Fix Android ANR in SwapSources.

app/src/main/java/com/futo/platformplayer/fragment/channel/tab/ChannelContentsFragment.kt

@@ -209,7 +209,7 @@ class ChannelContentsFragment(private val subType: String? = null) : Fragment(),
         _searchView = searchView
         updateSearchViewVisibility()
 
-        _adapterResults = PreviewContentListAdapter(view.context, FeedStyle.THUMBNAIL, _results, null, Settings.instance.channel.progressBar, viewsToPrepend = arrayListOf(searchView)).apply {
+        _adapterResults = PreviewContentListAdapter(lifecycleScope, view.context, FeedStyle.THUMBNAIL, _results, null, Settings.instance.channel.progressBar, viewsToPrepend = arrayListOf(searchView)).apply {
             this.onContentUrlClicked.subscribe(this@ChannelContentsFragment.onContentUrlClicked::emit);
             this.onUrlClicked.subscribe(this@ChannelContentsFragment.onUrlClicked::emit);
             this.onContentClicked.subscribe { content, num ->

app/src/main/java/com/futo/platformplayer/fragment/channel/tab/ChannelPlaylistsFragment.kt

@@ -148,7 +148,7 @@ class ChannelPlaylistsFragment : Fragment(), IChannelTabFragment {
         _recyclerResults = view.findViewById(R.id.recycler_videos)
 
         _adapterResults = PreviewContentListAdapter(
-            view.context, FeedStyle.THUMBNAIL, _results, null, Settings.instance.channel.progressBar
+            lifecycleScope, view.context, FeedStyle.THUMBNAIL, _results, null, Settings.instance.channel.progressBar
         ).apply {
             this.onContentUrlClicked.subscribe(this@ChannelPlaylistsFragment.onContentUrlClicked::emit)
             this.onUrlClicked.subscribe(this@ChannelPlaylistsFragment.onUrlClicked::emit)

app/src/main/java/com/futo/platformplayer/fragment/mainactivity/main/ContentFeedView.kt

@@ -4,6 +4,7 @@ import android.content.Context
 import android.util.Log
 import android.view.LayoutInflater
 import android.widget.LinearLayout
+import androidx.lifecycle.lifecycleScope
 import androidx.recyclerview.widget.GridLayoutManager
 import androidx.recyclerview.widget.RecyclerView
 import com.futo.platformplayer.R
@@ -19,6 +20,7 @@ import com.futo.platformplayer.api.media.models.video.IPlatformVideo
 import com.futo.platformplayer.api.media.models.video.SerializedPlatformVideo
 import com.futo.platformplayer.api.media.platforms.js.models.JSWeb
 import com.futo.platformplayer.api.media.structures.IPager
+import com.futo.platformplayer.fragment.mainactivity.main.ShortView.Companion
 import com.futo.platformplayer.logging.Logger
 import com.futo.platformplayer.states.StateMeta
 import com.futo.platformplayer.states.StatePlayer
@@ -34,6 +36,9 @@ import com.futo.platformplayer.views.adapters.feedtypes.PreviewVideoViewHolder
 import com.futo.platformplayer.views.overlays.slideup.SlideUpMenuItem
 import com.futo.platformplayer.views.overlays.slideup.SlideUpMenuOverlay
 import com.futo.platformplayer.withTimestamp
+import kotlinx.coroutines.CoroutineScope
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.launch
 import kotlin.math.floor
 import kotlin.math.max
 
@@ -59,7 +64,7 @@ abstract class ContentFeedView<TFragment> : FeedView<TFragment, IPlatformContent
         player.modifyState("ThumbnailPlayer") { state -> state.muted = true };
         _exoPlayer = player;
 
-        return PreviewContentListAdapter(context, feedStyle, dataset, player, _previewsEnabled, arrayListOf(), arrayListOf(), shouldShowTimeBar).apply {
+        return PreviewContentListAdapter(fragment.lifecycleScope, context, feedStyle, dataset, player, _previewsEnabled, arrayListOf(), arrayListOf(), shouldShowTimeBar).apply {
             attachAdapterEvents(this);
         }
     }
@@ -246,8 +251,14 @@ abstract class ContentFeedView<TFragment> : FeedView<TFragment, IPlatformContent
         }
 
