EngageAudioDevice.h

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//
//  Copyright (c) 2019 Rally Tactical Systems, Inc.
//  All rights reserved.
//
#ifndef EngageAudioDevice_h
#define EngageAudioDevice_h
 
#include <stdint.h>
 
 
#ifdef __cplusplus
extern "C"
{
#endif
 
#if !defined(ENGAGE_API)
    #if defined(WIN32)
        #ifdef ENGAGE_EXPORTS
            // Windows needs dllexport to produce an import lib without a .DEF file
            #define ENGAGE_API  __declspec(dllexport) extern
        #else
            #define ENGAGE_API  extern
        #endif
    #else
        #define ENGAGE_API  __attribute__ ((visibility ("default")))
    #endif
#endif
 
typedef enum {
    eadCreateInstance = 1,
 
    eadDestroyInstance,
 
    eadStart,
 
    eadStop,
 
    eadPause,
 
    eadResume,
 
    eadReset,
 
    eadRestart
} EngageAudioDeviceCtlOp_t;
 
static const int ENGAGE_AUDIO_DEVICE_RESULT_OK = 0;
 
static const int ENGAGE_AUDIO_DEVICE_GENERAL_ERROR = -1;
 
static const int ENGAGE_AUDIO_DEVICE_INVALID_CONFIGURATION = -2;
 
static const int ENGAGE_AUDIO_DEVICE_INVALID_DEVICE_ID = -3;
 
static const int ENGAGE_AUDIO_DEVICE_INVALID_INSTANCE_ID = -4;
 
static const int ENGAGE_AUDIO_DEVICE_INVALID_COMBINED_DEVICE_ID_AND_INSTANCE_ID = -5;
 
static const int ENGAGE_AUDIO_DEVICE_INVALID_OPERATION = -6;
 
typedef int (*PFN_ENGAGE_AUDIO_DEVICE_CTL)(int16_t deviceId, int16_t instanceId, EngageAudioDeviceCtlOp_t op, uintptr_t p1);
 
ENGAGE_API int16_t engageAudioDeviceRegister(const char *jsonConfiguration, PFN_ENGAGE_AUDIO_DEVICE_CTL pfnCtl);
 
ENGAGE_API int16_t engageAudioDeviceUnregister(int16_t deviceId);
 
ENGAGE_API int16_t engageAudioDeviceWriteBuffer(int16_t deviceId, int16_t instanceId, const int16_t *buffer, size_t samples);
 
ENGAGE_API int16_t engageAudioDeviceReadBuffer(int16_t deviceId, int16_t instanceId, int16_t *buffer, size_t samples);
 
#ifdef __cplusplus
}
#endif
#endif // EngageAudioDevice_h