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Side by Side Diff: content/renderer/media/audio_repetition_detector.h

Issue 2705073003: Remove ScopedVector from content/renderer/. (Closed)
Patch Set: Rebase only Created 3 years, 10 months ago
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1 // Copyright 2015 The Chromium Authors. All rights reserved. 1 // Copyright 2015 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_RENDERER_MEDIA_AUDIO_REPETITION_DETECTOR_H_ 5 #ifndef CONTENT_RENDERER_MEDIA_AUDIO_REPETITION_DETECTOR_H_
6 #define CONTENT_RENDERER_MEDIA_AUDIO_REPETITION_DETECTOR_H_ 6 #define CONTENT_RENDERER_MEDIA_AUDIO_REPETITION_DETECTOR_H_
7 7
8 #include <stddef.h> 8 #include <stddef.h>
9 9
10 #include <memory>
10 #include <vector> 11 #include <vector>
11 12
12 #include "base/callback.h" 13 #include "base/callback.h"
13 #include "base/macros.h" 14 #include "base/macros.h"
14 #include "base/memory/scoped_vector.h"
15 #include "base/threading/thread_checker.h" 15 #include "base/threading/thread_checker.h"
16 #include "content/common/content_export.h" 16 #include "content/common/content_export.h"
17 17
18 namespace content { 18 namespace content {
19 19
20 // AudioRepetitionDetector detects bit-exact audio repetitions of registered 20 // AudioRepetitionDetector detects bit-exact audio repetitions of registered
21 // patterns. A repetition pattern is defined by a look back time. The detector 21 // patterns. A repetition pattern is defined by a look back time. The detector
22 // buffers the audio signal and checks equality of each input sample against the 22 // buffers the audio signal and checks equality of each input sample against the
23 // samples at the look back positions of all registered patterns, and counts the 23 // samples at the look back positions of all registered patterns, and counts the
24 // duration of any consecutive equality. 24 // duration of any consecutive equality.
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107 bool Equal(const float* frame, int look_back_samples) const; 107 bool Equal(const float* frame, int look_back_samples) const;
108 108
109 // Check whether the state contains a valid repetition report. 109 // Check whether the state contains a valid repetition report.
110 bool HasValidReport(const State* state) const; 110 bool HasValidReport(const State* state) const;
111 111
112 // Used to DCHECK that we are called on the correct thread. Ctor/dtor 112 // Used to DCHECK that we are called on the correct thread. Ctor/dtor
113 // should be called on one thread. The rest can be called on another. 113 // should be called on one thread. The rest can be called on another.
114 base::ThreadChecker main_thread_checker_; 114 base::ThreadChecker main_thread_checker_;
115 base::ThreadChecker processing_thread_checker_; 115 base::ThreadChecker processing_thread_checker_;
116 116
117 ScopedVector<State> states_; 117 std::vector<std::unique_ptr<State>> states_;
118 118
119 // Ring buffer to store input audio. 119 // Ring buffer to store input audio.
120 std::vector<float> audio_buffer_; 120 std::vector<float> audio_buffer_;
121 121
122 // Maximum look back time of all registered repetitions. This defines the size 122 // Maximum look back time of all registered repetitions. This defines the size
123 // of |audio_buffer_| 123 // of |audio_buffer_|
124 int max_look_back_ms_; 124 int max_look_back_ms_;
125 125
126 // The shortest length for repetitions. 126 // The shortest length for repetitions.
127 const int min_length_ms_; 127 const int min_length_ms_;
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144 // Action when a repetition is found. |look_back_ms| provides the look back 144 // Action when a repetition is found. |look_back_ms| provides the look back
145 // time of the detected repetition. 145 // time of the detected repetition.
146 RepetitionCallback repetition_callback_; 146 RepetitionCallback repetition_callback_;
147 147
148 DISALLOW_COPY_AND_ASSIGN(AudioRepetitionDetector); 148 DISALLOW_COPY_AND_ASSIGN(AudioRepetitionDetector);
149 }; 149 };
150 150
151 } // namespace content 151 } // namespace content
152 152
153 #endif // CONTENT_RENDERER_MEDIA_AUDIO_REPETITION_DETECTOR_H_ 153 #endif // CONTENT_RENDERER_MEDIA_AUDIO_REPETITION_DETECTOR_H_
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