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If a desktop captured window switches on/off it full screen mode, the capture may be unexpectedly terminated. During the transition of full screen mode on/off, the window can be temporarily invisible.

Browse Source 
BUG=498484

Review URL: https://codereview.webrtc.org/1426103005

Cr-Commit-Position: refs/heads/master@{#10583}
This commit is contained in:
gyzhou
2015-11-10 07:33:51 -08:00
committed by Commit bot
parent d153a37801
commit c94bd9bf86
1 changed files with 6 additions and 5 deletions
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11
webrtc/modules/desktop_capture/window_capturer_win.cc
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@ -156,15 +156,16 @@ void WindowCapturerWin::Capture(const DesktopRegion& region) {
return;
}
// Stop capturing if the window has been closed or hidden.
if (!IsWindow(window_) || !IsWindowVisible(window_)) {
// Stop capturing if the window has been closed.
if (!IsWindow(window_)) {
callback_->OnCaptureCompleted(NULL);
return;
}
// Return a 1x1 black frame if the window is minimized, to match the behavior
// on Mac.
if (IsIconic(window_)) {
// Return a 1x1 black frame if the window is minimized or invisible, to match
// behavior on mace. Window can be temporarily invisible during the
// transition of full screen mode on/off.
if (IsIconic(window_) || !IsWindowVisible(window_)) {
BasicDesktopFrame* frame = new BasicDesktopFrame(DesktopSize(1, 1));
memset(frame->data(), 0, frame->stride() * frame->size().height());