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/* -*- c++ -*- */
/*
* Copyright 2008 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_CONCATENATE_SIGNALS_H
#define INCLUDED_DAB_CONCATENATE_SIGNALS_H
#include <gr_block.h>
class dab_concatenate_signals;
typedef boost::shared_ptr<dab_concatenate_signals> dab_concatenate_signals_sptr;
dab_concatenate_signals_sptr dab_make_concatenate_signals (size_t itemsize);
/*!
* \brief Concatenate all input signals in time
*
* \ingroup flow
* \param itemsize size of input and output items
*
* output: first input stream, as long as it has samples, then second input stream, etc...
*
* Note: Altough this block works with simple vectors, it seems that samples
* get lost when more complicated blocks are used.
*/
class dab_concatenate_signals : public gr_block
{
private:
friend dab_concatenate_signals_sptr dab_make_concatenate_signals (size_t itemsize);
dab_concatenate_signals (size_t itemsize);
size_t d_itemsize;
unsigned int d_current_signal;
unsigned int d_callmetwice;
public:
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);
void reset() { d_current_signal=0; }
};
#endif
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