// 
// CoreVideo.cs
//
// Authors: Mono Team
//     
// Copyright 2011 Novell, Inc
// Copyright 2011, 2012 Xamarin Inc
//
// Permission is hereby granted, free of charge, to any person obtaining
// a copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to
// permit persons to whom the Software is furnished to do so, subject to
// the following conditions:
// 
// The above copyright notice and this permission notice shall be
// included in all copies or substantial portions of the Software.
// 
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
//
using System;
using System.Drawing;
using System.Runtime.InteropServices;
using CPF.Mac.CoreFoundation;
using CPF.Mac.ObjCRuntime;

namespace CPF.Mac.CoreVideo {
	public enum CVAttachmentMode : uint {
		ShouldNotPropagate    = 0,
		ShouldPropagate       = 1,
	}

	[Flags]
	public enum CVPixelBufferLock {
		ReadOnly = 0x00000001,
	}	

	public struct CVPlanarComponentInfo {
		public int Offset;
		public uint RowBytes;
	}

	public struct CVPlanarPixelBufferInfo {
		public CVPlanarComponentInfo[] ComponentInfo;
	}

	public struct CVPlanarPixelBufferInfo_YCbCrPlanar {
		public CVPlanarComponentInfo ComponentInfoY;
		public CVPlanarComponentInfo ComponentInfoCb;
		public CVPlanarComponentInfo ComponentInfoCr;
	}

	public enum CVReturn {
		Success = 0,
		First = -6660,
		Error = First,
		InvalidArgument = -6661,
		AllocationFailed = -6662,
		InvalidDisplay = -6670,
		DisplayLinkAlreadyRunning = -6671,
		DisplayLinkNotRunning = -6672,
		DisplayLinkCallbacksNotSet = -6673,
		InvalidPixelFormat = -6680,
		InvalidSize = -6681,
		InvalidPixelBufferAttributes = -6682,
		PixelBufferNotOpenGLCompatible = -6683,
		WouldExceedAllocationThreshold = -6689,
		PoolAllocationFailed = -6690,
		InvalidPoolAttributes = -6691,
		Last = -6699,
	}

	public enum CVPixelFormatType : uint {
		// FIXME: These all start with integers; what should we do here?
		CV1Monochrome    = 0x00000001,
		CV2Indexed       = 0x00000002,
		CV4Indexed       = 0x00000004,
		CV8Indexed       = 0x00000008,
		CV1IndexedGray_WhiteIsZero = 0x00000021,
		CV2IndexedGray_WhiteIsZero = 0x00000022,
		CV4IndexedGray_WhiteIsZero = 0x00000024,
		CV8IndexedGray_WhiteIsZero = 0x00000028,
		CV16BE555        = 0x00000010,
		CV24RGB          = 0x00000018,
		CV32ARGB         = 0x00000020,
		CV16LE555        = 0x4c353535,
		CV16LE5551       = 0x35353531,
		CV16BE565        = 0x42353635,
		CV16LE565        = 0x4c353635,
		CV24BGR          = 0x32344247,
		CV32BGRA         = 0x42475241,
		CV32ABGR         = 0x41424752,
		CV32RGBA         = 0x52474241,
		CV64ARGB         = 0x62363461,
		CV48RGB          = 0x62343872,
		CV32AlphaGray    = 0x62333261,
		CV16Gray         = 0x62313667,
		CV422YpCbCr8     = 0x32767579,
		CV4444YpCbCrA8   = 0x76343038,
		CV4444YpCbCrA8R  = 0x72343038,
		CV444YpCbCr8     = 0x76333038,
		CV422YpCbCr16    = 0x76323136,
		CV422YpCbCr10    = 0x76323130,
		CV444YpCbCr10    = 0x76343130,
		CV420YpCbCr8Planar = 0x79343230,
		CV420YpCbCr8PlanarFullRange    = 0x66343230,
		CV422YpCbCr_4A_8BiPlanar = 0x61327679,
		CV420YpCbCr8BiPlanarVideoRange = 0x34323076,
		CV420YpCbCr8BiPlanarFullRange  = 0x34323066,
		CV422YpCbCr8_yuvs = 0x79757673,
		CV422YpCbCr8FullRange = 0x79757666,
		CV30RGB = 0x5231306b,
		CV4444AYpCbCr8   = 0x79343038,
		CV4444AYpCbCr16  = 0x79343136,
		// Since 5.1
		OneComponent8 = 0x4C303038,
		TwoComponent8 = 0x32433038,
		// Since 6.0
		OneComponent16Half	= 0x4C303068, // 'L00h'
 		OneComponent32Float = 0x4C303066, // 'L00f'
		TwoComponent16Half  = 0x32433068, // '2C0h'
		TwoComponent32Float = 0x32433066, // '2C0f'
		CV64RGBAHalf		= 0x52476841, // 'RGhA'
		CV128RGBAFloat		= 0x52476641, // 'RGfA'
	}

	public enum CVOptionFlags : long {
		None = 0,
	}

	public struct CVTimeStamp {
		public UInt32		Version;
		public Int32 		VideoTimeScale;
		public Int64 		VideoTime;
		public UInt64 		HostTime;
		public double 		RateScalar;
		public Int64 		VideoRefreshPeriod;
		public CVSMPTETime 	SMPTETime;
		public UInt64 		Flags;
		public UInt64 		Reserved;
	}
        
	public struct CVSMPTETime {
		public Int16	Subframes;
		public Int16	SubframeDivisor;
		public UInt32	Counter;
		public UInt32	Type;
		public UInt32	Flags;
		public Int16	Hours;
		public Int16	Minutes;
		public Int16	Seconds;
		public Int16	Frames;
	}

	[Flags]
	public enum CVTimeFlags {
		IsIndefinite = 1 << 0
	}

	[Flags]
	public enum CVTimeStampFlags {
		VideoTimeValid              = (1 << 0),
		HostTimeValid               = (1 << 1),
		SMPTETimeValid              = (1 << 2),
		VideoRefreshPeriodValid     = (1 << 3),
		RateScalarValid             = (1 << 4),
		TopField                    = (1 << 16),
		BottomField                 = (1 << 17),
		VideoHostTimeValid          = (VideoTimeValid | HostTimeValid),
		IsInterlaced                = (TopField | BottomField)
	}	

	[Flags]
	public enum CVSMPTETimeFlags {
		Valid     = (1 << 0),
		Running   = (1 << 1)
	}

	public enum CVSMPTETimeType {
		Type24        = 0,
		Type25        = 1,
		Type30Drop    = 2,
		Type30        = 3,
		Type2997      = 4,
		Type2997Drop  = 5,
		Type60        = 6,
		Type5994      = 7
	}

	public struct CVFillExtendedPixelsCallBackData {
		public int Version;
		public CVFillExtendedPixelsCallBack FillCallBack;
		public IntPtr UserInfo;
	} 

	public delegate bool CVFillExtendedPixelsCallBack (IntPtr pixelBuffer, IntPtr refCon);
}