rorappandClaude Opus 5.5
f90b7df31c
ci / test (push) Successful in 24s
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
22 lines
667 B
Python
22 lines
667 B
Python
"""Hilfen für Audio (WAV-Dauer, Real-Time-Factor)."""
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from __future__ import annotations
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import io
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import wave
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def wav_duration(data: bytes) -> float:
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"""Dauer einer WAV-Datei in Sekunden; 0.0 wenn keine gültige WAV."""
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try:
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with wave.open(io.BytesIO(data)) as w:
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rate = w.getframerate()
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return w.getnframes() / rate if rate else 0.0
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except (wave.Error, EOFError):
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return 0.0
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def rtf(seconds_compute: float, seconds_audio: float) -> float | None:
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"""Real-Time-Factor: Rechenzeit ÷ Audiolänge (< 1 = schneller als Echtzeit)."""
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return seconds_compute / seconds_audio if seconds_audio > 0 else None
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