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/* -*- c++ -*- */
/*
* Copyright 2004,2008,2010,2013 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.
*/
// @WARNING@
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <@NAME_IMPL@.h>
#include <algorithm>
#include <gnuradio/io_signature.h>
#include <stdexcept>
namespace gr {
namespace blocks {
@NAME@::sptr
@NAME@::make(const std::vector<@TYPE@> &data,
bool repeat, int vlen,
const std::vector<tag_t> &tags)
{
return gnuradio::get_initial_sptr
(new @NAME_IMPL@(data, repeat, vlen, tags));
}
@NAME_IMPL@::@NAME_IMPL@(const std::vector<@TYPE@> &data,
bool repeat, int vlen,
const std::vector<tag_t> &tags)
: sync_block("@BASE_NAME@",
io_signature::make(0, 0, 0),
io_signature::make(1, 1, sizeof(@TYPE@) * vlen)),
d_data(data),
d_repeat(repeat),
d_offset(0),
d_vlen(vlen),
d_tags(tags),
d_tagpos(0)
{
if(tags.size() == 0) {
d_settags = 0;
}
else {
d_settags = 1;
set_output_multiple(data.size() / vlen);
}
if((data.size() % vlen) != 0)
throw std::invalid_argument("data length must be a multiple of vlen");
}
@NAME_IMPL@::~@NAME_IMPL@()
{}
void
@NAME_IMPL@::set_data (const std::vector<@TYPE@> &data,
const std::vector<tag_t> &tags)
{
d_data = data;
d_tags = tags;
rewind();
if(tags.size() == 0) {
d_settags = false;
}
else {
d_settags = true;
}
}
int
@NAME_IMPL@::work(int noutput_items,
gr_vector_const_void_star &input_items,
gr_vector_void_star &output_items)
{
@TYPE@ *optr = (@TYPE@ *) output_items[0];
if(d_repeat) {
unsigned int size = d_data.size ();
unsigned int offset = d_offset;
if(size == 0)
return -1;
if(d_settags) {
int n_outputitems_per_vector = d_data.size() / d_vlen;
for(int i = 0; i < noutput_items; i += n_outputitems_per_vector) {
// FIXME do proper vector copy
memcpy((void *) optr, (const void*)&d_data[0], size*sizeof (@TYPE@));
optr += size;
for(unsigned t = 0; t < d_tags.size(); t++) {
add_item_tag(0, nitems_written(0)+i+d_tags[t].offset,
d_tags[t].key, d_tags[t].value, d_tags[t].srcid);
}
}
}
else {
for(int i = 0; i < noutput_items*d_vlen; i++) {
optr[i] = d_data[offset++];
if(offset >= size) {
offset = 0;
}
}
}
d_offset = offset;
return noutput_items;
}
else {
if(d_offset >= d_data.size ())
return -1; // Done!
unsigned n = std::min((unsigned)d_data.size() - d_offset,
(unsigned)noutput_items*d_vlen);
for(unsigned i = 0; i < n; i++) {
optr[i] = d_data[d_offset + i];
}
for(unsigned t = 0; t < d_tags.size(); t++) {
if((d_tags[t].offset >= d_offset) && (d_tags[t].offset < d_offset+n))
add_item_tag(0, d_tags[t].offset, d_tags[t].key, d_tags[t].value,
d_tags[t].srcid);
}
d_offset += n;
return n/d_vlen;
}
}
} /* namespace blocks */
} /* namespace gr */
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