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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 MEDIA_AUDIO_AUDIO_DEBUG_FILE_WRITER_H_ | 5 #ifndef MEDIA_AUDIO_AUDIO_DEBUG_FILE_WRITER_H_ |
6 #define MEDIA_AUDIO_AUDIO_DEBUG_FILE_WRITER_H_ | 6 #define MEDIA_AUDIO_AUDIO_DEBUG_FILE_WRITER_H_ |
7 | 7 |
8 #include <stdint.h> | 8 #include <stdint.h> |
9 | 9 |
10 #include <memory> | 10 #include <memory> |
11 | 11 |
12 #include "base/files/file.h" | 12 #include "base/files/file.h" |
13 #include "base/macros.h" | 13 #include "base/macros.h" |
14 #include "base/memory/ref_counted.h" | 14 #include "base/memory/ref_counted.h" |
15 #include "base/sequence_checker.h" | 15 #include "base/sequence_checker.h" |
| 16 #include "base/sequenced_task_runner.h" |
16 #include "base/single_thread_task_runner.h" | 17 #include "base/single_thread_task_runner.h" |
17 #include "media/base/audio_parameters.h" | 18 #include "media/base/audio_parameters.h" |
18 #include "media/base/media_export.h" | 19 #include "media/base/media_export.h" |
19 | 20 |
20 namespace media { | 21 namespace media { |
21 | 22 |
22 class AudioBus; | 23 class AudioBus; |
23 | 24 |
24 // Writes audio data to a 16 bit PCM WAVE file used for debugging purposes. All | 25 // Writes audio data to a 16 bit PCM WAVE file used for debugging purposes. All |
25 // operations are non-blocking. | 26 // operations are non-blocking. |
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58 // the filename. | 59 // the filename. |
59 virtual const base::FilePath::CharType* GetFileNameExtension(); | 60 virtual const base::FilePath::CharType* GetFileNameExtension(); |
60 | 61 |
61 protected: | 62 protected: |
62 const AudioParameters params_; | 63 const AudioParameters params_; |
63 | 64 |
64 private: | 65 private: |
65 class AudioFileWriter; | 66 class AudioFileWriter; |
66 | 67 |
67 // Deleter for AudioFileWriter. | 68 // Deleter for AudioFileWriter. |
68 struct OnThreadDeleter { | 69 struct OnSequenceDeleter { |
69 public: | 70 public: |
70 OnThreadDeleter(); | 71 OnSequenceDeleter(); |
71 OnThreadDeleter(const OnThreadDeleter& other); | 72 OnSequenceDeleter(OnSequenceDeleter&& other); |
72 OnThreadDeleter(scoped_refptr<base::SingleThreadTaskRunner> task_runner); | 73 OnSequenceDeleter& operator=(OnSequenceDeleter&&); |
73 ~OnThreadDeleter(); | 74 OnSequenceDeleter(scoped_refptr<base::SequencedTaskRunner> task_runner); |
| 75 ~OnSequenceDeleter(); |
74 void operator()(AudioFileWriter* ptr) const; | 76 void operator()(AudioFileWriter* ptr) const; |
75 | 77 |
76 private: | 78 private: |
77 scoped_refptr<base::SingleThreadTaskRunner> task_runner_; | 79 scoped_refptr<base::SequencedTaskRunner> task_runner_; |
78 }; | 80 }; |
79 | 81 |
80 using AudioFileWriterUniquePtr = | 82 using AudioFileWriterUniquePtr = |
81 std::unique_ptr<AudioFileWriter, OnThreadDeleter>; | 83 std::unique_ptr<AudioFileWriter, OnSequenceDeleter>; |
82 | 84 |
83 AudioFileWriterUniquePtr file_writer_; | 85 AudioFileWriterUniquePtr file_writer_; |
84 base::SequenceChecker client_sequence_checker_; | 86 base::SequenceChecker client_sequence_checker_; |
85 | 87 |
86 // The task runner to do file output operations on. | 88 // The task runner to do file output operations on. |
87 scoped_refptr<base::SingleThreadTaskRunner> file_task_runner_; | 89 scoped_refptr<base::SingleThreadTaskRunner> file_task_runner_; |
88 | 90 |
89 DISALLOW_COPY_AND_ASSIGN(AudioDebugFileWriter); | 91 DISALLOW_COPY_AND_ASSIGN(AudioDebugFileWriter); |
90 }; | 92 }; |
91 | 93 |
92 } // namspace media | 94 } // namspace media |
93 | 95 |
94 #endif // MEDIA_AUDIO_AUDIO_DEBUG_FILE_WRITER_H_ | 96 #endif // MEDIA_AUDIO_AUDIO_DEBUG_FILE_WRITER_H_ |
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