Differential D7670 Diff 19118 src/timeline/transitionhandler.cpp

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src/timeline/transitionhandler.cpp

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537 } 537​ }
538 type = mlt_service_identify(nextservice); 538​ type = mlt_service_identify(nextservice);
539 } 539​ }
540​ // Search for visible tracks and arrange them on a 2x2 grid.
541​ // If there are more than 4 visible tracks, the extra
542​ // tracks will be displayed without rescaling on top of the grid.
543​ // The user has to manually hide them.
540 for (int i = 1, screen = 0; i < tracks && screen < 4; ++i) { 544​ for (int i = 1, screen = 0; i < tracks && screen < 4; ++i) {
541 Mlt::Producer trackProducer(m_tractor->track(i)); 545​ Mlt::Producer trackProducer(m_tractor->track(i));
542 if (QString(trackProducer.get("hide")).toInt() != 1) { 546​ // A track is in hidden state in "hide" has the bit 0x01 set.
547​ // See Track::setInfo (in track.cpp) for details
548​ const int trackVisibilityFlags = QString(trackProducer.get("hide")).toInt();
549​ const bool trackVisible = ( (trackVisibilityFlags & 1) == 0 );
550​ if (trackVisible) {
543 Mlt::Transition transition(*m_tractor->profile(), "composite"); 551​ Mlt::Transition transition(*m_tractor->profile(), "composite");
544 transition.set("mlt_service", "composite"); 552​ transition.set("mlt_service", "composite");
545 transition.set("a_track", 0); 553​ transition.set("a_track", 0);
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