QT- QMEDİAPLAYER

MyPlayer.pro

#-------------------------------------------------

#

# Project created by QtCreator 2017-04-03T14:07:12

#

#-------------------------------------------------

QT       += core gui multimedia

greaterThan(QT_MAJOR_VERSION, 4): QT += widgets

TARGET = MyPlayer

TEMPLATE = app

# The following define makes your compiler emit warnings if you use

# any feature of Qt which as been marked as deprecated (the exact warnings

# depend on your compiler). Please consult the documentation of the

# deprecated API in order to know how to port your code away from it.

DEFINES += QT_DEPRECATED_WARNINGS

# You can also make your code fail to compile if you use deprecated APIs.

# In order to do so, uncomment the following line.

# You can also select to disable deprecated APIs only up to a certain version of Qt.

#DEFINES += QT_DISABLE_DEPRECATED_BEFORE=0x060000    # disables all the APIs deprecated before Qt 6.0.0

SOURCES += main.cpp\

        dialog.cpp

HEADERS  += dialog.h

FORMS    += dialog.ui

----------------------------------------------------------------------

dialog.h

#ifndef DIALOG_H
#define DIALOG_H

#include < QDialog>
#include< QMediaPlayer>
#include< QDebug>
namespace Ui {
class Dialog;
}

class Dialog : public QDialog
{
    Q_OBJECT

public:
    explicit Dialog(QWidget *parent = 0);
    ~Dialog();

private slots:
    void on_sliderProgress_sliderMoved(int position);

    void on_sliderVolume_sliderMoved(int position);

    void on_pushButton_clicked();

    void on_pushButton_2_clicked();

    void on_durationChanged(quint64 position);

     void on_positionChanged(quint64 position);

private:
    Ui::Dialog *ui;

    QMediaPlayer* player;
};

#endif // DIALOG_H


-------------------------------------------------------------

dialog.cpp

#include " dialog.h"
#include " ui_dialog.h"

Dialog::Dialog(QWidget *parent) :
    QDialog(parent),
    ui(new Ui::Dialog)
{
    ui->setupUi(this);
    player = new QMediaPlayer(this);


    connect(player,&QMediaPlayer::positionChanged,this,&Dialog::on_positionChanged);
    connect(player,&QMediaPlayer::durationChanged,this,&Dialog::on_durationChanged);
}

Dialog::~Dialog()
{
    delete ui;
}

void Dialog::on_sliderProgress_sliderMoved(int position)
{
  player->setPosition(position);
}

void Dialog::on_sliderVolume_sliderMoved(int position)
{
    player->setVolume(position);
}

void Dialog::on_pushButton_clicked()
{


    // Load File

    player->setMedia(QUrl::fromLocalFile("//C://Users/dtsis//Desktop//se.mp3"));
    player->play();
    qDebug() < < player->errorString();




}

void Dialog::on_pushButton_2_clicked()
{
   player->stop();
}

void Dialog::on_durationChanged(quint64 position)
{
   ui->sliderProgress->setMaximum(position);
}

void Dialog::on_positionChanged(quint64 position)
{

    ui->sliderProgress->setValue(position);
}


----------------------------------------------------------

main.cpp


#include "dialog.h"
#include < QApplication>

int main(int argc, char *argv[])
{
    QApplication a(argc, argv);
    Dialog w;
    w.show();

    return a.exec();
}

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