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/* This file is part of the KDE project. |
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|
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Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). |
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|
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This library is free software: you can redistribute it and/or modify |
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it under the terms of the GNU Lesser General Public License as published by |
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the Free Software Foundation, either version 2.1 or 3 of the License. |
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|
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This library is distributed in the hope that it will be useful, |
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but WITHOUT ANY WARRANTY; without even the implied warranty of |
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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GNU Lesser General Public License for more details. |
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|
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You should have received a copy of the GNU Lesser General Public License |
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along with this library. If not, see <http://www.gnu.org/licenses/>. |
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*/ |
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|
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#include "audiopartoutput.h" |
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|
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QT_BEGIN_NAMESPACE |
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|
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namespace Phonon |
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{ |
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namespace QT7 |
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{ |
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|
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AudioPartOutput::AudioPartOutput() |
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: AudioNode() |
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{ |
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} |
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|
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AudioPartOutput::~AudioPartOutput() |
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{ |
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} |
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|
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ComponentDescription AudioPartOutput::getAudioNodeDescription() const |
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{ |
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ComponentDescription description; |
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description.componentType = kAudioUnitType_Output; |
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description.componentSubType = kAudioUnitSubType_DefaultOutput; |
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description.componentManufacturer = kAudioUnitManufacturer_Apple; |
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description.componentFlags = 0; |
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description.componentFlagsMask = 0; |
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return description; |
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} |
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|
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void AudioPartOutput::initializeAudioUnit(AudioNode *source) |
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{ |
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m_audioStreamDescription = source->outputStreamDescription(); |
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m_audioChannelLayout = source->outputChannelLayout(); |
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m_audioChannelLayoutSize = source->outputChannelLayoutSize(); |
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|
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// Specify the stream format: |
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OSStatus err; |
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err = AudioUnitSetProperty(m_audioUnit, |
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kAudioUnitProperty_StreamFormat, kAudioUnitScope_Input, |
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0, m_audioStreamDescription, sizeof(AudioStreamBasicDescription)); |
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BACKEND_ASSERT2(err == noErr, "Could not set stream format on audio output unit.", FATAL_ERROR) |
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|
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// Set the channel layout: |
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err = AudioUnitSetProperty(m_audioUnit, |
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kAudioUnitProperty_AudioChannelLayout, kAudioUnitScope_Input, |
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0, m_audioChannelLayout, m_audioChannelLayoutSize); |
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BACKEND_ASSERT2(err == noErr, "Could not set channel layout on audio output unit.", FATAL_ERROR) |
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} |
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|
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}} // namespace Phonon::QT7 |
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|
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QT_END_NAMESPACE |
