PerformSound.h

/*
  $Id: PerformSound.h 3642 2009-10-28 18:12:50Z leighsmith $
  Description:
    This is basically a bare-bones duplicate of NeXT/Apples' performsound module
    functionality.
 
  Original Author: Leigh Smith <leigh@tomandandy.com>

  Copyright (C) 1999 Permission is granted to use this code for commercial and
  non-commercial purposes so long as this copyright statement (noting the author) is
  preserved.
*/
#ifndef __MKPERF_SND_MIDI_PERFORM_SOUND_H__
#define __MKPERF_SND_MIDI_PERFORM_SOUND_H__

#define PERFORM_API 

#include <objc/objc.h> // for BOOL
#include "SndStruct.h"
#include "SndFormats.h"

#define MKPERFORMSND_USE_STREAMING       1  // Uses the newer streaming API

#ifdef __cplusplus
extern "C" {
#endif 

typedef struct SNDStreamBuffer {
    SndSampleFormat dataFormat;
    long frameCount;
    int channelCount;
    double sampleRate;
    void *streamData;
} SNDStreamBuffer;

typedef void (*SNDStreamProcessor)(double sampleTime, SNDStreamBuffer *inStream, SNDStreamBuffer *outStream, void *userData);

PERFORM_API BOOL SNDInit(BOOL guessTheDevice);

PERFORM_API BOOL SNDTerminate(void);

PERFORM_API const char **SNDGetAvailableDriverNames(void);

PERFORM_API BOOL SNDSetDriverIndex(unsigned int selectedIndex);

PERFORM_API unsigned int SNDGetAssignedDriverIndex(void);

PERFORM_API BOOL SNDIsMuted(void);

PERFORM_API void SNDSetMute(BOOL aFlag);

PERFORM_API BOOL SNDSetBufferSizeInBytes(long liBufferSizeInBytes);

PERFORM_API const char **SNDSpeakerConfiguration(void);

PERFORM_API void SNDStreamNativeFormat(SNDStreamBuffer *streamFormat, BOOL isOutputStream);

PERFORM_API BOOL SNDStreamStart(SNDStreamProcessor newStreamProcessor, void *userData);

PERFORM_API BOOL SNDStreamStop(void);

#ifdef __cplusplus
}
#endif

#endif /*__MKPERF_SND_MIDI_PERFORM_SOUND_H__*/

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