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parserdialog.cpp
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parserdialog.cpp
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#include <QMessageBox>
#include <QTreeWidgetItem>
// proj files
#include "parserdialog.h"
#include "ui_parserdialog.h"
#include <iostream>
#include <string>
#include <sstream>
ParserDialog::ParserDialog(QHexEdit *hexEdit, QWidget *parent) :
QDialog(parent),
_ui(new Ui::Dialog)
{
_ui->setupUi(this);
init();
_hexEdit = hexEdit;
}
ParserDialog::~ParserDialog()
{
delete _ui;
}
void ParserDialog::setFileName(QString fileName)
{
_fileName = fileName;
}
/*****************************************************************************/
/* Private Slots */
/*****************************************************************************/
void ParserDialog::on_parseButton_clicked()
{
qDebug() << "parseButton clicked->start parsing.";
parseData();
buildTreeView();
}
/*****************************************************************************/
/* Private Methods */
/*****************************************************************************/
void ParserDialog::init()
{
_treeWidget = _ui->treeWidget;
_pmtPids.clear();
_pmtTables.clear();
}
void ParserDialog::parseData()
{
qDebug() << "Copyright © 2018-2020 kohnech. See GNU GPL v2.1 License.";
// Start parsing
QByteArray data = _hexEdit->data();
if (data.size()) {
qDebug() << "1st byte: " << QString::number(data.at(0), 16);
if (data.at(0) != 0x47)
{
qDebug() << "ERROR: 1'st byte not in sync!!!";
}
// Start parsing 1st packet data
_tsUtil.parseTransportStreamData((const uint8_t*)data.data(), data.size());
_pat = _tsUtil.getPatTable();
_pmtPids = _tsUtil.getPmtPids();
_pmtTables = _tsUtil.getPmtTables();
_pmt = _pmtTables[_pmtPids.at(0)]; // TODO assumes SPTS
_videoInfo = _tsUtil.getVideoMediaInfo();
}
}
void ParserDialog::buildTreeView()
{
_treeWidget->clear();
_treeWidget->setColumnCount(2);
_treeWidget->setColumnWidth(0, 300);
QStringList ColumnNames;
ColumnNames << "Description" << "Data";
_treeWidget->setHeaderLabels(ColumnNames);
// Add root nodes
QTreeWidgetItem* root = addTreeRoot(_fileName, "");
// Add child nodes
QTreeWidgetItem* psiRoot = addTreeChild(root, "PSI (Program Specific Information)", "");
QTreeWidgetItem* patRoot = addTreeChild(psiRoot, "PAT (Program Association Table)", "PID: " + QString::number(mpeg2ts::TS_PACKET_PID_PAT));
// TODO assumes SPTS
QTreeWidgetItem* pmtRoot = addTreeChild(psiRoot, "PMT (Program Map Table)", "PID: " + QString::number(_pmtPids.at(0)));
buildPidView(root);
buildPatView(patRoot);
buildPmtView(pmtRoot);
buildMediaView(root);
}
void ParserDialog::buildPatView(QTreeWidgetItem* patRoot)
{
addTreeChild(patRoot, "table_id", QString::number(_pat.table_id));
addTreeChild(patRoot, "section_syntax_indicator", QString::number(_pat.section_syntax_indicator));
addTreeChild(patRoot, "section_length", QString::number(_pat.section_length));
addTreeChild(patRoot, "transport_stream_id", QString::number(_pat.transport_stream_id));
addTreeChild(patRoot, "version_number", QString::number(_pat.version_number));
addTreeChild(patRoot, "current_next_indicator", QString::number(_pat.current_next_indicator));
addTreeChild(patRoot, "section_number", QString::number(_pat.section_number));
addTreeChild(patRoot, "last_section_number", QString::number(_pat.last_section_number));
}
void ParserDialog::buildPmtView(QTreeWidgetItem* pmtRoot)
