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

Merge "Fix Chroma plane md5 check"

Browse Source
This commit is contained in:
Jim Bankoski 2013-08-26 15:27:14 -07:00 committed by Gerrit Code Review
commit bbb490f6a3
1 changed files with 9 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

12
test/md5_helper.h
View File

@ -25,9 +25,15 @@ class MD5 {
void Add(const vpx_image_t *img) {
for (int plane = 0; plane < 3; ++plane) {
uint8_t *buf = img->planes[plane];
const int h = plane ? (img->d_h + 1) >> 1 : img->d_h;
const int w = plane ? (img->d_w + 1) >> 1 : img->d_w;
const uint8_t *buf = img->planes[plane];
// Calculate the width and height to do the md5 check. For the chroma
// plane, we never want to round down and thus skip a pixel so if
// we are shifting by 1 (chroma_shift) we add 1 before doing the shift.
// This works only for chroma_shift of 0 and 1.
const int h = plane ? (img->d_h + img->y_chroma_shift) >>
img->y_chroma_shift : img->d_h;
const int w = plane ? (img->d_w + img->x_chroma_shift) >>
img->x_chroma_shift : img->d_w;
for (int y = 0; y < h; ++y) {
MD5Update(&md5_, buf, w);