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MainWindow.cpp
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MainWindow.cpp
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#include <QtWidgets/QtWidgets>
#include <QtCore/QDebug>
#include <unordered_map>
#include <string.h>
#include "MainWindow.hpp"
#include <stdlib.h>
#include <string.h>
// Constructor for main widget
MainWindow::MainWindow(QWidget *parent) :
QWidget(parent) {
m_start = new QPushButton(tr("Start"));
m_open = new QPushButton(tr("Open"));
m_srcfile = new QTextBrowser();
m_txtbrowser = new QTextBrowser();
m_label = new QLabel(tr("Log: "));
m_file_dialog = new QFileDialog(this);
m_bitrate = new QComboBox();
m_extension = new QComboBox();
m_file_dialog->setFileMode(QFileDialog::AnyFile);
m_srcfile->setMaximumHeight(26);
m_srcfile->setVerticalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
m_start->setDisabled(true);
QVBoxLayout *vertical = new QVBoxLayout;
QHBoxLayout *row0 = new QHBoxLayout;
QHBoxLayout *row1 = new QHBoxLayout;
QHBoxLayout *row2 = new QHBoxLayout;
QHBoxLayout *row3 = new QHBoxLayout;
row0->setContentsMargins(0, 24, 0, 0);
row0->addWidget(m_srcfile);
row0->addWidget(m_open);
row1->addWidget(m_bitrate);
row1->addWidget(m_extension);
row1->addWidget(m_start);
row2->addWidget(m_label);
row3->addWidget(m_txtbrowser);
vertical->addLayout(row0);
vertical->addLayout(row1);
vertical->addLayout(row2);
vertical->addLayout(row3);
/* Bit rates */
m_bitrate->addItem("300 kbps");
m_bitrate->addItem("500 kbps");
m_bitrate->addItem("1000 kbps");
m_bitrate->addItem("1500 kbps");
m_bitrate->addItem("2250 kbps");
m_bitrate->addItem("3000 kbps");
m_extension->addItem("mp4");
m_extension->addItem("mkv");
m_extension->addItem("avi");
setLayout(vertical);
setWindowTitle(tr("Kuring nanaonan sih?"));
setFixedWidth(640);
/* Connect the Button "released" signal to onButtonReleased */
connect(m_start, SIGNAL(released()), this, SLOT(onButtonReleased()));
connect(&m_process, SIGNAL(started()), this, SLOT(onCaptureProcessOutput()));
connect(m_open, SIGNAL(released()), this, SLOT(onOpenFile()));
createActionMenu();
createMenu();
}
// Destructor
MainWindow::~MainWindow() {
delete m_start;
delete m_open;
delete m_file_dialog;
delete m_bitrate;
delete m_extension;
delete m_txtbrowser;
delete m_srcfile;
delete m_label;
}
void MainWindow::onButtonReleased() {
/* Clear the text in Text browser */
m_txtbrowser->clear();
m_txtbrowser->append(tr("Running command: "));
/* Clear extension for output file */
std::string tmp = m_srcfile->toPlainText().toLocal8Bit().data();
size_t lastindex = tmp.find_last_of(".");
std::string output = tmp.substr(0, lastindex) + "-converted." + m_extension->currentText().toLocal8Bit().data();
/* Create command */
std::unordered_map<std::string, std::string> data;
data["input"] = tmp;
data["output"] = output;
data["bitrate"] = m_bitrate->currentText().toLocal8Bit().data();
data["command"] = "ffmpeg -i \""
+ data["input"]
+ "\" -vcodec libx264 -crf 20 "
+ "\"" + data["output"] + "\""
+ " -b " + data["bitrate"].substr(0, 4);
// qInfo(data["command"].c_str());
/* Set up process to write to stdout and run command */
m_process.setCurrentWriteChannel(QProcess::StandardOutput);
m_process.start(data["command"].c_str());
}
void MainWindow::onCaptureProcessOutput() {
/*
* Determine whether the object that sent the signal was
* pointer to a process.
*/
QProcess* process = qobject_cast<QProcess*>(sender());
bool returnBool = false;
while (returnBool == false) {
returnBool = process->waitForFinished(1000);
QString outputStdOut = process->readAllStandardOutput();
QString outputStdErr = process->readAllStandardError();
m_txtbrowser->append(outputStdOut);
m_txtbrowser->append(outputStdErr);
qInfo(outputStdErr.toLocal8Bit(). data());
qInfo(outputStdOut.toLocal8Bit().data());
}
}
void MainWindow::onOpenFile() {
m_srcfile->setText(QFileDialog::getOpenFileName(this, tr("Select video file"), "/home", tr("Video Files (*)")));
m_start->setDisabled(false);
}
void MainWindow::onExit() {
exit(EXIT_SUCCESS);
}
void MainWindow::onAbout() {
mw_about = new AboutWindow;
mw_about->show();
}
void MainWindow::createActionMenu() {
m_actionExit = new QAction(tr("&Exit"), this);
m_actionAbout = new QAction(tr("&About"), this);
m_actionExit->setStatusTip(tr("Quit Program"));
m_actionAbout->setStatusTip(tr("Show About"));
connect(m_actionExit, &QAction::triggered, this, &MainWindow::onExit);
connect(m_actionAbout, &QAction::triggered, this, &MainWindow::onAbout);
}
void MainWindow::createMenu() {
m_menu = new QMenuBar(this);
m_menu->setNativeMenuBar(true);
m_menu->setMinimumWidth(640);
m_fileMenu = m_menu->addMenu(tr("&File"));
m_fileMenu->addAction(m_actionExit);
m_helpMenu = m_menu->addMenu(tr("&Help"));
m_helpMenu->addAction(m_actionAbout);
}