@bbc/react-transcript-editor/dist/Util/timecode-converter/timecodeToSeconds.js

A React component to make transcribing audio and video easier and faster.

/**
 * Helperf unction 
 * @param {*} tc 
 * @param {*} fps 
 */
const timecodeToFrames = function (tc, fps) {
  // TODO make 29.97 fps drop-frame aware - works for 25 only.
  const s = tc.split(':');
  let frames = parseInt(s[3]);
  frames += parseInt(s[2]) * fps;
  frames += parseInt(s[1]) * (fps * 60);
  frames += parseInt(s[0]) * (fps * 60 * 60);
  return frames;
};
/**
 * Convert broadcast timecodes to seconds 
 * @param {*} tc - `hh:mm:ss:ff` 
 * @param {*} framePerSeconds - defaults to 25 if not provided
 */


const timecodeToSecondsHelper = function (tc, framePerSeconds) {
  let fps = 25;

  if (framePerSeconds !== undefined) {
    fps = framePerSeconds;
  }

  const frames = timecodeToFrames(tc, fps);
  return Number(Number(frames / fps).toFixed(2));
};

export default timecodeToSecondsHelper;