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| 1 // Copyright 2015 The Chromium Authors. All rights reserved. | 1 // Copyright 2015 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 #ifndef REMOTING_PROTOCOL_CAPTURE_SCHEDULER_H_ | 5 #ifndef REMOTING_PROTOCOL_CAPTURE_SCHEDULER_H_ |
| 6 #define REMOTING_PROTOCOL_CAPTURE_SCHEDULER_H_ | 6 #define REMOTING_PROTOCOL_CAPTURE_SCHEDULER_H_ |
| 7 | 7 |
| 8 #include <stdint.h> | 8 #include <stdint.h> |
| 9 | 9 |
| 10 #include "base/callback.h" | 10 #include "base/callback.h" |
| 11 #include "base/macros.h" | 11 #include "base/macros.h" |
| 12 #include "base/threading/thread_checker.h" | 12 #include "base/threading/thread_checker.h" |
| 13 #include "base/time/tick_clock.h" | 13 #include "base/time/tick_clock.h" |
| 14 #include "base/time/time.h" | 14 #include "base/time/time.h" |
| 15 #include "base/timer/timer.h" | 15 #include "base/timer/timer.h" |
| 16 #include "remoting/base/running_average.h" | 16 #include "remoting/base/running_samples.h" |
| 17 #include "remoting/protocol/video_feedback_stub.h" | 17 #include "remoting/protocol/video_feedback_stub.h" |
| 18 | 18 |
| 19 namespace remoting { | 19 namespace remoting { |
| 20 | 20 |
| 21 class VideoPacket; | 21 class VideoPacket; |
| 22 | 22 |
| 23 namespace protocol { | 23 namespace protocol { |
| 24 | 24 |
| 25 // CaptureScheduler is used by the VideoFramePump to schedule frame capturer, | 25 // CaptureScheduler is used by the VideoFramePump to schedule frame capturer, |
| 26 // taking into account capture delay, encoder delay, network bandwidth, etc. | 26 // taking into account capture delay, encoder delay, network bandwidth, etc. |
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| 81 scoped_ptr<base::TickClock> tick_clock_; | 81 scoped_ptr<base::TickClock> tick_clock_; |
| 82 | 82 |
| 83 // Timer used to schedule CaptureNextFrame(). | 83 // Timer used to schedule CaptureNextFrame(). |
| 84 scoped_ptr<base::Timer> capture_timer_; | 84 scoped_ptr<base::Timer> capture_timer_; |
| 85 | 85 |
| 86 // Minimum interval between frames that determines maximum possible framerate. | 86 // Minimum interval between frames that determines maximum possible framerate. |
| 87 base::TimeDelta minimum_interval_; | 87 base::TimeDelta minimum_interval_; |
| 88 | 88 |
| 89 int num_of_processors_; | 89 int num_of_processors_; |
| 90 | 90 |
| 91 RunningAverage capture_time_; | 91 RunningSamples capture_time_; |
| 92 RunningAverage encode_time_; | 92 RunningSamples encode_time_; |
| 93 | 93 |
| 94 // Number of frames pending encoding. | 94 // Number of frames pending encoding. |
| 95 int num_encoding_frames_; | 95 int num_encoding_frames_; |
| 96 | 96 |
| 97 // Number of outgoing frames for which we haven't received an acknowledgment. | 97 // Number of outgoing frames for which we haven't received an acknowledgment. |
| 98 int num_unacknowledged_frames_; | 98 int num_unacknowledged_frames_; |
| 99 | 99 |
| 100 // Set to true when capture is pending. | 100 // Set to true when capture is pending. |
| 101 bool capture_pending_; | 101 bool capture_pending_; |
| 102 | 102 |
| 103 // Time at which the last capture started. Used to schedule |capture_timer_|. | 103 // Time at which the last capture started. Used to schedule |capture_timer_|. |
| 104 base::TimeTicks last_capture_started_time_; | 104 base::TimeTicks last_capture_started_time_; |
| 105 | 105 |
| 106 bool is_paused_; | 106 bool is_paused_; |
| 107 | 107 |
| 108 // Frame ID to be assigned to the next outgoing video frame. | 108 // Frame ID to be assigned to the next outgoing video frame. |
| 109 uint32_t next_frame_id_; | 109 uint32_t next_frame_id_; |
| 110 | 110 |
| 111 base::ThreadChecker thread_checker_; | 111 base::ThreadChecker thread_checker_; |
| 112 | 112 |
| 113 DISALLOW_COPY_AND_ASSIGN(CaptureScheduler); | 113 DISALLOW_COPY_AND_ASSIGN(CaptureScheduler); |
| 114 }; | 114 }; |
| 115 | 115 |
| 116 } // namespace protocol | 116 } // namespace protocol |
| 117 } // namespace remoting | 117 } // namespace remoting |
| 118 | 118 |
| 119 #endif // REMOTING_PROTOCOL_CAPTURE_SCHEDULER_H_ | 119 #endif // REMOTING_PROTOCOL_CAPTURE_SCHEDULER_H_ |
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