diff options
Diffstat (limited to 'src/plugins/audio/symbian/symbianaudiodeviceinfo.cpp')
| -rw-r--r-- | src/plugins/audio/symbian/symbianaudiodeviceinfo.cpp | 191 |
1 files changed, 191 insertions, 0 deletions
diff --git a/src/plugins/audio/symbian/symbianaudiodeviceinfo.cpp b/src/plugins/audio/symbian/symbianaudiodeviceinfo.cpp new file mode 100644 index 0000000..b8d59de --- /dev/null +++ b/src/plugins/audio/symbian/symbianaudiodeviceinfo.cpp @@ -0,0 +1,191 @@ +/**************************************************************************** +** +** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). +** Contact: Qt Software Information (qt-info@nokia.com) +** +** This file is part of the plugins of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL$ +** 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 either Technology Preview License Agreement or the +** Beta Release License Agreement. +** +** 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 1.0, 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. +** +** If you are unsure which license is appropriate for your use, please +** contact the sales department at qt-sales@nokia.com. +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#include "symbianaudiodeviceinfo.h" +#include "symbianaudioutils.h" + +QT_BEGIN_NAMESPACE + +SymbianAudioDeviceInfo::SymbianAudioDeviceInfo(QByteArray device, + QAudio::Mode mode) + : m_deviceName(device) + , m_mode(mode) + , m_updated(false) +{ + QT_TRAP_THROWING(m_devsound.reset(CMMFDevSound::NewL())); +} + +SymbianAudioDeviceInfo::~SymbianAudioDeviceInfo() +{ + +} + +QAudioFormat SymbianAudioDeviceInfo::preferredFormat() const +{ + QAudioFormat format; + switch (m_mode) { + case QAudio::AudioOutput: + format.setFrequency(44100); + format.setChannels(2); + format.setSampleSize(16); + format.setByteOrder(QAudioFormat::LittleEndian); + format.setSampleType(QAudioFormat::SignedInt); + format.setCodec(QLatin1String("audio/pcm")); + break; + + case QAudio::AudioInput: + format.setFrequency(8000); + format.setChannels(1); + format.setSampleSize(16); + format.setByteOrder(QAudioFormat::LittleEndian); + format.setSampleType(QAudioFormat::SignedInt); + format.setCodec(QLatin1String("audio/pcm")); + break; + + default: + Q_ASSERT_X(false, Q_FUNC_INFO, "Invalid mode"); + } + + if (!isFormatSupported(format)) { + if (m_frequencies.size()) + format.setFrequency(m_frequencies[0]); + if (m_channels.size()) + format.setChannels(m_channels[0]); + if (m_sampleSizes.size()) + format.setSampleSize(m_sampleSizes[0]); + if (m_byteOrders.size()) + format.setByteOrder(m_byteOrders[0]); + if (m_sampleTypes.size()) + format.setSampleType(m_sampleTypes[0]); + } + + return format; +} + +bool SymbianAudioDeviceInfo::isFormatSupported( + const QAudioFormat &format) const +{ + getSupportedFormats(); + const bool supported = + m_codecs.contains(format.codec()) + && m_frequencies.contains(format.frequency()) + && m_channels.contains(format.channels()) + && m_sampleSizes.contains(format.sampleSize()) + && m_byteOrders.contains(format.byteOrder()) + && m_sampleTypes.contains(format.sampleType()); + + return supported; +} + +QAudioFormat SymbianAudioDeviceInfo::nearestFormat(const QAudioFormat &format) const +{ + if (isFormatSupported(format)) + return format; + else + return preferredFormat(); +} + +QString SymbianAudioDeviceInfo::deviceName() const +{ + return m_deviceName; +} + +QStringList SymbianAudioDeviceInfo::codecList() +{ + getSupportedFormats(); + return m_codecs; +} + +QList<int> SymbianAudioDeviceInfo::frequencyList() +{ + getSupportedFormats(); + return m_frequencies; +} + +QList<int> SymbianAudioDeviceInfo::channelsList() +{ + getSupportedFormats(); + return m_channels; +} + +QList<int> SymbianAudioDeviceInfo::sampleSizeList() +{ + getSupportedFormats(); + return m_sampleSizes; +} + +QList<QAudioFormat::Endian> SymbianAudioDeviceInfo::byteOrderList() +{ + getSupportedFormats(); + return m_byteOrders; +} + +QList<QAudioFormat::SampleType> SymbianAudioDeviceInfo::sampleTypeList() +{ + getSupportedFormats(); + return m_sampleTypes; +} + +QList<QByteArray> SymbianAudioDeviceInfo::deviceList(QAudio::Mode mode) +{ + Q_UNUSED(mode) + QList<QByteArray> devices; + devices.append("default"); + return devices; +} + +void SymbianAudioDeviceInfo::getSupportedFormats() const +{ + if (!m_updated) { + QScopedPointer<SymbianAudio::DevSoundCapabilities> caps( + new SymbianAudio::DevSoundCapabilities(*m_devsound, m_mode)); + + SymbianAudio::Utils::capabilitiesNativeToQt(*caps, + m_frequencies, m_channels, m_sampleSizes, + m_byteOrders, m_sampleTypes); + + m_codecs.append(QLatin1String("audio/pcm")); + + m_updated = true; + } +} + +QT_END_NAMESPACE |