hstack: Horizontally Stack Two Videos

In compost: Video Compositing via 'FFmpeg'

Horizontally Stack Two Videos

Description

Stack two videos side by side using FFmpeg's hstack filter.

Usage

hstack(left, right, output, width_left = NULL, width_right = NULL,
       height = 1080, overwrite = TRUE, dry_run = FALSE)

Arguments

left	Path to left video.
right	Path to right video.
output	Path for output video file.
width_left	Width in pixels for left video (default: auto from height).
width_right	Width in pixels for right video (default: auto from height).
height	Output height in pixels (default 1080).
overwrite	If TRUE (default), overwrite output file.
dry_run	If TRUE, return the FFmpeg command without executing.

Value

Invisibly returns the output path. If dry_run, returns command string.

Examples

## Not run: 
hstack("left.mp4", "right.mp4", "wide.mp4")

## End(Not run)

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