UWP apps - Data streaming

Question

UWP apps - Data streaming

Madhu 96

Hi,

We have two UWP apps. We have a requirement that we need to broadcast one UWP app screen recording to the other UWP app. (One app is for the Teacher and the other app is for the Student. We need to share the Teacher's UWP app screen inside the Student's UWP app).
We can capture the screen using Windows.Graphics.Capture or Windows.Media.AppRecording. And we can play the video stream in the Student app using MediaPlayerElement. We are trying to figure out the best way to stream this recording between the apps. It'll be very helpful if you can share what are the options we have to stream that video capture to the other UWP app.

Thanks
Madhu

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Answer accepted by question author

Anonymous

Hello,

Welcome to Microsoft Q&A!

You could try to use StreamSocket to share the data between two apps. Using a StreamSocket and a StreamSocketListener sending and receiving data over TCP to form a client and server. You'll need to declare an app capability- privateNetworkClientServer in your project.

You could get more detailed information about how to use StreamSocket here: Sockets.

You could also get a sample about SteamSocket here: StreamSocket

Thank you.

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Madhu 96 Reputation points

2020-10-08T10:36:14.763+00:00

Thanks @Anonymous If we use sockets we need to know the IPs of the devices we have to connect. But I am not sure whether it is possible to know the IPs of different devices in the pubic.
Note : The students will be at home due to the Covid situation. So they are no at the School/Training center so the streaming has to be done over the internet. (It's not in a LAN)
Any thoughts on that?

Thanks
Madhu
Anonymous

2020-10-09T05:47:36.143+00:00

anonymous user-8808 Based on the scenario you said, I agree with you about the concern. A possible way is that you might need to build a server on the internet, The student client and the teacher client will connect to the server together. The teacher client will send audio data to the server and the server will send these data to the student client. You could use WebSockets to do that.

Another choice is that you could find a ready-made frame to do it. You could open your favorite search engine and search for Web Real-Time Communications. There should be third-party SDKs that meet your requirement.
Madhu 96 Reputation points

2020-10-09T08:01:51.54+00:00

Thanks @Anonymous we'll have a look at those options. Thank you very much.
Anonymous

2020-10-13T02:22:28.61+00:00

If my reply helps you, you could accept it as answer. If you have other questions, please feel free to contact us.
Nimalika 21 Reputation points

2020-10-13T12:46:02.093+00:00

Hi,

We tried UWP Web Socket sample. (https://github.com/Microsoft/Windows-universal-samples/tree/master/Samples/WebSocket) by setting up the server. It worked fine with one UWP app. We tried to run two instances of UWP app and connect to the server. But when we tried that it seems even we create the web socket with the same URL the second app is not connecting to the same socket but to a new instance. Any idea how we can use the same socket to connect from multiple UWP clients?

Thank you.

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Your answer

Madhu 96 Reputation points

2020-10-08T10:36:14.763+00:00

Thanks @Anonymous If we use sockets we need to know the IPs of the devices we have to connect. But I am not sure whether it is possible to know the IPs of different devices in the pubic.
Note : The students will be at home due to the Covid situation. So they are no at the School/Training center so the streaming has to be done over the internet. (It's not in a LAN)
Any thoughts on that?

Thanks
Madhu
Anonymous

2020-10-09T05:47:36.143+00:00

anonymous user-8808 Based on the scenario you said, I agree with you about the concern. A possible way is that you might need to build a server on the internet, The student client and the teacher client will connect to the server together. The teacher client will send audio data to the server and the server will send these data to the student client. You could use WebSockets to do that.

Another choice is that you could find a ready-made frame to do it. You could open your favorite search engine and search for Web Real-Time Communications. There should be third-party SDKs that meet your requirement.
Madhu 96 Reputation points

2020-10-09T08:01:51.54+00:00

Thanks @Anonymous we'll have a look at those options. Thank you very much.
Anonymous

2020-10-13T02:22:28.61+00:00

If my reply helps you, you could accept it as answer. If you have other questions, please feel free to contact us.
Nimalika 21 Reputation points

2020-10-13T12:46:02.093+00:00

Hi,

We tried UWP Web Socket sample. (https://github.com/Microsoft/Windows-universal-samples/tree/master/Samples/WebSocket) by setting up the server. It worked fine with one UWP app. We tried to run two instances of UWP app and connect to the server. But when we tried that it seems even we create the web socket with the same URL the second app is not connecting to the same socket but to a new instance. Any idea how we can use the same socket to connect from multiple UWP clients?

Thank you.

Answer 1

HoneyBee 186

Hello.

I am in a similar situation with you.

We need to share the Teacher's UWP app screen inside the student's app(android, web....).

Could you give me any hints on how you solved this problem?

Madhu 96 Reputation points

2021-01-12T14:05:02.043+00:00

@HoneyBee We didn't find a proper way to do it. :-(
HoneyBee 186 Reputation points

2021-01-12T15:14:36.337+00:00

I'm so sad.
Why isn't Microsoft actively helping with WebRTC and UWP? Maybe there are other alternatives and I don't know? :-(
Madhu 96 Reputation points

2021-01-12T15:20:57.843+00:00

We couldn't find a way to do it from UWP to UWP without delays. So gave up doing that. Because many libraries don't support UWP even if they support iOS/Android.

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UWP apps - Data streaming

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