11 |
{ |
{ |
12 |
uint32_t code; |
uint32_t code; |
13 |
int8_t len; |
int8_t len; |
14 |
} VLC; |
} |
15 |
|
VLC; |
16 |
|
|
17 |
static VLC *DCT3D[2]; |
static VLC *DCT3D[2]; |
18 |
|
|
970 |
|
|
971 |
static const VLC mcbpc_inter_table[257] = { |
static const VLC mcbpc_inter_table[257] = { |
972 |
{VLC_ERROR,0}, |
{VLC_ERROR,0}, |
973 |
{255,9}, {52,9}, {36,9}, {20,9}, {49,9}, {35,8}, {35,8}, {19,8}, {19,8}, |
{255, 9}, {52, 9}, {36, 9}, {20, 9}, {49, 9}, {35, 8}, {35, 8}, {19, 8}, |
974 |
{50,8}, {50,8}, {51,7}, {51,7}, {51,7}, {51,7}, {34,7}, {34,7}, {34,7}, |
{19, 8}, |
975 |
{34,7}, {18,7}, {18,7}, {18,7}, {18,7}, {33,7}, {33,7}, {33,7}, {33,7}, |
{50, 8}, {50, 8}, {51, 7}, {51, 7}, {51, 7}, {51, 7}, {34, 7}, {34, 7}, |
976 |
|
{34, 7}, |
977 |
|
{34, 7}, {18, 7}, {18, 7}, {18, 7}, {18, 7}, {33, 7}, {33, 7}, {33, 7}, |
978 |
|
{33, 7}, |
979 |
{17,7}, {17,7}, {17,7}, {17,7}, {4,6}, {4,6}, {4,6}, {4,6}, {4,6}, |
{17,7}, {17,7}, {17,7}, {17,7}, {4,6}, {4,6}, {4,6}, {4,6}, {4,6}, |
980 |
{4,6}, {4,6}, {4,6}, {48,6}, {48,6}, {48,6}, {48,6}, {48,6}, {48,6}, |
{4, 6}, {4, 6}, {4, 6}, {48, 6}, {48, 6}, {48, 6}, {48, 6}, {48, 6}, {48, |
981 |
|
6}, |
982 |
{48,6}, {48,6}, {3,5}, {3,5}, {3,5}, {3,5}, {3,5}, {3,5}, {3,5}, |
{48,6}, {48,6}, {3,5}, {3,5}, {3,5}, {3,5}, {3,5}, {3,5}, {3,5}, |
983 |
{3,5}, {3,5}, {3,5}, {3,5}, {3,5}, {3,5}, {3,5}, {3,5}, {3,5}, |
{3,5}, {3,5}, {3,5}, {3,5}, {3,5}, {3,5}, {3,5}, {3,5}, {3,5}, |
984 |
{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}, |
985 |
{32,4}, {32,4}, {32,4}, {32,4}, {32,4}, {32,4}, {32,4}, {32,4}, {32,4}, |
{32, 4}, |
986 |
{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}, |
987 |
{32,4}, {32,4}, {32,4}, {32,4}, {32,4}, {16,4}, {16,4}, {16,4}, {16,4}, |
{32, 4}, |
988 |
{16,4}, {16,4}, {16,4}, {16,4}, {16,4}, {16,4}, {16,4}, {16,4}, {16,4}, |
{32, 4}, {32, 4}, {32, 4}, {32, 4}, {32, 4}, {32, 4}, {32, 4}, {32, 4}, |
989 |
{16,4}, {16,4}, {16,4}, {16,4}, {16,4}, {16,4}, {16,4}, {16,4}, {16,4}, |
{32, 4}, |
990 |
{16,4}, {16,4}, {16,4}, {16,4}, {16,4}, {16,4}, {16,4}, {16,4}, {16,4}, |
{32, 4}, {32, 4}, {32, 4}, {32, 4}, {32, 4}, {16, 4}, {16, 4}, {16, 4}, |
991 |
|
{16, 4}, |
992 |
|
