Hello,

There is an issue on the QWebEnginePage::DesktopVideoCapture in x64, Debug and Release.

If I try to use it, it always crash the software.

Test was done with this page https://www.webrtc-experiment.com/RecordRTC/

Microphone + Camera is working on the version indicated.

But FullScreen is not working.

I tested with other website. the same.

A crash occur inside Qt dlls

In debug x64 on Windows 7 x64 (I already tester the version 5.12x and 5.13.x on Windows 10 and this is also crashing)

After featurePermissionRequested was accepted
Application output:
[4272:4488:1029/121145.273:FATAL:media_stream_manager.cc(1507)] Check failed: request->generate_stream_cb.

Dissambler:
0x7feb7682255 <+1191253> call qword ptr [Qt5WebEngineCored!IsSandboxedProcess+0x2a91088 (000007fe`bc235f18)]
0x7feb768225b <+1191259> int 3

Thanks in advance for looking for the problem.