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/*
* Copyright 2020 Max Kellermann <max.kellermann@gmail.com>
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the
* distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* FOUNDATION OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
* OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef APPLE_AUDIO_OBJECT_HXX
#define APPLE_AUDIO_OBJECT_HXX
#include "Throw.hxx"
#include "util/AllocatedArray.hxx"
#include <CoreAudio/AudioHardware.h>
#include <cstddef>
namespace Apple {
class StringRef;
}
inline std::size_t
AudioObjectGetPropertyDataSize(AudioObjectID inObjectID,
const AudioObjectPropertyAddress &inAddress)
{
UInt32 size;
OSStatus status = AudioObjectGetPropertyDataSize(inObjectID,
&inAddress,
0, nullptr, &size);
if (status != noErr)
Apple::ThrowOSStatus(status);
return size;
}
template<typename T>
T
AudioObjectGetPropertyDataT(AudioObjectID inObjectID,
const AudioObjectPropertyAddress &inAddress)
{
OSStatus status;
UInt32 size = sizeof(T);
T value;
status = AudioObjectGetPropertyData(inObjectID, &inAddress,
0, nullptr,
&size, &value);
if (status != noErr)
Apple::ThrowOSStatus(status);
return value;
}
Apple::StringRef
AudioObjectGetStringProperty(AudioObjectID inObjectID,
const AudioObjectPropertyAddress &inAddress);
template<typename T>
AllocatedArray<T>
AudioObjectGetPropertyDataArray(AudioObjectID inObjectID,
const AudioObjectPropertyAddress &inAddress)
{
OSStatus status;
UInt32 size;
status = AudioObjectGetPropertyDataSize(inObjectID,
&inAddress,
0, nullptr, &size);
if (status != noErr)
Apple::ThrowOSStatus(status);
AllocatedArray<T> result(size / sizeof(T));
status = AudioObjectGetPropertyData(inObjectID, &inAddress,
0, nullptr,
&size, result.begin());
if (status != noErr)
Apple::ThrowOSStatus(status);
return result;
}
#endif
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