Fix streaming majors: PCM-only validation, stream-from-disk, ConcatStream offset, AsyncDisposable, HTTP cancellation, await ensureReady, seekBeyondBuffer offset-0 guard, negative WAV chunk guard

DeepDrftWeb.Client/Controls/AudioPlayerProvider.razor.cs

@@ -1,20 +1,20 @@
-using DeepDrftWeb.Client.Services;
+using DeepDrftWeb.Client.Services;
 using DeepDrftWeb.Client.Clients;
 using Microsoft.AspNetCore.Components;
 using Microsoft.Extensions.Logging;
 
 namespace DeepDrftWeb.Client.Controls;
 
-public partial class AudioPlayerProvider : ComponentBase
+public partial class AudioPlayerProvider : ComponentBase, IAsyncDisposable
 {
     [Inject] public required AudioInteropService AudioInterop { get; set; }
     [Inject] public required TrackMediaClient TrackMediaClient { get; set; }
     [Inject] public required ILogger<StreamingAudioPlayerService> Logger { get; set; }
-    
+
     private StreamingAudioPlayerService? _audioPlayerService;
-    
+
     [Parameter] public RenderFragment? ChildContent { get; set; }
-    
+
     protected override void OnInitialized()
     {
         // Create the service immediately (but don't initialize yet)
@@ -25,7 +25,7 @@ public partial class AudioPlayerProvider : ComponentBase
         _audioPlayerService.OnStateChanged = new EventCallback(this, () => InvokeAsync(StateHasChanged));
         // OnTrackSelected will be set by individual child components that need it
     }
-    
+
     protected override async Task OnAfterRenderAsync(bool firstRender)
     {
         if (firstRender && _audioPlayerService != null)
@@ -35,4 +35,18 @@ public partial class AudioPlayerProvider : ComponentBase
             StateHasChanged();
         }
     }
-}
+
+    /// <summary>
+    /// Dispose the player on unmount so the JS setInterval driving progress
+    /// callbacks no longer holds a DotNetObjectReference into a destroyed
+    /// component (otherwise it throws every 100ms after navigation away).
+    /// </summary>
+    public async ValueTask DisposeAsync()
+    {
+        if (_audioPlayerService != null)
+        {
+            await _audioPlayerService.DisposeAsync();
+            _audioPlayerService = null;
+        }
+    }
+}