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I wonder how to get the direct url of youtube video. For example, when i analyzed the video code of https://www.youtube.com/watch?v=OrTyD7rjBpw
i found some URLs inside the js code of the player, like https://r6---sn-w511uxa-cjoe.googlevideo.com/videoplayback?mt=1440164084&mv=m&ms=au&mm=31&mn=sn-w511uxa-cjoe&upn=ELDhWOVFRzM&id=o-AM6zxCNJwi5l5gjbq_262NpEnieXQ2iQTkGLLDieVKs4&ip=188.77.186.165&sparams=dur%2Cgcr%2Cid%2Cinitcwndbps%2Cip%2Cipbits%2Citag%2Clmt%2Cmime%2Cmm%2Cmn%2Cms%2Cmv%2Cpcm2cms%2Cpl%2Cratebypass%2Crequiressl%2Csource%2Cupn%2Cexpire&fexp=3300113%2C3300134%2C3300137%2C3300164%2C3310699%2C3312381%2C3312531%2C9407535%2C9408710%2C9409069%2C9412877%2C9413010%2C9414935%2C9415365%2C9415417%2C9415485%2C9416023%2C9416105%2C9416126%2C9416522%2C9417353%2C9417707%2C9418060%2C9418153%2C9418203%2C9418449%2C9419675&dur=0.000&initcwndbps=1298750&pl=20&ratebypass=yes&source=youtube&gcr=es&pcm2cms=yes&requiressl=yes&expire=1440185744&mime=video%2Fwebm&key=yt5&ipbits=0&lmt=1365511426344921&sver=3&itag=43
But it doesn't redirect to the youtube video, so i'm thinking that code is more obfuscated
There's a library for that, and a linux tool, called youtube-dl and libquvi, respectively, which support URL extraction from player pages. You can call youtube-dl -g https://www.youtube.com/watch?v=OrTyD7rjBpw to get a URL pointing to the video.
Note that many CDNs won't give you a redistributable URL for a video -- instead, it's a URL that will only work for whoever requested the video.
Also note: there's not "one" video stream at a youtube page, but several ones, for different qualities and devices.
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I barely have any knowledge on web development but got some idea.
What I'm doing
I'm trying to make a Rust program to scrape any link to a media in a website, like how JDownloader 2 does. Not required to find all media, just any media this is simple enough to get.
Problems
Resolving links to media (Blob, Data)
Site that result differently on browser to a single get request (I have some idea that this might need a web driver but I want to have least dependency as much as possible)
Question
How did JDownloader find these media so I can implement it in my crate? (Just enough information to get start)
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Im using Xcode and toying around trying to make my first program. In my program i want it to have a place to insert a URL, then go to the URL fetch the audio from the data on the web page and then add that audio to a playlist in the app.
Along with all of the other excellent iOS resources available on the web, Apple's own developer site has plenty of good documentation and guides. Have a look at this document for some information on playing back an audio/video stream from a URL
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I'm making a video player for iOS Devices. I use a ffmpeg libraries to play the video files. I see the problems that have other video players in the App Store with the AC3 sound support.
I want that my video player don't works with AC3 sound. I'm looking for arguments in the compile script ffmpeg libraries like a --enable-gpl and --enable-nonfree, but not works.
I read the licenses of ffmpeg libraries several times and I think that I don't understand well.
Can someone explain how to do this?
Just add --disable-decoder=ac3 to ffmeg configure arguments.
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Almost all (if not all) videos on YouTube have the "Embed" link below them. Can I always embed other people's videos on my website (stating source and author)? I simply want to include some videos related to my website's topic and was wondering if I can embed Youtube videos in a "Video" section on our website.
I have noted many videos have a "Standard YouTube License", but this is not linked to anything and I'm not sure what this means.
By default you can embed videos.
When someone doesn't want their video to be embeddable, after starting playing video on your site the user would see the message that says something like "this video can't be embeded, go to youtube.com [link to video] " to view it.
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Just by messing around a little it seems that the video stream is not ascii. i tested by downloading the stream. It would be insane if it was. Theres so many videos. So that couldnt be it. Youtube seems to not work with javascript disable (not counting mobile if true).
How is it being done? is it javascript magic? is the SWF running the video through a filter in realtime? (I doubt its a native filter so how is the filter compiled) its really cool. I cant imagine how this is running realtime yet it is!
MPlayer uses AALib for this type of effect. YouTube have probably ported it to ActionScript.