- Source formatting

- Added feature contributor name

Author: schellingb

UnityCaptureSample/Assets/CaptureTexture.cs

@@ -1,54 +1,58 @@
-/*
-  This sample code is for demonstrating and testing the functionality
-  of Unity Capture, and is placed in the public domain.
-
-  This code generates a scrolling color texture simply for the purposes of demonstration.
-  Other uses may include sending a video, another webcam feed or a static image to the output.
-*/
-
-using UnityEngine;
-
-public class CaptureTexture : MonoBehaviour {
-	public int width = 320;
-	public int height = 240;
-	public MeshRenderer outputRenderer;
-	Texture2D activeTex;
-	UnityCapture.Interface captureInterface;
-	int y = 0;
-	Color color = Color.red;
-
-
-	void Start () {
-		// Create textures
-		activeTex = new Texture2D(width, height, TextureFormat.ARGB32, false);
-		captureInterface = new UnityCapture.Interface(UnityCapture.ECaptureDevice.CaptureDevice1);
-
-		if (outputRenderer != null) outputRenderer.material.mainTexture = activeTex;
-	}
-	
-	void OnDestroy() {
-		captureInterface.Close();
-	}
-
-	void Update() {
-		// Draw next line on texture 
-		for (int x = 0; x < width; x++) {
-			activeTex.SetPixel(x, y, color);
-		}
-
-		y += 1;
-		if (y > height) {
-			y = 0;
-			color = new Color(color.g, color.b, color.r);
-		}
-
-		activeTex.Apply();
-
-		// Update the capture texture
-		UnityCapture.ECaptureSendResult result = captureInterface.SendTexture(activeTex, false, UnityCapture.EResizeMode.LinearResize, UnityCapture.EMirrorMode.Disabled);
-
-		if (result != UnityCapture.ECaptureSendResult.SUCCESS) {
-			Debug.Log(System.Enum.GetName(typeof(UnityCapture.ECaptureSendResult), result));
-		}
-	}
-}
+/*
+  This sample code is for demonstrating and testing the functionality
+  of Unity Capture, and is placed in the public domain.
+
+  This code generates a scrolling color texture simply for the purposes of demonstration.
+  Other uses may include sending a video, another webcam feed or a static image to the output.
+*/
+
+using UnityEngine;
+
+public class CaptureTexture : MonoBehaviour
+{
+    public int width = 320;
+    public int height = 240;
+    public MeshRenderer outputRenderer;
+    Texture2D activeTex;
+    UnityCapture.Interface captureInterface;
+    int y = 0;
+    Color color = Color.red;
+
+    void Start()
+    {
+        // Create texture and capture interface
+        activeTex = new Texture2D(width, height, TextureFormat.ARGB32, false);
+        captureInterface = new UnityCapture.Interface(UnityCapture.ECaptureDevice.CaptureDevice1);
+
+        if (outputRenderer != null) outputRenderer.material.mainTexture = activeTex;
+    }
+
+    void OnDestroy()
+    {
+        //Cleanup capture interface
+        captureInterface.Close();
+    }
+
+    void Update()
+    {
+        // Draw next line on texture 
+        for (int x = 0; x < width; x++)
+        {
+            activeTex.SetPixel(x, y, color);
+        }
+
+        y += 1;
+        if (y > height)
+        {
+            y = 0;
+            color = new Color(color.g, color.b, color.r);
+        }
+
+        activeTex.Apply();
+
+        // Update the capture texture
+        UnityCapture.ECaptureSendResult result = captureInterface.SendTexture(activeTex);
+        if (result != UnityCapture.ECaptureSendResult.SUCCESS)
+            Debug.Log("SendTexture failed: " + result);
+    }
+}

