Increase the number of video/sub buffer.

Only if OPTIMIZE_MEMORY is not defined.
If allows better performance at the expense of memory.

include/vlc_config.h

@@ -148,14 +148,26 @@
 
 /* Video heap size - remember that a decompressed picture is big
  * (~1 Mbyte) before using huge values */
-#define VOUT_MAX_PICTURES               8
+#ifdef OPTIMIZE_MEMORY
+#   define VOUT_MAX_PICTURES               8
+#else
+#   define VOUT_MAX_PICTURES              16
+#endif
 
 /* Minimum number of direct pictures the video output will accept without
  * creating additional pictures in system memory */
-#define VOUT_MIN_DIRECT_PICTURES        6
+#ifdef OPTIMIZE_MEMORY
+#   define VOUT_MIN_DIRECT_PICTURES        6
+#else
+#   define VOUT_MIN_DIRECT_PICTURES        12
+#endif
 
 /* Number of simultaneous subpictures */
-#define VOUT_MAX_SUBPICTURES            8
+#ifdef OPTIMIZE_MEMORY
+#   define VOUT_MAX_SUBPICTURES            8
+#else
+#   define VOUT_MAX_SUBPICTURES            16
+#endif
 
 /* Statistics are displayed every n loops (=~ pictures) */
 #define VOUT_STATS_NB_LOOPS             100