isBusy checks and locking improvements

app/src/main/java/com/futo/platformplayer/Extensions_V8.kt

@@ -95,11 +95,11 @@ inline fun <reified T> V8ValueArray.expectV8Variants(config: IV8PluginConfig, co
             .map { kv-> kv.second.orNull { it.expectV8Variant<T>(config, contextName + "[${kv.first}]", ) } as T };
 }
 
-inline fun <reified T> V8Value.expectV8Variant(config: IV8PluginConfig, contextName: String): T {
+inline fun V8Plugin.ensureIsBusy() {
-    if(false)
+    this.let {
-    {
-        this?.getSourcePlugin()?.let {
         if (!it.isThreadAlreadyBusy()) {
+            throw IllegalStateException("Tried to access V8Plugin without busy");
+            /*
             val stacktrace = Thread.currentThread().stackTrace;
             Logger.w("Extensions_V8",
                 "V8 USE OUTSIDE BUSY: " + stacktrace.drop(3)?.firstOrNull().toString() +
@@ -107,9 +107,19 @@ inline fun <reified T> V8Value.expectV8Variant(config: IV8PluginConfig, contextN
                         ", " + stacktrace.drop(5)?.firstOrNull()?.toString() +
                         ", " + stacktrace.drop(6)?.firstOrNull()?.toString()
             )
+            */
         }
     }
 }
+inline fun V8Value.ensureIsBusy() {
+    this?.getSourcePlugin()?.let {
+        it.ensureIsBusy();
+    }
+}
+
+inline fun <reified T> V8Value.expectV8Variant(config: IV8PluginConfig, contextName: String): T {
+    if(true)
+        ensureIsBusy();
     return when(T::class) {
         String::class -> this.expectOrThrow<V8ValueString>(config, contextName).value as T;
         Int::class -> {

app/src/main/java/com/futo/platformplayer/api/media/PlatformID.kt

@@ -2,6 +2,7 @@ package com.futo.platformplayer.api.media
 
 import com.caoccao.javet.values.reference.V8ValueObject
 import com.futo.platformplayer.api.media.platforms.js.SourcePluginConfig
+import com.futo.platformplayer.ensureIsBusy
 import com.futo.platformplayer.getOrDefault
 import com.futo.platformplayer.getOrThrow
 import com.futo.platformplayer.getOrThrowNullable
@@ -44,6 +45,7 @@ class PlatformID {
         val NONE = PlatformID("Unknown", null);
 
         fun fromV8(config: SourcePluginConfig, value: V8ValueObject): PlatformID {
+            value.ensureIsBusy();
             val contextName = "PlatformID";
             return PlatformID(
                 value.getOrThrow(config, "platform", contextName),

app/src/main/java/com/futo/platformplayer/api/media/models/PlatformAuthorLink.kt

@@ -6,6 +6,7 @@ import com.futo.platformplayer.api.media.models.contents.ContentType
 import com.futo.platformplayer.api.media.models.contents.IPlatformContent
 import com.futo.platformplayer.api.media.platforms.js.SourcePluginConfig
 import com.futo.platformplayer.api.media.platforms.js.models.JSContent
+import com.futo.platformplayer.ensureIsBusy
 import com.futo.platformplayer.getOrDefault
 import com.futo.platformplayer.getOrThrow
 
@@ -33,6 +34,7 @@ open class PlatformAuthorLink {
         val UNKNOWN = PlatformAuthorLink(PlatformID.NONE, "Unknown", "", null, null);
 
         fun fromV8(config: SourcePluginConfig, value: V8ValueObject): PlatformAuthorLink {
+            value.ensureIsBusy();
             if(value.has("membershipUrl"))
                 return PlatformAuthorMembershipLink.fromV8(config, value);
 

app/src/main/java/com/futo/platformplayer/api/media/models/PlatformAuthorMembershipLink.kt

@@ -3,6 +3,7 @@ package com.futo.platformplayer.api.media.models
 import com.caoccao.javet.values.reference.V8ValueObject
 import com.futo.platformplayer.api.media.PlatformID
 import com.futo.platformplayer.api.media.platforms.js.SourcePluginConfig
+import com.futo.platformplayer.ensureIsBusy
 import com.futo.platformplayer.getOrDefault
 import com.futo.platformplayer.getOrThrow
 
