perf: adjust render parameters

Author: timerring

src/burn/generate_danmakus.py

@@ -42,8 +42,8 @@ def process_danmakus(in_xml_path, resolution):
         update_sc_prices(in_xml_path)
         in_ass_path = in_xml_path[:-4] + '.ass'
         if resolution == '1280x720':
-            boxsize = '470x720'
-            boxfont = '25'
+            boxsize = '500x720'
+            boxfont = '18'
             danmakufont = '38'
             subtitle_font_size = '15'
             subtitle_margin_v = '40'