diff options
author | 2001-12-26 06:13:17 +0000 | |
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committer | 2001-12-26 06:13:17 +0000 | |
commit | 24774d66c73f6f1b6d62b2a715e369b002823f02 (patch) | |
tree | deed88d8245f0d84f4772bb7f11c68d8014743c1 /adpcm.h | |
parent | d9f209002d87d7d85eee2855ba01d7a6cadc98d9 (diff) |
Initial support for unified ADPCM decoder
git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@3757 b3059339-0415-0410-9bf9-f77b7e298cf2
Diffstat (limited to 'adpcm.h')
-rw-r--r-- | adpcm.h | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/adpcm.h b/adpcm.h new file mode 100644 index 0000000000..c8b23d2264 --- /dev/null +++ b/adpcm.h @@ -0,0 +1,32 @@ +#ifndef ADPCM_H +#define ADPCM_H + +#define IMA_ADPCM_BLOCK_SIZE 0x22 +#define IMA_ADPCM_SAMPLES_PER_BLOCK 0x40 + +static int adpcm_step[89] = +{ + 7, 8, 9, 10, 11, 12, 13, 14, 16, 17, + 19, 21, 23, 25, 28, 31, 34, 37, 41, 45, + 50, 55, 60, 66, 73, 80, 88, 97, 107, 118, + 130, 143, 157, 173, 190, 209, 230, 253, 279, 307, + 337, 371, 408, 449, 494, 544, 598, 658, 724, 796, + 876, 963, 1060, 1166, 1282, 1411, 1552, 1707, 1878, 2066, + 2272, 2499, 2749, 3024, 3327, 3660, 4026, 4428, 4871, 5358, + 5894, 6484, 7132, 7845, 8630, 9493, 10442, 11487, 12635, 13899, + 15289, 16818, 18500, 20350, 22385, 24623, 27086, 29794, 32767 +}; + +static int adpcm_index[16] = +{ + -1, -1, -1, -1, 2, 4, 6, 8, + -1, -1, -1, -1, 2, 4, 6, 8 +}; + +static int format_0x62_table[16] = +{ + 1, 3, 5, 7, 9, 11, 13, 15, + -1, -3, -5, -7, -9, -11, -13, -15 +}; + +#endif |