video-thumbnail-generator's Introduction

Video thumbnail generator

Generate thumbnail sprites from videos.

Why

Almost all video players enhances user's seekbar navigation by providing a thumbnail preview of the moments where the user want to seek, so generate this sprites shouldn't be hard. This is a python script that, given a video, generates a thumbnail sprite image from it.

Build

Clone it:

$ git clone [email protected]:flavioribeiro/video-thumbnail-generator.git

Then go to the project's folder:

$ cd video-thumbnail-generator

And finally run:

$ chmod a+x build && ./build

Run

$ ./generator --help
Video Thumbnail Generator

Usage:
  ./generator <video> <interval> <width> <height> <columns> <output> [<parallelism>]
  ./generator (-h | --help)
  ./generator --version

Options:
  -h --help     Show this screen.
  --version     Show version.
  <video>         Video filepath.
  <interval>      Interval em seconds between frames.
  <width>         Width of each thumbnail.
  <height>        Height of each thumbnail.
  <columns>       Total number of thumbnails per line.
  <output>        Output.
  [<parallelism>]   Number of files to process in parallel

Example

Single file

$ ./generator samples/sample.mp4 60 300 200 2 output/sample.mp4.png
[sample.mp4] Extracting frame 1/3
[sample.mp4] Extracting frame 2/3
[sample.mp4] Extracting frame 3/3
[sample.mp4.png] Savedacted.
Saved!

Directory

$ ./generator samples/ 60 300 200 2 output/
[sample copy.mp4] Extracting frame 1/3
[sample.mp4] Extracting frame 1/3
[sample copy.mp4] Extracting frame 2/3
[sample.mp4] Extracting frame 2/3
[sample copy.mp4] Extracting frame 3/3
[sample.mp4] Extracting frame 3/3
[sample copy.mp4.png] Saved
[sample.mp4.png] Saved