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pqAutomationApp/docs/UCD-API文档/examples/work_with_video_capturer.py

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2026-07-02 17:16:18 +08:00
#
# Import UniTAP module.
#
import UniTAP
#
# To initialize UniTAP library wrapper user should create UniTAP.TsiLib() object.
#
lUniTAP = UniTAP.TsiLib()
#
# For opening device, please, put serial number of the device as 8 symbol str or put index of device.
#
# dev = lUniTAP.open("NNNNNNNN")
dev = lUniTAP.open(0)
# After opening device as in UCD Console device role should be selected.
# For UCD-500 available following roles:
# UniTAP.dev.UCD500.DPSourceDPSink, USBCSourceUSBCSink, DPSourceUSBCSink and USBCSourceDPSink
role = dev.select_role(UniTAP.dev.UCD500.DPSourceDPSink)
# First variant of capturing = set frame count number
role.dprx.video_capturer.start(frames_count=1, stream_number=1)
role.dprx.video_capturer.stop()
result = role.dprx.video_capturer.capture_result
# Second variant of capturing = set number of second
# role.dprx.video_capturer.start(sec=1)
# role.dprx.video_capturer.stop()
# result = role.dprx.video_capturer.capture_result
# Third variant of capturing = capturing with user's stop command (without predefined number of frames or second)
# role.dprx.video_capturer.start()
# result = role.dprx.video_capturer.pop_element_as_result_object()
# role.dprx.video_capturer.stop()
# Save captured frames
# file_format - BIN, PPM and BMP
# path - full path to save the image
# index - index of captured image
result.save_image_to_file(file_format=UniTAP.PictureFileFormat.BMP,
path="image.bmp",
index=0)
#
# Since the 3.5 version, TsiLib and TSIDevice objects have the option to be closed earlier.
# TSIDevice can be closed with the TsiLib method close(). TsiLib can be closed with cleanup().
# Clean up will close all opened devices and block ability to open any devices
# with same TsiLib object.
#
lUniTAP.close(dev)
lUniTAP.cleanup()