/src/avfoundation.cs

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//
// AVFoundation.cs: This file describes the API that the generator will produce for AVFoundation
//
// Authors:
//   Miguel de Icaza
//   Marek Safar (marek.safar@gmail.com)
//
// Copyright 2009, Novell, Inc.
// Copyright 2010, 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 MonoMac.ObjCRuntime;
using MonoMac.Foundation;
using MonoMac.CoreFoundation;
using MonoMac.CoreMedia;
using MonoMac.CoreGraphics;
using MonoMac.CoreAnimation;
using MonoMac.CoreVideo;
using System;
using System.Drawing;
#if !MONOMAC
using MonoTouch.MediaToolbox;
#endif

namespace MonoMac.AVFoundation {

	delegate void AVAssetImageGeneratorCompletionHandler (CMTime requestedTime, IntPtr imageRef, CMTime actualTime, AVAssetImageGeneratorResult result, NSError error);
	delegate void AVCompletion (bool finished);
	
	[Since (4,0)]
	[BaseType (typeof (NSObject))][Static]
	interface AVMediaType {
		[Field ("AVMediaTypeVideo")]
		NSString Video { get; }
		
		[Field ("AVMediaTypeAudio")]
		NSString Audio { get; }

		[Field ("AVMediaTypeText")]
		NSString Text { get; }

		[Field ("AVMediaTypeClosedCaption")]
		NSString ClosedCaption { get; }

		[Field ("AVMediaTypeSubtitle")]
		NSString Subtitle { get; }

		[Field ("AVMediaTypeTimecode")]
		NSString Timecode { get; }

		[Field ("AVMediaTypeTimedMetadata")]
		[Obsolete ("Deprecated in iOS 6.0, see Metadata")]
		NSString TimedMetadata { get; }

		[Field ("AVMediaTypeMuxed")]
		NSString Muxed { get; }
#if !MONOMAC
		[Since (6,0)]
		[Field ("AVMediaTypeMetadata")]
		NSString Metadata { get; }
#endif
	}

	[Since (4,0)]
	[BaseType (typeof (NSObject))][Static]
	interface AVMediaCharacteristic {
		[Field ("AVMediaCharacteristicVisual")]
		NSString Visual { get; }

		[Field ("AVMediaCharacteristicAudible")]
		NSString Audible { get; }

		[Field ("AVMediaCharacteristicLegible")]
		NSString Legible { get; }

		[Field ("AVMediaCharacteristicFrameBased")]
		NSString FrameBased { get; }

		[MountainLion]
		[Field ("AVMediaCharacteristicIsMainProgramContent")]
		NSString IsMainProgramContent { get; }

		[MountainLion]
		[Field ("AVMediaCharacteristicIsAuxiliaryContent")]
		NSString IsAuxiliaryContent { get; }

		[MountainLion]
		[Field ("AVMediaCharacteristicContainsOnlyForcedSubtitles")]
		NSString ContainsOnlyForcedSubtitles { get; }

		[MountainLion]
		[Field ("AVMediaCharacteristicTranscribesSpokenDialogForAccessibility")]
		NSString TranscribesSpokenDialogForAccessibility { get; }

		[MountainLion]
		[Field ("AVMediaCharacteristicDescribesMusicAndSoundForAccessibility")]
		NSString DescribesMusicAndSoundForAccessibility { get; }

		[MountainLion]
		[Field ("AVMediaCharacteristicDescribesVideoForAccessibility")]
		NSString DescribesVideoForAccessibility { get;  }
#if !MONOMAC
		[Since (6,0)]
		[Field ("AVMediaCharacteristicEasyToRead")]
		NSString EasyToRead { get; }
#endif
	}

	[Since (4,0)]
	[BaseType (typeof (NSObject))][Static]
	interface AVFileType {
		[Field ("AVFileTypeQuickTimeMovie")]
		NSString QuickTimeMovie { get; }
		
		[Field ("AVFileTypeMPEG4")]
		NSString Mpeg4 { get; }
		
		[Field ("AVFileTypeAppleM4V")]
		NSString AppleM4V { get; }
		
		[Field ("AVFileType3GPP")]
		NSString ThreeGpp { get; }
		
		[Field ("AVFileTypeAppleM4A")]
		NSString AppleM4A { get; }
		
		[Field ("AVFileTypeCoreAudioFormat")]
		NSString CoreAudioFormat { get; }
		
		[Field ("AVFileTypeWAVE")]
		NSString Wave { get; }
		
		[Field ("AVFileTypeAIFF")]
		NSString Aiff { get; }
		
		[Field ("AVFileTypeAIFC")]
		NSString Aifc { get; }
		
		[Field ("AVFileTypeAMR")]
		NSString Amr { get; }
	}

	[Since (4,0)]
	[BaseType (typeof (NSObject))][Static]
	interface AVVideo {
		[Field ("AVVideoCodecKey")]
		NSString CodecKey { get; }
		
