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

A common library for media playback in JavaScript

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.tfhd = tfhd;
/**
 * Parse a TrackFragmentHeaderBox from an IsoView
 *
 * @param view - The IsoView to read data from
 *
 * @returns A parsed TrackFragmentHeaderBox
 *
 * @group ISOBMFF
 *
 * @beta
 */
function tfhd(view) {
    const { version, flags } = view.readFullBox();
    return {
        version,
        flags,
        trackId: view.readUint(4),
        baseDataOffset: flags & 0x01 ? view.readUint(8) : undefined,
        sampleDescriptionIndex: flags & 0x02 ? view.readUint(4) : undefined,
        defaultSampleDuration: flags & 0x08 ? view.readUint(4) : undefined,
        defaultSampleSize: flags & 0x10 ? view.readUint(4) : undefined,
        defaultSampleFlags: flags & 0x20 ? view.readUint(4) : undefined,
    };
}
;
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