def __init__(self, **kwargs):
# auxiliary string for debugging output
self.pre = self.__class__.__name__ + " : "
# check kwargs agains parameter_defs, attach ok'd parameters to this
# object as attributes
parameterInitCheck(self.parameter_defs, kwargs, self)
# some "api-level 1" objects here = swig-wrapped cpp objects
#
# This parameter set is defined at the cpp header file
# "openglframefifo.h"
self.gl_ctx = core.OpenGLFrameFifoContext()
self.gl_ctx.n_720p = self.n_720p
self.gl_ctx.n_1080p = self.n_1080p
self.gl_ctx.n_1440p = self.n_1440p
self.gl_ctx.n_4K = self.n_4K
self.gl_ctx.n_setup = self.n_setup
self.gl_ctx.n_signal = self.n_signal
self.gl_ctx.flush_when_full = self.flush_when_full
# OpenGLThread(const char* name, OpenGLFrameFifoContext
# fifo_ctx=OpenGLFrameFifoContext(), unsigned
# msbuftime=DEFAULT_OPENGLTHREAD_BUFFERING_TIME, const char*
# x_connection="");
self.core = core.OpenGLThread(self.name, self.gl_ctx, self.msbuftime,
self.x_connection)
self.core.setAffinity(self.affinity)
self.core.setStaticTexFile(self.background)
self.input_filter = self.core.getFrameFilter()
self.render_groups = [] # list of registered x windows
self.render_counts = [] # how many slots are mapped per each x window
self.tokens = [
] # unique tokens identifying the slot => x window mappings
self.token_to_group = [
] # gives group corresponding to each token by token index
self.active = True
if (self.verbose):
print(self.pre, "starting core.OpenGLThread")
self.core.startCall()
if (self.verbose):
print(self.pre, "started core.OpenGLThread")
def __init__(self, address, parent=None):
super(Dashboard, self).__init__()
self.address = address
self.setupUI()
self.alertFireDetected = True
setValkkaLogLevel(loglevel_silent)
filterchain = VisionAlarmFilterChain(self.w,
self.wlay,
address=self.address,
slot=1)
rgb_pars = filterchain.getRGBParameters()
frag_mp4_pars = filterchain.getFragMP4Parameters()
# process that recieves RGB24 frames
rgb_process = RGB24Process()
rgb_process.ignoreSIGINT()
rgb_process.start()
# process that receives frag mp4 fragments & prints out info
if self.alertFireDetected:
frag_mp4_process = FragMP4Process()
frag_mp4_process.ignoreSIGINT()
frag_mp4_process.start()
# opengl is used to dump video to the screen
# preserved frames in the memory and at the GPI
gl_ctx = core.OpenGLFrameFifoContext()
gl_ctx.n_720p = 100
gl_ctx.n_1080p = 100
gl_ctx.n_1440p = 0
gl_ctx.n_4K = 0
# max buffering time depends on the frames available
buffering_time_ms = 100
# Forking is done, Begin multithreading instantiation
# Create opengl thread
openglthread = core.OpenGLThread("openglthread", gl_ctx,
buffering_time_ms)
openglthread.startCall()
# openglthread = OpenGLThread(
# name="openglthread",
# n_720p=50,
# n_1080p=50,
# n_1440p=50,
# verbose=False,
# msbuftime=buffering_time_ms
# )
# Livethread using live555
livethread = core.LiveThread("livethread")
livethread.startCall()
# start decoders, create shmem servers etc
filterchain(livethread=livethread, openglthread=openglthread)
# pass shmem arguments ( from the server side) to the client processes
rgb_process.activateRGB24Client(**rgb_pars)
rgb_pipe = rgb_process.getPipe()
# if alert detected activate frag-MP4
if self.alertFireDetected:
frag_mp4_process.activateFMP4Client(**frag_mp4_pars)
# multiprocesses derived from valkka.multiprocess.AsyncBackMessageProcess
# have a slightly different API from multiprocessing.Pipe:
mp4_pipe = frag_mp4_process.getPipe()
mp4_pipe_fd = mp4_pipe.getReadFd()
# could be called within the main loop
# in a real-life application you could do it like this:
# - your ws server receives a request for fmp4
# - your ws server process sends a request to main process
# -.. which then calls this:
filterchain.activateFragMP4()
print("video array ", frag_mp4_process.returnVideoArray())
"""
C++ side threads are running
Python multiprocesses are running
Starting main program
"""
while True:
try:
if self.alertFireDetected:
# multiplex intercom from two multiprocess
rlis = [rgb_pipe, mp4_pipe_fd]
r, w, e = safe_select(rlis, [], [], timeout=1)
if rgb_pipe in r:
# there is an incoming message object from the rgb process
msg = rgb_pipe.recv()
print(
"MainProcess Dashboard: message from rgb process",
msg)
if mp4_pipe_fd in r:
# there is an incoming message object from the frag mp4 process
msg = mp4_pipe.recv()
print(
"MainProcess Dashboard: message from frag-MP4 process",
msg)
if len(r) < 1:
# Dashboard process is alive
# print("Dashboard process is alive")
pass
else:
# multiplex intercom from two multiprocess
rlis = [rgb_pipe]
r, w, e = safe_select(rlis, [], [], timeout=1)
if rgb_pipe in r:
# there is an incoming message object from the rgb process
msg = rgb_pipe.recv()
print(
"MainProcess Dashboard: message from rgb process",
msg)
if len(r) < 1:
# Dashboard process is alive
# print("Dashboard process is alive")
pass
except KeyboardInterrupt:
print(
"Terminating the program !! You stupid shit head pressed ctrl + c "
)
break
print("Bye ")
print(" stopping process")
frag_mp4_process.deactivateFMP4Client(
ipc_index=frag_mp4_pars["ipc_index"])
frag_mp4_process.stop()
rgb_process.deactivateRGB24Client(ipc_index=rgb_pars["ipc_index"])
rgb_process.stop()
print("stopping livethread")
livethread.stopCall()
filterchain.close()
print("stopping openglthread")
openglthread.stopCall()