| // Copyright 2018 Google Inc. All Rights Reserved. |
| // |
| // Licensed under the Apache License, Version 2.0 (the "License"); |
| // you may not use this file except in compliance with the License. |
| // You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, software |
| // distributed under the License is distributed on an "AS IS" BASIS, |
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| // See the License for the specific language governing permissions and |
| // limitations under the License. |
| |
| #ifndef COBALT_MEDIA_STREAM_MICROPHONE_AUDIO_SOURCE_H_ |
| #define COBALT_MEDIA_STREAM_MICROPHONE_AUDIO_SOURCE_H_ |
| |
| #include <string> |
| |
| #include "base/memory/ref_counted.h" |
| #include "cobalt/media_stream/media_stream_audio_source.h" |
| #include "cobalt/speech/microphone_manager.h" |
| |
| namespace cobalt { |
| namespace media_stream { |
| |
| class MicrophoneAudioSource : public MediaStreamAudioSource, |
| public base::RefCounted<MicrophoneAudioSource> { |
| public: |
| explicit MicrophoneAudioSource(const speech::Microphone::Options& options); |
| |
| private: |
| MicrophoneAudioSource(const MicrophoneAudioSource&) = delete; |
| MicrophoneAudioSource& operator=(const MicrophoneAudioSource&) = delete; |
| ~MicrophoneAudioSource() = default; |
| |
| bool EnsureSourceIsStarted() override; |
| |
| void EnsureSourceIsStopped() override; |
| |
| // MicrophoneManager callbacks. |
| scoped_ptr<cobalt::speech::Microphone> CreateMicrophone( |
| const cobalt::speech::Microphone::Options& options, |
| int buffer_size_bytes); |
| |
| void OnDataReceived( |
| scoped_ptr<MediaStreamAudioTrack::ShellAudioBus> audio_bus); |
| |
| void OnDataCompletion(); |
| |
| void OnMicError(speech::MicrophoneManager::MicrophoneError error, |
| const std::string& error_message); |
| |
| speech::MicrophoneManager microphone_manager_; |
| |
| friend class base::RefCounted<MicrophoneAudioSource>; |
| }; |
| |
| } // namespace media_stream |
| } // namespace cobalt |
| |
| #endif // COBALT_MEDIA_STREAM_MICROPHONE_AUDIO_SOURCE_H_ |