| // Copyright 2016 The Cobalt Authors. 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_SPEECH_MICROPHONE_STARBOARD_H_ |
| #define COBALT_SPEECH_MICROPHONE_STARBOARD_H_ |
| |
| #include "cobalt/speech/speech_configuration.h" |
| |
| #if defined(SB_USE_SB_MICROPHONE) |
| |
| #include <string> |
| |
| #include "cobalt/speech/microphone.h" |
| #include "starboard/microphone.h" |
| |
| namespace cobalt { |
| namespace speech { |
| |
| class MicrophoneStarboard : public Microphone { |
| public: |
| static const int kDefaultSampleRate = 16000; |
| // Starboard uses int16 as sample size. |
| static const int16 kSbMicrophoneSampleSizeInBytes = 2; |
| |
| MicrophoneStarboard(int sample_rate, int buffer_size_bytes); |
| ~MicrophoneStarboard() override; |
| |
| bool Open() override; |
| int Read(char* out_data, int data_size) override; |
| bool Close() override; |
| int MinMicrophoneReadInBytes() override { |
| return min_microphone_read_in_bytes_; |
| } |
| bool IsValid() override { return SbMicrophoneIsValid(microphone_); } |
| const char* Label() override { return label_.c_str(); } |
| |
| private: |
| // Minimum requested bytes per microphone read. |
| int min_microphone_read_in_bytes_; |
| SbMicrophone microphone_; |
| std::string label_; |
| }; |
| |
| } // namespace speech |
| } // namespace cobalt |
| |
| #endif // defined(SB_USE_SB_MICROPHONE) |
| #endif // COBALT_SPEECH_MICROPHONE_STARBOARD_H_ |