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comparison dsp/rateconversion/Decimator.h @ 247:a98a8fe967c0

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* Add decimation filter for 8x decimation
author Chris Cannam <c.cannam@qmul.ac.uk>
date Thu, 10 Jan 2008 15:14:11 +0000
parents 49844bc8a895
children 5bec06ecc88a
comparison
equal deleted inserted replaced
246:0105e9b916a9 247:a98a8fe967c0
11 #define DECIMATOR_H 11 #define DECIMATOR_H
12 12
13 class Decimator 13 class Decimator
14 { 14 {
15 public: 15 public:
16 void process( double* src, double* dst ); 16 void process( const double* src, double* dst );
17 void doAntiAlias( double* src, double* dst, unsigned int length ); 17 void doAntiAlias( const double* src, double* dst, unsigned int length );
18 18
19 Decimator( unsigned int inLength, unsigned int decFactor ); 19 Decimator( unsigned int inLength, unsigned int decFactor );
20 virtual ~Decimator(); 20 virtual ~Decimator();
21
22 int getFactor() const { return m_decFactor; }
23 static int getHighestSupportedFactor() { return 8; }
21 24
22 private: 25 private:
23 void resetFilter(); 26 void resetFilter();
24 void deInitialise(); 27 void deInitialise();
25 void initialise( unsigned int inLength, unsigned int decFactor ); 28 void initialise( unsigned int inLength, unsigned int decFactor );