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Brian Harris
2012-11-26 12:58:24 -06:00
parent a5214f79ef
commit 5016f605b8
1115 changed files with 587266 additions and 0 deletions
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70
doomclassic/timidity/output.h Normal file
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/*
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