@@ -20,6 +21,7 @@ class PlatformAuthorMembershipLink: PlatformAuthorLink {
 
     companion object {
         fun fromV8(config: SourcePluginConfig, value: V8ValueObject): PlatformAuthorMembershipLink {
+            value.ensureIsBusy();
             val context = "AuthorMembershipLink"
             return PlatformAuthorMembershipLink(PlatformID.fromV8(config, value.getOrThrow(config, "id", context, false)),
                 value.getOrThrow(config ,"name", context),

app/src/main/java/com/futo/platformplayer/api/media/models/ResultCapabilities.kt

@@ -5,6 +5,7 @@ import com.caoccao.javet.values.primitive.V8ValueInteger
 import com.caoccao.javet.values.reference.V8ValueArray
 import com.caoccao.javet.values.reference.V8ValueObject
 import com.futo.platformplayer.engine.IV8PluginConfig
+import com.futo.platformplayer.ensureIsBusy
 import com.futo.platformplayer.expectV8Variant
 import com.futo.platformplayer.getOrDefault
 import com.futo.platformplayer.getOrThrow
@@ -46,6 +47,7 @@ class ResultCapabilities(
 
         fun fromV8(config: IV8PluginConfig, value: V8ValueObject): ResultCapabilities {
             val contextName = "ResultCapabilities";
+            value.ensureIsBusy();
             return ResultCapabilities(
                 value.getOrThrow<V8ValueArray>(config, "types", contextName).toArray().map { it.expectV8Variant(config, "Capabilities.types") },
                 value.getOrThrow<V8ValueArray>(config, "sorts", contextName).toArray().map { it.expectV8Variant(config, "Capabilities.sorts"); },
@@ -69,6 +71,7 @@ class FilterGroup(
 
     companion object {
         fun fromV8(config: IV8PluginConfig, value: V8ValueObject): FilterGroup {
+            value.ensureIsBusy();
             return FilterGroup(
                 value.getString("name"),
                 value.getOrDefault<V8ValueArray>(config, "filters", "FilterGroup", null)
@@ -90,6 +93,7 @@ class FilterCapability(
 
     companion object {
         fun fromV8(obj: V8ValueObject): FilterCapability {
+            obj.ensureIsBusy();
             val value = obj.get("value") as V8Value;
             return FilterCapability(
                 obj.getString("name"),

app/src/main/java/com/futo/platformplayer/api/media/models/Thumbnails.kt

@@ -4,6 +4,7 @@ import com.caoccao.javet.values.reference.V8ValueArray
 import com.caoccao.javet.values.reference.V8ValueObject
 import com.futo.platformplayer.engine.IV8PluginConfig
 import com.futo.platformplayer.engine.V8PluginConfig
+import com.futo.platformplayer.ensureIsBusy
 import com.futo.platformplayer.getOrDefault
 import com.futo.platformplayer.getOrThrow
 
@@ -31,6 +32,7 @@ class Thumbnails {
 
     companion object {
         fun fromV8(config: IV8PluginConfig, value: V8ValueObject): Thumbnails {
+            value.ensureIsBusy();
             return Thumbnails((value.getOrThrow<V8ValueArray>(config, "sources", "Thumbnails"))
                 .toArray()
                 .map { Thumbnail.fromV8(config, it as V8ValueObject) }

app/src/main/java/com/futo/platformplayer/api/media/models/live/IPlatformLiveEvent.kt

@@ -2,6 +2,7 @@ package com.futo.platformplayer.api.media.models.live
 
 import com.caoccao.javet.values.reference.V8ValueObject
 import com.futo.platformplayer.engine.IV8PluginConfig
+import com.futo.platformplayer.ensureIsBusy
 import com.futo.platformplayer.getOrThrow
 
 interface IPlatformLiveEvent {
@@ -10,6 +11,7 @@ interface IPlatformLiveEvent {
 
     companion object {
         fun fromV8(config: IV8PluginConfig, obj: V8ValueObject, contextName: String = "LiveEvent") : IPlatformLiveEvent {
+            obj.ensureIsBusy();
             val t = LiveEventType.fromInt(obj.getOrThrow<Int>(config, "type", contextName));
             return when(t) {
                 LiveEventType.COMMENT -> LiveEventComment.fromV8(config, obj);

app/src/main/java/com/futo/platformplayer/api/media/models/live/LiveEventComment.kt

@@ -4,6 +4,7 @@ import com.caoccao.javet.values.reference.V8ValueArray
 import com.caoccao.javet.values.reference.V8ValueObject
 import com.futo.platformplayer.api.media.models.ratings.RatingLikes
 import com.futo.platformplayer.engine.IV8PluginConfig
+import com.futo.platformplayer.ensureIsBusy
 import com.futo.platformplayer.getOrDefault
 import com.futo.platformplayer.getOrThrow
 
@@ -27,6 +28,8 @@ class LiveEventComment: IPlatformLiveEvent, ILiveEventChatMessage {
 
     companion object {
         fun fromV8(config: IV8PluginConfig, obj: V8ValueObject) : LiveEventComment {
+            obj.ensureIsBusy();
+
             val contextName = "LiveEventComment"
 
             val colorName = obj.getOrDefault<String>(config, "colorName", contextName, null);

app/src/main/java/com/futo/platformplayer/api/media/models/live/LiveEventDonation.kt

