From e2de64d6f1beb9e492daf5b886e19933c1fa41dd Mon Sep 17 00:00:00 2001 From: toma Date: Wed, 25 Nov 2009 17:56:58 +0000 Subject: Copy the KDE 3.5 branch to branches/trinity for new KDE 3.5 features. BUG:215923 git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/kdemultimedia@1054174 283d02a7-25f6-0310-bc7c-ecb5cbfe19da --- mpeglib/lib/mpegplay/decoderTables.cpp | 594 +++++++++++++++++++++++++++++++++ 1 file changed, 594 insertions(+) create mode 100644 mpeglib/lib/mpegplay/decoderTables.cpp (limited to 'mpeglib/lib/mpegplay/decoderTables.cpp') diff --git a/mpeglib/lib/mpegplay/decoderTables.cpp b/mpeglib/lib/mpegplay/decoderTables.cpp new file mode 100644 index 00000000..9ada4901 --- /dev/null +++ b/mpeglib/lib/mpegplay/decoderTables.cpp @@ -0,0 +1,594 @@ +/* + * decoders.c + * + * This file contains all the routines for Huffman decoding required in + * MPEG + * + */ + + +#include "decoderTables.h" + +using namespace std; + + +/* Decoding table for macroblock_address_increment */ +mb_addr_inc_entry mb_addr_inc[2048]; + +/* Decoding table for macroblock_type in predictive-coded pictures */ +mb_type_entry mb_type_P[64]; + +/* Decoding table for macroblock_type in bidirectionally-coded pictures */ +mb_type_entry mb_type_B[64]; + +/* Decoding table for motion vectors */ +motion_vectors_entry motion_vectors[2048]; + +/* Decoding table for coded_block_pattern */ + +coded_block_pattern_entry coded_block_pattern[512] = +{ {(unsigned int)MPGDECODE_ERROR, 0}, {(unsigned int)MPGDECODE_ERROR, 0}, {39, 9}, {27, 9}, {59, 9}, {55, 9}, {47, 9}, {31, 9}, + {58, 8}, {58, 8}, {54, 8}, {54, 8}, {46, 8}, {46, 8}, {30, 8}, {30, 8}, + {57, 8}, {57, 8}, {53, 8}, {53, 8}, {45, 8}, {45, 8}, {29, 8}, {29, 8}, + {38, 8}, {38, 8}, {26, 8}, {26, 8}, {37, 8}, {37, 8}, {25, 8}, {25, 8}, + {43, 8}, {43, 8}, {23, 8}, {23, 8}, {51, 8}, {51, 8}, {15, 8}, {15, 8}, + {42, 8}, {42, 8}, {22, 8}, {22, 8}, {50, 8}, {50, 8}, {14, 8}, {14, 8}, + {41, 8}, {41, 8}, {21, 8}, {21, 8}, {49, 8}, {49, 8}, {13, 8}, {13, 8}, + {35, 8}, {35, 8}, {19, 8}, {19, 8}, {11, 8}, {11, 8}, {7, 8}, {7, 8}, + {34, 7}, {34, 7}, {34, 7}, {34, 7}, {18, 7}, {18, 7}, {18, 7}, {18, 7}, + {10, 7}, {10, 7}, {10, 7}, {10, 7}, {6, 7}, {6, 7}, {6, 7}, {6, 7}, + {33, 7}, {33, 7}, {33, 7}, {33, 7}, {17, 7}, {17, 7}, {17, 7}, {17, 7}, + {9, 7}, {9, 7}, {9, 7}, {9, 7}, {5, 7}, {5, 7}, {5, 7}, {5, 7}, + {63, 6}, {63, 6}, {63, 6}, {63, 6}, {63, 6}, {63, 6}, {63, 6}, {63, 6}, + {3, 6}, {3, 6}, {3, 6}, {3, 6}, {3, 6}, {3, 6}, {3, 6}, {3, 6}, + {36, 6}, {36, 6}, {36, 6}, {36, 6}, {36, 6}, {36, 6}, {36, 6}, {36, 6}, + {24, 6}, {24, 6}, {24, 