Split Samsung Motion Photo from files and strip video from original file / Samsung Bewegungsaufnahme aus Datei extrahieren und Video aus Originalbild entfernen

jpgsplit.sh

#!/bin/bash

set -e

info() {
  echo "$*" >&2
}
warn() {
  info "WARNING: $*"
}

BACKUP="_withmotion"

for file in "$@"; do
  [ -f "$file" ] || { info ">>> $file is not a file"; continue; }
  [[ "$file" == *${BACKUP}.* ]] && { info ">>> Skipping $file"; continue; }
  video_type="$(exiftool -p '$EmbeddedVideoType' -EmbeddedVideoType "$file" 2>/dev/null)"

  if [ "$video_type" = "MotionPhoto_Data" ]; then
    info ">>> Processing $file"

    basename="${file%.*}"
    moviefile="${basename}.mp4"
    backupfile="${basename}${BACKUP}.jpg"

    [ -f "$moviefile" ] && { warn "$moviefile already exists"; continue; }
    [ -f "$backupfile" ] && { warn "$backupfile already exists"; continue; }

    # sometimes exiftool "extracts" a zero-byte movie?
    try=0
    while ! [ -s "$moviefile" ]; do
      if [ $((++try)) -ge 5 ]; then
        warn "Could not extract movie from $file after $try tries"
        rm -f "$moviefile"
        continue 2
      fi
      exiftool -b -EmbeddedVideoFile "$file" > "$moviefile"
    done

    cp "$file" "$backupfile"
    exiftool -overwrite_original_in_place -trailer:all= -if "\$EmbeddedVideoType eq 'MotionPhoto_Data'" "$file"
  else
    info ">>> $file has no embedded video"
  fi
done