recover media error in hls

recoverMediaError.js

video.addEventListener('error', handleVideoEvent);

function handleVideoEvent(evt) {
  let data = '';
  switch(evt.type) {
    case 'error':
      data = Math.round(evt.target.currentTime*1000);
      if(evt.type === 'error') {
        let errorTxt, mediaError=evt.currentTarget.error;
        switch(mediaError.code) {
          case mediaError.MEDIA_ERR_ABORTED:
            errorTxt = 'You aborted the video playback';
            break;
          case mediaError.MEDIA_ERR_DECODE:
            errorTxt = 'The video playback was aborted due to a corruption problem or because the video used features your browser did not support';
            handleMediaError();
            break;
          case mediaError.MEDIA_ERR_NETWORK:
            errorTxt = 'A network error caused the video download to fail part-way';
            break;
          case mediaError.MEDIA_ERR_SRC_NOT_SUPPORTED:
            errorTxt = 'The video could not be loaded, either because the server or network failed or because the format is not supported';
            break;
        }

        if (mediaError.message) {
          errorTxt += ' - ' + mediaError.message;
        }

        logStatus(errorTxt);
        console.error(errorTxt);
      }
      break;
    default:
      break;
  }


function handleMediaError() {
  if(autoRecoverError) {
    let now = performance.now();
    if(!recoverDecodingErrorDate || (now - recoverDecodingErrorDate) > 3000) {
      recoverDecodingErrorDate = performance.now();
      $('#statusOut').append(', trying to recover media error.');
      hls.recoverMediaError();
    } else {
      if(!recoverSwapAudioCodecDate || (now - recoverSwapAudioCodecDate) > 3000) {
        recoverSwapAudioCodecDate = performance.now();
        $('#statusOut').append(', trying to swap audio codec and recover media error.');
        hls.swapAudioCodec();
        hls.recoverMediaError();
      } else {
        $('#statusOut').append(', cannot recover. Last media error recovery failed.');
      }
    }
  }
}