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

Issue 1549113002: Switch to standard integer types in content/browser/. (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: rebase Created 4 years, 12 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 CONTENT_BROWSER_SPEECH_ENDPOINTER_ENDPOINTER_H_ 5 #ifndef CONTENT_BROWSER_SPEECH_ENDPOINTER_ENDPOINTER_H_
6 #define CONTENT_BROWSER_SPEECH_ENDPOINTER_ENDPOINTER_H_ 6 #define CONTENT_BROWSER_SPEECH_ENDPOINTER_ENDPOINTER_H_
7 7
8 #include "base/basictypes.h" 8 #include <stdint.h>
9
9 #include "content/browser/speech/endpointer/energy_endpointer.h" 10 #include "content/browser/speech/endpointer/energy_endpointer.h"
10 #include "content/common/content_export.h" 11 #include "content/common/content_export.h"
11 12
12 class EpStatus; 13 class EpStatus;
13 14
14 namespace content { 15 namespace content {
15 16
16 class AudioChunk; 17 class AudioChunk;
17 18
18 // A simple interface to the underlying energy-endpointer implementation, this 19 // A simple interface to the underlying energy-endpointer implementation, this
(...skipping 40 matching lines...) Expand 10 before | Expand all | Expand 10 after
59 60
60 // Start user input. This should be called when the user indicates start of 61 // Start user input. This should be called when the user indicates start of
61 // input, e.g. by pressing a button. 62 // input, e.g. by pressing a button.
62 void SetUserInputMode(); 63 void SetUserInputMode();
63 64
64 // Process a segment of audio, which may be more than one frame. 65 // Process a segment of audio, which may be more than one frame.
65 // The status of the last frame will be returned. 66 // The status of the last frame will be returned.
66 EpStatus ProcessAudio(const AudioChunk& raw_audio, float* rms_out); 67 EpStatus ProcessAudio(const AudioChunk& raw_audio, float* rms_out);
67 68
68 // Get the status of the endpointer. 69 // Get the status of the endpointer.
69 EpStatus Status(int64 *time_us); 70 EpStatus Status(int64_t* time_us);
70 71
71 // Returns true if the endpointer detected reasonable audio levels above 72 // Returns true if the endpointer detected reasonable audio levels above
72 // background noise which could be user speech, false if not. 73 // background noise which could be user speech, false if not.
73 bool DidStartReceivingSpeech() const { 74 bool DidStartReceivingSpeech() const {
74 return speech_previously_detected_; 75 return speech_previously_detected_;
75 } 76 }
76 77
77 bool IsEstimatingEnvironment() const { 78 bool IsEstimatingEnvironment() const {
78 return energy_endpointer_.estimating_environment(); 79 return energy_endpointer_.estimating_environment();
79 } 80 }
80 81
81 void set_speech_input_complete_silence_length(int64 time_us) { 82 void set_speech_input_complete_silence_length(int64_t time_us) {
82 speech_input_complete_silence_length_us_ = time_us; 83 speech_input_complete_silence_length_us_ = time_us;
83 } 84 }
84 85
85 void set_long_speech_input_complete_silence_length(int64 time_us) { 86 void set_long_speech_input_complete_silence_length(int64_t time_us) {
86 long_speech_input_complete_silence_length_us_ = time_us; 87 long_speech_input_complete_silence_length_us_ = time_us;
87 } 88 }
88 89
89 void set_speech_input_possibly_complete_silence_length(int64 time_us) { 90 void set_speech_input_possibly_complete_silence_length(int64_t time_us) {
90 speech_input_possibly_complete_silence_length_us_ = time_us; 91 speech_input_possibly_complete_silence_length_us_ = time_us;
91 } 92 }
92 93
93 void set_long_speech_length(int64 time_us) { 94 void set_long_speech_length(int64_t time_us) {
94 long_speech_length_us_ = time_us; 95 long_speech_length_us_ = time_us;
95 } 96 }
96 97
97 bool speech_input_complete() const { 98 bool speech_input_complete() const {
98 return speech_input_complete_; 99 return speech_input_complete_;
99 } 100 }
100 101
101 // RMS background noise level in dB. 102 // RMS background noise level in dB.
