Add non realtime preview mode to Kdenlive (available from monitor context menu)

[kdenlive] / src / renderer.cpp

diff --git a/src/renderer.cpp b/src/renderer.cpp
index a214bf8c2b53a32d1c52e8dc81b1d434c0c389e6..affbff833fb4770f008cbe7712f7dae0cbfcb030 100644 (file)
--- a/src/renderer.cpp
+++ b/src/renderer.cpp
@@ -55,7 +55,7 @@ static void consumer_frame_show(mlt_consumer, Render * self, mlt_frame frame_ptr
 
 Render::Render(const QString & rendererName, int winid, int /* extid */, QWidget *parent) :
         QObject(parent),
-        m_isBlocked(1),
+        m_isBlocked(0),
         m_name(rendererName),
         m_mltConsumer(NULL),
         m_mltProducer(NULL),
@@ -1222,7 +1222,7 @@ void Render::seekToFrame(int pos)
 void Render::askForRefresh()
 {
     // Use a Timer so that we don't refresh too much
-    m_refreshTimer->start(500);
+    m_refreshTimer->start(300);
 }
 
 void Render::doRefresh()
@@ -1241,6 +1241,17 @@ void Render::refresh()
     }
 }
 
+void Render::setDropFrames(bool show)
+{
+    if (m_mltConsumer) {
+        int dropFrames = 1;
+        if (show == false) dropFrames = 0;
+        m_mltConsumer->stop();
+        m_mltConsumer->set("play.real_time", dropFrames);
+        m_mltConsumer->start();
+    }
+}
+
 double Render::playSpeed()
 {
     if (m_mltProducer) return m_mltProducer->get_speed();
@@ -1531,7 +1542,6 @@ bool Render::mltRemoveClip(int track, GenTime position)
         return false;
     }
     m_isBlocked = true;
-    Mlt::Producer clip(trackPlaylist.get_clip(clipIndex));
     trackPlaylist.replace_with_blank(clipIndex);
     trackPlaylist.consolidate_blanks(0);
     /*if (QString(clip.parent().get("transparency")).toInt() == 1)
@@ -1737,16 +1747,22 @@ int Render::mltChangeClipSpeed(ItemInfo info, double speed, double oldspeed, Mlt
     int clipIndex = trackPlaylist.get_clip_index_at(startPos);
     int clipLength = trackPlaylist.clip_length(clipIndex);
 
-    Mlt::Producer clip(trackPlaylist.get_clip(clipIndex));
-    if (!clip.is_valid() || clip.is_blank()) {
+    Mlt::Producer *clip = trackPlaylist.get_clip(clipIndex);
+    if (clip == NULL) {
+        return -1;
+    }
+    if (!clip->is_valid() || clip->is_blank()) {
         // invalid clip
+        delete clip;
         return -1;
     }
-    Mlt::Producer clipparent = clip.parent();
+    Mlt::Producer clipparent = clip->parent();
     if (!clipparent.is_valid() || clipparent.is_blank()) {
         // invalid clip
+        delete clip;
         return -1;
     }
+    delete clip;
     QString serv = clipparent.get("mlt_service");
     QString id = clipparent.get("id");
     //kDebug() << "CLIP SERVICE: " << serv;
@@ -2165,9 +2181,7 @@ void Render::mltMoveEffect(int track, GenTime position, int oldPos, int newPos)
 bool Render::mltResizeClipEnd(ItemInfo info, GenTime clipDuration)
 {
     m_isBlocked = true;
-
     Mlt::Service service(m_mltProducer->parent().get_service());
-
     Mlt::Tractor tractor(service);
     Mlt::Producer trackProducer(tractor.track(info.track));
     Mlt::Playlist trackPlaylist((mlt_playlist) trackProducer.get_service());
@@ -2187,16 +2201,22 @@ bool Render::mltResizeClipEnd(ItemInfo info, GenTime clipDuration)
         m_isBlocked = false;
         return false;
     }
+    mlt_service_lock(service.get_service());
     int clipIndex = trackPlaylist.get_clip_index_at((int) info.startPos.frames(m_fps));
     //kDebug() << "// SELECTED CLIP START: " << trackPlaylist.clip_start(clipIndex);
     Mlt::Producer *clip = trackPlaylist.get_clip(clipIndex);
     int previousStart = clip->get_in();
     int newDuration = (int) clipDuration.frames(m_fps) - 1;
-    int diff = newDuration - trackPlaylist.clip_length(clipIndex) - 1;
+    int diff = newDuration - (trackPlaylist.clip_length(clipIndex) - 1);
     if (newDuration > clip->get_length()) {
         clip->parent().set("length", newDuration + 1);
         clip->set("length", newDuration + 1);
     }
+    if (newDuration > clip->get_out()) {
+        clip->parent().set_in_and_out(0, newDuration + 1);
+        clip->set_in_and_out(0, newDuration + 1);
+    }
+    delete clip;
     trackPlaylist.resize_clip(clipIndex, previousStart, newDuration + previousStart);
     trackPlaylist.consolidate_blanks(0);
     // skip to next clip
@@ -2218,9 +2238,8 @@ bool Render::mltResizeClipEnd(ItemInfo info, GenTime clipDuration)
             }
         }
     } else trackPlaylist.insert_blank(clipIndex, 0 - diff - 1);
-
     trackPlaylist.consolidate_blanks(0);
-
+    mlt_service_unlock(service.get_service());
 
