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/* -*- c++ -*- */
/*
* Copyright 2004 Free Software Foundation, Inc.
*
* This file is part of GNU Radio
*
* GNU Radio is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 3, or (at your option)
* any later version.
*
* GNU Radio is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with GNU Radio; see the file COPYING. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street,
* Boston, MA 02110-1301, USA.
*/
#ifndef INCLUDED_DAB_SELECT_VECTORS_IMPL_H
#define INCLUDED_DAB_SELECT_VECTORS_IMPL_H
#include <dab/select_vectors.h>
namespace gr {
namespace dab {
/*! \brief select a row of vectors
*
* input1: vector of size length*itemsize
* input2: char stream with triggers for start of transmission frame
*
* output1: vector of size length*itemsize
* output2: same as input2
*
* selects a row of vectors of the transmission frame; start of a transmission frame is triggerd by input2
*
* @param itemsize sizeof input and outputstream of port 0
* @param length vector length
* @param num_select number of vectors to select
* @param num_skip number of vectors to skip before selection of num_select vectors
*
*/
class select_vectors_impl : public select_vectors {
private:
size_t d_itemsize;
unsigned int d_length;
unsigned int d_num_select;
unsigned int d_num_skip;
unsigned int d_index;
public:
select_vectors_impl(size_t itemsize, unsigned int length, unsigned int num_select, unsigned int num_skip);
void forecast(int noutput_items, gr_vector_int &ninput_items_required);
int general_work(int noutput_items,
gr_vector_int &ninput_items,
gr_vector_const_void_star &input_items,
gr_vector_void_star &output_items);
};
}
}
#endif /* INCLUDED_DAB_SELECT_VECTORS_H */
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