/* 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 |