diff options
author | Ronald S. Bultje <rsbultje@gmail.com> | 2016-05-03 13:53:17 -0400 |
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committer | Ronald S. Bultje <rsbultje@gmail.com> | 2016-05-10 08:37:55 -0400 |
commit | 431117dcb55c9bd47febf9ee3379e14a5d6595c8 (patch) | |
tree | e4bb5bed1f77a604e4368fbe77267e4fbfb5b91b /libavfilter/colorspacedsp.c | |
parent | 9486de5a85f0c54f241849d6b22bee943da557d0 (diff) |
vf_colorspace: add floyd-steinberg dithering option to full conversion.
Diffstat (limited to 'libavfilter/colorspacedsp.c')
-rw-r--r-- | libavfilter/colorspacedsp.c | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/libavfilter/colorspacedsp.c b/libavfilter/colorspacedsp.c index d4c43c380f..735e4039a2 100644 --- a/libavfilter/colorspacedsp.c +++ b/libavfilter/colorspacedsp.c @@ -20,6 +20,10 @@ #include "colorspacedsp.h" +/* + * SS_W/H stands for "subsampling_w/h" + * it's analogous to AVPixFmtDescriptor->log2_chroma_w/h. + */ #define SS_W 0 #define SS_H 0 @@ -114,6 +118,15 @@ void ff_colorspacedsp_init(ColorSpaceDSPContext *dsp) init_rgb2yuv_fn(1, 10); init_rgb2yuv_fn(2, 12); +#define init_rgb2yuv_fsb_fn(idx, bit) \ + dsp->rgb2yuv_fsb[idx][0] = rgb2yuv_fsb_444p##bit##_c; \ + dsp->rgb2yuv_fsb[idx][1] = rgb2yuv_fsb_422p##bit##_c; \ + dsp->rgb2yuv_fsb[idx][2] = rgb2yuv_fsb_420p##bit##_c + + init_rgb2yuv_fsb_fn(0, 8); + init_rgb2yuv_fsb_fn(1, 10); + init_rgb2yuv_fsb_fn(2, 12); + #define init_yuv2yuv_fn(idx1, idx2, bit1, bit2) \ dsp->yuv2yuv[idx1][idx2][0] = yuv2yuv_444p##bit1##to##bit2##_c; \ dsp->yuv2yuv[idx1][idx2][1] = yuv2yuv_422p##bit1##to##bit2##_c; \ |