Remove FFmpeg Linux download which wouldnt work and add messageboxes, add a yes/no messagebox for yt-dlp, add acoustid music recognition, only support MP3, split online_metadata to multiple files, add missing metadata to files automatically, add synchronized lyrics pane

utils/lyrics_metadata.py

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+import urllib.parse, urllib.request, json
+
+from utils.utils import ensure_metadata_file
+from utils.constants import LRCLIB_BASE_URL
+
+def convert_syncronized_time_to_seconds(synchronized_time):
+    minutes_str, seconds_str = synchronized_time.split(":")
+    return float(minutes_str) * 60 + float(seconds_str)
+
+def parse_synchronized_lyrics(synchronized_lyrics: str):
+    lyrics_list = {}
+    
+    for lyrics_line in synchronized_lyrics.splitlines():
+        uncleaned_date, text = lyrics_line.split("] ")
+        cleaned_date = uncleaned_date.replace("[", "")
+
+        lyrics_list[convert_syncronized_time_to_seconds(cleaned_date)] = text
+
+    return list(lyrics_list.keys()), lyrics_list
+
+def get_closest_time(current_time, lyrics_times):
+    closest_time = 0
+
+    for lyrics_time in lyrics_times:
+        if lyrics_time <= current_time and lyrics_time > closest_time:
+            closest_time = lyrics_time
+
+    return closest_time
+
+def get_lyrics(artist, title):
+    metadata_cache = ensure_metadata_file()
+
+    if (artist, title) in metadata_cache["lyrics_by_artist_title"]:
+        return metadata_cache["lyrics_by_artist_title"][(artist, title)]
+    else:
+        if artist:
+            query = f"{artist} - {title}"
+        else:
+            query = title
+    
+        query_string = urllib.parse.urlencode({"q": query})
+        full_url = f"{LRCLIB_BASE_URL}?{query_string}"
+
+        with urllib.request.urlopen(full_url) as request:
+            data = json.loads(request.read().decode("utf-8"))
+    
+        for result in data:
+            if result.get("plainLyrics") and result.get("syncedLyrics"):
+                metadata_cache["lyrics_by_artist_title"][(artist, title)] = (result["plainLyrics"], result["syncedLyrics"])
+                return (result["plainLyrics"], result["syncedLyrics"])
+        
+    with open("metadata_cache.json", "w") as file:
+        file.write(json.dumps(metadata_cache))
+
+    if artist: # if there was an artist, it might have been misleading. For example, on Youtube, the uploader might not be the artist. We retry with only title.
+        return get_lyrics(None, title)
+    
+    return [None, None]