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Thumbnail from the commandline

PostPosted: Thu Jul 16, 2015 2:45 am
by tht
I would like to generate thumbnails for a video file from the command line. Does anyone know which command Smplayer use to generate the thumbnails found in the Gui? Is that a mplayer or ffmpeg command? All the default options would be fine. If this is the wrong place, maybe bump me in the right direction.

Re: Thumbnail from the commandline

PostPosted: Thu Jul 16, 2015 3:32 am
by rvm
SMPlayer runs mplayer (or mpv) several times to extract frames from the video and then it joins them in big image.
But I think there's no option to get a image of thumbnails directly from mplayer or mpv.

Re: Thumbnail from the commandline

PostPosted: Thu Jul 16, 2015 5:08 am
by tht
Thank you. Are there any other commandline utilities that can achive aproximately the same result? (an image grid of the videofile)

Re: Thumbnail from the commandline

PostPosted: Sat Jul 18, 2015 3:19 pm
by TTwrs
There is a program called MTN or MovieThumbnailer that can create a contact sheet of any size video in less than one-second. It uses FFmpeg as the driving engine. You can drag&drop a single video, several videos, or an entire folder on the exe to create any number of thumbnail contact sheets. A better way to use it is to drag&drop onto a batch file that sets your own custom parameters for the sheets, such as the number of thumbnails per page, columns, rows, sheet size, etc. I assume it supports commandline usage, as well.

SourceForge seems to be down at the moment, but when it returns...

movie thumbnailer (mtn)
http://moviethumbnail.sourceforge.net
http://www.sourceforge.net/projects/moviethumbnail/

I'll post the batch file if needed.