Add Silero VAD (#313)

sherpa-onnx/python/csrc/silero-vad-model-config.cc

@@ -0,0 +1,43 @@
+// sherpa-onnx/python/csrc/silero-vad-model-config.cc
+//
+// Copyright (c)  2023  Xiaomi Corporation
+
+#include "sherpa-onnx/python/csrc/silero-vad-model-config.h"
+
+#include <memory>
+#include <string>
+
+#include "sherpa-onnx/csrc/silero-vad-model-config.h"
+
+namespace sherpa_onnx {
+
+void PybindSileroVadModelConfig(py::module *m) {
+  using PyClass = SileroVadModelConfig;
+  py::class_<PyClass>(*m, "SileroVadModelConfig")
+      .def(py::init<>())
+      .def(py::init([](const std::string &model, float threshold,
+                       float min_silence_duration, float min_speech_duration,
+                       int32_t window_size) -> std::unique_ptr<PyClass> {
+             auto ans = std::make_unique<PyClass>();
+
+             ans->model = model;
+             ans->threshold = threshold;
+             ans->min_silence_duration = min_silence_duration;
+             ans->min_speech_duration = min_speech_duration;
+             ans->window_size = window_size;
+
+             return ans;
+           }),
+           py::arg("model"), py::arg("threshold") = 0.5,
+           py::arg("min_silence_duration") = 0.5,
+           py::arg("min_speech_duration") = 0.25, py::arg("window_size") = 512)
+      .def_readwrite("model", &PyClass::model)
+      .def_readwrite("threshold", &PyClass::threshold)
+      .def_readwrite("min_silence_duration", &PyClass::min_silence_duration)
+      .def_readwrite("min_speech_duration", &PyClass::min_speech_duration)
+      .def_readwrite("window_size", &PyClass::window_size)
+      .def("__str__", &PyClass::ToString)
+      .def("validate", &PyClass::Validate);
+}
+
+}  // namespace sherpa_onnx