media-stream-player/dist/esm/utils/fetchSDP.js

Player built on top of media-stream-library

import { WsSdpPipeline, } from 'media-stream-library';
export const fetchSDP = (wsURI, rtspURI) => {
    const pipeline = new WsSdpPipeline({
        ws: { uri: wsURI },
        rtsp: { uri: rtspURI },
    });
    return pipeline.sdp.finally(() => {
        pipeline.close();
    });
};
export const fetchTransformationMatrix = (basis, wsURI, rtspURI) => {
    return fetchSDP(wsURI, rtspURI).then((sdp) => {
        const videoMedia = sdp.media.find((media) => {
            return media.type === 'video';
        });
        if (videoMedia === undefined) {
            return Promise.reject('Media seems to have no video track');
        }
        const transform = videoMedia.transform;
        const sensorTransform = videoMedia['x-sensor-transform'];
        if (basis === 'sensor') {
            return sensorTransform !== null && sensorTransform !== void 0 ? sensorTransform : transform;
        }
        return transform;
    });
};
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