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py: Implement FrameBufferPlane

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Implement FrameBufferPlane class and adjust the methods and uses
accordingly.

Note that we don't expose the fd as a SharedFD, but as an int.

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ideasonboard.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
This commit is contained in:
Tomi Valkeinen
2022-05-30 17:27:13 +03:00
committed by Laurent Pinchart
parent e8317de05c
commit fbd6c4d1c8
4 changed files with 36 additions and 35 deletions
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45
src/py/libcamera/py_main.cpp
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@@ -155,6 +155,7 @@ PYBIND11_MODULE(_libcamera, m)
auto pyStreamFormats = py::class_<StreamFormats>(m, "StreamFormats");
auto pyFrameBufferAllocator = py::class_<FrameBufferAllocator>(m, "FrameBufferAllocator");
auto pyFrameBuffer = py::class_<FrameBuffer>(m, "FrameBuffer");
auto pyFrameBufferPlane = py::class_<FrameBuffer::Plane>(pyFrameBuffer, "Plane");
auto pyStream = py::class_<Stream>(m, "Stream");
auto pyControlId = py::class_<ControlId>(m, "ControlId");
auto pyControlInfo = py::class_<ControlInfo>(m, "ControlInfo");
@@ -408,31 +409,31 @@ PYBIND11_MODULE(_libcamera, m)
});
pyFrameBuffer
/* \todo implement FrameBuffer::Plane properly */
.def(py::init([](std::vector<std::tuple<int, unsigned int>> planes, unsigned int cookie) {
std::vector<FrameBuffer::Plane> v;
for (const auto &t : planes)
v.push_back({ SharedFD(std::get<0>(t)), FrameBuffer::Plane::kInvalidOffset, std::get<1>(t) });
return new FrameBuffer(v, cookie);
}))
.def(py::init<std::vector<FrameBuffer::Plane>, unsigned int>(),
py::arg("planes"), py::arg("cookie") = 0)
.def_property_readonly("metadata", &FrameBuffer::metadata, py::return_value_policy::reference_internal)
.def_property_readonly("num_planes", [](const FrameBuffer &self) {
return self.planes().size();
})
.def("length", [](FrameBuffer &self, uint32_t idx) {
const FrameBuffer::Plane &plane = self.planes()[idx];
return plane.length;
})
.def("fd", [](FrameBuffer &self, uint32_t idx) {
const FrameBuffer::Plane &plane = self.planes()[idx];
return plane.fd.get();
})
.def("offset", [](FrameBuffer &self, uint32_t idx) {
const FrameBuffer::Plane &plane = self.planes()[idx];
return plane.offset;
})
.def_property_readonly("planes", &FrameBuffer::planes)
.def_property("cookie", &FrameBuffer::cookie, &FrameBuffer::setCookie);
pyFrameBufferPlane
.def(py::init())
.def(py::init([](int fd, unsigned int offset, unsigned int length) {
auto p = FrameBuffer::Plane();
p.fd = SharedFD(fd);
p.offset = offset;
p.length = length;
return p;
}), py::arg("fd"), py::arg("offset"), py::arg("length"))
.def_property("fd",
[](const FrameBuffer::Plane &self) {
return self.fd.get();
},
[](FrameBuffer::Plane &self, int fd) {
self.fd = SharedFD(fd);
})
.def_readwrite("offset", &FrameBuffer::Plane::offset)
.def_readwrite("length", &FrameBuffer::Plane::length);
pyStream
.def_property_readonly("configuration", &Stream::configuration);