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Diffstat (limited to 'src/plugins/gstreamer/qgstreamerserviceplugin.cpp')
| -rw-r--r-- | src/plugins/gstreamer/qgstreamerserviceplugin.cpp | 395 |
1 files changed, 0 insertions, 395 deletions
diff --git a/src/plugins/gstreamer/qgstreamerserviceplugin.cpp b/src/plugins/gstreamer/qgstreamerserviceplugin.cpp deleted file mode 100644 index 64d71c5..0000000 --- a/src/plugins/gstreamer/qgstreamerserviceplugin.cpp +++ /dev/null @@ -1,395 +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. -** -** -** -** -** -** $QT_END_LICENSE$ -** -****************************************************************************/ - -#include <QtCore/qstring.h> -#include <QtCore/qdebug.h> -#include <QtWidgets/QIcon> -#include <QtCore/QDir> -#include <QtCore/QDebug> - -#include "qgstreamerserviceplugin.h" - -//#define QT_SUPPORTEDMIMETYPES_DEBUG - -#ifdef QMEDIA_GSTREAMER_PLAYER -#include "qgstreamerplayerservice.h" -#endif - -#if defined(QMEDIA_GSTREAMER_CAPTURE) -#include "qgstreamercaptureservice.h" -#endif - -#ifdef QMEDIA_GSTREAMER_CAMERABIN -#include "camerabinservice.h" -#endif - -#include <qmediaserviceprovider.h> - -#include <linux/types.h> -#include <sys/time.h> -#include <sys/ioctl.h> -#include <sys/poll.h> -#include <unistd.h> -#include <fcntl.h> -#include <errno.h> -#include <string.h> -#include <stdlib.h> -#include <sys/mman.h> -#include <linux/videodev2.h> - - -QStringList QGstreamerServicePlugin::keys() const -{ - return QStringList() -#ifdef QMEDIA_GSTREAMER_PLAYER - << QLatin1String(Q_MEDIASERVICE_MEDIAPLAYER) -#endif - -#ifdef QMEDIA_GSTREAMER_CAPTURE - << QLatin1String(Q_MEDIASERVICE_AUDIOSOURCE) - << QLatin1String(Q_MEDIASERVICE_CAMERA) -#elif defined(QMEDIA_GSTREAMER_CAMERABIN) - << QLatin1String(Q_MEDIASERVICE_CAMERA) -#endif - ; - -} - -QMediaService* QGstreamerServicePlugin::create(const QString &key) -{ - static bool initialized = false; - if (!initialized) { - initialized = true; - gst_init(NULL, NULL); - } - -#ifdef QMEDIA_GSTREAMER_PLAYER - if (key == QLatin1String(Q_MEDIASERVICE_MEDIAPLAYER)) - return new QGstreamerPlayerService; -#endif - -#ifdef QMEDIA_GSTREAMER_CAMERABIN - if (key == QLatin1String(Q_MEDIASERVICE_CAMERA) && CameraBinService::isCameraBinAvailable()) - return new CameraBinService(key); -#endif - -#ifdef QMEDIA_GSTREAMER_CAPTURE - if (key == QLatin1String(Q_MEDIASERVICE_AUDIOSOURCE)) - return new QGstreamerCaptureService(key); - - if (key == QLatin1String(Q_MEDIASERVICE_CAMERA)) - return new QGstreamerCaptureService(key); -#endif - - qWarning() << "Gstreamer service plugin: unsupported key:" << key; - return 0; -} - -void QGstreamerServicePlugin::release(QMediaService *service) -{ - delete service; -} - -QMediaServiceProviderHint::Features QGstreamerServicePlugin::supportedFeatures( - const QByteArray &service) const -{ - if (service == Q_MEDIASERVICE_MEDIAPLAYER) - return QMediaServiceProviderHint::StreamPlayback | QMediaServiceProviderHint::VideoSurface; - else if (service == Q_MEDIASERVICE_CAMERA) - return QMediaServiceProviderHint::VideoSurface; - else - return QMediaServiceProviderHint::Features(); -} - -QList<QByteArray> QGstreamerServicePlugin::devices(const QByteArray &service) const -{ - if (service == Q_MEDIASERVICE_CAMERA) { - if (m_cameraDevices.isEmpty()) - updateDevices(); - - return m_cameraDevices; - } - - return QList<QByteArray>(); -} - -QString QGstreamerServicePlugin::deviceDescription(const QByteArray &service, const QByteArray &device) -{ - if (service == Q_MEDIASERVICE_CAMERA) { - if (m_cameraDevices.isEmpty()) - updateDevices(); - - for (int i=0; i<m_cameraDevices.count(); i++) - if (m_cameraDevices[i] == device) - return m_cameraDescriptions[i]; - } - - return QString(); -} - -QVariant QGstreamerServicePlugin::deviceProperty(const QByteArray &service, const QByteArray &device, const QByteArray &property) -{ - Q_UNUSED(service); - Q_UNUSED(device); - Q_UNUSED(property); - return QVariant(); -} - -void QGstreamerServicePlugin::updateDevices() const -{ - m_cameraDevices.clear(); - m_cameraDescriptions.clear(); - -#ifdef Q_WS_MAEMO_6 - m_cameraDevices << "primary" << "secondary"; - m_cameraDescriptions << tr("Main camera") << tr("Front camera"); - return; -#endif - - QDir devDir("/dev"); - devDir.setFilter(QDir::System); - - QFileInfoList entries = devDir.entryInfoList(QStringList() << "video*"); - - foreach( const QFileInfo &entryInfo, entries ) { - //qDebug() << "Try" << entryInfo.filePath(); - - int fd = ::open(entryInfo.filePath().toLatin1().constData(), O_RDWR ); - if (fd == -1) - continue; - - bool isCamera = false; - - v4l2_input input; - memset(&input, 0, sizeof(input)); - for (; ::ioctl(fd, VIDIOC_ENUMINPUT, &input) >= 0; ++input.index) { - if(input.type == V4L2_INPUT_TYPE_CAMERA || input.type == 0) { - isCamera = ::ioctl(fd, VIDIOC_S_INPUT, input.index) != 0; - break; - } - } - - if (isCamera) { - // find out its driver "name" - QString name; - struct v4l2_capability vcap; - memset(&vcap, 0, sizeof(struct v4l2_capability)); - - if (ioctl(fd, VIDIOC_QUERYCAP, &vcap) != 0) - name = entryInfo.fileName(); - else - name = QString((const char*)vcap.card); - //qDebug() << "found camera: " << name; - - m_cameraDevices.append(entryInfo.filePath().toLocal8Bit()); - m_cameraDescriptions.append(name); - } - ::close(fd); - } -} - -namespace { - const char* getCodecAlias(const QString &codec) - { - if (codec.startsWith("avc1.")) - return "video/x-h264"; - - if (codec.startsWith("mp4a.")) - return "audio/mpeg4"; - - if (codec.startsWith("mp4v.20.")) - return "video/mpeg4"; - - if (codec == "samr") - return "audio/amr"; - - return 0; - } - - const char* getMimeTypeAlias(const QString &mimeType) - { - if (mimeType == "video/mp4") - return "video/mpeg4"; - - if (mimeType == "audio/mp4") - return "audio/mpeg4"; - - if (mimeType == "video/ogg" - || mimeType == "audio/ogg") - return "application/ogg"; - - return 0; - } -} - -QtMultimedia::SupportEstimate QGstreamerServicePlugin::hasSupport(const QString &mimeType, - const QStringList& codecs) const -{ - if (m_supportedMimeTypeSet.isEmpty()) - updateSupportedMimeTypes(); - - QString mimeTypeLowcase = mimeType.toLower(); - bool containsMimeType = m_supportedMimeTypeSet.contains(mimeTypeLowcase); - if (!containsMimeType) { - const char* mimeTypeAlias = getMimeTypeAlias(mimeTypeLowcase); - containsMimeType = m_supportedMimeTypeSet.contains(mimeTypeAlias); - if (!containsMimeType) { - containsMimeType = m_supportedMimeTypeSet.contains("video/" + mimeTypeLowcase) - || m_supportedMimeTypeSet.contains("video/x-" + mimeTypeLowcase) - || m_supportedMimeTypeSet.contains("audio/" + mimeTypeLowcase) - || m_supportedMimeTypeSet.contains("audio/x-" + mimeTypeLowcase); - } - } - - int supportedCodecCount = 0; - foreach(const QString &codec, codecs) { - QString codecLowcase = codec.toLower(); - const char* codecAlias = getCodecAlias(codecLowcase); - if (codecAlias) { - if (m_supportedMimeTypeSet.contains(codecAlias)) - supportedCodecCount++; - } else if (m_supportedMimeTypeSet.contains("video/" + codecLowcase) - || m_supportedMimeTypeSet.contains("video/x-" + codecLowcase) - || m_supportedMimeTypeSet.contains("audio/" + codecLowcase) - || m_supportedMimeTypeSet.contains("audio/x-" + codecLowcase)) { - supportedCodecCount++; - } - } - if (supportedCodecCount > 0 && supportedCodecCount == codecs.size()) - return QtMultimedia::ProbablySupported; - - if (supportedCodecCount == 0 && !containsMimeType) - return QtMultimedia::NotSupported; - - return QtMultimedia::MaybeSupported; -} - -void QGstreamerServicePlugin::updateSupportedMimeTypes() const -{ - //enumerate supported mime types - gst_init(NULL, NULL); - - GList *plugins, *orig_plugins; - orig_plugins = plugins = gst_default_registry_get_plugin_list (); - - while (plugins) { - GList *features, *orig_features; - - GstPlugin *plugin = (GstPlugin *) (plugins->data); - plugins = g_list_next (plugins); - - if (plugin->flags & (1<<1)) //GST_PLUGIN_FLAG_BLACKLISTED - continue; - - orig_features = features = gst_registry_get_feature_list_by_plugin(gst_registry_get_default (), - plugin->desc.name); - while (features) { - if (!G_UNLIKELY(features->data == NULL)) { - GstPluginFeature *feature = GST_PLUGIN_FEATURE(features->data); - if (GST_IS_ELEMENT_FACTORY (feature)) { - GstElementFactory *factory = GST_ELEMENT_FACTORY(gst_plugin_feature_load(feature)); - if (factory - && factory->numpadtemplates > 0 - && (qstrcmp(factory->details.klass, "Codec/Decoder/Audio") == 0 - || qstrcmp(factory->details.klass, "Codec/Decoder/Video") == 0 - || qstrcmp(factory->details.klass, "Codec/Demux") == 0 )) { - const GList *pads = factory->staticpadtemplates; - while (pads) { - GstStaticPadTemplate *padtemplate = (GstStaticPadTemplate*)(pads->data); - pads = g_list_next (pads); - if (padtemplate->direction != GST_PAD_SINK) - continue; - if (padtemplate->static_caps.string) { - GstCaps *caps = gst_static_caps_get(&padtemplate->static_caps); - if (!gst_caps_is_any (caps) && ! gst_caps_is_empty (caps)) { - for (guint i = 0; i < gst_caps_get_size(caps); i++) { - GstStructure *structure = gst_caps_get_structure(caps, i); - QString nameLowcase = QString(gst_structure_get_name (structure)).toLower(); - - m_supportedMimeTypeSet.insert(nameLowcase); - if (nameLowcase.contains("mpeg")) { - //Because mpeg version number is only included in the detail - //description, it is necessary to manually extract this information - //in order to match the mime type of mpeg4. - const GValue *value = gst_structure_get_value(structure, "mpegversion"); - if (value) { - gchar *str = gst_value_serialize (value); - QString versions(str); - QStringList elements = versions.split(QRegExp("\\D+"), QString::SkipEmptyParts); - foreach(const QString &e, elements) - m_supportedMimeTypeSet.insert(nameLowcase + e); - g_free (str); - } - } - } - } - } - } - gst_object_unref (factory); - } - } else if (GST_IS_TYPE_FIND_FACTORY(feature)) { - QString name(gst_plugin_feature_get_name(feature)); - if (name.contains('/')) //filter out any string without '/' which is obviously not a mime type - m_supportedMimeTypeSet.insert(name.toLower()); - } - } - features = g_list_next (features); - } - gst_plugin_feature_list_free (orig_features); - } - gst_plugin_list_free (orig_plugins); - -#if defined QT_SUPPORTEDMIMETYPES_DEBUG - QStringList list = m_supportedMimeTypeSet.toList(); - list.sort(); - if (qgetenv("QT_DEBUG_PLUGINS").toInt() > 0) { - foreach(const QString &type, list) - qDebug() << type; - } -#endif -} - -QStringList QGstreamerServicePlugin::supportedMimeTypes() const -{ - return QStringList(); -} - -Q_EXPORT_PLUGIN2(qtmedia_gstengine, QGstreamerServicePlugin); |