dot-timeline_framing: Framing transform for the timeline

In compost: Video Compositing via 'FFmpeg'

Framing transform for the timeline

Description

Looks for metadata$cornball$framing on the first video clip's media reference, then the clip, then the timeline. A framing is a list with optional scale (a box edge, or c(w, h)), pad (c(w, h)), and pos (c(x, y), defaulting to c(0, 0)). Any element may be a string for ffmpeg expressions (e.g. pos = c("(ow-iw)/2", "(oh-ih)/2")).

Usage

.timeline_framing(vtrack, timeline)

Arguments

vtrack	The primary video Track.
timeline	The Timeline.

Value

A framing list, or NULL.

compost documentation built on Aug. 4, 2026, 5:11 p.m.