1 files changed, 168 insertions, 0 deletions
diff --git a/src/3rdparty/phonon/qt7/audiooutput.mm b/src/3rdparty/phonon/qt7/audiooutput.mm
new file mode 100644
index 0000000000..38066d50c1
--- /dev/null
+++ b/src/3rdparty/phonon/qt7/audiooutput.mm
@@ -0,0 +1,168 @@
+/*  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 "audiooutput.h"
+#include "audiograph.h"
+#include "audiodevice.h"
+#include "mediaobject.h"
+
+QT_BEGIN_NAMESPACE
+
+namespace Phonon
+{
+namespace QT7
+{
+
+AudioOutputAudioPart::AudioOutputAudioPart() : AudioNode(1, 0)
+{
+    m_audioDevice = AudioDevice::defaultDevice(AudioDevice::Out);
+    m_volume = 1;
+}
+
+ComponentDescription AudioOutputAudioPart::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 AudioOutputAudioPart::initializeAudioUnit()
+{
+    setAudioDevice(m_audioDevice);
+    setVolume(m_volume);
+}
+
+void AudioOutputAudioPart::setAudioDevice(AudioDeviceID device)
+{
+    m_audioDevice = device;
+    if (!m_audioDevice)
+        return;
+    if (!m_audioUnit)
+        return;
+    bool ok = AudioDevice::setDevice(m_audioUnit, m_audioDevice, AudioDevice::Out);
+    if (!ok)
+        emit audioDeviceFailed();
+}
+
+void AudioOutputAudioPart::setVolume(float volume)
+{
+    if (volume < 0)
+        m_volume = 0;
+    if (volume > 1)
+        m_volume = 1;
+    else
+        m_volume = volume;
+
+    if (m_audioUnit){
+        float db = volume;//20.0 * log10(volume); // convert to db
+        OSStatus err = AudioUnitSetParameter(m_audioUnit, kHALOutputParam_Volume, kAudioUnitScope_Input, 0, db, 0);
+        BACKEND_ASSERT2(err == noErr, "Could not set volume on output audio unit.", FATAL_ERROR)
+        emit volumeChanged(qreal(db));
+    }
+}
+
+float AudioOutputAudioPart::volume()
+{
+    return m_volume;
+}
+
+////////////////////////////////////////////////////////////////////////////////////////
+
+AudioOutput::AudioOutput(QObject *parent) : MediaNode(AudioSink, parent)
+{
+    m_audioOutput = new AudioOutputAudioPart();
+    setAudioNode(m_audioOutput);
+    connect(m_audioOutput, SIGNAL(volumeChanged(qreal)), this, SIGNAL(volumeChanged(qreal)));
+    connect(m_audioOutput, SIGNAL(audioDeviceFailed()), this, SIGNAL(audioDeviceFailed()));
+    m_redirectToMovie = false;
+}
+
+AudioOutput::~AudioOutput()
+{
+}
+
+void AudioOutput::setVolume(qreal volume)
+{
+    IMPLEMENTED;
+    m_audioOutput->setVolume(float(volume));
+    if (m_owningMediaObject)
+       m_owningMediaObject->setVolumeOnMovie(volume);
+        
+    emit volumeChanged(m_audioOutput->volume());
+}
+
+qreal AudioOutput::volume() const
+{
+    IMPLEMENTED;
+    return qreal(m_audioOutput->volume());
+}
+
+bool AudioOutput::setOutputDevice(int device)
+{
+    IMPLEMENTED;
+    if (device == -1)
+        return false;
+
+    if (m_owningMediaObject){
+        bool ok = m_owningMediaObject->setAudioDeviceOnMovie(device);
+        if (!ok)
+            return false;
+    }
+    
+    if (m_audioGraph){
+        MediaNodeEvent event1(MediaNodeEvent::AboutToRestartAudioStream, this);
+        m_audioGraph->notify(&event1);
+    }
+    
+    m_audioOutput->setAudioDevice(device);
+    
+    if (m_audioGraph){
+        MediaNodeEvent event2(MediaNodeEvent::RestartAudioStreamRequest, this);
+        m_audioGraph->notify(&event2);
+    }
+    return true;
+}
+
+int AudioOutput::outputDevice() const
+{
+    IMPLEMENTED;
+    return m_audioOutput->m_audioDevice;
+}
+
+void AudioOutput::mediaNodeEvent(const MediaNodeEvent *event)
+{
+    switch (event->type()){
+        case MediaNodeEvent::SetMediaObject:
+            if (static_cast<MediaObject *>(event->data())){
+                setVolume(volume());
+                setOutputDevice(outputDevice());
+            }
+            break;
+        default:
+            break;
+    }
+}
+
+}} //namespace Phonon::QT7
+
+QT_END_NAMESPACE
+
+#include "moc_audiooutput.cpp"