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Diffstat (limited to 'src/multimedia/audio/qaudiodevicefactory.cpp')
| -rw-r--r-- | src/multimedia/audio/qaudiodevicefactory.cpp | 259 |
1 files changed, 0 insertions, 259 deletions
diff --git a/src/multimedia/audio/qaudiodevicefactory.cpp b/src/multimedia/audio/qaudiodevicefactory.cpp deleted file mode 100644 index cf770c468..000000000 --- a/src/multimedia/audio/qaudiodevicefactory.cpp +++ /dev/null @@ -1,259 +0,0 @@ -/**************************************************************************** -** -** Copyright (C) 2016 The Qt Company Ltd. -** Contact: https://www.qt.io/licensing/ -** -** This file is part of the Qt Toolkit. -** -** $QT_BEGIN_LICENSE:LGPL$ -** Commercial License Usage -** Licensees holding valid commercial Qt licenses may use this file in -** accordance with the commercial license agreement provided with the -** Software or, alternatively, in accordance with the terms contained in -** a written agreement between you and The Qt Company. For licensing terms -** and conditions see https://www.qt.io/terms-conditions. For further -** information use the contact form at https://www.qt.io/contact-us. -** -** GNU Lesser General Public License Usage -** Alternatively, this file may be used under the terms of the GNU Lesser -** General Public License version 3 as published by the Free Software -** Foundation and appearing in the file LICENSE.LGPL3 included in the -** packaging of this file. Please review the following information to -** ensure the GNU Lesser General Public License version 3 requirements -** will be met: https://www.gnu.org/licenses/lgpl-3.0.html. -** -** GNU General Public License Usage -** Alternatively, this file may be used under the terms of the GNU -** General Public License version 2.0 or (at your option) the GNU General -** Public license version 3 or any later version approved by the KDE Free -** Qt Foundation. The licenses are as published by the Free Software -** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3 -** included in the packaging of this file. Please review the following -** information to ensure the GNU General Public License requirements will -** be met: https://www.gnu.org/licenses/gpl-2.0.html and -** https://www.gnu.org/licenses/gpl-3.0.html. -** -** $QT_END_LICENSE$ -** -****************************************************************************/ - -#include <QtCore/qdebug.h> - -#include "qaudiosystem.h" -#include "qaudiosystemplugin.h" -#include "qaudiosystempluginext_p.h" - -#include "qmediapluginloader_p.h" -#include "qaudiodevicefactory_p.h" - -QT_BEGIN_NAMESPACE - -static QString defaultKey() -{ - return QStringLiteral("default"); -} - -#if !defined (QT_NO_LIBRARY) && !defined(QT_NO_SETTINGS) -Q_GLOBAL_STATIC_WITH_ARGS(QMediaPluginLoader, audioLoader, - (QAudioSystemFactoryInterface_iid, QLatin1String("audio"), Qt::CaseInsensitive)) -#endif - -class QNullDeviceInfo : public QAbstractAudioDeviceInfo -{ -public: - QAudioFormat preferredFormat() const override { qWarning()<<"using null deviceinfo, none available"; return QAudioFormat(); } - bool isFormatSupported(const QAudioFormat& ) const override { return false; } - QAudioFormat nearestFormat(const QAudioFormat& ) const { return QAudioFormat(); } - QString deviceName() const override { return QString(); } - QStringList supportedCodecs() override { return QStringList(); } - QList<int> supportedSampleRates() override { return QList<int>(); } - QList<int> supportedChannelCounts() override { return QList<int>(); } - QList<int> supportedSampleSizes() override { return QList<int>(); } - QList<QAudioFormat::Endian> supportedByteOrders() override { return QList<QAudioFormat::Endian>(); } - QList<QAudioFormat::SampleType> supportedSampleTypes() override { return QList<QAudioFormat::SampleType>(); } -}; - -class QNullInputDevice : public QAbstractAudioInput -{ -public: - void start(QIODevice*) override { qWarning()<<"using null input device, none available";} - QIODevice *start() override { qWarning()<<"using null input device, none available"; return nullptr; } - void stop() override {} - void reset() override {} - void suspend() override {} - void resume() override {} - int bytesReady() const override { return 0; } - int periodSize() const override { return 0; } - void setBufferSize(int ) override {} - int bufferSize() const override { return 0; } - void setNotifyInterval(int ) override {} - int notifyInterval() const override { return 0; } - qint64 processedUSecs() const override { return 0; } - qint64 elapsedUSecs() const override { return 0; } - QAudio::Error error() const override { return QAudio::OpenError; } - QAudio::State state() const override { return QAudio::StoppedState; } - void setFormat(const QAudioFormat&) override {} - QAudioFormat format() const override { return QAudioFormat(); } - void setVolume(qreal) override {} - qreal volume() const override {return 1.0f;} -}; - -class QNullOutputDevice : public QAbstractAudioOutput -{ -public: - void start(QIODevice*) override {qWarning()<<"using null output device, none available";} - QIODevice *start() override { qWarning()<<"using null output device, none available"; return nullptr; } - void stop() override {} - void reset() override {} - void suspend() override {} - void resume() override {} - int bytesFree() const override { return 0; } - int periodSize() const override { return 0; } - void setBufferSize(int ) override {} - int bufferSize() const override { return 0; } - void setNotifyInterval(int ) override {} - int notifyInterval() const override { return 0; } - qint64 processedUSecs() const override { return 0; } - qint64 elapsedUSecs() const override { return 0; } - QAudio::Error error() const override { return QAudio::OpenError; } - QAudio::State state() const override { return QAudio::StoppedState; } - void setFormat(const QAudioFormat&) override {} - QAudioFormat format() const override { return QAudioFormat(); } -}; - -QList<QAudioDeviceInfo> QAudioDeviceFactory::availableDevices(QAudio::Mode mode) -{ - QList<QAudioDeviceInfo> devices; -#if !defined (QT_NO_LIBRARY) && !defined(QT_NO_SETTINGS) - QMediaPluginLoader* l = audioLoader(); - const auto keys = l->keys(); - for (const QString& key : keys) { - QAudioSystemFactoryInterface* plugin = qobject_cast<QAudioSystemFactoryInterface*>(l->instance(key)); - if (plugin) { - const auto availableDevices = plugin->availableDevices(mode); - for (const QByteArray& handle : availableDevices) - devices << QAudioDeviceInfo(key, handle, mode); - } - } -#endif - - return devices; -} - -QAudioDeviceInfo QAudioDeviceFactory::defaultDevice(QAudio::Mode mode) -{ -#if !defined (QT_NO_LIBRARY) && !defined(QT_NO_SETTINGS) - QMediaPluginLoader* l = audioLoader(); - - // Check if there is a default plugin. - QAudioSystemFactoryInterface *plugin = qobject_cast<QAudioSystemFactoryInterface *>(l->instance(defaultKey())); - if (plugin) { - // Check if the plugin has the extension interface. - QAudioSystemPluginExtension *pluginExt = qobject_cast<QAudioSystemPluginExtension *>(l->instance(defaultKey())); - // Ask for the default device. - if (pluginExt) { - const QByteArray &device = pluginExt->defaultDevice(mode); - if (!device.isEmpty()) - return QAudioDeviceInfo(defaultKey(), device, mode); - } - - // If there were no default devices, e.g., if the plugin did not implement the extent-ion interface, - // then just pick the first device that's available. - const auto &devices = plugin->availableDevices(mode); - if (!devices.isEmpty()) - return QAudioDeviceInfo(defaultKey(), devices.first(), mode); - } - - // If no plugin is marked as default, check the other plugins. - // Note: We're going to prioritize plugins that report a default device. - const auto &keys = l->keys(); - QAudioDeviceInfo fallbackDevice; - for (const auto &key : keys) { - if (key == defaultKey()) - continue; - QAudioSystemFactoryInterface* plugin = qobject_cast<QAudioSystemFactoryInterface*>(l->instance(key)); - if (plugin) { - // Check if the plugin has the extent-ion interface. - QAudioSystemPluginExtension *pluginExt = qobject_cast<QAudioSystemPluginExtension *>(l->instance(key)); - if (pluginExt) { - const QByteArray &device = pluginExt->defaultDevice(mode); - if (!device.isEmpty()) - return QAudioDeviceInfo(key, device, mode); - } else if (fallbackDevice.isNull()) { - const auto &devices = plugin->availableDevices(mode); - if (!devices.isEmpty()) - fallbackDevice = QAudioDeviceInfo(key, devices.first(), mode); - } - } - } - -#endif - - return QAudioDeviceInfo(); -} - -QAbstractAudioDeviceInfo* QAudioDeviceFactory::audioDeviceInfo(const QString &realm, const QByteArray &handle, QAudio::Mode mode) -{ - QAbstractAudioDeviceInfo *rc = nullptr; - -#if !defined (QT_NO_LIBRARY) && !defined(QT_NO_SETTINGS) - QAudioSystemFactoryInterface* plugin = - qobject_cast<QAudioSystemFactoryInterface*>(audioLoader()->instance(realm)); - - if (plugin) - rc = plugin->createDeviceInfo(handle, mode); -#endif - - return rc == nullptr ? new QNullDeviceInfo() : rc; -} - -QAbstractAudioInput* QAudioDeviceFactory::createDefaultInputDevice(QAudioFormat const &format) -{ - return createInputDevice(defaultDevice(QAudio::AudioInput), format); -} - -QAbstractAudioOutput* QAudioDeviceFactory::createDefaultOutputDevice(QAudioFormat const &format) -{ - return createOutputDevice(defaultDevice(QAudio::AudioOutput), format); -} - -QAbstractAudioInput* QAudioDeviceFactory::createInputDevice(QAudioDeviceInfo const& deviceInfo, QAudioFormat const &format) -{ - if (deviceInfo.isNull()) - return new QNullInputDevice(); - -#if !defined (QT_NO_LIBRARY) && !defined(QT_NO_SETTINGS) - QAudioSystemFactoryInterface* plugin = - qobject_cast<QAudioSystemFactoryInterface*>(audioLoader()->instance(deviceInfo.realm())); - - if (plugin) { - QAbstractAudioInput* p = plugin->createInput(deviceInfo.handle()); - if (p) p->setFormat(format); - return p; - } -#endif - - return new QNullInputDevice(); -} - -QAbstractAudioOutput* QAudioDeviceFactory::createOutputDevice(QAudioDeviceInfo const& deviceInfo, QAudioFormat const &format) -{ - if (deviceInfo.isNull()) - return new QNullOutputDevice(); - -#if !defined (QT_NO_LIBRARY) && !defined(QT_NO_SETTINGS) - QAudioSystemFactoryInterface* plugin = - qobject_cast<QAudioSystemFactoryInterface*>(audioLoader()->instance(deviceInfo.realm())); - - if (plugin) { - QAbstractAudioOutput* p = plugin->createOutput(deviceInfo.handle()); - if (p) p->setFormat(format); - return p; - } -#endif - - return new QNullOutputDevice(); -} - -QT_END_NAMESPACE - |