6}, {24, 6}, {24, 6}, {24, 6}, {24, 6}, {24, 6}, + {62, 5}, {62, 5}, {62, 5}, {62, 5}, {62, 5}, {62, 5}, {62, 5}, {62, 5}, + {62, 5}, {62, 5}, {62, 5}, {62, 5}, {62, 5}, {62, 5}, {62, 5}, {62, 5}, + {2, 5}, {2, 5}, {2, 5}, {2, 5}, {2, 5}, {2, 5}, {2, 5}, {2, 5}, + {2, 5}, {2, 5}, {2, 5}, {2, 5}, {2, 5}, {2, 5}, {2, 5}, {2, 5}, + {61, 5}, {61, 5}, {61, 5}, {61, 5}, {61, 5}, {61, 5}, {61, 5}, {61, 5}, + {61, 5}, {61, 5}, {61, 5}, {61, 5}, {61, 5}, {61, 5}, {61, 5}, {61, 5}, + {1, 5}, {1, 5}, {1, 5}, {1, 5}, {1, 5}, {1, 5}, {1, 5}, {1, 5}, + {1, 5}, {1, 5}, {1, 5}, {1, 5}, {1, 5}, {1, 5}, {1, 5}, {1, 5}, + {56, 5}, {56, 5}, {56, 5}, {56, 5}, {56, 5}, {56, 5}, {56, 5}, {56, 5}, + {56, 5}, {56, 5}, {56, 5}, {56, 5}, {56, 5}, {56, 5}, {56, 5}, {56, 5}, + {52, 5}, {52, 5}, {52, 5}, {52, 5}, {52, 5}, {52, 5}, {52, 5}, {52, 5}, + {52, 5}, {52, 5}, {52, 5}, {52, 5}, {52, 5}, {52, 5}, {52, 5}, {52, 5}, + {44, 5}, {44, 5}, {44, 5}, {44, 5}, {44, 5}, {44, 5}, {44, 5}, {44, 5}, + {44, 5}, {44, 5}, {44, 5}, {44, 5}, {44, 5}, {44, 5}, {44, 5}, {44, 5}, + {28, 5}, {28, 5}, {28, 5}, {28, 5}, {28, 5}, {28, 5}, {28, 5}, {28, 5}, + {28, 5}, {28, 5}, {28, 5}, {28, 5}, {28, 5}, {28, 5}, {28, 5}, {28, 5}, + {40, 5}, {40, 5}, {40, 5}, {40, 5}, {40, 5}, {40, 5}, {40, 5}, {40, 5}, + {40, 5}, {40, 5}, {40, 5}, {40, 5}, {40, 5}, {40, 5}, {40, 5}, {40, 5}, + {20, 5}, {20, 5}, {20, 5}, {20, 5}, {20, 5}, {20, 5}, {20, 5}, {20, 5}, + {20, 5}, {20, 5}, {20, 5}, {20, 5}, {20, 5}, {20, 5}, {20, 5}, {20, 5}, + {48, 5}, {48, 5}, {48, 5}, {48, 5}, {48, 5}, {48, 5}, {48, 5}, {48, 5}, + {48, 5}, {48, 5}, {48, 5}, {48, 5}, {48, 5}, {48, 5}, {48, 5}, {48, 5}, + {12, 5}, {12, 5}, {12, 5}, {12, 5}, {12, 5}, {12, 5}, {12, 5}, {12, 5}, + {12, 5}, {12, 5}, {12, 5}, {12, 5}, {12, 5}, {12, 5}, {12, 5}, {12, 5}, + {32, 4}, {32, 4}, {32, 4}, {32, 4}, {32, 4}, {32, 4}, {32, 4}, {32, 4}, + {32, 4}, {32, 4}, {32, 4}, {32, 4}, {32, 4}, {32, 4}, {32, 4}, {32, 4}, + {32, 4}, {32, 4}, {32, 4}, {32, 4}, {32, 4}, {32, 4}, {32, 4}, {32, 4}, + {32, 4}, {32, 4}, {32, 4}, {32, 4}, {32, 4}, {32, 4}, {32, 4}, {32, 4}, + {16, 4}, {16, 4}, {16, 4}, {16, 4}, {16, 4}, {16, 4}, {16, 4}, {16, 4}, + {16, 4}, {16, 4}, {16, 4}, {16, 4}, {16, 4}, {16, 4}, {16, 4}, {16, 4}, + {16, 4}, {16, 4}, {16, 4}, {16, 4}, {16, 4}, {16, 4}, {16, 4}, {16, 4}, + {16, 4}, {16, 4}, {16, 4}, {16, 4}, {16, 4}, {16, 4}, {16, 4}, {16, 4}, + {8, 4}, {8, 4}, {8, 4}, {8, 4}, {8, 4}, {8, 4}, {8, 4}, {8, 4}, + {8, 4}, {8, 4}, {8, 4}, {8, 4}, {8, 4}, {8, 4}, {8, 4}, {8, 4}, + {8, 4}, {8, 4}, {8, 4}, {8, 4}, {8, 4}, {8, 4}, {8, 4}, {8, 4}, + {8, 4}, {8, 4}, {8, 