class MyGui(QtWidgets.QMainWindow):
debug = False
# debug=True
def __init__(self, pardic, parent=None):
super(MyGui, self).__init__()
# print(pre,"Qapp=",QtCore.QCoreApplication.instance())
self.pardic = pardic
self.initVars()
self.setupUi()
if (self.debug):
return
self.openValkka()
self.start_streams()
def initVars(self):
pass
def setupUi(self):
self.desktop_handler = DesktopHandler()
print(self.desktop_handler)
self.setGeometry(QtCore.QRect(100, 100, 800, 800))
self.w = QtWidgets.QWidget(self)
self.setCentralWidget(self.w)
self.lay = QtWidgets.QGridLayout(self.w)
self.videoframes = []
self.widget_pairs = []
self.addresses = self.pardic["cams"]
def openValkka(self):
self.livethread = LiveThread( # starts live stream services (using live555)
name="live_thread",
# verbose=True,
verbose=False,
affinity=self.pardic["live affinity"])
self.gpu_handler = GPUHandler(self.pardic)
self.chains = []
a = self.pardic["dec affinity start"]
cw = 0 # widget / window index
cs = 1 # slot / stream count
ntotal = len(self.addresses) * self.pardic["replicate"]
nrow = self.pardic["videos per row"]
ncol = max((ntotal // self.pardic["videos per row"]) + 1, 2)
for address in self.addresses:
# now livethread and openglthread are running
if (a > self.pardic["dec affinity stop"]):
a = self.pardic["dec affinity start"]
print(pre, "openValkka: setting decoder thread on processor", a)
chain = OpenFilterchain( # decoding and branching the stream happens here
livethread=self.livethread,
address=address,
slot=cs,
affinity=a,
# verbose =True
verbose=False,
msreconnect=10000,
# flush_when_full =True
flush_when_full=False,
# time_correction =TimeCorrectionType_dummy, # Timestamp correction type: TimeCorrectionType_none, TimeCorrectionType_dummy, or TimeCorrectionType_smart (default)
time_correction=TimeCorrectionType_smart,
recv_buffer_size=
0, # Operating system socket ringbuffer size in bytes # 0 means default
# recv_buffer_size =1024*800, # 800 KB
reordering_mstime=
0 # Reordering buffer time for Live555 packets in MILLIseconds # 0 means default
# reordering_mstime =300
)
# send stream from all OpenFilterchain to all GPUs
for glthread in self.gpu_handler.openglthreads:
chain.connect(glthread.name, glthread.getInput(
)) # OpenGLThread.getInput() returns the input FrameFilter
self.chains.append(
chain
) # important .. otherwise chain will go out of context and get garbage collected ..
for cc in range(0, self.pardic["replicate"]):
print(pre, "setupUi: layout index, address : ", cw // nrow,
cw % nrow, address)
# self.lay.addWidget(fr,cw//nrow,cw%nrow) # floating windows instead
container = VideoContainer(cs, self.gpu_handler)
container.getWidget().setGeometry(
self.desktop_handler.getGeometry(nrow, ncol, cw % nrow,
cw // nrow))
container.getWidget().show()
self.videoframes.append(container)
cw += 1
cs += 1 # TODO: crash when repeating the same slot number ..?
chain.decodingOn() # tell the decoding thread to start its job
a += 1
def closeValkka(self):
self.livethread.close()
for chain in self.chains:
chain.close()
self.chains = []
self.widget_pairs = []
self.videoframes = []
self.gpu_handler.close()
def start_streams(self):
pass
def stop_streams(self):
pass
def closeEvent(self, e):
print(pre, "closeEvent!")
