title: Qt MediaPlayer play audio from memory
body: <p>I'm developing music player for Symbians and need to play raw audio data (PCM) from phone memory.
  I tried QAudioOutput, which works fine (through Qbuffer - iherits QIODevice), but it is too much low-level API and therefore not suitable for me. So I found Phonon and QMediaPlayer.
  I can't get Phonon to work neither on my phone nor on Windows. However, on Windows i can play files but not QBuffers... strange.</p>
  
  <p>However, now I want to use QMediaPlayer but havent found a way to play raw data from memory. There is only QUrl constructor of QMediaContent.</p>
  
  <p>Is there any option how to play on QMediaPlayer from QBuffer, QDataStream, QByteArray... anything from memory?</p>
  
  <p>Any suggestions would be great, thanks :).</p>