DOOM-3-BFG/doomclassic/timidity/output.h

/* 

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 GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.

This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.

output.h

*/
#include <stdio.h>
#include "timidity.h"
/* 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 */

extern int init_buffers(int kbytes);

/* Conversion functions -- These overwrite the  int32_t 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_t  *lp,  int32_t  c);

/* 8-bit signed and unsigned*/
extern void s32tos8(void *dp,  int32_t  *lp,  int32_t  c);
extern void s32tou8(void *dp,  int32_t  *lp,  int32_t  c);

/* 16-bit */
extern void s32tos16(void *dp,  int32_t  *lp,  int32_t  c);
extern void s32tou16(void *dp,  int32_t  *lp,  int32_t  c);

/* byte-exchanged 16-bit */
extern void s32tos16x(void *dp,  int32_t  *lp,  int32_t  c);
extern void s32tou16x(void *dp,  int32_t  *lp,  int32_t  c);

/* uLaw (8 bits) */
extern void s32toulaw(void *dp,  int32_t  *lp,  int32_t  c);

/* little-endian and big-endian specific */
#ifdef LITTLE_ENDIAN
#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