This is a bit rough (as I keep saying, I'm not a Python programmer), but I've used it on a Pi 2B to record a set of fixed length video files with a time/date/ID caption on the video.
Feel free to do what you like with it, it is based on some of the examples.
There may be better ways to do it.
Feel free to do what you like with it, it is based on some of the examples.
There may be better ways to do it.
Code:
#!/usr/bin/python3import cv2from picamera2 import MappedArray, Picamera2from picamera2.encoders import H264Encoder, Qualityfrom picamera2.outputs import FileOutput, FfmpegOutputimport timeimport sys# Parameterscount = 4 # Number of videos to recordlength = 60 # Video length in minutesdestdir = "/home/rpdom/"size="640x480" # Available 640x480, 1640x1232, 1920x1080, 3280x2464width = 640height = 480vidnum = 1picam2 = Picamera2()picam2.configure(picam2.create_video_configuration(main={"size": (width, height)}))# Caption datacolour = (0, 255, 0) # Font colourorigin_time = (width - 145, 70)origin_date = (width - 208, 30)origin_name = (0, 30)font = cv2.FONT_HERSHEY_SIMPLEXscale = 1thickness = 2start_timestamp = Nonedef apply_timestamp(request): global start_timestamp, vidnum with MappedArray(request, "main") as m: cv2.putText(m.array, "Camera 1", origin_name, font, scale, colour, thickness) # Camera name caption cv2.putText(m.array, time.strftime("%d/%m/%Y"), origin_date, font, scale, colour, thickness) # Date caption cv2.putText(m.array, time.strftime("%H:%M:%S"), origin_time, font, scale, colour, thickness) # Time captionpicam2.pre_callback = apply_timestampencoder = H264Encoder()picam2.start()try: while ( vidnum <= count ): filename = time.strftime("%Y%m%d-%H%M.mp4") # Filename will be YYYYMMDD-HHMM.mp4 print(f"File: {filename} Part: {vidnum}", flush=True) output = FfmpegOutput(destdir + '/' + filename) picam2.start_recording(encoder, output) time.sleep(length * 60) picam2.stop_recording() vidnum += 1except: print("Something went wrong?")picam2.stop()print("Finished")Statistics: Posted by rpdom — Sat Dec 28, 2024 4:59 pm