Ported gstreamer camera backend from camerabin to camerabin2.
Change-Id: Ieb08df492e7b9cbfe35e93a056685cfdac6e704e Reviewed-on: http://codereview.qt.nokia.com/2994 Reviewed-by: Qt Sanity Bot <qt_sanity_bot@ovi.com> Reviewed-by: Michael Goddard <michael.goddard@nokia.com>
This commit is contained in:
Dmytro Poplavskiy
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Qt by Nokia
Qt by Nokia
parent
abee3a6548
commit
da9b436cd1
@@ -40,83 +40,90 @@
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****************************************************************************/
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#include "camerabincontainer.h"
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#include <QtCore/qregexp.h>
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#include <QtCore/qdebug.h>
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CameraBinContainer::CameraBinContainer(QObject *parent)
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:QMediaContainerControl(parent)
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:QMediaContainerControl(parent),
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m_supportedContainers(QGstCodecsInfo::Muxer)
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{
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QList<QByteArray> formatCandidates;
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formatCandidates << "mp4" << "ogg" << "wav" << "amr" << "mkv"
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<< "avi" << "3gp" << "3gp2" << "webm" << "mjpeg" << "asf" << "mov";
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//extension for containers hard to guess from mimetype
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m_fileExtensions["video/x-matroska"] = "mkv";
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m_fileExtensions["video/quicktime"] = "mov";
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m_fileExtensions["video/x-msvideo"] = "avi";
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m_fileExtensions["video/msvideo"] = "avi";
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m_fileExtensions["audio/mpeg"] = "mp3";
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m_fileExtensions["application/x-shockwave-flash"] = "swf";
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m_fileExtensions["application/x-pn-realmedia"] = "rm";
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}
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QMap<QString,QByteArray> elementNames;
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QStringList CameraBinContainer::supportedContainers() const
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{
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return m_supportedContainers.supportedCodecs();
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}
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elementNames.insertMulti("mp4", "ffmux_mp4");
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elementNames.insertMulti("mp4", "hantromp4mux");
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elementNames.insertMulti("mp4", "mp4mux");
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elementNames.insert("ogg", "oggmux");
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elementNames["wav"] = "wavenc";
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elementNames["amr"] = "ffmux_amr";
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elementNames["mkv"] = "matroskamux";
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elementNames["avi"] = "avimux";
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elementNames["3gp"] = "ffmux_3gp";
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elementNames["3gp2"] = "ffmux_3g2";
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elementNames["webm"] = "webmmux";
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elementNames["mjpeg"] = "ffmux_mjpeg";
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elementNames["asf"] = "ffmux_asf";
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elementNames["mov"] = "qtmux";
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QString CameraBinContainer::containerDescription(const QString &formatMimeType) const
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{
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return m_supportedContainers.codecDescription(formatMimeType);
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}
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QSet<QString> allTypes;
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QString CameraBinContainer::containerMimeType() const
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{
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return m_format;
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}
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foreach(const QByteArray &formatName, formatCandidates) {
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foreach(const QByteArray &elementName, elementNames.values(formatName)) {
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GstElementFactory *factory = gst_element_factory_find(elementName.constData());
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if (factory) {
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m_supportedContainers.append(formatName);
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const gchar *descr = gst_element_factory_get_description(factory);
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m_containerDescriptions.insert(formatName, QString::fromUtf8(descr));
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void CameraBinContainer::setContainerMimeType(const QString &formatMimeType)
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{
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m_format = formatMimeType;
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if (formatName == QByteArray("raw")) {
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m_streamTypes.insert(formatName, allTypes);
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} else {
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QSet<QString> types = supportedStreamTypes(factory, GST_PAD_SINK);
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m_streamTypes.insert(formatName, types);
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allTypes.unite(types);
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}
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gst_object_unref(GST_OBJECT(factory));
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m_elementNames.insert(formatName, elementName);
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break;
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}
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}
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if (m_userFormat != formatMimeType) {
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m_userFormat = formatMimeType;
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emit settingsChanged();
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}
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}
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QSet<QString> CameraBinContainer::supportedStreamTypes(GstElementFactory *factory, GstPadDirection direction)
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void CameraBinContainer::setActualContainer(const QString &formatMimeType)
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{
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QSet<QString> types;
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const GList *pads = gst_element_factory_get_static_pad_templates(factory);
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for (const GList *pad = pads; pad; pad = g_list_next(pad)) {
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GstStaticPadTemplate *templ = (GstStaticPadTemplate*)pad->data;
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if (templ->direction == direction) {
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GstCaps *caps = gst_static_caps_get(&templ->static_caps);
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for (uint i=0; i<gst_caps_get_size(caps); i++) {
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GstStructure *structure = gst_caps_get_structure(caps, i);
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types.insert( QString::fromUtf8(gst_structure_get_name(structure)) );
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}
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gst_caps_unref(caps);
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}
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}
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return types;
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m_format = formatMimeType;
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}
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QSet<QString> CameraBinContainer::supportedStreamTypes(const QString &container) const
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void CameraBinContainer::resetActualContainer()
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{
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return m_streamTypes.value(container);
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m_format = m_userFormat;
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}
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GstEncodingContainerProfile *CameraBinContainer::createProfile()
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{
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GstCaps *caps;
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if (m_format.isEmpty())
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caps = gst_caps_new_any();
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else
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caps = gst_caps_from_string(m_format.toLatin1());
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return (GstEncodingContainerProfile *)gst_encoding_container_profile_new(
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"camerabin2_profile",
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(gchar *)"custom camera profile",
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caps,
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NULL); //preset
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}
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/*!
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Suggest file extension for current container mimetype.
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*/
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QString CameraBinContainer::suggestedFileExtension() const
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{
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QString format = m_format.left(m_format.indexOf(','));
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QString extension = m_fileExtensions.value(format);
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if (!extension.isEmpty() || format.isEmpty())
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return extension;
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QRegExp rx("[-/]([\\w]+)$");
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if (rx.indexIn(format) != -1)
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extension = rx.cap(1);
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return extension;
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}
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