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/* 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 "audiodevice.h"
#include "audiograph.h"
#include <QtCore/QVector>
#include "backendheader.h"
QT_BEGIN_NAMESPACE
namespace Phonon
{
namespace QT7
{
QList<AudioDeviceID> AudioDevice::devices(Scope scope)
{
QList<AudioDeviceID> devices;
// Insert the default device explicit
if (AudioDeviceID defdev = defaultDevice(scope))
devices << defdev;
// How many input/output devices are awailable:
UInt32 deviceCount = 0;
OSStatus err = AudioHardwareGetPropertyInfo(kAudioHardwarePropertyDevices, &deviceCount, 0);
BACKEND_ASSERT3(err == noErr, "Could not get number of audio devices awailable.", FATAL_ERROR, devices)
// Get list of all devices:
AudioDeviceID deviceArray[deviceCount];
err = AudioHardwareGetProperty(kAudioHardwarePropertyDevices, &deviceCount, &deviceArray);
BACKEND_ASSERT3(err == noErr, "Could not get audio devices list.", FATAL_ERROR, devices)
for (uint i=0; i<deviceCount; i++){
if (!devices.contains(deviceArray[i])){
// Check if the current device is input or output:
UInt32 size;
err = AudioDeviceGetPropertyInfo(deviceArray[i], 0, scope == In, kAudioDevicePropertyStreams, &size, 0);
if (err == noErr && size > 0)
devices << deviceArray[i];
}
}
return devices;
}
AudioDeviceID AudioDevice::defaultSystemDevice(Scope scope)
{
ARGUMENT_UNSUPPORTED(scope, In, NORMAL_ERROR, 0)
AudioDeviceID deviceID = 0;
UInt32 size = sizeof(deviceID);
OSStatus err = AudioHardwareGetProperty(kAudioHardwarePropertyDefaultSystemOutputDevice, &size, &deviceID);
BACKEND_ASSERT3(err == noErr, "Could not get default system audio device.", FATAL_ERROR, 0)
return deviceID;
}
AudioDeviceID AudioDevice::defaultDevice(Scope scope)
{
ARGUMENT_UNSUPPORTED(scope, In, NORMAL_ERROR, 0)
AudioDeviceID deviceID = 0;
UInt32 size = sizeof(deviceID);
OSStatus err = AudioHardwareGetProperty(kAudioHardwarePropertyDefaultOutputDevice, &size, &deviceID);
BACKEND_ASSERT3(err == noErr, "Could not get default output audio device.", FATAL_ERROR, 0)
return deviceID;
}
AudioDeviceID AudioDevice::currentDevice(AudioUnit /*unit*/, Scope /*scope*/)
{
return 0;
#if 0
kAudioDevicePropertyDeviceUID
if (!m_audioUnit)
return 0;
AudioDeviceID deviceID = 0;
UInt32 size = sizeof(deviceID);
OSStatus err = AudioUnitGetProperty(m_audioUnit, kAudioOutputUnitProperty_CurrentDevice, kAudioUnitScope_Global, 0, &size, &deviceID);
BACKEND_ASSERT3(err == noErr, "Could not get current audio device.", FATAL_ERROR, 0)
return deviceID;
#endif
}
bool AudioDevice::setDevice(AudioUnit unit, AudioDeviceID deviceID, Scope scope)
{
ARGUMENT_UNSUPPORTED(scope, In, NORMAL_ERROR, false)
UInt32 size = sizeof(deviceID);
OSStatus err = AudioUnitSetProperty(unit, kAudioOutputUnitProperty_CurrentDevice, kAudioUnitScope_Global, 0, &deviceID, size);
if (err != noErr)
return false;
return true;
}
QString AudioDevice::deviceSourceNameElseDeviceName(AudioDeviceID deviceID)
{
QString name = deviceSourceName(deviceID);
if (name.isEmpty())
name = deviceName(deviceID);
return name;
}
QString AudioDevice::deviceNameElseDeviceSourceName(AudioDeviceID deviceID)
{
QString name = deviceName(deviceID);
if (name.isEmpty())
name = deviceSourceName(deviceID);
return name;
}
QString AudioDevice::deviceName(AudioDeviceID deviceID)
{
if (!deviceID)
return QString();
CFStringRef cfString = 0;
UInt32 size = sizeof(cfString);
OSStatus err = AudioDeviceGetProperty(deviceID, 0, 0, kAudioDevicePropertyDeviceNameCFString, &size, &cfString);
if (err != noErr)
return QString();
QString name = PhononCFString::toQString(cfString);
CFRelease(cfString);
return name;
}
QString AudioDevice::deviceSourceName(AudioDeviceID deviceID)
{
if (!deviceID)
return QString();
UInt32 dataSource = 0;
UInt32 size = sizeof(dataSource);
OSStatus err = AudioDeviceGetProperty(deviceID, 0, 0, kAudioDevicePropertyDataSource, &size, &dataSource);
if (err != noErr)
return QString();
CFStringRef cfName = 0;
AudioValueTranslation translation = {&dataSource, sizeof(dataSource), &cfName, sizeof(cfName)};
size = sizeof(translation);
err = AudioDeviceGetProperty(deviceID, 0, 0, kAudioDevicePropertyDataSourceNameForIDCFString, &size, &translation);
if (err != noErr){
CFRelease(cfName);
return QString();
}
QString name = PhononCFString::toQString(cfName);
CFRelease(cfName);
return name;
}
QString AudioDevice::deviceUID(AudioDeviceID deviceID)
{
if (!deviceID)
return QString();
CFStringRef cfString = 0;
UInt32 size = sizeof(cfString);
OSStatus err = AudioDeviceGetProperty(deviceID, 0, 0, kAudioDevicePropertyDeviceUID, &size, &cfString);
if (err != noErr)
return QString();
QString uid = PhononCFString::toQString(cfString);
CFRelease(cfString);
return uid;
}
}} //namespace Phonon::QT7
QT_END_NAMESPACE
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