compose_video: Compose a modified video from a video file
In borstell/signglossR: Facilitates Visual Representation of Sign Language Data

compose_video

R Documentation

Compose a modified video from a video file

Description

This function inputs a video and allows for repeated and/or slowmotion playback

Usage

compose_video(
  video,
  filename = NULL,
  path = NULL,
  fps = 24,
  speed = 0.5,
  rep = FALSE,
  scale = 1,
  crop_region = "",
  text = NULL,
  textcolor = "white",
  boxcolor = NULL,
  font = "Helvetica",
  fontsize = "70",
  rel_fontsize = "",
  gravity = "southwest",
  location = "+20+20"
)

Arguments

`video`	The filename to the video to be modified
`filename`	The filename of the output video
`path`	The path to the output video
`fps`	The original framerate of the input video (default = 24; original = NULL)
`speed`	Set the speed of the video to a factor (0 to 1) of the original (default is .5)
`rep`	If output video is to be repeated through concatenation (default is 'FALSE')
`scale`	The resizing proportion of the original video (0 to 1; default is 1 = original size)
`crop_region`	The region to be cropped (e.g. '100x150+100+100', (width x height +upper_x +upper_y)).
`text`	The text string to be added to the video
`textcolor`	The color of the text annotation (default is "white")
`boxcolor`	The color of the textbox (default is 'NULL')
`font`	The font of the text annotation (default is "Helvetica")
`fontsize`	The fontsize of the text annotation (default is 70)
`rel_fontsize`	Whether to adjust the fontsize relative to width (x) or height (y)
`gravity`	The anchor point of the added text (default is "southwest")
`location`	The location of the text relative to the anchor point