refactor

services/render_service.py

@@ -111,9 +111,9 @@ class DefaultRenderService(RenderService):
         logger.info("Executing FFmpeg: %s", " ".join(args))
         
         try:
-            # 执行FFmpeg进程
+            # 执行FFmpeg进程 (使用构建器已经包含的参数)
             process = subprocess.run(
-                ["ffmpeg", "-progress", "-", "-loglevel", "error"] + args[1:],
+                args,
                 stderr=subprocess.PIPE,
                 **subprocess_args(True)
             )