Ticket #1842: cn400.diff

libs/libmythtv/NuppelVideoPlayer.cpp

@@ -84 +84 @@
 #endif
 
 #define FAST_RESTART 0
+
+#define MIN_USLEEP ((1000000 / 1000) + 500)
+
 #define LOC QString("NVP: ")
 #define LOC_ERR QString("NVP, Error: ")
 
@@ -3103 +3106 @@
         // If mythyv/mythfrontend was installed SUID root, this will work.
 #ifndef CONFIG_DARWIN
         gContext->addPrivRequest(MythPrivRequest::MythRealtime, &output_video);
-#endif
 
         // Use realtime prio for decoder thread as well
-        //gContext->addPrivRequest(MythPrivRequest::MythRealtime, &decoder_thread);
-    }
+        gContext->addPrivRequest(MythPrivRequest::MythRealtime, &decoder_thread);
+#endif
 
+    }
+
     if (bookmarkseek > 30)
     {
         GetFrame(audioOutput == NULL || !normal_speed);

libs/libmythtv/videoout_xv.cpp

@@ -695 +695 @@
         myth2av_codecid(myth_codec_id, vld, idct, mc);
 
         if (vld)
-            xvmc_buf_attr->SetNumSurf(16);
+            xvmc_buf_attr->SetNumSurf(12);
 
         vbuffers.Init(xvmc_buf_attr->GetNumSurf(),
                       false /* create an extra frame for pause? */,
@@ -1358 +1358 @@
     XvMCContext *ctx = new XvMCContext;
     X11S(ret = XvMCCreateContext(disp, port, surf_type, width, height,
                                  XVMC_DIRECT, ctx));
+
+    VERBOSE(VB_PLAYBACK, LOC + QString("XvMCCreateContext: '%1'")
+            .arg(ret));
+
     if (ret != Success)
     {
         VERBOSE(VB_IMPORTANT, LOC_ERR +
@@ -1397 +1401 @@
 
     bool createBlocks = !(XVMC_VLD == (xvmc_surf_info.mc_type & XVMC_VLD));
     xvmc_surfs = CreateXvMCSurfaces(xvmc_buf_attr->GetMaxSurf(), createBlocks);
+
+    VERBOSE(VB_PLAYBACK, LOC + QString("Num surfaces: '%1'")
+            .arg(xvmc_surfs.size()));
+
     if (xvmc_surfs.size() < xvmc_buf_attr->GetMinSurf())
     {
         VERBOSE(VB_IMPORTANT, LOC_ERR + "Unable to create XvMC Surfaces");

libs/libmythtv/util-xvmc.h

@@ -53 +53 @@
         num_xvmc_surf(1),
         needed_for_display(1),
         min_num_xvmc_surfaces(8),
-        max_num_xvmc_surfaces(16),
+        max_num_xvmc_surfaces(12),
         num_xvmc_surfaces(min_num_xvmc_surfaces),
-        aggressive(false) {}
+        aggressive(true) {}
 
     void SetOSDNum(uint val)
     {

programs/mythfrontend/main.cpp

@@ -695 +695 @@
                             .arg(getuid()).arg(geteuid()));
 
     (void)data;
+
+    int thread_prio = 1;
+
     while (true) 
     {
         gContext->waitPrivRequest();
@@ -710 +713 @@
                 {
                     pthread_t *target_thread = (pthread_t *)(req.getData());
                     // Raise the given thread to realtime priority
-                    struct sched_param sp = {1};
+                    struct sched_param sp = {thread_prio};
+                    thread_prio++;
                     if (target_thread)
                     {
                         int status = pthread_setschedparam(
-                            *target_thread, SCHED_FIFO, &sp);
+                            *target_thread, SCHED_RR, &sp);
                         if (status) 
                         {
                             // perror("pthread_setschedparam");