         //TODO: Is this still necessary?
+        fragment.lifecycleScope.launch(Dispatchers.Main) {
+            try {
                 if(viewHolder.childViewHolder is ContentPreviewViewHolder)
                     (recyclerData.adapter as PreviewContentListAdapter?)?.preview(viewHolder.childViewHolder)
+            } catch (e: Throwable) {
+                Logger.e(TAG, "playPreview failed", e)
+            }
+        }
     }
 
     private fun stopVideo() {

app/src/main/java/com/futo/platformplayer/fragment/mainactivity/main/ShortView.kt

@@ -54,6 +54,8 @@ import com.futo.platformplayer.api.media.models.subtitles.ISubtitleSource
 import com.futo.platformplayer.api.media.models.video.IPlatformVideo
 import com.futo.platformplayer.api.media.models.video.IPlatformVideoDetails
 import com.futo.platformplayer.api.media.platforms.js.SourcePluginConfig
+import com.futo.platformplayer.casting.CastConnectionState
+import com.futo.platformplayer.casting.StateCasting
 import com.futo.platformplayer.constructs.Event0
 import com.futo.platformplayer.constructs.Event1
 import com.futo.platformplayer.constructs.Event3
@@ -563,7 +565,13 @@ class ShortView : FrameLayout {
         var toSet: ISubtitleSource? = subtitleSource
         if (_lastSubtitleSource == subtitleSource) toSet = null
 
-        player.swapSubtitles(mainFragment.lifecycleScope, toSet)
+        mainFragment.lifecycleScope.launch(Dispatchers.Main) {
+            try {
+                player.swapSubtitles(toSet)
+            } catch (e: Throwable) {
+                Logger.e(TAG, "handleSelectSubtitleTrack failed", e)
+            }
+        }
 
         _lastSubtitleSource = toSet
     }
@@ -852,9 +860,16 @@ class ShortView : FrameLayout {
                     }
                 })
             else player.setArtwork(null)
+
+            mainFragment.lifecycleScope.launch(Dispatchers.Main) {
+                try {
                     player.setSource(videoSource, audioSource, play = true, keepSubtitles = false, resume = resumePositionMs > 0)
-            if (subtitleSource != null) player.swapSubtitles(mainFragment.lifecycleScope, subtitleSource)
+                    if (subtitleSource != null) player.swapSubtitles(subtitleSource)
                     player.seekTo(resumePositionMs)
+                } catch (e: Throwable) {
+                    Logger.e(TAG, "playVideo failed", e)
+                }
+            }
 
             _lastVideoSource = videoSource
             _lastAudioSource = audioSource

app/src/main/java/com/futo/platformplayer/fragment/mainactivity/main/VideoDetailView.kt

@@ -1925,13 +1925,28 @@ class VideoDetailView : ConstraintLayout {
                     else
                         _player.setArtwork(null);
                 }
+
+                fragment.lifecycleScope.launch(Dispatchers.Main) {
+                    try {
                         _player.setSource(videoSource, audioSource, _playWhenReady && playWhenReady, false, resume = resumePositionMs > 0);
                         if(subtitleSource != null)
-                    _player.swapSubtitles(fragment.lifecycleScope, subtitleSource);
+                            _player.swapSubtitles(subtitleSource);
                         _player.seekTo(resumePositionMs);
+                    } catch (e: Throwable) {
+                        Logger.e(TAG, "loadCurrentVideo failed", e)
                     }
-            else
+                }
+            }
+            else {
+                fragment.lifecycleScope.launch(Dispatchers.Main) {
+                    try {
                         loadCurrentVideoCast(video, videoSource, audioSource, subtitleSource, resumePositionMs, Settings.instance.playback.getDefaultPlaybackSpeed().toDouble());
+                    } catch (e: Throwable) {
+                        Logger.e(TAG, "loadCurrentVideo failed (casting)", e)
+                    }
+                }
+            }
+
 
