@svta/common-media-library/dist/cmaf/ham/services/validators/validateTracks.js

A common library for media playback in JavaScript

import { validateTrack } from './validateTrack.js';
/**
 * Validate a list of tracks.
 * It validates in cascade, calling each child validation method.
 *
 * @example
 * ```ts
 * import cmaf, { Track } from '@svta/common-media-library/cmaf-ham';
 * ...
 *
 * // const tracks: Track[] = ...;
 *
 * const validation = cmaf.validateTracks(tracks);
 * ```
 *
 * Example output: `{ status: true|false, errorMessages: [...] }`
 *
 * @param tracks - List of Track from cmaf ham model
 * @param switchingSetId - Optional: parent switching set id
 * @param prevValidation - Optional: validation object from parent previous validate method call
 * @returns Validation
 *
 * @group CMAF
 * @alpha
 *
 */
export function validateTracks(tracks, switchingSetId, prevValidation) {
    const validation = prevValidation !== null && prevValidation !== void 0 ? prevValidation : {
        status: true,
        errorMessages: [],
    };
    const moreInformation = switchingSetId
        ? ` in the switching set with id = ${switchingSetId}`
        : '.';
    let tracksDuration;
    tracks.forEach((track) => {
        if (!tracksDuration) {
            tracksDuration = track.duration;
        }
        if (tracksDuration !== track.duration) {
            validation.status = false;
            validation.errorMessages.push(`All the tracks must have the same duration${moreInformation}`);
        }
        validateTrack(track, switchingSetId, validation);
    });
    return validation;
}
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