mirror of
https://github.com/outbackdingo/UltraGrid.git
synced 2026-03-20 11:40:08 +00:00
102 lines
2.1 KiB
C++
102 lines
2.1 KiB
C++
#include <stdio.h>
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#include "bandwidth_widget.hpp"
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#include "utils/string_view_utils.hpp"
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namespace {
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QString getBitrateStr(long long bitsPerSecond){
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static constexpr std::string_view units = "kMG";
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float num = bitsPerSecond;
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char unit = ' ';
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for(unsigned i = 0; num > 1000 && i < units.size(); i++){
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unit = units[i];
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num /= 1000;
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}
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return QString::number(num, 'f', 2) + " " + unit + "bps";
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}
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}
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BandwidthWidget::BandwidthWidget(QWidget *parent) : QLabel(parent){
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elapsedTimer.start();
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reset();
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QObject::connect(&timer, &QTimer::timeout, this, &BandwidthWidget::timeout);
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timer.setInterval(timeout_msec);
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}
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void BandwidthWidget::updateVal(){
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reports.remove_timed_out(timeout_msec, elapsedTimer.elapsed());
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if(!isEnabled()){
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setText("-- bps");
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setToolTip("");
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return;
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}
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long long total = 0;
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QString tooltip;
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for(const auto& i : reports.get()){
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total += i.item.bitsPerSecond;
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tooltip += QString::number(i.ssrc, 16)
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+ " (" + QString::fromStdString(i.item.type) + "): "
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+ getBitrateStr(i.item.bitsPerSecond) + "\n";
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}
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if(tooltip.endsWith('\n'))
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tooltip.chop(1);
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setToolTip(tooltip);
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setText(getBitrateStr(total));
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timer.start();
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}
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void BandwidthWidget::parseLine(std::string_view line){
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static constexpr std::string_view prefix = "stats tx_send";
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if(!sv_is_prefix(line, prefix))
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return;
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line.remove_prefix(prefix.size());
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auto ssrc_sv = tokenize(line, ' ');
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if(ssrc_sv.substr(0, 2) == "0x")
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ssrc_sv.remove_prefix(2);
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auto type = tokenize(line, ' ');
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auto bytes_sv = tokenize(line, ' ');
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long long bytes = 0;
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uint32_t ssrc = 0;
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if(!parse_num(bytes_sv, bytes)
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|| !parse_num(ssrc_sv, ssrc, 16))
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{
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return;
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}
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BandwidthReport report = {};
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report.bitsPerSecond = 0;
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report.type = type;
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for(const auto& r : reports.get()){
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if(r.ssrc != ssrc)
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continue;
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auto duration = std::max<qint64>(elapsedTimer.elapsed() - r.timestamp, 1);
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report.bitsPerSecond = bytes * 8 * 1000 / duration;
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}
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reports.insert(ssrc, report, elapsedTimer.elapsed());
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updateVal();
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}
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void BandwidthWidget::reset(){
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reports.clear();
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updateVal();
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timer.stop();
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}
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void BandwidthWidget::timeout(){
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reset();
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}
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