@@ -3,6 +3,7 @@ package com.futo.platformplayer.api.media.models.live
 import com.caoccao.javet.values.reference.V8ValueObject
 import com.futo.platformplayer.api.media.models.ratings.RatingLikes
 import com.futo.platformplayer.engine.IV8PluginConfig
+import com.futo.platformplayer.ensureIsBusy
 import com.futo.platformplayer.getOrDefault
 import com.futo.platformplayer.getOrThrow
 
@@ -37,6 +38,7 @@ class LiveEventDonation: IPlatformLiveEvent, ILiveEventChatMessage {
 
     companion object {
         fun fromV8(config: IV8PluginConfig, obj: V8ValueObject) : LiveEventDonation {
+            obj.ensureIsBusy();
             val contextName = "LiveEventDonation"
             return LiveEventDonation(
                 obj.getOrThrow(config, "name", contextName),

app/src/main/java/com/futo/platformplayer/api/media/models/live/LiveEventEmojis.kt

@@ -2,6 +2,7 @@ package com.futo.platformplayer.api.media.models.live
 
 import com.caoccao.javet.values.reference.V8ValueObject
 import com.futo.platformplayer.engine.IV8PluginConfig
+import com.futo.platformplayer.ensureIsBusy
 import com.futo.platformplayer.getOrThrow
 
 class LiveEventEmojis: IPlatformLiveEvent {
@@ -15,6 +16,7 @@ class LiveEventEmojis: IPlatformLiveEvent {
 
     companion object {
         fun fromV8(config: IV8PluginConfig, obj: V8ValueObject) : LiveEventEmojis {
+            obj.ensureIsBusy();
             val contextName = "LiveEventEmojis"
             return LiveEventEmojis(
                 obj.getOrThrow(config, "emojis", contextName));

app/src/main/java/com/futo/platformplayer/api/media/models/live/LiveEventRaid.kt

@@ -2,6 +2,7 @@ package com.futo.platformplayer.api.media.models.live
 
 import com.caoccao.javet.values.reference.V8ValueObject
 import com.futo.platformplayer.engine.IV8PluginConfig
+import com.futo.platformplayer.ensureIsBusy
 import com.futo.platformplayer.getOrThrow
 
 class LiveEventRaid: IPlatformLiveEvent {
@@ -19,6 +20,7 @@ class LiveEventRaid: IPlatformLiveEvent {
 
     companion object {
         fun fromV8(config: IV8PluginConfig, obj: V8ValueObject) : LiveEventRaid {
+            obj.ensureIsBusy();
             val contextName = "LiveEventRaid"
             return LiveEventRaid(
                 obj.getOrThrow(config, "targetName", contextName),

app/src/main/java/com/futo/platformplayer/api/media/models/live/LiveEventViewCount.kt

@@ -2,6 +2,7 @@ package com.futo.platformplayer.api.media.models.live
 
 import com.caoccao.javet.values.reference.V8ValueObject
 import com.futo.platformplayer.engine.IV8PluginConfig
+import com.futo.platformplayer.ensureIsBusy
 import com.futo.platformplayer.getOrThrow
 
 class LiveEventViewCount: IPlatformLiveEvent {
@@ -15,6 +16,7 @@ class LiveEventViewCount: IPlatformLiveEvent {
 
     companion object {
         fun fromV8(config: IV8PluginConfig, obj: V8ValueObject) : LiveEventViewCount {
+            obj.ensureIsBusy();
             val contextName = "LiveEventViewCount"
             return LiveEventViewCount(
                 obj.getOrThrow(config, "viewCount", contextName));

app/src/main/java/com/futo/platformplayer/api/media/models/ratings/IRating.kt

@@ -3,6 +3,7 @@ package com.futo.platformplayer.api.media.models.ratings
 import com.caoccao.javet.values.V8Value
 import com.caoccao.javet.values.reference.V8ValueObject
 import com.futo.platformplayer.engine.IV8PluginConfig
+import com.futo.platformplayer.ensureIsBusy
 import com.futo.platformplayer.getOrThrow
 import com.futo.platformplayer.orDefault
 import com.futo.platformplayer.serializers.IRatingSerializer
@@ -13,8 +14,12 @@ interface IRating {
 
 
     companion object {
-        fun fromV8OrDefault(config: IV8PluginConfig, obj: V8Value?, default: IRating) = obj.orDefault(default) { fromV8(config, it as V8ValueObject) };
+        fun fromV8OrDefault(config: IV8PluginConfig, obj: V8Value?, default: IRating): IRating {
+            obj?.ensureIsBusy();
+            return obj.orDefault(default) { fromV8(config, it as V8ValueObject) }
+        };
         fun fromV8(config: IV8PluginConfig, obj: V8ValueObject, contextName: String = "Rating") : IRating {
+            obj.ensureIsBusy();
             val t = RatingType.fromInt(obj.getOrThrow<Int>(config, "type", contextName));
             return when(t) {
                 RatingType.LIKES -> RatingLikes.fromV8(config, obj);

app/src/main/java/com/futo/platformplayer/api/media/models/ratings/RatingLikeDislikes.kt

