52 lines
No EOL
1.5 KiB
Python
52 lines
No EOL
1.5 KiB
Python
#!/usr/bin/env python3
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import os
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import subprocess
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import datetime
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import pytz
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OUTDIR = "chunks_unprocessed"
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DURATION = 10800 # 3 Stunden
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SOURCE = "pulse" # funktioniert mit PulseAudio
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os.makedirs(OUTDIR, exist_ok=True)
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def get_next_section_start(now):
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hour = now.hour
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next_boundary = (hour // 3 + 1) * 3
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if next_boundary >= 24:
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next_time = now.replace(day=now.day, hour=0, minute=0, second=0, microsecond=0) + datetime.timedelta(days=1)
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else:
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next_time = now.replace(hour=next_boundary, minute=0, second=0, microsecond=0)
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return next_time
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def record_section():
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tz = pytz.timezone("Europe/Berlin")
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now = datetime.datetime.now(tz)
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timestamp = now.strftime("%Y%m%d-%H%M%S")
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filename = os.path.join(OUTDIR, f"{timestamp}.flac")
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print(f"🎙️ Starte Aufnahme: {filename}")
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next_start = get_next_section_start(now)
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duration_seconds = int((next_start - now).total_seconds())
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cmd = [
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"ffmpeg",
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"-f", "pulse",
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"-i", "alsa_input.usb-HANMUS_USB_AUDIO_24BIT_2I2O_1612310-00.analog-stereo",
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"-ac", "1",
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"-ar", "96000",
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"-sample_fmt", "s32", # gerät kann nur 24bit, aber flac kann nur 32bit container
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"-t", str(duration_seconds),
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"-c:a", "flac",
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"-compression_level", "12",
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filename
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]
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subprocess.run(cmd)
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print(f"✅ Aufnahme abgeschlossen: {filename}")
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def main():
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while True:
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record_section()
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if __name__ == "__main__":
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main() |