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Commit be3492ec authored by Kostya Shishkov's avatar Kostya Shishkov
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VC-1 decoder with I-frames support and partial P-frames decoding 

Originally committed as revision 5530 to svn://svn.ffmpeg.org/ffmpeg/trunk
parent 10b9c374
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libavcodec/vc1.c
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libavcodec/vc1data.h
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/**
* @file vc1data.h
* VC1 tables.
* VC-1 tables.
*/
#ifndef VC1DATA_H
......@@ -167,10 +167,65 @@ static const uint8_t vc1_4mv_block_pattern_bits[4][16] = {
};
const uint8_t wmv3_dc_scale_table[32]={
0, 4, 6, 8, 8, 8, 9, 9,10,10,11,11,12,12,13,13,14,14,15,15,16,16,17,17,18,18,19,19,20,20,21,21
0, 2, 4, 8, 8, 8, 9, 9,10,10,11,11,12,12,13,13,14,14,15,15,16,16,17,17,18,18,19,19,20,20,21,21
};
/* P-Picture CBPCY VLC tables */
#if 1 // Looks like original tables are not conforming to standard at all. Are they used for old WMV?
static const uint16_t vc1_cbpcy_p_codes[4][64] = {
{
0, 6, 15, 13, 13, 11, 3, 13, 5, 8, 49, 10, 12, 114, 102, 119,
1, 54, 96, 8, 10, 111, 5, 15, 12, 10, 2, 12, 13, 115, 53, 63,
1, 7, 1, 7, 14, 12, 4, 14, 1, 9, 97, 11, 7, 58, 52, 62,
4, 103, 1, 9, 11, 56, 101, 118, 4, 110, 100, 30, 2, 5, 4, 3
},
{
0, 9, 1, 18, 5, 14, 237, 26, 3, 121, 3, 22, 13, 16, 6, 30,
2, 10, 1, 20, 12, 241, 5, 28, 16, 12, 3, 24, 28, 124, 239, 247,
1, 240, 1, 19, 18, 15, 4, 27, 1, 122, 2, 23, 1, 17, 7, 31,
1, 11, 2, 21, 19, 246, 238, 29, 17, 13, 236, 25, 58, 63, 8, 125
},
{
0, 201, 25, 231, 5, 221, 1, 3, 2, 414, 2, 241, 16, 225, 195, 492,
2, 412, 1, 240, 7, 224, 98, 245, 1, 220, 96, 5, 9, 230, 101, 247,
1, 102, 1, 415, 24, 3, 2, 244, 3, 54, 3, 484, 17, 114, 200, 493,
3, 413, 1, 4, 13, 113, 99, 485, 4, 111, 194, 243, 5, 29, 26, 31
},
{
0, 28, 12, 44, 3, 36, 20, 52, 2, 32, 16, 48, 8, 40, 24, 28,
1, 30, 14, 46, 6, 38, 22, 54, 3, 34, 18, 50, 10, 42, 26, 30,
1, 29, 13, 45, 5, 37, 21, 53, 2, 33, 17, 49, 9, 41, 25, 29,
1, 31, 15, 47, 7, 39, 23, 55, 4, 35, 19, 51, 11, 43, 27, 31
}
};
static const uint8_t vc1_cbpcy_p_bits[4][64] = {
{
13, 13, 7, 13, 7, 13, 13, 12, 6, 13, 7, 12, 6, 8, 8, 8,
5, 7, 8, 12, 6, 8, 13, 12, 7, 13, 13, 12, 6, 8, 7, 7,
6, 13, 8, 12, 7, 13, 13, 12, 7, 13, 8, 12, 5, 7, 7, 7,
6, 8, 13, 12, 6, 7, 8, 8, 5, 8, 8, 6, 3, 3, 3, 2
},
{
