generic-library/vpx
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

Merge "Sample points to reduce encode overhead."

Browse Source
This commit is contained in:
Paul Wilkins
2016-07-22 09:27:34 +00:00
committed by Gerrit Code Review
parent 063e4a2914 3a986eac57
commit 830fa866a5
1 changed files with 4 additions and 3 deletions
Download Patch File Download Diff File Expand all files Collapse all files

7
vp9/encoder/vp9_firstpass.c
View File

@@ -689,8 +689,9 @@ static int fp_estimate_block_noise(MACROBLOCK *x, BLOCK_SIZE bsize) {
int stride = x->plane[0].src.stride;
int block_noise = 0;
for (h = 0; h < height; ++h) {
for (w = 0; w < width; ++w) {
// Sampled points to reduce cost overhead.
for (h = 0; h < height; h += 2) {
for (w = 0; w < width; w += 2) {
#if CONFIG_VP9_HIGHBITDEPTH
if (xd->cur_buf->flags & YV12_FLAG_HIGHBITDEPTH)
block_noise += fp_highbd_estimate_point_noise(src_ptr, stride);
@@ -703,7 +704,7 @@ static int fp_estimate_block_noise(MACROBLOCK *x, BLOCK_SIZE bsize) {
}
src_ptr += (stride - width);
}
return block_noise;
return block_noise << 2; // Scale << 2 to account for sampling.
}
#define INVALID_ROW -1