Anonymous

diff --git a/mythtv/libs/libmythui/mythrender_vdpau.cpp b/mythtv/libs/libmythui/mythrender_vdpau.cpp
index 4bc6649..8efda03 100644
--- a/mythtv/libs/libmythui/mythrender_vdpau.cpp
+++ b/mythtv/libs/libmythui/mythrender_vdpau.cpp
@@ -484,9 +484,61 @@ void MythRenderVDPAU::WaitForFlip(void)
 
     INIT_ST
     VdpTime dummy = 0;
-    usleep(2000);
-    vdp_st = vdp_presentation_queue_block_until_surface_idle(
-                m_flipQueue, surface, &dummy);
+//    usleep(2000);
+#if 0
+    {
+        //LOCK_RENDER
+        //CHECK_STATUS()
+        QString out;
+        VdpTime time;
+        VdpPresentationQueueStatus status;
+        bool this_idle = false;
+        bool some_idle = false;
+        for (int i = 0; i < m_surfaces.size(); i++)
+        {
+            VdpOutputSurface surf = m_outputSurfaces[m_surfaces[i]].m_id;
+            vdp_presentation_queue_query_surface_status(m_flipQueue, surf,
+                                                        &status, &time);
+            if (VDP_PRESENTATION_QUEUE_STATUS_IDLE == status)
+            {
+                some_idle = true;
+                if (surf == surface)
+                    this_idle = true;
+                out += "I";
+            }
+            else if (VDP_PRESENTATION_QUEUE_STATUS_QUEUED == status)
+                out += "Q";
+            else if (VDP_PRESENTATION_QUEUE_STATUS_VISIBLE == status)
+                out += "V";
+        }
+        //VERBOSE(VB_IMPORTANT, LOC + QString("Queue status: %1").arg(out));
+        if (!some_idle || !this_idle)
+        {
+            VERBOSE(VB_PLAYBACK, LOC + "NO SURFACES AVAILABLE");
+        }
+        VERBOSE(VB_PLAYBACK, LOC + QString("Queue: current %1 some %2 (%3) - %4")
+            .arg(this_idle).arg(some_idle).arg(out).arg((long long)(time/1000000)));
+    }
+#endif
+
+    VdpTime now, time;
+    VdpPresentationQueueStatus status;
+    VERBOSE(VB_IMPORTANT, LOC + "vdp_presentation_queue_block_until_surface_idle() -- start");
+    bool idle_surface = false;
+    while (!idle_surface)
+    {
+        vdp_presentation_queue_query_surface_status(m_flipQueue, surface,
+                                                &status, &time);
+        vdp_st = vdp_presentation_queue_get_time(m_flipQueue, &now);
+        CHECK_ST
+        if (status == VDP_PRESENTATION_QUEUE_STATUS_IDLE)
+            idle_surface = true;
+        VERBOSE(VB_IMPORTANT, LOC + QString("vdp_presentation_queue_status time = %1 now = %2").arg((long long)time).arg((long long)now));
+        usleep(1000);
+    }
+//    vdp_st = vdp_presentation_queue_block_until_surface_idle(
+//                m_flipQueue, surface, &dummy);
+    VERBOSE(VB_IMPORTANT, LOC + QString("vdp_presentation_queue_block_until_surface_idle() -- end - %1").arg((long long)(dummy/1000000)));
     CHECK_ST
 }
 
@@ -1541,6 +1593,8 @@ bool MythRenderVDPAU::GetProcs(void)
         vdp_presentation_queue_get_time);
     GET_PROC(VDP_FUNC_ID_PRESENTATION_QUEUE_SET_BACKGROUND_COLOR,
         vdp_presentation_queue_set_background_color);
+    GET_PROC(VDP_FUNC_ID_PRESENTATION_QUEUE_QUERY_SURFACE_STATUS,
+        vdp_presentation_queue_query_surface_status);
     GET_PROC(VDP_FUNC_ID_DECODER_CREATE,  vdp_decoder_create);
     GET_PROC(VDP_FUNC_ID_DECODER_DESTROY, vdp_decoder_destroy);
     GET_PROC(VDP_FUNC_ID_DECODER_RENDER,  vdp_decoder_render);
@@ -1756,6 +1810,7 @@ void MythRenderVDPAU::ResetProcs(void)
     vdp_presentation_queue_target_create_x11 = NULL;
     vdp_presentation_queue_get_time = NULL;
     vdp_presentation_queue_set_background_color = NULL;
+    vdp_presentation_queue_query_surface_status = NULL;
     vdp_decoder_create = NULL;
     vdp_decoder_destroy = NULL;
     vdp_decoder_render = NULL;