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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #include "media/video/capture/screen/screen_capture_frame_queue.h" | 5 #include "media/video/capture/screen/screen_capture_frame_queue.h" |
6 | 6 |
7 #include <algorithm> | 7 #include <algorithm> |
8 | 8 |
9 #include "base/basictypes.h" | 9 #include "base/basictypes.h" |
10 #include "media/video/capture/screen/screen_capture_frame.h" | 10 #include "base/logging.h" |
11 #include "base/threading/non_thread_safe.h" | |
12 #include "media/video/capture/screen/shared_desktop_frame.h" | |
13 #include "third_party/webrtc/modules/desktop_capture/desktop_frame.h" | |
11 | 14 |
12 namespace media { | 15 namespace media { |
13 | 16 |
14 ScreenCaptureFrameQueue::ScreenCaptureFrameQueue() | 17 ScreenCaptureFrameQueue::ScreenCaptureFrameQueue() : current_(0) {} |
15 : current_(0), | 18 ScreenCaptureFrameQueue::~ScreenCaptureFrameQueue() {} |
alexeypa (please no reviews)
2013/05/13 17:02:00
nit: Add a black line between the constructor and
Sergey Ulanov
2013/05/13 21:16:52
Done.
| |
16 previous_(NULL) { | |
17 SetAllFramesNeedUpdate(); | |
18 } | |
19 | 19 |
20 ScreenCaptureFrameQueue::~ScreenCaptureFrameQueue() { | 20 void ScreenCaptureFrameQueue::MoveToNextFrame() { |
21 } | 21 current_ = (current_ + 1) % kQueueLength; |
22 | 22 |
23 void ScreenCaptureFrameQueue::DoneWithCurrentFrame() { | 23 // Verify that the frame is not shared, i.e. that consumer has released it |
24 previous_ = current_frame(); | 24 // before attempting to capture again. |
25 current_ = (current_ + 1) % kQueueLength; | 25 if (frames_[current_]) |
26 DCHECK(frames_[current_]->IsNotShared()); | |
alexeypa (please no reviews)
2013/05/13 17:02:00
nit: DCHECK(!frames_[current_] || frames_[current_
Sergey Ulanov
2013/05/13 21:16:52
Done.
| |
26 } | 27 } |
27 | 28 |
28 void ScreenCaptureFrameQueue::ReplaceCurrentFrame( | 29 void ScreenCaptureFrameQueue::ReplaceCurrentFrame( |
29 scoped_ptr<ScreenCaptureFrame> frame) { | 30 scoped_ptr<webrtc::DesktopFrame> frame) { |
30 frames_[current_] = frame.Pass(); | 31 frames_[current_].reset(SharedDesktopFrame::Wrap(frame.release())); |
31 needs_update_[current_] = false; | |
32 } | 32 } |
33 | 33 |
34 void ScreenCaptureFrameQueue::SetAllFramesNeedUpdate() { | 34 void ScreenCaptureFrameQueue::Reset() { |
35 std::fill(needs_update_, needs_update_ + arraysize(needs_update_), true); | 35 for (int i = 0; i < kQueueLength; ++i) |
36 previous_ = NULL; | 36 frames_[i].reset(); |
37 } | 37 } |
38 | 38 |
39 } // namespace media | 39 } // namespace media |
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