sound.h

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#ifndef __AU_SOUND_H__
#define __AU_SOUND_H__
 
#include <stdint.h>
#include <circbuf.h>
#include <Hal\x86_64_sched.h>
#include <aurora.h>
 
#pragma pack(push,1)
typedef struct __au_dsp__ {
    CircBuffer *buffer;
    uint16_t _dsp_id;
    AuThread *SndThread;
    uint64_t sleep_time;
    bool available;
    struct __au_dsp__ *next;
    struct __au_dsp__ *prev;
}AuDSP;
#pragma pack(pop)
 
 
typedef struct _SoundDev_ {
    char name[32];
    void(*write) (uint8_t* buffer, size_t length);
    void(*read) (uint8_t* buffer, size_t length);
    void(*stop_output)();
    void(*start_output)();
    void(*set_vol)(uint8_t vol);
}AuSound;
 
 
/*
* AuSoundInitialize -- Initialized the Aurora sound system
*/
extern void AuSoundInitialise();
 
/*
* AuSoundSetCard -- registers a new
* sound card
* @param dev -- sound card device
*/
AU_EXTERN AU_EXPORT void AuSoundSetCard(AuSound* dev);
 
/*
* AuSoundGetBlock -- the main heart of aurora sound
* system -- called by sound card
*/
AU_EXTERN AU_EXPORT void AuSoundGetBlock(uint64_t *buffer);
 
/*
* AuSoundRemoveDSP -- remove the dsp from
* dsp list
*/
AU_EXTERN AU_EXPORT void AuSoundRemoveDSP(uint16_t id);
 
/*
* AuSoundStart -- Starts the Sound card
*/
extern void AuSoundStart();
 
/*
* AuSoundStop -- Stop Sound card
*/
extern void AuSoundStop();
#endif