2 * Copyright (c) 2013 The WebRTC project authors. All Rights Reserved.
4 * Use of this source code is governed by a BSD-style license
5 * that can be found in the LICENSE file in the root of the source
6 * tree. An additional intellectual property rights grant can be found
7 * in the file PATENTS. All contributing project authors may
8 * be found in the AUTHORS file in the root of the source tree.
11 #include "webrtc/modules/desktop_capture/screen_capture_frame_queue.h"
16 #include "webrtc/modules/desktop_capture/desktop_frame.h"
17 #include "webrtc/modules/desktop_capture/shared_desktop_frame.h"
18 #include "webrtc/system_wrappers/interface/logging.h"
19 #include "webrtc/typedefs.h"
23 ScreenCaptureFrameQueue::ScreenCaptureFrameQueue() : current_(0) {}
25 ScreenCaptureFrameQueue::~ScreenCaptureFrameQueue() {}
27 void ScreenCaptureFrameQueue::MoveToNextFrame() {
28 current_ = (current_ + 1) % kQueueLength;
30 // Verify that the frame is not shared, i.e. that consumer has released it
31 // before attempting to capture again.
32 assert(!frames_[current_].get() || !frames_[current_]->IsShared());
35 void ScreenCaptureFrameQueue::ReplaceCurrentFrame(DesktopFrame* frame) {
36 frames_[current_].reset(SharedDesktopFrame::Wrap(frame));
39 void ScreenCaptureFrameQueue::Reset() {
40 for (int i = 0; i < kQueueLength; ++i)