kaldifeat/kaldifeat/python/csrc/online-feature.cc
2022-06-04 12:14:35 +08:00

40 lines
1.5 KiB
C++

// kaldifeat/python/csrc/online-feature.cc
//
// Copyright (c) 2022 Xiaomi Corporation (authors: Fangjun Kuang)
#include "kaldifeat/python/csrc/online-feature.h"
#include <string>
#include "kaldifeat/csrc/online-feature.h"
namespace kaldifeat {
template <typename C>
void PybindOnlineFeatureTpl(py::module &m, const std::string &class_name,
const std::string &class_help_doc = "") {
using PyClass = OnlineGenericBaseFeature<C>;
using Options = typename C::Options;
py::class_<PyClass>(m, class_name.c_str(), class_help_doc.c_str())
.def(py::init<const Options &>(), py::arg("opts"))
.def_property_readonly("dim", &PyClass::Dim)
.def_property_readonly("frame_shift_in_seconds",
&PyClass::FrameShiftInSeconds)
.def_property_readonly("num_frames_ready", &PyClass::NumFramesReady)
.def("is_last_frame", &PyClass::IsLastFrame, py::arg("frame"))
.def("get_frame", &PyClass::GetFrame, py::arg("frame"))
.def("get_frames", &PyClass::GetFrames, py::arg("frames"),
py::call_guard<py::gil_scoped_release>())
.def("accept_waveform", &PyClass::AcceptWaveform,
py::arg("sampling_rate"), py::arg("waveform"),
py::call_guard<py::gil_scoped_release>())
.def("input_finished", &PyClass::InputFinished);
}
void PybindOnlineFeature(py::module &m) {
PybindOnlineFeatureTpl<Mfcc>(m, "OnlineMfcc");
PybindOnlineFeatureTpl<Fbank>(m, "OnlineFbank");
PybindOnlineFeatureTpl<Plp>(m, "OnlinePlp");
}
} // namespace kaldifeat