From b0704443f20d5a058634cb8e1ceb08721272b9f0 Mon Sep 17 00:00:00 2001 From: Michael Niedermayer Date: Thu, 7 Jan 2010 03:40:41 +0000 Subject: Document *VLC_BITS. Originally committed as revision 21046 to svn://svn.ffmpeg.org/ffmpeg/trunk --- libavcodec/h263.c | 4 ++++ 1 file changed, 4 insertions(+) (limited to 'libavcodec/h263.c') diff --git a/libavcodec/h263.c b/libavcodec/h263.c index 67a7f18a5b..2dd6a15f05 100644 --- a/libavcodec/h263.c +++ b/libavcodec/h263.c @@ -45,6 +45,10 @@ //#undef NDEBUG //#include +// 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 -- cgit v1.2.3