From f7c61653140067471589e337dc63a35f4ebe0e8f Mon Sep 17 00:00:00 2001
From: TPN <tpn@ainta.dev>
Date: Sun, 16 Jun 2024 19:12:14 +0530
Subject: [PATCH] Add convertPlaylistsToDataUrls util

---
 src/utils/playlist.ts | 23 +++++++++++++++++++++++
 1 file changed, 23 insertions(+)
 create mode 100644 src/utils/playlist.ts

diff --git a/src/utils/playlist.ts b/src/utils/playlist.ts
new file mode 100644
index 0000000..c315d52
--- /dev/null
+++ b/src/utils/playlist.ts
@@ -0,0 +1,23 @@
+import { parse, stringify } from 'hls-parser';
+import { MasterPlaylist } from 'hls-parser/types';
+
+import { UseableFetcher } from '@/fetchers/types';
+
+export async function convertPlaylistsToDataUrls(
+  fetcher: UseableFetcher,
+  playlistUrl: string,
+  headers?: Record<string, string>,
+) {
+  const playlistData = await fetcher(playlistUrl, { headers });
+  const playlist = parse(playlistData);
+
+  if (playlist.isMasterPlaylist) {
+    for (const variant of (playlist as MasterPlaylist).variants) {
+      const variantPlaylistData = await fetcher(variant.uri, { headers });
+      const variantPlaylist = parse(variantPlaylistData);
+      variant.uri = `data:application/vnd.apple.mpegurl;base64,${btoa(stringify(variantPlaylist))}`;
+    }
+  }
+
+  return `data:application/vnd.apple.mpegurl;base64,${btoa(stringify(playlist))}`;
+}