How do I add a custom thumbnail to a .mp4 file using ffmpeg?

image ffmpeg thumbnails mp4 video-processing
cooder_one picture cooder_one · Feb 15, 2019 · Viewed 8.7k times · Source

I am trying to find the proper ffmpeg command to add a .png or .jpg image to a .mp4 video as a thumbnail. The command will eventually automatically be executed by a C# program.

This is what I have so far:

# This does not work. It only removes the default thumbnail.
ffmpeg -i video.mp4 -i image.png -acodec copy -vcodec copy -map 0 -map 1:0 OUTPUT.mp4

Is what I want possible with ffmpeg? If so, please guide me in the right direction.

Answer

Gyan picture Gyan · Feb 16, 2019

Using ffmpeg 4.0, released Apr 20 2018 or newer,

ffmpeg -i video.mp4 -i image.png -map 1 -map 0 -c copy -disposition:0 attached_pic out.mp4

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