@@ -2,6 +2,7 @@ package com.futo.platformplayer.api.media.models.ratings
 
 import com.caoccao.javet.values.reference.V8ValueObject
 import com.futo.platformplayer.engine.IV8PluginConfig
+import com.futo.platformplayer.ensureIsBusy
 import com.futo.platformplayer.getOrThrow
 
 /**
@@ -14,6 +15,7 @@ class RatingLikeDislikes(val likes: Long, val dislikes: Long) : IRating {
 
     companion object {
         fun fromV8(config: IV8PluginConfig, obj: V8ValueObject) : RatingLikeDislikes {
+            obj.ensureIsBusy();
             return RatingLikeDislikes(obj.getOrThrow(config, "likes", "RatingLikeDislikes"), obj.getOrThrow(config, "dislikes", "RatingLikeDislikes"));
         }
     }

app/src/main/java/com/futo/platformplayer/api/media/models/ratings/RatingLikes.kt

@@ -2,6 +2,7 @@ package com.futo.platformplayer.api.media.models.ratings
 
 import com.caoccao.javet.values.reference.V8ValueObject
 import com.futo.platformplayer.engine.IV8PluginConfig
+import com.futo.platformplayer.ensureIsBusy
 import com.futo.platformplayer.getOrThrow
 
 /**
@@ -13,6 +14,7 @@ class RatingLikes(val likes: Long) : IRating {
 
     companion object {
         fun fromV8(config: IV8PluginConfig, obj: V8ValueObject) : RatingLikes {
+            obj.ensureIsBusy();
             return RatingLikes(obj.getOrThrow(config, "likes", "RatingLikes"));
         }
     }

app/src/main/java/com/futo/platformplayer/api/media/models/ratings/RatingScaler.kt

@@ -2,6 +2,7 @@ package com.futo.platformplayer.api.media.models.ratings
 
 import com.caoccao.javet.values.reference.V8ValueObject
 import com.futo.platformplayer.engine.IV8PluginConfig
+import com.futo.platformplayer.ensureIsBusy
 import com.futo.platformplayer.getOrThrow
 
 /**
@@ -13,6 +14,7 @@ class RatingScaler(val value: Float) : IRating {
 
     companion object {
         fun fromV8(config: IV8PluginConfig, obj: V8ValueObject) : RatingScaler {
+            obj.ensureIsBusy()
             return RatingScaler(obj.getOrThrow(config, "value", "RatingScaler"));
         }
     }

app/src/main/java/com/futo/platformplayer/api/media/platforms/js/models/IJSContent.kt

@@ -6,6 +6,7 @@ import com.futo.platformplayer.api.media.models.contents.ContentType
 import com.futo.platformplayer.api.media.models.contents.IPlatformContent
 import com.futo.platformplayer.api.media.platforms.js.JSClient
 import com.futo.platformplayer.api.media.platforms.js.SourcePluginConfig
+import com.futo.platformplayer.ensureIsBusy
 import com.futo.platformplayer.getOrDefault
 import com.futo.platformplayer.getOrThrow
 
@@ -13,6 +14,7 @@ interface IJSContent: IPlatformContent  {
 
     companion object {
         fun fromV8(plugin: JSClient, obj: V8ValueObject): IPlatformContent {
+            obj.ensureIsBusy();
             val config = plugin.config;
             val type: Int = obj.getOrThrow(config, "contentType", "ContentItem");
             val pluginType: String? = obj.getOrDefault(config, "plugin_type", "ContentItem", null);

app/src/main/java/com/futo/platformplayer/api/media/platforms/js/models/IJSContentDetails.kt

@@ -6,12 +6,14 @@ import com.futo.platformplayer.api.media.models.contents.IPlatformContent
 import com.futo.platformplayer.api.media.models.contents.IPlatformContentDetails
 import com.futo.platformplayer.api.media.platforms.js.JSClient
 import com.futo.platformplayer.api.media.platforms.js.SourcePluginConfig
+import com.futo.platformplayer.ensureIsBusy
 import com.futo.platformplayer.getOrThrow
 
 interface IJSContentDetails: IPlatformContent  {
 
     companion object {
         fun fromV8(plugin: JSClient, obj: V8ValueObject): IPlatformContentDetails {
+            obj.ensureIsBusy();
             val type: Int = obj.getOrThrow(plugin.config, "contentType", "ContentDetails");
             return when(ContentType.fromInt(type)) {
                 ContentType.MEDIA -> JSVideoDetails(plugin, obj);

app/src/main/java/com/futo/platformplayer/api/media/platforms/js/models/sources/JSHLSManifestAudioSource.kt

