RecvReportWidget Class Reference

#include <recv_report.hpp>

Inheritance diagram for RecvReportWidget:

Collaboration diagram for RecvReportWidget:

Classes
struct	RecvReport

Public Member Functions
	RecvReportWidget (QWidget *parent=nullptr)
	~RecvReportWidget ()=default
void	parseLine (std::string_view line)
void	reset ()
void	updateVal ()

Private Slots
void	timeout ()

Private Attributes
QElapsedTimer	elapsedTimer
SSRC_container< RecvReport, decltype(elapsedTimer.elapsed())>	reports
const int	timeout_msec = 15000
QTimer	timer

Detailed Description

Definition at line 13 of file recv_report.hpp.

Constructor & Destructor Documentation

RecvReportWidget()

RecvReportWidget::RecvReportWidget

(

QWidget *

parent = nullptr

)

Definition at line 9 of file recv_report.cpp.

                                                  : QProgressBar(parent){
        elapsedTimer.start();
        reset();
        QObject::connect(&timer, &QTimer::timeout, this, &RecvReportWidget::timeout);
        timer.setInterval(timeout_msec);
#if defined(Q_OS_WIN) || defined(Q_OS_MACOS)
        setStyle(QStyleFactory::create("Fusion")); //mac style progressbars have no text
#endif
}

References elapsedTimer, reset(), timeout(), timeout_msec, and timer.

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~RecvReportWidget()

RecvReportWidget::~RecvReportWidget ( )

default

Member Function Documentation

parseLine()

void RecvReportWidget::parseLine

(

std::string_view

line

)

Definition at line 30 of file recv_report.cpp.

                                                   {
        if(!sv_is_prefix(line, "Receiver of 0x"))
                return;
 
        auto tmp = std::string(line);
        int ssrc = 0;
        int rtt = 0;
        float loss = 0;
        int packets;
        sscanf(tmp.c_str(), "Receiver of 0x%08x reports RTT=%d usec, loss %f%% (out of %d)", &ssrc, &rtt, &loss, &packets);
 
        RecvReport report;
        report.total = packets;
        report.lost = packets * (loss / 100.f);
        report.rtt_usec = rtt;
        
        reports.insert(ssrc, report, elapsedTimer.elapsed());
        updateVal();
}

References elapsedTimer, loss, RecvReportWidget::RecvReport::lost, reports, RecvReportWidget::RecvReport::rtt_usec, sv_is_prefix(), RecvReportWidget::RecvReport::total, and updateVal().

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reset()

void RecvReportWidget::reset

(

)

Definition at line 19 of file recv_report.cpp.

                            {
        reports.clear();
        timer.stop();
        setRange(0, 100);
        setValue(0);
        setFormat("No receiver report");
        setTextVisible(true);
        setToolTip("No RTCP receiver report. Note that this does not necessarily mean"
                        " that the receiver isn't receiving.");
}

References reports, and timer.

Referenced by RecvReportWidget().

timeout

void RecvReportWidget::timeout ( )

privateslot

Definition at line 77 of file recv_report.cpp.

                              {
        setValue(0);
        setFormat("Receiver report timed out");
        setToolTip("Receiver reports stopped arriving");
}

Referenced by RecvReportWidget().

updateVal()

void RecvReportWidget::updateVal

(

)

Definition at line 50 of file recv_report.cpp.

                                {
        reports.remove_timed_out(timeout_msec, elapsedTimer.elapsed());
 
        int total = 0;
        int lost = 0;
 
        QString tooltip;
        for(const auto& r : reports.get()){
                total += r.item.total;
                lost += r.item.lost;
                tooltip += QString::number(r.ssrc, 16) +
                        ": RTT=" + QString::number(r.item.rtt_usec) + "us\n";
        }
 
        if(tooltip.endsWith('\n'))
                tooltip.chop(1);
 
        if(total < 1) total = 1;
 
        float loss = (static_cast<float>(lost) / total) * 100.f;
 
        setFormat("Receiver reports %p% received");
        setValue(100.f - loss);
        setToolTip(tooltip);
        timer.start();
}

References elapsedTimer, loss, reports, timeout_msec, and timer.

Referenced by parseLine().

Member Data Documentation

elapsedTimer

QElapsedTimer RecvReportWidget::elapsedTimer

private

Definition at line 28 of file recv_report.hpp.

Referenced by RecvReportWidget(), parseLine(), and updateVal().

reports

SSRC_container<RecvReport, decltype(elapsedTimer.elapsed())> RecvReportWidget::reports

private

Definition at line 35 of file recv_report.hpp.

Referenced by parseLine(), reset(), and updateVal().

timeout_msec

const int RecvReportWidget::timeout_msec = 15000

private

Definition at line 37 of file recv_report.hpp.

Referenced by RecvReportWidget(), and updateVal().

timer

QTimer RecvReportWidget::timer

private

Definition at line 27 of file recv_report.hpp.

Referenced by RecvReportWidget(), reset(), and updateVal().

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The documentation for this class was generated from the following files:

• gui/QT/widget/recv_report.hpp
• gui/QT/widget/recv_report.cpp