Commit e3f0b19f authored by Jingning Han's avatar Jingning Han

Use lookup table to find pixel numbers in block

This could save one multiplication in each threshold funtion
called by the denoiser per block.

Change-Id: I35f437e09999f0a087180878ef7805f0d86e5819
parent e535ad50
......@@ -49,9 +49,7 @@ static int noise_motion_thresh(BLOCK_SIZE bs, int increase_denoising) {
}
static unsigned int sse_thresh(BLOCK_SIZE bs, int increase_denoising) {
return (4 << b_width_log2_lookup[bs]) *
(4 << b_height_log2_lookup[bs]) *
(increase_denoising ? 60 : 40);
return (1 << num_pels_log2_lookup[bs]) * (increase_denoising ? 60 : 40);
}
static int sse_diff_thresh(BLOCK_SIZE bs, int increase_denoising,
......@@ -60,19 +58,16 @@ static int sse_diff_thresh(BLOCK_SIZE bs, int increase_denoising,
noise_motion_thresh(bs, increase_denoising)) {
return 0;
} else {
return (4 << b_width_log2_lookup[bs]) *
(4 << b_height_log2_lookup[bs]) * 20;
return (1 << num_pels_log2_lookup[bs]) * 20;
}
}
int total_adj_strong_thresh(BLOCK_SIZE bs, int increase_denoising) {
return (4 << b_width_log2_lookup[bs]) *
(4 << b_height_log2_lookup[bs]) * (increase_denoising ? 3 : 2);
return (1 << num_pels_log2_lookup[bs]) * (increase_denoising ? 3 : 2);
}
static int total_adj_weak_thresh(BLOCK_SIZE bs, int increase_denoising) {
return (4 << b_width_log2_lookup[bs]) *
(4 << b_height_log2_lookup[bs]) * (increase_denoising ? 3 : 2);
return (1 << num_pels_log2_lookup[bs]) * (increase_denoising ? 3 : 2);
}
// TODO(jackychen): If increase_denoising is enabled in the future,
......
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