offline-recognizer.cc
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// sherpa-onnx/python/csrc/offline-recognizer.cc
//
// Copyright (c) 2023 by manyeyes
#include "sherpa-onnx/python/csrc/offline-recognizer.h"
#include <string>
#include <vector>
#include "sherpa-onnx/csrc/offline-recognizer.h"
namespace sherpa_onnx {
static void PybindOfflineRecognizerConfig(py::module *m) {
using PyClass = OfflineRecognizerConfig;
py::class_<PyClass>(*m, "OfflineRecognizerConfig")
.def(py::init<const OfflineFeatureExtractorConfig &,
const OfflineModelConfig &, const OfflineLMConfig &,
const OfflineCtcFstDecoderConfig &, const std::string &,
int32_t, const std::string &, float, float>(),
py::arg("feat_config"), py::arg("model_config"),
py::arg("lm_config") = OfflineLMConfig(),
py::arg("ctc_fst_decoder_config") = OfflineCtcFstDecoderConfig(),
py::arg("decoding_method") = "greedy_search",
py::arg("max_active_paths") = 4, py::arg("hotwords_file") = "",
py::arg("hotwords_score") = 1.5, py::arg("blank_penalty") = 0.0)
.def_readwrite("feat_config", &PyClass::feat_config)
.def_readwrite("model_config", &PyClass::model_config)
.def_readwrite("lm_config", &PyClass::lm_config)
.def_readwrite("ctc_fst_decoder_config", &PyClass::ctc_fst_decoder_config)
.def_readwrite("decoding_method", &PyClass::decoding_method)
.def_readwrite("max_active_paths", &PyClass::max_active_paths)
.def_readwrite("hotwords_file", &PyClass::hotwords_file)
.def_readwrite("hotwords_score", &PyClass::hotwords_score)
.def_readwrite("blank_penalty", &PyClass::blank_penalty)
.def("__str__", &PyClass::ToString);
}
void PybindOfflineRecognizer(py::module *m) {
PybindOfflineRecognizerConfig(m);
using PyClass = OfflineRecognizer;
py::class_<PyClass>(*m, "OfflineRecognizer")
.def(py::init<const OfflineRecognizerConfig &>(), py::arg("config"),
py::call_guard<py::gil_scoped_release>())
.def(
"create_stream",
[](const PyClass &self) { return self.CreateStream(); },
py::call_guard<py::gil_scoped_release>())
.def(
"create_stream",
[](PyClass &self, const std::string &hotwords) {
return self.CreateStream(hotwords);
},
py::arg("hotwords"), py::call_guard<py::gil_scoped_release>())
.def("decode_stream", &PyClass::DecodeStream,
py::call_guard<py::gil_scoped_release>())
.def(
"decode_streams",
[](const PyClass &self, std::vector<OfflineStream *> ss) {
self.DecodeStreams(ss.data(), ss.size());
},
py::call_guard<py::gil_scoped_release>());
}
} // namespace sherpa_onnx