14, 13, 8, 13, 3, 13, 8, 13, 3, 7, 8, 13, 4, 13, 13, 13,
3, 13, 13, 13, 4, 8, 13, 13, 5, 13, 13, 13, 5, 7, 8, 8,
3, 8, 14, 13, 5, 13, 13, 13, 4, 7, 13, 13, 6, 13, 13, 13,
5, 13, 8, 13, 5, 8, 8, 13, 5, 13, 8, 13, 6, 6, 13, 7
},
{
13, 8, 6, 8, 4, 8, 13, 12, 4, 9, 8, 8, 5, 8, 8, 9,
5, 9, 10, 8, 4, 8, 7, 8, 6, 8, 7, 13, 4, 8, 7, 8,
5, 7, 8, 9, 6, 13, 13, 8, 4, 6, 8, 9, 5, 7, 8, 9,
5, 9, 9, 13, 5, 7, 7, 9, 4, 7, 8, 8, 3, 5, 5, 5
},
{
9, 9, 9, 9, 2, 9, 9, 9, 2, 9, 9, 9, 9, 9, 9, 8,
3, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8,
2, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8,
9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8
}
};
#else
static const uint16_t vc1_cbpcy_p_codes[4][64] = {
{
0, 1, 1, 4, 5, 1, 12, 4, 13, 14, 10, 11, 12, 7, 13, 2,
......@@ -223,6 +278,7 @@ static const uint8_t vc1_cbpcy_p_bits[4][64] = {
9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8
}
};
#endif
/* MacroBlock Transform Type: 7.1.3.11, p89
* 8x8:B
......@@ -402,5 +458,153 @@ static const uint8_t vc1_mv_diff_bits[4][73] = {
/* DC differentials low+hi-mo, p217 are the same as in msmpeg4data .h */
/* Scantables/ZZ scan are at 11.9 (p262) and 8.1.1.12 (p10) */
static const int8_t vc1_normal_zz[64] = {
0, 8, 1, 2, 9, 16, 24, 17,
10, 3, 4, 11, 18, 25, 32, 40,
33, 48, 26, 19, 12, 5, 6, 13,
20, 27, 34, 41, 56, 49, 57, 42,
35, 28, 21, 14, 7, 15, 22, 29,
36, 43, 50, 58, 51, 59, 44, 37,
30, 23, 31, 38, 45, 52, 60, 53,
61, 46, 39, 47, 54, 62, 55, 63
};
static const int8_t vc1_horizontal_zz [64] = /* Table 227 */
{
0, 1, 8, 2, 3, 9, 16, 24,
17, 10, 4, 5, 11, 18, 25, 32,
40, 48, 33, 26, 19, 12, 6, 7,
13, 20, 27, 34, 41, 56, 49, 57,
42, 35, 28, 21, 14, 15, 22, 29,
36, 43, 50, 58, 51, 44, 37, 30,
23, 31, 38, 45, 52, 59, 60, 53,
46, 39, 47, 54, 61, 62, 55, 63
};
static const int8_t vc1_vertical_zz [64] = /* Table 228 */
{
0, 8, 16, 1, 24, 32, 40, 9,
2, 3, 10, 17, 25, 48, 56, 41,
33, 26, 18, 11, 4, 5, 12, 19,
27, 34, 49, 57, 50, 42, 35, 28,
20, 13, 6, 7, 14, 21, 29, 36,
43, 51, 58, 59, 52, 44, 37, 30,
22, 15, 23, 31, 38, 45, 60, 53,
46, 39, 47, 54, 61, 62, 55, 63
};
static const int8_t vc1_simple_progressive_8x8_zz [64] =
/* Table 229 */
{
0, 8, 1, 2, 9, 16, 24, 17,
10, 3, 4, 11, 18, 25, 32, 40,
48, 56, 41, 33, 26, 19, 12, 5,
6, 13, 20, 27, 34, 49, 57, 58,
50, 42, 35, 28, 21, 14, 7, 15,
22, 29, 36, 43, 51, 59, 60, 52,
44, 37, 30, 23, 31, 38, 45, 53,
61, 62, 54, 46, 39, 47, 55, 63
};
