Good Quality DOSBox Video Capture and FFmpeg Options

One of the things I enjoyed drawing with Logo was a grid of overlapping circles like this:

Here is the Logo source code for the above output:

The screenshots above were obtained by running IBM Personal Computer Logo Version 1.00 in DOSBox v0.74-2 in macOS High Sierra version 10.13.6. The following output appears in the console output to show where the video file is saved:

Now I wanted to share this video with my contacts who might be on devices that do not support playing AVI files, so I decided to convert this to MP4 format with the following FFmpeg command:

Here is what the output looks like:

Let us briefly discuss the various FFmpeg options we used in the previous section:

This, of course, specifies the input file. This option ensures that the output video file can be run in a wide range of devices and players.

Source: susam.in