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71 lines
2.1 KiB
C
71 lines
2.1 KiB
C
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/*
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TiMidity -- Experimental MIDI to WAVE converter
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Copyright (C) 1995 Tuukka Toivonen <toivonen@clinet.fi>
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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output.h
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*/
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#include <stdio.h>
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#include "timidity.h"
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/* Data format encoding bits */
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#define PE_MONO 0x01 /* versus stereo */
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#define PE_SIGNED 0x02 /* versus unsigned */
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#define PE_16BIT 0x04 /* versus 8-bit */
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#define PE_ULAW 0x08 /* versus linear */
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#define PE_BYTESWAP 0x10 /* versus the other way */
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extern int init_buffers(int kbytes);
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/* Conversion functions -- These overwrite the int32_t data in *lp with
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data in another format */
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/* The size of the output buffers */
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extern int AUDIO_BUFFER_SIZE;
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/* Actual copy function */
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extern void (*s32tobuf)(void *dp, int32_t *lp, int32_t c);
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/* 8-bit signed and unsigned*/
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extern void s32tos8(void *dp, int32_t *lp, int32_t c);
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extern void s32tou8(void *dp, int32_t *lp, int32_t c);
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/* 16-bit */
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extern void s32tos16(void *dp, int32_t *lp, int32_t c);
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extern void s32tou16(void *dp, int32_t *lp, int32_t c);
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/* byte-exchanged 16-bit */
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extern void s32tos16x(void *dp, int32_t *lp, int32_t c);
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extern void s32tou16x(void *dp, int32_t *lp, int32_t c);
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/* uLaw (8 bits) */
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extern void s32toulaw(void *dp, int32_t *lp, int32_t c);
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/* little-endian and big-endian specific */
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#ifdef LITTLE_ENDIAN
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#define s32tou16l s32tou16
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#define s32tou16b s32tou16x
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#define s32tos16l s32tos16
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#define s32tos16b s32tos16x
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#else
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#define s32tou16l s32tou16x
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#define s32tou16b s32tou16
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#define s32tos16l s32tos16x
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#define s32tos16b s32tos16
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#endif
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