4}, {8, 4}, {8, 4}, {8, 4}, {8, 4}, {8, 4}, + {4, 4}, {4, 4}, {4, 4}, {4, 4}, {4, 4}, {4, 4}, {4, 4}, {4, 4}, + {4, 4}, {4, 4}, {4, 4}, {4, 4}, {4, 4}, {4, 4}, {4, 4}, {4, 4}, + {4, 4}, {4, 4}, {4, 4}, {4, 4}, {4, 4}, {4, 4}, {4, 4}, {4, 4}, + {4, 4}, {4, 4}, {4, 4}, {4, 4}, {4, 4}, {4, 4}, {4, 4}, {4, 4}, + {60, 3}, {60, 3}, {60, 3}, {60, 3}, {60, 3}, {60, 3}, {60, 3}, {60, 3}, + {60, 3}, {60, 3}, {60, 3}, {60, 3}, {60, 3}, {60, 3}, {60, 3}, {60, 3}, + {60, 3}, {60, 3}, {60, 3}, {60, 3}, {60, 3}, {60, 3}, {60, 3}, {60, 3}, + {60, 3}, {60, 3}, {60, 3}, {60, 3}, {60, 3}, {60, 3}, {60, 3}, {60, 3}, + {60, 3}, {60, 3}, {60, 3}, {60, 3}, {60, 3}, {60, 3}, {60, 3}, {60, 3}, + {60, 3}, {60, 3}, {60, 3}, {60, 3}, {60, 3}, {60, 3}, {60, 3}, {60, 3}, + {60, 3}, {60, 3}, {60, 3}, {60, 3}, {60, 3}, {60, 3}, {60, 3}, {60, 3}, + {60, 3}, {60, 3}, {60, 3}, {60, 3}, {60, 3}, {60, 3}, {60, 3}, {60, 3} +}; + +/* Decoding tables for dct_dc_size_luminance */ +dct_dc_size_entry dct_dc_size_luminance[32] = +{ {1, 2}, {1, 2}, {1, 2}, {1, 2}, {1, 2}, {1, 2}, {1, 2}, {1, 2}, + {2, 2}, {2, 2}, {2, 2}, {2, 2}, {2, 2}, {2, 2}, {2, 2}, {2, 2}, + {0, 3}, {0, 3}, {0, 3}, {0, 3}, {3, 3}, {3, 3}, {3, 3}, {3, 3}, + {4, 3}, {4, 3}, {4, 3}, {4, 3}, {5, 4}, {5, 4}, {6, 5}, {(unsigned int)MPGDECODE_ERROR, 0} +}; + +dct_dc_size_entry dct_dc_size_luminance1[16] = +{ {7, 6}, {7, 6}, {7, 6}, {7, 6}, {7, 6}, {7, 6}, {7, 6}, {7, 6}, + {8, 7}, {8, 7}, {8, 7}, {8, 7}, {9, 8}, {9, 8}, {10, 9}, {11, 9} +}; + +/* Decoding table for dct_dc_size_chrominance */ +dct_dc_size_entry dct_dc_size_chrominance[32] = +{ {0, 2}, {0, 2}, {0, 2}, {0, 2}, {0, 2}, {0, 2}, {0, 2}, {0, 2}, + {1, 2}, {1, 2}, {1, 2}, {1, 2}, {1, 2}, {1, 2}, {1, 2}, {1, 2}, + {2, 2}, {2, 2}, {2, 2}, {2, 2}, {2, 2}, {2, 2}, {2, 2}, {2, 2}, + {3, 3}, {3, 3}, {3, 3}, {3, 3}, {4, 4}, {4, 4}, {5, 5}, {(unsigned int)MPGDECODE_ERROR, 0} +}; + +dct_dc_size_entry dct_dc_size_chrominance1[32] = +{ {6, 6}, {6, 6}, {6, 6}, {6, 6}, {6, 6}, {6, 6}, {6, 6}, {6, 6}, + {6, 6}, {6, 6}, {6, 6}, {6, 6}, {6, 6}, {6, 6}, {6, 6}, {6, 6}, + {7, 7}, {7, 7}, {7, 7}, {7, 7}, {7, 7}, {7, 7}, {7, 7}, {7, 7}, + {8, 8}, {8, 8}, {8, 8}, {8, 8}, {9, 9}, {9, 9}, {10, 10}, {11, 10} +}; + +/* DCT coeff tables. */ + +unsigned short int dct_coeff_tbl_0[256] = +{ +0xffff, 0xffff, 0xffff, 0xffff, +0xffff, 0xffff, 0xffff, 0xffff, +0xffff, 0xffff, 0xffff, 0xffff, +0xffff, 0xffff, 0xffff, 0xffff, +0x052f, 0x051f, 0x050f, 0x04ff, +0x183f, 0x402f, 0x3c2f, 0x382f, +0x342f, 0x302f, 0x2c2f, 0x7c1f, +0x781f, 0x741f, 0x701f, 0x6c1f, +0x028e, 0x028e, 0x027e, 0x027e, +0x026e, 0x026e, 0x025e, 