Converting gifv to jpg

Question

How can I convert .gifv to .jpg?

Is there also any script to capture the keyframe which is most informative?

jalal@klein:~$ convert -verbose -coalesce MRtIA77.gifv rabbit.jpg
convert: no decode delegate for this image format `GIFV' @ error/constitute.c/ReadImage/501.
convert: no images defined `rabbit.jpg' @ error/convert.c/ConvertImageCommand/3210.
jalal@klein:~$ convert  MRtIA77.gifv rabbit.jpg
convert: no decode delegate for this image format `GIFV' @ error/constitute.c/ReadImage/501.
convert: no images defined `rabbit.jpg' @ error/convert.c/ConvertImageCommand/3210.

Answer 1

For the rabbit file, paste the following into your web browser ( I assume this is where you found the original video )

http://i.imgur.com/MRtIA77.gifv

Right click on the image (NOT the download link under the image) and choose "save video as"

Using ffmpeg you can extract frames from the video (below is set for 1 frame per second you can increase this number for more image captures per second)

ffmpeg -i MRtIA77.mp4 -vf fps=1 out%d.jpg

or png

ffmpeg -i MRtIA77.mp4 -vf fps=1 out%d.png

gifv is designed to simulate gif, but is not a type of gif. It is a .mp4 or .webm video.

**edit - those rabbits look more like Guinea Pigs to me