MP4 文件格式规范 [英] MP4 File Format Specification

问题描述

我正在编写一些代码来解析 MP4 文件...

I am writing some code to parse MP4 files ...

是否有免费资源来获取有关 MP4 文件格式规范的文档.到目前为止，我只找到了一个我需要购买的 ISO 文档 ISO PDF.MP4 不是开放标准吗?

Is there a free source to get documentation on the MP4 File Format Specification. So far I have only found an ISO document which I would need to purchase ISO PDF. Is MP4 Not an open standard ?

推荐答案

这里是 ISO基本格式规范，这里是MP4 文件格式规范，均定义为 ISO/IEC 的一部分14496 标准.

Here's the specification of the ISO base format, and here is the MP4 file format specification, both defined as part of the ISO/IEC 14496 standard.

还请查看 QuickTime MP4 规范.解释得很清楚.

Also take a look at the QuickTime MP4 specification. It has a very clear explanation.

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