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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 #include "content/browser/speech/audio_buffer.h" | 5 #include "content/browser/speech/audio_buffer.h" |
6 #include "content/browser/speech/endpointer/endpointer.h" | 6 #include "content/browser/speech/endpointer/endpointer.h" |
7 #include "testing/gtest/include/gtest/gtest.h" | 7 #include "testing/gtest/include/gtest/gtest.h" |
8 | 8 |
9 namespace { | 9 namespace { |
10 const int kFrameRate = 50; // 20 ms long frames for AMR encoding. | 10 const int kFrameRate = 50; // 20 ms long frames for AMR encoding. |
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66 // This test instantiates and initializes a stand alone endpointer module. | 66 // This test instantiates and initializes a stand alone endpointer module. |
67 // The test creates FrameData objects with random noise and send them | 67 // The test creates FrameData objects with random noise and send them |
68 // to the endointer module. The energy of the first 50 frames is low, | 68 // to the endointer module. The energy of the first 50 frames is low, |
69 // followed by 500 high energy frames, and another 50 low energy frames. | 69 // followed by 500 high energy frames, and another 50 low energy frames. |
70 // We test that the correct start and end frames were detected. | 70 // We test that the correct start and end frames were detected. |
71 class EnergyEndpointerFrameProcessor : public FrameProcessor { | 71 class EnergyEndpointerFrameProcessor : public FrameProcessor { |
72 public: | 72 public: |
73 explicit EnergyEndpointerFrameProcessor(EnergyEndpointer* endpointer) | 73 explicit EnergyEndpointerFrameProcessor(EnergyEndpointer* endpointer) |
74 : endpointer_(endpointer) {} | 74 : endpointer_(endpointer) {} |
75 | 75 |
76 EpStatus ProcessFrame(int64 time, int16* samples, int frame_size) { | 76 virtual EpStatus ProcessFrame(int64 time, |
| 77 int16* samples, |
| 78 int frame_size) OVERRIDE { |
77 endpointer_->ProcessAudioFrame(time, samples, kFrameSize, NULL); | 79 endpointer_->ProcessAudioFrame(time, samples, kFrameSize, NULL); |
78 int64 ep_time; | 80 int64 ep_time; |
79 return endpointer_->Status(&ep_time); | 81 return endpointer_->Status(&ep_time); |
80 } | 82 } |
81 | 83 |
82 private: | 84 private: |
83 EnergyEndpointer* endpointer_; | 85 EnergyEndpointer* endpointer_; |
84 }; | 86 }; |
85 | 87 |
86 TEST(EndpointerTest, TestEnergyEndpointerEvents) { | 88 TEST(EndpointerTest, TestEnergyEndpointerEvents) { |
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109 | 111 |
110 endpointer.EndSession(); | 112 endpointer.EndSession(); |
111 }; | 113 }; |
112 | 114 |
113 // Test endpointer wrapper class. | 115 // Test endpointer wrapper class. |
114 class EndpointerFrameProcessor : public FrameProcessor { | 116 class EndpointerFrameProcessor : public FrameProcessor { |
115 public: | 117 public: |
116 explicit EndpointerFrameProcessor(Endpointer* endpointer) | 118 explicit EndpointerFrameProcessor(Endpointer* endpointer) |
117 : endpointer_(endpointer) {} | 119 : endpointer_(endpointer) {} |
118 | 120 |
119 EpStatus ProcessFrame(int64 time, int16* samples, int frame_size) { | 121 virtual EpStatus ProcessFrame(int64 time, |
| 122 int16* samples, |
| 123 int frame_size) OVERRIDE { |
120 scoped_refptr<AudioChunk> frame( | 124 scoped_refptr<AudioChunk> frame( |
121 new AudioChunk(reinterpret_cast<uint8*>(samples), kFrameSize * 2, 2)); | 125 new AudioChunk(reinterpret_cast<uint8*>(samples), kFrameSize * 2, 2)); |
122 endpointer_->ProcessAudio(*frame, NULL); | 126 endpointer_->ProcessAudio(*frame, NULL); |
123 int64 ep_time; | 127 int64 ep_time; |
124 return endpointer_->Status(&ep_time); | 128 return endpointer_->Status(&ep_time); |
125 } | 129 } |
126 | 130 |
127 private: | 131 private: |
128 Endpointer* endpointer_; | 132 Endpointer* endpointer_; |
129 }; | 133 }; |
130 | 134 |
131 TEST(EndpointerTest, TestEmbeddedEndpointerEvents) { | 135 TEST(EndpointerTest, TestEmbeddedEndpointerEvents) { |
132 const int kSampleRate = 8000; // 8 k samples per second for AMR encoding. | 136 const int kSampleRate = 8000; // 8 k samples per second for AMR encoding. |
133 | 137 |
134 Endpointer endpointer(kSampleRate); | 138 Endpointer endpointer(kSampleRate); |
135 const int64 kMillisecondsPerMicrosecond = 1000; | 139 const int64 kMillisecondsPerMicrosecond = 1000; |
136 const int64 short_timeout = 300 * kMillisecondsPerMicrosecond; | 140 const int64 short_timeout = 300 * kMillisecondsPerMicrosecond; |
137 endpointer.set_speech_input_possibly_complete_silence_length(short_timeout); | 141 endpointer.set_speech_input_possibly_complete_silence_length(short_timeout); |
138 const int64 long_timeout = 500 * kMillisecondsPerMicrosecond; | 142 const int64 long_timeout = 500 * kMillisecondsPerMicrosecond; |
139 endpointer.set_speech_input_complete_silence_length(long_timeout); | 143 endpointer.set_speech_input_complete_silence_length(long_timeout); |
140 endpointer.StartSession(); | 144 endpointer.StartSession(); |
141 | 145 |
142 EndpointerFrameProcessor frame_processor(&endpointer); | 146 EndpointerFrameProcessor frame_processor(&endpointer); |
143 RunEndpointerEventsTest(&frame_processor); | 147 RunEndpointerEventsTest(&frame_processor); |
144 | 148 |
145 endpointer.EndSession(); | 149 endpointer.EndSession(); |
146 } | 150 } |
147 | 151 |
148 } // namespace content | 152 } // namespace content |
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