From f28c4e756f6dc469127deefa116a7e0673f05927 Mon Sep 17 00:00:00 2001 From: =?utf8?q?Reimar=20D=C3=B6ffinger?= Date: Sun, 12 Apr 2009 08:49:20 +0000 Subject: [PATCH] Slightly improve/correct description of wc3_pal_lookup Originally committed as revision 18462 to svn://svn.ffmpeg.org/ffmpeg/trunk --- libavformat/wc3movie.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/libavformat/wc3movie.c b/libavformat/wc3movie.c index b96d3e1..5369057 100644 --- a/libavformat/wc3movie.c +++ b/libavformat/wc3movie.c @@ -76,9 +76,9 @@ typedef struct Wc3DemuxContext { * palette lookup table that does gamma correction * * can be calculated by this formula: - * for i between 0 and 252 inclusive: - * wc3_pal_lookup[i] = pow(i / 256.0, 0.8) * 256; - * values 253, 254 and 255 are all 0xFD + * for i between 0 and 251 inclusive: + * wc3_pal_lookup[i] = round(pow(i / 256.0, 0.8) * 256); + * values 252, 253, 254 and 255 are all 0xFD * calculating this at runtime should not cause any * rounding issues, the maximum difference between * the table values and the calculated doubles is -- 2.7.4