{
addTreeChild(pmtRoot, "table_id", QString::number(_pmt.table_id));
addTreeChild(pmtRoot, "section_syntax_indicator", QString::number(_pmt.section_syntax_indicator));
addTreeChild(pmtRoot, "section_length", QString::number(_pmt.section_length));
addTreeChild(pmtRoot, "transport_stream_id", QString::number(_pmt.transport_stream_id));
addTreeChild(pmtRoot, "version_number", QString::number(_pmt.version_number));
addTreeChild(pmtRoot, "current_next_indicator", QString::number(_pmt.current_next_indicator));
addTreeChild(pmtRoot, "section_number", QString::number(_pmt.section_number));
addTreeChild(pmtRoot, "last_section_number", QString::number(_pmt.last_section_number));
addTreeChild(pmtRoot, "PCR_PID", QString::number(_pmt.PCR_PID));
addTreeChild(pmtRoot, "program_info_length", QString::number(_pmt.program_info_length));
// Streams
QTreeWidgetItem* streamRoot = addTreeChild(pmtRoot, "streams", "");
for (mpeg2ts::StreamTypeHeader stream : _pmt.streams)
{
addTreeChild(streamRoot, "stream_type", QString::fromStdString(mpeg2ts::StreamTypeToString[stream.stream_type]) + ", (" + QString::number(stream.stream_type) + ")");
addTreeChild(streamRoot, "elementary_PID", QString::number(stream.elementary_PID));
addTreeChild(streamRoot, "ES_info_length", QString::number(stream.ES_info_length));
}
}
void ParserDialog::buildPidView(QTreeWidgetItem* root)
{
QTreeWidgetItem* pidRoot = addTreeChild(root, "PIDs (Packet IDentifiers)", "");
addTreeChild(pidRoot, "PAT (Program Association Table)", QString::number(mpeg2ts::TS_PACKET_PID_PAT));
uint16_t pmtPid = _pmtPids.at(0);
addTreeChild(pidRoot, "PMT (Program Map Table)", QString::number(pmtPid));
// Add PRC PID
addTreeChild(pidRoot, "PCR (Program Clock Reference)", QString::number(_pmt.PCR_PID));
// Add streams
for (mpeg2ts::StreamTypeHeader stream : _pmt.streams)
{
addTreeChild(pidRoot, QString::fromStdString(mpeg2ts::StreamTypeToString[stream.stream_type]) + ", (" + QString::number(stream.stream_type) + ")",
QString::number(stream.elementary_PID));
}
}
QTreeWidgetItem* ParserDialog::addTreeRoot(QString name,
QString description)
{
// QTreeWidgetItem(QTreeWidget * parent, int type = Type)
QTreeWidgetItem *treeItem = new QTreeWidgetItem(_treeWidget);
treeItem->setText(0, name);
treeItem->setText(1, description);
return treeItem;
}
QTreeWidgetItem* ParserDialog::addTreeChild(QTreeWidgetItem *parent,
QString name,
QString description)
{
// QTreeWidgetItem(QTreeWidget * parent, int type = Type)
QTreeWidgetItem *treeItem = new QTreeWidgetItem();
// QTreeWidgetItem::setText(int column, const QString & text)
treeItem->setText(0, name);
treeItem->setText(1, description);
// QTreeWidgetItem::addChild(QTreeWidgetItem * child)
parent->addChild(treeItem);
return treeItem;
}
void ParserDialog::buildMediaView(QTreeWidgetItem* root)
{
QTreeWidgetItem* mediaRoot = addTreeChild(root, "VideoMediaInfo (Video Codec Info etc...)", "");
addTreeChild(mediaRoot, "Media Type ", QString::fromUtf8(_tsUtil.toString(_videoInfo.mediaType).c_str()));
addTreeChild(mediaRoot, "PID (Packet IDentifiers)", QString::number(_videoInfo.PID));
addTreeChild(mediaRoot, "Codec", QString::fromUtf8(_tsUtil.toString(_videoInfo.codec).c_str()));
QString resolution = QString::number(_videoInfo.width) + "x" + QString::number(_videoInfo.height);
addTreeChild(mediaRoot, "Resolution", resolution);
addTreeChild(mediaRoot, "Frame rate", QString::fromUtf8(_videoInfo.frameRate.c_str()));
}