first commit

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

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+#if UNITY_EDITOR_OSX || UNITY_STANDALONE_OSX || UNITY_IOS || UNITY_TVOS
+	#define UNITY_PLATFORM_SUPPORTS_YPCBCR
+#endif
+
+using System.Collections;
+using System.Collections.Generic;
+using UnityEngine;
+
+namespace RenderHeads.Media.AVProVideo
+{
+	/// <summary>
+	/// Base class to apply texture from MediaPlayer
+	/// </summary>
+	public abstract class ApplyToBase : MonoBehaviour
+	{
+		[Header("Media Source")]
+		[SerializeField]
+		protected MediaPlayer _media = null;
+
+		public MediaPlayer Player
+		{
+			get
+			{
+				return _media;
+			}
+			set
+			{
+				ChangeMediaPlayer(value);
+			}
+		}
+
+		[Space(8f)]
+		[Header("Display")]
+		[SerializeField]
+		bool _automaticStereoPacking = true;
+		
+		public bool AutomaticStereoPacking
+		{
+			get
+			{
+				return _automaticStereoPacking;
+			}
+			set
+			{
+				if (_automaticStereoPacking != value)
+				{
+					_automaticStereoPacking = value;
+					_isDirty = true;
+				}
+			}
+		}
+
+		[SerializeField]
+		StereoPacking _overrideStereoPacking = StereoPacking.Monoscopic;
+		
+		public StereoPacking OverrideStereoPacking
+		{
+			get
+			{
+				return _overrideStereoPacking;
+			}
+			set
+			{
+				if (_overrideStereoPacking != value)
+				{
+					_overrideStereoPacking = value;
+					_isDirty = true;
+				}
+			}
+		}
+
+		[SerializeField]
+		bool _stereoRedGreenTint = false;
+		
+		public bool StereoRedGreenTint
+		{
+			get
+			{
+				return _stereoRedGreenTint;
+			}
+			set
+			{
+				if (_stereoRedGreenTint != value)
+				{
+					_stereoRedGreenTint = value;
+					_isDirty = true;
+				}
+			}
+		}
+
+		protected bool _isDirty = false;
+
+		void Awake()
+		{
+			ChangeMediaPlayer(_media, force: true);
+		}
+
+		private void ChangeMediaPlayer(MediaPlayer player, bool force = false)
+		{
+			if (_media != player || force)
+			{
+				if (_media != null)
+				{
+					_media.Events.RemoveListener(OnMediaPlayerEvent);
+				}
+				_media = player;
+				if (_media != null)
+				{
+					_media.Events.AddListener(OnMediaPlayerEvent);
+				}
+				_isDirty = true;
+			}
+		}
+
+		// Callback function to handle events
+		private void OnMediaPlayerEvent(MediaPlayer mp, MediaPlayerEvent.EventType et, ErrorCode errorCode)
+		{
+			switch (et)
+			{
+				case MediaPlayerEvent.EventType.FirstFrameReady:
+				case MediaPlayerEvent.EventType.PropertiesChanged:
+					ForceUpdate();
+					break;
+			}
+		}
+
+		public void ForceUpdate()
+		{
+			_isDirty = true;
+			if (this.isActiveAndEnabled)
+			{
+				Apply();
+			}
+		}
+
+		private void Start()
+		{
+			SaveProperties();
+			Apply();
+		}
+
+		protected virtual void OnEnable()
+		{
+			SaveProperties();
+			ForceUpdate();
+		}
+
+		protected virtual void OnDisable()
+		{
+			RestoreProperties();
+		}
+
+		private void OnDestroy()
+		{
+			ChangeMediaPlayer(null);
+		}
+
+		protected virtual void SaveProperties()
+		{
+
+		}
+
+		protected virtual void RestoreProperties()
+		{
+
+		}
+
+		public abstract void Apply();
+	}
+}