--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/qtmobility/src/multimedia/audio/qaudiodeviceinfo_mac_p.cpp Wed Jun 23 19:08:38 2010 +0300
@@ -0,0 +1,333 @@
+/****************************************************************************
+**
+** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the Qt Mobility Components.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the Technology Preview License Agreement accompanying
+** this package.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file. Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain additional
+** rights. These rights are described in the Nokia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+//
+// W A R N I N G
+// -------------
+//
+// This file is not part of the Qt API. It exists for the convenience
+// of other Qt classes. This header file may change from version to
+// version without notice, or even be removed.
+//
+// We mean it.
+//
+
+#include <QtCore/qstringlist.h>
+#include <QtCore/qlist.h>
+#include <QtCore/qbytearray.h>
+#include <QtCore/qdatastream.h>
+#include <QtCore/qdebug.h>
+#include <private/qcore_mac_p.h>
+
+#include <qaudiodeviceinfo.h>
+#include "qaudio_mac_p.h"
+#include "qaudiodeviceinfo_mac_p.h"
+
+
+
+QT_BEGIN_NAMESPACE
+
+
+QAudioDeviceInfoInternal::QAudioDeviceInfoInternal(QByteArray const& handle, QAudio::Mode)
+{
+ QDataStream ds(handle);
+ quint32 did, tm;
+
+ ds >> did >> tm >> name;
+ deviceId = AudioDeviceID(did);
+ mode = QAudio::Mode(tm);
+}
+
+bool QAudioDeviceInfoInternal::isFormatSupported(const QAudioFormat& format) const
+{
+ return format.codec() == QString::fromLatin1("audio/pcm");
+}
+
+QAudioFormat QAudioDeviceInfoInternal::preferredFormat() const
+{
+ QAudioFormat rc;
+
+ UInt32 propSize = 0;
+
+ if (AudioDeviceGetPropertyInfo(deviceId,
+ 0,
+ mode == QAudio::AudioInput,
+ kAudioDevicePropertyStreams,
+ &propSize,
+ 0) == noErr) {
+
+ const int sc = propSize / sizeof(AudioStreamID);
+
+ if (sc > 0) {
+ AudioStreamID* streams = new AudioStreamID[sc];
+
+ if (AudioDeviceGetProperty(deviceId,
+ 0,
+ mode == QAudio::AudioInput,
+ kAudioDevicePropertyStreams,
+ &propSize,
+ streams) == noErr) {
+
+ for (int i = 0; i < sc; ++i) {
+ if (AudioStreamGetPropertyInfo(streams[i],
+ 0,
+ kAudioStreamPropertyPhysicalFormat,
+ &propSize,
+ 0) == noErr) {
+
+ AudioStreamBasicDescription sf;
+
+ if (AudioStreamGetProperty(streams[i],
+ 0,
+ kAudioStreamPropertyPhysicalFormat,
+ &propSize,
+ &sf) == noErr) {
+ rc = toQAudioFormat(sf);
+ break;
+ }
+ }
+ }
+ }
+
+ delete streams;
+ }
+ }
+
+ return rc;
+}
+
+QString QAudioDeviceInfoInternal::deviceName() const
+{
+ return name;
+}
+
+QStringList QAudioDeviceInfoInternal::supportedCodecs()
+{
+ return QStringList() << QString::fromLatin1("audio/pcm");
+}
+
+QList<int> QAudioDeviceInfoInternal::supportedSampleRates()
+{
+ QSet<int> rc;
+
+ // Add some common frequencies
+ rc << 8000 << 11025 << 22050 << 44100;
+
+ //
+ UInt32 propSize = 0;
+
+ if (AudioDeviceGetPropertyInfo(deviceId,
+ 0,
+ mode == QAudio::AudioInput,
+ kAudioDevicePropertyAvailableNominalSampleRates,
+ &propSize,
+ 0) == noErr) {
+
+ const int pc = propSize / sizeof(AudioValueRange);
+
+ if (pc > 0) {
+ AudioValueRange* vr = new AudioValueRange[pc];
+
+ if (AudioDeviceGetProperty(deviceId,
+ 0,
+ mode == QAudio::AudioInput,
+ kAudioDevicePropertyAvailableNominalSampleRates,
+ &propSize,
+ vr) == noErr) {
+
+ for (int i = 0; i < pc; ++i)
+ rc << vr[i].mMaximum;
+ }
+
+ delete vr;
+ }
+ }
+
+ return rc.toList();
+}
+
+QList<int> QAudioDeviceInfoInternal::supportedChannelCounts()
+{
+ QList<int> rc;
