mVisualizer.setDataCaptureListener(new Visualizer.OnDataCaptureListener() {
            @Override
            public void onWaveFormDataCapture(Visualizer visualizer, byte[] waveform, int samplingRate) {
                Log.d(TAG,"visualizer1"+mVisualizer.getWaveForm(waveform));
                playVisualCallback.onWaveFormDataCapture(visualizer, waveform, samplingRate);
            }

            @Override
            public void onFftDataCapture(Visualizer visualizer, byte[] fft, int samplingRate) {
                Log.d(TAG, "visualizer2" + mVisualizer.getFft(fft));
                playVisualCallback.onFftDataCapture(visualizer,fft, samplingRate);
            }
        },Visualizer.getMaxCaptureRate() / 2, true, false);