Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit 958c063e authored by Marco Nelissen's avatar Marco Nelissen Committed by Android Git Automerger
Browse files

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

* commit 'c929677e017759047d94599faa1b80ebe278fefb':
  Increase the number of useful bits in the spectrum.
parents 05adea42 47f44fb9

media/libmedia/Visualizer.cpp

+7 −2
Original line number 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) {

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

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

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

        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;