feat(video): 增加4:3 画幅视频合并功能

- 在 VideoAspect 枚举中添加 landscape_2 (4:3) 和 portrait_2 (3:4) 选项
- 更新 combine_clip_videos 函数，支持 4:3 画幅的视频合并
- 修改任务处理流程，使用新的 merger_video 模块进行视频合并

app/models/schema.py

@@ -20,7 +20,9 @@ class VideoConcatMode(str, Enum):
 
 class VideoAspect(str, Enum):
     landscape = "16:9"
+    landscape_2 = "4:3"
     portrait = "9:16"
+    portrait_2 = "3:4"
     square = "1:1"
 
     def to_resolution(self):

app/services/merger_video.py

@@ -18,16 +18,22 @@ from loguru import logger
 
 class VideoAspect(Enum):
     """视频宽高比枚举"""
-    portrait = "portrait"  # 竖屏 9:16
-    landscape = "landscape"  # 横屏 16:9
-    square = "square"  # 方形 1:1
+    landscape = "16:9"  # 横屏 16:9
+    landscape_2 = "4:3"
+    portrait = "9:16"   # 竖屏 9:16
+    portrait_2 = "3:4"
+    square = "1:1"      # 方形 1:1
 
     def to_resolution(self) -> Tuple[int, int]:
         """根据宽高比返回标准分辨率"""
         if self == VideoAspect.portrait:
             return 1080, 1920  # 竖屏 9:16
+        elif self == VideoAspect.portrait_2:
+            return 720, 1280   # 竖屏 4:3
         elif self == VideoAspect.landscape:
             return 1920, 1080  # 横屏 16:9
+        elif self == VideoAspect.landscape_2:
+            return 1280, 720   # 横屏 4:3
         elif self == VideoAspect.square:
             return 1080, 1080  # 方形 1:1
         else:

app/services/task.py

@@ -9,7 +9,8 @@ from loguru import logger
 from app.config import config
 from app.models import const
 from app.models.schema import VideoConcatMode, VideoParams, VideoClipParams
-from app.services import llm, material, subtitle, video, voice, audio_merger, subtitle_merger, clip_video
+from app.services import (llm, material, subtitle, video, voice, audio_merger,
+                          subtitle_merger, clip_video, merger_video)
 from app.services import state as sm
 from app.utils import utils
 
@@ -292,11 +293,10 @@ def start_subclip(task_id: str, params: VideoClipParams, subclip_path_videos: di
     combined_video_path = path.join(utils.task_dir(task_id), f"merger.mp4")
     logger.info(f"\n\n## 5. 合并视频: => {combined_video_path}")
 
-    video.combine_clip_videos(
-        combined_video_path=combined_video_path,
+    merger_video.combine_clip_videos(
+        output_video_path=combined_video_path,
         video_paths=subclip_videos,
         video_ost_list=video_ost,
-        list_script=list_script,
         video_aspect=params.video_aspect,
         threads=params.n_threads  # 多线程
     )