convert video file to prores

convert-to-prores

#!/usr/bin/env bash
set -eo pipefail

USAGE='convert-to-prores inputfile [outputfile] [prores setting 1 to 5, default 3]'
DESCRIPTION='

  Converts a video file to ProRes for playback on HyperDeck or NLE

  The outputfile is optional, if not provided it will be based on the input file name
  The profile switch takes an integer from -1 to 5 to match the ProRes profiles
  Default is 3, hq 422
    -1 auto (default)
     0 proxy    = 45Mbps YUV 4:2:2
     1 lt       = 102Mbps YUV 4:2:2
     2 std      = 147mpbs YUV 4:2:2
     3 hq       = 220 Mbps YUV 4:2:2
     4 4444     = 330Mbps YUVA 4:4:4:4
     5 4444xq   = 500Mbps YUVA 4:4:4:4

  Audio is defaulted to pcm_s16le.

  Dependencies: requires ffmpeg command to be installed.
'


function usage() {
	echo "$USAGE" "$DESCRIPTION" >&2
}

type ffmpeg >/dev/null 2>&1 || {
	echo >&2 "Error: ffmpeg cli must be installed. Aborting."
	usage
	exit 1
}

[ $# -ge 1 ] || {
	usage
	exit 1
}

input="$1"
output="${2:-${1}.converted.mov}"
profile="${3:-3}"

echo "Converting from: $input to: $output"

ffmpeg -i "$input" -c:v prores_ks -profile:v "$profile" -c:a pcm_s16le "$output"