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/* This file is part of the KDE project.
Copyright (C) 2012 Digia Plc and/or its subsidiary(-ies).
This library is free software: you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation, either version 2.1 or 3 of the License.
This library 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 Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License
along with this library. If not, see <http://www.gnu.org/licenses/>.
*/
#include "audiopartoutput.h"
QT_BEGIN_NAMESPACE
namespace Phonon
{
namespace QT7
{
AudioPartOutput::AudioPartOutput()
: AudioNode()
{
}
AudioPartOutput::~AudioPartOutput()
{
}
ComponentDescription AudioPartOutput::getAudioNodeDescription() const
{
ComponentDescription description;
description.componentType = kAudioUnitType_Output;
description.componentSubType = kAudioUnitSubType_DefaultOutput;
description.componentManufacturer = kAudioUnitManufacturer_Apple;
description.componentFlags = 0;
description.componentFlagsMask = 0;
return description;
}
void AudioPartOutput::initializeAudioUnit(AudioNode *source)
{
m_audioStreamDescription = source->outputStreamDescription();
m_audioChannelLayout = source->outputChannelLayout();
m_audioChannelLayoutSize = source->outputChannelLayoutSize();
// Specify the stream format:
OSStatus err;
err = AudioUnitSetProperty(m_audioUnit,
kAudioUnitProperty_StreamFormat, kAudioUnitScope_Input,
0, m_audioStreamDescription, sizeof(AudioStreamBasicDescription));
BACKEND_ASSERT2(err == noErr, "Could not set stream format on audio output unit.", FATAL_ERROR)
// Set the channel layout:
err = AudioUnitSetProperty(m_audioUnit,
kAudioUnitProperty_AudioChannelLayout, kAudioUnitScope_Input,
0, m_audioChannelLayout, m_audioChannelLayoutSize);
BACKEND_ASSERT2(err == noErr, "Could not set channel layout on audio output unit.", FATAL_ERROR)
}
}} // namespace Phonon::QT7
QT_END_NAMESPACE
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