From 6b6a736ec71c692c165952fe653a7766075e94bb Mon Sep 17 00:00:00 2001 From: Chia-chi Yeh Date: Mon, 1 Nov 2010 10:56:45 +0800 Subject: Visualizer: Fix the conversion from 8-bit sample to 16-bit sample. Change-Id: Ie6d77b0f61a37333e05cdcdb6ef29d6f6c345a9d --- media/libmedia/Visualizer.cpp | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) (limited to 'media/libmedia/Visualizer.cpp') diff --git a/media/libmedia/Visualizer.cpp b/media/libmedia/Visualizer.cpp index 68f2e9b..a660429 100644 --- a/media/libmedia/Visualizer.cpp +++ b/media/libmedia/Visualizer.cpp @@ -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; -- cgit v1.1