@@ -7,6 +7,7 @@ import com.futo.platformplayer.api.media.models.streams.sources.IHLSManifestAudi
 import com.futo.platformplayer.api.media.platforms.js.JSClient
 import com.futo.platformplayer.engine.IV8PluginConfig
 import com.futo.platformplayer.engine.V8Plugin
+import com.futo.platformplayer.ensureIsBusy
 import com.futo.platformplayer.getOrNull
 import com.futo.platformplayer.getOrThrow
 import com.futo.platformplayer.orNull
@@ -38,7 +39,13 @@ class JSHLSManifestAudioSource : IHLSManifestAudioSource, JSSource {
 
 
     companion object {
-        fun fromV8HLSNullable(plugin: JSClient, obj: V8Value?) : JSHLSManifestAudioSource? = obj.orNull { fromV8HLS(plugin, it as V8ValueObject) };
+        fun fromV8HLSNullable(plugin: JSClient, obj: V8Value?) : JSHLSManifestAudioSource? {
-        fun fromV8HLS(plugin: JSClient, obj: V8ValueObject) : JSHLSManifestAudioSource = JSHLSManifestAudioSource(plugin, obj);
+            obj?.ensureIsBusy();
+            return obj.orNull { fromV8HLS(plugin, it as V8ValueObject) }
+        };
+        fun fromV8HLS(plugin: JSClient, obj: V8ValueObject) : JSHLSManifestAudioSource {
+            obj.ensureIsBusy();
+            return JSHLSManifestAudioSource(plugin, obj)
+        };
     }
 }

app/src/main/java/com/futo/platformplayer/api/media/platforms/js/models/sources/JSSource.kt

@@ -14,6 +14,7 @@ import com.futo.platformplayer.api.media.platforms.js.models.JSRequestExecutor
 import com.futo.platformplayer.api.media.platforms.js.models.JSRequestModifier
 import com.futo.platformplayer.engine.IV8PluginConfig
 import com.futo.platformplayer.engine.V8Plugin
+import com.futo.platformplayer.ensureIsBusy
 import com.futo.platformplayer.getOrDefault
 import com.futo.platformplayer.logging.Logger
 import com.futo.platformplayer.orNull
@@ -108,8 +109,12 @@ abstract class JSSource {
         const val TYPE_AUDIOURL_WIDEVINE = "AudioUrlWidevineSource"
         const val TYPE_VIDEOURL_WIDEVINE = "VideoUrlWidevineSource"
 
-        fun fromV8VideoNullable(plugin: JSClient, obj: V8Value?) : IVideoSource? = obj.orNull { fromV8Video(plugin, it as V8ValueObject) };
+        fun fromV8VideoNullable(plugin: JSClient, obj: V8Value?) : IVideoSource? {
+            obj?.ensureIsBusy();
+            return obj.orNull { fromV8Video(plugin, it as V8ValueObject) }
+        };
         fun fromV8Video(plugin: JSClient, obj: V8ValueObject) : IVideoSource? {
+            obj.ensureIsBusy()
             val type = obj.getString("plugin_type");
             return when(type) {
                 TYPE_VIDEOURL -> JSVideoUrlSource(plugin, obj);
@@ -126,13 +131,26 @@ abstract class JSSource {
             }
         }
         fun fromV8DashNullable(plugin: JSClient, obj: V8Value?) : JSDashManifestSource? = obj.orNull { fromV8Dash(plugin, it as V8ValueObject) };
-        fun fromV8Dash(plugin: JSClient, obj: V8ValueObject) : JSDashManifestSource = JSDashManifestSource(plugin, obj);
+        fun fromV8Dash(plugin: JSClient, obj: V8ValueObject) : JSDashManifestSource{
-        fun fromV8DashRaw(plugin: JSClient, obj: V8ValueObject) : JSDashManifestRawSource = JSDashManifestRawSource(plugin, obj);
+            obj.ensureIsBusy();
-        fun fromV8DashRawAudio(plugin: JSClient, obj: V8ValueObject) : JSDashManifestRawAudioSource = JSDashManifestRawAudioSource(plugin, obj);
+            return JSDashManifestSource(plugin, obj)
+        };
+        fun fromV8DashRaw(plugin: JSClient, obj: V8ValueObject) : JSDashManifestRawSource{
+            obj.ensureIsBusy()
+            return JSDashManifestRawSource(plugin, obj);
+        }
+        fun fromV8DashRawAudio(plugin: JSClient, obj: V8ValueObject) : JSDashManifestRawAudioSource {
+            obj?.ensureIsBusy();
+            return JSDashManifestRawAudioSource(plugin, obj)
+        };
         fun fromV8HLSNullable(plugin: JSClient, obj: V8Value?) : JSHLSManifestSource? = obj.orNull { fromV8HLS(plugin, it as V8ValueObject) };
-        fun fromV8HLS(plugin: JSClient, obj: V8ValueObject) : JSHLSManifestSource = JSHLSManifestSource(plugin, obj);
+        fun fromV8HLS(plugin: JSClient, obj: V8ValueObject) : JSHLSManifestSource {
+            obj.ensureIsBusy();
+            return JSHLSManifestSource(plugin, obj)
+        };
 
