feat: convert srt to vtt if required

packages/provider-utils/package.json

@@ -30,6 +30,7 @@
   "prettier": "@movie-web/prettier-config",
   "dependencies": {
     "@movie-web/providers": "^2.2.0",
+    "srt-webvtt": "^2.0.0",
     "tmdb-ts": "^1.6.1"
   }
 }

packages/provider-utils/src/video.ts

@@ -1,3 +1,5 @@
+import { default as toWebVTT } from "srt-webvtt";
+
 import type {
   FileBasedStream,
   Qualities,
@@ -11,9 +13,13 @@ import {
   targets,
 } from "@movie-web/providers";
 
-export async function getVideoStream(
-  media: ScrapeMedia,
-): Promise<Stream | null> {
+export async function getVideoStream({
+  media,
+  forceVTT,
+}: {
+  media: ScrapeMedia;
+  forceVTT?: boolean;
+}): Promise<Stream | null> {
   const providers = makeProviders({
     fetcher: makeStandardFetcher(fetch),
     target: targets.NATIVE,
@@ -24,9 +30,23 @@ export async function getVideoStream(
     media,
   };
 
-  const results = await providers.runAll(options);
-  if (!results) return null;
-  return results.stream;
+  const result = await providers.runAll(options);
+  if (!result) return null;
+
+  if (forceVTT) {
+    if (result.stream.captions && result.stream.captions.length > 0) {
+      for (const caption of result.stream.captions) {
+        if (caption.type === "srt") {
+          const response = await fetch(caption.url);
+          const srtSubtitle = await response.blob();
+          const vttSubtitleUrl = await toWebVTT(srtSubtitle);
+          caption.url = vttSubtitleUrl;
+          caption.type = "vtt";
+        }
+      }
+    }
+  }
+  return result.stream;
 }
 
 export function findHighestQuality(