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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" |
| 11 #include "base/logging.h" | 11 #include "base/logging.h" |
| 12 #include "base/memory/scoped_ptr.h" | 12 #include "base/memory/scoped_ptr.h" |
| 13 #include "base/message_loop/message_loop_proxy.h" | 13 #include "base/message_loop/message_loop_proxy.h" |
| 14 #include "base/stl_util.h" | 14 #include "base/stl_util.h" |
| 15 #include "base/sys_info.h" | 15 #include "base/sys_info.h" |
| 16 #include "base/time/time.h" | 16 #include "base/time/time.h" |
| 17 #include "remoting/proto/control.pb.h" | 17 #include "remoting/proto/control.pb.h" |
| 18 #include "remoting/proto/internal.pb.h" | 18 #include "remoting/proto/internal.pb.h" |
| 19 #include "remoting/proto/video.pb.h" | 19 #include "remoting/proto/video.pb.h" |
| 20 #include "remoting/protocol/cursor_shape_stub.h" | 20 #include "remoting/protocol/cursor_shape_stub.h" |
| 21 #include "remoting/protocol/message_decoder.h" | 21 #include "remoting/protocol/message_decoder.h" |
| 22 #include "remoting/protocol/video_stub.h" | 22 #include "remoting/protocol/video_stub.h" |
| 23 #include "third_party/webrtc/modules/desktop_capture/desktop_capturer.h" |
| 23 #include "third_party/webrtc/modules/desktop_capture/desktop_frame.h" | 24 #include "third_party/webrtc/modules/desktop_capture/desktop_frame.h" |
| 24 #include "third_party/webrtc/modules/desktop_capture/mouse_cursor.h" | 25 #include "third_party/webrtc/modules/desktop_capture/mouse_cursor.h" |
| 25 #include "third_party/webrtc/modules/desktop_capture/mouse_cursor_shape.h" | 26 #include "third_party/webrtc/modules/desktop_capture/mouse_cursor_shape.h" |
| 26 #include "third_party/webrtc/modules/desktop_capture/screen_capturer.h" | |
| 27 | 27 |
| 28 namespace remoting { | 28 namespace remoting { |
| 29 | 29 |
| 30 // Maximum number of frames that can be processed simultaneously. | 30 // Maximum number of frames that can be processed simultaneously. |
| 31 // TODO(hclam): Move this value to CaptureScheduler. | 31 // TODO(hclam): Move this value to CaptureScheduler. |
| 32 static const int kMaxPendingFrames = 2; | 32 static const int kMaxPendingFrames = 2; |
| 33 | 33 |
| 34 // Interval between empty keep-alive frames. These frames are sent only | 34 // Interval between empty keep-alive frames. These frames are sent only |
| 35 // when there are no real video frames being sent. To prevent PseudoTCP from | 35 // when there are no real video frames being sent. To prevent PseudoTCP from |
| 36 // resetting congestion window this value must be smaller than the minimum | 36 // resetting congestion window this value must be smaller than the minimum |
| 37 // RTO used in PseudoTCP, which is 250ms. | 37 // RTO used in PseudoTCP, which is 250ms. |
| 38 static const int kKeepAlivePacketIntervalMs = 200; | 38 static const int kKeepAlivePacketIntervalMs = 200; |
| 39 | 39 |
| 40 static bool g_enable_timestamps = false; | 40 static bool g_enable_timestamps = false; |
| 41 | 41 |
| 42 // static | 42 // static |
| 43 void VideoScheduler::EnableTimestampsForTests() { | 43 void VideoScheduler::EnableTimestampsForTests() { |
| 44 g_enable_timestamps = true; | 44 g_enable_timestamps = true; |
| 45 } | 45 } |
| 46 | 46 |
| 47 VideoScheduler::VideoScheduler( | 47 VideoScheduler::VideoScheduler( |
| 48 scoped_refptr<base::SingleThreadTaskRunner> capture_task_runner, | 48 scoped_refptr<base::SingleThreadTaskRunner> capture_task_runner, |
| 49 scoped_refptr<base::SingleThreadTaskRunner> encode_task_runner, | 49 scoped_refptr<base::SingleThreadTaskRunner> encode_task_runner, |
| 50 scoped_refptr<base::SingleThreadTaskRunner> network_task_runner, | 50 scoped_refptr<base::SingleThreadTaskRunner> network_task_runner, |
| 51 scoped_ptr<webrtc::ScreenCapturer> capturer, | 51 scoped_ptr<webrtc::DesktopCapturer> capturer, |
| 52 scoped_ptr<webrtc::MouseCursorMonitor> mouse_cursor_monitor, | 52 scoped_ptr<webrtc::MouseCursorMonitor> mouse_cursor_monitor, |
| 53 scoped_ptr<VideoEncoder> encoder, | 53 scoped_ptr<VideoEncoder> encoder, |
| 54 protocol::CursorShapeStub* cursor_stub, | 54 protocol::CursorShapeStub* cursor_stub, |
| 55 protocol::VideoStub* video_stub) | 55 protocol::VideoStub* video_stub) |
| 56 : capture_task_runner_(capture_task_runner), | 56 : capture_task_runner_(capture_task_runner), |
| 57 encode_task_runner_(encode_task_runner), | 57 encode_task_runner_(encode_task_runner), |
| 58 network_task_runner_(network_task_runner), | 58 network_task_runner_(network_task_runner), |
| 59 capturer_(capturer.Pass()), | 59 capturer_(capturer.Pass()), |
| 60 mouse_cursor_monitor_(mouse_cursor_monitor.Pass()), | 60 mouse_cursor_monitor_(mouse_cursor_monitor.Pass()), |
| 61 encoder_(encoder.Pass()), | 61 encoder_(encoder.Pass()), |
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| 395 frame.reset(); | 395 frame.reset(); |
| 396 | 396 |
| 397 scheduler_.RecordEncodeTime( | 397 scheduler_.RecordEncodeTime( |
| 398 base::TimeDelta::FromMilliseconds(packet->encode_time_ms())); | 398 base::TimeDelta::FromMilliseconds(packet->encode_time_ms())); |
| 399 network_task_runner_->PostTask( | 399 network_task_runner_->PostTask( |
| 400 FROM_HERE, base::Bind(&VideoScheduler::SendVideoPacket, this, | 400 FROM_HERE, base::Bind(&VideoScheduler::SendVideoPacket, this, |
| 401 base::Passed(&packet))); | 401 base::Passed(&packet))); |
| 402 } | 402 } |
| 403 | 403 |
| 404 } // namespace remoting | 404 } // namespace remoting |
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