Huang
791d449b6d
git-svn-id: http://svn.eurecom.fr/openair4G/trunk@5085 818b1a75-f10b-46b9-bf7c-635c3b92a50f
26 lines
992 B
C
26 lines
992 B
C
#ifndef _POLYPHASERESAMPLE_H_
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#include <cmath>
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//#include "coeff_3072_to_25.h"
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void buildPolyphaseCache(const int P, const int Q, int *&branch_table, int *&offset_table, const int filter_len = 50000);
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/**
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* @brief polyphase resampler
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* @param in_data input data, layout as [real,imag,real,imag...]
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* @param in_sample_count count of input samples, i.e. a complex
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* cosisting of two short int counts as one
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* @param out_data output data, layout same as in_data
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* @param out_sample_count sample count of result, as return
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* @param filter_coeff filter with only real coeffcients
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* @param filter_len count of coeffcients
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* @param P order of upper sampling
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* @param Q order of down sampling
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**/
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void polyphaseResample(short *in_data, unsigned int in_sample_count,
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short *out_data, unsigned int out_sample_count,
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short *filter_coeff, unsigned int filter_len,
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const int P, const int Q, const unsigned int fix_shift,
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int *branch_table, int *offset_table);
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#endif |