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Q&A How can I efficiently create a collage of video thumbnails on Linux?

Of course, being a swiss army knife ffmpeg already has this capability builtin: ffmpeg -i Example.mp4 -vf "select=not(mod(n\,20)),scale=200:-1,tile=5x4:padding=2:color=white" -vsync 0 -frames:v 1 ...

posted 5mo ago by GeraldS‭ · edited 5mo ago by GeraldS‭

Answer

#3: Post edited by

GeraldS‭ · 2024-10-09T06:38:12Z (5 months ago)
added borders between the thumbnails

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Of course, being a swiss army knife `ffmpeg` already has this capability builtin:
```shell
~~ffmpeg -i Example.mp4 -vf "select=not(mod(n\,20)),scale=200:-1,tile=5x4" -vsync 0 -frames:v 1 output.jpg~~
```
The result is about the same:
~~![Output image of ffmpeg, a 5x4 grid of video images](https://linux.codidact.com/uploads/mnzt6gamk3pu3pzuxcuslkzkl6t5)~~

Of course, being a swiss army knife `ffmpeg` already has this capability builtin:
```shell
ffmpeg -i Example.mp4 -vf "select=not(mod(n\,20)),scale=200:-1,tile=5x4:padding=2:color=white" -vsync 0 -frames:v 1 output.jpg
```
The result is about the same:
![Output image of ffmpeg, a 5x4 grid of video images](https://linux.codidact.com/uploads/ivqd76eusp7lpoxok6o7qarx3qyl)

#2: Post edited by

GeraldS‭ · 2024-10-08T12:08:00Z (5 months ago)
corrected image position

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Of course, being a swiss army knife `ffmpeg` already has this capability builtin:
~~```~~
ffmpeg -i Example.mp4 -vf "select=not(mod(n\,20)),scale=200:-1,tile=5x4" -vsync 0 -frames:v 1 output.jpg
```
The result is about ![Output image of ffmpeg, a 5x4 grid of video images](https://linux.codidact.com/uploads/mnzt6gamk3pu3pzuxcuslkzkl6t5)the same:

Of course, being a swiss army knife `ffmpeg` already has this capability builtin:
```shell
ffmpeg -i Example.mp4 -vf "select=not(mod(n\,20)),scale=200:-1,tile=5x4" -vsync 0 -frames:v 1 output.jpg
```
The result is about the same:
![Output image of ffmpeg, a 5x4 grid of video images](https://linux.codidact.com/uploads/mnzt6gamk3pu3pzuxcuslkzkl6t5)

#1: Initial revision by

GeraldS‭ · 2024-10-08T12:07:14Z (5 months ago)

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Of course, being a swiss army knife `ffmpeg` already has this capability builtin:

```
ffmpeg -i Example.mp4 -vf "select=not(mod(n\,20)),scale=200:-1,tile=5x4" -vsync 0 -frames:v 1 output.jpg
```

The result is about ![Output image of ffmpeg, a 5x4 grid of video images](https://linux.codidact.com/uploads/mnzt6gamk3pu3pzuxcuslkzkl6t5)the same:

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