TiMidity -- Experimental MIDI to WAVE converter

Copyright (C) 1995 Tuukka Toivonen <toivonen@clinet.fi>

This program is free software; you can redistribute it and/or modify

it under the terms of the Perl Artistic License, available in COPYING.

*/

/* Data format encoding bits */

#define PE_MONO 0x01 /* versus stereo */

#define PE_SIGNED 0x02 /* versus unsigned */

#define PE_16BIT 0x04 /* versus 8-bit */

#define PE_ULAW 0x08 /* versus linear */

#define PE_BYTESWAP 0x10 /* versus the other way */

typedef struct {

int32 rate, encoding;

char *id_name;

} PlayMode;

extern PlayMode *play_mode_list[], *play_mode;

extern int init_buffers(int kbytes);

/* Conversion functions -- These overwrite the int32 data in *lp with

data in another format */

/* The size of the output buffers */

extern int AUDIO_BUFFER_SIZE;

/* Actual copy function */

extern void (*s32tobuf)(void *dp, int32 *lp, int32 c);

/* 8-bit signed and unsigned*/

extern void s32tos8(void *dp, int32 *lp, int32 c);

extern void s32tou8(void *dp, int32 *lp, int32 c);

/* 16-bit */

extern void s32tos16(void *dp, int32 *lp, int32 c);

extern void s32tou16(void *dp, int32 *lp, int32 c);

/* byte-exchanged 16-bit */

extern void s32tos16x(void *dp, int32 *lp, int32 c);

extern void s32tou16x(void *dp, int32 *lp, int32 c);

/* uLaw (8 bits) */

extern void s32toulaw(void *dp, int32 *lp, int32 c);

/* little-endian and big-endian specific */

#define s32tou16l s32tou16

#define s32tou16b s32tou16x

#define s32tos16l s32tos16

#define s32tos16b s32tos16x

#else

#define s32tou16l s32tou16x

#define s32tou16b s32tou16

#define s32tos16l s32tos16x

#define s32tos16b s32tos16

#endif