diff options
Diffstat (limited to 'src/multimedia/audio/qaudiodeviceinfo_mac_p.cpp')
| -rw-r--r-- | src/multimedia/audio/qaudiodeviceinfo_mac_p.cpp | 351 |
1 files changed, 0 insertions, 351 deletions
diff --git a/src/multimedia/audio/qaudiodeviceinfo_mac_p.cpp b/src/multimedia/audio/qaudiodeviceinfo_mac_p.cpp deleted file mode 100644 index 4c7779f..0000000 --- a/src/multimedia/audio/qaudiodeviceinfo_mac_p.cpp +++ /dev/null @@ -1,351 +0,0 @@ -/**************************************************************************** -** -** 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 Toolkit. -** -** $QT_BEGIN_LICENSE:LGPL$ -** GNU Lesser General Public License Usage -** 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. -** -** GNU General Public License Usage -** Alternatively, this file may be used under the terms of the GNU General -** Public License version 3.0 as published by the Free Software Foundation -** and appearing in the file LICENSE.GPL included in the packaging of this -** file. Please review the following information to ensure the GNU General -** Public License version 3.0 requirements will be met: -** http://www.gnu.org/copyleft/gpl.html. -** -** Other Usage -** Alternatively, this file may be used in accordance with the terms and -** conditions contained in a signed written agreement between you and Nokia. -** -** -** -** -** -** $QT_END_LICENSE$ -** -****************************************************************************/ - -// -// 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. -// -// INTERNAL USE ONLY: Do NOT use for any other purpose. -// - -#include <QtCore/qstringlist.h> -#include <QtCore/qlist.h> -#include <QtCore/qbytearray.h> -#include <QtCore/qdatastream.h> -#include <QtCore/qdebug.h> - -#include <qaudiodeviceinfo.h> -#include "qaudio_mac_p.h" -#include "qaudiodeviceinfo_mac_p.h" - - - -QT_BEGIN_NAMESPACE - -// XXX: remove at some future date -static inline QString cfStringToQString(CFStringRef str) -{ - CFIndex length = CFStringGetLength(str); - const UniChar *chars = CFStringGetCharactersPtr(str); - if (chars) - return QString(reinterpret_cast<const QChar *>(chars), length); - - UniChar buffer[length]; - CFStringGetCharacters(str, CFRangeMake(0, length), buffer); - return QString(reinterpret_cast<const QChar *>(buffer), length); -} - -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 -{ - QAudioDeviceInfoInternal *self = const_cast<QAudioDeviceInfoInternal*>(this); - - return format.isValid() - && format.codec() == QString::fromLatin1("audio/pcm") - && self->supportedSampleRates().contains(format.sampleRate()) - && self->supportedChannelCounts().contains(format.channelCount()) - && self->supportedSampleSizes().contains(format.sampleSize()); -} - -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"; - return QByteArray(); - } - ds << cfStringToQString(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 - |