UnityCaptureSample/Assets/UnityCapture/UnityCapture.cs

@@ -2,6 +2,9 @@
   Unity Capture
   Copyright (c) 2018 Bernhard Schelling
 
+  Feature contributors:
+    Brandon J Matthews (low-level interface for custom texture capture)
+
   Based on UnityCam
   https://github.com/mrayy/UnityCam
   Copyright (c) 2016 MHD Yamen Saraiji
@@ -31,8 +34,8 @@ public class UnityCapture : MonoBehaviour
     public enum ECaptureDevice { CaptureDevice1 = 0, CaptureDevice2 = 1, CaptureDevice3 = 2, CaptureDevice4 = 3, CaptureDevice5 = 4, CaptureDevice6 = 5, CaptureDevice7 = 6, CaptureDevice8 = 7, CaptureDevice9 = 8, CaptureDevice10 = 9 }
     public enum EResizeMode { Disabled = 0, LinearResize = 1 }
     public enum EMirrorMode { Disabled = 0, MirrorHorizontally = 1 }
-    public enum ECaptureSendResult { SUCCESS = 0, WARNING_FRAMESKIP = 1, WARNING_CAPTUREINACTIVE = 2, ERROR_UNSUPPORTEDGRAPHICSDEVICE = 100, ERROR_PARAMETER = 101, ERROR_TOOLARGERESOLUTION = 102, ERROR_TEXTUREFORMAT = 103, ERROR_READTEXTURE = 104, ERROR_INVALIDCAPTUREINSTANCEPTR = 200};
-    
+    public enum ECaptureSendResult { SUCCESS = 0, WARNING_FRAMESKIP = 1, WARNING_CAPTUREINACTIVE = 2, ERROR_UNSUPPORTEDGRAPHICSDEVICE = 100, ERROR_PARAMETER = 101, ERROR_TOOLARGERESOLUTION = 102, ERROR_TEXTUREFORMAT = 103, ERROR_READTEXTURE = 104, ERROR_INVALIDCAPTUREINSTANCEPTR = 200 };
+
     [SerializeField] [Tooltip("Capture device index")] public ECaptureDevice CaptureDevice = ECaptureDevice.CaptureDevice1;
     [SerializeField] [Tooltip("Scale image if Unity and capture resolution don't match (can introduce frame dropping, not recommended)")] public EResizeMode ResizeMode = EResizeMode.Disabled;
     [SerializeField] [Tooltip("Mirror captured output image")] public EMirrorMode MirrorMode = EMirrorMode.Disabled;
@@ -82,25 +85,33 @@ void OnRenderImage(RenderTexture source, RenderTexture destination)
         }
     }
 
-
-    public class Interface {
+    public class Interface
+    {
         [System.Runtime.InteropServices.DllImport("UnityCapturePlugin")] extern static System.IntPtr CaptureCreateInstance(int CapNum);
         [System.Runtime.InteropServices.DllImport("UnityCapturePlugin")] extern static void CaptureDeleteInstance(System.IntPtr instance);
         [System.Runtime.InteropServices.DllImport("UnityCapturePlugin")] extern static ECaptureSendResult CaptureSendTexture(System.IntPtr instance, System.IntPtr nativetexture, bool UseDoubleBuffering, EResizeMode ResizeMode, EMirrorMode MirrorMode, bool IsLinearColorSpace);
         System.IntPtr CaptureInstance;
-        
-        public Interface(ECaptureDevice captureDevice) {
-            CaptureInstance = CaptureCreateInstance((int)captureDevice);
+
+        public Interface(ECaptureDevice CaptureDevice)
+        {
+            CaptureInstance = CaptureCreateInstance((int)CaptureDevice);
         }
 
-        public void Close() {
-            CaptureDeleteInstance(CaptureInstance);
+        ~Interface()
+        {
+            Close();
         }
 
-        public ECaptureSendResult SendTexture(Texture source, bool DoubleBuffering, EResizeMode ResizeMode, EMirrorMode MirrorMode) {
+        public void Close()
+        {
+            if (CaptureInstance != System.IntPtr.Zero) CaptureDeleteInstance(CaptureInstance);
+            CaptureInstance = System.IntPtr.Zero;
+        }
+
+        public ECaptureSendResult SendTexture(Texture Source, bool DoubleBuffering = false, EResizeMode ResizeMode = EResizeMode.Disabled, EMirrorMode MirrorMode = EMirrorMode.Disabled)
+        {
             if (CaptureInstance == System.IntPtr.Zero) return ECaptureSendResult.ERROR_INVALIDCAPTUREINSTANCEPTR;
-            ECaptureSendResult result = CaptureSendTexture(CaptureInstance, source.GetNativeTexturePtr(), DoubleBuffering, ResizeMode, MirrorMode, QualitySettings.activeColorSpace == ColorSpace.Linear);
-            return result;
+            return CaptureSendTexture(CaptureInstance, Source.GetNativeTexturePtr(), DoubleBuffering, ResizeMode, MirrorMode, QualitySettings.activeColorSpace == ColorSpace.Linear);
         }
     }
 }