From c010e73097a8b0cda8d05bc7d04bd0a7f7fb9224 Mon Sep 17 00:00:00 2001
From: Alex Kim <alexkim@Alexs-MacBook-Pro.local>
Date: Tue, 15 Jul 2025 00:44:06 +1000
Subject: [PATCH] Fix playback not working for offline content

---
 app/(auth)/player/direct-player.tsx        |  2 +-
 modules/vlc-player/ios/VlcPlayerView.swift | 13 +++++++------
 utils/jellyfin/media/getStreamUrl.ts       | 12 +++++-------
 utils/profiles/native.js                   |  2 +-
 4 files changed, 14 insertions(+), 15 deletions(-)

diff --git a/app/(auth)/player/direct-player.tsx b/app/(auth)/player/direct-player.tsx
index 5b1e18ad..7e527d9c 100644
--- a/app/(auth)/player/direct-player.tsx
+++ b/app/(auth)/player/direct-player.tsx
@@ -550,7 +550,7 @@ export default function page() {
           source={{
             uri: stream?.url || "",
             autoplay: true,
-            isNetwork: true,
+            isNetwork: !offline,
             startPosition,
             externalSubtitles,
             initOptions,
diff --git a/modules/vlc-player/ios/VlcPlayerView.swift b/modules/vlc-player/ios/VlcPlayerView.swift
index b75bc5bb..34f1d272 100644
--- a/modules/vlc-player/ios/VlcPlayerView.swift
+++ b/modules/vlc-player/ios/VlcPlayerView.swift
@@ -143,7 +143,7 @@ extension VLCPlayerWrapper: VLCMediaPlayerDelegate {
         guard let vlcPlayerView = self.playerView.superview as? VlcPlayerView,
               !vlcPlayerView.initialSeekPerformed,
               vlcPlayerView.startPosition > 0,
-              vlcPlayerView.isTranscoding,
+              vlcPlayerView.shouldPerformInitialSeek,
               player.isSeekable else { return }
         vlcPlayerView.initialSeekPerformed = true
         // Use a logger from the VlcPlayerView if available, or create a new one
@@ -167,7 +167,9 @@ class VlcPlayerView: ExpoView {
     private var externalSubtitles: [[String: String]]?
     var hasSource = false
     var initialSeekPerformed = false
-    var isTranscoding: Bool = false
+    // A flag variable determinging if we should perform the initial seek. Its either transcoding or offline playback. that makes
+    var shouldPerformInitialSeek: Bool = false
+    
 
     // MARK: - Initialization
     required init(appContext: AppContext? = nil) {
@@ -265,12 +267,11 @@ class VlcPlayerView: ExpoView {
                 return
             }
 
-            if uri.contains("m3u8") {
-                self.isTranscoding = true
-            }
             let autoplay = source["autoplay"] as? Bool ?? false
             let isNetwork = source["isNetwork"] as? Bool ?? false
 
+            // Set shouldPeformIntial based on isTranscoding and is not a network stream
+            self.shouldPerformInitialSeek = uri.contains("m3u8") || !isNetwork
             self.onVideoLoadStart?(["target": self.reactTag ?? NSNull()])
 
             let media: VLCMedia!
@@ -295,7 +296,7 @@ class VlcPlayerView: ExpoView {
             if autoplay {
                 logger.info("Playing...")
                 // The Video is not transcoding so it its safe to seek to the start position.
-                if !self.isTranscoding {
+                if !self.shouldPerformInitialSeek {
                     self.vlc.player.time = VLCTime(number: NSNumber(value: self.startPosition * 1000))
                 }
                 self.play()
diff --git a/utils/jellyfin/media/getStreamUrl.ts b/utils/jellyfin/media/getStreamUrl.ts
index 6960c388..fbabf2a4 100644
--- a/utils/jellyfin/media/getStreamUrl.ts
+++ b/utils/jellyfin/media/getStreamUrl.ts
@@ -1,12 +1,10 @@
-import generateDeviceProfile from "@/utils/profiles/native";
 import type { Api } from "@jellyfin/sdk";
 import type {
   BaseItemDto,
   MediaSourceInfo,
-  PlaybackInfoResponse,
 } from "@jellyfin/sdk/lib/generated-client/models";
 import { getMediaInfoApi } from "@jellyfin/sdk/lib/utils/api";
-import { Alert } from "react-native";
+import generateDeviceProfile from "@/utils/profiles/native";
 
 export const getStreamUrl = async ({
   api,
@@ -33,7 +31,7 @@ export const getStreamUrl = async ({
   subtitleStreamIndex?: number;
   height?: number;
   mediaSourceId?: string | null;
-  download?: bool;
+  download?: boolean;
   deviceId?: string | null;
 }): Promise<{
   url: string | null;
@@ -73,8 +71,8 @@ export const getStreamUrl = async ({
   }
 
   sessionId = res.data.PlaySessionId || null;
-  mediaSource = res.data.MediaSources[0];
-  let transcodeUrl = mediaSource.TranscodingUrl;
+  mediaSource = res.data.MediaSources?.[0];
+  let transcodeUrl = mediaSource?.TranscodingUrl;
 
   if (transcodeUrl) {
     if (download) {
@@ -125,7 +123,7 @@ export const getStreamUrl = async ({
 
   return {
     url: directPlayUrl,
-    sessionId: sessionId || playSessionId,
+    sessionId: sessionId || playSessionId || null,
     mediaSource,
   };
 };
diff --git a/utils/profiles/native.js b/utils/profiles/native.js
index 7a40dd8a..670d9f89 100644
--- a/utils/profiles/native.js
+++ b/utils/profiles/native.js
@@ -62,7 +62,7 @@ export const generateDeviceProfile = async () => {
     DirectPlayProfiles: [
       {
         Type: MediaTypes.Video,
-        Container: "mp4,mkv,avi,mov,flv,ts,m2ts,webm,ogv,3gp,hls",
+        Container: "mkv,avi,mov,flv,ts,m2ts,webm,ogv,3gp,hls",
         VideoCodec:
           "h264,hevc,mpeg4,divx,xvid,wmv,vc1,vp8,vp9,av1,avi,mpeg,mpeg2video",
         AudioCodec: "aac,ac3,eac3,mp3,flac,alac,opus,vorbis,wma,dts",