Fix bug: audio use 100% CPU during pause.

ChangeLog

@@ -2,6 +2,7 @@ User johns
 Date:
 
     Release Version 0.5.1
+    Fix bug: audio use 100% CPU during pause.
     Guard audio skip against old PTS values.
     Improved audio skip, after channel switch.
     Setup add preview of collapsed tree.

audio.c

@@ -3474,6 +3474,10 @@ static void *AudioPlayHandlerThread(void *dummy)
 		    AudioResetNormalizer();
 		}
 	    }
+	    // FIXME: check AudioPaused ...Thread()
+	    if (AudioPaused) {
+		break;
+	    }
 	} while (AudioRing[AudioRingRead].HwSampleRate);
     }
     return dummy;
@@ -3755,7 +3759,7 @@ void AudioVideoReady(int64_t pts)
 	    VideoAudioDelay / 90, skip / 90);
 #endif
 	// guard against old PTS
-	if (skip> 0 && skip < 2000 * 90) {
+	if (skip > 0 && skip < 2000 * 90) {
 	    skip = (((int64_t) skip * AudioRing[AudioRingWrite].HwSampleRate)
 		/ (1000 * 90))
 		* AudioRing[AudioRingWrite].HwChannels * AudioBytesProSample;