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Commit 47fac46e authored by Marco Nelissen's avatar Marco Nelissen Committed by Android Git Automerger
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am 4b440268: am c929677e: Merge "Increase the number of useful bits in the... 

am 4b440268: am c929677e: Merge "Increase the number of useful bits in the spectrum." into gingerbread

* commit '4b44026879723d924ddc306ea1e330a9e87c3a1c':
  Increase the number of useful bits in the spectrum.
parents 90993438 958c063e

media/libmedia/Visualizer.cpp

+7 −2
Original line number Original line Diff line number Diff line
@@ -219,8 +219,13 @@ status_t Visualizer::doFft(uint8_t *fft, uint8_t *waveform) 
    }

    }





    for (uint32_t i = 0; i < mCaptureSize; i += 2) {

    for (uint32_t i = 0; i < mCaptureSize; i += 2) {

        fft[i] = workspace[i >> 1] >> 24;

        short tmp = workspace[i >> 1] >> 21;

        fft[i + 1] = workspace[i >> 1] >> 8;

        while (tmp > 127 || tmp < -128) tmp >>= 1;

        fft[i] = tmp;

        tmp = workspace[i >> 1];

        tmp >>= 5;

        while (tmp > 127 || tmp < -128) tmp >>= 1;

        fft[i + 1] = tmp;

    }

    }





    return NO_ERROR;

    return NO_ERROR;