Introduce video thumbnail for each frame when zooming at max level (causes slowdown...

[kdenlive] / src / kthumb.cpp

diff --git a/src/kthumb.cpp b/src/kthumb.cpp
index d9a38f3124e08b48b6ec19ec3d9252116210ecb5..c8971af46b0fb7a2739656843cc3d8bace8e338d 100644 (file)
--- a/src/kthumb.cpp
+++ b/src/kthumb.cpp
@@ -145,6 +145,8 @@ KThumb::~KThumb()
 
 void KThumb::setProducer(Mlt::Producer *producer)
 {
+    m_requestedThumbs.clear();
+    m_future.waitForFinished();
     m_producer = producer;
     // FIXME: the profile() call leaks an object, but trying to free
     // it leads to a double-free in Profile::~Profile()
@@ -194,8 +196,8 @@ void KThumb::extractImage(int frame, int frame2)
 
 void KThumb::doGetThumbs()
 {
-    const int twidth = (int)(KdenliveSettings::trackheight() * m_dar);
     const int theight = KdenliveSettings::trackheight();
+    const int twidth = FRAME_SIZE;//(int)(theight * m_dar + 0.5);
 
     while (!m_requestedThumbs.isEmpty()) {
         int frame = m_requestedThumbs.takeFirst();
@@ -402,7 +404,7 @@ void KThumb::getAudioThumbs(int channel, double frame, double frameLength, int a
         if (m_audioThumbProducer.isRunning()) return;
         m_audioThumbProducer.init(m_url, m_thumbFile, frame, frameLength, m_frequency, m_channels, arrayWidth);
         m_audioThumbProducer.start(QThread::LowestPriority);
-        kDebug() << "STARTING GENERATE THMB FOR: " << m_url << " ................................";
+        // kDebug() << "STARTING GENERATE THMB FOR: " <<m_id<<", URL: "<< m_url << " ................................";
     }
 }