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

webrtc: Blank desktop capturer regards empty frame as a blank frame

Browse Source 
There is a AV where GDI capturer sends empty frame to the
blank detector. It is fine operation from the GDI capturer
to pass an empty to the next handler. So, blank capturer
filter it and send it as blank frame to next handler.

Bug: webrtc:14265
Change-Id: Ifc90a210703e14fa6d0dc7fb2ae2942ae4e8125f
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/268444
Reviewed-by: Alexander Cooper <alcooper@chromium.org>
Commit-Queue: Alexander Cooper <alcooper@chromium.org>
Cr-Commit-Position: refs/heads/main@{#37513}
This commit is contained in:
Sunggook Chue
2022-07-12 16:19:07 -07:00
committed by WebRTC LUCI CQ
parent edd8c257f4
commit b5d77a0c84
1 changed files with 7 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files

8
modules/desktop_capture/blank_detector_desktop_capturer_wrapper.cc
View File

@ -86,7 +86,13 @@ void BlankDetectorDesktopCapturerWrapper::OnCaptureResult(
return;
}
RTC_DCHECK(frame);
if (!frame) {
// Capturer can call the blank detector with empty frame. Blank
// detector regards it as a blank frame.
callback_->OnCaptureResult(Result::ERROR_TEMPORARY,
std::unique_ptr<DesktopFrame>());
return;
}
// If nothing has been changed in current frame, we do not need to check it
// again.