online-recognizer-impl.h
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// sherpa-onnx/csrc/online-recognizer-impl.h
//
// Copyright (c) 2023 Xiaomi Corporation
#ifndef SHERPA_ONNX_CSRC_ONLINE_RECOGNIZER_IMPL_H_
#define SHERPA_ONNX_CSRC_ONLINE_RECOGNIZER_IMPL_H_
#include <memory>
#include <vector>
#include "sherpa-onnx/csrc/macros.h"
#include "sherpa-onnx/csrc/online-recognizer.h"
#include "sherpa-onnx/csrc/online-stream.h"
namespace sherpa_onnx {
class OnlineRecognizerImpl {
public:
static std::unique_ptr<OnlineRecognizerImpl> Create(
const OnlineRecognizerConfig &config);
#if __ANDROID_API__ >= 9
static std::unique_ptr<OnlineRecognizerImpl> Create(
AAssetManager *mgr, const OnlineRecognizerConfig &config);
#endif
virtual ~OnlineRecognizerImpl() = default;
virtual void InitOnlineStream(OnlineStream *stream) const = 0;
virtual std::unique_ptr<OnlineStream> CreateStream() const = 0;
virtual std::unique_ptr<OnlineStream> CreateStream(
const std::vector<std::vector<int32_t>> &contexts) const {
SHERPA_ONNX_LOGE("Only transducer models support contextual biasing.");
exit(-1);
}
virtual bool IsReady(OnlineStream *s) const = 0;
virtual void DecodeStreams(OnlineStream **ss, int32_t n) const = 0;
virtual OnlineRecognizerResult GetResult(OnlineStream *s) const = 0;
virtual bool IsEndpoint(OnlineStream *s) const = 0;
virtual void Reset(OnlineStream *s) const = 0;
};
} // namespace sherpa_onnx
#endif // SHERPA_ONNX_CSRC_ONLINE_RECOGNIZER_IMPL_H_