/*

 * Copyright (c) 2003, 2012, Oracle and/or its affiliates. All rights reserved.

 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

 *

 * This code is free software; you can redistribute it and/or modify it

 * under the terms of the GNU General Public License version 2 only, as

 * published by the Free Software Foundation.  Oracle designates this

 * particular file as subject to the "Classpath" exception as provided

 * by Oracle in the LICENSE file that accompanied this code.

 *

 * This code is distributed in the hope that it will be useful, but WITHOUT

 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

 * version 2 for more details (a copy is included in the LICENSE file that

 * accompanied this code).

 *

 * You should have received a copy of the GNU General Public License version

 * 2 along with this work; if not, write to the Free Software Foundation,

 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

 *

 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

 * or visit www.oracle.com if you need additional information or have any

 * questions.

 */

#include <CoreAudio/CoreAudio.h>

#include <pthread.h>

extern "C" {

#include "Utilities.h"

}

#ifdef USE_ERROR

#define OS_ERROR_END(err) {                     \

    char errStr[32];                            \

    snprintf(errStr, 32, "%d('%c%c%c%c')>", (int)err, (char)(err >> 24), (char)(err >> 16), (char)(err >> 8), (char)err); \

    ERROR1(" ERROR %s\n", errStr);              \

}

#define OS_ERROR0(err, string)                  { ERROR0(string); OS_ERROR_END(err); }

#define OS_ERROR1(err, string, p1)              { ERROR1(string, p1); OS_ERROR_END(err); }

#define OS_ERROR2(err, string, p1, p2)          { ERROR2(string, p1, p2); OS_ERROR_END(err); }

#define OS_ERROR3(err, string, p1, p2, p3)      { ERROR3(string, p1, p2, p3); OS_ERROR_END(err); }

#define OS_ERROR4(err, string, p1, p2, p3, p4)  { ERROR4(string, p1, p2, p3, p4); OS_ERROR_END(err); }

#else

#define OS_ERROR0(err, string)

#define OS_ERROR1(err, string, p1)

#define OS_ERROR2(err, string, p1, p2)

#define OS_ERROR3(err, string, p1, p2, p3)

#define OS_ERROR4(err, string, p1, p2, p3, p4)

#endif

// Simple mutex wrapper class

class MutexLock {

private:

    pthread_mutex_t lockMutex;

public:

    MutexLock() { pthread_mutex_init(&lockMutex, NULL); }

    ~MutexLock() { pthread_mutex_destroy(&lockMutex); }

    void Lock() { pthread_mutex_lock(&lockMutex); }

    void Unlock() { pthread_mutex_unlock(&lockMutex); }

    class Locker {

    public:

        Locker(MutexLock &lock) : pLock(&lock) { pLock->Lock(); }

        ~Locker() { pLock->Unlock(); }

    private:

        MutexLock *pLock;

    };

};

// DirectAudio and Ports need own caches of the device list

class DeviceList {

public:

    DeviceList();

    ~DeviceList();

    OSStatus Refresh();

    int GetCount();

    AudioDeviceID GetDeviceID(int index);

    // stringLength specified length of name, vendor, description & version strings

    bool GetDeviceInfo(int index, AudioDeviceID *deviceID, int stringLength, char *name, char *vendor, char *description, char *version);

private:

    int count;

    AudioDeviceID *devices;

    MutexLock lock;

    void Free();

    static OSStatus NotificationCallback(AudioObjectID inObjectID,

        UInt32 inNumberAddresses, const AudioObjectPropertyAddress inAddresses[], void *inClientData);

};

int MACOSX_DAUDIO_Init();

AudioDeviceID GetDefaultDevice(int isSource);

int GetChannelCount(AudioDeviceID deviceID, int isSource);

float GetSampleRate(AudioDeviceID deviceID, int isSource);

// wrappers for AudioObjectGetPropertyDataSize/AudioObjectGetPropertyData (master element)

OSStatus GetAudioObjectPropertySize(AudioObjectID object, AudioObjectPropertyScope scope, AudioObjectPropertySelector prop, UInt32 *size);

OSStatus GetAudioObjectProperty(AudioObjectID object, AudioObjectPropertyScope scope, AudioObjectPropertySelector prop, UInt32 *size, void *data);

OSStatus GetAudioObjectProperty(AudioObjectID object, AudioObjectPropertyScope scope, AudioObjectPropertySelector prop, UInt32 size, void *data, int checkSize);

// wrapper for AudioObjectSetPropertyData (kAudioObjectPropertyElementMaster)

OSStatus SetAudioObjectProperty(AudioObjectID object, AudioObjectPropertyScope scope, AudioObjectPropertySelector prop, UInt32 size, void *data);