How to Extract YouTube Audio URL on an iPhone

I have been working on a JavaScript code that can fetch the direct download URL for videos from the mobile YouTube website.

[webView stringByEvaluatingJavaScriptFromString:@"function getURL() {var player = document.getElementById('player'); var video = player.getElementsByTagName('video')[0]; return video.getAttribute('src');} getURL();"];

Output URL: http://o-o.preferred.seabone-mil1.v22.nonxt2.c.youtube.com/videoplayback?el=results&begin=0&yms=5682703339584930992&itag=18&ip=87.0.0.0&app=youtube_mobile&signature=B8CD6B60D2609F5F137B885806F8FAECAA88492F.333D3F19876A77CECB264059A3852BD021401296&sparams=id%2Cexpire%2Cip%2Cipbits%2Citag%2Csource%2Cratebypass%2Ccp&len=254000&ratebypass=yes&source=youtube&expire=1323579819&sver=3&key=yt1&ipbits=8&cp=U0hRSFVSV19GU0NOMV9NTEFJOmV5Qk5wc3hWaUxG&id=b8e73777013e0b7e&ps=blazer

My goal now is to extract only the audio from the video, but I am facing some challenges with this task. I would appreciate any assistance or guidance on how to achieve this. Thank you!

javascriptobjective-cioscocoa-touch

Answer №1

Hooray, I managed to crack it! I relied on the youtube-mp3.org API and boy, did it deliver. There are several useful threads on Stack Overflow discussing this.

Answer №2

Extracting only the audio from a video on iOS can be a challenging task. While there may be libraries available to assist with this process, it is likely to require some in-depth knowledge and effort.

You might want to explore methods described in Display YouTube Videos Without Exiting Your Application, which demonstrates how to play YouTube videos within an iOS app. By adapting these techniques to hide the video player while still playing the audio, you could achieve your goal of capturing the audio without displaying the video.

I'm not sure what your ultimate objective is with your application, but I hope this suggestion provides some helpful insight for you to consider.

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