             _lastVideoSource = videoSource;
             _lastAudioSource = audioSource;
@@ -1946,13 +1961,12 @@ class VideoDetailView : ConstraintLayout {
             UIDialogs.showGeneralErrorDialog(context, context.getString(R.string.failed_to_load_media), ex);
         }
     }
-    private fun loadCurrentVideoCast(video: IPlatformVideoDetails, videoSource: IVideoSource?, audioSource: IAudioSource?, subtitleSource: ISubtitleSource?, resumePositionMs: Long, speed: Double?) {
+    private suspend fun loadCurrentVideoCast(video: IPlatformVideoDetails, videoSource: IVideoSource?, audioSource: IAudioSource?, subtitleSource: ISubtitleSource?, resumePositionMs: Long, speed: Double?) {
         Logger.i(TAG, "loadCurrentVideoCast(video=$video, videoSource=$videoSource, audioSource=$audioSource, resumePositionMs=$resumePositionMs)")
         castIfAvailable(context.contentResolver, video, videoSource, audioSource, subtitleSource, resumePositionMs, speed)
     }
 
-    private fun castIfAvailable(contentResolver: ContentResolver, video: IPlatformVideoDetails, videoSource: IVideoSource?, audioSource: IAudioSource?, subtitleSource: ISubtitleSource?, resumePositionMs: Long, speed: Double?) {
+    private suspend fun castIfAvailable(contentResolver: ContentResolver, video: IPlatformVideoDetails, videoSource: IVideoSource?, audioSource: IAudioSource?, subtitleSource: ISubtitleSource?, resumePositionMs: Long, speed: Double?) {
-        fragment.lifecycleScope.launch(Dispatchers.IO) {
         try {
             val plugin = if (videoSource is JSSource) videoSource.getUnderlyingPlugin()
                 else if (audioSource is JSSource) audioSource.getUnderlyingPlugin()
@@ -1988,7 +2002,6 @@ class VideoDetailView : ConstraintLayout {
             Logger.e(TAG, "loadCurrentVideoCast", e)
         }
     }
-    }
 
     //Events
     @androidx.annotation.OptIn(UnstableApi::class)
@@ -2501,11 +2514,17 @@ class VideoDetailView : ConstraintLayout {
         if(_lastVideoSource == videoSource)
             return;
 
+        fragment.lifecycleScope.launch(Dispatchers.Main) {
+            try {
                 val d = StateCasting.instance.activeDevice;
                 if (d != null && d.connectionState == CastConnectionState.CONNECTED)
                     castIfAvailable(context.contentResolver, video, videoSource, _lastAudioSource, _lastSubtitleSource, (d.expectedCurrentTime * 1000.0).toLong(), d.speed);
                 else if(!_player.swapSources(videoSource, _lastAudioSource, true, true, true))
                     _player.hideControls(false); //TODO: Disable player?
+            } catch (e: Throwable) {
+                Logger.e(TAG, "handleSelectVideoTrack failed", e)
+            }
+        }
 
         _lastVideoSource = videoSource;
     }
@@ -2516,11 +2535,17 @@ class VideoDetailView : ConstraintLayout {
         if(_lastAudioSource == audioSource)
             return;
 
+        fragment.lifecycleScope.launch(Dispatchers.Main) {
+            try {
                 val d = StateCasting.instance.activeDevice;
                 if (d != null && d.connectionState == CastConnectionState.CONNECTED)
                     castIfAvailable(context.contentResolver, video, _lastVideoSource, audioSource, _lastSubtitleSource, (d.expectedCurrentTime * 1000.0).toLong(), d.speed)
-        else(!_player.swapSources(_lastVideoSource, audioSource, true, true, true))
+                else if (!_player.swapSources(_lastVideoSource, audioSource, true, true, true))
                     _player.hideControls(false); //TODO: Disable player?
+            } catch (e: Throwable) {
+                Logger.e(TAG, "handleSelectAudioTrack failed", e)
+            }
+        }
 
