change delaut captions type to .srt

app/dl_formats.py

@@ -70,7 +70,7 @@ def get_opts(
     format: str,
     quality: str,
     ytdl_opts: dict,
-    subtitle_format: str = "ass",
+    subtitle_format: str = "srt",
     subtitle_language: str = "en",
     subtitle_mode: str = "prefer_manual",
 ) -> dict:
@@ -124,7 +124,7 @@ def get_opts(
         mode = _normalize_caption_mode(subtitle_mode)
         language = _normalize_subtitle_language(subtitle_language)
         opts["skip_download"] = True
-        opts["subtitlesformat"] = subtitle_format or "ass"
+        opts["subtitlesformat"] = subtitle_format or "srt"
         if mode == "manual_only":
             opts["writesubtitles"] = True
             opts["writeautomaticsub"] = False

app/main.py

@@ -264,7 +264,7 @@ async def add(request):
     if chapter_template is None:
         chapter_template = config.OUTPUT_TEMPLATE_CHAPTER
     if subtitle_format is None:
-        subtitle_format = 'ass'
+        subtitle_format = 'srt'
     if subtitle_language is None:
         subtitle_language = 'en'
     if subtitle_mode is None:

app/ytdl.py

@@ -100,7 +100,7 @@ class DownloadInfo:
         playlist_item_limit,
         split_by_chapters,
         chapter_template,
-        subtitle_format="ass",
+        subtitle_format="srt",
         subtitle_language="en",
         subtitle_mode="prefer_manual",
     ):
@@ -139,7 +139,7 @@ class Download:
             format,
             quality,
             ytdl_opts,
-            subtitle_format=getattr(info, 'subtitle_format', 'ass'),
+            subtitle_format=getattr(info, 'subtitle_format', 'srt'),
             subtitle_language=getattr(info, 'subtitle_language', 'en'),
             subtitle_mode=getattr(info, 'subtitle_mode', 'prefer_manual'),
         )
@@ -701,7 +701,7 @@ class DownloadQueue:
         auto_start=True,
         split_by_chapters=False,
         chapter_template=None,
-        subtitle_format="ass",
+        subtitle_format="srt",
         subtitle_language="en",
         subtitle_mode="prefer_manual",
         already=None,