diff options
Diffstat (limited to 'src/multimedia/audio')
-rw-r--r-- | src/multimedia/audio/audio.pri | 3 | ||||
-rw-r--r-- | src/multimedia/audio/qaudiodevicefactory.cpp | 73 | ||||
-rw-r--r-- | src/multimedia/audio/qaudiodevicefactory_p.h | 3 | ||||
-rw-r--r-- | src/multimedia/audio/qaudiodeviceinfo.cpp | 4 | ||||
-rw-r--r-- | src/multimedia/audio/qaudiosystemplugin.cpp | 5 | ||||
-rw-r--r-- | src/multimedia/audio/qaudiosystempluginext_p.h | 71 |
6 files changed, 124 insertions, 35 deletions
diff --git a/src/multimedia/audio/audio.pri b/src/multimedia/audio/audio.pri index 96cfb1ce4..4706fd23e 100644 --- a/src/multimedia/audio/audio.pri +++ b/src/multimedia/audio/audio.pri @@ -19,7 +19,8 @@ PRIVATE_HEADERS += \ audio/qaudiodevicefactory_p.h \ audio/qwavedecoder_p.h \ audio/qsamplecache_p.h \ - audio/qaudiohelpers_p.h + audio/qaudiohelpers_p.h \ + audio/qaudiosystempluginext_p.h SOURCES += \ audio/qaudio.cpp \ diff --git a/src/multimedia/audio/qaudiodevicefactory.cpp b/src/multimedia/audio/qaudiodevicefactory.cpp index 83e1a6c0b..c3e4929b3 100644 --- a/src/multimedia/audio/qaudiodevicefactory.cpp +++ b/src/multimedia/audio/qaudiodevicefactory.cpp @@ -41,6 +41,7 @@ #include "qaudiosystem.h" #include "qaudiosystemplugin.h" +#include "qaudiosystempluginext_p.h" #include "qmediapluginloader_p.h" #include "qaudiodevicefactory_p.h" @@ -139,41 +140,53 @@ QList<QAudioDeviceInfo> QAudioDeviceFactory::availableDevices(QAudio::Mode mode) return devices; } -QAudioDeviceInfo QAudioDeviceFactory::defaultInputDevice() +QAudioDeviceInfo QAudioDeviceFactory::defaultDevice(QAudio::Mode mode) { #if !defined (QT_NO_LIBRARY) && !defined(QT_NO_SETTINGS) - QAudioSystemFactoryInterface* plugin = qobject_cast<QAudioSystemFactoryInterface*>(audioLoader()->instance(defaultKey())); - if (plugin) { - QList<QByteArray> list = plugin->availableDevices(QAudio::AudioInput); - if (list.size() > 0) - return QAudioDeviceInfo(defaultKey(), list.at(0), QAudio::AudioInput); - } + QMediaPluginLoader* l = audioLoader(); - // if no plugin is marked as default or if the default plugin doesn't have any input device, - // return the first input available from other plugins. - QList<QAudioDeviceInfo> inputDevices = availableDevices(QAudio::AudioInput); - if (!inputDevices.isEmpty()) - return inputDevices.first(); -#endif + // 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); + } - return QAudioDeviceInfo(); -} + // 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); + } -QAudioDeviceInfo QAudioDeviceFactory::defaultOutputDevice() -{ -#if !defined (QT_NO_LIBRARY) && !defined(QT_NO_SETTINGS) - QAudioSystemFactoryInterface* plugin = qobject_cast<QAudioSystemFactoryInterface*>(audioLoader()->instance(defaultKey())); - if (plugin) { - QList<QByteArray> list = plugin->availableDevices(QAudio::AudioOutput); - if (list.size() > 0) - return QAudioDeviceInfo(defaultKey(), list.at(0), QAudio::AudioOutput); + // 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); + } + } } - // if no plugin is marked as default or if the default plugin doesn't have any output device, - // return the first output available from other plugins. - QList<QAudioDeviceInfo> outputDevices = availableDevices(QAudio::AudioOutput); - if (!outputDevices.isEmpty()) - return outputDevices.first(); #endif return QAudioDeviceInfo(); @@ -196,12 +209,12 @@ QAbstractAudioDeviceInfo* QAudioDeviceFactory::audioDeviceInfo(const QString &re QAbstractAudioInput* QAudioDeviceFactory::createDefaultInputDevice(QAudioFormat const &format) { - return createInputDevice(defaultInputDevice(), format); + return