90 lines
2.7 KiB
Python
90 lines
2.7 KiB
Python
import threading
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import unittest as ut
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import pubsub
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import numpy as np
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import cvpubsubs.webcam_pub as w
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from cvpubsubs.listen_default import listen_default
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from cvpubsubs.window_sub import SubscriberWindows
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if False:
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import numpy as np
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def print_keys_thread():
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sub_key = pubsub.subscribe("CVKeyStroke")
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sub_cmd = pubsub.subscribe("CVWinCmd")
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msg_cmd = ''
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while msg_cmd != 'quit':
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key_chr = listen_default(sub_key, timeout=.1) # type: np.ndarray
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if key_chr is not None:
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print("key pressed: " + str(key_chr))
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msg_cmd = listen_default(sub_cmd, block=False, empty='')
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pubsub.publish("CVWinCmd", 'quit')
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def start_print_keys_thread(): # type: (...) -> threading.Thread
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t = threading.Thread(target=print_keys_thread, args=())
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t.start()
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return t
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class TestSubWin(ut.TestCase):
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def test_sub(self):
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w.VideoHandlerThread().display()
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def test_image(self):
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img = np.random.uniform(0, 1, (300, 300, 3))
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w.VideoHandlerThread(video_source=img).display()
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def test_sub_with_args(self):
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video_thread = w.VideoHandlerThread(video_source=0,
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callbacks=w.display_callbacks,
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request_size=(800, 600),
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high_speed=False,
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fps_limit=8
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)
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video_thread.display()
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def test_sub_with_callback(self):
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def redden_frame_print_spam(frame, cam_id):
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frame[:, :, 0] = 0
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frame[:, :, 2] = 0
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w.VideoHandlerThread(callbacks=[redden_frame_print_spam] + w.display_callbacks).display()
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def test_multi_cams_one_source(self):
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def cam_handler(frame, cam_id):
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SubscriberWindows.set_global_frame_dict(cam_id, frame, frame)
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t = w.VideoHandlerThread(0, [cam_handler],
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request_size=(1280, 720),
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high_speed=True,
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fps_limit=240
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)
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t.start()
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SubscriberWindows(window_names=['cammy', 'cammy2'],
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video_sources=[str(0)]
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).loop()
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t.join()
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def test_multi_cams_multi_source(self):
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t1 = w.VideoHandlerThread(0, request_size=(1920, 1080))
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t2 = w.VideoHandlerThread(1, request_size=(1920, 1080))
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t1.start()
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t2.start()
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SubscriberWindows(window_names=['cammy', 'cammy2'],
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video_sources=[0, 1]
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).loop()
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t1.join()
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t1.join()
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