How to use

generateAudioSessionIdV21

method

in

com.google.android.exoplayer2.C

@Override
public void initPlayer(final boolean playOnReady) {
  super.initPlayer(playOnReady);
  // Setup video view
  simpleExoPlayer.setVideoSurfaceView(surfaceView);
  simpleExoPlayer.addVideoListener(this);
  // Setup subtitle view
  simpleExoPlayer.addTextOutput(cues -> subtitleView.onCues(cues));
  // Setup audio session with onboard equalizer
  if (Build.VERSION.SDK_INT >= 21) {
    trackSelector.setParameters(trackSelector.buildUponParameters()
        .setTunnelingAudioSessionId(C.generateAudioSessionIdV21(context)));
  }
}

trackSelector.setTunnelingAudioSessionId(C.generateAudioSessionIdV21(this));