Shell ffmpeg extract a frame from a video and optionally scale the output

NapoleonWils0n

NapoleonWils0n

just updated a couple of my ffmpeg scripts
that can extract either a single frame from a video or multiple frames

ffmpeg scripts - English
github.com

GitHub - NapoleonWils0n/ffmpeg-scripts: ffmpeg shell scripts

ffmpeg shell scripts. Contribute to NapoleonWils0n/ffmpeg-scripts development by creating an account on GitHub.
github.com github.com

ffmpeg scripts - German
github.com

GitHub - NapoleonWils0n/ffmpeg-Skripte: Eine Sammlung von ffmpeg-Shell-Skripten für grundlegende Bearbeitungsaufgaben

Eine Sammlung von ffmpeg-Shell-Skripten für grundlegende Bearbeitungsaufgaben - NapoleonWils0n/ffmpeg-Skripte
github.com github.com

i have added the option to scale the output frame by specifying the width and height
or just the width and it will work out the height, or specifying the height and it will work out the width
while retaining the aspect ratio

as well as specifying the output image format as png or jpg

extract-frame - English

rahmen-extrahieren - German

extract a single frame from a video

Code: 
extract-frame -h

Code: 
# extract a frame from a video as a png or jpg
https://trac.ffmpeg.org/wiki/Seeking

extract-frame -i input.(mp4|mov|mkv|m4v|webm) -s 00:00:00.000 -t (png|jpg) -x width -y height -o output.(png|jpg)
-i input.(mp4|mov|mkv|m4v)
-s 00:00:00.000     : optional argument # if option not provided defaults to 00:00:00
-t (png|jpg)        : optional argument # if option not provided defaults to png
-x width            : optional argument #
-y height           : optional argument #
-o output.(png|jpg) : optional argument # if option not provided defaults to input-name-timecode

extract-frame without scaling

Code: 
extract-frame -i Big_Buck_Bunny.mkv -s 00:00:29

the output file name includes the file name
and the timecode the frame was extracted from

Code: 
Big_Buck_Bunny-[00:00:29].png

extract a frame a specify the output file name

Code: 
extract-frame -i Big_Buck_Bunny.mkv -s 00:00:29 -o output.png

extract a frame and specify the width and height and jpg output

Code: 
extract-frame -i Big_Buck_Bunny.mkv -s 00:00:29 -t jpg -x 480 -y 270

extract a frame a specify just the width and the jpg output

Code: 
extract-frame -i Big_Buck_Bunny.mkv -s 00:00:29 -t jpg -y 270

scene-images - English

szene-bilder - German

extract multiple frames from a video

Code: 
scene-images -h

Code: 
scene-images -i input -c cutfile -t (png|jpg) -x width -y height

-i input.(mp4|mov|mkv|m4v)
-c cutfile
-t (png|jpg)       : optional argument # if option not provided defaults to png
-x width           : optional argument #
-y height          : optional argument #

cutfile.txt format

Code: 
00:00:10
00:00:29
00:01:00

output images full size without scaling

Code: 
scene-images -i Big_Buck_Bunny.mkv -c cutfile.txt

extract frames and specify the width and height and jpg output

Code: 
scene-images -i Big_Buck_Bunny.mkv -c cutfile.txt -t jpg -x 480 -y 270

extract frames and specify the width and jpg output

Code: 
scene-images -i Big_Buck_Bunny.mkv -c cutfile.txt -t jpg -y 270



Big_Buck_Bunny-[00:00:10].jpg


Big_Buck_Bunny-[00:00:29].jpg


Big_Buck_Bunny-[00:01:00].jpg
 
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