mediasfu-reactnative-expo
Version:
mediasfu-reactnative-expo – Expo-managed React Native WebRTC SDK for video conferencing, webinars, live streaming, broadcast, screen sharing, whiteboard, chat, recording, live subtitles, translation, and AI agent rooms on iOS, Android, and web. Prebuilt r
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JavaScript
import { createSendTransport as sharedCreateSendTransport } from 'mediasfu-shared';
const createLocalSendTransport = async ({ option, parameters, }) => {
try {
let { islevel, member, socket, localSocket, device, localProducerTransport, localTransportCreated, updateLocalProducerTransport, updateLocalTransportCreated, connectSendTransport, } = parameters;
if (!localSocket || !localSocket.id || socket.id === localSocket.id) {
return;
}
localSocket.emit('createWebRtcTransport', { consumer: false, islevel }, async ({ params }) => {
if (params && params.error) {
console.error('Error in local createWebRtcTransport:', params.error);
return;
}
// Create local send transport
localProducerTransport = await device.createSendTransport(params);
if (updateLocalProducerTransport) {
updateLocalProducerTransport(localProducerTransport);
}
// Handle local transport events
localProducerTransport.on('connect', async ({ dtlsParameters }, callback, errback) => {
try {
localSocket.emit('transport-connect', { dtlsParameters });
callback();
}
catch (error) {
errback(error);
}
});
localProducerTransport.on('produce', async (parameters, callback, errback) => {
try {
localSocket.emit('transport-produce', {
kind: parameters.kind,
rtpParameters: parameters.rtpParameters,
appData: parameters.appData,
islevel,
name: member,
}, ({ id }) => callback({ id }));
}
catch (error) {
errback(error);
}
});
localProducerTransport.on('connectionstatechange', (state) => {
if (state === 'failed') {
console.error('Local transport connection failed.');
if (localProducerTransport) {
localProducerTransport.close();
}
}
});
// Mark local transport as created
localTransportCreated = true;
updateLocalTransportCreated?.(localTransportCreated);
// connect local transport
await connectSendTransport({
targetOption: 'local',
option,
parameters: { ...parameters, localProducerTransport: localProducerTransport },
});
});
}
catch (error) {
console.error('Error creating local send transport:', error);
}
};
/**
* Creates a WebRTC send transport and sets up event handlers for the transport.
*
* Supports both primary and local transports with modular handling.
*
* @param {CreateSendTransportOptions} options - The options for creating the send transport.
* @param {string} options.option - The type of transport to create.
* @param {CreateSendTransportParameters} options.parameters - The parameters required for creating the transport.
* @param {string} options.parameters.islevel - The level of the transport.
* @param {string} options.parameters.member - The member name for the transport.
* @param {Socket} options.parameters.socket - The primary socket instance.
* @param {Device} options.parameters.device - The device instance.
* @param {Transport | null} options.parameters.producerTransport - The primary producer transport object.
* @param {boolean} options.parameters.transportCreated - The state of the primary transport creation.
* @param {(transport: Transport | null) => void} options.parameters.updateProducerTransport - The function to update the primary transport object.
* @param {(state: boolean) => void} options.parameters.updateTransportCreated - The function to update the primary transport creation state.
* @param {Function} options.parameters.connectSendTransport - The function to connect the send transport.
* @param {Function} options.parameters.getUpdatedAllParams - The function to get updated parameters.
* @param {Socket} [options.parameters.localSocket] - The local socket instance.
* @param {Transport | null} [options.parameters.localProducerTransport] - The local producer transport object.
* @param {boolean} [options.parameters.localTransportCreated] - The state of the local transport creation.
* @param {(localTransport: Transport | null) => void} [options.parameters.updateLocalProducerTransport] - The function to update the local transport object.
* @param {(state: boolean) => void} [options.parameters.updateLocalTransportCreated] - The function to update the local transport creation state.
* @returns {Promise<void>} A promise that resolves when the send transport is created and configured.
*
* @throws Will throw an error if there is an issue creating the send transport.
*
* @example
* const options = {
* option: 'video',
* parameters: {
* islevel: '1',
* member: 'John Doe',
* socket: socketInstance,
* localSocket: localSocketInstance,
* device: deviceInstance,
* producerTransport: null,
* localProducerTransport: null,
* transportCreated: false,
* localTransportCreated: false,
* updateProducerTransport: (transport) => console.log('Primary transport updated:', transport),
* updateLocalProducerTransport: (transport) => console.log('Local transport updated:', transport),
* updateTransportCreated: (state) => console.log('Primary transport created:', state),
* updateLocalTransportCreated: (state) => console.log('Local transport created:', state),
* },
* };
*
* createSendTransport(options)
* .then(() => console.log('Send transport created successfully'))
* .catch((error) => console.error('Error creating send transport:', error));
*/
export const createSendTransport = async (options) => {
await sharedCreateSendTransport(options);
};
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