From c7956ae9b228054d57897ea338ad4154cc0b7221 Mon Sep 17 00:00:00 2001
From: Caine <susan@tomflux.xyz>
Date: Sun, 15 Feb 2026 09:41:49 +0000
Subject: Initial commit: susan automation scripts
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Overnight transcoding, music discovery/import, system health reports,
stats page generator, and bookmark management.

Secrets stored in /etc/automation/ — not in repo.
---
 transcode_album.sh | 81 ++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 81 insertions(+)
 create mode 100755 transcode_album.sh

(limited to 'transcode_album.sh')

diff --git a/transcode_album.sh b/transcode_album.sh
new file mode 100755
index 0000000..d1ad1aa
--- /dev/null
+++ b/transcode_album.sh
@@ -0,0 +1,81 @@
+#!/bin/bash
+# Transcode FLAC album to Opus, preserving metadata
+# Usage: ./transcode_album.sh <source_dir> [--delete-source]
+#
+# Converts all FLAC files to Opus 128kbps (transparent quality, ~10x smaller)
+# Preserves all metadata tags and album art
+
+set -e
+
+SOURCE_DIR="$1"
+DELETE_SOURCE=false
+BITRATE="128k"
+GROUP="mediaserver"
+
+if [[ "$2" == "--delete-source" ]]; then
+    DELETE_SOURCE=true
+fi
+
+if [[ -z "$SOURCE_DIR" ]] || [[ ! -d "$SOURCE_DIR" ]]; then
+    echo "Usage: $0 <source_directory> [--delete-source]"
+    exit 1
+fi
+
+# Count FLAC files
+flac_count=$(find "$SOURCE_DIR" -maxdepth 1 -iname "*.flac" | wc -l)
+if [[ $flac_count -eq 0 ]]; then
+    echo "No FLAC files found in $SOURCE_DIR"
+    exit 0
+fi
+
+echo "Transcoding $flac_count FLAC files to Opus ($BITRATE)..."
+echo "Source: $SOURCE_DIR"
+
+converted=0
+failed=0
+
+# Process each FLAC file
+find "$SOURCE_DIR" -maxdepth 1 -iname "*.flac" | while read -r flac_file; do
+    filename=$(basename "$flac_file")
+    opus_file="${flac_file%.flac}.opus"
+    opus_file="${opus_file%.FLAC}.opus"
+    
+    echo "  Converting: $filename"
+    
+    if ffmpeg -hide_banner -loglevel warning -i "$flac_file" \
+        -c:a libopus -b:a "$BITRATE" -vbr on \
+        -map_metadata 0 \
+        -y "$opus_file" 2>&1; then
+        
+        # Preserve original timestamp
+        touch -r "$flac_file" "$opus_file"
+        
+        # Fix permissions
+        chgrp "$GROUP" "$opus_file" 2>/dev/null || true
+        chmod 664 "$opus_file" 2>/dev/null || true
+        
+        if $DELETE_SOURCE; then
+            rm "$flac_file"
+            echo "    ✓ Converted and removed FLAC"
+        else
+            echo "    ✓ Converted (FLAC kept)"
+        fi
+        ((converted++)) || true
+    else
+        echo "    ✗ Failed to convert"
+        ((failed++)) || true
+    fi
+done
+
+# Also convert any MP3s that are suspiciously large (>15MB per file avg)
+# Actually, skip this - MP3s are already compressed
+
+# Handle cover art - keep it
+# ffmpeg should copy embedded art automatically for opus
+
+echo ""
+echo "Done! Converted $converted files."
+if $DELETE_SOURCE; then
+    # Calculate space saved
+    echo "FLAC files deleted to save space."
+fi
-- 
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