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huffyuv v1 tables, as they are essential and the only possible way for decding of v1 files they very likely cant be copyrighted ...

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Originally committed as revision 1600 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Michael Niedermayer 2003-02-24 09:49:37 +00:00
parent d4c48e4869
commit 676b385c5b
1 changed files with 51 additions and 1 deletions
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52
libavcodec/huffyuv.c
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@ -62,6 +62,56 @@ typedef struct HYuvContext{
DSPContext dsp;
}HYuvContext;
static unsigned char classic_shift_luma[] = {
34,36,35,69,135,232,9,16,10,24,11,23,12,16,13,10,14,8,15,8,
16,8,17,20,16,10,207,206,205,236,11,8,10,21,9,23,8,8,199,70,
69,68, 0
};
static unsigned char classic_shift_chroma[] = {
66,36,37,38,39,40,41,75,76,77,110,239,144,81,82,83,84,85,118,183,
56,57,88,89,56,89,154,57,58,57,26,141,57,56,58,57,58,57,184,119,
214,245,116,83,82,49,80,79,78,77,44,75,41,40,39,38,37,36,34, 0
};
static unsigned char classic_add_luma[256] = {
3, 9, 5, 12, 10, 35, 32, 29, 27, 50, 48, 45, 44, 41, 39, 37,
73, 70, 68, 65, 64, 61, 58, 56, 53, 50, 49, 46, 44, 41, 38, 36,
68, 65, 63, 61, 58, 55, 53, 51, 48, 46, 45, 43, 41, 39, 38, 36,
35, 33, 32, 30, 29, 27, 26, 25, 48, 47, 46, 44, 43, 41, 40, 39,
37, 36, 35, 34, 32, 31, 30, 28, 27, 26, 24, 23, 22, 20, 19, 37,
35, 34, 33, 31, 30, 29, 27, 26, 24, 23, 21, 20, 18, 17, 15, 29,
27, 26, 24, 22, 21, 19, 17, 16, 14, 26, 25, 23, 21, 19, 18, 16,
15, 27, 25, 23, 21, 19, 17, 16, 14, 26, 25, 23, 21, 18, 17, 14,
12, 17, 19, 13, 4, 9, 2, 11, 1, 7, 8, 0, 16, 3, 14, 6,
12, 10, 5, 15, 18, 11, 10, 13, 15, 16, 19, 20, 22, 24, 27, 15,
18, 20, 22, 24, 26, 14, 17, 20, 22, 24, 27, 15, 18, 20, 23, 25,
28, 16, 19, 22, 25, 28, 32, 36, 21, 25, 29, 33, 38, 42, 45, 49,
28, 31, 34, 37, 40, 42, 44, 47, 49, 50, 52, 54, 56, 57, 59, 60,
62, 64, 66, 67, 69, 35, 37, 39, 40, 42, 43, 45, 47, 48, 51, 52,
54, 55, 57, 59, 60, 62, 63, 66, 67, 69, 71, 72, 38, 40, 42, 43,
46, 47, 49, 51, 26, 28, 30, 31, 33, 34, 18, 19, 11, 13, 7, 8,
};
static unsigned char classic_add_chroma[256] = {
3, 1, 2, 2, 2, 2, 3, 3, 7, 5, 7, 5, 8, 6, 11, 9,
7, 13, 11, 10, 9, 8, 7, 5, 9, 7, 6, 4, 7, 5, 8, 7,
11, 8, 13, 11, 19, 15, 22, 23, 20, 33, 32, 28, 27, 29, 51, 77,
43, 45, 76, 81, 46, 82, 75, 55, 56,144, 58, 80, 60, 74,147, 63,
143, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79,
80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 27, 30, 21, 22,
17, 14, 5, 6,100, 54, 47, 50, 51, 53,106,107,108,109,110,111,
112,113,114,115, 4,117,118, 92, 94,121,122, 3,124,103, 2, 1,
0,129,130,131,120,119,126,125,136,137,138,139,140,141,142,134,
135,132,133,104, 64,101, 62, 57,102, 95, 93, 59, 61, 28, 97, 96,
52, 49, 48, 29, 32, 25, 24, 46, 23, 98, 45, 44, 43, 20, 42, 41,
19, 18, 99, 40, 15, 39, 38, 16, 13, 12, 11, 37, 10, 9, 8, 36,
7,128,127,105,123,116, 35, 34, 33,145, 31, 79, 42,146, 78, 26,
83, 48, 49, 50, 44, 47, 26, 31, 30, 18, 17, 19, 21, 24, 25, 13,
14, 16, 17, 18, 20, 21, 12, 14, 15, 9, 10, 6, 9, 6, 5, 8,
6, 12, 8, 10, 7, 9, 6, 4, 6, 2, 2, 3, 3, 3, 3, 2,
};
static inline void bswap_buf(uint32_t *dst, uint32_t *src, int w){
int i;
@ -291,7 +341,7 @@ printf("%6X, %2d, %3d\n", s->bits[i][j], s->len[i][j], j);
}
static int read_old_huffman_tables(HYuvContext *s){
#if 0
#if 1
GetBitContext gb;
int i;