mirror of https://git.ffmpeg.org/ffmpeg.git
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>
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@ -70,12 +70,12 @@ typedef struct VP8DSPContext {
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void (*vp8_h_loop_filter_simple)(uint8_t *dst, ptrdiff_t stride, int flim);
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void (*vp8_h_loop_filter_simple)(uint8_t *dst, ptrdiff_t stride, int flim);
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/**
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/**
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* first dimension: width>>3, height is assumed equal to width
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* first dimension: 4-log2(width), height is assumed equal to width
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* second dimension: 0 if no vertical interpolation is needed;
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* second dimension: 0 if no vertical interpolation is needed;
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* 1 4-tap vertical interpolation filter (my & 1)
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* 1 4-tap vertical interpolation filter (my & 1)
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* 2 6-tap vertical interpolation filter (!(my & 1))
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* 2 6-tap vertical interpolation filter (!(my & 1))
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* third dimension: same as second dimension, for horizontal interpolation
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* third dimension: same as second dimension, for horizontal interpolation
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* so something like put_vp8_epel_pixels_tab[width>>3][2*!!my-(my&1)][2*!!mx-(mx&1)](..., mx, my)
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* so something like put_vp8_epel_pixels_tab[4-log2(width)][2*!!my-(my&1)][2*!!mx-(mx&1)](..., mx, my)
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*/
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*/
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vp8_mc_func put_vp8_epel_pixels_tab[3][3][3];
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vp8_mc_func put_vp8_epel_pixels_tab[3][3][3];
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vp8_mc_func put_vp8_bilinear_pixels_tab[3][3][3];
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vp8_mc_func put_vp8_bilinear_pixels_tab[3][3][3];
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