Converts OnlineTvRecorder cutlists to m3u format, to play with VLC-Player, set the starttime to change the beginning of the video. Internally this converts the cutlist-format to a json representation and thus makes it possible to be the starting point for further transformations.

convertCutlistToM3u.js

function convertCutlistToM3u(cutlist, starttime = null) {
    var obj = {};
    var lastKey;
    cutlist.split(/\n\n?/).forEach(l => {
        var [, key] = l.match(/\[(.*)]/) || [];
        if (key) {
            obj[key] = {}
            lastKey = key;
        } else {
            var [prop, val] = l.split("=");
            obj[lastKey][prop] = val;
        }
    })
    var cutArray = Array.from(Object.keys(obj))
        .filter(key => key.startsWith("Cut"))
        .map(key => Object.assign({}, obj[key]));
    Object.keys(obj)
        .filter(key => key.startsWith("Cut"))
        .forEach(key => delete obj[key]);
    obj.Cut = cutArray;

    obj.Cut.forEach(cut => {
        for (const prop in cut) {
            cut[prop] = parseFloat(cut[prop]);
        }
    })

	var offset = starttime ? obj.Cut[0].Start - starttime : 0;
    return obj.Cut.map(i => "#EXTVLCOPT:start-time=" + (i.Start - offset) + "\n#EXTVLCOPT:stop-time=" + (i.Start + i.Duration - offset) + "\n" + obj.General.ApplyToFile).join("\n");
}