+ path = KStandardDirs::locateLocal("appdata", "profiles/video4linux");
+ profile = ProfilesDialog::getVideoProfile(path);
+ m_videoBox->setRatio((double) profile.display_aspect_num / profile.display_aspect_den);
+ buildMltDevice(path);
+ playlist = QString("<mlt title=\"capture\"><producer id=\"producer0\" in=\"0\" out=\"99999\"><property name=\"mlt_type\">producer</property><property name=\"length\">100000</property><property name=\"eof\">pause</property><property name=\"resource\">video4linux2:%1?width:%2&height:%3&frame_rate:%4</property><property name=\"mlt_service\">avformat-novalidate</property></producer><playlist id=\"playlist0\"><entry producer=\"producer0\" in=\"0\" out=\"99999\"/></playlist>").arg(KdenliveSettings::video4vdevice()).arg(profile.width).arg(profile.height).arg((double) profile.frame_rate_num / profile.frame_rate_den);
+
+ v4lparameters = KdenliveSettings::v4l_parameters();
+
+ // Add alsa audio capture
+ if (KdenliveSettings::v4l_captureaudio()) {
+ playlist.append(QString("<producer id=\"producer1\" in=\"0\" out=\"99999\"><property name=\"mlt_type\">producer</property><property name=\"length\">100000</property><property name=\"eof\">pause</property><property name=\"resource\">alsa:%5</property><property name=\"audio_index\">0</property><property name=\"video_index\">-1</property><property name=\"mlt_service\">avformat</property></producer><playlist id=\"playlist1\"><entry producer=\"producer1\" in=\"0\" out=\"99999\"/></playlist>").arg(KdenliveSettings::v4l_alsadevicename()));
+ }
+ else {
+ // if we do not want audio, make sure that we don't have audio encoding parameters
+ // this is required otherwise the MLT avformat consumer will not close properly
+ if (v4lparameters.contains("acodec")) {
+ QString endParam = v4lparameters.section("acodec", 1);
+ int vcodec = endParam.indexOf(" vcodec");
+ int format = endParam.indexOf(" f=");
+ int cutPosition = -1;
+ if (vcodec > -1) {
+ if (format > -1) {
+ cutPosition = qMin(vcodec, format);
+ }
+ else cutPosition = vcodec;
+ }
+ else if (format > -1) {
+ cutPosition = format;
+ }
+ else {
+ // nothing interesting in end params
+ endParam.clear();
+ }
+ if (cutPosition > -1) {
+ endParam.remove(0, cutPosition);
+ }
+ v4lparameters = QString(v4lparameters.section("acodec", 0, 0) + "an=1 " + endParam).simplified();
+ }
+ }
+
+
+ playlist.append("<tractor id=\"tractor0\" title=\"video0\" global_feed=\"1\" in=\"0\" out=\"99999\">");
+
+ playlist.append("<track producer=\"playlist0\"/>");
+
+ // Audio mix
+ if (KdenliveSettings::v4l_captureaudio()) {
+ playlist.append("<track producer=\"playlist1\"/>");
+ playlist.append("<transition id=\"transition0\" in=\"0\" out=\"0\"><property name=\"a_track\">0</property><property name=\"b_track\">1</property><property name=\"mlt_type\">transition</property><property name=\"mlt_service\">mix</property></transition>");
+ }
+
+ playlist.append("</tractor></mlt>");
+
+ if (m_captureDevice->slotStartCapture(v4lparameters, m_captureFile.path(), playlist, recording_preview->currentIndex())) {
+ m_videoBox->setHidden(false);
+ m_isCapturing = true;
+ m_recAction->setEnabled(false);
+ m_stopAction->setEnabled(true);
+ recording_preview->setEnabled(false);
+ }
+ else {
+ video_frame->setText(i18n("Failed to start Video4Linux,\ncheck your parameters..."));
+ m_videoBox->setHidden(true);
+ m_isCapturing = false;
+ }