Mercurial > SDL_sound_CoreAudio
diff decoders/timidity/output.h @ 199:2d887640d300
Initial add.
author | Ryan C. Gordon <icculus@icculus.org> |
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date | Fri, 04 Jan 2002 06:49:49 +0000 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/decoders/timidity/output.h Fri Jan 04 06:49:49 2002 +0000 @@ -0,0 +1,56 @@ +/* + + 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 + +*/ + +/* Data format encoding bits */ + +#define PE_MONO 0x01 /* versus stereo */ +#define PE_SIGNED 0x02 /* versus unsigned */ +#define PE_16BIT 0x04 /* versus 8-bit */ + +/* Conversion functions -- These overwrite the Sint32 data in *lp with + data in another format */ + +/* 8-bit signed and unsigned*/ +extern void s32tos8(void *dp, Sint32 *lp, Sint32 c); +extern void s32tou8(void *dp, Sint32 *lp, Sint32 c); + +/* 16-bit */ +extern void s32tos16(void *dp, Sint32 *lp, Sint32 c); +extern void s32tou16(void *dp, Sint32 *lp, Sint32 c); + +/* byte-exchanged 16-bit */ +extern void s32tos16x(void *dp, Sint32 *lp, Sint32 c); +extern void s32tou16x(void *dp, Sint32 *lp, Sint32 c); + +/* little-endian and big-endian specific */ +#if SDL_BYTEORDER == SDL_LIL_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