0x025e, +0x024e, 0x024e, 0x023e, 0x023e, +0x022e, 0x022e, 0x021e, 0x021e, +0x020e, 0x020e, 0x04ee, 0x04ee, +0x04de, 0x04de, 0x04ce, 0x04ce, +0x04be, 0x04be, 0x04ae, 0x04ae, +0x049e, 0x049e, 0x048e, 0x048e, +0x01fd, 0x01fd, 0x01fd, 0x01fd, +0x01ed, 0x01ed, 0x01ed, 0x01ed, +0x01dd, 0x01dd, 0x01dd, 0x01dd, +0x01cd, 0x01cd, 0x01cd, 0x01cd, +0x01bd, 0x01bd, 0x01bd, 0x01bd, +0x01ad, 0x01ad, 0x01ad, 0x01ad, +0x019d, 0x019d, 0x019d, 0x019d, +0x018d, 0x018d, 0x018d, 0x018d, +0x017d, 0x017d, 0x017d, 0x017d, +0x016d, 0x016d, 0x016d, 0x016d, +0x015d, 0x015d, 0x015d, 0x015d, +0x014d, 0x014d, 0x014d, 0x014d, +0x013d, 0x013d, 0x013d, 0x013d, +0x012d, 0x012d, 0x012d, 0x012d, +0x011d, 0x011d, 0x011d, 0x011d, +0x010d, 0x010d, 0x010d, 0x010d, +0x282c, 0x282c, 0x282c, 0x282c, +0x282c, 0x282c, 0x282c, 0x282c, +0x242c, 0x242c, 0x242c, 0x242c, +0x242c, 0x242c, 0x242c, 0x242c, +0x143c, 0x143c, 0x143c, 0x143c, +0x143c, 0x143c, 0x143c, 0x143c, +0x0c4c, 0x0c4c, 0x0c4c, 0x0c4c, +0x0c4c, 0x0c4c, 0x0c4c, 0x0c4c, +0x085c, 0x085c, 0x085c, 0x085c, +0x085c, 0x085c, 0x085c, 0x085c, +0x047c, 0x047c, 0x047c, 0x047c, +0x047c, 0x047c, 0x047c, 0x047c, +0x046c, 0x046c, 0x046c, 0x046c, +0x046c, 0x046c, 0x046c, 0x046c, +0x00fc, 0x00fc, 0x00fc, 0x00fc, +0x00fc, 0x00fc, 0x00fc, 0x00fc, +0x00ec, 0x00ec, 0x00ec, 0x00ec, +0x00ec, 0x00ec, 0x00ec, 0x00ec, +0x00dc, 0x00dc, 0x00dc, 0x00dc, +0x00dc, 0x00dc, 0x00dc, 0x00dc, +0x00cc, 0x00cc, 0x00cc, 0x00cc, +0x00cc, 0x00cc, 0x00cc, 0x00cc, +0x681c, 0x681c, 0x681c, 0x681c, +0x681c, 0x681c, 0x681c, 0x681c, +0x641c, 0x641c, 0x641c, 0x641c, +0x641c, 0x641c, 0x641c, 0x641c, +0x601c, 0x601c, 0x601c, 0x601c, +0x601c, 0x601c, 0x601c, 0x601c, +0x5c1c, 0x5c1c, 0x5c1c, 0x5c1c, +0x5c1c, 0x5c1c, 0x5c1c, 0x5c1c, +0x581c, 0x581c, 0x581c, 0x581c, +0x581c, 0x581c, 0x581c, 0x581c, +}; + +unsigned short int dct_coeff_tbl_1[16] = +{ +0x00bb, 0x202b, 0x103b, 0x00ab, +0x084b, 0x1c2b, 0x541b, 0x501b, +0x009b, 0x4c1b, 0x481b, 0x045b, +0x0c3b, 0x008b, 0x182b, 0x441b, +}; + +unsigned short int dct_coeff_tbl_2[4] = +{ +0x4019, 0x1429, 0x0079, 0x0839, +}; + +unsigned short int dct_coeff_tbl_3[4] = +{ +0x0449, 0x3c19, 0x3819, 0x1029, +}; + +unsigned short int dct_coeff_next[256] = +{ +0xffff, 0xffff, 0xffff, 0xffff, +0xf7d5, 0xf7d5, 0xf7d5, 0xf7d5, +0x0826, 0x0826, 0x2416, 0x2416, +0x0046, 0x0046, 0x2016, 0x2016, +0x1c15, 0x1c15, 0x1c15, 0x1c15, +0x1815, 0x1815, 0x1815, 0x1815, +0x0425, 0x0425, 0x0425, 0x0425, +0x1415, 0x1415, 0x1415, 0x1415, +0x3417, 0x0067, 0x3017, 0x2c17, +0x0c27, 0x0437, 0x0057, 0x2817, +0x0034, 0x0034, 0x0034, 0x0034, +0x0034, 0x0034, 0x0034, 0x0034, +0x1014, 0x1014, 0x1014, 