Contents

(function($) {
  AblePlayer.prototype.computeEndTime = function(startTime, durationTime) {
    var SECONDS = 0;
    var MINUTES = 1;
    var HOURS = 2;

    var startParts = startTime
      .split(':')
      .reverse()
      .map(function(value) {
        return parseFloat(value);
      });

    var durationParts = durationTime
      .split(':')
      .reverse()
      .map(function(value) {
        return parseFloat(value);
      });

    var endTime = startParts
      .reduce(function(acc, val, index) {
        var sum = val + durationParts[index];

        if (index === SECONDS) {
          if (sum > 60) {
            durationParts[index + 1] += 1;
            sum -= 60;
          }

          sum = sum.toFixed(3);
        }

        if (index === MINUTES) {
          if (sum > 60) {
            durationParts[index + 1] += 1;
            sum -= 60;
          }
        }

        if (sum < 10) {
          sum = '0' + sum;
        }

        acc.push(sum);

        return acc;
      }, [])
      .reverse()
      .join(':');

    return endTime;
  };

  AblePlayer.prototype.ttml2webvtt = function(contents) {
    var thisObj = this;

    var xml = thisObj.convert.xml2json(contents, {
      ignoreComment: true,
      alwaysChildren: true,
      compact: true,
      spaces: 2
    });

    var vttHeader = 'WEBVTT\n\n\n';
    var captions = JSON.parse(xml).tt.body.div.p;

    var vttCaptions = captions.reduce(function(acc, value, index) {
      var text = value._text;
      var isArray = Array.isArray(text);
      var attributes = value._attributes;
      var endTime = thisObj.computeEndTime(attributes.begin, attributes.dur);

      var caption =
        thisObj.computeEndTime(attributes.begin, '00:00:0') +
        ' --> ' +
        thisObj.computeEndTime(attributes.begin, attributes.dur) +
        '\n' +
        (isArray ? text.join('\n') : text) +
        '\n\n';

      return acc + caption;
    }, vttHeader);

    return vttCaptions;
  };
})(jQuery);

Version data entries

2 entries across 2 versions & 1 rubygems

Version	Path
wai-website-theme-1.3.1	assets/ableplayer/scripts/ttml2webvtt.js
wai-website-theme-1.3	assets/ableplayer/scripts/ttml2webvtt.js