Video chat using html5 javascript hibernate - javascript

I have built a chat client which is presently working on javascript, html5 and java (Hibernate). I am planning to add video chat over it. I do not want to add flash, so the only way to obtain webcam access, to my knowledge, was to use HTML5 other than silverlight (not so great reviews) and applet. The problem is how do I send the video stream of one chat user to the server and back to the other chat user who is on the other side of the chat. I have searched and found out that RTSP is not going to be implemented in Chrome. So do I use HTTP for this? If so, could you provide me with some guidelines. If not what are my other options?

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Detect access to camera and/or video from another apps in Electron

We are developing an application using Electron that joins meetings through WebRTC.
We want to know if it is possible to detect when a call from another application (Skype, Facebook, etc.) was received in order to disable the camera and microphone of our application.
Is there an event that we can listen when a call comes in from another application? Or can we know when another application is also using the camera or microphone?
Regards

How does soundcloud web make an android notification

I am talking about this notification:
Somehow SoundCloud (the website) makes this notification appear and it has working controls. I do not have the app installed, that notification originates from com.android.chrome. I don't really need to know this to reproduce it, but I'm curious as to how it accomplishes this and perhaps in what other ways you can use it.
This is accomplished with Chrome Media Notifications. https://developers.google.com/web/updates/2015/07/media-notifications
To get the playback controls, and other information on the notification, you can customise them by providing meta data with the Media Session API. https://developers.google.com/web/updates/2017/02/media-session
When Android is programmed, it gets certain features that allow it to communicate with web hosts and websites. The website will have to be built a certain way that allows it to be communicative, but that seems to be what's happening in this situation.

convert HTML5 to mobile app and use pop out messages

is it possible to convert web (social)network made in HTML5 to mobile app? And then enable pop out messages for android and iOs?
If not, what would you suggest?
I'm trying to make some kind of social network and I'm having trobles deciding how to do it. I'd like to make an app and put it on app store or i-store. I know how to do it with html5 and java script, but I don't know how to convert it in to app and give it function of a pop up messages.
you can search for progressive web app(PWA) development which enables you to do this

Native web-app detecting phone activity

I’m building a web site which will also work as a native web-app using mostly client side technologies.
I was wondering if there is a way to detect a mobile activity using javascript or any other client side trick?
My goal is to be able to stop playing a video while the user answers his call or responds to his text message.
If not through client side then is there a way to do this without having the user install my app?
Thanks a bunch
Moshe S.

How to implement HTML5 audio chat

What are good resources to create dedicated channel audio chat application using html5 web sockets? Is it possible? Actually I'm imaginning to develop a voice chat application using html5 web sockets. Can anyone help me out in this?
Thanks in advance
I don't think that developing a voice chat application with pure html5 is possible at the moment, as most browsers don't support audio recording yet. You'll be able to use navigator.getusermedia (W3C Draft) for that purpose in the future, but AFAIK, this method is not supported by any mainstream browser yet. So I guess, you'll have to fall back to proprietary technology like flash to develop a web based audio chat system that presently works for most users.

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