/*  This file is part of the KDE project.

    Copyright (C) 2009 Nokia Corporation 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