fusebox-powerpress.php

<?php
  function wpp_get_media_URL() {
    if ( function_exists( 'powerpress_get_enclosure_data' ) ) {
      $episodeData = powerpress_get_enclosure_data( get_the_ID() );
      if ( ! empty( $episodeData['url'] ) ) {
        return $episodeData['url'];
      }
    }

    return false;
  }

  function wpp_fusebox_insert( $content ) {

    // No player in the Feed!
    if (is_feed() ) {
      return $content;
    }

    $url = wpp_get_media_URL();

    if ( $url ) {
      $format = '[fusebox_track_player url="%s" title="%s"]';
      return  do_shortcode( sprintf( $format, $url, get_the_title() ) ). $content;
    }

    return $content;
  }

  add_filter( 'the_content', 'wpp_fusebox_insert', 100 );