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| 1 // Copyright (c) 2010 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2010 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_RECORD_SESSION_H_ | 5 #ifndef REMOTING_HOST_RECORD_SESSION_H_ |
| 6 #define REMOTING_HOST_RECORD_SESSION_H_ | 6 #define REMOTING_HOST_RECORD_SESSION_H_ |
| 7 | 7 |
| 8 #include <vector> | 8 #include <vector> |
| 9 | 9 |
| 10 #include "base/basictypes.h" | 10 #include "base/basictypes.h" |
| 11 #include "base/message_loop.h" | 11 #include "base/message_loop.h" |
| 12 #include "base/ref_counted.h" | 12 #include "base/ref_counted.h" |
| 13 #include "base/scoped_ptr.h" | 13 #include "base/scoped_ptr.h" |
| 14 #include "base/time.h" | 14 #include "base/time.h" |
| 15 #include "remoting/base/encoder.h" |
| 15 #include "remoting/base/protocol/chromotocol.pb.h" | 16 #include "remoting/base/protocol/chromotocol.pb.h" |
| 16 #include "remoting/host/capturer.h" | 17 #include "remoting/host/capturer.h" |
| 17 #include "remoting/host/encoder.h" | |
| 18 | 18 |
| 19 namespace media { | 19 namespace media { |
| 20 | 20 |
| 21 class DataBuffer; | 21 class DataBuffer; |
| 22 | 22 |
| 23 } // namespace media | 23 } // namespace media |
| 24 | 24 |
| 25 namespace remoting { | 25 namespace remoting { |
| 26 | 26 |
| 27 class Encoder; | 27 class CaptureData; |
| 28 class ClientConnection; | 28 class ClientConnection; |
| 29 | 29 |
| 30 // A class for controlling and coordinate Capturer, Encoder | 30 // A class for controlling and coordinate Capturer, Encoder |
| 31 // and NetworkChannel in a record session. | 31 // and NetworkChannel in a record session. |
| 32 // | 32 // |
| 33 // THREADING | 33 // THREADING |
| 34 // | 34 // |
| 35 // This class works on three threads, namely capture, encode and network | 35 // This class works on three threads, namely capture, encode and network |
| 36 // thread. The main function of this class is to coordinate and schedule | 36 // thread. The main function of this class is to coordinate and schedule |
| 37 // capture, encode and transmission of data on different threads. | 37 // capture, encode and transmission of data on different threads. |
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| 108 void DoStart(); | 108 void DoStart(); |
| 109 void DoPause(); | 109 void DoPause(); |
| 110 | 110 |
| 111 void DoSetRate(double rate); | 111 void DoSetRate(double rate); |
| 112 void DoSetMaxRate(double max_rate); | 112 void DoSetMaxRate(double max_rate); |
| 113 | 113 |
| 114 // Hepler method to schedule next capture using the current rate. | 114 // Hepler method to schedule next capture using the current rate. |
| 115 void ScheduleNextCapture(); | 115 void ScheduleNextCapture(); |
| 116 | 116 |
| 117 void DoCapture(); | 117 void DoCapture(); |
| 118 void CaptureDoneCallback(scoped_refptr<Capturer::CaptureData> capture_data); | 118 void CaptureDoneCallback(scoped_refptr<CaptureData> capture_data); |
| 119 void DoFinishEncode(); | 119 void DoFinishEncode(); |
| 120 | 120 |
| 121 void DoGetInitInfo(scoped_refptr<ClientConnection> client); | 121 void DoGetInitInfo(scoped_refptr<ClientConnection> client); |
| 122 | 122 |
| 123 // Network thread ----------------------------------------------------------- | 123 // Network thread ----------------------------------------------------------- |
| 124 | 124 |
| 125 void DoStartRateControl(); | 125 void DoStartRateControl(); |
| 126 void DoPauseRateControl(); | 126 void DoPauseRateControl(); |
| 127 | 127 |
| 128 // Helper method to schedule next rate regulation task. | 128 // Helper method to schedule next rate regulation task. |
| 129 void ScheduleNextRateControl(); | 129 void ScheduleNextRateControl(); |
| 130 | 130 |
| 131 void DoRateControl(); | 131 void DoRateControl(); |
| 132 | 132 |
| 133 // DoSendUpdate takes ownership of header and is responsible for deleting it. | 133 // DoSendUpdate takes ownership of header and is responsible for deleting it. |
| 134 void DoSendUpdate(HostMessage* message, | 134 void DoSendUpdate(HostMessage* message, |
| 135 Encoder::EncodingState state); | 135 Encoder::EncodingState state); |
| 136 void DoSendInit(scoped_refptr<ClientConnection> client, | 136 void DoSendInit(scoped_refptr<ClientConnection> client, |
| 137 int width, int height); | 137 int width, int height); |
| 138 | 138 |
| 139 void DoAddClient(scoped_refptr<ClientConnection> client); | 139 void DoAddClient(scoped_refptr<ClientConnection> client); |
| 140 void DoRemoveClient(scoped_refptr<ClientConnection> client); | 140 void DoRemoveClient(scoped_refptr<ClientConnection> client); |
| 141 void DoRemoveAllClients(); | 141 void DoRemoveAllClients(); |
| 142 | 142 |
| 143 // Encoder thread ----------------------------------------------------------- | 143 // Encoder thread ----------------------------------------------------------- |
| 144 | 144 |
| 145 void DoEncode(scoped_refptr<Capturer::CaptureData> capture_data); | 145 void DoEncode(scoped_refptr<CaptureData> capture_data); |
| 146 | 146 |
| 147 // EncodeDataAvailableTask takes ownership of header and is responsible for | 147 // EncodeDataAvailableTask takes ownership of header and is responsible for |
| 148 // deleting it. | 148 // deleting it. |
| 149 void EncodeDataAvailableTask(HostMessage* message, | 149 void EncodeDataAvailableTask(HostMessage* message, |
| 150 Encoder::EncodingState state); | 150 Encoder::EncodingState state); |
| 151 | 151 |
| 152 // Message loops used by this class. | 152 // Message loops used by this class. |
| 153 MessageLoop* capture_loop_; | 153 MessageLoop* capture_loop_; |
| 154 MessageLoop* encode_loop_; | 154 MessageLoop* encode_loop_; |
| 155 MessageLoop* network_loop_; | 155 MessageLoop* network_loop_; |
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| 182 | 182 |
| 183 // The following member is accessed on the network thread. | 183 // The following member is accessed on the network thread. |
| 184 bool rate_control_started_; | 184 bool rate_control_started_; |
| 185 | 185 |
| 186 DISALLOW_COPY_AND_ASSIGN(SessionManager); | 186 DISALLOW_COPY_AND_ASSIGN(SessionManager); |
| 187 }; | 187 }; |
| 188 | 188 |
| 189 } // namespace remoting | 189 } // namespace remoting |
| 190 | 190 |
| 191 #endif // REMOTING_HOST_RECORD_SESSION_H_ | 191 #endif // REMOTING_HOST_RECORD_SESSION_H_ |
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