pspaudiolib.h

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/*
 * PSP Software Development Kit - https://github.com/pspdev
 * -----------------------------------------------------------------------
 * Licensed under the BSD license, see LICENSE in PSPSDK root for details.
 *
 * pspaudiolib.h - Audio library build on top of sceAudio, but to provide
 *                 multiple thread usage and callbacks.
 *
 * Copyright (c) 2005 Adresd
 * Copyright (c) 2005 Marcus R. Brown <mrbrown@ocgnet.org>
 *
 */
#ifndef __AUDIOLIB_H__
#define __AUDIOLIB_H__
 
#ifdef __cplusplus
extern "C" {
#endif
 
#define PSP_NUM_AUDIO_CHANNELS 4
#define PSP_NUM_AUDIO_SAMPLES 1024
#define PSP_VOLUME_MAX 0x8000
 
typedef void (* pspAudioCallback_t)(void *buf, unsigned int reqn, void *pdata);
 
typedef struct {
  int threadhandle;
  int handle;
  int volumeleft;
  int volumeright;
  pspAudioCallback_t callback;
  void *pdata;
} psp_audio_channelinfo;
 
typedef int (* pspAudioThreadfunc_t)(int args, void *argp);
 
int  pspAudioInit();
void pspAudioEndPre();
void pspAudioEnd();
 
void pspAudioSetVolume(int channel, int left, int right);
void pspAudioChannelThreadCallback(int channel, void *buf, unsigned int reqn);
void pspAudioSetChannelCallback(int channel, pspAudioCallback_t callback, void *pdata);
int  pspAudioOutBlocking(unsigned int channel, unsigned int vol1, unsigned int vol2, void *buf);
 
#ifdef __cplusplus
}
#endif
 
#endif