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Delete decode_ltc.py
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1 changed files with 0 additions and 39 deletions
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import subprocess
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import time
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import shutil
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# Check tools
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if not shutil.which("ltcdump") or not shutil.which("ffmpeg"):
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print("❌ Required tools not found. Please ensure ffmpeg and ltcdump are installed.")
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exit(1)
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print("🕰️ Starting LTC timecode reader (refreshes every second)...\n")
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try:
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while True:
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# Capture 1 second of audio and pipe into ltcdump
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ffmpeg = subprocess.Popen(
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["ffmpeg", "-f", "alsa", "-i", "hw:1", "-t", "1", "-f", "s16le", "-ac", "1", "-ar", "48000", "-"],
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stdout=subprocess.PIPE,
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stderr=subprocess.DEVNULL
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)
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ltcdump = subprocess.Popen(
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["ltcdump", "-f", "-"],
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stdin=ffmpeg.stdout,
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stdout=subprocess.PIPE,
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stderr=subprocess.DEVNULL
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)
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ffmpeg.stdout.close()
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output, _ = ltcdump.communicate()
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# Extract and print LTC timecode
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lines = output.decode().splitlines()
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if lines:
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print(f"\r⏱️ LTC: {lines[-1]}", end="")
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else:
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print("\r⚠️ No LTC decoded...", end="")
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time.sleep(1)
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except KeyboardInterrupt:
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print("\n🛑 Stopped by user.")
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