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Is there an easy way to add chapters (i.e.: sections with titles) to .mp4 files using a python script?

For example, the script could process a 3-minutes video and label the first minute as "Beginning", the second minute as "Middle", and the last minute as "End".

The only solution (link) I stumbled upon so far involves using a ffmpeg command on the command line to extract the original ffmetadata from the video file before appending the chapters to it and updating the video with it.

However, I would like the process to be automated using a python script (instead of having to use the command line each time I have to process a video).

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  • Running the program via the command line to achieve your objective is already a form of automation, so what is your question? If it's a recommendation to find a library in Python to do this, I am afraid that is off-topic for StackOverflow. Commented Mar 7, 2023 at 3:09
  • Not really, I would like to run that command within a larger python program that processes video files. I just want to find a way to do so without having to go through the command line separately. Commented Mar 7, 2023 at 3:27
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    You might be looking for a way to run ffmpeg through Python subprocess. Commented Mar 7, 2023 at 3:30
  • I tried doing so but it tells me that it doesn't recognize ffmpeg as a command for some reason, although I did import it to my pycharm virtual environment. @metatoaster Commented Mar 7, 2023 at 3:42
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    You may need to provide the full path to the ffmpeg executable. Commented Mar 7, 2023 at 5:06

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As mentioned in the comments above, I was able to achieve what I wanted using the subprocess.call(command, shell=True) function after updating my path variable.

The 'shell=True' argument allowed me to process the command as a regular shell command (link), and updating the path variable made ffmpeg recognizable.

I didn't have to use ffmpeg-python module after all since it was easier to use the ffmpeg (downloaded from here) command on shell that worked fine initially.

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