- read_frame(out, target_layer, out_position, frame_rate, use_opengl);
+// Do NOT use opengl here because if you so than dissolve, flash, and zoome can cause problems.
+// read_frame(out, target_layer, out_position, frame_rate, use_opengl);
+ read_frame(out, target_layer, out_position, frame_rate, 0);