From b0704443f20d5a058634cb8e1ceb08721272b9f0 Mon Sep 17 00:00:00 2001
From: Michael Niedermayer <michaelni@gmx.at>
Date: Thu, 7 Jan 2010 03:40:41 +0000
Subject: [PATCH] Document *VLC_BITS.

Originally committed as revision 21046 to svn://svn.ffmpeg.org/ffmpeg/trunk
---
 libavcodec/h263.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/libavcodec/h263.c b/libavcodec/h263.c
index 67a7f18a5be..2dd6a15f054 100644
--- a/libavcodec/h263.c
+++ b/libavcodec/h263.c
@@ -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
-- 
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