0x1014, +0x1014, 0x1014, 0x1014, 0x1014, +0x0c14, 0x0c14, 0x0c14, 0x0c14, +0x0c14, 0x0c14, 0x0c14, 0x0c14, +0x0023, 0x0023, 0x0023, 0x0023, +0x0023, 0x0023, 0x0023, 0x0023, +0x0023, 0x0023, 0x0023, 0x0023, +0x0023, 0x0023, 0x0023, 0x0023, +0x0813, 0x0813, 0x0813, 0x0813, +0x0813, 0x0813, 0x0813, 0x0813, +0x0813, 0x0813, 0x0813, 0x0813, +0x0813, 0x0813, 0x0813, 0x0813, +0x0412, 0x0412, 0x0412, 0x0412, +0x0412, 0x0412, 0x0412, 0x0412, +0x0412, 0x0412, 0x0412, 0x0412, +0x0412, 0x0412, 0x0412, 0x0412, +0x0412, 0x0412, 0x0412, 0x0412, +0x0412, 0x0412, 0x0412, 0x0412, +0x0412, 0x0412, 0x0412, 0x0412, +0x0412, 0x0412, 0x0412, 0x0412, +0xfbe1, 0xfbe1, 0xfbe1, 0xfbe1, +0xfbe1, 0xfbe1, 0xfbe1, 0xfbe1, +0xfbe1, 0xfbe1, 0xfbe1, 0xfbe1, +0xfbe1, 0xfbe1, 0xfbe1, 0xfbe1, +0xfbe1, 0xfbe1, 0xfbe1, 0xfbe1, +0xfbe1, 0xfbe1, 0xfbe1, 0xfbe1, +0xfbe1, 0xfbe1, 0xfbe1, 0xfbe1, +0xfbe1, 0xfbe1, 0xfbe1, 0xfbe1, +0xfbe1, 0xfbe1, 0xfbe1, 0xfbe1, +0xfbe1, 0xfbe1, 0xfbe1, 0xfbe1, +0xfbe1, 0xfbe1, 0xfbe1, 0xfbe1, +0xfbe1, 0xfbe1, 0xfbe1, 0xfbe1, +0xfbe1, 0xfbe1, 0xfbe1, 0xfbe1, +0xfbe1, 0xfbe1, 0xfbe1, 0xfbe1, +0xfbe1, 0xfbe1, 0xfbe1, 0xfbe1, +0xfbe1, 0xfbe1, 0xfbe1, 0xfbe1, +0x0011, 0x0011, 0x0011, 0x0011, +0x0011, 0x0011, 0x0011, 0x0011, +0x0011, 0x0011, 0x0011, 0x0011, +0x0011, 0x0011, 0x0011, 0x0011, +0x0011, 0x0011, 0x0011, 0x0011, +0x0011, 0x0011, 0x0011, 0x0011, +0x0011, 0x0011, 0x0011, 0x0011, +0x0011, 0x0011, 0x0011, 0x0011, +0x0011, 0x0011, 0x0011, 0x0011, +0x0011, 0x0011, 0x0011, 0x0011, +0x0011, 0x0011, 0x0011, 0x0011, +0x0011, 0x0011, 0x0011, 0x0011, +0x0011, 0x0011, 0x0011, 0x0011, +0x0011, 0x0011, 0x0011, 0x0011, +0x0011, 0x0011, 0x0011, 0x0011, +0x0011, 0x0011, 0x0011, 0x0011, +}; + +unsigned short int dct_coeff_first[256] = +{ +0xffff, 0xffff, 0xffff, 0xffff, +0xf7d5, 0xf7d5, 0xf7d5, 0xf7d5, +0x0826, 0x0826, 0x2416, 0x2416, +0x0046, 0x0046, 0x2016, 0x2016, +0x1c15, 0x1c15, 0x1c15, 0x1c15, +0x1815, 0x1815, 0x1815, 0x1815, +0x0425, 0x0425, 0x0425, 0x0425, +0x1415, 0x1415, 0x1415, 0x1415, +0x3417, 0x0067, 0x3017, 0x2c17, +0x0c27, 0x0437, 0x0057, 0x2817, +0x0034, 0x0034, 0x0034, 0x0034, +0x0034, 0x0034, 0x0034, 0x0034, +0x1014, 0x1014, 0x1014, 0x1014, +0x1014, 0x1014, 0x1014, 0x1014, +0x0c14, 0x0c14, 0x0c14, 0x0c14, +0x0c14, 0x0c14, 0x0c14, 0x0c14, +0x0023, 0x0023, 0x0023, 0x0023, +0x0023, 0x0023, 0x0023, 0x0023, +0x0023, 0x0023, 0x0023, 0x0023, +0x0023, 0x0023, 0x0023, 0x0023, +0x0813, 0x0813, 0x0813, 0x0813, +0x0813, 0x0813, 0x0813, 0x0813, +0x0813, 0x0813, 0x0813, 0x0813, +0x0813, 0x0813, 0x0813, 0x0813, +0x0412, 0x0412, 0x0412, 0x0412, +0x0412, 0x0412, 0x0412, 0x0412, +0x0412, 