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Unified Diff: webrtc/modules/desktop_capture/screen_capture_frame_queue.cc

Issue 1910203002: Revert of Modify ScreenCaptureFrameQueue into a template (Closed) Base URL: https://chromium.googlesource.com/external/webrtc.git@master
Patch Set: Created 4 years, 8 months ago
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Index: webrtc/modules/desktop_capture/screen_capture_frame_queue.cc
diff --git a/webrtc/modules/desktop_capture/screen_capture_frame_queue.cc b/webrtc/modules/desktop_capture/screen_capture_frame_queue.cc
new file mode 100644
index 0000000000000000000000000000000000000000..94d8a27b137600db17dda571b3f5366ec5d637c4
--- /dev/null
+++ b/webrtc/modules/desktop_capture/screen_capture_frame_queue.cc
@@ -0,0 +1,44 @@
+/*
+ * Copyright (c) 2013 The WebRTC project authors. All Rights Reserved.
+ *
+ * Use of this source code is governed by a BSD-style license
+ * that can be found in the LICENSE file in the root of the source
+ * tree. An additional intellectual property rights grant can be found
+ * in the file PATENTS. All contributing project authors may
+ * be found in the AUTHORS file in the root of the source tree.
+ */
+
+#include "webrtc/modules/desktop_capture/screen_capture_frame_queue.h"
+
+#include <assert.h>
+#include <algorithm>
+
+#include "webrtc/modules/desktop_capture/desktop_frame.h"
+#include "webrtc/modules/desktop_capture/shared_desktop_frame.h"
+#include "webrtc/system_wrappers/include/logging.h"
+#include "webrtc/typedefs.h"
+
+namespace webrtc {
+
+ScreenCaptureFrameQueue::ScreenCaptureFrameQueue() : current_(0) {}
+
+ScreenCaptureFrameQueue::~ScreenCaptureFrameQueue() {}
+
+void ScreenCaptureFrameQueue::MoveToNextFrame() {
+ current_ = (current_ + 1) % kQueueLength;
+
+ // Verify that the frame is not shared, i.e. that consumer has released it
+ // before attempting to capture again.
+ assert(!frames_[current_].get() || !frames_[current_]->IsShared());
+}
+
+void ScreenCaptureFrameQueue::ReplaceCurrentFrame(DesktopFrame* frame) {
+ frames_[current_].reset(SharedDesktopFrame::Wrap(frame));
+}
+
+void ScreenCaptureFrameQueue::Reset() {
+ for (int i = 0; i < kQueueLength; ++i)
+ frames_[i].reset();
+}
+
+} // namespace webrtc
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