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// Copyright 2017 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_STARBOARD_SPEECH_RECOGNIZER_H_
#define COBALT_SPEECH_STARBOARD_SPEECH_RECOGNIZER_H_
#include "cobalt/speech/speech_configuration.h"
#include "cobalt/speech/speech_recognition_result_list.h"
#include "cobalt/speech/speech_recognizer.h"
#include "starboard/speech_recognizer.h"
#if defined(SB_USE_SB_SPEECH_RECOGNIZER)
namespace cobalt {
namespace speech {
// Controls |SbSpeechRecognizer| to access the device's recognition service and
// receives the speech recognition results from there.
class StarboardSpeechRecognizer : public SpeechRecognizer {
public:
typedef SpeechRecognitionResultList::SpeechRecognitionResults
SpeechRecognitionResults;
explicit StarboardSpeechRecognizer(const EventCallback& event_callback);
~StarboardSpeechRecognizer();
void Start(const SpeechRecognitionConfig& config) SB_OVERRIDE;
void Stop() SB_OVERRIDE;
void OnRecognizerSpeechDetected(bool detected);
void OnRecognizerError(SbSpeechRecognizerError error);
void OnRecognizerResults(SbSpeechResult* results, int results_size,
bool is_final);
private:
SbSpeechRecognizer speech_recognizer_;
// Used for accumulating final results.
SpeechRecognitionResults final_results_;
};
} // namespace speech
} // namespace cobalt
#endif // defined(SB_USE_SB_SPEECH_RECOGNIZER)
#endif // COBALT_SPEECH_STARBOARD_SPEECH_RECOGNIZER_H_