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

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This commit is contained in:
Chia-chi Yeh
2010-11-29 22:56:56 -08:00
committed by Android (Google) Code Review
parent ee93169ed1 67f41771d5
commit 683a7ff922
1 changed files with 4 additions and 4 deletions
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8
media/libmedia/Visualizer.cpp
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@@ -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;