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WIP: VideoFrame

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This commit is contained in:
Naoto Kondo
2020-04-24 23:05:55 +09:00
parent 98d9dc01fc
commit 1625217d44
3 changed files with 42 additions and 90 deletions
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42
src/PyVideoFrame.cpp
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@@ -1,42 +0,0 @@
#include "PyVideoFrame.hpp"
PyVideoFrameV2::PyVideoFrameV2(int xres_, int yres_,
NDIlib_FourCC_video_type_e FourCC_,
int frame_rate_N_, int frame_rate_D_,
float picture_aspect_ratio_,
NDIlib_frame_format_type_e frame_format_type_,
int64_t timecode_, uint8_t *data_,
int line_stride_in_bytes_,
const std::string &metadata_, int64_t timestamp_)
: _metadata(metadata_) {
xres = xres_;
yres = yres_;
FourCC = FourCC_;
frame_rate_N = frame_rate_N_;
frame_rate_D = frame_rate_D_;
picture_aspect_ratio = picture_aspect_ratio_;
frame_format_type = frame_format_type_;
timecode = timecode_;
line_stride_in_bytes = line_stride_in_bytes_;
p_data = data_;
p_metadata = _metadata.c_str();
timestamp = timestamp_;
}
PyVideoFrameV2::~PyVideoFrameV2() {}
void PyVideoFrameV2::setData(py::array_t<uint8_t> &array) {
auto info = array.request();
p_data = reinterpret_cast<uint8_t *>(info.ptr);
picture_aspect_ratio = info.shape[1] / float(info.shape[0]);
xres = info.shape[1];
yres = info.shape[0];
line_stride_in_bytes = info.strides[0];
}
const std::string &PyVideoFrameV2::getMetadata() const { return _metadata; }
void PyVideoFrameV2::setMetadata(const std::string &data) {
_metadata = data;
p_metadata = _metadata.c_str();
}

26
src/PyVideoFrame.hpp
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@@ -1,26 +0,0 @@
#include <pybind11/numpy.h>
#include <pybind11/pybind11.h>
#include <string>
#include <Processing.NDI.Lib.h>
namespace py = pybind11;
class PyVideoFrameV2 : public NDIlib_video_frame_v2_t {
public:
PyVideoFrameV2(int xres_, int yres_, NDIlib_FourCC_video_type_e FourCC_,
int frame_rate_N_, int frame_rate_D_,
float picture_aspect_ratio_,
NDIlib_frame_format_type_e frame_format_type_,
int64_t timecode_, uint8_t *data_, int line_stride_in_bytes_,
const std::string &metadata_, int64_t timestamp_);
virtual ~PyVideoFrameV2();
void setData(py::array_t<uint8_t> &array);
const std::string &getMetadata() const;
void setMetadata(const std::string &data);
private:
std::string _metadata;
};

64
src/main.cpp
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@@ -2,7 +2,6 @@
#include <pybind11/pybind11.h>
#include "PyAudioFrame.hpp"
#include "PyVideoFrame.hpp"
namespace py = pybind11;
@@ -81,33 +80,54 @@ PYBIND11_MODULE(NDIlib, m) {
self.p_url_address = strs[&self].c_str();
});
py::class_<PyVideoFrameV2>(m, "VideoFrameV2")
.def(py::init<int, int, NDIlib_FourCC_type_e, int, int, float,
py::class_<NDIlib_video_frame_v2_t>(m, "VideoFrameV2")
.def(py::init<>())
/*.def(py::init<int, int, NDIlib_FourCC_video_type_e, int, int, float,
NDIlib_frame_format_type_e, int64_t, uint8_t *, int,
const std::string &, int64_t>(),
const char *, int64_t>(),
py::arg("xres") = 0, py::arg("yres") = 0,
py::arg("FourCC") = FOURCC_VIDEO_TYPE_UYVY,
py::arg("FourCC") = NDIlib_FourCC_video_type_UYVY,
py::arg("frame_rate_N") = 30000, py::arg("frame_rate_D") = 1001,
py::arg("picture_aspect_ratio") = 0.0f,
py::arg("frame_format_type") = FRAME_FORMAT_TYPE_PROGRESSIVE,
py::arg("timecode") = 0, py::arg("data") = nullptr,
py::arg("line_stride_in_bytes") = 0, py::arg("metadata") = nullptr,
py::arg("timestamp") = 0)
.def_readwrite("xres", &PyVideoFrameV2::xres)
.def_readwrite("yres", &PyVideoFrameV2::yres)
.def_readwrite("FourCC", &PyVideoFrameV2::FourCC)
.def_readwrite("frame_rate_N", &PyVideoFrameV2::frame_rate_N)
.def_readwrite("frame_rate_D", &PyVideoFrameV2::frame_rate_D)
py::arg("frame_format_type") = NDIlib_frame_format_type_progressive,
py::arg("timecode") = 0, py::arg("p_data") = nullptr,
py::arg("line_stride_in_bytes") = 0, py::arg("p_metadata") = nullptr,
py::arg("timestamp") = 0)*/
.def_readwrite("xres", &NDIlib_video_frame_v2_t::xres)
.def_readwrite("yres", &NDIlib_video_frame_v2_t::yres)
.def_readwrite("FourCC", &NDIlib_video_frame_v2_t::FourCC)
.def_readwrite("frame_rate_N", &NDIlib_video_frame_v2_t::frame_rate_N)
.def_readwrite("frame_rate_D", &NDIlib_video_frame_v2_t::frame_rate_D)
.def_readwrite("picture_aspect_ratio",
&PyVideoFrameV2::picture_aspect_ratio)
.def_readwrite("frame_format_type", &PyVideoFrameV2::frame_format_type)
.def_readwrite("timecode", &PyVideoFrameV2::timecode)
.def_property("data", nullptr, &PyVideoFrameV2::setData)
&NDIlib_video_frame_v2_t::picture_aspect_ratio)
.def_readwrite("frame_format_type",
&NDIlib_video_frame_v2_t::frame_format_type)
.def_readwrite("timecode", &NDIlib_video_frame_v2_t::timecode)
.def_property(
"data", nullptr,
[](NDIlib_video_frame_v2_t &self, const py::array_t<uint8_t> &array) {
auto info = array.request();
self.p_data = reinterpret_cast<uint8_t *>(info.ptr);
self.picture_aspect_ratio = info.shape[1] / float(info.shape[0]);
self.xres = info.shape[1];
self.yres = info.shape[0];
self.line_stride_in_bytes = info.strides[0];
})
.def_readwrite("line_stride_in_bytes",
&PyVideoFrameV2::line_stride_in_bytes)
.def_property("metadata", &PyVideoFrameV2::getMetadata,
&PyVideoFrameV2::setMetadata)
.def_readwrite("timestamp", &PyVideoFrameV2::timestamp);
&NDIlib_video_frame_v2_t::line_stride_in_bytes)
.def_property(
"metadata",
[](const NDIlib_video_frame_v2_t &self) {
auto ustr = PyUnicode_DecodeLocale(self.p_metadata, nullptr);
return py::reinterpret_steal<py::str>(ustr);
},
[](NDIlib_video_frame_v2_t &self, const std::string &data) {
static std::unordered_map<NDIlib_video_frame_v2_t *, std::string>
strs;
strs[&self] = py::str(data);
self.p_metadata = strs[&self].c_str();
})
.def_readwrite("timestamp", &NDIlib_video_frame_v2_t::timestamp);
py::class_<PyAudioFrameV2>(m, "AudioFrameV2")
.def(py::init<int, int, int, int64_t, float *, int, const std::string &,