{16, 4}, {16, 4}, {16, 4}, {16, 4}, {16, 4}, {16, 4}, {16, 4}, {16, 4}, |
993 |
|
{16, 4}, |
994 |
|
{16, 4}, {16, 4}, {16, 4}, {16, 4}, {16, 4}, {16, 4}, {16, 4}, {16, 4}, |
995 |
|
{16, 4}, |
996 |
|
{16, 4}, {16, 4}, {16, 4}, {16, 4}, {16, 4}, {16, 4}, {16, 4}, {16, 4}, |
997 |
|
{16, 4}, |
998 |
{16,4}, {2,3}, {2,3}, {2,3}, {2,3}, {2,3}, {2,3}, {2,3}, {2,3}, |
{16,4}, {2,3}, {2,3}, {2,3}, {2,3}, {2,3}, {2,3}, {2,3}, {2,3}, |
999 |
{2,3}, {2,3}, {2,3}, {2,3}, {2,3}, {2,3}, {2,3}, {2,3}, {2,3}, |
{2,3}, {2,3}, {2,3}, {2,3}, {2,3}, {2,3}, {2,3}, {2,3}, {2,3}, |
1000 |
{2,3}, {2,3}, {2,3}, {2,3}, {2,3}, {2,3}, {2,3}, {2,3}, {2,3}, |
{2,3}, {2,3}, {2,3}, {2,3}, {2,3}, {2,3}, {2,3}, {2,3}, {2,3}, |
1012 |
{1,3}, {1,3}, {1,3}, {0,1} |
{1,3}, {1,3}, {1,3}, {0,1} |
1013 |
}; |
}; |
1014 |
|
|
1015 |
static const VLC cbpy_table[64] = |
static const VLC cbpy_table[64] = { |
|
{ |
|
1016 |
{-1,0}, {-1,0}, {6,6}, {9,6}, {8,5}, {8,5}, {4,5}, {4,5}, |
{-1,0}, {-1,0}, {6,6}, {9,6}, {8,5}, {8,5}, {4,5}, {4,5}, |
1017 |
{2,5}, {2,5}, {1,5}, {1,5}, {0,4}, {0,4}, {0,4}, {0,4}, |
{2,5}, {2,5}, {1,5}, {1,5}, {0,4}, {0,4}, {0,4}, {0,4}, |
1018 |
{12,4}, {12,4}, {12,4}, {12,4}, {10,4}, {10,4}, {10,4}, {10,4}, |
{12,4}, {12,4}, {12,4}, {12,4}, {10,4}, {10,4}, {10,4}, {10,4}, |
1026 |
|
|
1027 |
|
|
1028 |
VLC TMNMVtab0[] = { |
VLC TMNMVtab0[] = { |
1029 |
{3,4}, {-3,4}, {2,3}, {2,3}, {-2,3}, {-2,3}, {1,2}, {1,2}, {1,2}, {1,2}, |
{3, 4}, {-3, 4}, {2, 3}, {2, 3}, {-2, 3}, {-2, 3}, {1, 2}, {1, 2}, {1, 2}, |
1030 |
|
{1, 2}, |
1031 |
{-1,2}, {-1,2}, {-1,2}, {-1,2} |
{-1,2}, {-1,2}, {-1,2}, {-1,2} |
1032 |
}; |
}; |
1033 |
|
|
1034 |
VLC TMNMVtab1[] = { |
VLC TMNMVtab1[] = { |
1035 |
{12,10}, {-12,10}, {11,10}, {-11,10}, {10,9}, {10,9}, {-10,9}, {-10,9}, |
{12, 10}, {-12, 10}, {11, 10}, {-11, 10}, {10, 9}, {10, 9}, {-10, 9}, {-10, |
1036 |
{9,9}, {9,9}, {-9,9}, {-9,9}, {8,9}, {8,9}, {-8,9}, {-8,9}, {7,7}, {7,7}, |
9}, |
1037 |
{7,7}, {7,7}, {7,7}, {7,7}, {7,7}, {7,7}, {-7,7}, {-7,7}, {-7,7}, {-7,7}, |
{9, 9}, {9, 9}, {-9, 9}, {-9, 9}, {8, 9}, {8, 9}, {-8, 9}, {-8, 9}, {7, 7}, |
1038 |
{-7,7}, {-7,7}, {-7,7}, {-7,7}, {6,7}, {6,7}, {6,7}, {6,7}, {6,7}, {6,7}, |
{7, 7}, |
1039 |
