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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 "remoting/host/video_scheduler.h" | 5 #include "remoting/host/video_scheduler.h" |
6 | 6 |
7 #include <algorithm> | 7 #include <algorithm> |
8 | 8 |
9 #include "base/bind.h" | 9 #include "base/bind.h" |
10 #include "base/callback.h" | 10 #include "base/callback.h" |
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25 #include "third_party/webrtc/modules/desktop_capture/screen_capturer.h" | 25 #include "third_party/webrtc/modules/desktop_capture/screen_capturer.h" |
26 | 26 |
27 namespace remoting { | 27 namespace remoting { |
28 | 28 |
29 // Maximum number of frames that can be processed simultaneously. | 29 // Maximum number of frames that can be processed simultaneously. |
30 // TODO(hclam): Move this value to CaptureScheduler. | 30 // TODO(hclam): Move this value to CaptureScheduler. |
31 static const int kMaxPendingFrames = 2; | 31 static const int kMaxPendingFrames = 2; |
32 | 32 |
33 // Interval between empty keep-alive frames. These frames are sent only | 33 // Interval between empty keep-alive frames. These frames are sent only |
34 // when there are no real video frames being sent. To prevent PseudoTCP from | 34 // when there are no real video frames being sent. To prevent PseudoTCP from |
35 // resetting congestion window this value must be smaller that then the minimum | 35 // resetting congestion window this value must be smaller than the minimum |
36 // RTO used in PseudoTCP, which is 250ms. | 36 // RTO used in PseudoTCP, which is 250ms. |
37 static const int kKeepAlivePacketIntervalMs = 200; | 37 static const int kKeepAlivePacketIntervalMs = 200; |
38 | 38 |
39 VideoScheduler::VideoScheduler( | 39 VideoScheduler::VideoScheduler( |
40 scoped_refptr<base::SingleThreadTaskRunner> capture_task_runner, | 40 scoped_refptr<base::SingleThreadTaskRunner> capture_task_runner, |
41 scoped_refptr<base::SingleThreadTaskRunner> encode_task_runner, | 41 scoped_refptr<base::SingleThreadTaskRunner> encode_task_runner, |
42 scoped_refptr<base::SingleThreadTaskRunner> network_task_runner, | 42 scoped_refptr<base::SingleThreadTaskRunner> network_task_runner, |
43 scoped_ptr<webrtc::ScreenCapturer> capturer, | 43 scoped_ptr<webrtc::ScreenCapturer> capturer, |
44 scoped_ptr<VideoEncoder> encoder, | 44 scoped_ptr<VideoEncoder> encoder, |
45 protocol::CursorShapeStub* cursor_stub, | 45 protocol::CursorShapeStub* cursor_stub, |
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357 frame.reset(); | 357 frame.reset(); |
358 | 358 |
359 scheduler_.RecordEncodeTime( | 359 scheduler_.RecordEncodeTime( |
360 base::TimeDelta::FromMilliseconds(packet->encode_time_ms())); | 360 base::TimeDelta::FromMilliseconds(packet->encode_time_ms())); |
361 network_task_runner_->PostTask( | 361 network_task_runner_->PostTask( |
362 FROM_HERE, base::Bind(&VideoScheduler::SendVideoPacket, this, | 362 FROM_HERE, base::Bind(&VideoScheduler::SendVideoPacket, this, |
363 base::Passed(&packet))); | 363 base::Passed(&packet))); |
364 } | 364 } |
365 | 365 |
366 } // namespace remoting | 366 } // namespace remoting |
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