[mythtv] [PATCH] Choppy playback fix

[Mark A. Mankins]

My previous patch caused a deadlock when playback was paused.  This patch 
fixes the choppy playback and allows pause/resume to work properly.

Mark

RCS file: /var/lib/mythcvs/mythtv/libs/libmythtv/NuppelVideoPlayer.cpp,v
retrieving revision 1.399
diff -u -r1.399 NuppelVideoPlayer.cpp
--- libs/libmythtv/NuppelVideoPlayer.cpp 3 Dec 2004 03:59:11 -0000 1.399
+++ libs/libmythtv/NuppelVideoPlayer.cpp 4 Dec 2004 15:35:32 -0000
@@ -1839,9 +1839,8 @@
         if (nvr_enc && nvr_enc->GetErrorStatus())
             killplayer = true;
 
-        // Yield before acquiring the decoder lock to give the TV
-        // thread a chance to get in.
-        sched_yield();
+        if(paused) sched_yield();
+
         QMutexLocker decoder_locker(&decoder_lock);
 
         if (rewindtime < 0)