proccess_video: Extract data from video
In emphazis-org/emphazis: Emphazis - Zebrafish tracking made simple

Extract data and frames from video.

proccess_video(
  video_path,
  subject_model,
  frames_path,
  coord1 = NULL,
  coord2 = NULL,
  fps = 5,
  method = "glm"
)

`video_path`	Path to video file.
`subject_model`	Model generated from `generate_subject_model()`, or path to folder with model files.
`frames_path`	Path to save frames extracted from video.
`coord1`	Length 2 vector with position of the top left point.
`coord2`	Length 2 vector with position of the bottom right point.
`fps`	default = 5; Frames per second to decompose video.
`method`	Default