         _lastAudioSource = audioSource;
     }
@@ -2532,12 +2557,20 @@ class VideoDetailView : ConstraintLayout {
         if(_lastSubtitleSource == subtitleSource)
             toSet = null;
 
+        fragment.lifecycleScope.launch(Dispatchers.Main) {
+            try {
                 val d = StateCasting.instance.activeDevice;
                 if (d != null && d.connectionState == CastConnectionState.CONNECTED)
                     castIfAvailable(context.contentResolver, video, _lastVideoSource, _lastAudioSource, toSet, (d.expectedCurrentTime * 1000.0).toLong(), d.speed);
-        else
+                else {
-            _player.swapSubtitles(fragment.lifecycleScope, toSet);
+                    withContext(Dispatchers.Main) {
-
+                        _player.swapSubtitles(toSet);
+                    }
+                }
+            } catch (e: Throwable) {
+                Logger.e(TAG, "handleSelectAudioTrack failed", e)
+            }
+        }
         _lastSubtitleSource = toSet;
     }
 

app/src/main/java/com/futo/platformplayer/views/adapters/ContentPreviewViewHolder.kt

@@ -10,7 +10,7 @@ abstract class ContentPreviewViewHolder(itemView: View) : ViewHolder(itemView) {
 
     abstract fun bind(content: IPlatformContent);
 
-    abstract fun preview(details: IPlatformContentDetails?, paused: Boolean);
+    abstract suspend fun preview(details: IPlatformContentDetails?, paused: Boolean);
     abstract fun stopPreview();
     abstract fun pausePreview();
     abstract fun resumePreview();

app/src/main/java/com/futo/platformplayer/views/adapters/EmptyPreviewViewHolder.kt

@@ -11,7 +11,7 @@ class EmptyPreviewViewHolder(viewGroup: ViewGroup) : ContentPreviewViewHolder(Vi
 
     override fun bind(content: IPlatformContent) {}
 
-    override fun preview(details: IPlatformContentDetails?, paused: Boolean) {}
+    override suspend fun preview(details: IPlatformContentDetails?, paused: Boolean) {}
 
     override fun stopPreview() {}
 

app/src/main/java/com/futo/platformplayer/views/adapters/feedtypes/PreviewChannelViewHolder.kt

@@ -29,7 +29,7 @@ class PreviewChannelViewHolder : ContentPreviewViewHolder {
 
     override fun bind(content: IPlatformContent) = view.bind(content);
 
-    override fun preview(details: IPlatformContentDetails?, paused: Boolean) = Unit;
+    override suspend fun preview(details: IPlatformContentDetails?, paused: Boolean) = Unit;
     override fun stopPreview() = Unit;
     override fun pausePreview() = Unit;
     override fun resumePreview() = Unit;

app/src/main/java/com/futo/platformplayer/views/adapters/feedtypes/PreviewContentListAdapter.kt

@@ -4,6 +4,7 @@ import android.content.Context
 import android.util.Log
 import android.view.View
 import android.view.ViewGroup
+import androidx.lifecycle.lifecycleScope
 import com.futo.platformplayer.api.media.models.PlatformAuthorLink
 import com.futo.platformplayer.api.media.models.contents.ContentType
 import com.futo.platformplayer.api.media.models.contents.IPlatformContent
@@ -15,6 +16,8 @@ import com.futo.platformplayer.constructs.Event1
 import com.futo.platformplayer.constructs.Event2
 import com.futo.platformplayer.constructs.TaskHandler
 import com.futo.platformplayer.debug.Stopwatch
+import com.futo.platformplayer.fragment.mainactivity.main.ShortView
+import com.futo.platformplayer.fragment.mainactivity.main.ShortView.Companion
 import com.futo.platformplayer.logging.Logger
 import com.futo.platformplayer.states.StateApp
 import com.futo.platformplayer.states.StatePlatform
@@ -23,6 +26,9 @@ import com.futo.platformplayer.views.FeedStyle
 import com.futo.platformplayer.views.adapters.ContentPreviewViewHolder
 import com.futo.platformplayer.views.adapters.EmptyPreviewViewHolder
 import com.futo.platformplayer.views.adapters.InsertedViewAdapterWithLoader
+import kotlinx.coroutines.CoroutineScope
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.launch
 import okhttp3.internal.platform.Platform
 
