Initial copy of QtMultimediaKit.

Comes from original repo, with SHA1: 2c82d5611655e5967f5c5095af50c0991c4378b2
2011-06-29 13:38:46 +10:00
commit 2a34e88c1e
1048 changed files with 206259 additions and 0 deletions
--- a/src/plugins/gstreamer/camerabin/camerabincontainer.cpp
+++ b/src/plugins/gstreamer/camerabin/camerabincontainer.cpp
@@ -0,0 +1,122 @@
+/****************************************************************************
+**
+** 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 "camerabincontainer.h"
+
+
+#include <QtCore/qdebug.h>
+
+CameraBinContainer::CameraBinContainer(QObject *parent)
+    :QMediaContainerControl(parent)
+{
+    QList<QByteArray> formatCandidates;
+    formatCandidates << "mp4" << "ogg" << "wav" << "amr" << "mkv"
+                     << "avi" << "3gp" << "3gp2" << "webm" << "mjpeg" << "asf" << "mov";
+
+    QMap<QString,QByteArray> elementNames;
+
+    elementNames.insertMulti("mp4", "ffmux_mp4");
+    elementNames.insertMulti("mp4", "hantromp4mux");
+    elementNames.insertMulti("mp4", "mp4mux");
+    elementNames.insert("ogg", "oggmux");
+    elementNames["wav"] = "wavenc";
+    elementNames["amr"] = "ffmux_amr";
+    elementNames["mkv"] = "matroskamux";
+    elementNames["avi"] = "avimux";
+    elementNames["3gp"] = "ffmux_3gp";
+    elementNames["3gp2"] = "ffmux_3g2";
+    elementNames["webm"] = "webmmux";
+    elementNames["mjpeg"] = "ffmux_mjpeg";
+    elementNames["asf"] = "ffmux_asf";
+    elementNames["mov"] = "qtmux";
+
+    QSet<QString> allTypes;
+
+    foreach(const QByteArray &formatName, formatCandidates) {
+        foreach(const QByteArray &elementName, elementNames.values(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));
+
+                m_elementNames.insert(formatName, elementName);
+                break;
+            }
+        }
+    }
+}
+
+QSet<QString> CameraBinContainer::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> CameraBinContainer::supportedStreamTypes(const QString &container) const
+{
+    return m_streamTypes.value(container);
+}