[FFmpeg-cvslog] r21046 - trunk/libavcodec/h263.c

[michael]

Author: michael
Date: Thu Jan  7 04:40:41 2010
New Revision: 21046

Log:
Document *VLC_BITS.

Modified:
   trunk/libavcodec/h263.c

Modified: trunk/libavcodec/h263.c
==============================================================================
--- trunk/libavcodec/h263.c	Thu Jan  7 04:36:46 2010	(r21045)
+++ trunk/libavcodec/h263.c	Thu Jan  7 04:40:41 2010	(r21046)
@@ -45,6 +45,10 @@
 //#undef NDEBUG
 //#include <assert.h>
 
+// The defines below define the number of bits that are read at once for
+// reading vlc values. Changing these may improve speed and data cache needs
+// be aware though that decreasing them may need the number of stages that is
+// passed to get_vlc* to be increased.
 #define INTRA_MCBPC_VLC_BITS 6
 #define INTER_MCBPC_VLC_BITS 7
 #define CBPY_VLC_BITS 6