 7, 8, 8, 8, 8, 8, + 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, + 8, 8, 8, 8, 8, 7, 8, 8, 7, 8, + 8, 8, 8, 8, 7, 8, 7, 7, 8, 7, + 7, 8, 7, 8, 8, 8, 7, 7, 8, 7, + 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, + 7, 7, 7, 7, 7, 7, 7, 8, 8, 8, + 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, + 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, + 7, 8, 8, 8, 8, 8, 8, 8, 8, 8, + 8, 8, 8, 8, 8, 8, 8, 8, 8, 9, + 9, 9, 9, 9, 8, 8, 9, 9, 9, 9, + 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, + 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, + 9, 9, 9, 9, 10, 10, 10, 10, 10, 10, + 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, + 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, + 10, 10, 10, 11, 11, 11, 10, 11, 11, 11, + 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, + 11, 11, 11, 11, 11, 14 +}; + +static const uint32 s_svq1IntraMeanCodes[256] = { + 55, 86, 1, 1, 2, 3, 0, 4, 5, 3, + 21, 66, 20, 3, 2, 1, 1, 1, 43, 24, + 12, 65, 120, 108, 85, 15, 14, 52, 81, 114, + 110, 64, 63, 62, 61, 60, 59, 58, 57, 56, + 55, 67, 70, 71, 69, 68, 73, 72, 74, 121, + 118, 119, 113, 117, 116, 115, 106, 85, 112, 111, + 82, 109, 76, 107, 64, 105, 104, 103, 102, 101, + 100, 99, 98, 97, 96, 95, 94, 93, 92, 91, + 90, 89, 88, 87, 86, 61, 84, 83, 63, 81, + 80, 79, 78, 77, 65, 75, 83, 62, 72, 79, + 82, 69, 80, 67, 66, 65, 66, 67, 62, 68, + 60, 69, 70, 71, 72, 73, 74, 75, 76, 77, + 78, 88, 89, 90, 91, 92, 93, 68, 73, 41, + 63, 61, 59, 44, 40, 37, 38, 94, 87, 84, + 95, 98, 99, 100, 97, 101, 103, 102, 53, 54, + 96, 57, 58, 56, 55, 54, 53, 52, 51, 50, + 49, 48, 45, 43, 42, 39, 64, 70, 71, 38, + 37, 36, 35, 34, 46, 47, 31, 54, 29, 33, + 27, 28, 25, 26, 24, 23, 22, 30, 32, 39, + 40, 41, 42, 43, 44, 45, 46, 47, 48, 53, + 49, 50, 51, 52, 25, 42, 23, 22, 21, 40, + 38, 37, 34, 33, 24, 20, 41, 18, 13, 14, + 15, 16, 17, 26, 27, 28, 29, 30, 31, 32, + 19, 35, 36, 9, 8, 7, 39, 5, 11, 6, + 4, 3, 2, 1, 10, 22, 25, 23, 13, 14, + 15, 16, 17, 18, 19, 1 +}; + +static const byte s_svq1InterMeanLengths[512] = { + 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, + 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, + 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, + 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, + 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, + 22, 22, 22, 21, 22, 22, 22, 22, 22, 22, + 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, + 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, + 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, + 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, + 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, + 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, + 22, 22, 22, 22, 22, 22, 22, 22, 22, 21, + 22, 22, 22, 22, 22, 22, 20, 21, 22, 21, + 22, 22, 20, 22, 22, 21, 19, 18, 20, 22, + 22, 21, 20, 19, 20, 20, 19, 19, 19, 18, + 19, 18, 19, 20, 19, 19, 18, 18, 18, 19, + 18, 18, 18, 17, 19, 18, 18, 17, 18, 18, + 18, 17, 17, 17, 17, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 15, 16, 15, 15, 15, 15, + 15, 15, 15, 15, 14, 14, 14, 14, 14, 14, + 14, 14, 14, 13, 13, 13, 13, 13, 13, 13, + 13, 12, 12, 12, 12, 12, 12, 11, 11, 11, + 11, 11, 11, 10, 10, 10, 10, 10, 10, 9, + 9, 9, 9, 9, 8, 8, 8, 8, 7, 7, + 7, 6, 6, 5, 5, 4, 1, 3, 5, 5, + 6, 6, 7, 7, 7, 7, 8, 8, 8, 9, + 9, 9, 9, 9, 10, 10, 10, 10, 11, 11, + 11, 11, 11, 11, 11, 12, 12, 12, 12, 12, + 12, 13, 13, 13, 13, 13, 13, 13, 13, 13, + 14, 14, 14, 14, 14, 14, 14, 14, 15, 15, + 15, 15, 15, 15, 15, 15, 15, 15, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 17, 17, + 17, 17, 17, 17, 17, 17, 18, 17, 17, 17, + 17, 17, 17, 