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author | Martin Storsjö <martin@martin.st> | 2016-06-23 14:31:14 +0300 |
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committer | Martin Storsjö <martin@martin.st> | 2016-07-06 22:45:29 +0300 |
commit | dc08bbf63a217c839aa4c143f2a1d0b7e2e6d997 (patch) | |
tree | 5e9a485843b717ced90566af15d9495c63589d04 | |
parent | 924e2ecd2b7d51cca60c79351ef16b04dd4245c3 (diff) | |
download | ffmpeg-streaming-dc08bbf63a217c839aa4c143f2a1d0b7e2e6d997.zip ffmpeg-streaming-dc08bbf63a217c839aa4c143f2a1d0b7e2e6d997.tar.gz |
vp8dsp: Clarify the first dimension of the mc function tables
Index 0 is w=16, 1 is wd=8, 2 is wd=4.
Signed-off-by: Martin Storsjö <martin@martin.st>
-rw-r--r-- | libavcodec/vp8dsp.h | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/libavcodec/vp8dsp.h b/libavcodec/vp8dsp.h index 4864cf7..deb8f27 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]; |