98f53510b2
BUG=webrtc:5095 R=tommi@webrtc.org Review URL: https://codereview.webrtc.org/1413333002 . Cr-Commit-Position: refs/heads/master@{#10438}
45 lines
1.4 KiB
C++
45 lines
1.4 KiB
C++
/*
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* Copyright (c) 2013 The WebRTC project authors. All Rights Reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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#include "webrtc/modules/desktop_capture/screen_capture_frame_queue.h"
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#include <assert.h>
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#include <algorithm>
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#include "webrtc/modules/desktop_capture/desktop_frame.h"
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#include "webrtc/modules/desktop_capture/shared_desktop_frame.h"
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#include "webrtc/system_wrappers/include/logging.h"
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#include "webrtc/typedefs.h"
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namespace webrtc {
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ScreenCaptureFrameQueue::ScreenCaptureFrameQueue() : current_(0) {}
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ScreenCaptureFrameQueue::~ScreenCaptureFrameQueue() {}
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void ScreenCaptureFrameQueue::MoveToNextFrame() {
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current_ = (current_ + 1) % kQueueLength;
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// Verify that the frame is not shared, i.e. that consumer has released it
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// before attempting to capture again.
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assert(!frames_[current_].get() || !frames_[current_]->IsShared());
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}
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void ScreenCaptureFrameQueue::ReplaceCurrentFrame(DesktopFrame* frame) {
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frames_[current_].reset(SharedDesktopFrame::Wrap(frame));
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}
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void ScreenCaptureFrameQueue::Reset() {
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for (int i = 0; i < kQueueLength; ++i)
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frames_[i].reset();
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}
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} // namespace webrtc
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