zqz/platform-external-webrtc
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Reduce CPU usage in test::FrameGenerator::SquareGenerator.

Browse Source 
This cl change the drawing to  use memset per row in each square instead of setting each pixel individually.

BUG=webrtc:7380

Review-Url: https://codereview.webrtc.org/2764753003
Cr-Commit-Position: refs/heads/master@{#17339}
This commit is contained in:
perkj
2017-03-22 04:57:53 -07:00
committed by Commit bot
parent 40854eab23
commit c8b0865a2e
1 changed files with 12 additions and 10 deletions
Download Patch File Download Diff File Expand all files Collapse all files

22
webrtc/test/frame_generator.cc
View File

@ -83,18 +83,20 @@ class SquareGenerator : public FrameGenerator {
void Draw(const rtc::scoped_refptr<I420Buffer>& buffer) {
x_ = (x_ + random_generator_.Rand(0, 4)) % (buffer->width() - length_);
y_ = (y_ + random_generator_.Rand(0, 4)) % (buffer->height() - length_);
for (int x = x_; x < x_ + length_; ++x) {
for (int y = y_; y < y_ + length_; ++y) {
uint8_t* pos_y = (buffer->MutableDataY() + x + y * buffer->StrideY());
*pos_y = yuv_y_;
uint8_t* pos_u =
(buffer->MutableDataU() + x / 2 + y / 2 * buffer->StrideU());
*pos_u = yuv_u_;
uint8_t* pos_v =
(buffer->MutableDataV() + x / 2 + y / 2 * buffer->StrideV());
*pos_v = yuv_v_;
uint8_t* pos_y =
(buffer->MutableDataY() + x_ + y * buffer->StrideY());
memset(pos_y, yuv_y_, length_);
}
for (int y = y_; y < y_ + length_; y = y + 2) {
uint8_t* pos_u =
(buffer->MutableDataU() + x_ / 2 + y / 2 * buffer->StrideU());
memset(pos_u, yuv_u_, length_ / 2);
uint8_t* pos_v =
(buffer->MutableDataV() + x_ / 2 + y / 2 * buffer->StrideV());
memset(pos_v, yuv_v_, length_ / 2);
}
}
}
private: