Get or set the video metadata in a datavolley object
Arguments
- x
datavolley: a datavolley object as returned by
datavolley::dv_read()
- value
string or data.frame: a string containing the path to the video file, or a data.frame with columns "camera" and "file"
Value
For dv_meta_video
, the existing video metadata. For dv_meta_video<-
, the video metadata value in x
is changed
Examples
x <- dv_read(dv_example_file())
dv_meta_video(x) ## empty dataframe
#> [1] camera file
#> <0 rows> (or 0-length row.names)
dv_meta_video(x) <- "/path/to/my/videofile"
dv_meta_video(x)
#> camera file
#> 1 0 /path/to/my/videofile