dosbox-wii/include/mixer.h
2009-05-02 21:35:44 +00:00

45 lines
1.5 KiB
C

/*
* Copyright (C) 2002 The DOSBox Team
*
* 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 Library 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
typedef void (*MIXER_MixHandler)(Bit8u * sampdate,Bit32u len);
#define MIXER_8MONO 0
#define MIXER_8STEREO 1
#define MIXER_16MONO 2
#define MIXER_16STEREO 3
#define MAX_AUDIO ((1<<(16-1))-1)
#define MIN_AUDIO -(1<<(16-1))
struct MIXER_Channel;
MIXER_Channel * MIXER_AddChannel(MIXER_MixHandler handler,Bit32u freq,char * name);
void MIXER_SetVolume(MIXER_Channel * chan,Bit8u vol);
void MIXER_SetFreq(MIXER_Channel * chan,Bit32u freq);
void MIXER_SetMode(MIXER_Channel * chan,Bit8u mode);
void MIXER_Enable(MIXER_Channel * chan,bool enable);
/* PC Speakers functions, tightly related to the timer functions */
void PCSPEAKER_SetCounter(Bitu cntr,Bitu mode);
void PCSPEAKER_SetType(Bitu mode);