first commit

Assets/AVProVideo/Runtime/Scripts/Internal/TimedMetadata.cs

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+//-----------------------------------------------------------------------------
+// Copyright 2015-2025 RenderHeads Ltd.  All rights reserved.
+//-----------------------------------------------------------------------------
+
+namespace RenderHeads.Media.AVProVideo
+{
+	public interface ITimedMetadata
+	{
+		bool HasNewTimedMetadataItem();
+
+		TimedMetadataItem GetTimedMetadataItem();
+	}
+
+	public class TimedMetadataItem
+	{
+		public double PresentationTime
+		{
+			get
+			{
+				return _presentationTime;
+			}
+		}
+
+		public string Text
+		{
+			get
+			{
+				return _text;
+			}
+		}
+
+		internal TimedMetadataItem(double presentationTime, string text)
+		{
+			_presentationTime = presentationTime;
+			_text = text;
+		}
+
+		private TimedMetadataItem()
+		{
+
+		}
+
+		private double _presentationTime;
+		private string _text;
+	}
+
+	public partial class BaseMediaPlayer : ITimedMetadata
+	{
+		public bool HasNewTimedMetadataItem()
+		{
+			return _hasNewTimedMetadataItem;
+		}
+
+		public TimedMetadataItem GetTimedMetadataItem()
+		{
+			_hasNewTimedMetadataItem = false;
+			return _timedMetadataItem;
+		}
+
+		protected void UpdateTimedMetadata()
+		{
+			var hasUpdatedTimedMetadata = InternalHasUpdatedTimedMetadata();
+			if (hasUpdatedTimedMetadata)
+			{
+				_timedMetadataItem = InternalGetTimedMetadataItem();
+				_hasNewTimedMetadataItem = true;
+			}
+		}
+
+		protected virtual bool InternalHasUpdatedTimedMetadata()
+		{
+			return false;
+		}
+
+		protected virtual TimedMetadataItem InternalGetTimedMetadataItem()
+		{
+			return null;
+		}
+
+		private TimedMetadataItem _timedMetadataItem = null;
+		private bool _hasNewTimedMetadataItem = false;
+	}
+}