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| author | Vito Caputo <vcaputo@pengaru.com> | 2020-11-08 23:37:24 -0800 |
|---|---|---|
| committer | Vito Caputo <vcaputo@pengaru.com> | 2020-11-08 23:37:24 -0800 |
| commit | 1a06acc0e75eacb6f284999e7530b729b3cb261c (patch) | |
| tree | 79053d3101949cb51a196447eb0f463f7408173c /src/rmd_yuv_utils.c | |
| parent | f910449154719024f274be9fad1046f26cef457c (diff) | |
yuv_utils: fixup yuv chroma offset/stride math
hopefully this is is all of it, will need more testing
I noticed during some non-full-shots tests that the dirty areas
didn't seem to be getting rounded up properly so my single pixel
window border's color was sometimes omitted on the right edge and
bottom...
Diffstat (limited to 'src/rmd_yuv_utils.c')
| -rw-r--r-- | src/rmd_yuv_utils.c | 34 |
1 files changed, 17 insertions, 17 deletions
diff --git a/src/rmd_yuv_utils.c b/src/rmd_yuv_utils.c index 21bce16..7deef4e 100644 --- a/src/rmd_yuv_utils.c +++ b/src/rmd_yuv_utils.c @@ -197,10 +197,10 @@ static inline int blocknum(int xv, int yv, int widthv, int blocksize) __depth__) { \ \ register u_int##__depth__##_t t_val; \ - register unsigned char *yuv_U = (yuv)->u + x_tm / 2 + \ - (y_tm * (yuv)->uv_width) / 2, \ - *yuv_V = (yuv)->v + x_tm / 2 + \ - (y_tm * (yuv)->uv_width) / 2, \ + register unsigned char *yuv_U = (yuv)->u + (x_tm >> 1) + \ + (y_tm >> 1) * (yuv)->uv_stride, \ + *yuv_V = (yuv)->v + (x_tm >> 1) + \ + (y_tm >> 1) * (yuv)->uv_stride, \ *_ur = Ur, *_ug = Ug, *_ubvr = UbVr, \ *_vg = Vg, *_vb = Vb; \ register u_int##__depth__##_t *datapi = (u_int##__depth__##_t *)data, \ @@ -228,8 +228,8 @@ static inline int blocknum(int xv, int yv, int widthv, int blocksize) yuv_V++; \ } \ \ - yuv_U += ((yuv)->y_stride - (width_tm - w_odd * 2)) >> 1; \ - yuv_V += ((yuv)->y_stride - (width_tm - w_odd * 2)) >> 1; \ + yuv_U += ((yuv)->uv_stride - ((width_tm - w_odd * 2) >> 1)); \ + yuv_V += ((yuv)->uv_stride - ((width_tm - w_odd * 2) >> 1)); \ \ datapi += width_tm + w_odd; \ if (sampling == __PXL_AVERAGE) \ @@ -280,10 +280,10 @@ static inline int blocknum(int xv, int yv, int widthv, int blocksize) __depth__) { \ \ register u_int##__depth__##_t t_val; \ - register unsigned char *yuv_U = (yuv)->u + x_tm / 2 + \ - (y_tm * (yuv)->uv_width) / 2, \ - *yuv_V = (yuv)->v + x_tm / 2 + \ - (y_tm * (yuv)->uv_width) / 2, \ + register unsigned char *yuv_U = (yuv)->u + (x_tm >> 1) + \ + ((y_tm >> 1) * (yuv)->uv_stride), \ + *yuv_V = (yuv)->v + (x_tm >> 1) + \ + ((y_tm >> 1) * (yuv)->uv_stride), \ *_ur = Ur, *_ug = Ug, *_ubvr = UbVr, \ *_vg = Vg, *_vb = Vb; \ \ @@ -309,12 +309,12 @@ static inline int blocknum(int xv, int yv, int widthv, int blocksize) t_val, \ datapi, \ datapi_next, \ - _ur,_ug,_ubvr,_vg,_vb, \ + _ur, _ug, _ubvr, _vg, _vb, \ sampling, \ __depth__); \ \ - ublocks[blocknum(x_tm + i, y_tm + k, (yuv)->y_width, Y_UNIT_WIDTH)] = 1; \ - vblocks[blocknum(x_tm + i, y_tm + k, (yuv)->y_width, Y_UNIT_WIDTH)] = 1; \ + ublocks[blocknum(x_tm + i, y_tm + k, (yuv)->y_width, Y_UNIT_WIDTH)] = 1;\ + vblocks[blocknum(x_tm + i, y_tm + k, (yuv)->y_width, Y_UNIT_WIDTH)] = 1;\ } \ \ datapi += 2; \ @@ -326,8 +326,8 @@ static inline int blocknum(int xv, int yv, int widthv, int blocksize) yuv_V++; \ } \ \ - yuv_U += ((yuv)->y_stride - (width_tm - w_odd * 2)) >> 1; \ - yuv_V += ((yuv)->y_stride - (width_tm - w_odd * 2)) >> 1; \ + yuv_U += ((yuv)->uv_stride - ((width_tm - w_odd * 2) >> 1)); \ + yuv_V += ((yuv)->uv_stride - ((width_tm - w_odd * 2) >> 1)); \ \ datapi += width_tm + w_odd; \ datapi_back += width_tm + w_odd; \ @@ -347,8 +347,8 @@ static inline int blocknum(int xv, int yv, int widthv, int blocksize) sampling, \ __depth__); \ \ - ublocks[blocknum(x_tm + i, y_tm + k, (yuv)->y_width, Y_UNIT_WIDTH)] = 1; \ - vblocks[blocknum(x_tm + i, y_tm + k, (yuv)->y_width, Y_UNIT_WIDTH)] = 1; \ + ublocks[blocknum(x_tm + i, y_tm + k, (yuv)->y_width, Y_UNIT_WIDTH)] = 1;\ + vblocks[blocknum(x_tm + i, y_tm + k, (yuv)->y_width, Y_UNIT_WIDTH)] = 1;\ } \ \ datapi += 2; \ |