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mediasoup-client v3

JavaScript client side library for building mediasoup based applications.

Website and Documentation

Support Forum

Usage Example

import { Device } from 'mediasoup-client';
import mySignaling from './my-signaling'; // Our own signaling stuff.

// Create a device (use browser auto-detection).
const device = new Device();

// Communicate with our server app to retrieve router RTP capabilities.
const routerRtpCapabilities = await mySignaling.request('getRouterCapabilities');

// Load the device with the router RTP capabilities.
await device.load({ routerRtpCapabilities });

// Check whether we can produce video to the router.
if (!device.canProduce('video'))
{
  console.warn('cannot produce video');

  // Abort next steps.
}

// Create a transport in the server for sending our media through it.
const { 
  id, 
  iceParameters, 
  iceCandidates, 
  dtlsParameters,
  sctpParameters
} = await mySignaling.request(
  'createTransport',
  {
    sctpCapabilities : device.sctpCapabilities
  });

// Create the local representation of our server-side transport.
const sendTransport = device.createSendTransport(
  {
    id, 
    iceParameters, 
    iceCandidates, 
    dtlsParameters,
    sctpParameters
  });

// Set transport "connect" event handler.
sendTransport.on('connect', async ({ dtlsParameters }, callback, errback) =>
{
  // Here we must communicate our local parameters to our remote transport.
  try
  {
    await mySignaling.request(
      'transport-connect',
      {
        transportId: sendTransport.id,
        dtlsParameters
      });

    // Done in the server, tell our transport.
    callback();
  }
  catch (error)
  {
    // Something was wrong in server side.
    errback(error);
  }
});

// Set transport "produce" event handler.
sendTransport.on(
  'produce',
  async ({ kind, rtpParameters, appData }, callback, errback) =>
  {
    // Here we must communicate our local parameters to our remote transport.
    try
    {
      const { id } = await mySignaling.request(
        'produce',
        { 
          transportId : sendTransport.id,
          kind,
          rtpParameters,
          appData
        });

      // Done in the server, pass the response to our transport.
      callback({ id });
    }
    catch (error)
    {
      // Something was wrong in server side.
      errback(error);
    }
  });

// Set transport "producedata" event handler.
sendTransport.on(
  'producedata',
  async ({ sctpStreamParameters, label, protocol, appData }, callback, errback) =>
  {
    // Here we must communicate our local parameters to our remote transport.
    try
    {
      const { id } = await mySignaling.request(
        'produceData',
        { 
          transportId : sendTransport.id,
          sctpStreamParameters,
          label,
          protocol,
          appData
        });

      // Done in the server, pass the response to our transport.
      callback({ id });
    }
    catch (error)
    {
      // Something was wrong in server side.
      errback(error);
    }
  });

// Produce our webcam video.
const stream = await navigator.mediaDevices.getUserMedia({ video: true });
const webcamTrack = stream.getVideoTracks()[0];
const webcamProducer = await sendTransport.produce({ track: webcamTrack });

// Produce data (DataChannel).
const dataProducer =
  await sendTransport.produceData({ ordered: true, label: 'foo' });

Authors

License

ISC