 class PreviewContentListAdapter : InsertedViewAdapterWithLoader<ContentPreviewViewHolder> {
@@ -33,6 +39,7 @@ class PreviewContentListAdapter : InsertedViewAdapterWithLoader<ContentPreviewVi
     private val _feedStyle : FeedStyle;
     private var _paused: Boolean = false;
     private val _shouldShowTimeBar: Boolean
+    private val _scope: CoroutineScope
 
     val onUrlClicked = Event1<String>();
     val onContentUrlClicked = Event2<String, ContentType>();
@@ -43,15 +50,9 @@ class PreviewContentListAdapter : InsertedViewAdapterWithLoader<ContentPreviewVi
     val onAddToWatchLaterClicked = Event1<IPlatformContent>();
     val onLongPress = Event1<IPlatformContent>();
 
-    private var _taskLoadContent = TaskHandler<Pair<ContentPreviewViewHolder, IPlatformContent>, Pair<ContentPreviewViewHolder, IPlatformContentDetails>>(
+    private var _taskLoadContent: TaskHandler<Pair<ContentPreviewViewHolder, IPlatformContent>, Pair<ContentPreviewViewHolder, IPlatformContentDetails>>
-        StateApp.instance.scopeGetter, { (viewHolder, video) ->
-        val stopwatch = Stopwatch()
-        val contentDetails = StatePlatform.instance.getContentDetails(video.url).await();
-        stopwatch.logAndNext(TAG, "Retrieving video detail (IO thread)")
-        return@TaskHandler Pair(viewHolder, contentDetails)
-    }).exception<Throwable> { Logger.e(TAG, "Failed to retrieve preview content.", it) }.success { previewContentDetails(it.first, it.second) }
 
-    constructor(context: Context, feedStyle : FeedStyle, dataSet: ArrayList<IPlatformContent>, exoPlayer: PlayerManager? = null,
+    constructor(scope: CoroutineScope, context: Context, feedStyle : FeedStyle, dataSet: ArrayList<IPlatformContent>, exoPlayer: PlayerManager? = null,
                 initialPlay: Boolean = false, viewsToPrepend: ArrayList<View> = arrayListOf(),
                 viewsToAppend: ArrayList<View> = arrayListOf(), shouldShowTimeBar: Boolean = true) : super(context, viewsToPrepend, viewsToAppend) {
 
@@ -60,6 +61,24 @@ class PreviewContentListAdapter : InsertedViewAdapterWithLoader<ContentPreviewVi
         this._initialPlay = initialPlay;
         this._exoPlayer = exoPlayer;
         this._shouldShowTimeBar = shouldShowTimeBar
+        this._scope = scope
+
+        _taskLoadContent = TaskHandler<Pair<ContentPreviewViewHolder, IPlatformContent>, Pair<ContentPreviewViewHolder, IPlatformContentDetails>>(
+            { scope }, { (viewHolder, video) ->
+                val stopwatch = Stopwatch()
+                val contentDetails = StatePlatform.instance.getContentDetails(video.url).await();
+                stopwatch.logAndNext(TAG, "Retrieving video detail (IO thread)")
+                return@TaskHandler Pair(viewHolder, contentDetails)
+            }).exception<Throwable> { Logger.e(TAG, "Failed to retrieve preview content.", it) }.success {
+
+            _scope.launch(Dispatchers.Main) {
+                try {
+                    previewContentDetails(it.first, it.second)
+                } catch (e: Throwable) {
+                    Logger.e(TAG, "bindChild preview failed", e)
+                }
+            }
+        }
     }
 
