增强MetaBase类以支持tmdbid和doubanid的赋值，并为Emby格式ID识别添加测试用例。

tests/test_metainfo.py

@@ -32,4 +32,32 @@ class MetaInfoTest(TestCase):
                 "video_codec": meta_info.video_encode or "",
                 "audio_codec": meta_info.audio_encode or ""
             }
+            
+            # 检查tmdbid
+            if info.get("target").get("tmdbid"):
+                target["tmdbid"] = meta_info.tmdbid
+            
             self.assertEqual(target, info.get("target"))
+
+    def test_emby_format_ids(self):
+        """
+        测试Emby格式ID识别
+        """
+        # 测试文件路径
+        test_paths = [
+            # 文件名中包含tmdbid
+            ("/movies/The Vampire Diaries (2009) [tmdbid=18165]/The.Vampire.Diaries.S01E01.1080p.mkv", 18165),
+            # 目录名中包含tmdbid
+            ("/movies/Inception (2010) [tmdbid-27205]/Inception.2010.1080p.mkv", 27205),
+            # 父目录名中包含tmdbid
+            ("/movies/Breaking Bad (2008) [tmdb=1396]/Season 1/Breaking.Bad.S01E01.1080p.mkv", 1396),
+            # 祖父目录名中包含tmdbid
+            ("/tv/Game of Thrones (2011) {tmdb=1399}/Season 1/Game.of.Thrones.S01E01.1080p.mkv", 1399),
+            # 测试{tmdb-xxx}格式
+            ("/movies/Avatar (2009) {tmdb-19995}/Avatar.2009.1080p.mkv", 19995),
+        ]
+        
+        for path_str, expected_tmdbid in test_paths:
+            meta = MetaInfoPath(Path(path_str))
+            self.assertEqual(meta.tmdbid, expected_tmdbid, 
+                            f"路径 {path_str} 期望的tmdbid为 {expected_tmdbid}，实际识别为 {meta.tmdbid}")