The 2x2 black frame on windows when the shared window is minimized caused an assert from vp8 and may lead to memroy corruption.
It's changed to 1x1 to match the behavior on Mac. The Chromium code will detect the size and convert it to a black frame in the original size.
TBR=sergeyu@chromium.org
BUG=crbug/414908
Review URL: https://webrtc-codereview.appspot.com/23709004
git-svn-id: http://webrtc.googlecode.com/svn/trunk/webrtc@7214 4adac7df-926f-26a2-2b94-8c16560cd09d
diff --git a/modules/desktop_capture/window_capturer_win.cc b/modules/desktop_capture/window_capturer_win.cc
index ac0ee7a..3cb1048 100644
--- a/modules/desktop_capture/window_capturer_win.cc
+++ b/modules/desktop_capture/window_capturer_win.cc
@@ -173,10 +173,10 @@
return;
}
- // Return a 2x2 black frame if the window is minimized. The size is 2x2 so it
- // can be subsampled to I420 downstream.
+ // Return a 1x1 black frame if the window is minimized, to match the behavior
+ // on Mac.
if (IsIconic(window_)) {
- BasicDesktopFrame* frame = new BasicDesktopFrame(DesktopSize(2, 2));
+ BasicDesktopFrame* frame = new BasicDesktopFrame(DesktopSize(1, 1));
memset(frame->data(), 0, frame->stride() * frame->size().height());
previous_size_ = frame->size();
