add album cover copy

flac-opus-compressing.sh

@@ -2,6 +2,7 @@
 
 # Media Library FLAC to Opus Conversion Script
 # Processes multiple albums in a media library, converting all FLAC files to Opus 448kbps
+# Also copies cover art files to maintain album artwork
 
 # Check if ffmpeg is installed
 if ! command -v ffmpeg &> /dev/null; then
@@ -27,6 +28,7 @@ show_usage() {
     echo "  -t, --test           Test mode - show what would be processed"
     echo "  -f, --force          Force re-conversion of existing Opus files"
     echo "  -b, --bitrate RATE   Opus bitrate in kbps (default: 448)"
+    echo "  --no-covers          Skip copying cover art files"
     echo "  -h, --help           Show this help message"
     echo ""
     echo "Examples:"
@@ -35,6 +37,7 @@ show_usage() {
     echo "  $0 --test /path/to/music/library"
     echo "  $0 --replace /path/to/music/library"
     echo "  $0 -b 384 /path/to/music/library"
+    echo "  $0 --no-covers /path/to/music/library"
 }
 
 # Default options
@@ -43,10 +46,21 @@ REPLACE_MODE=false
 PRESERVE_MODE=false
 TEST_MODE=false
 FORCE_MODE=false
+COPY_COVERS=true
 OPUS_BITRATE=192
 PROCESSED_COUNT=0
 SKIPPED_COUNT=0
 ERROR_COUNT=0
+COVERS_COPIED=0
+COVERS_SKIPPED=0
+
+# Common cover art filenames to look for
+COVER_FILENAMES=("cover.jpg" "Cover.jpg" "COVER.jpg" "folder.jpg" "Folder.jpg" "FOLDER.jpg" 
+                 "album.jpg" "Album.jpg" "ALBUM.jpg" "front.jpg" "Front.jpg" "FRONT.jpg"
+                 "cover.jpeg" "Cover.jpeg" "COVER.jpeg" "folder.jpeg" "Folder.jpeg" "FOLDER.jpeg"
+                 "album.jpeg" "Album.jpeg" "ALBUM.jpeg" "front.jpeg" "Front.jpeg" "FRONT.jpeg"
+                 "cover.png" "Cover.png" "COVER.png" "folder.png" "Folder.png" "FOLDER.png"
+                 "album.png" "Album.png" "ALBUM.png" "front.png" "Front.png" "FRONT.png")
 
 # Parse command line arguments
 while [[ $# -gt 0 ]]; do
@@ -75,6 +89,10 @@ while [[ $# -gt 0 ]]; do
             OPUS_BITRATE="$2"
             shift 2
             ;;
+        --no-covers)
+            COPY_COVERS=false
+            shift
+            ;;
         -h|--help)
             show_usage
             exit 0
@@ -139,6 +157,57 @@ needs_conversion() {
     return 0  # Needs conversion
 }
 
+# Function to copy cover art files
+copy_cover_art() {
+    local source_dir="$1"
+    local dest_dir="$2"
+    local relative_path="$3"
+    
+    # Skip if covers are disabled
+    if [ "$COPY_COVERS" = false ]; then
+        return
+    fi
+    
+    # Skip if in replace or preserve mode (covers stay in original location)
+    if [ "$REPLACE_MODE" = true ] || [ "$PRESERVE_MODE" = true ]; then
+        return
+    fi
+    
+    # Look for cover art files
+    local found_cover=false
+    for cover_name in "${COVER_FILENAMES[@]}"; do
+        local cover_file="$source_dir/$cover_name"
+        if [ -f "$cover_file" ]; then
+            local dest_cover="$dest_dir/$cover_name"
+            
+            # Check if we need to copy (force mode or destination doesn't exist/is older)
+            if [ "$FORCE_MODE" = true ] || [ ! -f "$dest_cover" ] || [ "$cover_file" -nt "$dest_cover" ]; then
+                if [ "$TEST_MODE" = true ]; then
+                    echo "  WOULD COPY COVER: $relative_path/$cover_name"
+                else
+                    echo "  COPYING COVER: $cover_name"
+                    if cp "$cover_file" "$dest_cover" 2>/dev/null; then
+                        ((COVERS_COPIED++))
+                    else
+                        echo "    WARNING: Failed to copy $cover_name"
+                    fi
+                fi
+                found_cover=true
+            else
+                echo "  SKIP COVER: $cover_name (already exists and is newer)"
+                ((COVERS_SKIPPED++))
+                found_cover=true
+            fi
+            # Only copy the first cover file found to avoid duplicates
+            break
+        fi
+    done
+    
+    if [ "$found_cover" = false ] && [ "$TEST_MODE" = false ]; then
+        echo "  NO COVER: No cover art found in $(basename "$source_dir")"
+    fi
+}
+
 # Function to process a single FLAC file
 process_flac_file() {
     local input_file="$1"
@@ -231,6 +300,7 @@ process_flac_file() {
 process_album() {
     local album_dir="$1"
     local album_name=$(basename "$album_dir")
+    local relative_album_path="${album_dir#$MEDIA_LIBRARY/}"
     
     echo "Processing album: $album_name"
     
@@ -251,6 +321,12 @@ process_album() {
         process_flac_file "$flac_file" "$relative_path"
     done
     
+    # Copy cover art if needed (only for output directory mode)
+    if [ "$REPLACE_MODE" = false ] && [ "$PRESERVE_MODE" = false ]; then
+        local output_album_dir="$OUTPUT_DIR/$relative_album_path"
+        copy_cover_art "$album_dir" "$output_album_dir" "$relative_album_path"
+    fi
+    
     echo ""
 }
 
@@ -274,6 +350,12 @@ if [ "$FORCE_MODE" = true ]; then
     echo "Force:   Enabled (will re-convert existing Opus files)"
 fi
 
+if [ "$COPY_COVERS" = true ]; then
+    echo "Covers:  Enabled (will copy album artwork)"
+else
+    echo "Covers:  Disabled"
+fi
+
 echo ""
 
 # Find all directories that contain FLAC files (potential albums)
@@ -304,6 +386,11 @@ echo "Converted: $PROCESSED_COUNT files"
 echo "Skipped:   $SKIPPED_COUNT files (already converted or newer)"
 echo "Errors:    $ERROR_COUNT files"
 
+if [ "$COPY_COVERS" = true ]; then
+    echo "Covers copied: $COVERS_COPIED files"
+    echo "Covers skipped: $COVERS_SKIPPED files (already exist or newer)"
+fi
+
 if [ "$ERROR_COUNT" -gt 0 ]; then
     exit 1
 fi