Added separate task queue for video streams to prevent ffmpeg overstressing the CPU. Fixed entity parent in scene REST API.

config/default.js

@@ -197,6 +197,7 @@ module.exports = {
 		lazyQuality: 90,
 		videoQuality: [480, 360, 320, 540, 720, 1080, 2160, 270, 240, 180],
 		limit: 25, // max number of photos per release
+		streamConcurrency: 2, // max number of video streams (m3u8 etc.) to fetch and process at once
 	},
 	titleSlugLength: 50,
 };