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#!/usr/bin/env python3
# SPDX-License-Identifier:Unlicense
# If you have installed aravis in a non standard location, you may need
# to make GI_TYPELIB_PATH point to the correct location. For example:
#
# export GI_TYPELIB_PATH=$GI_TYPELIB_PATH:/opt/bin/lib/girepositry-1.0/
#
# You may also have to give the path to libaravis.so, using LD_PRELOAD or
# LD_LIBRARY_PATH.
import sys
import gi
gi.require_version ('Aravis', '0.8')
from gi.repository import Aravis
Aravis.enable_interface ("Fake")
try:
if len(sys.argv) > 1:
camera = Aravis.Camera.new (sys.argv[1])
else:
camera = Aravis.Camera.new (None)
except TypeError:
print ("No camera found")
exit ()
camera.set_region (0,0,128,128)
camera.set_frame_rate (10.0)
camera.set_pixel_format (Aravis.PIXEL_FORMAT_MONO_8)
payload = camera.get_payload ()
[x,y,width,height] = camera.get_region ()
print ("Camera vendor : %s" %(camera.get_vendor_name ()))
print ("Camera model : %s" %(camera.get_model_name ()))
print ("ROI : %dx%d at %d,%d" %(width, height, x, y))
print ("Payload : %d" %(payload))
print ("Pixel format : %s" %(camera.get_pixel_format_as_string ()))
stream = camera.create_stream (None, None)
for i in range(0,10):
stream.push_buffer (Aravis.Buffer.new_allocate (payload))
print ("Start acquisition")
camera.start_acquisition ()
print ("Acquisition")
for i in range(0,20):
image = stream.pop_buffer ()
print (image)
if image:
stream.push_buffer (image)
print ("Stop acquisition")
camera.stop_acquisition ()
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