warped_motion.[hc]: rm unused project_points_affine
the last reference was removed in:
62fe78e59a Remove ext-warped-motion part2
Change-Id: I186e502b7c7fe0c23827f14645dad9520152e9f9
diff --git a/av1/common/warped_motion.c b/av1/common/warped_motion.c
index ae6f076..412d83e 100644
--- a/av1/common/warped_motion.c
+++ b/av1/common/warped_motion.c
@@ -92,33 +92,6 @@
};
/* clang-format on */
-void project_points_affine(const int32_t *mat, int *points, int *proj,
- const int n, const int stride_points,
- const int stride_proj, const int subsampling_x,
- const int subsampling_y) {
- for (int i = 0; i < n; ++i) {
- const int x = *(points++), y = *(points++);
- if (subsampling_x)
- *(proj++) = ROUND_POWER_OF_TWO_SIGNED(
- mat[2] * 2 * x + mat[3] * 2 * y + mat[0] +
- (mat[2] + mat[3] - (1 << WARPEDMODEL_PREC_BITS)) / 2,
- WARPEDDIFF_PREC_BITS + 1);
- else
- *(proj++) = ROUND_POWER_OF_TWO_SIGNED(mat[2] * x + mat[3] * y + mat[0],
- WARPEDDIFF_PREC_BITS);
- if (subsampling_y)
- *(proj++) = ROUND_POWER_OF_TWO_SIGNED(
- mat[4] * 2 * x + mat[5] * 2 * y + mat[1] +
- (mat[4] + mat[5] - (1 << WARPEDMODEL_PREC_BITS)) / 2,
- WARPEDDIFF_PREC_BITS + 1);
- else
- *(proj++) = ROUND_POWER_OF_TWO_SIGNED(mat[4] * x + mat[5] * y + mat[1],
- WARPEDDIFF_PREC_BITS);
- points += stride_points - 2;
- proj += stride_proj - 2;
- }
-}
-
// For warping, we really use a 6-tap filter, but we do blocks of 8 pixels
// at a time. The zoom/rotation/shear in the model are applied to the
// "fractional" position of each pixel, which therefore varies within
diff --git a/av1/common/warped_motion.h b/av1/common/warped_motion.h
index f5da36b..ce4032e 100644
--- a/av1/common/warped_motion.h
+++ b/av1/common/warped_motion.h
@@ -68,11 +68,6 @@
{ 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1 }
};
-void project_points_affine(const int32_t *mat, int *points, int *proj,
- const int n, const int stride_points,
- const int stride_proj, const int subsampling_x,
- const int subsampling_y);
-
// Returns the error between the result of applying motion 'wm' to the frame
// described by 'ref' and the frame described by 'dst'.
int64_t av1_warp_error(WarpedMotionParams *wm, int use_hbd, int bd,