0x0412, 0x0412, 0x0412, +0x0412, 0x0412, 0x0412, 0x0412, +0x0412, 0x0412, 0x0412, 0x0412, +0x0412, 0x0412, 0x0412, 0x0412, +0x0412, 0x0412, 0x0412, 0x0412, +0x0412, 0x0412, 0x0412, 0x0412, +0x0010, 0x0010, 0x0010, 0x0010, +0x0010, 0x0010, 0x0010, 0x0010, +0x0010, 0x0010, 0x0010, 0x0010, +0x0010, 0x0010, 0x0010, 0x0010, +0x0010, 0x0010, 0x0010, 0x0010, +0x0010, 0x0010, 0x0010, 0x0010, +0x0010, 0x0010, 0x0010, 0x0010, +0x0010, 0x0010, 0x0010, 0x0010, +0x0010, 0x0010, 0x0010, 0x0010, +0x0010, 0x0010, 0x0010, 0x0010, +0x0010, 0x0010, 0x0010, 0x0010, +0x0010, 0x0010, 0x0010, 0x0010, +0x0010, 0x0010, 0x0010, 0x0010, +0x0010, 0x0010, 0x0010, 0x0010, +0x0010, 0x0010, 0x0010, 0x0010, +0x0010, 0x0010, 0x0010, 0x0010, +0x0010, 0x0010, 0x0010, 0x0010, +0x0010, 0x0010, 0x0010, 0x0010, +0x0010, 0x0010, 0x0010, 0x0010, +0x0010, 0x0010, 0x0010, 0x0010, +0x0010, 0x0010, 0x0010, 0x0010, +0x0010, 0x0010, 0x0010, 0x0010, +0x0010, 0x0010, 0x0010, 0x0010, +0x0010, 0x0010, 0x0010, 0x0010, +0x0010, 0x0010, 0x0010, 0x0010, +0x0010, 0x0010, 0x0010, 0x0010, +0x0010, 0x0010, 0x0010, 0x0010, +0x0010, 0x0010, 0x0010, 0x0010, +0x0010, 0x0010, 0x0010, 0x0010, +0x0010, 0x0010, 0x0010, 0x0010, +0x0010, 0x0010, 0x0010, 0x0010, +0x0010, 0x0010, 0x0010, 0x0010, +}; + +/* Macro for filling up the decoding table for mb_addr_inc */ +#define ASSIGN1(start, end, step, val, num) \ + for (i = start; i < end; i+= step) { \ + for (j = 0; j < step; j++) { \ + mb_addr_inc[i+j].value = val; \ + mb_addr_inc[i+j].num_bits = num; \ + } \ + val--; \ + } + + + +/* + *-------------------------------------------------------------- + * + * init_mb_addr_inc -- + * + * Initialize the VLC decoding table for macro_block_address_increment + * + * Results: + * The decoding table for macro_block_address_increment will + * be filled; illegal values will be filled as MPGDECODE_ERROR. + * + * Side effects: + * The global array mb_addr_inc will be filled. + * + *-------------------------------------------------------------- + */ +static void init_mb_addr_inc() +{ + int i, j, val; + + for (i = 0; i < 8; i++) { + mb_addr_inc[i].value = MPGDECODE_ERROR; + mb_addr_inc[i].num_bits = 0; + } + + mb_addr_inc[8].value = MACRO_BLOCK_ESCAPE; + mb_addr_inc[8].num_bits = 11; + + for (i = 9; i < 15; i++) { + mb_addr_inc[i].value = MPGDECODE_ERROR; + mb_addr_inc[i].num_bits = 0; + } + + mb_addr_inc[15].value = MACRO_BLOCK_STUFFING; + mb_addr_inc[15].num_bits = 11; + + for (i = 16; i < 24; i++) { + mb_addr_inc[i].value = MPGDECODE_ERROR; + mb_addr_inc[i].num_bits = 0; + } + + val = 33; + + ASSIGN1(24, 36, 1, val, 11); + ASSIGN1(36, 48, 2, val, 