60 lines
1.4 KiB
Python
60 lines
1.4 KiB
Python
"""
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音频文件解析工具
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用于解析音频文件的元数据信息，如时长、采样率、编码格式等
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"""
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import json
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import shutil
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import subprocess
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def get_audio_duration(file_path: str) -> int:
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"""
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获取音频文件时长（秒）
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使用 ffprobe 读取音频时长
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Args:
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file_path: 音频文件的完整路径
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Returns:
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音频时长（秒），如果解析失败返回0
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支持格式：
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- MP3 (.mp3)
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- M4A (.m4a)
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- MP4 (.mp4)
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- WAV (.wav)
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- OGG (.ogg)
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- FLAC (.flac)
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- 以及 ffprobe 支持的其他音频格式
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"""
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ffprobe_path = shutil.which("ffprobe")
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if not ffprobe_path:
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return 0
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try:
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completed = subprocess.run(
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[
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ffprobe_path,
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"-v",
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"error",
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"-print_format",
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"json",
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"-show_format",
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str(file_path),
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],
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check=False,
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capture_output=True,
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text=True,
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)
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if completed.returncode == 0 and completed.stdout:
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payload = json.loads(completed.stdout)
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duration_value = (payload.get("format") or {}).get("duration")
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if duration_value:
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return int(float(duration_value))
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except Exception as e:
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print(f"ffprobe 获取音频时长失败 ({file_path}): {e}")
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return 0
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