def capture_extra_quality_snapshot(): # Force FFmpeg to extract a keyframe at native resolution cmd = [ "ffmpeg", "-rtsp_transport", "tcp", "-i", CAM_RTSP, "-frames:v", "1", "-vf", "scale=3840:2160", # Native 4K "-qscale:v", "2", # Very high JPEG quality (2-31, lower is better) "-update", "1", "/tmp/hq_snap.jpg" ] subprocess.run(cmd, check=True, timeout=10)
os.remove("/tmp/hq_snap.jpg") if == " main ": capture_extra_quality_snapshot() ip camera qr telegram extra quality work
How to Build a Pro-Level Surveillance System That Works Smarter, Not Harder # Native 4K "-qscale:v"
Enter .
# Send via Telegram bot = Bot(token=TELEGRAM_TOKEN) with open("/tmp/hq_snap.jpg", "rb") as photo: bot.send_photo(chat_id=CHAT_ID, photo=photo, caption="📸 High Quality Alert - Keyframe captured") # Very high JPEG quality (2-31