Let's make a simple video converter with the following steps:
- Download FFmpeg (static package) from http://ffmpeg.zeranoe.com/builds and extract the contents to C:/FFmpeg/.
- Open Qt Creator and create a new Qt Widgets Application project by going to File | New File or Project.
- Open mainwindow.ui—we're going to work on the program's user interface. Its UI is very similar to the previous example, except that we add an extra text-edit widget to the canvas, just under the combo box:
- Double-click the combo box and a window will appear to edit the combo box. We will add three items to the combo box list by clicking the + button ...