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pass a ratio to RageSoundResampler_Polyphase, not sample rates

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This commit is contained in:
Glenn Maynard
2006-11-28 21:37:12 +00:00
parent c7436c81fd
commit 00cc972d30
1 changed files with 12 additions and 10 deletions
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stepmania/src/RageSoundReader_Resample_Good.cpp
+12 -10
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@@ -438,16 +438,9 @@ namespace PolyphaseFilterCache
class RageSoundResampler_Polyphase
{
public:
RageSoundResampler_Polyphase( int iSourceRate, int iDestRate )
RageSoundResampler_Polyphase( int iUpFactor, int iDownFactor )
{
int iUpFactor = iDestRate;
m_iDownFactor = iSourceRate;
{
int iGCD = GCD( iUpFactor, m_iDownFactor );
iUpFactor /= iGCD;
m_iDownFactor /= iGCD;
}
m_iDownFactor = iDownFactor;
float fCutoffFrequency;
{
@@ -520,9 +513,18 @@ void RageSoundReader_Resample_Good::ReopenResampler()
for( size_t iChannel = 0; iChannel < m_apResamplers.size(); ++iChannel )
delete m_apResamplers[iChannel];
m_apResamplers.clear();
int iDownFactor = m_pSource->GetSampleRate();
int iUpFactor = m_iSampleRate;
{
int iGCD = GCD( iUpFactor, iDownFactor );
iUpFactor /= iGCD;
iDownFactor /= iGCD;
}
for( size_t iChannel = 0; iChannel < m_pSource->GetNumChannels(); ++iChannel )
{
RageSoundResampler_Polyphase *p = new RageSoundResampler_Polyphase( m_pSource->GetSampleRate(), m_iSampleRate );
RageSoundResampler_Polyphase *p = new RageSoundResampler_Polyphase( iUpFactor, iDownFactor );
m_apResamplers.push_back( p );
}
}