From 8202513993aca4fdd4e720331a6167648243a6fa Mon Sep 17 00:00:00 2001
From: Kai <git@seaoflaurels.com>
Date: Thu, 22 May 2025 12:12:34 -0500
Subject: [PATCH] fix stutter when switching to background

Changelog: changed
---
 .../main/java/com/futo/platformplayer/Settings.kt  |  5 -----
 .../fragment/mainactivity/main/VideoDetailView.kt  |  2 +-
 .../views/video/FutoVideoPlayerBase.kt             | 14 ++++++++++++--
 app/src/main/res/values/strings.xml                |  1 -
 4 files changed, 13 insertions(+), 9 deletions(-)

diff --git a/app/src/main/java/com/futo/platformplayer/Settings.kt b/app/src/main/java/com/futo/platformplayer/Settings.kt
index 7f827f66..cc70191a 100644
--- a/app/src/main/java/com/futo/platformplayer/Settings.kt
+++ b/app/src/main/java/com/futo/platformplayer/Settings.kt
@@ -467,11 +467,6 @@ class Settings : FragmentedStorageFileJson() {
         @FormField(R.string.live_chat_webview, FieldForm.TOGGLE, R.string.use_the_live_chat_web_window_when_available_over_native_implementation, 9)
         var useLiveChatWindow: Boolean = true;
 
-
-
-        @FormField(R.string.background_switch_audio, FieldForm.TOGGLE, R.string.background_switch_audio_description, 10)
-        var backgroundSwitchToAudio: Boolean = true;
-
         @FormField(R.string.restart_after_audio_focus_loss, FieldForm.DROPDOWN, R.string.restart_playback_when_gaining_audio_focus_after_a_loss, 11)
         @DropdownFieldOptionsId(R.array.restart_playback_after_loss)
         var restartPlaybackAfterLoss: Int = 1;
diff --git a/app/src/main/java/com/futo/platformplayer/fragment/mainactivity/main/VideoDetailView.kt b/app/src/main/java/com/futo/platformplayer/fragment/mainactivity/main/VideoDetailView.kt
index d1a3e41e..901a4898 100644
--- a/app/src/main/java/com/futo/platformplayer/fragment/mainactivity/main/VideoDetailView.kt
+++ b/app/src/main/java/com/futo/platformplayer/fragment/mainactivity/main/VideoDetailView.kt
@@ -1104,7 +1104,7 @@ class VideoDetailView : ConstraintLayout {
             when (Settings.instance.playback.backgroundPlay) {
                 0 -> handlePause();
                 1 -> {
-                    if(!(video?.isLive ?: false) && Settings.instance.playback.backgroundSwitchToAudio)
+                    if(!(video?.isLive ?: false))
                         _player.switchToAudioMode();
                     StatePlayer.instance.startOrUpdateMediaSession(context, video);
                 }
diff --git a/app/src/main/java/com/futo/platformplayer/views/video/FutoVideoPlayerBase.kt b/app/src/main/java/com/futo/platformplayer/views/video/FutoVideoPlayerBase.kt
index c872ca02..60c5dbf2 100644
--- a/app/src/main/java/com/futo/platformplayer/views/video/FutoVideoPlayerBase.kt
+++ b/app/src/main/java/com/futo/platformplayer/views/video/FutoVideoPlayerBase.kt
@@ -252,12 +252,22 @@ abstract class FutoVideoPlayerBase : RelativeLayout {
     fun switchToVideoMode() {
         Logger.i(TAG, "Switching to Video Mode");
         isAudioMode = false;
-        loadSelectedSources(playing, true);
+        val player = exoPlayer ?: return
+        player.player.trackSelectionParameters =
+            player.player.trackSelectionParameters
+                .buildUpon()
+                .setTrackTypeDisabled(C.TRACK_TYPE_VIDEO, isAudioMode)
+                .build()
     }
     fun switchToAudioMode() {
         Logger.i(TAG, "Switching to Audio Mode");
         isAudioMode = true;
-        loadSelectedSources(playing, true);
+        val player = exoPlayer ?: return
+        player.player.trackSelectionParameters =
+            player.player.trackSelectionParameters
+                .buildUpon()
+                .setTrackTypeDisabled(C.TRACK_TYPE_VIDEO, isAudioMode)
+                .build()
     }
 
     fun seekTo(ms: Long) {
diff --git a/app/src/main/res/values/strings.xml b/app/src/main/res/values/strings.xml
index f81f1642..85445796 100644
--- a/app/src/main/res/values/strings.xml
+++ b/app/src/main/res/values/strings.xml
@@ -427,7 +427,6 @@
     <string name="seek_offset">Seek duration</string>
     <string name="seek_offset_description">Fast-Forward / Fast-Rewind duration</string>
     <string name="background_switch_audio">Switch to Audio in Background</string>
-    <string name="background_switch_audio_description">Optimize bandwidth usage by switching to audio-only stream in background if available, may cause stutter</string>
     <string name="subscription_group_menu">Groups</string>
     <string name="show_subscription_group">Show Subscription Groups</string>
     <string name="use_subscription_exchange">Use Subscription Exchange (Experimental)</string>