Add set video features.

Sources/Video.DirectShow/Internals/IAMVideoProcAmp.cs

@@ -0,0 +1,44 @@
+// AForge Direct Show Library
+// AForge.NET framework
+// http://www.aforgenet.com/framework/
+//
+// Copyright © AForge.NET, 2009-2011
+// [email protected]
+//
+
+namespace AForge.Video.DirectShow.Internals
+{
+    using System;
+    using System.Runtime.InteropServices;
+
+    [ComImport, System.Security.SuppressUnmanagedCodeSecurity,
+    Guid("C6E13360-30AC-11d0-A18C-00A0C9118956"),
+    InterfaceType(ComInterfaceType.InterfaceIsIUnknown)]
+    public interface IAMVideoProcAmp
+    {
+        [PreserveSig]
+        int GetRange(
+            [In] VideoProcAmpProperty Property,
+            [Out] out int pMin,
+            [Out] out int pMax,
+            [Out] out int pSteppingDelta,
+            [Out] out int pDefault,
+            [Out] out VideoProcAmpFlags pCapsFlags
+            );
+
+        [PreserveSig]
+        int Set(
+            [In] VideoProcAmpProperty Property,
+            [In] int lValue,
+            [In] VideoProcAmpFlags Flags
+            );
+
+        [PreserveSig]
+        int Get(
+            [In] VideoProcAmpProperty Property,
+            [Out] out int lValue,
+            [Out] out VideoProcAmpFlags Flags
+            );
+    }
+
+}

Sources/Video.DirectShow/VideoCaptureDevice.cs

@@ -971,6 +971,171 @@ public bool GetCameraPropertyRange( CameraControlProperty property, out int minV
             return ret;
         }
 
+        /// <summary>
+        /// Sets a specified property on the video.
+        /// </summary>
+        /// 
+        /// <param name="property">Specifies the property to set.</param>
+        /// <param name="value">Specifies the new value of the property.</param>
+        /// <param name="controlFlags">Specifies the desired control setting.</param>
+        /// 
+        /// <returns>Returns true on sucee or false otherwise.</returns>
+        /// 
+        /// <exception cref="ArgumentException">Video source is not specified - device moniker is not set.</exception>
+        /// <exception cref="ApplicationException">Failed creating device object for moniker.</exception>
+        /// <exception cref="NotSupportedException">The video source does not support video control.</exception>
+        /// 
+        public bool SetVideoProperty(VideoProcAmpProperty property, int value, VideoProcAmpFlags controlFlags)
+        {
+            bool ret = true;
+
+            // check if source was set
+            if ((deviceMoniker == null) || (string.IsNullOrEmpty(deviceMoniker)))
+            {
+                throw new ArgumentException("Video source is not specified.");
+            }
+
+            lock (sync)
+            {
+                object tempSourceObject = null;
+
+                // create source device's object
+                try
+                {
+                    tempSourceObject = FilterInfo.CreateFilter(deviceMoniker);
+                }
+                catch
+                {
+                    throw new ApplicationException("Failed creating device object for moniker.");
+                }
+
+                if (!(tempSourceObject is IAMVideoProcAmp))
+                {
+                    throw new NotSupportedException("The video source does not support video control.");
+                }
+
+                IAMVideoProcAmp pCamControl = (IAMVideoProcAmp)tempSourceObject;
+                int hr = pCamControl.Set(property, value, controlFlags);
+
+                ret = (hr >= 0);
+
+                Marshal.ReleaseComObject(tempSourceObject);
+            }
+
+            return ret;
+        }
+
+        /// <summary>
+        /// Gets the current setting of a video property.
+        /// </summary>
+        /// 
+        /// <param name="property">Specifies the property to retrieve.</param>
+        /// <param name="value">Receives the value of the property.</param>
+        /// <param name="controlFlags">Receives the value indicating whether the setting is controlled manually or automatically</param>
+        /// 
+        /// <returns>Returns true on sucee or false otherwise.</returns>
+        /// 
+        /// <exception cref="ArgumentException">Video source is not specified - device moniker is not set.</exception>
+        /// <exception cref="ApplicationException">Failed creating device object for moniker.</exception>
+        /// <exception cref="NotSupportedException">The video source does not support video control.</exception>
+        /// 
+        public bool GetVideoProperty(VideoProcAmpProperty property, out int value, out VideoProcAmpFlags controlFlags)
+        {
+            bool ret = true;
+
+            // check if source was set
+            if ((deviceMoniker == null) || (string.IsNullOrEmpty(deviceMoniker)))
+            {
+                throw new ArgumentException("Video source is not specified.");
+            }
+
+            lock (sync)
+            {
+                object tempSourceObject = null;
+
+                // create source device's object
+                try
+                {
+                    tempSourceObject = FilterInfo.CreateFilter(deviceMoniker);
+                }
+                catch
+                {
+                    throw new ApplicationException("Failed creating device object for moniker.");
+                }
+
+                if (!(tempSourceObject is IAMVideoProcAmp))
+                {
+                    throw new NotSupportedException("The video source does not support video control.");
+                }
+
+                IAMVideoProcAmp pCamControl = (IAMVideoProcAmp)tempSourceObject;
+                int hr = pCamControl.Get(property, out value, out controlFlags);
+
+                ret = (hr >= 0);
+
+                Marshal.ReleaseComObject(tempSourceObject);
+            }
+
+            return ret;
+        }
+
+        /// <summary>
+        /// Gets the range and default value of a specified video property.
+        /// </summary>
+        /// 
+        /// <param name="property">Specifies the property to query.</param>
+        /// <param name="minValue">Receives the minimum value of the property.</param>
+        /// <param name="maxValue">Receives the maximum value of the property.</param>
+        /// <param name="stepSize">Receives the step size for the property.</param>
+        /// <param name="defaultValue">Receives the default value of the property.</param>
+        /// <param name="controlFlags">Receives a member of the <see cref="VideoProcAmpFlags"/> enumeration, indicating whether the property is controlled automatically or manually.</param>
+        /// 
+        /// <returns>Returns true on sucee or false otherwise.</returns>
+        /// 
+        /// <exception cref="ArgumentException">Video source is not specified - device moniker is not set.</exception>
+        /// <exception cref="ApplicationException">Failed creating device object for moniker.</exception>
+        /// <exception cref="NotSupportedException">The video source does not support video control.</exception>
+        /// 
+        public bool GetVideoPropertyRange(VideoProcAmpProperty property, out int minValue, out int maxValue, out int stepSize, out int defaultValue, out VideoProcAmpFlags controlFlags)
+        {
+            bool ret = true;
+
+            // check if source was set
+            if ((deviceMoniker == null) || (string.IsNullOrEmpty(deviceMoniker)))
+            {
+                throw new ArgumentException("Video source is not specified.");
+            }
+
+            lock (sync)
+            {
+                object tempSourceObject = null;
+
+                // create source device's object
+                try
+                {
+                    tempSourceObject = FilterInfo.CreateFilter(deviceMoniker);
+                }
+                catch
+                {
+                    throw new ApplicationException("Failed creating device object for moniker.");
+                }
+
+                if (!(tempSourceObject is IAMVideoProcAmp))
+                {
+                    throw new NotSupportedException("The video source does not support video control.");
+                }
+
+                IAMVideoProcAmp pCamControl = (IAMVideoProcAmp)tempSourceObject;
+                int hr = pCamControl.GetRange(property, out minValue, out maxValue, out stepSize, out defaultValue, out controlFlags);
+
+                ret = (hr >= 0);
+
+                Marshal.ReleaseComObject(tempSourceObject);
+            }
+
+            return ret;
+        }
+
         /// <summary>
         /// Worker thread.
         /// </summary>

