Tim Schilling | IuK
77 lines
2.2 KiB
Python
77 lines
2.2 KiB
Python
import os
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import time
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import RPi.GPIO as GPIO
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from subprocess import Popen, call
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import sys
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os.system('sudo chvt 1')
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# Pfade zu den Dateien
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THUMBNAIL_IMAGE = "/home/tim/PiVideo/videos/thumb.jpg"
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TRIGGER_VIDEO = "/home/tim/PiVideo/videos/trigger.mp4"
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LOG_FILE = "/home/tim/PiVideo/log.txt"
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# GPIO-Einstellungen
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BUTTON_PIN = 17
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GPIO.setmode(GPIO.BCM)
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GPIO.setup(BUTTON_PIN, GPIO.IN, pull_up_down=GPIO.PUD_UP)
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# Umleitung der Ausgaben in eine Log-Datei
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sys.stdout = open(LOG_FILE, "a")
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sys.stderr = open(LOG_FILE, "a")
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def log_message(message):
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"""Schreibt eine Nachricht in die Log-Datei."""
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timestamp = time.strftime("%Y-%m-%d %H:%M:%S", time.localtime())
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print(f"{timestamp} - {message}")
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sys.stdout.flush()
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def show_thumbnail(image_path):
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"""Zeigt das Thumbnail an."""
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log_message(f"Displaying thumbnail: {image_path}")
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call(['sudo', 'fbi', '-T', '1', '-d', '/dev/fb0', '-a','-noverbose', image_path])
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def close_thumbnail():
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"""Beendet fbi, um das Thumbnail zu schließen."""
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log_message("Closing thumbnail.")
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call(['sudo', 'killall', 'fbi'])
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def play_video(video_path):
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"""Spielt das Trigger-Video ab."""
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log_message(f"Playing video: {video_path}")
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p = Popen(['cvlc', '--play-and-exit', '--fullscreen', '--no-video-title-show', video_path])
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p.wait()
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def main():
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log_message("Starting main loop.")
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try:
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while True:
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# Thumbnail anzeigen
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show_thumbnail(THUMBNAIL_IMAGE)
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# Warten, bis der Button gedrückt wird
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while GPIO.input(BUTTON_PIN) == GPIO.HIGH:
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time.sleep(0.1)
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# Video abspielen, wenn Button gedrückt wurde
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log_message("Button pressed, playing trigger video.")
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play_video(TRIGGER_VIDEO)
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# fbi schließen, bevor das Video abgespielt wird
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close_thumbnail()
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# Nach dem Video wieder Thumbnail anzeigen
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log_message("Trigger video finished, displaying thumbnail again.")
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except KeyboardInterrupt:
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log_message("Script interrupted by user.")
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finally:
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GPIO.cleanup()
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log_message("GPIO cleanup completed. Exiting script.")
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if __name__ == "__main__":
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log_message("Script started.")
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main()
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