         fun fromV8Audio(plugin: JSClient, obj: V8ValueObject) : IAudioSource? {
+            obj.ensureIsBusy();
             val type = obj.getString("plugin_type");
             return when(type) {
                 TYPE_HLS -> JSHLSManifestAudioSource.fromV8HLS(plugin, obj);

app/src/main/java/com/futo/platformplayer/api/media/platforms/js/models/sources/JSVideoSourceDescriptor.kt

@@ -6,6 +6,7 @@ import com.futo.platformplayer.api.media.models.streams.IVideoSourceDescriptor
 import com.futo.platformplayer.api.media.models.streams.VideoMuxedSourceDescriptor
 import com.futo.platformplayer.api.media.models.streams.sources.IVideoSource
 import com.futo.platformplayer.api.media.platforms.js.JSClient
+import com.futo.platformplayer.ensureIsBusy
 import com.futo.platformplayer.getOrThrow
 
 class JSVideoSourceDescriptor : VideoMuxedSourceDescriptor {
@@ -31,6 +32,7 @@ class JSVideoSourceDescriptor : VideoMuxedSourceDescriptor {
 
 
         fun fromV8(plugin: JSClient, obj: V8ValueObject) : IVideoSourceDescriptor {
+            obj.ensureIsBusy();
             val type = obj.getString("plugin_type")
             return when(type) {
                 TYPE_MUXED -> JSVideoSourceDescriptor(plugin, obj);

app/src/main/java/com/futo/platformplayer/engine/exceptions/NoInternetException.kt

@@ -2,6 +2,7 @@ package com.futo.platformplayer.engine.exceptions
 
 import com.caoccao.javet.values.reference.V8ValueObject
 import com.futo.platformplayer.engine.IV8PluginConfig
+import com.futo.platformplayer.ensureIsBusy
 import com.futo.platformplayer.getOrThrow
 
 open class NoInternetException(config: IV8PluginConfig, error: String, ex: Exception? = null, stack: String? = null, code: String? = null) : ScriptException(config, error, ex, stack, code) {
@@ -11,6 +12,7 @@ open class NoInternetException(config: IV8PluginConfig, error: String, ex: Excep
 
     companion object {
         fun fromV8(config: IV8PluginConfig, obj: V8ValueObject) : NoInternetException {
+            obj.ensureIsBusy();
             return NoInternetException(config, obj.getOrThrow(config, "message", "NoInternetException"));
         }
     }

app/src/main/java/com/futo/platformplayer/engine/exceptions/ScriptAgeException.kt

@@ -2,6 +2,7 @@ package com.futo.platformplayer.engine.exceptions
 
 import com.caoccao.javet.values.reference.V8ValueObject
 import com.futo.platformplayer.engine.IV8PluginConfig
+import com.futo.platformplayer.ensureIsBusy
 import com.futo.platformplayer.getOrThrow
 
 open class ScriptAgeException(config: IV8PluginConfig, error: String, ex: Exception? = null, stack: String? = null, code: String? = null) : ScriptException(config, error, ex, stack, code) {
@@ -11,6 +12,7 @@ open class ScriptAgeException(config: IV8PluginConfig, error: String, ex: Except
 
     companion object {
         fun fromV8(config: IV8PluginConfig, obj: V8ValueObject) : ScriptException {
+            obj.ensureIsBusy();
             return ScriptException(config, obj.getOrThrow(config, "message", "ScriptAgeException"));
         }
     }

app/src/main/java/com/futo/platformplayer/engine/exceptions/ScriptCaptchaRequiredException.kt

@@ -2,6 +2,7 @@ package com.futo.platformplayer.engine.exceptions
 
 import com.caoccao.javet.values.reference.V8ValueObject
 import com.futo.platformplayer.engine.IV8PluginConfig
+import com.futo.platformplayer.ensureIsBusy
 import com.futo.platformplayer.getOrDefault
 import com.futo.platformplayer.getOrThrow
 
@@ -9,6 +10,7 @@ class ScriptCaptchaRequiredException(config: IV8PluginConfig, val url: String?,
 
     companion object {
         fun fromV8(config: IV8PluginConfig, obj: V8ValueObject) : ScriptException {
+            obj.ensureIsBusy();
             val contextName = "ScriptCaptchaRequiredException";
             return ScriptCaptchaRequiredException(config,
                 obj.getOrDefault<String>(config, "url", contextName, null),

app/src/main/java/com/futo/platformplayer/engine/exceptions/ScriptCompilationException.kt

