From 7f71eef75550661eb9b418ebea31560d457442e3 Mon Sep 17 00:00:00 2001
From: Blatzar <46196380+Blatzar@users.noreply.github.com>
Date: Wed, 26 Oct 2022 14:59:29 +0200
Subject: [PATCH] Allow playback from buffer with no internet

---
 .../cloudstream3/ui/player/CS3IPlayer.kt         | 16 +++++++++++-----
 1 file changed, 11 insertions(+), 5 deletions(-)

diff --git a/app/src/main/java/com/lagradost/cloudstream3/ui/player/CS3IPlayer.kt b/app/src/main/java/com/lagradost/cloudstream3/ui/player/CS3IPlayer.kt
index ea466120..a838c85c 100644
--- a/app/src/main/java/com/lagradost/cloudstream3/ui/player/CS3IPlayer.kt
+++ b/app/src/main/java/com/lagradost/cloudstream3/ui/player/CS3IPlayer.kt
@@ -17,10 +17,7 @@ import com.google.android.exoplayer2.text.TextRenderer
 import com.google.android.exoplayer2.trackselection.DefaultTrackSelector
 import com.google.android.exoplayer2.trackselection.TrackSelector
 import com.google.android.exoplayer2.ui.SubtitleView
-import com.google.android.exoplayer2.upstream.DataSource
-import com.google.android.exoplayer2.upstream.DefaultDataSourceFactory
-import com.google.android.exoplayer2.upstream.DefaultHttpDataSource
-import com.google.android.exoplayer2.upstream.HttpDataSource
+import com.google.android.exoplayer2.upstream.*
 import com.google.android.exoplayer2.upstream.cache.CacheDataSource
 import com.google.android.exoplayer2.upstream.cache.LeastRecentlyUsedCacheEvictor
 import com.google.android.exoplayer2.upstream.cache.SimpleCache
@@ -880,7 +877,16 @@ class CS3IPlayer : IPlayer {
                 }
 
                 override fun onPlayerError(error: PlaybackException) {
-                    playerError?.invoke(error)
+                    // If the Network fails then ignore the exception if the duration is set.
+                    // This is to switch mirrors automatically if the stream has not been fetched, but
+                    // allow playing the buffer without internet as then the duration is fetched.
+                    if (error.errorCode == PlaybackException.ERROR_CODE_IO_NETWORK_CONNECTION_FAILED
+                        && exoPlayer?.duration != C.TIME_UNSET
+                    ) {
+                        exoPlayer?.prepare()
+                    } else {
+                        playerError?.invoke(error)
+                    }
 
                     super.onPlayerError(error)
                 }