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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 COMPONENTS_AUDIO_MODEM_AUDIO_RECORDER_H_ | 5 #ifndef COMPONENTS_AUDIO_MODEM_AUDIO_RECORDER_H_ |
| 6 #define COMPONENTS_AUDIO_MODEM_AUDIO_RECORDER_H_ | 6 #define COMPONENTS_AUDIO_MODEM_AUDIO_RECORDER_H_ |
| 7 | 7 |
| 8 #include <string> | 8 #include <string> |
| 9 | 9 |
| 10 #include "base/macros.h" | 10 #include "base/macros.h" |
| 11 #include "base/memory/scoped_ptr.h" | |
| 12 #include "media/audio/audio_io.h" | 11 #include "media/audio/audio_io.h" |
| 13 #include "media/base/audio_converter.h" | 12 #include "media/base/audio_converter.h" |
| 14 #include "media/base/audio_parameters.h" | 13 #include "media/base/audio_parameters.h" |
| 15 | 14 |
| 16 namespace audio_modem { | 15 namespace audio_modem { |
| 17 | 16 |
| 18 // The AudioRecorder class will record audio until told to stop. | 17 // The AudioRecorder class will record audio until told to stop. |
| 19 class AudioRecorder { | 18 class AudioRecorder { |
| 20 public: | 19 public: |
| 21 using RecordedSamplesCallback = base::Callback<void(const std::string&)>; | 20 using RecordedSamplesCallback = base::Callback<void(const std::string&)>; |
| 22 | 21 |
| 23 // Initializes the object. Do not use this object before calling this method. | 22 // Initializes the object. Do not use this object before calling this method. |
| 24 virtual void Initialize(const RecordedSamplesCallback& decode_callback) = 0; | 23 virtual void Initialize(const RecordedSamplesCallback& decode_callback) = 0; |
| 25 | 24 |
| 26 // If we are already recording, this function will do nothing. | 25 // If we are already recording, this function will do nothing. |
| 27 virtual void Record() = 0; | 26 virtual void Record() = 0; |
| 28 // If we are already stopped, this function will do nothing. | 27 // If we are already stopped, this function will do nothing. |
| 29 virtual void Stop() = 0; | 28 virtual void Stop() = 0; |
| 30 | 29 |
| 31 // Cleans up and deletes this object. Do not use object after this call. | 30 // Cleans up and deletes this object. Do not use object after this call. |
| 32 virtual void Finalize() = 0; | 31 virtual void Finalize() = 0; |
| 33 | 32 |
| 34 protected: | 33 protected: |
| 35 virtual ~AudioRecorder() {} | 34 virtual ~AudioRecorder() {} |
| 36 }; | 35 }; |
| 37 | 36 |
| 38 } // namespace audio_modem | 37 } // namespace audio_modem |
| 39 | 38 |
| 40 #endif // COMPONENTS_AUDIO_MODEM_AUDIO_RECORDER_H_ | 39 #endif // COMPONENTS_AUDIO_MODEM_AUDIO_RECORDER_H_ |
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