aesndlib.h

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#ifndef __AESNDLIB_H__
#define __AESNDLIB_H__

#include <gctypes.h>

#define MAX_VOICES              32
#define SND_BUFFERSIZE          384             // output 2ms sound data at 48KHz
#define DSP_STREAMBUFFER_SIZE   1152            // input 2ms sound data at max. 144KHz

#if defined(HW_DOL)
    #define DSP_DEFAULT_FREQ    48044
#elif defined(HW_RVL)
    #define DSP_DEFAULT_FREQ    48000
#endif

#define VOICE_STATE_STOPPED     0
#define VOICE_STATE_RUNNING     1
#define VOICE_STATE_STREAM      2

#define VOICE_MONO8             0x00000000
#define VOICE_STEREO8           0x00000001
#define VOICE_MONO16            0x00000002
#define VOICE_STEREO16          0x00000003

#define VOICE_FREQ32KHZ         32000
#define VOICE_FREQ48KHZ         48000

#ifdef __cplusplus
    extern "C" {
#endif

typedef struct aesndpb_t AESNDPB;

typedef void (*AESNDVoiceCallback)(AESNDPB *pb,u32 state);
typedef void (*AESNDAudioCallback)(void *audio_buffer,u32 len);

void AESND_Init();
void AESND_Reset();
void AESND_Pause(bool pause);
u32 AESND_GetDSPProcessTime();
f32 AESND_GetDSPProcessUsage();
AESNDAudioCallback AESND_RegisterAudioCallback(AESNDAudioCallback cb);

AESNDPB* AESND_AllocateVoice(AESNDVoiceCallback cb);
void AESND_FreeVoice(AESNDPB *pb);
void AESND_SetVoiceStop(AESNDPB *pb,bool stop);
void AESND_SetVoiceMute(AESNDPB *pb,bool mute);
void AESND_SetVoiceLoop(AESNDPB *pb,bool loop);
void AESND_SetVoiceFormat(AESNDPB *pb,u32 format);
void AESND_SetVoiceStream(AESNDPB *pb,bool stream);
void AESND_SetVoiceFrequency(AESNDPB *pb,u32 freq);
void AESND_SetVoiceVolume(AESNDPB *pb,u16 volume_l,u16 volume_r);
void AESND_SetVoiceBuffer(AESNDPB *pb,const void *buffer,u32 len);
void AESND_PlayVoice(AESNDPB *pb,u32 format,const void *buffer,u32 len,u32 freq,u32 delay,bool looped);
AESNDVoiceCallback AESND_RegisterVoiceCallback(AESNDPB *pb,AESNDVoiceCallback cb);

#ifdef __cplusplus
    }
#endif

#endif