50 lines
1.3 KiB
C++
50 lines
1.3 KiB
C++
// sherpa-onnx/csrc/vad-model.h
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//
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// Copyright (c) 2023 Xiaomi Corporation
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#ifndef SHERPA_ONNX_CSRC_VAD_MODEL_H_
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#define SHERPA_ONNX_CSRC_VAD_MODEL_H_
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#include <memory>
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#if __ANDROID_API__ >= 9
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#include "android/asset_manager.h"
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#include "android/asset_manager_jni.h"
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#endif
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#include "sherpa-onnx/csrc/vad-model-config.h"
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namespace sherpa_onnx {
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class VadModel {
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public:
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virtual ~VadModel() = default;
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static std::unique_ptr<VadModel> Create(const VadModelConfig &config);
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#if __ANDROID_API__ >= 9
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static std::unique_ptr<VadModel> Create(AAssetManager *mgr,
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const VadModelConfig &config);
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#endif
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// reset the internal model states
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virtual void Reset() = 0;
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/**
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* @param samples Pointer to a 1-d array containing audio samples.
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* Each sample should be normalized to the range [-1, 1].
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* @param n Number of samples. Should be equal to WindowSize()
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*
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* @return Return true if speech is detected. Return false otherwise.
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*/
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virtual bool IsSpeech(const float *samples, int32_t n) = 0;
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virtual int32_t WindowSize() const = 0;
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virtual int32_t MinSilenceDurationSamples() const = 0;
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virtual int32_t MinSpeechDurationSamples() const = 0;
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};
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} // namespace sherpa_onnx
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#endif // SHERPA_ONNX_CSRC_VAD_MODEL_H_
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