102 float NoiseLevelDb() const { return energy_endpointer_.GetNoiseLevelDb(); } 103 float NoiseLevelDb() const { return energy_endpointer_.GetNoiseLevelDb(); }
103 104
104 private: 105 private:
105 // Reset internal states. Helper method common to initial input utterance 106 // Reset internal states. Helper method common to initial input utterance
106 // and following input utternaces. 107 // and following input utternaces.
107 void Reset(); 108 void Reset();
108 109
109 // Minimum allowable length of speech input. 110 // Minimum allowable length of speech input.
110 int64 speech_input_minimum_length_us_; 111 int64_t speech_input_minimum_length_us_;
111 112
112 // The speechInputPossiblyComplete event signals that silence/noise has been 113 // The speechInputPossiblyComplete event signals that silence/noise has been
113 // detected for a *short* amount of time after some speech has been detected. 114 // detected for a *short* amount of time after some speech has been detected.
114 // This proporty specifies the time period. 115 // This proporty specifies the time period.
115 int64 speech_input_possibly_complete_silence_length_us_; 116 int64_t speech_input_possibly_complete_silence_length_us_;
116 117
117 // The speechInputComplete event signals that silence/noise has been 118 // The speechInputComplete event signals that silence/noise has been
118 // detected for a *long* amount of time after some speech has been detected. 119 // detected for a *long* amount of time after some speech has been detected.
119 // This property specifies the time period. 120 // This property specifies the time period.
120 int64 speech_input_complete_silence_length_us_; 121 int64_t speech_input_complete_silence_length_us_;
121 122
122 // Same as above, this specifies the required silence period after speech 123 // Same as above, this specifies the required silence period after speech
123 // detection. This period is used instead of 124 // detection. This period is used instead of
124 // speech_input_complete_silence_length_ when the utterance is longer than 125 // speech_input_complete_silence_length_ when the utterance is longer than
125 // long_speech_length_. This parameter is optional. 126 // long_speech_length_. This parameter is optional.
126 int64 long_speech_input_complete_silence_length_us_; 127 int64_t long_speech_input_complete_silence_length_us_;
127 128
128 // The period of time after which the endpointer should consider 129 // The period of time after which the endpointer should consider
129 // long_speech_input_complete_silence_length_ as a valid silence period 130 // long_speech_input_complete_silence_length_ as a valid silence period
130 // instead of speech_input_complete_silence_length_. This parameter is 131 // instead of speech_input_complete_silence_length_. This parameter is
131 // optional. 132 // optional.
132 int64 long_speech_length_us_; 133 int64_t long_speech_length_us_;
133 134
134 // First speech onset time, used in determination of speech complete timeout. 135 // First speech onset time, used in determination of speech complete timeout.
135 int64 speech_start_time_us_; 136 int64_t speech_start_time_us_;
136 137
137 // Most recent end time, used in determination of speech complete timeout. 138 // Most recent end time, used in determination of speech complete timeout.
138 int64 speech_end_time_us_; 139 int64_t speech_end_time_us_;
139 140
140 int64 audio_frame_time_us_; 141 int64_t audio_frame_time_us_;
141 EpStatus old_ep_status_; 142 EpStatus old_ep_status_;
142 bool waiting_for_speech_possibly_complete_timeout_; 143 bool waiting_for_speech_possibly_complete_timeout_;
143 bool waiting_for_speech_complete_timeout_; 144 bool waiting_for_speech_complete_timeout_;
144 bool speech_previously_detected_; 145 bool speech_previously_detected_;
145 bool speech_input_complete_; 146 bool speech_input_complete_;
146 EnergyEndpointer energy_endpointer_; 147 EnergyEndpointer energy_endpointer_;
147 int sample_rate_; 148 int sample_rate_;
148 int32 frame_size_; 149 int32_t frame_size_;
149 }; 150 };
150 151
151 } // namespace content 152 } // namespace content
152 153
153 #endif // CONTENT_BROWSER_SPEECH_ENDPOINTER_ENDPOINTER_H_ 154 #endif // CONTENT_BROWSER_SPEECH_ENDPOINTER_ENDPOINTER_H_
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