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Side by Side Diff: remoting/host/screen_recorder.h

Issue 10870071: Renamed Encoder -> VideoEncoder. (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src
Patch Set: Addressed comments Created 8 years, 3 months ago
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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 #ifndef REMOTING_HOST_SCREEN_RECORDER_H_ 5 #ifndef REMOTING_HOST_SCREEN_RECORDER_H_
6 #define REMOTING_HOST_SCREEN_RECORDER_H_ 6 #define REMOTING_HOST_SCREEN_RECORDER_H_
7 7
8 #include <vector> 8 #include <vector>
9 9
10 #include "base/basictypes.h" 10 #include "base/basictypes.h"
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75 // if set to false. 75 // if set to false.
76 class ScreenRecorder : public base::RefCountedThreadSafe<ScreenRecorder> { 76 class ScreenRecorder : public base::RefCountedThreadSafe<ScreenRecorder> {
77 public: 77 public:
78 // Construct a ScreenRecorder. Message loops and threads are provided. 78 // Construct a ScreenRecorder. Message loops and threads are provided.
79 // This object does not own capturer but owns encoder. 79 // This object does not own capturer but owns encoder.
80 ScreenRecorder( 80 ScreenRecorder(
81 scoped_refptr<base::SingleThreadTaskRunner> capture_task_runner, 81 scoped_refptr<base::SingleThreadTaskRunner> capture_task_runner,
82 scoped_refptr<base::SingleThreadTaskRunner> encode_task_runner, 82 scoped_refptr<base::SingleThreadTaskRunner> encode_task_runner,
83 scoped_refptr<base::SingleThreadTaskRunner> network_task_runner, 83 scoped_refptr<base::SingleThreadTaskRunner> network_task_runner,
84 VideoFrameCapturer* capturer, 84 VideoFrameCapturer* capturer,
85 Encoder* encoder); 85 VideoEncoder* encoder);
86 86
87 // Start recording. 87 // Start recording.
88 void Start(); 88 void Start();
89 89
90 // Stop the recording session. |done_task| is executed when recording is fully 90 // Stop the recording session. |done_task| is executed when recording is fully
91 // stopped. This object cannot be used again after |task| is executed. 91 // stopped. This object cannot be used again after |task| is executed.
92 void Stop(const base::Closure& done_task); 92 void Stop(const base::Closure& done_task);
93 93
94 // Add a connection to this recording session. 94 // Add a connection to this recording session.
95 void AddConnection(protocol::ConnectionToClient* connection); 95 void AddConnection(protocol::ConnectionToClient* connection);
96 96
97 // Remove a connection from receiving screen updates. 97 // Remove a connection from receiving screen updates.
98 void RemoveConnection(protocol::ConnectionToClient* connection); 98 void RemoveConnection(protocol::ConnectionToClient* connection);
99 99
100 // Remove all connections. 100 // Remove all connections.
101 void RemoveAllConnections(); 101 void RemoveAllConnections();
102 102
103 // Update the sequence number for tracing performance. 103 // Update the sequence number for tracing performance.
104 void UpdateSequenceNumber(int64 sequence_number); 104 void UpdateSequenceNumber(int64 sequence_number);
105 105
106 private: 106 private:
107 friend class base::RefCountedThreadSafe<ScreenRecorder>; 107 friend class base::RefCountedThreadSafe<ScreenRecorder>;
108 virtual ~ScreenRecorder(); 108 virtual ~ScreenRecorder();
109 109
110 // Getters for capturer and encoder. 110 // Getters for capturer and encoder.
111 VideoFrameCapturer* capturer(); 111 VideoFrameCapturer* capturer();
112 Encoder* encoder(); 112 VideoEncoder* encoder();
113 113
114 bool is_recording(); 114 bool is_recording();
115 115
116 // Capturer thread ---------------------------------------------------------- 116 // Capturer thread ----------------------------------------------------------
117 117
118 void DoStart(); 118 void DoStart();
119 void DoSetMaxRate(double max_rate); 119 void DoSetMaxRate(double max_rate);
120 120
121 // Hepler method to schedule next capture using the current rate. 121 // Hepler method to schedule next capture using the current rate.
122 void StartCaptureTimer(); 122 void StartCaptureTimer();
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159 scoped_refptr<base::SingleThreadTaskRunner> capture_task_runner_; 159 scoped_refptr<base::SingleThreadTaskRunner> capture_task_runner_;
160 scoped_refptr<base::SingleThreadTaskRunner> encode_task_runner_; 160 scoped_refptr<base::SingleThreadTaskRunner> encode_task_runner_;
161 scoped_refptr<base::SingleThreadTaskRunner> network_task_runner_; 161 scoped_refptr<base::SingleThreadTaskRunner> network_task_runner_;
162 162
163 // Reference to the capturer. This member is always accessed on the capture 163 // Reference to the capturer. This member is always accessed on the capture
164 // thread. 164 // thread.
165 VideoFrameCapturer* capturer_; 165 VideoFrameCapturer* capturer_;
166 166
167 // Reference to the encoder. This member is always accessed on the encode 167 // Reference to the encoder. This member is always accessed on the encode
168 // thread. 168 // thread.
169 scoped_ptr<Encoder> encoder_; 169 scoped_ptr<VideoEncoder> encoder_;
170 170
171 // A list of clients connected to this hosts. 171 // A list of clients connected to this hosts.
172 // This member is always accessed on the network thread. 172 // This member is always accessed on the network thread.
173 typedef std::vector<protocol::ConnectionToClient*> ConnectionToClientList; 173 typedef std::vector<protocol::ConnectionToClient*> ConnectionToClientList;
174 ConnectionToClientList connections_; 174 ConnectionToClientList connections_;
175 175
176 // Timer that calls DoCapture. Set to NULL when not recording. 176 // Timer that calls DoCapture. Set to NULL when not recording.
177 scoped_ptr<base::OneShotTimer<ScreenRecorder> > capture_timer_; 177 scoped_ptr<base::OneShotTimer<ScreenRecorder> > capture_timer_;
178 178
179 // Per-thread flags that are set when the ScreenRecorder is 179 // Per-thread flags that are set when the ScreenRecorder is
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202 202
203 // An object to schedule capturing. 203 // An object to schedule capturing.
204 CaptureScheduler scheduler_; 204 CaptureScheduler scheduler_;
205 205
206 DISALLOW_COPY_AND_ASSIGN(ScreenRecorder); 206 DISALLOW_COPY_AND_ASSIGN(ScreenRecorder);
207 }; 207 };
208 208
209 } // namespace remoting 209 } // namespace remoting
210 210
211 #endif // REMOTING_HOST_SCREEN_RECORDER_H_ 211 #endif // REMOTING_HOST_SCREEN_RECORDER_H_
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