     override fun getChildCount(): Int = _dataSet.size;
@@ -132,12 +151,18 @@ class PreviewContentListAdapter : InsertedViewAdapterWithLoader<ContentPreviewVi
             _initialPlay = false;
 
             if (_feedStyle != FeedStyle.THUMBNAIL) {
-                preview(holder);
+                _scope.launch(Dispatchers.Main) {
+                    try {
+                        preview(holder)
+                    } catch (e: Throwable) {
+                        Logger.e(TAG, "bindChild preview failed", e)
+                    }
+                }
             }
         }
     }
 
-    fun preview(viewHolder: ContentPreviewViewHolder) {
+    suspend fun preview(viewHolder: ContentPreviewViewHolder) {
         Log.v(TAG, "previewing content");
         if (viewHolder == _previewingViewHolder)
             return
@@ -175,7 +200,7 @@ class PreviewContentListAdapter : InsertedViewAdapterWithLoader<ContentPreviewVi
         onAddToWatchLaterClicked.clear();
     }
 
-    private fun previewContentDetails(viewHolder: ContentPreviewViewHolder, videoDetails: IPlatformContentDetails?) {
+    private suspend fun previewContentDetails(viewHolder: ContentPreviewViewHolder, videoDetails: IPlatformContentDetails?) {
         _previewingViewHolder?.stopPreview();
         viewHolder.preview(videoDetails, _paused);
         _previewingViewHolder = viewHolder;

app/src/main/java/com/futo/platformplayer/views/adapters/feedtypes/PreviewLockedViewHolder.kt

@@ -25,7 +25,7 @@ class PreviewLockedViewHolder : ContentPreviewViewHolder {
 
     override fun bind(content: IPlatformContent) = view.bind(content);
 
-    override fun preview(details: IPlatformContentDetails?, paused: Boolean) { }
+    override suspend fun preview(details: IPlatformContentDetails?, paused: Boolean) { }
     override fun stopPreview() { }
     override fun pausePreview() { }
     override fun resumePreview() { }

app/src/main/java/com/futo/platformplayer/views/adapters/feedtypes/PreviewNestedVideoView.kt

@@ -185,7 +185,7 @@ class PreviewNestedVideoView : PreviewVideoView {
         }
     }
 
-    override fun preview(video: IPlatformContentDetails?, paused: Boolean) {
+    override suspend fun preview(video: IPlatformContentDetails?, paused: Boolean) {
         if(video != null) {
             super.preview(video, paused);
         } else if(_content is IPlatformVideoDetails) _contentNested?.let {

app/src/main/java/com/futo/platformplayer/views/adapters/feedtypes/PreviewNestedVideoViewHolder.kt

@@ -40,7 +40,7 @@ class PreviewNestedVideoViewHolder : ContentPreviewViewHolder {
         view.bind(content);
     }
 
-    override fun preview(details: IPlatformContentDetails?, paused: Boolean) {
+    override suspend fun preview(details: IPlatformContentDetails?, paused: Boolean) {
         view.preview(details, paused);
     }
 

app/src/main/java/com/futo/platformplayer/views/adapters/feedtypes/PreviewPlaceholderViewHolder.kt

@@ -58,7 +58,7 @@ class PreviewPlaceholderViewHolder : ContentPreviewViewHolder {
         }
     }
 
-    override fun preview(details: IPlatformContentDetails?, paused: Boolean) { }
+    override suspend fun preview(details: IPlatformContentDetails?, paused: Boolean) { }
     override fun stopPreview() { }
     override fun pausePreview() { }
     override fun resumePreview() { }

app/src/main/java/com/futo/platformplayer/views/adapters/feedtypes/PreviewPlaylistViewHolder.kt

@@ -28,7 +28,7 @@ class PreviewPlaylistViewHolder : ContentPreviewViewHolder {
 
     override fun bind(content: IPlatformContent) = view.bind(content);
 
