@svta/common-media-library/dist/iso/bmff/parsers/ssix.js

A common library for media playback in JavaScript

/**
 * Parse a SubsegmentIndexBox from an IsoView
 *
 * @param view - The IsoView to read data from
 *
 * @returns A parsed SubsegmentIndexBox
 *
 * @group ISOBMFF
 *
 * @beta
 */
export function ssix(view) {
    const { version, flags } = view.readFullBox();
    const subsegmentCount = view.readUint(4);
    const subsegments = view.readEntries(subsegmentCount, () => {
        const rangesCount = view.readUint(4);
        const ranges = view.readEntries(rangesCount, () => ({
            level: view.readUint(1),
            rangeSize: view.readUint(3),
        }));
        return { rangesCount, ranges };
    });
    return {
        version,
        flags,
        subsegmentCount,
        subsegments,
    };
}
;
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