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/*
Copyright (C) 2016 Matthias P. Braendli (http://www.opendigitalradio.org)
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/>.
Authors:
Matthias P. Braendli <matthias@mpb.li>
*/
#include "repetitionrate.hpp"
#include <vector>
#include <map>
#include <unordered_set>
using namespace std;
const double frame_duration = 24e-3;
struct FIGTypeExt {
int figtype;
int figextension;
bool operator<(const FIGTypeExt& other) const {
if (this->figtype == other.figtype) {
return this->figextension < other.figextension;
}
else {
return this->figtype < other.figtype ;
}
}
};
struct FIGRateInfo {
// List of frame numbers in which the FIG is present
vector<int> frames_present;
// List of frame numbers in which a complete DB for that FIG has been sent
vector<int> frames_complete;
// Which FIBs this FIG was seen in
unordered_set<int> in_fib;
};
static map<FIGTypeExt, FIGRateInfo> fig_rates;
static int current_frame_number = 0;
static int current_fib = 0;
void rate_announce_fig(int figtype, int figextension, bool complete)
{
FIGTypeExt f = {.figtype = figtype, .figextension = figextension};
if (fig_rates.count(f) == 0) {
FIGRateInfo rate;
fig_rates[f] = rate;
}
FIGRateInfo& rate = fig_rates[f];
rate.frames_present.push_back(current_frame_number);
if (complete) {
rate.frames_complete.push_back(current_frame_number);
}
rate.in_fib.insert(current_fib);
}
void rate_disply_analysis()
{
printf("FIG carousel analysis. Format:\n"
" average FIGs per second (total count, delta variance in frames)\n"
" average complete FIGs per second (total count, delta variance in frames)\n");
for (auto& fig_rate : fig_rates) {
auto& frames_present = fig_rate.second.frames_present;
auto& frames_complete = fig_rate.second.frames_complete;
const size_t n_present = frames_present.size();
const size_t n_complete = frames_complete.size();
if (n_present and n_complete) {
double average_present_interval =
(double)(frames_present.back() - frames_present.front()) /
(double)(frames_present.size() - 1);
double average_complete_interval =
(double)(frames_complete.back() - frames_complete.front()) /
(double)(frames_complete.size() - 1);
double variance_of_delta_present = 0;
for (size_t i = 1; i < frames_present.size(); i++) {
double s =
(double)(frames_present[i] - frames_present[i-1]) -
average_present_interval;
variance_of_delta_present += s * s;
}
variance_of_delta_present /= frames_present.size();
double variance_of_delta_complete = 0;
for (size_t i = 1; i < frames_complete.size(); i++) {
double s =
(double)(frames_complete[i] - frames_complete[i-1]) -
average_complete_interval;
variance_of_delta_complete += s * s;
}
variance_of_delta_complete /= frames_complete.size();
const double n_present_per_second =
(double)n_present / (double)current_frame_number / frame_duration;
const double n_complete_per_second =
(double)n_complete / (double)current_frame_number / frame_duration;
printf("FIG%2d/%2d %2.2f (%6zu %2.2f) %2.2f (%6zu %2.2f)\n",
fig_rate.first.figtype, fig_rate.first.figextension,
n_present_per_second, n_present, variance_of_delta_present,
n_complete_per_second, n_complete, variance_of_delta_complete);
}
else {
printf("FIG%2d/%2d 0\n",
fig_rate.first.figtype, fig_rate.first.figextension);
}
}
}
void rate_new_fib(int fib)
{
if (fib == 0) {
current_frame_number++;
}
current_fib = fib;
}
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