osmo-trx/Transceiver52M/Channelizer.h

35 lines
1.0 KiB
C++

#ifndef _CHANNELIZER_RX_H_
#define _CHANNELIZER_RX_H_
#include "ChannelizerBase.h"
class Channelizer : public ChannelizerBase {
public:
/** Constructor for channelizing filter bank
@param m number of physical channels
@param blockLen number of samples per output of each iteration
@param hLen number of taps in each constituent filter path
*/
Channelizer(size_t m, size_t blockLen, size_t hLen = 16);
~Channelizer();
/* Return required input and output buffer lengths */
size_t inputLen() const;
size_t outputLen() const;
/** Rotate "input commutator" and drive samples through filterbank
@param in complex input vector
@param iLen number of samples in buffer (must match block length)
@return false on error and true otherwise
*/
bool rotate(const float *in, size_t iLen);
/** Get buffer for an output path
@param chan channel number of filterbank
@return NULL on error and pointer to buffer otherwise
*/
float *outputBuffer(size_t chan) const;
};
#endif /* _CHANNELIZER_RX_H_ */