Add FLAC bit depth fallback option to quality profile

web_server.py

@@ -15062,6 +15062,7 @@ def _check_flac_bit_depth(file_path, context, context_key):
     """
     Check if a FLAC file matches the user's preferred bit depth.
     Returns True if the file was rejected (caller should return), False if OK.
+    With fallback enabled (default), accepts any FLAC bit depth rather than quarantining.
     """
     if not context.get('_audio_quality', '').startswith('FLAC'):
         return False
@@ -15069,7 +15070,8 @@ def _check_flac_bit_depth(file_path, context, context_key):
     from database.music_database import MusicDatabase
     _qp_db = MusicDatabase()
     _quality_profile = _qp_db.get_quality_profile()
-    _flac_pref = _quality_profile.get('qualities', {}).get('flac', {}).get('bit_depth', 'any')
+    _flac_config = _quality_profile.get('qualities', {}).get('flac', {})
+    _flac_pref = _flac_config.get('bit_depth', 'any')
 
     if _flac_pref == 'any':
         return False
@@ -15079,7 +15081,17 @@ def _check_flac_bit_depth(file_path, context, context_key):
     if _actual_bits == _flac_pref:
         return False
 
-    # Reject — same pattern as AcoustID verification failure
+    # Bit depth doesn't match preference — check if fallback is enabled
+    _flac_fallback = _flac_config.get('bit_depth_fallback', True)
+
+    if _flac_fallback:
+        # Accept the file — a FLAC at any bit depth is better than a failed download
+        track_info = context.get('track_info', {})
+        track_name = track_info.get('name', os.path.basename(file_path))
+        print(f"📀 [FLAC Fallback] Accepted {_actual_bits}-bit FLAC (preferred {_flac_pref}-bit): {track_name}")
+        return False
+
+    # Strict mode — reject and quarantine
     rejection_msg = f"FLAC bit depth mismatch: file is {_actual_bits}-bit, preference is {_flac_pref}-bit"
     try:
         quarantine_path = _move_to_quarantine(file_path, context, rejection_msg)

webui/index.html

@@ -4014,8 +4014,14 @@
                                             <button class="bit-depth-btn" data-value="16" onclick="setFlacBitDepth('16')">16-bit</button>
                                             <button class="bit-depth-btn" data-value="24" onclick="setFlacBitDepth('24')">24-bit</button>
                                         </div>
-                                        <div style="color: #888; font-size: 0.75em; margin-top: 4px;">
+                                        <div class="flac-fallback-toggle" id="flac-fallback-toggle" style="display: none; margin-top: 6px;">
-                                            Rejects FLAC files that don't match the selected bit depth
+                                            <label style="display: flex; align-items: center; gap: 6px; cursor: pointer; font-size: 0.8em; color: #ccc;">
+                                                <input type="checkbox" id="flac-bit-depth-fallback" checked onchange="setFlacBitDepthFallback(this.checked)">
+                                                Accept other bit depths as fallback
+                                            </label>
+                                            <div style="color: #888; font-size: 0.75em; margin-top: 2px;">
+                                                When enabled, accepts any FLAC rather than rejecting on bit depth mismatch
+                                            </div>
                                         </div>
                                     </div>
                                 </div>

webui/static/script.js

@@ -4943,7 +4943,7 @@ function populateQualityProfileUI(profile) {
                 }
             }
 
-            // FLAC-specific: restore bit depth selector
+            // FLAC-specific: restore bit depth selector and fallback toggle
             if (quality === 'flac') {
                 const bitDepthValue = config.bit_depth || 'any';
                 document.querySelectorAll('.bit-depth-btn').forEach(btn => {
@@ -4957,6 +4957,15 @@ function populateQualityProfileUI(profile) {
                         bitDepthSelector.classList.add('disabled');
                     }
                 }
+                // Show/hide and restore fallback toggle
+                const fallbackToggle = document.getElementById('flac-fallback-toggle');
+                if (fallbackToggle) {
+                    fallbackToggle.style.display = bitDepthValue === 'any' ? 'none' : 'block';
+                }
+                const fallbackCb = document.getElementById('flac-bit-depth-fallback');
+                if (fallbackCb) {
+                    fallbackCb.checked = config.bit_depth_fallback !== false;
+                }
             }
         }
     });
@@ -5033,6 +5042,12 @@ function setFlacBitDepth(value) {
         btn.classList.toggle('active', btn.getAttribute('data-value') === value);
     });
 
+    // Show/hide fallback toggle — only relevant when a specific bit depth is selected
+    const fallbackToggle = document.getElementById('flac-fallback-toggle');
+    if (fallbackToggle) {
+        fallbackToggle.style.display = value === 'any' ? 'none' : 'block';
+    }
+
     // Mark preset as custom when manually changing
     if (currentQualityProfile) {
         currentQualityProfile.preset = 'custom';
@@ -5044,6 +5059,16 @@ function setFlacBitDepth(value) {
     debouncedAutoSaveSettings();
 }
 
+function setFlacBitDepthFallback(enabled) {
+    if (currentQualityProfile) {
+        currentQualityProfile.preset = 'custom';
+        document.querySelectorAll('.preset-button').forEach(btn => {
+            btn.classList.remove('active');
+        });
+    }
+    debouncedAutoSaveSettings();
+}
+
 async function applyQualityPreset(presetName) {
     try {
         showLoadingOverlay(`Applying ${presetName} preset...`);
@@ -5094,10 +5119,12 @@ function collectQualityProfileFromUI() {
             priority: existingPriority
         };
 
-        // Add FLAC-specific bit_depth setting
+        // Add FLAC-specific bit_depth and fallback settings
         if (quality === 'flac') {
             const activeBtn = document.querySelector('.bit-depth-btn.active');
             profile.qualities[quality].bit_depth = activeBtn ? activeBtn.getAttribute('data-value') : 'any';
+            const fallbackCb = document.getElementById('flac-bit-depth-fallback');
+            profile.qualities[quality].bit_depth_fallback = fallbackCb ? fallbackCb.checked : true;
         }
     });