static const int8_t vc1_simple_progressive_8x4_zz [32] = /* Table 230 */
{
0, 1, 2, 8, 3, 9, 10, 16,
4, 11, 17, 24, 18, 12, 5, 19,
25, 13, 20, 26, 27, 6, 21, 28,
14, 22, 29, 7, 30, 15, 23, 31
};
static const int8_t vc1_simple_progressive_4x8_zz [32] = /* Table 231 */
{
0, 8, 1, 16,
9, 24, 17, 2,
32, 10, 25, 40,
18, 48, 33, 26,
56, 41, 34, 3,
49, 57, 11, 42,
19, 50, 27, 58,
35, 43, 51, 59
};
/* Table 232 */
static const int8_t vc1_simple_progressive_4x4_zz [16] =
{
0, 8, 16, 1,
9, 24, 17, 2,
10, 18, 25, 3,
11, 26, 19, 27
};
static const int8_t vc1_adv_progressive_8x4_zz [32] = /* Table 233 */
{
0, 8, 1, 16, 2, 9, 10, 3,
24, 17, 4, 11, 18, 12, 5, 19,
25, 13, 20, 26, 27, 6, 21, 28,
14, 22, 29, 7, 30, 15, 23, 31
};
static const int8_t vc1_adv_progressive_4x8_zz [32] = /* Table 234 */
{
0, 1, 8, 2,
9, 16, 17, 24,
10, 32, 25, 18,
40, 3, 33, 26,
48, 11, 56, 41,
34, 49, 57, 42,
19, 50, 27, 58,
35, 43, 51, 59
};
static const int8_t vc1_adv_interlaced_8x8_zz [64] = /* Table 235 */
{
0, 8, 1, 16, 24, 9, 2, 32,
40, 48, 56, 17, 10, 3, 25, 18,
11, 4, 33, 41, 49, 57, 26, 34,
42, 50, 58, 19, 12, 5, 27, 20,
13, 6, 35, 28, 21, 14, 7, 15,
22, 29, 36, 43, 51, 59, 60, 52,
44, 37, 30, 23, 31, 38, 45, 53,
61, 62, 54, 46, 39, 47, 55, 63
};
static const int8_t vc1_adv_interlaced_8x4_zz [32] = /* Table 236 */
{
0, 8, 16, 24, 1, 9, 2, 17,
25, 10, 3, 18, 26, 4, 11, 19,
12, 5, 13, 20, 27, 6, 21, 28,
14, 22, 29, 7, 30, 15, 23, 31
};
static const int8_t vc1_adv_interlaced_4x8_zz [32] = /* Table 237 */
{
0, 1, 2, 8,
16, 9, 24, 17,
10, 3, 32, 40,
48, 56, 25, 18,
33, 26, 41, 34,
49, 57, 11, 42,
19, 50, 27, 58,
35, 43, 51, 59
};
static const int8_t vc1_adv_interlaced_4x4_zz [16] = /* Table 238 */
{
0, 8, 16, 24,
1, 9, 17, 2,
25, 10, 18, 3,
26, 11, 19, 27
};
/* DQScale as specified in 8.1.3.9 - almost identical to 0x40000/i */
static const int32_t vc1_dqscale[63] = {
0x40000, 0x20000, 0x15555, 0x10000, 0xCCCD, 0xAAAB, 0x9249, 0x8000,
0x71C7, 0x6666, 0x5D17, 0x5555, 0x4EC5, 0x4925, 0x4444, 0x4000,
0x3C3C, 0x38E4, 0x35E5, 0x3333, 0x30C3, 0x2E8C, 0x2C86, 0x2AAB,
0x28F6, 0x2762, 0x25ED, 0x2492, 0x234F, 0x2222, 0x2108, 0x2000,
0x1F08, 0x1E1E, 0x1D42, 0x1C72, 0x1BAD, 0x1AF3, 0x1A42, 0x199A,
0x18FA, 0x1862, 0x17D0, 0x1746, 0x16C1, 0x1643, 0x15CA, 0x1555,
0x14E6, 0x147B, 0x1414, 0x13B1, 0x1352, 0x12F7, 0x129E, 0x1249,
0x11F7, 0x11A8, 0x115B, 0x1111, 0x10C9, 0x1084, 0x1000
};
#endif /* VC1DATA_H */
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