av_video_images {av}

Convert video to images

Description

Splits a video file in a set of image files. Default image format is jpeg which has good speed and compression. Use format = "png" for losless images.

Usage

av_video_images(video, destdir = tempfile(), format = "jpg", fps = NULL)

Arguments

video

an input video

destdir

directory where to save the png files

format

image format such as png or jpeg, must be available from av_encoders()

fps

sample rate of images. Use NULL to get all images.

Details

For large input videos you can set fps to sample only a limited number of images per second. This also works with fractions, for example fps = 0.2 will output one image for every 5 sec of video.