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//
// Copyright 2011 Ettus Research LLC
//
// This program 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 of the License, or
// (at your option) any later version.
//
// This program 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 this program. If not, see <http://www.gnu.org/licenses/>.
//
#include <uhd/convert.hpp>
#include <uhd/utils/log.hpp>
#include <uhd/utils/static.hpp>
#include <uhd/types/dict.hpp>
#include <uhd/exception.hpp>
#include <boost/cstdint.hpp>
#include <boost/format.hpp>
#include <boost/foreach.hpp>
#include <complex>
using namespace uhd;
convert::converter::~converter(void){
/* NOP */
}
bool convert::operator==(const convert::id_type &lhs, const convert::id_type &rhs){
return true
and (lhs.input_format == rhs.input_format)
and (lhs.num_inputs == rhs.num_inputs)
and (lhs.output_format == rhs.output_format)
and (lhs.num_outputs == rhs.num_outputs)
;
}
std::string convert::id_type::to_pp_string(void) const{
return str(boost::format(
"conversion ID\n"
" Input format: %s\n"
" Num inputs: %d\n"
" Output format: %s\n"
" Num outputs: %d\n"
)
% this->input_format
% this->num_inputs
% this->output_format
% this->num_outputs
);
}
std::string convert::id_type::to_string(void) const{
return str(boost::format("%s (%d) -> %s (%d)")
% this->input_format
% this->num_inputs
% this->output_format
% this->num_outputs
);
}
/***********************************************************************
* Setup the table registry
**********************************************************************/
typedef uhd::dict<convert::id_type, uhd::dict<convert::priority_type, convert::function_type> > fcn_table_type;
UHD_SINGLETON_FCN(fcn_table_type, get_table);
/***********************************************************************
* The registry functions
**********************************************************************/
void uhd::convert::register_converter(
const id_type &id,
const function_type &fcn,
const priority_type prio
){
get_table()[id][prio] = fcn;
//----------------------------------------------------------------//
UHD_LOGV(always) << "register_converter: " << id.to_pp_string() << std::endl
<< " prio: " << prio << std::endl
<< std::endl
;
//----------------------------------------------------------------//
}
/***********************************************************************
* The converter functions
**********************************************************************/
convert::function_type convert::get_converter(
const id_type &id,
const priority_type prio
){
if (not get_table().has_key(id)) throw uhd::key_error(
"Cannot find a conversion routine for " + id.to_pp_string());
//find a matching priority
priority_type best_prio = -1;
BOOST_FOREACH(priority_type prio_i, get_table()[id].keys()){
if (prio_i == prio) {
//----------------------------------------------------------------//
UHD_LOGV(always) << "get_converter: For converter ID: " << id.to_pp_string() << std::endl
<< "Using prio: " << prio << std::endl
<< std::endl
;
//----------------------------------------------------------------//
return get_table()[id][prio];
}
best_prio = std::max(best_prio, prio_i);
}
//wanted a specific prio, didnt find
if (prio != -1) throw uhd::key_error(
"Cannot find a conversion routine [with prio] for " + id.to_pp_string());
//----------------------------------------------------------------//
UHD_LOGV(always) << "get_converter: For converter ID: " << id.to_pp_string() << std::endl
<< "Using prio: " << best_prio << std::endl
<< std::endl
;
//----------------------------------------------------------------//
//otherwise, return best prio
return get_table()[id][best_prio];
}
/***********************************************************************
* Mappings for item format to byte size for all items we can
**********************************************************************/
typedef uhd::dict<std::string, size_t> item_size_type;
UHD_SINGLETON_FCN(item_size_type, get_item_size_table);
void convert::register_bytes_per_item(
const std::string &format, const size_t size
){
get_item_size_table()[format] = size;
}
size_t convert::get_bytes_per_item(const std::string &format){
if (get_item_size_table().has_key(format)) return get_item_size_table()[format];
//OK. I am sorry about this.
//We didnt find a match, so lets find a match for the first term.
//This is partially a hack because of the way I append strings.
//But as long as life is kind, we can keep this.
const size_t pos = format.find("_");
if (pos != std::string::npos){
return get_bytes_per_item(format.substr(0, pos));
}
throw uhd::key_error("Cannot find an item size:\n" + format);
}
UHD_STATIC_BLOCK(convert_register_item_sizes){
//register standard complex types
convert::register_bytes_per_item("fc64", sizeof(std::complex<double>));
convert::register_bytes_per_item("fc32", sizeof(std::complex<float>));
convert::register_bytes_per_item("sc64", sizeof(std::complex<boost::int64_t>));
convert::register_bytes_per_item("sc32", sizeof(std::complex<boost::int32_t>));
convert::register_bytes_per_item("sc16", sizeof(std::complex<boost::int16_t>));
convert::register_bytes_per_item("sc12", 3 * sizeof(std::complex<boost::int8_t>));
convert::register_bytes_per_item("sc8", sizeof(std::complex<boost::int8_t>));
//register standard real types
convert::register_bytes_per_item("f64", sizeof(double));
convert::register_bytes_per_item("f32", sizeof(float));
convert::register_bytes_per_item("s64", sizeof(boost::int64_t));
convert::register_bytes_per_item("s32", sizeof(boost::int32_t));
convert::register_bytes_per_item("s16", sizeof(boost::int16_t));
convert::register_bytes_per_item("s8", sizeof(boost::int8_t));
convert::register_bytes_per_item("u8", sizeof(boost::uint8_t));
//register VITA types
convert::register_bytes_per_item("item32", sizeof(boost::int32_t));
}
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