-    override fun preview(details: IPlatformContentDetails?, paused: Boolean) = Unit;
+    override suspend fun preview(details: IPlatformContentDetails?, paused: Boolean) = Unit;
     override fun stopPreview() = Unit;
     override fun pausePreview() = Unit;
     override fun resumePreview() = Unit;

app/src/main/java/com/futo/platformplayer/views/adapters/feedtypes/PreviewPostViewHolder.kt

@@ -28,7 +28,7 @@ class PreviewPostViewHolder : ContentPreviewViewHolder {
 
     override fun bind(content: IPlatformContent) = view.bind(content);
 
-    override fun preview(details: IPlatformContentDetails?, paused: Boolean) {};
+    override suspend fun preview(details: IPlatformContentDetails?, paused: Boolean) {};
     override fun stopPreview() {};
     override fun pausePreview() {};
     override fun resumePreview() {};

app/src/main/java/com/futo/platformplayer/views/adapters/feedtypes/PreviewVideoView.kt

@@ -248,7 +248,7 @@ open class PreviewVideoView : LinearLayout {
         _textVideoMetadata.text = metadata + timeMeta;
     }
 
-    open fun preview(video: IPlatformContentDetails?, paused: Boolean) {
+    open suspend fun preview(video: IPlatformContentDetails?, paused: Boolean) {
         if(video == null)
             return;
         Logger.i(TAG, "Previewing");

app/src/main/java/com/futo/platformplayer/views/adapters/feedtypes/PreviewVideoViewHolder.kt

@@ -42,7 +42,7 @@ class PreviewVideoViewHolder : ContentPreviewViewHolder {
 
     override fun bind(content: IPlatformContent) = view.bind(content);
 
-    override fun preview(details: IPlatformContentDetails?, paused: Boolean) =  view.preview(details, paused);
+    override suspend fun preview(details: IPlatformContentDetails?, paused: Boolean) =  view.preview(details, paused);
     override fun stopPreview() = view.stopPreview();
     override fun pausePreview() = view.pausePreview();
     override fun resumePreview() = view.resumePreview();

app/src/main/java/com/futo/platformplayer/views/video/FutoThumbnailPlayer.kt

@@ -126,7 +126,7 @@ class FutoThumbnailPlayer : FutoVideoPlayerBase {
         _evMuteChanged.add(callback);
     }
 
-    fun setPreview(video: IPlatformVideoDetails) {
+    suspend fun setPreview(video: IPlatformVideoDetails) {
         if (video.live != null) {
             setSource(video.live, null,true, false);
         } else {

app/src/main/java/com/futo/platformplayer/views/video/FutoVideoPlayerBase.kt

@@ -365,10 +365,11 @@ abstract class FutoVideoPlayerBase : RelativeLayout {
         return _chapters?.let { chaps -> chaps.find { pos.toDouble() / 1000 > it.timeStart && pos.toDouble() / 1000 < it.timeEnd && (toIgnore.isEmpty() || !toIgnore.contains(it)) } };
     }
 
