Skips the first frame in DxgiDuplicatorController

webrtc/modules/desktop_capture/win/dxgi_adapter_duplicator.cc

Index: webrtc/modules/desktop_capture/win/dxgi_adapter_duplicator.cc
diff --git a/webrtc/modules/desktop_capture/win/dxgi_adapter_duplicator.cc b/webrtc/modules/desktop_capture/win/dxgi_adapter_duplicator.cc
index 443770f1eefdb07afdf98bbb4a30ce12ba936d2d..3be9161aa8f0f92572516a14025266ceb4e9924e 100644
--- a/webrtc/modules/desktop_capture/win/dxgi_adapter_duplicator.cc
+++ b/webrtc/modules/desktop_capture/win/dxgi_adapter_duplicator.cc
@@ -144,4 +144,19 @@ DesktopRect DxgiAdapterDuplicator::ScreenRect(int id) const {
   return duplicators_[id].desktop_rect();
 }
 
+int DxgiAdapterDuplicator::screen_count() const {
+  return static_cast<int>(duplicators_.size());
+}
+
+int64_t DxgiAdapterDuplicator::num_frames_captured() const {

[Sergey Ulanov, 2017/02/23 19:07:30]

It should be called GetNumFramesCaptured()

[Hzj_jie, 2017/02/23 20:52:11]

Done.

+  int64_t min = INT64_MAX;
+  for (size_t i = 0; i < duplicators_.size(); i++) {

[Sergey Ulanov, 2017/02/23 19:07:30]

for (auto& duplicator : duplicators_)

[Hzj_jie, 2017/02/23 20:52:11]

Done.

+    if (duplicators_[i].num_frames_captured() < min) {

[Sergey Ulanov, 2017/02/23 19:07:30]

min = std::min(min, duplicator.num_frames_captured());

[Hzj_jie, 2017/02/23 20:52:11]

Done.

+      min = duplicators_[i].num_frames_captured();
+    }
+  }
+
+  return min;
+}
+
 }  // namespace webrtc