完善节目管理与回放播放体验

backend/config.py

@@ -10,6 +10,8 @@ class Settings(BaseSettings):
     media_origin_rtmp_port: int = 1935
     media_origin_api_port: int = 9997
     media_origin_hls_port: int = 8888
+    replay_media_dir: str = "/workspace/media"
+    hls_segment_seconds: int = 4
 
     edge_nodes: list[dict] = [
         {
@@ -34,6 +36,15 @@ class Settings(BaseSettings):
         {"label": "360p", "width": 640, "height": 360, "bitrate": "600k"},
     ]
 
+    transcode_profiles: dict[str, list[dict]] = {
+        "standard": qualities,
+        "bandwidth-saver": [
+            {"label": "720p", "width": 1280, "height": 720, "bitrate": "1800k"},
+            {"label": "480p", "width": 854, "height": 480, "bitrate": "800k"},
+            {"label": "360p", "width": 640, "height": 360, "bitrate": "450k"},
+        ],
+    }
+
     multicast_enabled: bool = True
     multicast_address_base: str = "239.0.0.1"
     multicast_port_base: int = 5000