Monthly Archives: April 2020

Using concat with a txt file has one catch, all the MP4s must have the exact codec, framerate, resolution, etc. An example text file is shown below (file.txt):  Then run the following command to load the txt file to create … Continue reading →

Looping a section of a video can be useful for presentations or advanced video editing. In this example the input.mp4 is a 5 minute long video with the requirement that after the 1 minute mark, the video will loop 10 … Continue reading →

I saw this question on Reddit and started messing with the effects recommended and totally liked the effect seen in the video below: Here’s the full script using the tmix filter: What you’ll notice here is the more frames you … Continue reading →

The last two questions covered trimming the start of a video and trimming the end of a video, but what does the command look like combined?  In this example, the input file is 5 minutes long with the requirement of … Continue reading →

Trimming a couple of seconds, minutes or hours off the end of a video is easy but again requires a different understanding of time in FFmpeg. Trimming from the end of an MP4 uses the argument -t or duration with … Continue reading →

Trimming a few seconds, minutes or hours from a video is simple but requires an understanding of the seeking and duration options. In this example, the input file is 5 minutes long with a 15 second introduction that needs to … Continue reading →

Although not a conversion to another format, compression is one of the most asked questions about MP4 files with FFmpeg. People are constantly looking for ways to reduce file size while keeping quality generally the same. This is easily done … Continue reading →

In the previous video format conversions the formats supported audio without any additional encoding. A Graphic Interchange Format or GIF is a bitmap image format without an audio component.  GIFs have been around since the late 80s and are still … Continue reading →