support for rutube, fixes, accommodations for multi lang

src/modules/processing/services/rutube.js

@@ -0,0 +1,30 @@
+import HLS from 'hls-parser';
+import { maxVideoDuration } from "../../config.js";
+
+export default async function(obj) {
+    let quality = obj.quality === "max" ? "9000" : obj.quality;
+    let play = await fetch(`https://rutube.ru/api/play/options/${obj.id}/?no_404=true&referer&pver=v2`).then((r) => { return r.json() }).catch(() => { return false });
+    if (!play) return { error: 'ErrorCouldntFetch' };
+
+    if ("hls" in play.live_streams) return { error: 'ErrorLiveVideo' };
+    if (!play.video_balancer || play.detail) return { error: 'ErrorEmptyDownload' };
+
+    if (play.duration > maxVideoDuration) return { error: ['ErrorLengthLimit', maxVideoDuration / 60000] };
+    
+    let m3u8 = await fetch(play.video_balancer.m3u8).then((r) => { return r.text() }).catch(() => { return false });
+    if (!m3u8) return { error: 'ErrorCouldntFetch' };
+
+    m3u8 = HLS.parse(m3u8).variants.sort((a, b) => Number(b.bandwidth) - Number(a.bandwidth));
+
+    let bestQuality = m3u8[0];
+    if (Number(quality) < bestQuality.resolution.height) {
+        bestQuality = m3u8.find((i) => (Number(quality) === i["resolution"].height));
+    }
+
+    return {
+        urls: bestQuality.uri,
+        isM3U8: true,
+        audioFilename: `rutube_${play.id}_audio`,
+        filename: `rutube_${play.id}_${bestQuality.resolution.width}x${bestQuality.resolution.height}.mp4`
+    }
+}