Photo and video command-line editing

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Photo and video command-line editing

Dependencies

All the scripts assume Bash 4.4+

brew install bash exiftool trash
brew install ffmpeg --with-fdk-aac --with-webp
brew install mozjpeg --with-libpng

Aliases

alias ffm='ffmpeg -hide_banner -nostats -loglevel panic'
alias exif='exiftool -q -s'

Convert from iPhone MOV to MP4 preserving metadata.sh

# Example
ffm -i video.mov -map_metadata 0 -map 0 -c:v copy -c:a copy -c:s copy -c:d copy -c:t copy -f mp4 video.mp4

# Convert one file
# $1: video.mov
convert-mov-to-mp4() {
	(
		set -e -u -o pipefail
		! [[ "$1" =~ ^(.+)\.[mM][oO][vV]$ ]] || {
			local D="${BASH_REMATCH[1]}.mp4" T="${BASH_REMATCH[1]}.tmp.mp4"
			ffm -i "$1" -map_metadata 0 -map 0 -c:v copy -c:a copy -c:s copy -c:d copy -c:t copy -f mp4 "$T"
			mv -f "$T" "$D"
			rm -f "$1"
		}
	)
}

# Convert many files
# $@: paths
convert-many-mov-to-mp4() {
	(
		set -e -u -o pipefail
		export -f convert-mov-to-mp4
		xargs -0 -P $(sysctl -n hw.ncpu) -I {} bash -c 'convert-mov-to-mp4 "$@"' _ {} < <(find ${1+"$@"} -iname \*.mov -print0)
	)
}

gistfile1.txt

foo() (
set -u -o pipefail -x
E='exiftool -m -r -P -progress -overwrite_original -api QuickTimeUTC'
$E -if '$CreateDate' -if 'not $DateTimeOriginal' '-CreateDate>DateTimeOriginal' ${1+"$@"}
$E -if '$DateTimeOriginal' -if 'not $CreateDate' '-DateTimeOriginal>CreateDate' ${1+"$@"}
$E -if 'not $CreateDate' '-FileModifyDate>CreateDate' ${1+"$@"}
$E -if '$CreateDate' '-FileModifyDate<CreateDate' '-FileName<${CreateDate}${model;s/^/ /}.%e' -d '%Y%m%dT%H%M%S%z.%%.5c' ${1+"$@"}
)

Lossless rotation of JPEG or MP4.sh

exif -rotation=90 image.jpg
exif -rotation=90 video.mp4