Android audio streaming is not working on samsung devices

Question

I am working on online radio app, i am using media player for audio streaming. it's working fine with almost all the devices but it's streaming on Samsung s3/s4/s5/s6/s7 Devices. here is my code

        mediaPlayer = new MediaPlayer();
        mediaPlayer.setDataSource(str_url);
        mediaPlayer.setAudioStreamType(AudioManager.STREAM_MUSIC);
        mediaPlayer.prepare();
        mediaPlayer.setOnPreparedListener(new MediaPlayer.OnPreparedListener() {
            @Override
            public void onPrepared(MediaPlayer mp) {
                mediaPlayer.start();
            }
        });