mp3文件的时间长度 [英] time length of an mp3 file

问题描述

不使用外部库确定给定mp3文件长度(以秒为单位)的最简单方法是什么? (高度赞赏python源)

What is the simplest way to determine the length (in seconds) of a given mp3 file, without using outside libraries? (python source highly appreciated)

推荐答案

您可以使用 pymad .它是一个外部库，但不要落入此处未发明"陷阱.您不希望使用任何外部库的任何特殊原因?

You can use pymad. It's an external library, but don't fall for the Not Invented Here trap. Any particular reason you don't want any external libraries?

import mad

mf = mad.MadFile("foo.mp3")
track_length_in_milliseconds = mf.total_time()    

在此处发现.

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如果您真的不想使用外部库，请在此处进行检查知道他是如何做到的.警告:这很复杂.

If you really don't want to use an external library, have a look here and check out how he's done it. Warning: it's complicated.

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