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Questions tagged [thumbnails]

The tag has no usage guidance.

-1
votes
1answer
16 views

Generating video thumbnails preview / contact sheet in batch, color issue

I have a large collection of videos to sort out, and for that purpose I want to create a thumbnail preview for each one of them, as quickly and efficiently as possible. I have tested several tools ...
1
vote
0answers
150 views

Extract file thumbnail from mp4 file

I'm currently converting a few mp4 file to mkv. In the process they lose their file thumbnails and I wanted to keep them. So I'm searching for a way to extract the custom thumbnails from the mp4 files ...
0
votes
0answers
23 views

How can I display an image sequence as grid of moving thumbnails?

You know how, if the computer and software are fast enough, you can flick the scroll wheel in a grid of thumbnails and watch an image sequence like a movie? Each thumbnail in the grid will show the ...
2
votes
1answer
1k views

How to add a time stamp using ffmpeg to a screenshot capture of a video

I am trying to output a screenshot of a video at an specified time and the resulting picture should have a black square with the time that was given initially. So far I was only able to produce a ...
4
votes
1answer
3k views

Extract key frame from video with ffmpeg

I have a need to generate a thumbnail for videos for a web application and I am currently doing that with this command: ffmpeg -ss <seconds> -i <input file> -vframes 1 -y <output file&...
2
votes
0answers
32 views

Wrong YouTube thumbnail seen by Facebook Advertisement team [closed]

I have a really weird issue. When I publish my YouTube video (1 hour long if that matters) I usually set a Custom thumbnail, which has a fixed amount of text on it, so it corresponds with the ...
2
votes
1answer
162 views

Maintaining thumbnails in Premiere CC

When I open a bin containing video files in Premiere CC on a Mac, if I want to view the video files as thumbnails, I have to wait quite a few seconds every time. Is there a setting so that I can ...