Add Python API for speech enhancement GTCRN models (#1978)

sherpa-onnx/python/csrc/offline-speech-denoiser-model-config.cc

@@ -0,0 +1,33 @@
+// sherpa-onnx/python/csrc/offline-speech-denoiser-model-config.cc
+//
+// Copyright (c)  2025  Xiaomi Corporation
+
+#include "sherpa-onnx/python/csrc/offline-speech-denoiser-model-config.h"
+
+#include <string>
+
+#include "sherpa-onnx/csrc/offline-speech-denoiser-model-config.h"
+#include "sherpa-onnx/python/csrc/offline-speech-denoiser-gtcrn-model-config.h"
+
+namespace sherpa_onnx {
+
+void PybindOfflineSpeechDenoiserModelConfig(py::module *m) {
+  PybindOfflineSpeechDenoiserGtcrnModelConfig(m);
+
+  using PyClass = OfflineSpeechDenoiserModelConfig;
+  py::class_<PyClass>(*m, "OfflineSpeechDenoiserModelConfig")
+      .def(py::init<>())
+      .def(py::init<const OfflineSpeechDenoiserGtcrnModelConfig &, int32_t,
+                    bool, const std::string &>(),
+           py::arg("gtcrn") = OfflineSpeechDenoiserGtcrnModelConfig{},
+           py::arg("num_threads") = 1, py::arg("debug") = false,
+           py::arg("provider") = "cpu")
+      .def_readwrite("gtcrn", &PyClass::gtcrn)
+      .def_readwrite("num_threads", &PyClass::num_threads)
+      .def_readwrite("debug", &PyClass::debug)
+      .def_readwrite("provider", &PyClass::provider)
+      .def("validate", &PyClass::Validate)
+      .def("__str__", &PyClass::ToString);
+}
+
+}  // namespace sherpa_onnx