Staged media flushing for improved feedback and performance.

config/default.js

@@ -447,6 +447,7 @@ module.exports = {
 		attempts: 2,
 		fetchStreams: true,
 		streamConcurrency: 2, // max number of video streams (m3u8 etc.) to fetch and process at once
+		flushWindow: 1000,
 	},
 	titleSlugLength: 50,
 };