createInputDevice(defaultDevice(QAudio::AudioInput), format); } QAbstractAudioOutput* QAudioDeviceFactory::createDefaultOutputDevice(QAudioFormat const &format) { - return createOutputDevice(defaultOutputDevice(), format); + return createOutputDevice(defaultDevice(QAudio::AudioOutput), format); } QAbstractAudioInput* QAudioDeviceFactory::createInputDevice(QAudioDeviceInfo const& deviceInfo, QAudioFormat const &format) diff --git a/src/multimedia/audio/qaudiodevicefactory_p.h b/src/multimedia/audio/qaudiodevicefactory_p.h index 833184075..7ad5e4e78 100644 --- a/src/multimedia/audio/qaudiodevicefactory_p.h +++ b/src/multimedia/audio/qaudiodevicefactory_p.h @@ -71,8 +71,7 @@ class QAudioDeviceFactory public: static QList<QAudioDeviceInfo> availableDevices(QAudio::Mode mode); - static QAudioDeviceInfo defaultInputDevice(); - static QAudioDeviceInfo defaultOutputDevice(); + static QAudioDeviceInfo defaultDevice(QAudio::Mode mode); static QAbstractAudioDeviceInfo* audioDeviceInfo(const QString &realm, const QByteArray &handle, QAudio::Mode mode); diff --git a/src/multimedia/audio/qaudiodeviceinfo.cpp b/src/multimedia/audio/qaudiodeviceinfo.cpp index 945b415e8..f4f548017 100644 --- a/src/multimedia/audio/qaudiodeviceinfo.cpp +++ b/src/multimedia/audio/qaudiodeviceinfo.cpp @@ -419,7 +419,7 @@ QList<QAudioFormat::SampleType> QAudioDeviceInfo::supportedSampleTypes() const */ QAudioDeviceInfo QAudioDeviceInfo::defaultInputDevice() { - return QAudioDeviceFactory::defaultInputDevice(); + return QAudioDeviceFactory::defaultDevice(QAudio::AudioInput); } /*! @@ -428,7 +428,7 @@ QAudioDeviceInfo QAudioDeviceInfo::defaultInputDevice() */ QAudioDeviceInfo QAudioDeviceInfo::defaultOutputDevice() { - return QAudioDeviceFactory::defaultOutputDevice(); + return QAudioDeviceFactory::defaultDevice(QAudio::AudioOutput); } /*! diff --git a/src/multimedia/audio/qaudiosystemplugin.cpp b/src/multimedia/audio/qaudiosystemplugin.cpp index b4fc0dbca..018392939 100644 --- a/src/multimedia/audio/qaudiosystemplugin.cpp +++ b/src/multimedia/audio/qaudiosystemplugin.cpp @@ -39,6 +39,7 @@ #include "qaudiosystemplugin.h" +#include "qaudiosystempluginext_p.h" QT_BEGIN_NAMESPACE @@ -46,6 +47,10 @@ QAudioSystemFactoryInterface::~QAudioSystemFactoryInterface() { } +QAudioSystemPluginExtension::~QAudioSystemPluginExtension() +{ +} + /*! \class QAudioSystemPlugin \brief The QAudioSystemPlugin class provides an abstract base for audio plugins. diff --git a/src/multimedia/audio/qaudiosystempluginext_p.h b/src/multimedia/audio/qaudiosystempluginext_p.h new file mode 100644 index 000000000..380bc5afa --- /dev/null +++ b/src/multimedia/audio/qaudiosystempluginext_p.h @@ -0,0 +1,71 @@ +/**************************************************************************** +** +** 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. +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#ifndef QAUDIOSYSTEMPLUGINEXT_P_H +#define QAUDIOSYSTEMPLUGINEXT_P_H + +#include <QtMultimedia/qtmultimediadefs.h> +#include <QtMultimedia/qaudio.h> +#include <QtCore/qplugin.h> + +QT_BEGIN_NAMESPACE + +// +// W A R N I N G +// ------------- +// +// This file is not part of the Qt API. It exists purely as an +// implementation detail. This header file may change from version to +// version without notice, or even be removed. +// +// We mean it. +// + +struct Q_MULTIMEDIA_EXPORT QAudioSystemPluginExtension +{ + virtual QByteArray defaultDevice(QAudio::Mode) const = 0; + virtual ~QAudioSystemPluginExtension(); +}; + +#define QAudioSystemPluginExtension_iid "org.qt-project.qt.audiosystempluginextension" +Q_DECLARE_INTERFACE(QAudioSystemPluginExtension, QAudioSystemPluginExtension_iid) + +QT_END_NAMESPACE + +#endif // QAUDIOSYSTEMPLUGINEXT_P_H |