| // Copyright 2016 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_SPEECH_MICROPHONE_FAKE_H_ |
| #define COBALT_SPEECH_MICROPHONE_FAKE_H_ |
| |
| #include "cobalt/speech/speech_configuration.h" |
| |
| #if defined(ENABLE_FAKE_MICROPHONE) |
| |
| #include <string> |
| #include <vector> |
| |
| #include "base/callback.h" |
| #include "base/file_path.h" |
| #include "base/memory/scoped_ptr.h" |
| #include "base/threading/thread_checker.h" |
| #include "cobalt/speech/microphone.h" |
| |
| namespace cobalt { |
| namespace speech { |
| |
| // Fake microphone to mock the speech input by reading from the pre-recorded |
| // audio. |
| class MicrophoneFake : public Microphone { |
| public: |
| explicit MicrophoneFake(const Options& options); |
| ~MicrophoneFake() override {} |
| |
| bool Open() override; |
| int Read(char* out_data, int data_size) override; |
| bool Close() override; |
| int MinMicrophoneReadInBytes() override; |
| bool IsValid() override { return is_valid_; } |
| const char* Label() override { return ""; } |
| |
| private: |
| base::ThreadChecker thread_checker_; |
| |
| bool read_data_from_file_; |
| std::vector<FilePath> file_paths_; |
| scoped_array<uint8> file_buffer_; |
| int file_length_; |
| int read_index_; |
| bool is_valid_; |
| }; |
| |
| } // namespace speech |
| } // namespace cobalt |
| |
| #endif // defined(ENABLE_FAKE_MICROPHONE) |
| #endif // COBALT_SPEECH_MICROPHONE_FAKE_H_ |