Index: ffplay.c
===================================================================
--- ffplay.c	(revision 20336)
+++ ffplay.c	(working copy)
@@ -45,9 +45,9 @@
 
 //#define DEBUG_SYNC
 
-#define MAX_VIDEOQ_SIZE (5 * 256 * 1024)
-#define MAX_AUDIOQ_SIZE (20 * 16 * 1024)
-#define MAX_SUBTITLEQ_SIZE (5 * 16 * 1024)
+#define MAX_VIDEOQ_SIZE (50 * 256 * 1024)
+#define MAX_AUDIOQ_SIZE (200 * 16 * 1024)
+#define MAX_SUBTITLEQ_SIZE (50 * 16 * 1024)
 
 /* SDL audio buffer size, in samples. Should be small to have precise
    A/V sync as SDL does not have hardware buffer fullness info. */
@@ -2023,6 +2023,14 @@
             eof= 0;
         }
 
+        /* if every queue is filled with at least 5% of max buffer size, no need to read more */
+        if ( (is->audio_stream < 0 || is->audioq.size > MAX_AUDIOQ_SIZE / 20) &&
+             (is->video_stream < 0 || is->videoq.size > MAX_VIDEOQ_SIZE / 20) &&
+             (is->subtitle_stream < 0 || is->subtitleq.size > MAX_SUBTITLEQ_SIZE / 20)) {
+            /* wait 10 ms */
+            SDL_Delay(10);
+            continue;
+        } 
         /* if the queue are full, no need to read more */
         if (is->audioq.size > MAX_AUDIOQ_SIZE ||
             is->videoq.size > MAX_VIDEOQ_SIZE ||