Ensure no frames are dropped in GLWidget if non-realtime.

mltframework · Oct 21, 2014 · 7477e76 · 7477e76
1 parent 6e6941b
commit 7477e76
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/src/glwidget.cpp b/src/glwidget.cpp
@@ -629,7 +629,8 @@ void GLWidget::updateTexture(GLuint yName, GLuint uName, GLuint vName)
 void GLWidget::on_frame_show(mlt_consumer, void* self, mlt_frame frame_ptr)
 {
     GLWidget* widget = static_cast<GLWidget*>(self);
-    if (widget->frameRenderer() && widget->frameRenderer()->semaphore()->tryAcquire()) {
+    int timeout = (widget->consumer()->get_int("real_time") > 0)? 0: 1000;
+    if (widget->frameRenderer() && widget->frameRenderer()->semaphore()->tryAcquire(1, timeout)) {
         Frame frame(frame_ptr);
         widget->setLastFrame(frame_ptr);
         emit widget->frameReceived(Mlt::QFrame(frame));