RSS audio enclosures have length of zero (podcast duration is missing)

I have had success at creating an RSS feed with enclosures containing episodes of my podcast by simply creating a post and inserting an mp3 file from my media library into it via the robust Add Media functionality of the post editor. However, I have found that the RSS feed created from these posts includes an enclosure for each mp3 file with its length attribute set to zero:

enclosure url=http://example.com/wp-content/uploads/2020/05/myfile.mp3 length=0 type=audio/mpeg /

How can I set the length attribute of the enclosure so that it is accurate?

I am not interested in changing the format of my posts, so any plugin-based solution should not require a significantly different workflow when posting.

Topic podcasting audio rss media Wordpress

Category Web

1
answered at

The enclosure tag will implement via the function rss_enclosure. This function has the filter hook rss_enclosure. So you can change the result via this hook.

Here is a longer post about the how-to for audio files, this should help you.

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