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chelder
chelder

Reputation: 3987

HTML5 / Javascript client code to record from microphone to send it to IceCast / ShoutCast server? Another solution without desktop software?

I'm trying to help this open radio station guys: radioqk.org. However I'm quite new about the topic of streaming and radio servers. I'm quite surprised that all what I found is about a desktop software clients (eg. Sam broadcaster, Butt, Radittcast, DarkSnow...). However they are confusing to configure. So we are trying to embed it on their website to make it easier to stream from any part of the World to any stream server (eg. giss.tv, caster.fm, listen2myradio.com...)

I have read that it's not possible at the moment, because there is no way to make a streaming HTTP PUT request.

However, if I have understood well, it is possible with liquidsoap.fm because its server support the webcast.js protocol, using the following code: https://github.com/webcast/webcaster

On the other hand, I have search php code able to record from microphone to store it on the server. Or maybe it's about HTML5 and its new function getUserMedia()? It seems it was difficult a few months ago, but now it is possible so:

  1. Is there any live-streaming service with the client integrated so it can record from the user's computer microphone / sound card? I mean, is there a similar service like giss.tv able to record from the user's computer microphone / sound card?
  2. If I'm right, IceCast is the most common opensource implementation of radio streaming. Is there any implementation of IceCast able to record from the user's computer microphone / sound card?

By the way, the idea is integrating it in a WordPress server. That's why I have based the search on PHP (I have not found a WordPress plugin able to solve this problem). However it could be done in another language / server to embed it into WordPress afterwards.

Finally, a workaround could be the following article that talk about including on the website a hyperlink to a Java-coded VNC viewer to take a desktop application to the web in 15 Minutes. In the VNC server side would be any of the desktop software available we have talk about above.

Any light about this topic? I'm quite confused about what path I should take...

Upvotes: 0

Views: 961

Answers (1)

Brad
Brad

Reputation: 163232

I have read that it's not possible at the moment, because there is no way to make a streaming HTTP PUT request.

That's correct. In the very near future we'll have Streams support in the Fetch API, which gets around this issue. In the mean time, it isn't possible directly.

As I mentioned in the post you linked to, you can use a binary websocket connection. That's what the Liquidsoap webcast.js uses... a binary web socket, and a server that supports it. Liquidsoap supports their own protocol, so you can use this to then stream to a server like Icecast.

Is there any live-streaming service with the client integrated so it can record from the user's computer microphone / sound card?

I run the AudioPump Web Encoder, which acts as a go-between for web based clients and your servers. The web-based client can be configured in the URL, so the users don't need to do anything. This might meet your needs.

If I'm right, IceCast is the most common opensource implementation of radio streaming. Is there any implementation of IceCast able to record from the user's computer microphone / sound card?

Yes, Icecast is a popular open source server. But, the server itself cannot and should not be what is recording the audio. You wouldn't want to run the server in the same place as you're doing the encoding... otherwise you'd need all your bandwidth there. The encoder is separate from the server so that you can encode in one place, upload one stream, and then the server distribute it to thousands.

Upvotes: 1

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