-    fun setSource(videoSource: IVideoSource?, audioSource: IAudioSource? = null, play: Boolean = false, keepSubtitles: Boolean = false, resume: Boolean = false) {
+    suspend fun setSource(videoSource: IVideoSource?, audioSource: IAudioSource? = null, play: Boolean = false, keepSubtitles: Boolean = false, resume: Boolean = false) {
         swapSources(videoSource, audioSource,resume, play, keepSubtitles);
     }
-    fun swapSources(videoSource: IVideoSource?, audioSource: IAudioSource?, resume: Boolean = true, play: Boolean = true, keepSubtitles: Boolean = false): Boolean {
+    suspend fun swapSources(videoSource: IVideoSource?, audioSource: IAudioSource?, resume: Boolean = true, play: Boolean = true, keepSubtitles: Boolean = false): Boolean {
+        val didSet = withContext(Dispatchers.IO) {
             var videoSourceUsed = videoSource;
             var audioSourceUsed = audioSource;
             if(videoSource is JSDashManifestRawSource && audioSource is JSDashManifestRawAudioSource){
@@ -382,31 +383,45 @@ abstract class FutoVideoPlayerBase : RelativeLayout {
             val didSetAudio = swapSourceInternal(audioSourceUsed, play, resume);
             if(!keepSubtitles)
                 _lastSubtitleMediaSource = null;
-        if(didSetVideo && didSetAudio)
+
-            return loadSelectedSources(play, resume);
+            return@withContext didSetVideo && didSetAudio
-        else
-            return true;
         }
-    fun swapSource(videoSource: IVideoSource?, resume: Boolean = true, play: Boolean = true): Boolean {
+
+        return withContext(Dispatchers.Main) {
+            if (didSet)
+                return@withContext loadSelectedSources(play, resume)
+            else
+                return@withContext true
+        }
+    }
+    suspend fun swapSource(videoSource: IVideoSource?, resume: Boolean = true, play: Boolean = true): Boolean {
+        val didSet = withContext(Dispatchers.IO) {
             var videoSourceUsed = videoSource;
-        if(videoSource is JSDashManifestRawSource && lastVideoSource is JSDashManifestMergingRawSource)
+            if (videoSource is JSDashManifestRawSource && lastVideoSource is JSDashManifestMergingRawSource)
                 videoSourceUsed = JSDashManifestMergingRawSource(videoSource, (lastVideoSource as JSDashManifestMergingRawSource).audio);
-        val didSet = swapSourceInternal(videoSourceUsed, play, resume);
+            return@withContext swapSourceInternal(videoSourceUsed, play, resume);
-        if(didSet)
-            return loadSelectedSources(play, resume);
-        else
-            return true;
         }
-    fun swapSource(audioSource: IAudioSource?, resume: Boolean = true, play: Boolean = true): Boolean {
+        return withContext(Dispatchers.Main) {
-        if(audioSource is JSDashManifestRawAudioSource && lastVideoSource is JSDashManifestMergingRawSource)
+            if (didSet)
+                return@withContext loadSelectedSources(play, resume);
+            else
+                return@withContext true;
+        }
+    }
+    suspend fun swapSource(audioSource: IAudioSource?, resume: Boolean = true, play: Boolean = true): Boolean {
+        withContext(Dispatchers.IO) {
+            if (audioSource is JSDashManifestRawAudioSource && lastVideoSource is JSDashManifestMergingRawSource)
                 swapSourceInternal(JSDashManifestMergingRawSource((lastVideoSource as JSDashManifestMergingRawSource).video, audioSource), play, resume);
             else
                 swapSourceInternal(audioSource, play, resume);
-        return loadSelectedSources(play, resume);
+        }
+        return withContext(Dispatchers.Main) {
+            return@withContext loadSelectedSources(play, resume);
+        }
     }
 
     @OptIn(UnstableApi::class)
-    fun swapSubtitles(scope: CoroutineScope, subtitles: ISubtitleSource?) {
+    suspend fun swapSubtitles(subtitles: ISubtitleSource?) {
         if(subtitles == null)
             clearSubtitles();
         else {
@@ -420,9 +435,9 @@ abstract class FutoVideoPlayerBase : RelativeLayout {
                             C.TIME_UNSET);
                     loadSelectedSources(true, true);
                 } else {
-                    scope.launch(Dispatchers.IO) {
+                    withContext(Dispatchers.IO) {
                         try {
-                            val subUri = subtitles.getSubtitlesURI() ?: return@launch;
+                            val subUri = subtitles.getSubtitlesURI() ?: return@withContext;
                             withContext(Dispatchers.Main) {
                                 try {
                                     _lastSubtitleMediaSource = SingleSampleMediaSource.Factory(DefaultDataSource.Factory(context, DefaultHttpDataSource.Factory().setUserAgent(DEFAULT_USER_AGENT)))