Add in MXF file as a supported video format

[ardour.git] / gtk2_ardour / linux_vst_gui_support.cc

diff --git a/gtk2_ardour/linux_vst_gui_support.cc b/gtk2_ardour/linux_vst_gui_support.cc
index 5eaf485c7569587ff45bce90c1d9d70828e33282..c54430c4e64ede4a06a3d06be674251f2afa8138 100644 (file)
--- a/gtk2_ardour/linux_vst_gui_support.cc
+++ b/gtk2_ardour/linux_vst_gui_support.cc
@@ -22,11 +22,10 @@
 /** VSTFX - An engine based on FST for handling linuxVST plugins **/
 /******************************************************************/
 
-/** EDITOR tab stops at 4 **/
-
 #include <stdlib.h>
 #include <stdio.h>
 #include <libgen.h>
+#include <assert.h>
 
 #include <pthread.h>
 #include <signal.h>
@@ -349,11 +348,18 @@ void* gui_event_loop (void* ptr)
                /*Look at the XEvent queue - if there are any XEvents we need to handle them,
                including passing them to all the plugin (eventProcs) we are currently managing*/
                
+               bool may_sleep = true;
+
                if(LXVST_XDisplay)
                {
                        /*See if there are any events in the queue*/
                
                        int num_events = XPending(LXVST_XDisplay);
+
+                       if (num_events > 0) {
+                               // keep dispatching events as fast as possible
+                               may_sleep = false;
+                       }
                        
                        /*process them if there are any*/
                
@@ -465,6 +471,10 @@ again:
 
                        clock1 = g_get_monotonic_time();
                }
+
+               if (may_sleep && elapsed_time_ms + 1 < LXVST_sched_timer_interval) {
+                       Glib::usleep(1000 * (LXVST_sched_timer_interval - elapsed_time_ms - 1));
+               }
        }
 
        /*Drop out to here if we set gui_quit to 1 */
@@ -772,6 +782,10 @@ vstfx_event_loop_remove_plugin (VSTState* vstfx)
                }
        }
 
+       // if this function is called, there must be
+       // at least one plugin in the linked list
+       assert(vstfx_first);
+
        if (vstfx_first == vstfx) {
                vstfx_first = vstfx_first->next;
        }