From dc08bbf63a217c839aa4c143f2a1d0b7e2e6d997 Mon Sep 17 00:00:00 2001 From: Martin Storsjö Date: Thu, 23 Jun 2016 14:31:14 +0300 Subject: vp8dsp: Clarify the first dimension of the mc function tables MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Index 0 is w=16, 1 is wd=8, 2 is wd=4. Signed-off-by: Martin Storsjö --- libavcodec/vp8dsp.h | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) (limited to 'libavcodec/vp8dsp.h') diff --git a/libavcodec/vp8dsp.h b/libavcodec/vp8dsp.h index 4864cf7969..deb8f27570 100644 --- a/libavcodec/vp8dsp.h +++ b/libavcodec/vp8dsp.h @@ -70,12 +70,12 @@ typedef struct VP8DSPContext { void (*vp8_h_loop_filter_simple)(uint8_t *dst, ptrdiff_t stride, int flim); /** - * first dimension: width>>3, height is assumed equal to width + * first dimension: 4-log2(width), height is assumed equal to width * second dimension: 0 if no vertical interpolation is needed; * 1 4-tap vertical interpolation filter (my & 1) * 2 6-tap vertical interpolation filter (!(my & 1)) * third dimension: same as second dimension, for horizontal interpolation - * so something like put_vp8_epel_pixels_tab[width>>3][2*!!my-(my&1)][2*!!mx-(mx&1)](..., mx, my) + * so something like put_vp8_epel_pixels_tab[4-log2(width)][2*!!my-(my&1)][2*!!mx-(mx&1)](..., mx, my) */ vp8_mc_func put_vp8_epel_pixels_tab[3][3][3]; vp8_mc_func put_vp8_bilinear_pixels_tab[3][3][3]; -- cgit v1.2.3