feat(meta): 添加视频帧率信息解析支持

- 在MetaBase基类中新增fps属性用于存储帧率信息
- 实现MetaVideo中帧率信息的识别和解析逻辑
- 为MetaAnime添加帧率提取功能，与MetaVideo保持一致
- 更新测试用例以验证帧率信息的正确解析
- 在元数据测试数据中增加fps字段的预期值

Author: noone

app/core/meta/metaanime.py

@@ -17,6 +17,7 @@ class MetaAnime(MetaBase):
     """
     _anime_no_words = ['CHS&CHT', 'MP4', 'GB MP4', 'WEB-DL']
     _name_nostring_re = r"S\d{2}\s*-\s*S\d{2}|S\d{2}|\s+S\d{1,2}|EP?\d{2,4}\s*-\s*EP?\d{2,4}|EP?\d{2,4}|\s+EP?\d{1,4}|\s+GB"
+    _fps_re = r"(\d{2,3})(?=FPS)"
 
     def __init__(self, title: str, subtitle: str = None, isfile: bool = False):
         super().__init__(title, subtitle, isfile)
@@ -173,6 +174,8 @@ def __init__(self, title: str, subtitle: str = None, isfile: bool = False):
                 self.audio_encode = anitopy_info.get("audio_term")
                 if isinstance(self.audio_encode, list):
                     self.audio_encode = self.audio_encode[0]
+                # 帧率信息
+                self.__init_anime_fps(anitopy_info, original_title)
                 # 解析副标题，只要季和集
                 self.init_subtitle(self.org_string)
                 if not self._subtitle_flag and self.subtitle:
@@ -182,6 +185,20 @@ def __init__(self, title: str, subtitle: str = None, isfile: bool = False):
         except Exception as e:
             logger.error(f"解析动漫信息失败：{str(e)} - {traceback.format_exc()}")
 
+    def __init_anime_fps(self, anitopy_info: dict, original_title: str):
+        """
+        从原始标题中提取帧率信息，与MetaVideo保持完全一致的实现
+        """
+        re_res = re.search(rf"({self._fps_re})", original_title, re.IGNORECASE)
+        if re_res:
+            fps_value = None
+            if re_res.group(1):  # FPS格式
+                fps_value = re_res.group(1)
+                    
+            if fps_value and fps_value.isdigit():
+                # 只存储纯数值
+                self.fps = int(fps_value)
+
     @staticmethod
     def __prepare_title(title: str):
         """

app/core/meta/metabase.py

@@ -66,6 +66,9 @@ class MetaBase(object):
     # 附加信息
     tmdbid: int = None
     doubanid: str = None
+    # 帧率信息（纯数值）
+    fps: Optional[int] = None
+
 
     # 副标题解析
     _subtitle_flag = False
@@ -448,6 +451,13 @@ def audio_term(self) -> str:
         """
         return self.audio_encode or ""
 
+    @property
+    def frame_rate(self) -> str:
+        """
+        返回帧率信息
+        """
+        return self.fps or ""
+
     def is_in_season(self, season: Union[list, int, str]) -> bool:
         """
         是否包含季
@@ -581,6 +591,9 @@ def merge(self, meta: Self):
         # 音频编码
         if not self.audio_encode:
             self.audio_encode = meta.audio_encode
+        # 帧率信息
+        if not self.fps:
+            self.fps = meta.fps
         # Part
         if not self.part:
             self.part = meta.part

app/core/meta/metavideo.py

@@ -53,7 +53,7 @@ class MetaVideo(MetaBase):
     _resources_pix_re2 = r"(^[248]+K)"
     _video_encode_re = r"^(H26[45])$|^(x26[45])$|^AVC$|^HEVC$|^VC\d?$|^MPEG\d?$|^Xvid$|^DivX$|^AV1$|^HDR\d*$|^AVS(\+|[23])$"
     _audio_encode_re = r"^DTS\d?$|^DTSHD$|^DTSHDMA$|^Atmos$|^TrueHD\d?$|^AC3$|^\dAudios?$|^DDP\d?$|^DD\+\d?$|^DD\d?$|^LPCM\d?$|^AAC\d?$|^FLAC\d?$|^HD\d?$|^MA\d?$|^HR\d?$|^Opus\d?$|^Vorbis\d?$|^AV[3S]A$"
-
+    _fps_re = r"(\d{2,3})(?=FPS)"
     def __init__(self, title: str, subtitle: str = None, isfile: bool = False):
         """
         初始化
@@ -129,6 +129,9 @@ def __init__(self, title: str, subtitle: str = None, isfile: bool = False):
             # 音频编码
             if self._continue_flag:
                 self.__init_audio_encode(token)
+            # 帧率
+            if self._continue_flag:
+                self.__init_fps(token)
             # 取下一个，直到没有为卡
             token = tokens.get_next()
             self._continue_flag = True
@@ -716,3 +719,25 @@ def __init_audio_encode(self, token: str):
                 else:
                     self.audio_encode = "%s %s" % (self.audio_encode, token)
             self._last_token = token
+
+    def __init_fps(self, token: str):
+        """
+        识别帧率
+        """
+        if not self.name:
+            return
+
+        re_res = re.search(rf"({self._fps_re})", token, re.IGNORECASE)
+        if re_res:
+            self._continue_flag = False
+            self._stop_name_flag = True
+            self._last_token_type = "fps"
+            # 提取帧率数值
+            fps_value = None
+            if re_res.group(1):  # FPS格式
+                fps_value = re_res.group(1)
+            
+            if fps_value and fps_value.isdigit():
+                # 只存储纯数值
+                self.fps = int(fps_value)
+                self._last_token = f"{self.fps}FPS"