@@ -2,12 +2,14 @@ package com.futo.platformplayer.engine.exceptions
 
 import com.caoccao.javet.values.reference.V8ValueObject
 import com.futo.platformplayer.engine.IV8PluginConfig
+import com.futo.platformplayer.ensureIsBusy
 import com.futo.platformplayer.getOrThrow
 
 class ScriptCompilationException(config: IV8PluginConfig, error: String, ex: Exception? = null, code: String? = null) : PluginException(config, error, ex, code) {
 
     companion object {
         fun fromV8(config: IV8PluginConfig, obj: V8ValueObject) : ScriptCompilationException {
+            obj.ensureIsBusy();
             return ScriptCompilationException(config, obj.getOrThrow(config, "message", "ScriptCompilationException"));
         }
     }

app/src/main/java/com/futo/platformplayer/engine/exceptions/ScriptCriticalException.kt

@@ -2,6 +2,7 @@ package com.futo.platformplayer.engine.exceptions
 
 import com.caoccao.javet.values.reference.V8ValueObject
 import com.futo.platformplayer.engine.IV8PluginConfig
+import com.futo.platformplayer.ensureIsBusy
 import com.futo.platformplayer.getOrThrow
 
 open class ScriptCriticalException(config: IV8PluginConfig, error: String, ex: Exception? = null, stack: String? = null, code: String? = null) : ScriptException(config, error, ex, stack, code) {
@@ -11,6 +12,7 @@ open class ScriptCriticalException(config: IV8PluginConfig, error: String, ex: E
 
     companion object {
         fun fromV8(config: IV8PluginConfig, obj: V8ValueObject) : ScriptException {
+            obj.ensureIsBusy();
             return ScriptCriticalException(config, obj.getOrThrow(config, "message", "ScriptCriticalException"));
         }
     }

app/src/main/java/com/futo/platformplayer/engine/exceptions/ScriptException.kt

@@ -2,6 +2,7 @@ package com.futo.platformplayer.engine.exceptions
 
 import com.caoccao.javet.values.reference.V8ValueObject
 import com.futo.platformplayer.engine.IV8PluginConfig
+import com.futo.platformplayer.ensureIsBusy
 import com.futo.platformplayer.getOrThrow
 
 open class ScriptException(config: IV8PluginConfig, error: String, ex: Exception? = null, stack: String? = null, code: String? = null) : ScriptExecutionException(config, error, ex, stack, code) {
@@ -11,6 +12,7 @@ open class ScriptException(config: IV8PluginConfig, error: String, ex: Exception
 
     companion object {
         fun fromV8(config: IV8PluginConfig, obj: V8ValueObject) : ScriptException {
+            obj.ensureIsBusy();
             return ScriptException(config, obj.getOrThrow(config, "message", "ScriptException"));
         }
     }

app/src/main/java/com/futo/platformplayer/engine/exceptions/ScriptExecutionException.kt

@@ -2,6 +2,7 @@ package com.futo.platformplayer.engine.exceptions
 
 import com.caoccao.javet.values.reference.V8ValueObject
 import com.futo.platformplayer.engine.IV8PluginConfig
+import com.futo.platformplayer.ensureIsBusy
 import com.futo.platformplayer.getOrThrow
 
 open class ScriptExecutionException(config: IV8PluginConfig, error: String, ex: Exception? = null, val stack: String? = null, code: String? = null) : PluginException(config, error, ex, code) {
@@ -11,6 +12,7 @@ open class ScriptExecutionException(config: IV8PluginConfig, error: String, ex:
 
     companion object {
         fun fromV8(config: IV8PluginConfig, obj: V8ValueObject) : ScriptExecutionException {
+            obj.ensureIsBusy();
             return ScriptExecutionException(config, obj.getOrThrow(config, "message", "ScriptExecutionException"));
         }
     }

app/src/main/java/com/futo/platformplayer/engine/exceptions/ScriptImplementationException.kt

@@ -2,12 +2,14 @@ package com.futo.platformplayer.engine.exceptions
 
 import com.caoccao.javet.values.reference.V8ValueObject
 import com.futo.platformplayer.engine.IV8PluginConfig
+import com.futo.platformplayer.ensureIsBusy
 import com.futo.platformplayer.getOrThrow
 
 class ScriptImplementationException(config: IV8PluginConfig, error: String, ex: Exception? = null, var pluginId: String? = null, code: String? = null) : PluginException(config, error, ex, code) {
 
     companion object {
         fun fromV8(config: IV8PluginConfig, obj: V8ValueObject) : ScriptImplementationException {
+            obj.ensureIsBusy();
             return ScriptImplementationException(config, obj.getOrThrow(config, "message", "ScriptImplementationException"));
         }
     }

app/src/main/java/com/futo/platformplayer/engine/exceptions/ScriptLoginRequiredException.kt