{6,7}, {6,7}, {-6,7}, {-6,7}, {-6,7}, {-6,7}, {-6,7}, {-6,7}, {-6,7}, |
{7, 7}, {7, 7}, {7, 7}, {7, 7}, {7, 7}, {7, 7}, {-7, 7}, {-7, 7}, {-7, 7}, |
1040 |
{-6,7}, {5,7}, {5,7}, {5,7}, {5,7}, {5,7}, {5,7}, {5,7}, {5,7}, {-5,7}, |
{-7, 7}, |
1041 |
{-5,7}, {-5,7}, {-5,7}, {-5,7}, {-5,7}, {-5,7}, {-5,7}, {4,6}, {4,6}, {4,6}, |
{-7, 7}, {-7, 7}, {-7, 7}, {-7, 7}, {6, 7}, {6, 7}, {6, 7}, {6, 7}, {6, 7}, |
1042 |
{4,6}, {4,6}, {4,6}, {4,6}, {4,6}, {4,6}, {4,6}, {4,6}, {4,6}, {4,6}, {4,6}, |
{6, 7}, |
1043 |
{4,6}, {4,6}, {-4,6}, {-4,6}, {-4,6}, {-4,6}, {-4,6}, {-4,6}, {-4,6}, |
{6, 7}, {6, 7}, {-6, 7}, {-6, 7}, {-6, 7}, {-6, 7}, {-6, 7}, {-6, 7}, {-6, |
1044 |
{-4,6}, {-4,6}, {-4,6}, {-4,6}, {-4,6}, {-4,6}, {-4,6}, {-4,6}, {-4,6} |
7}, |
1045 |
|
{-6, 7}, {5, 7}, {5, 7}, {5, 7}, {5, 7}, {5, 7}, {5, 7}, {5, 7}, {5, 7}, |
1046 |
|
{-5, 7}, |
1047 |
|
{-5, 7}, {-5, 7}, {-5, 7}, {-5, 7}, {-5, 7}, {-5, 7}, {-5, 7}, {4, 6}, {4, |
1048 |
|
6}, |
1049 |
|
{4, 6}, |
1050 |
|
{4, 6}, {4, 6}, {4, 6}, {4, 6}, {4, 6}, {4, 6}, {4, 6}, {4, 6}, {4, 6}, {4, |
1051 |
|
6}, |
1052 |
|
{4, 6}, |
1053 |
|
{4, 6}, {4, 6}, {-4, 6}, {-4, 6}, {-4, 6}, {-4, 6}, {-4, 6}, {-4, 6}, {-4, |
1054 |
|
6}, |
1055 |
|
{-4, 6}, {-4, 6}, {-4, 6}, {-4, 6}, {-4, 6}, {-4, 6}, {-4, 6}, {-4, 6}, |
1056 |
|
{-4, 6} |
1057 |
}; |
}; |
1058 |
|
|
1059 |
VLC TMNMVtab2[] = { |
VLC TMNMVtab2[] = { |
1060 |
{32,12}, {-32,12}, {31,12}, {-31,12}, {30,11}, {30,11}, {-30,11}, {-30,11}, |
{32, 12}, {-32, 12}, {31, 12}, {-31, 12}, {30, 11}, {30, 11}, {-30, 11}, |
1061 |
{29,11}, {29,11}, {-29,11}, {-29,11}, {28,11}, {28,11}, {-28,11}, {-28,11}, |
{-30, 11}, |
1062 |
{27,11}, {27,11}, {-27,11}, {-27,11}, {26,11}, {26,11}, {-26,11}, {-26,11}, |
{29, 11}, {29, 11}, {-29, 11}, {-29, 11}, {28, 11}, {28, 11}, {-28, 11}, |
1063 |
{25,11}, {25,11}, {-25,11}, {-25,11}, {24,10}, {24,10}, {24,10}, {24,10}, |
{-28, 11}, |
1064 |
{-24,10}, {-24,10}, {-24,10}, {-24,10}, {23,10}, {23,10}, {23,10}, {23,10}, |
{27, 11}, {27, 11}, {-27, 11}, {-27, 11}, {26, 11}, {26, 11}, {-26, 11}, |
1065 |
{-23,10}, {-23,10}, {-23,10}, {-23,10}, {22,10}, {22,10}, {22,10}, {22,10}, |
{-26, 11}, |
1066 |
{-22,10}, {-22,10}, {-22,10}, {-22,10}, {21,10}, {21,10}, {21,10}, {21,10}, |
