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| author | Vitor Sessak <vitor1001@gmail.com> | 2008-05-26 18:21:09 +0000 |
|---|---|---|
| committer | Vitor Sessak <vitor1001@gmail.com> | 2008-05-26 18:21:09 +0000 |
| commit | e9655b3dcd667c3da2f5eae2c1bd971d5c271400 (patch) | |
| tree | b42c493ba8b052ac6ca22e24ac2ee1cc2702e287 /libavcodec/ra144.c | |
| parent | 2a7b6f251c56c3107ea3f744991c915466a92673 (diff) | |
| download | ffmpeg-e9655b3dcd667c3da2f5eae2c1bd971d5c271400.tar.gz | |
Update comment
Originally committed as revision 13434 to svn://svn.ffmpeg.org/ffmpeg/trunk
Diffstat (limited to 'libavcodec/ra144.c')
| -rw-r--r-- | libavcodec/ra144.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/libavcodec/ra144.c b/libavcodec/ra144.c index 5320d48807..5ecb04f34d 100644 --- a/libavcodec/ra144.c +++ b/libavcodec/ra144.c @@ -56,7 +56,10 @@ static int ra144_decode_init(AVCodecContext * avctx) return 0; } -/* lookup square roots in table */ +/** + * Evaluate sqrt(x << 24). x must fit in 20 bits. This value is evaluated in a + * odd way to make the output identical to the binary decoder. + */ static int t_sqrt(unsigned int x) { int s = 0; |