@@ -2,12 +2,14 @@ package com.futo.platformplayer.engine.exceptions
 
 import com.caoccao.javet.values.reference.V8ValueObject
 import com.futo.platformplayer.engine.IV8PluginConfig
+import com.futo.platformplayer.ensureIsBusy
 import com.futo.platformplayer.getOrThrow
 
 class ScriptLoginRequiredException(config: IV8PluginConfig, error: String, ex: Exception? = null, stack: String? = null, code: String? = null) : ScriptException(config, error, ex, stack, code) {
 
     companion object {
         fun fromV8(config: IV8PluginConfig, obj: V8ValueObject) : ScriptException {
+            obj.ensureIsBusy();
             return ScriptLoginRequiredException(config, obj.getOrThrow(config, "message", "ScriptLoginRequiredException"));
         }
     }

app/src/main/java/com/futo/platformplayer/engine/exceptions/ScriptReloadRequiredException.kt

@@ -4,6 +4,7 @@ import com.caoccao.javet.values.reference.V8ValueObject
 import com.futo.platformplayer.api.media.platforms.js.SourcePluginConfig
 import com.futo.platformplayer.engine.IV8PluginConfig
 import com.futo.platformplayer.engine.V8PluginConfig
+import com.futo.platformplayer.ensureIsBusy
 import com.futo.platformplayer.getOrDefault
 import com.futo.platformplayer.getOrThrow
 
@@ -11,6 +12,7 @@ class ScriptReloadRequiredException(config: IV8PluginConfig, val msg: String?, v
 
     companion object {
         fun fromV8(config: IV8PluginConfig, obj: V8ValueObject) : ScriptException {
+            obj.ensureIsBusy();
             val contextName = "ScriptReloadRequiredException";
             return ScriptReloadRequiredException(config,
                 obj.getOrThrow(config, "message", contextName),

app/src/main/java/com/futo/platformplayer/engine/exceptions/ScriptTimeoutException.kt

@@ -2,11 +2,13 @@ package com.futo.platformplayer.engine.exceptions
 
 import com.caoccao.javet.values.reference.V8ValueObject
 import com.futo.platformplayer.engine.IV8PluginConfig
+import com.futo.platformplayer.ensureIsBusy
 import com.futo.platformplayer.getOrThrow
 
 class ScriptTimeoutException(config: IV8PluginConfig, error: String, ex: Exception? = null) : ScriptException(config, error, ex) {
     companion object {
         fun fromV8(config: IV8PluginConfig, obj: V8ValueObject) : ScriptTimeoutException {
+            obj.ensureIsBusy();
             return ScriptTimeoutException(config, obj.getOrThrow(config, "message", "ScriptException"));
         }
     }

app/src/main/java/com/futo/platformplayer/engine/exceptions/ScriptUnavailableException.kt

@@ -2,12 +2,14 @@ package com.futo.platformplayer.engine.exceptions
 
 import com.caoccao.javet.values.reference.V8ValueObject
 import com.futo.platformplayer.engine.IV8PluginConfig
+import com.futo.platformplayer.ensureIsBusy
 import com.futo.platformplayer.getOrThrow
 
 class ScriptUnavailableException(config: IV8PluginConfig, error: String, ex: Exception? = null, stack: String? = null, code: String? = null) : ScriptException(config, error, ex, stack, code) {
 
     companion object {
         fun fromV8(config: IV8PluginConfig, obj: V8ValueObject) : ScriptException {
+            obj.ensureIsBusy();
             return ScriptUnavailableException(config, obj.getOrThrow(config, "message", "ScriptUnavailableException"));
         }
     }

app/src/main/java/com/futo/platformplayer/models/Playlist.kt

@@ -5,6 +5,7 @@ import com.caoccao.javet.values.reference.V8ValueObject
 import com.futo.platformplayer.api.media.models.video.SerializedPlatformVideo
 import com.futo.platformplayer.api.media.platforms.js.SourcePluginConfig
 import com.futo.platformplayer.api.media.platforms.js.models.JSVideo
+import com.futo.platformplayer.ensureIsBusy
 import com.futo.platformplayer.getOrThrow
 import com.futo.platformplayer.serializers.OffsetDateTimeSerializer
 import kotlinx.serialization.Serializable
@@ -43,6 +44,7 @@ class Playlist {
         fun fromV8(config: SourcePluginConfig, obj: V8ValueObject?): Playlist? {
             if(obj == null)
                 return null;
+            obj.ensureIsBusy();
 
             val contextName = "Playlist";