10); + ASSIGN1(48, 96, 8, val, 8); + ASSIGN1(96, 128, 16, val, 7); + ASSIGN1(128, 256, 64, val, 5); + ASSIGN1(256, 512, 128, val, 4); + ASSIGN1(512, 1024, 256, val, 3); + ASSIGN1(1024, 2048, 1024, val, 1); +} + + +/* Macro for filling up the decoding table for mb_type */ +#define ASSIGN2(start, end, quant, motion_forward, motion_backward, pattern, intra, num, mb_type) \ + for (i = start; i < end; i ++) { \ + mb_type[i].mb_quant = quant; \ + mb_type[i].mb_motion_forward = motion_forward; \ + mb_type[i].mb_motion_backward = motion_backward; \ + mb_type[i].mb_pattern = pattern; \ + mb_type[i].mb_intra = intra; \ + mb_type[i].num_bits = num; \ + } + + + +/* + *-------------------------------------------------------------- + * + * init_mb_type_P -- + * + * Initialize the VLC decoding table for macro_block_type in + * predictive-coded pictures. + * + * Results: + * The decoding table for macro_block_type in predictive-coded + * pictures will be filled; illegal values will be filled as MPGDECODE_ERROR. + * + * Side effects: + * The global array mb_type_P will be filled. + * + *-------------------------------------------------------------- + */ +static void init_mb_type_P() { + int i; + + mb_type_P[0].mb_quant = mb_type_P[0].mb_motion_forward + = mb_type_P[0].mb_motion_backward = mb_type_P[0].mb_pattern + = mb_type_P[0].mb_intra = (unsigned int)MPGDECODE_ERROR; + mb_type_P[0].num_bits = 0; + + ASSIGN2(1, 2, 1, 0, 0, 0, 1, 6, mb_type_P) + ASSIGN2(2, 4, 1, 0, 0, 1, 0, 5, mb_type_P) + ASSIGN2(4, 6, 1, 1, 0, 1, 0, 5, mb_type_P); + ASSIGN2(6, 8, 0, 0, 0, 0, 1, 5, mb_type_P); + ASSIGN2(8, 16, 0, 1, 0, 0, 0, 3, mb_type_P); + ASSIGN2(16, 32, 0, 0, 0, 1, 0, 2, mb_type_P); + ASSIGN2(32, 64, 0, 1, 0, 1, 0, 1, mb_type_P); +} + + + + +/* + *-------------------------------------------------------------- + * + * init_mb_type_B -- + * + * Initialize the VLC decoding table for macro_block_type in + * bidirectionally-coded pictures. + * + * Results: + * The decoding table for macro_block_type in bidirectionally-coded + * pictures will be filled; illegal values will be filled as MPGDECODE_ERROR. + * + * Side effects: + * The global array mb_type_B will be filled. + * + *-------------------------------------------------------------- + */ +static void init_mb_type_B() { + int i; + + mb_type_B[0].mb_quant = mb_type_B[0].mb_motion_forward + = mb_type_B[0].mb_motion_backward = mb_type_B[0].mb_pattern + = mb_type_B[0].mb_intra = (unsigned int) MPGDECODE_ERROR; + mb_type_B[0].num_bits = 0; + + ASSIGN2(1, 2, 1, 0, 0, 0, 1, 6, mb_type_B); + ASSIGN2(2, 3, 1, 0, 1, 1, 0, 6, mb_type_B); + ASSIGN2(3, 