+
+ // Can mix down to 1 channel
+ rc << 1;
+
+ UInt32 propSize = 0;
+ int channels = 0;
+
+ if (AudioDeviceGetPropertyInfo(deviceId,
+ 0,
+ mode == QAudio::AudioInput,
+ kAudioDevicePropertyStreamConfiguration,
+ &propSize,
+ 0) == noErr) {
+
+ AudioBufferList* audioBufferList = static_cast<AudioBufferList*>(qMalloc(propSize));
+
+ if (audioBufferList != 0) {
+ if (AudioDeviceGetProperty(deviceId,
+ 0,
+ mode == QAudio::AudioInput,
+ kAudioDevicePropertyStreamConfiguration,
+ &propSize,
+ audioBufferList) == noErr) {
+
+ for (int i = 0; i < int(audioBufferList->mNumberBuffers); ++i) {
+ channels += audioBufferList->mBuffers[i].mNumberChannels;
+ rc << channels;
+ }
+ }
+
+ qFree(audioBufferList);
+ }
+ }
+
+ return rc;
+}
+
+QList<int> QAudioDeviceInfoInternal::supportedSampleSizes()
+{
+ return QList<int>() << 8 << 16 << 24 << 32 << 64;
+}
+
+QList<QAudioFormat::Endian> QAudioDeviceInfoInternal::supportedByteOrders()
+{
+ return QList<QAudioFormat::Endian>() << QAudioFormat::LittleEndian << QAudioFormat::BigEndian;
+}
+
+QList<QAudioFormat::SampleType> QAudioDeviceInfoInternal::supportedSampleTypes()
+{
+ return QList<QAudioFormat::SampleType>() << QAudioFormat::SignedInt << QAudioFormat::UnSignedInt << QAudioFormat::Float;
+}
+
+static QByteArray get_device_info(AudioDeviceID audioDevice, QAudio::Mode mode)
+{
+ UInt32 size;
+ QByteArray device;
+ QDataStream ds(&device, QIODevice::WriteOnly);
+ AudioStreamBasicDescription sf;
+ CFStringRef name;
+ Boolean isInput = mode == QAudio::AudioInput;
+
+ // Id
+ ds << quint32(audioDevice);
+
+ // Mode
+ size = sizeof(AudioStreamBasicDescription);
+ if (AudioDeviceGetProperty(audioDevice, 0, isInput, kAudioDevicePropertyStreamFormat,
+ &size, &sf) != noErr) {
+ return QByteArray();
+ }
+ ds << quint32(mode);
+
+ // Name
+ size = sizeof(CFStringRef);
+ if (AudioDeviceGetProperty(audioDevice, 0, isInput, kAudioObjectPropertyName,
+ &size, &name) != noErr) {
+ qWarning() << "QAudioDeviceInfo: Unable to find device name";
+ }
+ ds << QCFString::toQString(name);
+
+ CFRelease(name);
+
+ return device;
+}
+
+QByteArray QAudioDeviceInfoInternal::defaultInputDevice()
+{
+ AudioDeviceID audioDevice;
+ UInt32 size = sizeof(audioDevice);
+
+ if (AudioHardwareGetProperty(kAudioHardwarePropertyDefaultInputDevice, &size,
+ &audioDevice) != noErr) {
+ qWarning() << "QAudioDeviceInfo: Unable to find default input device";
+ return QByteArray();
+ }
+
+ return get_device_info(audioDevice, QAudio::AudioInput);
+}
+
+QByteArray QAudioDeviceInfoInternal::defaultOutputDevice()
+{
+ AudioDeviceID audioDevice;
+ UInt32 size = sizeof(audioDevice);
+
+ if (AudioHardwareGetProperty(kAudioHardwarePropertyDefaultOutputDevice, &size,
+ &audioDevice) != noErr) {
+ qWarning() << "QAudioDeviceInfo: Unable to find default output device";
+ return QByteArray();
+ }
+
+ return get_device_info(audioDevice, QAudio::AudioOutput);
+}
+
+QList<QByteArray> QAudioDeviceInfoInternal::availableDevices(QAudio::Mode mode)
+{
+ QList<QByteArray> devices;
+
+ UInt32 propSize = 0;
+
+ if (AudioHardwareGetPropertyInfo(kAudioHardwarePropertyDevices, &propSize, 0) == noErr) {
+
+ const int dc = propSize / sizeof(AudioDeviceID);
+
+ if (dc > 0) {
+ AudioDeviceID* audioDevices = new AudioDeviceID[dc];
+
+ if (AudioHardwareGetProperty(kAudioHardwarePropertyDevices, &propSize, audioDevices) == noErr) {
+ for (int i = 0; i < dc; ++i) {
+ QByteArray info = get_device_info(audioDevices[i], mode);
+ if (!info.isNull())
+ devices << info;
+ }
+ }
+
+ delete audioDevices;
+ }
+ }
+
+ return devices;
+}
+
+
+QT_END_NAMESPACE
+