Wrapper script to parallelize ffmpeg

convert.sh

#!/bin/sh

# Wrapper script to help parallelize batches of ffmpeg conversions to a single output format
# For example, it can convert all your mp4 files to mp3 format in parallel (or any other formats ffmpeg supports)
# By Nicolas Chan (MIT Licensed)

# Usage: ./convert.sh FORMAT [INPUT_FILES...]
# Example usage: ./convert.sh mp3 *.mp4

# Dependencies:
#   - ffmpeg: https://ffmpeg.org/
#   - GNU parallel: https://www.gnu.org/software/parallel/

OUTPUT_FORMAT=$1
shift
parallel "ffmpeg -i {} -f $OUTPUT_FORMAT {.}.$OUTPUT_FORMAT" ::: "$@"