Book Image

Qt5 C++ GUI Programming Cookbook - Second Edition

By : Lee Zhi Eng
Book Image

Qt5 C++ GUI Programming Cookbook - Second Edition

By: Lee Zhi Eng

Overview of this book

With the growing need to develop GUIs for multiple targets and multiple screens, improving the visual quality of your application becomes important so that it stands out from your competitors. With its cross-platform ability and the latest UI paradigms, Qt makes it possible to build intuitive, interactive, and user-friendly user interfaces for your applications. Qt5 C++ GUI Programming Cookbook, Second Edition teaches you how to develop functional and appealing user interfaces using the latest version of QT5 and C++. This book will help you learn a variety of topics such as GUI customization and animation, graphics rendering, implementing Google Maps, and more. You will also be taken through advanced concepts like asynchronous programming, event handling using signals and slots, network programming, various aspects of optimizing your application. By the end of the book, you will be confident to design and customize GUI applications that meet your clients' expectations and have an understanding of best practice solutions for common problems.
Table of Contents (15 chapters)

Converting videos

In this recipe, we will create a simple video converter using Qt and FFmpeg, a leading multimedia framework that is free and open source. Although Qt supports playing video files through its widget, it does not currently support video conversion. Fear not! You can still achieve the same goal by making your program cooperate with another standalone program through the QProcess class provided by Qt.

How to do it...

Let's make a simple video converter with the following steps:

  1. Download FFmpeg (static package) from and extract the contents to C:/FFmpeg/.
  2. Open Qt Creator and create a new Qt Widgets Application project by going to File | New File or Project.
  3. Open mainwindow...