Mercurial > hg > vamp-tempogram
changeset 32:023d12fb71b1
Some sample rate / parameter combinations result in min bin > max bin -- reject them
| author | Chris Cannam |
|---|---|
| date | Thu, 04 Sep 2014 10:08:47 +0100 |
| parents | f795b84c1ff2 |
| children | a824d7d14eb9 |
| files | TempogramPlugin.cpp |
| diffstat | 1 files changed, 20 insertions(+), 0 deletions(-) [+] |
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--- a/TempogramPlugin.cpp Thu Sep 04 10:08:09 2014 +0100 +++ b/TempogramPlugin.cpp Thu Sep 04 10:08:47 2014 +0100 @@ -601,9 +601,29 @@ float tempogramInputSampleRate = (float)m_inputSampleRate/m_inputStepSize; m_tempogramMinBin = (max((int)floor(((m_tempogramMinBPM/60)/tempogramInputSampleRate)*m_tempogramFftLength), 0)); m_tempogramMaxBin = (min((int)ceil(((m_tempogramMaxBPM/60)/tempogramInputSampleRate)*m_tempogramFftLength), (int)(m_tempogramFftLength/2))); + + if (m_tempogramMaxBin < m_tempogramMinBin) { + cerr << "At audio sample rate " << m_inputSampleRate + << ", tempogram sample rate " << tempogramInputSampleRate + << " with bpm range " << m_tempogramMinBPM << " -> " + << m_tempogramMaxBPM << ", min bin = " << m_tempogramMinBin + << " > max bin " << m_tempogramMaxBin + << ": can't proceed, failing initialise" << endl; + return false; + } m_tempogramMinLag = max((int)ceil((60/(m_inputStepSize * m_tempogramMaxBPM))*m_inputSampleRate), 0); m_tempogramMaxLag = min((int)floor((60/(m_inputStepSize * m_tempogramMinBPM))*m_inputSampleRate), (int)m_tempogramWindowLength); + + if (m_tempogramMaxLag < m_tempogramMinLag) { + cerr << "At audio sample rate " << m_inputSampleRate + << ", tempogram sample rate " << tempogramInputSampleRate + << " with bpm range " << m_tempogramMinBPM << " -> " + << m_tempogramMaxBPM << ", min bin = " << m_tempogramMinLag + << " > max bin " << m_tempogramMaxLag + << ": can't proceed, failing initialise" << endl; + return false; + } if (m_tempogramMinBPM > m_cyclicTempogramMinBPM) m_cyclicTempogramMinBPM = m_tempogramMinBPM; //m_cyclicTempogram can't be less than default = 30 float cyclicTempogramMaxBPM = 480;