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Diffstat (limited to 'src/plugins/gstreamer/mediacapture/qgstreamermediacontainercontrol.cpp')
-rw-r--r-- | src/plugins/gstreamer/mediacapture/qgstreamermediacontainercontrol.cpp | 135 |
1 files changed, 135 insertions, 0 deletions
diff --git a/src/plugins/gstreamer/mediacapture/qgstreamermediacontainercontrol.cpp b/src/plugins/gstreamer/mediacapture/qgstreamermediacontainercontrol.cpp new file mode 100644 index 000000000..34c43e3ac --- /dev/null +++ b/src/plugins/gstreamer/mediacapture/qgstreamermediacontainercontrol.cpp @@ -0,0 +1,135 @@ +/**************************************************************************** +** +** 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 Mobility Components. +** +** $QT_BEGIN_LICENSE:LGPL$ +** 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 Technology Preview License Agreement accompanying +** this package. +** +** 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 1.1, included in the file LGPL_EXCEPTION.txt in this package. +** +** If you have questions regarding the use of this file, please contact +** Nokia at qt-info@nokia.com. +** +** +** +** +** +** +** +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#include "qgstreamermediacontainercontrol.h" + + +#include <QtCore/qdebug.h> + +QGstreamerMediaContainerControl::QGstreamerMediaContainerControl(QObject *parent) + :QMediaContainerControl(parent) +{ + QList<QByteArray> formatCandidates; + formatCandidates << "matroska" << "ogg" << "mp4" << "wav" << "quicktime" << "avi" << "3gpp"; + formatCandidates << "flv" << "amr" << "asf" << "dv" << "gif"; + formatCandidates << "mpeg" << "vob" << "mpegts" << "3g2" << "3gp"; + formatCandidates << "raw"; + + m_elementNames["matroska"] = "matroskamux"; + m_elementNames["ogg"] = "oggmux"; + m_elementNames["mp4"] = "ffmux_mp4"; + m_elementNames["quicktime"] = "ffmux_mov"; + m_elementNames["avi"] = "avimux"; + m_elementNames["3gpp"] = "gppmux"; + m_elementNames["flv"] = "flvmux"; + m_elementNames["wav"] = "wavenc"; + m_elementNames["amr"] = "ffmux_amr"; + m_elementNames["asf"] = "ffmux_asf"; + m_elementNames["dv"] = "ffmux_dv"; + m_elementNames["gif"] = "ffmux_gif"; + m_elementNames["mpeg"] = "ffmux_mpeg"; + m_elementNames["vob"] = "ffmux_vob"; + m_elementNames["mpegts"] = "ffmux_mpegts"; + m_elementNames["3g2"] = "ffmux_3g2"; + m_elementNames["3gp"] = "ffmux_3gp"; + m_elementNames["raw"] = "identity"; + + m_containerExtensions["matroska"] = "mkv"; + m_containerExtensions["quicktime"] = "mov"; + m_containerExtensions["mpegts"] = "m2t"; + m_containerExtensions["mpeg"] = "mpg"; + + QSet<QString> allTypes; + + foreach( const QByteArray& formatName, formatCandidates ) { + QByteArray elementName = m_elementNames[formatName]; + GstElementFactory *factory = gst_element_factory_find(elementName.constData()); + if (factory) { + m_supportedContainers.append(formatName); + const gchar *descr = gst_element_factory_get_description(factory); + m_containerDescriptions.insert(formatName, QString::fromUtf8(descr)); + + + if (formatName == QByteArray("raw")) { + m_streamTypes.insert(formatName, allTypes); + } else { + QSet<QString> types = supportedStreamTypes(factory, GST_PAD_SINK); + m_streamTypes.insert(formatName, types); + allTypes.unite(types); + } + + gst_object_unref(GST_OBJECT(factory)); + } + } + + //if (!m_supportedContainers.isEmpty()) + // setContainerMimeType(m_supportedContainers[0]); +} + +QSet<QString> QGstreamerMediaContainerControl::supportedStreamTypes(GstElementFactory *factory, GstPadDirection direction) +{ + QSet<QString> types; + const GList *pads = gst_element_factory_get_static_pad_templates(factory); + for (const GList *pad = pads; pad; pad = g_list_next(pad)) { + GstStaticPadTemplate *templ = (GstStaticPadTemplate*)pad->data; + if (templ->direction == direction) { + GstCaps *caps = gst_static_caps_get(&templ->static_caps); + for (uint i=0; i<gst_caps_get_size(caps); i++) { + GstStructure *structure = gst_caps_get_structure(caps, i); + types.insert( QString::fromUtf8(gst_structure_get_name(structure)) ); + } + gst_caps_unref(caps); + } + } + + return types; +} + + +QSet<QString> QGstreamerMediaContainerControl::supportedStreamTypes(const QString &container) const +{ + return m_streamTypes.value(container); +} + +QString QGstreamerMediaContainerControl::containerExtension() const +{ + return m_containerExtensions.value(m_format, m_format); +} |