diff options
| author | Jingning Han <jingning@google.com> | 2015-01-07 18:36:47 -0800 |
|---|---|---|
| committer | Jingning Han <jingning@google.com> | 2015-01-08 12:32:28 -0800 |
| commit | e3f0b19f3f12f5a46d485ea4b767fd2885e72012 (patch) | |
| tree | defde8f0af4783e7ccecc7455775e72317616676 /vp9 | |
| parent | e535ad50672e3e9c2c874eec38adbe9dc4e4ed99 (diff) | |
| download | libvpx-e3f0b19f3f12f5a46d485ea4b767fd2885e72012.tar libvpx-e3f0b19f3f12f5a46d485ea4b767fd2885e72012.tar.gz libvpx-e3f0b19f3f12f5a46d485ea4b767fd2885e72012.tar.bz2 libvpx-e3f0b19f3f12f5a46d485ea4b767fd2885e72012.zip | |
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
Diffstat (limited to 'vp9')
| -rw-r--r-- | vp9/encoder/vp9_denoiser.c | 13 |
1 files changed, 4 insertions, 9 deletions
diff --git a/vp9/encoder/vp9_denoiser.c b/vp9/encoder/vp9_denoiser.c index febad495b..5a99ecade 100644 --- a/vp9/encoder/vp9_denoiser.c +++ b/vp9/encoder/vp9_denoiser.c @@ -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, |