     if (info.track != 0 && clipIndex == trackPlaylist.count()) mltCheckLength();
     /*if (QString(clip->parent().get("transparency")).toInt() == 1) {
@@ -2277,6 +2296,7 @@ bool Render::mltResizeClipCrop(ItemInfo info, GenTime diff)
         return false;
     }
     int previousStart = clip->get_in();
+    delete clip;
     int previousDuration = trackPlaylist.clip_length(clipIndex) - 1;
     m_isBlocked = true;
     trackPlaylist.resize_clip(clipIndex, previousStart + frameOffset, previousStart + previousDuration + frameOffset);
@@ -2307,6 +2327,7 @@ bool Render::mltResizeClipStart(ItemInfo info, GenTime diff)
         return false;
     }
     int previousStart = clip->get_in();
+    delete clip;
     int previousDuration = trackPlaylist.clip_length(clipIndex) - 1;
     m_isBlocked = true;
     kDebug() << "RESIZE, old start: " << previousStart << ", PREV DUR: " << previousDuration << ", DIFF: " << moveFrame;
@@ -2395,12 +2416,11 @@ bool Render::mltMoveClip(int startTrack, int endTrack, int moveStart, int moveEn
 {
     m_isBlocked++;
 
-    //m_mltConsumer->set("refresh", 0);
-    mlt_service_lock(m_mltConsumer->get_service());
     Mlt::Service service(m_mltProducer->parent().get_service());
     if (service.type() != tractor_type) kWarning() << "// TRACTOR PROBLEM";
 
     Mlt::Tractor tractor(service);
+    mlt_service_lock(service.get_service());
     Mlt::Producer trackProducer(tractor.track(startTrack));
     Mlt::Playlist trackPlaylist((mlt_playlist) trackProducer.get_service());
     int clipIndex = trackPlaylist.get_clip_index_at(moveStart + 1);
@@ -2413,7 +2433,7 @@ bool Render::mltMoveClip(int startTrack, int endTrack, int moveStart, int moveEn
             if (!trackPlaylist.is_blank_at(moveEnd)) trackPlaylist.insert_at(moveStart, clipProducer, 1);
             //int ix = trackPlaylist.get_clip_index_at(moveEnd);
             kDebug() << "// ERROR MOVING CLIP TO : " << moveEnd;
-            mlt_service_unlock(m_mltConsumer->get_service());
+            mlt_service_unlock(service.get_service());
             m_isBlocked--;
             return false;
         } else {
@@ -2430,7 +2450,7 @@ bool Render::mltMoveClip(int startTrack, int endTrack, int moveStart, int moveEn
         Mlt::Playlist destTrackPlaylist((mlt_playlist) destTrackProducer.get_service());
         if (!destTrackPlaylist.is_blank_at(moveEnd)) {
             // error, destination is not empty
-            mlt_service_unlock(m_mltConsumer->get_service());
+            mlt_service_unlock(service.get_service());
             m_isBlocked--;
             return false;
         } else {
@@ -2439,7 +2459,7 @@ bool Render::mltMoveClip(int startTrack, int endTrack, int moveStart, int moveEn
                 // error, destination is not empty
                 //int ix = trackPlaylist.get_clip_index_at(moveEnd);
                 kDebug() << "// ERROR MOVING CLIP TO : " << moveEnd;
-                mlt_service_unlock(m_mltConsumer->get_service());
+                mlt_service_unlock(service.get_service());
                 m_isBlocked--;
                 return false;
             }
@@ -2485,9 +2505,8 @@ bool Render::mltMoveClip(int startTrack, int endTrack, int moveStart, int moveEn
             else if (newIndex + 1 == destTrackPlaylist.count()) checkLength = true;
         }
     }
-
+    mlt_service_unlock(service.get_service());
     if (checkLength) mltCheckLength();
-    mlt_service_unlock(m_mltConsumer->get_service());
     m_isBlocked--;
     //askForRefresh();
     //m_mltConsumer->set("refresh", 1);
@@ -2500,14 +2519,12 @@ bool Render::mltMoveTransition(QString type, int startTrack, int newTrack, int n
     int new_out = (int)newOut.frames(m_fps) - 1;
     if (new_in >= new_out) return false;
 
-    Mlt::Service service(m_mltProducer->parent().get_service());
-    Mlt::Tractor tractor(service);
-
+    mlt_service serv = m_mltProducer->parent().get_service();
     m_isBlocked++;
-    mlt_service_lock(service.get_service());
+    mlt_service_lock(serv);
     //m_mltConsumer->set("refresh", 0);
 