{25, 11}, {25, 11}, {-25, 11}, {-25, 11}, {24, 10}, {24, 10}, {24, 10}, |
1067 |
{-21,10}, {-21,10}, {-21,10}, {-21,10}, {20,10}, {20,10}, {20,10}, {20,10}, |
{24, 10}, |
1068 |
{-20,10}, {-20,10}, {-20,10}, {-20,10}, {19,10}, {19,10}, {19,10}, {19,10}, |
{-24, 10}, {-24, 10}, {-24, 10}, {-24, 10}, {23, 10}, {23, 10}, {23, 10}, |
1069 |
{-19,10}, {-19,10}, {-19,10}, {-19,10}, {18,10}, {18,10}, {18,10}, {18,10}, |
{23, 10}, |
1070 |
{-18,10}, {-18,10}, {-18,10}, {-18,10}, {17,10}, {17,10}, {17,10}, {17,10}, |
{-23, 10}, {-23, 10}, {-23, 10}, {-23, 10}, {22, 10}, {22, 10}, {22, 10}, |
1071 |
{-17,10}, {-17,10}, {-17,10}, {-17,10}, {16,10}, {16,10}, {16,10}, {16,10}, |
{22, 10}, |
1072 |
{-16,10}, {-16,10}, {-16,10}, {-16,10}, {15,10}, {15,10}, {15,10}, {15,10}, |
{-22, 10}, {-22, 10}, {-22, 10}, {-22, 10}, {21, 10}, {21, 10}, {21, 10}, |
1073 |
{-15,10}, {-15,10}, {-15,10}, {-15,10}, {14,10}, {14,10}, {14,10}, {14,10}, |
{21, 10}, |
1074 |
{-14,10}, {-14,10}, {-14,10}, {-14,10}, {13,10}, {13,10}, {13,10}, {13,10}, |
{-21, 10}, {-21, 10}, {-21, 10}, {-21, 10}, {20, 10}, {20, 10}, {20, 10}, |
1075 |
|
{20, 10}, |
1076 |
|
{-20, 10}, {-20, 10}, {-20, 10}, {-20, 10}, {19, 10}, {19, 10}, {19, 10}, |
1077 |
|
{19, 10}, |
1078 |
|
{-19, 10}, {-19, 10}, {-19, 10}, {-19, 10}, {18, 10}, {18, 10}, {18, 10}, |
1079 |
|
{18, 10}, |
1080 |
|
{-18, 10}, {-18, 10}, {-18, 10}, {-18, 10}, {17, 10}, {17, 10}, {17, 10}, |
1081 |
|
{17, 10}, |
1082 |
|
{-17, 10}, {-17, 10}, {-17, 10}, {-17, 10}, {16, 10}, {16, 10}, {16, 10}, |
1083 |
|
{16, 10}, |
1084 |
|
{-16, 10}, {-16, 10}, {-16, 10}, {-16, 10}, {15, 10}, {15, 10}, {15, 10}, |
1085 |
|
{15, 10}, |
1086 |
|
{-15, 10}, {-15, 10}, {-15, 10}, {-15, 10}, {14, 10}, {14, 10}, {14, 10}, |
1087 |
|
{14, 10}, |
1088 |
|
{-14, 10}, {-14, 10}, {-14, 10}, {-14, 10}, {13, 10}, {13, 10}, {13, 10}, |
1089 |
|
{13, 10}, |
1090 |
{-13,10}, {-13,10}, {-13,10}, {-13,10} |
{-13,10}, {-13,10}, {-13,10}, {-13,10} |
1091 |
}; |
}; |
1092 |
|
|
1266 |
{2, 2}, {2, 2}, {1, 2}, {1, 2}, |
{2, 2}, {2, 2}, {1, 2}, {1, 2}, |
1267 |
}; |
}; |
1268 |
|
|
1269 |
static __inline int get_coeff(Bitstream * bs, int *run, int *last, |
