[Webkit-unassigned] [Bug 198015] Cannot play audio created from blob

bugzilla-daemon at webkit.org bugzilla-daemon at webkit.org
Mon May 27 10:57:20 PDT 2019


--- Comment #6 from jordan.michael.last at gmail.com ---
The example I created above indeed works on all of the iOS devices I have tested. Ideally I wouldn't need to use a <source> element to specify the mime type, and indeed it is possible to create a blob and pass the mime type in. For example, if you store an mp3 file as an arraybuffer, and want to create an object URL from it:

// arrayBuffer is a variable that has already been defined, which holds mp3 audio

const blob = new Blob([arrayBuffer], { type: 'audio/mpeg' });

const objectURL = window.URL.createObjectURL(blob);

You can then set the src of an audio element to objectURL. This works on the two iOS devices that I have tested. I believe it is a solution to the StackOverflow questions.

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