Commit 10da059b authored by Jingning Han's avatar Jingning Han Committed by Gerrit Code Review
Browse files

Remove unused is_background function

Change-Id: Ia540eac5f066ae95280c2f898370eddf0110c279
parent caaf63b2
......@@ -1282,36 +1282,6 @@ static void set_source_var_based_partition(VP9_COMP *cpi,
}
}
static int is_background(const VP9_COMP *cpi, const TileInfo *const tile,
int mi_row, int mi_col) {
// This assumes the input source frames are of the same dimension.
const int row8x8_remaining = tile->mi_row_end - mi_row;
const int col8x8_remaining = tile->mi_col_end - mi_col;
const int x = mi_col * MI_SIZE;
const int y = mi_row * MI_SIZE;
const int src_stride = cpi->Source->y_stride;
const uint8_t *const src = &cpi->Source->y_buffer[y * src_stride + x];
const int pre_stride = cpi->Last_Source->y_stride;
const uint8_t *const pre = &cpi->Last_Source->y_buffer[y * pre_stride + x];
int this_sad = 0;
int threshold = 0;
if (row8x8_remaining >= MI_BLOCK_SIZE &&
col8x8_remaining >= MI_BLOCK_SIZE) {
this_sad = cpi->fn_ptr[BLOCK_64X64].sdf(src, src_stride, pre, pre_stride);
threshold = (1 << 12);
} else {
int r, c;
for (r = 0; r < row8x8_remaining; r += 2)
for (c = 0; c < col8x8_remaining; c += 2)
this_sad += cpi->fn_ptr[BLOCK_16X16].sdf(src, src_stride,
pre, pre_stride);
threshold = (row8x8_remaining * col8x8_remaining) << 6;
}
return this_sad < 2 * threshold;
}
static void update_state_rt(VP9_COMP *cpi, PICK_MODE_CONTEXT *ctx,
int mi_row, int mi_col, int bsize) {
VP9_COMMON *const cm = &cpi->common;
......
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