nopenpilot/cereal/visionipc/visionipc_pyx.pyx

50 lines
1.4 KiB
Cython

# distutils: language = c++
# cython: c_string_encoding=ascii, language_level=3
import sys
from libcpp.string cimport string
from libcpp cimport bool
from libc.string cimport memcpy
from libc.stdint cimport uint32_t, uint64_t
from .visionipc cimport VisionIpcServer as cppVisionIpcServer
from .visionipc cimport VisionBuf as cppVisionBuf
from .visionipc cimport VisionIpcBufExtra
cpdef enum VisionStreamType:
VISION_STREAM_RGB_BACK
VISION_STREAM_RGB_FRONT
VISION_STREAM_RGB_WIDE
VISION_STREAM_YUV_BACK
VISION_STREAM_YUV_FRONT
VISION_STREAM_YUV_WIDE
cdef class VisionIpcServer:
cdef cppVisionIpcServer * server
def __init__(self, string name):
self.server = new cppVisionIpcServer(name, NULL, NULL)
def create_buffers(self, VisionStreamType tp, size_t num_buffers, bool rgb, size_t width, size_t height):
self.server.create_buffers(tp, num_buffers, rgb, width, height)
def send(self, VisionStreamType tp, bytes data, uint32_t frame_id=0, uint64_t timestamp_sof=0, uint64_t timestamp_eof=0):
cdef cppVisionBuf * buf = self.server.get_buffer(tp)
# Populate buffer
assert buf.len == len(data)
memcpy(buf.addr, <char*>data, len(data))
cdef VisionIpcBufExtra extra
extra.frame_id = frame_id
extra.timestamp_sof = timestamp_sof
extra.timestamp_eof = timestamp_eof
self.server.send(buf, &extra, False)
def start_listener(self):
self.server.start_listener()
def __dealloc__(self):
del self.server