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

Commit 683a7ff9 authored by Chia-chi Yeh's avatar Chia-chi Yeh Committed by Android (Google) Code Review
Browse files

Merge "Visualizer: Fix the conversion from 8-bit sample to 16-bit sample." into gingerbread

parents ee93169e 67f41771

media/libmedia/Visualizer.cpp

+4 −4
Original line number Diff line number Diff line
@@ -209,8 +209,8 @@ status_t Visualizer::doFft(uint8_t *fft, uint8_t *waveform) 
    int32_t nonzero = 0;



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

        workspace[i >> 1] = (waveform[i] ^ 0x80) << 23;

        workspace[i >> 1] |= (waveform[i + 1] ^ 0x80) << 7;

        workspace[i >> 1] =

                ((waveform[i] ^ 0x80) << 24) | ((waveform[i + 1] ^ 0x80) << 8);

        nonzero |= workspace[i >> 1];

    }
@@ -219,8 +219,8 @@ status_t Visualizer::doFft(uint8_t *fft, uint8_t *waveform) 
    }



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

        fft[i] = workspace[i >> 1] >> 23;

        fft[i + 1] = workspace[i >> 1] >> 7;

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

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

    }



    return NO_ERROR;