How to download youtube videos for iphone - using objective-c programmatically [duplicate]

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Possible Duplicate:

Save Youtube video to iPhone in the app

I want to download and save a youtube video from a given yo开发者_JS百科utube video link, programmatically. Can anyone point to some sample app. Help appreciated.

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Does the AVAssetWriter class help you at all?

http://developer.apple.com/library/ios/#documentation/AVFoundation/Reference/AVAssetWriter_Class/Reference/Reference.html

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Check out which URL and algorithm I used: https://github.com/H2CO3/PwnTube

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Not a problem:

Here is my example:

I used PSYouTubeExtractor.h class by Peter Steinberger It can get youtube mp4 video url and than downloading and viewing is not a problem