move combine audiobooks script

audiobook_metadata/combine_audiobookmedia_to_m4b.py

@@ -84,9 +84,12 @@ def create_m4b(root_path: Path, book_dir: Path) -> None:
                 "-map","0:a",
                 # cover image from first media
                 "-map","2:v?",
-                "-map_metadata","1",
+               # copy artist/album/composer/etc from first media file
+               "-map_metadata", "2",
+               # copy chapters from ffmetadata
+               "-map_chapters", "1",
 
-                "-c:a","copy",
+               "-c:a","copy",
                 "-c:a", "aac",
                 "-b:a", "128k",
                 # copy cover image without re-encoding
@@ -101,8 +104,11 @@ def create_m4b(root_path: Path, book_dir: Path) -> None:
                "-map", "0:a",
                # cover image from first media
                "-map", "2:v?",
-               "-map_metadata", "1",
 
+               # copy artist/album/composer/etc from first media file
+               "-map_metadata", "2",
+               # copy chapters from ffmetadata
+                "-map_chapters", "1",
                "-c:a", "copy",
                # copy cover image without re-encoding
                "-c:v", "copy", "-disposition:v:0", "attached_pic",
@@ -178,6 +184,12 @@ def main() -> None:
 
     for book_dir in book_dir_set:
         log_message(f"Found Media: {book_dir}")
+
+    print("Proceed? y/n")
+    name = input()
+    if name != "y":
+        log_message(f"Aborted")
+        exit(0)
     # Root folder containing many books
     for book_dir in book_dir_set:
         try: