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/* ScummVM - Scumm Interpreter
* Copyright (C) 2001-2006 The ScummVM project
* Copyright (C) 2002 Ph0x - GP32 Backend
* Copyright (C) 2003/2004 DJWillis - GP32 Backend
* Copyright (C) 2005 Won Star - GP32 Backend
*
* 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
* $Header$
*
*/
#ifndef __GP32STD_SOUND_H
#define __GP32STD_SOUND_H
// GPSOUNDBUF.userdata / Pointer to the buffer which needs to be refilled / Length of the buffer in bytes
typedef void SoundProc(void *param, byte *buf, int len);
typedef struct TGPSOUNDBUF {
int32 freq;
uint16 format;
uint16 samples; // Buffer length (in samples)
uint16 channels;
uint16 padding; // Fix alignment problem
void *userdata; // Userdata which gets passed to the callback function
SoundProc *callback; // Callback function (just like in SDL)
unsigned int pollfreq; // Frequency of the timer interrupt which polls the playing position
// recommended value: 2*(playingfreq in Hz/GPSOUNDBUF.samples)
unsigned int samplesize; // Size of one sample (8bit mono->1, 16bit stereo->4) - don't touch this
} GPSOUNDBUF;
int gp_soundBufStart(GPSOUNDBUF *sb);
void gp_soundBufStop();
#endif
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