-    mlt_service serv = m_mltProducer->parent().get_service();
+
     mlt_service nextservice = mlt_service_get_producer(serv);
     mlt_properties properties = MLT_SERVICE_PROPERTIES(nextservice);
     QString mlt_type = mlt_properties_get(properties, "mlt_type");
@@ -2538,7 +2555,7 @@ bool Render::mltMoveTransition(QString type, int startTrack, int newTrack, int n
         mlt_type = mlt_properties_get(properties, "mlt_type");
         resource = mlt_properties_get(properties, "mlt_service");
     }
-    mlt_service_unlock(service.get_service());
+    mlt_service_unlock(serv);
     m_isBlocked--;
     //askForRefresh();
     //if (m_isBlocked == 0) m_mltConsumer->set("refresh", 1);
@@ -2557,12 +2574,11 @@ void Render::mltUpdateTransition(QString oldTag, QString tag, int a_track, int b
 
 void Render::mltUpdateTransitionParams(QString type, int a_track, int b_track, GenTime in, GenTime out, QDomElement xml)
 {
-    Mlt::Service service(m_mltProducer->parent().get_service());
-    Mlt::Tractor tractor(service);
-    mlt_service_lock(service.get_service());
+    mlt_service serv = m_mltProducer->parent().get_service();
+    mlt_service_lock(serv);
     m_isBlocked++;
 
-    mlt_service serv = m_mltProducer->parent().get_service();
+
     mlt_service nextservice = mlt_service_get_producer(serv);
     mlt_properties properties = MLT_SERVICE_PROPERTIES(nextservice);
     QString mlt_type = mlt_properties_get(properties, "mlt_type");
@@ -2606,7 +2622,7 @@ void Render::mltUpdateTransitionParams(QString type, int a_track, int b_track, G
         mlt_type = mlt_properties_get(properties, "mlt_type");
         resource = mlt_properties_get(properties, "mlt_service");
     }
-    mlt_service_unlock(service.get_service());
+    mlt_service_unlock(serv);
     m_isBlocked--;
     //askForRefresh();
     //if (m_isBlocked == 0) m_mltConsumer->set("refresh", 1);
@@ -2614,15 +2630,15 @@ void Render::mltUpdateTransitionParams(QString type, int a_track, int b_track, G
 
 void Render::mltDeleteTransition(QString tag, int /*a_track*/, int b_track, GenTime in, GenTime out, QDomElement /*xml*/, bool /*do_refresh*/)
 {
-    Mlt::Service service(m_mltProducer->parent().get_service());
-    Mlt::Tractor tractor(service);
+    mlt_service serv = m_mltProducer->parent().get_service();
     m_isBlocked++;
-    mlt_service_lock(service.get_service());
+    mlt_service_lock(serv);
 
+    Mlt::Service service(serv);
+    Mlt::Tractor tractor(service);
     Mlt::Field *field = tractor.field();
 
     //if (do_refresh) m_mltConsumer->set("refresh", 0);
-    mlt_service serv = m_mltProducer->parent().get_service();
 
     mlt_service nextservice = mlt_service_get_producer(serv);
     mlt_properties properties = MLT_SERVICE_PROPERTIES(nextservice);
@@ -2649,7 +2665,7 @@ void Render::mltDeleteTransition(QString tag, int /*a_track*/, int b_track, GenT
         mlt_type = mlt_properties_get(properties, "mlt_type");
         resource = mlt_properties_get(properties, "mlt_service");
     }
-    mlt_service_unlock(service.get_service());
+    mlt_service_unlock(serv);
     m_isBlocked--;
     //askForRefresh();
     //if (m_isBlocked == 0) m_mltConsumer->set("refresh", 1);
@@ -2947,9 +2963,8 @@ void Render::mltInsertTrack(int ix, bool videoTrack)
     blockSignals(true);
     m_isBlocked++;
 
-    m_mltConsumer->set("refresh", 0);
-    mlt_service_lock(m_mltConsumer->get_service());
     Mlt::Service service(m_mltProducer->parent().get_service());
+    mlt_service_lock(service.get_service());
     if (service.type() != tractor_type) kWarning() << "// TRACTOR PROBLEM";
 
     Mlt::Tractor tractor(service);
@@ -3008,15 +3023,16 @@ void Render::mltInsertTrack(int ix, bool videoTrack)
     // Add audio mix transition to last track
     Mlt::Field *field = tractor.field();
     Mlt::Transition *transition = new Mlt::Transition(*m_mltProfile, "mix");
-    //transition->set("mlt_service", "mix");
     transition->set("a_track", 1);
     transition->set("b_track", ct);
     transition->set("always_active", 1);
     transition->set("internal_added", 237);
     transition->set("combine", 1);
     field->plant_transition(*transition, 1, ct);
-
-    mlt_service_unlock(m_mltConsumer->get_service());
+    //mlt_service_unlock(m_mltConsumer->get_service());
+    mlt_service_unlock(service.get_service());
+    //tractor.multitrack()->refresh();
+    //tractor.refresh();
     m_isBlocked--;
     blockSignals(false);
 }