Sort chunk offsets before creating CO box

Author: Mbucari

src/AAXClean/FrameFilters/Video/VideoPassthrough.cs

@@ -0,0 +1,14 @@
+using System.Threading.Tasks;
+
+namespace AAXClean.FrameFilters.Video;
+
+internal class VideoPassthrough : FrameFinalBase<FrameEntry>
+{
+	protected override int InputBufferSize => 1;
+	protected override Task FlushAsync() => Task.CompletedTask;
+	protected override Task PerformFilteringAsync(FrameEntry input) => Task.CompletedTask;
+	public override Task AddInputAsync(FrameEntry input)
+	{
+		return Task.CompletedTask;
+	}
+}

src/Mpeg4Lib/Boxes/IChunkOffsets.cs

@@ -9,6 +9,7 @@ public static IChunkOffsets Create(StblBox stbl, ChunkOffsetList offsets)
 	{
 		if (offsets.Count == 0)
 			return StcoBox.CreateBlank(stbl, offsets);
+		offsets.Sort();
 		long maxOffset = offsets.GetOffsetAtIndex(offsets.Count - 1);
 		return maxOffset > uint.MaxValue ? Co64Box.CreateBlank(stbl, offsets) : StcoBox.CreateBlank(stbl, offsets);
 	}