4, 1, 1, 0, 1, 0, 6, mb_type_B); + ASSIGN2(4, 6, 1, 1, 1, 1, 0, 5, mb_type_B); + ASSIGN2(6, 8, 0, 0, 0, 0, 1, 5, mb_type_B); + ASSIGN2(8, 12, 0, 1, 0, 0, 0, 4, mb_type_B); + ASSIGN2(12, 16, 0, 1, 0, 1, 0, 4, mb_type_B); + ASSIGN2(16, 24, 0, 0, 1, 0, 0, 3, mb_type_B); + ASSIGN2(24, 32, 0, 0, 1, 1, 0, 3, mb_type_B); + ASSIGN2(32, 48, 0, 1, 1, 0, 0, 2, mb_type_B); + ASSIGN2(48, 64, 0, 1, 1, 1, 0, 2, mb_type_B); +} + + +/* Macro for filling up the decoding tables for motion_vectors */ +#define ASSIGN3(start, end, step, val, num) \ + for (i = start; i < end; i+= step) { \ + for (j = 0; j < step / 2; j++) { \ + motion_vectors[i+j].code = val; \ + motion_vectors[i+j].num_bits = num; \ + } \ + for (j = step / 2; j < step; j++) { \ + motion_vectors[i+j].code = -val; \ + motion_vectors[i+j].num_bits = num; \ + } \ + val--; \ + } + + + +/* + *-------------------------------------------------------------- + * + * init_motion_vectors -- + * + * Initialize the VLC decoding table for the various motion + * vectors, including motion_horizontal_forward_code, + * motion_vertical_forward_code, motion_horizontal_backward_code, + * and motion_vertical_backward_code. + * + * Results: + * The decoding table for the motion vectors will be filled; + * illegal values will be filled as MPGDECODE_ERROR. + * + * Side effects: + * The global array motion_vector will be filled. + * + *-------------------------------------------------------------- + */ +static void init_motion_vectors() +{ + int i, j, val = 16; + + for (i = 0; i < 24; i++) { + motion_vectors[i].code = MPGDECODE_ERROR; + motion_vectors[i].num_bits = 0; + } + + ASSIGN3(24, 36, 2, val, 11); + ASSIGN3(36, 48, 4, val, 10); + ASSIGN3(48, 96, 16, val, 8); + ASSIGN3(96, 128, 32, val, 7); + ASSIGN3(128, 256, 128, val, 5); + ASSIGN3(256, 512, 256, val, 4); + ASSIGN3(512, 1024, 512, val, 3); + ASSIGN3(1024, 2048, 1024, val, 1); +} + + + +extern void init_pre_idct(); + + +/* + *-------------------------------------------------------------- + * + * init_tables -- + * + * Initialize all the tables for VLC decoding; this must be + * called when the system is set up before any decoding can + * take place. + * + * Results: + * All the decoding tables will be filled accordingly. + * + * Side effects: + * The corresponding global array for each decoding table + * will be filled. + * + *-------------------------------------------------------------- + */ +void init_tables() { + + init_mb_addr_inc(); + init_mb_type_P(); + init_mb_type_B(); + init_motion_vectors(); + + if (qualityFlag) { + cout << "qualityFlag in init_tables float idct removed"<