How to use the imsc.generateISD function in imsc

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github Dash-Industry-Forum / dash.js / src / streaming / utils / TTMLParser.js View on Github external
}

        content.data = data;

        eventBus.trigger(Events.TTML_TO_PARSE, content);

        const imsc1doc = fromXML(content.data, function (msg) {
            errorMsg = msg;
        }, metadataHandler);

        eventBus.trigger(Events.TTML_PARSED, {ttmlString: content.data, ttmlDoc: imsc1doc});

        const mediaTimeEvents = imsc1doc.getMediaTimeEvents();

        for (i = 0; i < mediaTimeEvents.length; i++) {
            let isd = generateISD(imsc1doc, mediaTimeEvents[i], function (error) {
                errorMsg = error;
            });

            if (isd.contents.some(topLevelContents => topLevelContents.contents.length)) {
                //be sure that mediaTimeEvents values are in the mp4 segment time ranges.
                startTime = (mediaTimeEvents[i] + offsetTime) < startTimeSegment ? startTimeSegment : (mediaTimeEvents[i] + offsetTime);
                endTime = (mediaTimeEvents[i + 1] + offsetTime) > endTimeSegment ? endTimeSegment : (mediaTimeEvents[i + 1] + offsetTime);

                if (startTime < endTime) {
                    captionArray.push({
                        start: startTime,
                        end: endTime,
                        type: 'html',
                        cueID: getCueID(),
                        isd: isd,
                        images: images,

imsc

Renders IMSC documents to HTML5 fragments

BSD-2-Clause
Latest version published 4 months ago

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