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-rw-r--r--noncore/multimedia/opierec/adpcm.h19
1 files changed, 19 insertions, 0 deletions
diff --git a/noncore/multimedia/opierec/adpcm.h b/noncore/multimedia/opierec/adpcm.h
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1/*
2** adpcm.h - include file for adpcm coder.
3**
4** Version 1.0, 7-Jul-92.
5*/
6
7struct adpcm_state {
8 short valprev;/* Previous output value */
9 char index; /* Index into stepsize table */
10};
11
12#ifdef __STDC__
13#define ARGS(x) x
14#else
15#define ARGS(x) ()
16#endif
17
18void adpcm_coder ARGS((short [], char [], int, struct adpcm_state *));
19void adpcm_decoder ARGS((char [], short [], int, struct adpcm_state *));