From a9badb51bffd508918a20674d821b786bd94d12c Mon Sep 17 00:00:00 2001 From: Michael Niedermayer Date: Wed, 5 Mar 2003 23:55:52 +0000 Subject: [PATCH] ff_block_permute() dox Originally committed as revision 1628 to svn://svn.ffmpeg.org/ffmpeg/trunk --- libavcodec/dsputil.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/libavcodec/dsputil.c b/libavcodec/dsputil.c index 58297f3f09..e568bcc106 100644 --- a/libavcodec/dsputil.c +++ b/libavcodec/dsputil.c @@ -1625,6 +1625,12 @@ static int sad8x8_c(void *s, uint8_t *a, uint8_t *b, int stride){ return pix_abs8x8_c(a,b,stride); } +/** + * permutes an 8x8 block. + * @param block the block :) + * @param permutation the permutation vector + * @param last the last non zero coefficient in scantable order, used to speed the permutation up + */ void ff_block_permute(DCTELEM *block, uint8_t *permutation, const uint8_t *scantable, int last) { int i;