Makes sure only one pepare is run for each video view.

app/src/main/java/com/vitorpamplona/amethyst/ui/components/VideoView.kt

@@ -115,6 +115,7 @@ import kotlinx.coroutines.flow.conflate
 import kotlinx.coroutines.flow.flow
 import kotlinx.coroutines.launch
 import java.util.UUID
+import java.util.concurrent.atomic.AtomicBoolean
 import kotlin.math.abs
 
 public val DEFAULT_MUTED_SETTING = mutableStateOf(true)
@@ -394,6 +395,8 @@ fun GetVideoController(
 ) {
     val context = LocalContext.current
 
+    val onlyOnePreparing = AtomicBoolean()
+
     val controller =
         remember(videoUri) {
             mutableStateOf(
@@ -421,6 +424,8 @@ fun GetVideoController(
         // If it is not null, the user might have come back from a playing video, like clicking on
         // the notification of the video player.
         if (controller.value == null) {
+            // If there is a connection, don't wait.
+            if (!onlyOnePreparing.getAndSet(true)) {
                 scope.launch(Dispatchers.IO) {
                     Log.d("PlaybackService", "Preparing Video $videoUri ")
                     PlaybackClientController.prepareController(
@@ -446,6 +451,9 @@ fun GetVideoController(
                             it.prepare()
 
                             controller.value = it
+
+                            onlyOnePreparing.getAndSet(false)
+                        }
                     }
                 }
             }
@@ -454,6 +462,8 @@ fun GetVideoController(
             controller.value?.let {
                 scope.launch(Dispatchers.Main) {
                     if (it.playbackState == Player.STATE_IDLE || it.playbackState == Player.STATE_ENDED) {
+                        Log.d("PlaybackService", "Preparing Existing Video $videoUri ")
+
                         if (it.isPlaying) {
                             // There is a video playing, start this one on mute.
                             it.volume = 0f
@@ -497,6 +507,7 @@ fun GetVideoController(
                     // if the controller is null, restarts the controller with a new one
                     // if the controller is not null, just continue playing what the controller was playing
                     if (controller.value == null) {
+                        if (!onlyOnePreparing.getAndSet(true)) {
                             scope.launch(Dispatchers.IO) {
                                 Log.d("PlaybackService", "Preparing Video from Resume $videoUri ")
                                 PlaybackClientController.prepareController(
@@ -523,6 +534,8 @@ fun GetVideoController(
                                         it.prepare()
 
                                         controller.value = it
+                                        onlyOnePreparing.getAndSet(false)
+                                    }
                                 }
                             }
                         }