17, 19, 18, 18, 19, 18, 18, + 19, 18, 18, 18, 19, 18, 19, 19, 18, 20, + 20, 19, 19, 19, 19, 19, 19, 18, 19, 20, + 19, 19, 21, 20, 19, 20, 19, 19, 20, 20, + 22, 20, 22, 22, 21, 22, 22, 21, 21, 22, + 22, 20, 22, 22, 21, 22, 22, 22, 20, 22, + 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, + 22, 22, 22, 22, 21, 21, 22, 22, 22, 21, + 22, 21, 22, 22, 22, 22, 22, 22, 22, 22, + 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, + 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, + 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, + 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, + 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, + 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, + 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, + 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, + 22, 22 +}; + +static const uint32 s_svq1InterMeanCodes[512] = { + 90, 212, 213, 214, 215, 216, 217, 218, 219, 220, + 221, 222, 223, 224, 225, 226, 227, 228, 229, 230, + 232, 203, 233, 234, 231, 236, 237, 238, 239, 240, + 241, 242, 243, 244, 245, 246, 247, 248, 258, 235, + 249, 252, 253, 254, 256, 92, 96, 257, 113, 260, + 261, 251, 255, 134, 250, 124, 117, 259, 120, 211, + 123, 130, 210, 209, 208, 207, 206, 205, 204, 195, + 202, 201, 200, 199, 198, 197, 139, 196, 194, 193, + 192, 191, 190, 189, 188, 187, 186, 185, 97, 132, + 133, 134, 135, 136, 137, 138, 140, 141, 142, 143, + 144, 145, 146, 147, 148, 149, 150, 151, 152, 153, + 154, 155, 156, 157, 158, 159, 160, 161, 162, 163, + 164, 165, 166, 167, 168, 169, 170, 171, 127, 143, + 172, 173, 174, 175, 176, 177, 83, 144, 178, 145, + 179, 180, 84, 181, 182, 140, 52, 61, 85, 183, + 184, 139, 86, 61, 87, 88, 64, 67, 71, 42, + 46, 44, 70, 89, 73, 45, 56, 54, 57, 69, + 40, 48, 53, 32, 68, 50, 49, 31, 47, 46, + 45, 33, 34, 35, 36, 39, 35, 32, 29, 37, + 30, 36, 42, 38, 33, 41, 34, 35, 36, 27, + 26, 29, 31, 39, 23, 24, 25, 27, 28, 30, + 37, 32, 33, 19, 20, 21, 22, 23, 24, 25, + 26, 24, 23, 21, 20, 19, 18, 15, 16, 18, + 19, 27, 26, 14, 19, 15, 16, 17, 18, 13, + 20, 21, 12, 19, 15, 14, 16, 17, 12, 9, + 10, 8, 9, 9, 8, 5, 1, 3, 7, 6, + 11, 10, 14, 15, 11, 13, 11, 13, 12, 15, + 16, 17, 14, 18, 23, 20, 22, 21, 25, 24, + 23, 22, 21, 20, 17, 25, 26, 22, 29, 27, + 28, 32, 28, 35, 34, 33, 31, 30, 27, 29, + 36, 22, 26, 34, 29, 31, 21, 35, 24, 32, + 41, 40, 38, 37, 25, 28, 30, 23, 44, 43, + 28, 33, 45, 40, 31, 27, 26, 34, 45, 50, + 44, 39, 49, 51, 47, 43, 55, 42, 46, 48, + 41, 40, 38, 37, 47, 51, 52, 48, 58, 59, + 49, 60, 43, 41, 72, 39, 66, 65, 38, 82, + 81, 63, 62, 57, 60, 59, 58, 37, 56, 80, + 55, 54, 135, 79, 53, 78, 51, 50, 77, 76, + 131, 75, 129, 128, 142, 126, 125, 132, 141, 122, + 121, 74, 119, 118, 137, 116, 115, 114, 73, 112, + 111, 110, 109, 108, 107, 106, 105, 104, 103, 102, + 101, 100, 99, 98, 138, 136, 95, 94, 93, 133, + 91, 131, 89, 88, 87, 86, 85, 84, 83, 82, + 81, 80, 79, 78, 77, 76, 75, 74, 73, 72, + 71, 70, 69, 68, 67, 66, 65, 64, 63, 62, + 61, 60, 59, 58, 57, 56, 55, 54, 53, 52, + 51, 50, 49, 48, 47, 46, 45, 44, 43, 42, + 41, 40, 39, 38, 37, 36, 35, 34, 33, 32, + 31, 30, 29, 28, 27, 26, 25, 24, 23, 22, + 21, 20, 19, 18, 17, 16, 15, 14, 13, 12, + 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, + 1, 0 +}; + +static const byte s_svq1MotionComponentLengths[33] = { + 1, 2, 3, 4, 6, 7, 7, 7, 9, 9, + 9, 10, 10, 10, 10, 10, 10, 10, 10, 10, + 10, 10, 10, 10, 10, 11, 11, 11, 11, 11, + 11, 12, 12 +}; + +static const uint32 s_svq1MotionComponentCodes[33] = { + 1, 1, 1, 1, 3, 5, 4, 3, 11, 10, + 9, 17, 16, 15, 14, 13, 12, 11, 10, 9, + 8, 7, 6, 5, 4, 7, 6, 5, 4, 3, + 2, 3, 2 }; +} // End of namespace Video #endif -- cgit v1.2.3