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| author | Sergio Martins <sergio.martins@kdab.com> | 2015-03-28 17:26:20 +0000 |
|---|---|---|
| committer | Sérgio Martins <sergio.martins@kdab.com> | 2015-03-28 18:01:13 +0000 |
| commit | 14e80dc2d3a99608c559991072eb41446f7b7754 (patch) | |
| tree | f404f4ec9f9fc819d6ae4cf8ad0385bad33eb924 | |
| parent | 08058f8483bd1a681edc9aa0d31d3d28a96349b7 (diff) | |
| download | qtmultimedia-14e80dc2d3a99608c559991072eb41446f7b7754.tar.gz | |
Fix QNX 6.6 build by using qSqrt() and qLn()
spectrumanalyser.cpp: In member function 'void SpectrumAnalyserThread::calculateSpectrum(const QByteArray&, int, int)':
spectrumanalyser.cpp:138:59: error: 'sqrt' was not declared in this scope
Change-Id: Ib43c693d73d2342059092094cfc3f48a0f73b4bc
Reviewed-by: Giuseppe D'Angelo <giuseppe.dangelo@kdab.com>
| -rw-r--r-- | examples/multimedia/spectrum/app/spectrumanalyser.cpp | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/examples/multimedia/spectrum/app/spectrumanalyser.cpp b/examples/multimedia/spectrum/app/spectrumanalyser.cpp index e8a9f8dcb..6199221d1 100644 --- a/examples/multimedia/spectrum/app/spectrumanalyser.cpp +++ b/examples/multimedia/spectrum/app/spectrumanalyser.cpp @@ -135,8 +135,8 @@ void SpectrumAnalyserThread::calculateSpectrum(const QByteArray &buffer, if (i>0 && i<m_numSamples/2) imag = m_output[m_numSamples/2 + i]; - const qreal magnitude = sqrt(real*real + imag*imag); - qreal amplitude = SpectrumAnalyserMultiplier * log(magnitude); + const qreal magnitude = qSqrt(real*real + imag*imag); + qreal amplitude = SpectrumAnalyserMultiplier * qLn(magnitude); // Bound amplitude to [0.0, 1.0] m_spectrum[i].clipped = (amplitude > 1.0); |