Get QAudioBuffer from QMediaPLayer

Hi, I create stream player based on qmediaplayer and want add peak level meter to it.
i use functions from example recorder and make this:
http://gyazo.com/a45cb3f5dd5a072094d41463ad0b56c3.gif (the image is too large to insert it here, 183kb)


my result left on image, on right what i need

peak level update based on signal from QAudioProbe

Code:

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QAudioProbe *probe = new  QAudioProbe(); 
 connect(probe, SIGNAL(audioBufferProbed(QAudioBuffer)),
                 this, SLOT(processBuffer(QAudioBuffer)));

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i tried emit this signal but it not working;

how to emit this signal or get audiobuffer from player for no use signal and send buffer to processBuffer manualy?

Have you called QAudioProbe::setSource() with your QMediaPlayer? (Almost exactly as in the documentation)

Quote:

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Originally Posted by ChrisW67

Have you called QAudioProbe::setSource() with your QMediaPlayer? (Almost exactly as in the documentation)

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i set source, me need update peak level FASTER