ffm_compile: Compile the tidymedia pipeline into an FFmpeg command

In tidymedia: Media File Preprocessing and Metadata for the 'tidyverse'

Compile the tidymedia pipeline into an FFmpeg command

Description

Compile all the instructions into one string, the FFmpeg command that runs them.

Usage

ffm_compile(object)

Arguments

object

An FFmpeg pipeline (ffm) object created by ffm_files().

Value

A string with the FFmpeg command that carries out all the instructions in the tidymedia pipeline.

See Also

ffm_run() to compile and run in one step, and ffm_batch() to compile over many files.

Other pipeline functions: ffm_batch(), ffm_codec(), ffm_concat(), ffm_copy(), ffm_crop(), ffm_drawbox(), ffm_drop(), ffm_files(), ffm_fps(), ffm_hstack(), ffm_jobs(), ffm_loudnorm(), ffm_map(), ffm_output_options(), ffm_overlay(), ffm_pixel_format(), ffm_run(), ffm_scale(), ffm_seek(), ffm_trim(), ffm_vstack(), print.tidymedia_ffm()

Examples

video <- system.file("extdata", "sample.mp4", package = "tidymedia")
# ffm_compile() returns the reproducible FFmpeg command as a string
ffm_files(video, "output.mp4") |>
  ffm_trim(start = 1, end = 5) |>
  ffm_crop(width = 160, height = 120) |>
  ffm_codec(video = "libx264") |>
  ffm_compile()

tidymedia documentation built on Oct. 11, 2026, 5:08 p.m.