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| author | Reimar Döffinger <Reimar.Doeffinger@gmx.de> | 2009-04-12 08:49:20 +0000 |
|---|---|---|
| committer | Reimar Döffinger <Reimar.Doeffinger@gmx.de> | 2009-04-12 08:49:20 +0000 |
| commit | f28c4e756f6dc469127deefa116a7e0673f05927 (patch) | |
| tree | 343a73aea9044792c53462730438ff5f5edc7bcb /libavformat/wc3movie.c | |
| parent | b275500706ac3a20ac59bdb6ee080dc32f3254cf (diff) | |
Slightly improve/correct description of wc3_pal_lookup
Originally committed as revision 18462 to svn://svn.ffmpeg.org/ffmpeg/trunk
Diffstat (limited to 'libavformat/wc3movie.c')
| -rw-r--r-- | libavformat/wc3movie.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/libavformat/wc3movie.c b/libavformat/wc3movie.c index b96d3e1f46..5369057dd4 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 |