public function update_videopress_media_item( $request ) {
    $this->authenticate_user();

    $id     = $request['post_id'];
    $status = $request['status'];
    $format = $request['format'];
    $info   = $request['info'];

    if ( ! $attachment = get_post( $id ) ) {
      return false;
    }

    $attachment->guid = $info['original'];

    wp_update_post( $attachment );

    // Update the vp guid and set it to a direct meta property.
    update_post_meta( $id, 'videopress_guid', $info['guid'] );

    $meta = wp_get_attachment_metadata( $id );

    $meta['width']             = $info['width'];
    $meta['height']            = $info['height'];
    $meta['original']['url']   = $info['original'];
    $meta['videopress']        = $info;
    $meta['videopress']['url'] = 'https://videopress.com/v/' . $info['guid'];

    // Update file statuses
    $valid_formats = array( 'hd', 'ogg', 'mp4', 'dvd' );
    if ( in_array( $format, $valid_formats ) ) {
      $meta['file_statuses'][ $format ] = $status;
    }

    if ( ! get_post_meta( $id, '_thumbnail_id', true ) ) {
      // Update the poster in the VideoPress info.
      $thumbnail_id = videopress_download_poster_image( $info['poster'], $id );

      if ( is_int( $thumbnail_id ) ) {
        update_post_meta( $id, '_thumbnail_id', $thumbnail_id );
      }
    }

    wp_update_attachment_metadata( $id, $meta );

    videopress_update_meta_data( $id );

    // update the meta to tell us that we're processing or complete
    update_post_meta( $id, 'videopress_status', videopress_is_finished_processing( $id ) ? 'complete' : 'processing' );

    return true;
  }