static __inline int |
1270 |
int intra, int short_video_header) |
get_coeff(Bitstream * bs, |
1271 |
|
int *run, |
1272 |
|
int *last, |
1273 |
|
int intra, |
1274 |
|
int short_video_header) |
1275 |
{ |
{ |
1276 |
|
|
1277 |
uint32_t mode; |
uint32_t mode; |
1289 |
BitstreamSkip(bs, tab->len); |
BitstreamSkip(bs, tab->len); |
1290 |
|
|
1291 |
if(tab->code != ESCAPE) { |
if(tab->code != ESCAPE) { |
1292 |
if(!intra) |
if (!intra) { |
|
{ |
|
1293 |
*run = (tab->code >> 4) & 255; |
*run = (tab->code >> 4) & 255; |
1294 |
level = tab->code & 15; |
level = tab->code & 15; |
1295 |
*last = (tab->code >> 12) & 1; |
*last = (tab->code >> 12) & 1; |
1296 |
} |
} else { |
|
else |
|
|
{ |
|
1297 |
*run = (tab->code >> 8) & 255; |
*run = (tab->code >> 8) & 255; |
1298 |
level = tab->code & 255; |
level = tab->code & 255; |
1299 |
*last = (tab->code >> 16) & 1; |
*last = (tab->code >> 16) & 1; |
1301 |
return BitstreamGetBit(bs) ? -level : level; |
return BitstreamGetBit(bs) ? -level : level; |
1302 |
} |
} |
1303 |
|
|
1304 |
if(short_video_header) |
if (short_video_header) { |
|
{ |
|
1305 |
// escape mode 4 - H.263 type, only used if short_video_header = 1 |
// escape mode 4 - H.263 type, only used if short_video_header = 1 |
1306 |
*last = BitstreamGetBit(bs); |
*last = BitstreamGetBit(bs); |
1307 |
*run = BitstreamGetBits(bs, 6); |
*run = BitstreamGetBits(bs, 6); |
1328 |
*run = (tab->code >> 4) & 255; |
*run = (tab->code >> 4) & 255; |
1329 |
level = tab->code & 15; |
level = tab->code & 15; |
1330 |
*last = (tab->code >> 12) & 1; |
*last = (tab->code >> 12) & 1; |
1331 |
} |
} else { |
|
else |
|
|
{ |
|
1332 |
*run = (tab->code >> 8) & 255; |
*run = (tab->code >> 8) & 255; |
1333 |
level = tab->code & 255; |
level = tab->code & 255; |
1334 |
*last = (tab->code >> 16) & 1; |
*last = (tab->code >> 16) & 1; |
1341 |
|
|
1342 |
return BitstreamGetBit(bs) ? -level : level; |
return BitstreamGetBit(bs) ? -level : level; |
1343 |
} |
} |
|
|
|
1344 |
// third escape mode - fixed length codes |
// third escape mode - fixed length codes |
1345 |
BitstreamSkip(bs, 2); |
BitstreamSkip(bs, 2); |
1346 |
*last = BitstreamGetBits(bs, 1); |
*last = BitstreamGetBits(bs, 1); |