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Remove unused corner_predictor and log2_minus_1 functions.

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Change-Id: Ic659544ca12b1bc191b93ddfa378964bd133bfc9
This commit is contained in:
Ronald S. Bultje 2013-04-23 11:19:39 -07:00
parent 00269a2413
commit c4cae4cd5d
1 changed files with 0 additions and 55 deletions
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55
vp9/common/vp9_reconintra.c
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@ -227,61 +227,6 @@ static void d153_predictor(uint8_t *ypred_ptr, int y_stride,
} }
} }
static void corner_predictor(uint8_t *ypred_ptr, int y_stride, int n,
uint8_t *yabove_row,
uint8_t *yleft_col) {
int mh, mv, maxgradh, maxgradv, x, y, nx, ny;
int i, j;
int top_left = yabove_row[-1];
mh = mv = 0;
maxgradh = yabove_row[1] - top_left;
maxgradv = yleft_col[1] - top_left;
for (i = 2; i < n; ++i) {
int gh = yabove_row[i] - yabove_row[i - 2];
int gv = yleft_col[i] - yleft_col[i - 2];
if (gh > maxgradh) {
maxgradh = gh;
mh = i - 1;
}
if (gv > maxgradv) {
maxgradv = gv;
mv = i - 1;
}
}
nx = mh + mv + 3;
ny = 2 * n + 1 - nx;
x = top_left;
for (i = 0; i <= mh; ++i) x += yabove_row[i];
for (i = 0; i <= mv; ++i) x += yleft_col[i];
x += (nx >> 1);
x /= nx;
y = 0;
for (i = mh + 1; i < n; ++i) y += yabove_row[i];
for (i = mv + 1; i < n; ++i) y += yleft_col[i];
y += (ny >> 1);
y /= ny;
for (i = 0; i < n; ++i) {
for (j = 0; j < n; ++j)
ypred_ptr[j] = (i <= mh && j <= mv ? x : y);
ypred_ptr += y_stride;
}
}
static INLINE int log2_minus_1(int n) {
switch (n) {
case 4: return 1;
case 8: return 2;
case 16: return 3;
case 32: return 4;
case 64: return 5;
default:
assert(0);
return 0;
}
}
void vp9_build_intra_predictors(uint8_t *src, int src_stride, void vp9_build_intra_predictors(uint8_t *src, int src_stride,
uint8_t *ypred_ptr, uint8_t *ypred_ptr,
int y_stride, int mode, int y_stride, int mode,