/* | |
** adpcm.h - include file for adpcm coder. | |
** | |
** Version 1.0, 7-Jul-92. | |
*/ | |
struct adpcm_state { | |
short valprev; /* Previous output value */ | |
char index; /* Index into stepsize table */ | |
}; | |
#ifdef __STDC__ | |
#define ARGS(x) x | |
#else | |
#define ARGS(x) () | |
#endif | |
void adpcm_coder ARGS((short [], char [], int, struct adpcm_state *)); | |
void adpcm_decoder ARGS((char [], short [], int, struct adpcm_state *)); |