self.stop_streams()
self.closeValkka()
e.accept()
class MyGui(QtWidgets.QMainWindow):
debug = False
# debug=True
def __init__(self, pardic, parent=None):
super(MyGui, self).__init__()
# print(pre,"Qapp=",QtCore.QCoreApplication.instance())
self.pardic = pardic
self.initVars()
self.setupUi()
if (self.debug):
return
self.openValkka()
self.start_streams()
def initVars(self):
pass
def setupUi(self):
self.desktop_handler = DesktopHandler()
print(self.desktop_handler)
self.setGeometry(QtCore.QRect(100, 100, 800, 800))
self.w = QtWidgets.QWidget(self)
self.setCentralWidget(self.w)
self.lay = QtWidgets.QGridLayout(self.w)
self.videoframes = []
self.widget_pairs = []
self.addresses = self.pardic["cams"]
def openValkka(self):
self.livethread = LiveThread( # starts live stream services (using live555)
name="live_thread",
# verbose=True,
verbose=False,
affinity=self.pardic["live affinity"])
self.openglthread = OpenGLThread( # starts frame presenting services
name="mythread",
n_720p=self.pardic[
"n_720p"], # reserve stacks of YUV video frames for various resolutions
n_1080p=self.pardic["n_1080p"],
n_1440p=self.pardic["n_1440p"],
n_4K=self.pardic["n_4K"],
# naudio =self.pardic["naudio"], # obsolete
# verbose =True,
verbose=False,
msbuftime=self.pardic["msbuftime"],
affinity=self.pardic["gl affinity"],
x_connection=":0.0"
# x_connection =":0.1" # works .. video appears on the other xscreen
)
""" # this results in a segfault
print("> starting second OpenGLThread")
# testing: start another OpenGLThread
self.openglthread2=OpenGLThread( # starts frame presenting services
name ="mythread2",
n_720p =self.pardic["n_720p"], # reserve stacks of YUV video frames for various resolutions
n_1080p =self.pardic["n_1080p"],
n_1440p =self.pardic["n_1440p"],
n_4K =self.pardic["n_4K"],
# naudio =self.pardic["naudio"], # obsolete
# verbose =True,
verbose =False,
msbuftime=self.pardic["msbuftime"],
affinity=self.pardic["gl affinity"],
x_connection =":0.1" # works .. video appears on the other xscreen
)
print("> second OpenGLThread started")
"""
if (self.openglthread.hadVsync()):
w = QtWidgets.QMessageBox.warning(
self, "VBLANK WARNING",
"Syncing to vertical refresh enabled\n THIS WILL DESTROY YOUR FRAMERATE\n Disable it with 'export vblank_mode=0' for nvidia proprietary drivers, use 'export __GL_SYNC_TO_VBLANK=0'"
)
tokens = []
self.chains = []
a = self.pardic["dec affinity start"]
cw = 0 # widget / window index
cs = 1 # slot / stream count
ntotal = len(self.addresses) * self.pardic["replicate"]
nrow = self.pardic["videos per row"]
ncol = max((ntotal // self.pardic["videos per row"]) + 1, 2)
for address in self.addresses:
# now livethread and openglthread are running
if (a > self.pardic["dec affinity stop"]):
a = self.pardic["dec affinity start"]
print(pre, "openValkka: setting decoder thread on processor", a)
chain = BasicFilterchain( # decoding and branching the stream happens here
livethread=self.livethread,
openglthread=self.openglthread,
address=address,
slot=cs,
affinity=a,
# verbose =True
verbose=False,
msreconnect=10000,
# flush_when_full =True
flush_when_full=False,
# time_correction =TimeCorrectionType_dummy, # Timestamp correction type: TimeCorrectionType_none, TimeCorrectionType_dummy, or TimeCorrectionType_smart (default)
time_correction=TimeCorrectionType_smart,
recv_buffer_size=
0, # Operating system socket ringbuffer size in bytes # 0 means default
# recv_buffer_size =1024*800, # 800 KB
reordering_mstime=
0 # Reordering buffer time for Live555 packets in MILLIseconds # 0 means default
# reordering_mstime =300
)
self.chains.append(
chain
) # important .. otherwise chain will go out of context and get garbage collected ..
for cc in range(0, self.pardic["replicate"]):
if ("no_qt" in self.pardic):
# create our own x-windowses
win_id = self.openglthread.createWindow(show=True)
else:
# *** Choose one of the following sections ***
# (1) Let Valkka create the windows/widget # use this: we get a window with correct parametrization
# win_id =self.openglthread.createWindow(show=False)
# fr =getForeignWidget(self.w, win_id)
if (valkka_xwin == False):
# (2) Let Qt create the widget
fr = TestWidget0(None)
win_id = int(fr.winId())
else:
# """
# (3) Again, let Valkka create the window, but put on top a translucent widget (that catches mouse gestures)
win_id = self.openglthread.createWindow(show=False)
widget_pair = WidgetPair(None, win_id, TestWidget0)
fr = widget_pair.getWidget()
self.widget_pairs.append(widget_pair)
# """
print(pre, "setupUi: layout index, address : ", cw // nrow,
cw % nrow, address)
# self.lay.addWidget(fr,cw//nrow,cw%nrow) # floating windows instead
container = VideoContainer(None, fr, n=0)
container.getWidget().setGeometry(
self.desktop_handler.getGeometry(
nrow, ncol, cw % nrow, cw // nrow))
container.getWidget().show()
self.videoframes.append(container)
token = self.openglthread.connect(
slot=cs, window_id=win_id
) # present frames with slot number cs at window win_id
tokens.append(token)
cw += 1
cs += 1 # TODO: crash when repeating the same slot number ..?
chain.decodingOn() # tell the decoding thread to start its job
a += 1
def closeValkka(self):
self.livethread.close()
for chain in self.chains:
chain.close()
self.chains = []
self.widget_pairs = []
self.videoframes = []
self.openglthread.close()
def start_streams(self):
pass
def stop_streams(self):
pass
def closeEvent(self, e):
print(pre, "closeEvent!")
self.stop_streams()
self.closeValkka()
e.accept()