How to use the imsc.renderHTML function in imsc

To help you get started, we’ve selected a few imsc examples, based on popular ways it is used in public projects.

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github Dash-Industry-Forum / dash.js / src / streaming / text / TextTracks.js View on Github external
function renderCaption(cue) {
        if (captionContainer) {
            const finalCue = document.createElement('div');
            captionContainer.appendChild(finalCue);
            previousISDState = renderHTML(cue.isd, finalCue, function (uri) {
                const imsc1ImgUrnTester = /^(urn:)(mpeg:[a-z0-9][a-z0-9-]{0,31}:)(subs:)([0-9]+)$/;
                const smpteImgUrnTester = /^#(.*)$/;
                if (imsc1ImgUrnTester.test(uri)) {
                    const match = imsc1ImgUrnTester.exec(uri);
                    const imageId = parseInt(match[4], 10) - 1;
                    const imageData = btoa(cue.images[imageId]);
                    const dataUrl = 'data:image/png;base64,' + imageData;
                    return dataUrl;
                } else if (smpteImgUrnTester.test(uri)) {
                    const match = smpteImgUrnTester.exec(uri);
                    const imageId = match[1];
                    const dataUrl = 'data:image/png;base64,' + cue.embeddedImages[imageId];
                    return dataUrl;
                } else {
                    return null;
                }

imsc

Renders IMSC documents to HTML5 fragments

BSD-2-Clause
Latest version published 4 months ago

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