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Side by Side Diff: content/browser/speech/speech_recognizer.h

Issue 6615020: Stream speech audio to server as it gets recorded, instead of waiting until end of recording. (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src
Patch Set: . Created 9 years, 9 months ago
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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 CONTENT_BROWSER_SPEECH_SPEECH_RECOGNIZER_H_ 5 #ifndef CONTENT_BROWSER_SPEECH_SPEECH_RECOGNIZER_H_
6 #define CONTENT_BROWSER_SPEECH_SPEECH_RECOGNIZER_H_ 6 #define CONTENT_BROWSER_SPEECH_SPEECH_RECOGNIZER_H_
7 7
8 #include <list> 8 #include <list>
9 #include <string> 9 #include <string>
10 #include <utility> 10 #include <utility>
(...skipping 96 matching lines...) Expand 10 before | Expand all | Expand 10 after
107 const SpeechInputResultArray& result); 107 const SpeechInputResultArray& result);
108 108
109 static const int kAudioSampleRate; 109 static const int kAudioSampleRate;
110 static const int kAudioPacketIntervalMs; // Duration of each audio packet. 110 static const int kAudioPacketIntervalMs; // Duration of each audio packet.
111 static const int kNumAudioChannels; 111 static const int kNumAudioChannels;
112 static const int kNumBitsPerAudioSample; 112 static const int kNumBitsPerAudioSample;
113 static const int kNoSpeechTimeoutSec; 113 static const int kNoSpeechTimeoutSec;
114 static const int kEndpointerEstimationTimeMs; 114 static const int kEndpointerEstimationTimeMs;
115 115
116 private: 116 private:
117 void ReleaseAudioBuffers();
118 void InformErrorAndCancelRecognition(ErrorCode error); 117 void InformErrorAndCancelRecognition(ErrorCode error);
119 void SendRecordedAudioToServer(); 118 void SendRecordedAudioToServer();
120 119
121 void HandleOnError(int error_code); // Handles OnError in the IO thread. 120 void HandleOnError(int error_code); // Handles OnError in the IO thread.
122 121
123 // Handles OnData in the IO thread. Takes ownership of |data|. 122 // Handles OnData in the IO thread. Takes ownership of |data|.
124 void HandleOnData(std::string* data); 123 void HandleOnData(std::string* data);
125 124
126 Delegate* delegate_; 125 Delegate* delegate_;
127 int caller_id_; 126 int caller_id_;
(...skipping 15 matching lines...) Expand all
143 142
144 // This typedef is to workaround the issue with certain versions of 143 // This typedef is to workaround the issue with certain versions of
145 // Visual Studio where it gets confused between multiple Delegate 144 // Visual Studio where it gets confused between multiple Delegate
146 // classes and gives a C2500 error. (I saw this error on the try bots - 145 // classes and gives a C2500 error. (I saw this error on the try bots -
147 // the workaround was not needed for my machine). 146 // the workaround was not needed for my machine).
148 typedef SpeechRecognizer::Delegate SpeechRecognizerDelegate; 147 typedef SpeechRecognizer::Delegate SpeechRecognizerDelegate;
149 148
150 } // namespace speech_input 149 } // namespace speech_input
151 150
152 #endif // CONTENT_BROWSER_SPEECH_SPEECH_RECOGNIZER_H_ 151 #endif // CONTENT_BROWSER_SPEECH_SPEECH_RECOGNIZER_H_
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