Server-scripts/convert_heic.sh

#!/usr/bin/env bash

set -euo pipefail
shopt -s nullglob nocaseglob

convert_one() {
    local src="$1"

    if [[ ! -f "$src" ]]; then
        echo "ERROR: file not found: $src"
        return 1
    fi

    local base="${src%.*}"
    local dst="${base}.jpg"
    local tmp="${base}.tmp.jpg"

    echo "Converting: $src"

    # Convert HEIC -> JPEG
    if ! magick "$src" \
        -auto-orient \
        -quality 100 \
        -sampling-factor 4:4:4 \
        "jpg:$tmp"; then
        echo "ERROR: conversion failed: $src"
        rm -f "$tmp"
        return 1
    fi

    if [[ ! -s "$tmp" ]]; then
        echo "ERROR: output JPEG is empty: $tmp"
        rm -f "$tmp"
        return 1
    fi

    echo "Copying metadata..."

    if ! exiftool \
        -overwrite_original \
        -TagsFromFile "$src" \
        -all:all \
        -unsafe \
        "$tmp" >/dev/null; then
        echo "ERROR: metadata copy failed: $src"
        rm -f "$tmp"
        return 1
    fi

    touch -r "$src" "$tmp"

    mv -f "$tmp" "$dst"

    if [[ ! -s "$dst" ]]; then
        echo "ERROR: final JPEG missing: $dst"
        return 1
    fi

    rm -f "$src"

    echo "Done: $dst"
    echo "Removed: $src"
}
convert_mov() {
    local src="$1"

    if [[ ! -f "$src" ]]; then
        echo "ERROR: file not found: $src"
        return 1
    fi

    local base="${src%.*}"
    local dst="${base}.mp4"
    local tmp="${base}.tmp.mp4"

    echo "Converting: $src"

    # MOV -> MP4, keep video/audio, drop unsupported data streams
  if ! ffmpeg \
    -hide_banner \
    -loglevel error \
    -i "$src" \
    -map 0:0 \
    -map 0:1 \
    -map_metadata 0 \
    -c copy \
    -movflags use_metadata_tags+faststart \
    "$tmp"; then
    echo "ERROR: conversion failed: $src"
    rm -f "$tmp"
    return 1
fi

    if [[ ! -s "$tmp" ]]; then
        echo "ERROR: output MP4 is empty: $tmp"
        rm -f "$tmp"
        return 1
    fi

    echo "Copying metadata..."

    if ! exiftool \
        -overwrite_original \
        -TagsFromFile "$src" \
        -all:all \
        -unsafe \
        "$tmp" >/dev/null; then
        echo "ERROR: metadata copy failed: $src"
        rm -f "$tmp"
        return 1
    fi

    touch -r "$src" "$tmp"

    mv -f "$tmp" "$dst"

    if [[ ! -s "$dst" ]]; then
        echo "ERROR: final MP4 missing: $dst"
        return 1
    fi

    rm -f "$src"

    echo "Done: $dst"
    echo "Removed: $src"
}

process_file() {
    case "${1,,}" in
        *.heic)
            convert_one "$1"
            ;;
        *.mov)
            convert_mov "$1"
            ;;
        *)
            echo "Skipping unsupported file: $1"
            ;;
    esac
}


if [[ $# -gt 0 ]]; then
    process_file "$1"
else
    files=( *.heic *.mov )

    if [[ ${#files[@]} -eq 0 ]]; then
        echo "No HEIC or MOV files found."
        exit 0
    fi

    for f in "${files[@]}"; do
        process_file "$f"
    done
fi