Sources/Video.DirectShow/VideoProcAmpProperty.cs

@@ -0,0 +1,83 @@
+using System;
+using System.Collections.Generic;
+using System.Text;
+
+namespace AForge.Video.DirectShow
+{
+
+    /// <summary>
+    /// From VideoProcAmpProperty
+    /// </summary>
+    public enum VideoProcAmpProperty
+    {
+        /// <summary>
+        /// 
+        /// </summary>
+        Brightness,
+
+        /// <summary>
+        /// 
+        /// </summary>
+        Contrast,
+
+        /// <summary>
+        /// 
+        /// </summary>
+        Hue,
+
+        /// <summary>
+        /// 
+        /// </summary>
+        Saturation,
+
+        /// <summary>
+        /// 
+        /// </summary>
+        Sharpness,
+
+        /// <summary>
+        /// 
+        /// </summary>
+        Gamma,
+
+        /// <summary>
+        /// 
+        /// </summary>
+        ColorEnable,
+
+        /// <summary>
+        /// 
+        /// </summary>
+        WhiteBalance,
+
+        /// <summary>
+        /// 
+        /// </summary>
+        BacklightCompensation,
+
+        /// <summary>
+        /// 
+        /// </summary>
+        Gain
+    }
+
+    /// <summary>
+    /// From VideoProcAmpFlags
+    /// </summary>
+    [Flags]
+    public enum VideoProcAmpFlags
+    {
+        /// <summary>
+        /// No control flag.
+        /// </summary>
+        None = 0x0,
+        /// <summary>
+        /// Auto control Flag.
+        /// </summary>
+        Auto = 0x0001,
+        /// <summary>
+        /// Manual control Flag.
+        /// </summary>
+        Manual = 0x0002
+    }
+}