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    41 

    42 #include "qgstreamermediacontainercontrol_maemo.h"

    43 

    44 

    45 #include <QtCore/qdebug.h>

    46 

    47 QGstreamerMediaContainerControl::QGstreamerMediaContainerControl(QObject *parent)

    48     :QMediaContainerControl(parent)

    49 {

    50     QList<QByteArray> formatCandidates;

    51     formatCandidates << "mp4" << "ogg" << "wav" << "amr";

    52 

    53     m_elementNames["mp4"] = "hantromp4mux";

    54     m_elementNames["ogg"] = "oggmux";

    55     m_elementNames["wav"] = "wavenc";

    56     m_elementNames["amr"] = "ffmux_amr";

    57 

    58     QSet<QString> allTypes;

    59 

    60     foreach( const QByteArray& formatName, formatCandidates ) {

    61         QByteArray elementName = m_elementNames[formatName];

    62         GstElementFactory *factory = gst_element_factory_find(elementName.constData());

    63         if (factory) {

    64             m_supportedContainers.append(formatName);

    65             const gchar *descr = gst_element_factory_get_description(factory);

    66             m_containerDescriptions.insert(formatName, QString::fromUtf8(descr));

    67 

    68 

    69             if (formatName == QByteArray("raw")) {

    70                 m_streamTypes.insert(formatName, allTypes);

    71             } else {

    72                 QSet<QString> types = supportedStreamTypes(factory, GST_PAD_SINK);

    73                 m_streamTypes.insert(formatName, types);

    74                 allTypes.unite(types);

    75             }

    76 

    77             gst_object_unref(GST_OBJECT(factory));

    78         }

    79     }

    80 

    81     if (!m_supportedContainers.isEmpty())

    82         setContainerMimeType(m_supportedContainers[0]);

    83 }

    84 

    85 QSet<QString> QGstreamerMediaContainerControl::supportedStreamTypes(GstElementFactory *factory, GstPadDirection direction)

    86 {

    87     QSet<QString> types;

    88     const GList *pads = gst_element_factory_get_static_pad_templates(factory);

    89     for (const GList *pad = pads; pad; pad = g_list_next(pad)) {

    90         GstStaticPadTemplate *templ = (GstStaticPadTemplate*)pad->data;

    91         if (templ->direction == direction) {

    92             GstCaps *caps = gst_static_caps_get(&templ->static_caps);

    93             for (uint i=0; i<gst_caps_get_size(caps); i++) {

    94                 GstStructure *structure = gst_caps_get_structure(caps, i);

    95                 types.insert( QString::fromUtf8(gst_structure_get_name(structure)) );

    96             }

    97             gst_caps_unref(caps);

    98         }

    99     }

   100 

   101     return types;

   102 }

   103 

   104 

   105 QSet<QString> QGstreamerMediaContainerControl::supportedStreamTypes(const QString &container) const

   106 {

   107     return m_streamTypes.value(container);

   108 }