		[Field ("AVVideoCodecH264")]
		NSString CodecH264 { get; }
		
		[Field ("AVVideoCodecJPEG")]
		NSString CodecJPEG { get; }
		
		[Field ("AVVideoWidthKey")]
		NSString WidthKey { get; }
		
		[Field ("AVVideoHeightKey")]
		NSString HeightKey { get; }

		[Since (5,0)]
		[Field ("AVVideoScalingModeKey")]
		NSString ScalingModeKey { get; }
		
		[Field ("AVVideoCompressionPropertiesKey")]
		NSString CompressionPropertiesKey { get; }
		
		[Field ("AVVideoAverageBitRateKey")]
		NSString AverageBitRateKey { get; }
		
		[Field ("AVVideoMaxKeyFrameIntervalKey")]
		NSString MaxKeyFrameIntervalKey { get; }
		
		[Field ("AVVideoProfileLevelKey")]
		NSString ProfileLevelKey { get; }

		[Since (5,0)]
		[Field ("AVVideoQualityKey")]
		NSString QualityKey { get; }
		
		[Field ("AVVideoProfileLevelH264Baseline30")]
		NSString ProfileLevelH264Baseline30 { get; }
		
		[Field ("AVVideoProfileLevelH264Baseline31")]
		NSString ProfileLevelH264Baseline31 { get; }

		[Field ("AVVideoProfileLevelH264Main30")]
		NSString ProfileLevelH264Main30 { get; }
		
		[Field ("AVVideoProfileLevelH264Main31")]
		NSString ProfileLevelH264Main31 { get; }

		[Since (5,0)]
		[Field ("AVVideoProfileLevelH264Baseline41")]
		NSString ProfileLevelH264Baseline41 { get; }

		[Since (5,0)][MountainLion]
		[Field ("AVVideoProfileLevelH264Main32")]
		NSString ProfileLevelH264Main32 { get; }

		[Since (5,0)]
		[Field ("AVVideoProfileLevelH264Main41")]
		NSString ProfileLevelH264Main41 { get; }
#if !MONOMAC
		[Since (6,0)]
		[Field ("AVVideoProfileLevelH264High40")]
		NSString ProfileLevelH264High40 { get; }

		[Since (6,0)]
		[Field ("AVVideoProfileLevelH264High41")]
		NSString ProfileLevelH264High41 { get; }
#endif
		[Field ("AVVideoPixelAspectRatioKey")]
		NSString PixelAspectRatioKey { get; }
		
		[Field ("AVVideoPixelAspectRatioHorizontalSpacingKey")]
		NSString PixelAspectRatioHorizontalSpacingKey { get; }
		
		[Field ("AVVideoPixelAspectRatioVerticalSpacingKey")]
		NSString PixelAspectRatioVerticalSpacingKey { get; }
		
		[Field ("AVVideoCleanApertureKey")]
		NSString CleanApertureKey { get; }
		
		[Field ("AVVideoCleanApertureWidthKey")]
		NSString CleanApertureWidthKey { get; }
		
		[Field ("AVVideoCleanApertureHeightKey")]
		NSString CleanApertureHeightKey { get; }
		
		[Field ("AVVideoCleanApertureHorizontalOffsetKey")]
		NSString CleanApertureHorizontalOffsetKey { get; }
		
		[Field ("AVVideoCleanApertureVerticalOffsetKey")]
		NSString CleanApertureVerticalOffsetKey { get; }
	}

	[Since (5,0)]
	[Static]
	interface AVVideoScalingModeKey
	{
		[Field ("AVVideoScalingModeFit")]
		NSString Fit { get; }

		[Field ("AVVideoScalingModeResize")]
		NSString Resize { get; }

		[Field ("AVVideoScalingModeResizeAspect")]
		NSString ResizeAspect { get; }

		[Field ("AVVideoScalingModeResizeAspectFill")]
		NSString ResizeAspectFill { get; }
	}
	
	[BaseType (typeof (NSObject))]
	[DisableDefaultCtor]
	interface AVAudioPlayer {
		[Export ("initWithContentsOfURL:error:")][Internal]
		IntPtr Constructor (NSUrl url, IntPtr outError);
	
		[Export ("initWithData:error:")][Internal]
		IntPtr Constructor (NSData  data, IntPtr outError);
	
		[Export ("prepareToPlay")]
		bool PrepareToPlay ();
	
		[Export ("play")]
		bool Play ();
	
		[Export ("pause")]
		void Pause ();
	
		[Export ("stop")]
		void Stop ();
	
		[Export ("playing")]
		bool Playing { [Bind ("isPlaying")] get;  }
	
		[Export ("numberOfChannels")]
		uint NumberOfChannels { get;  }
	
		[Export ("duration")]
		double Duration { get;  }
	
		[Export ("delegate", ArgumentSemantic.Assign)]
		NSObject WeakDelegate { get; set;  }

		[Wrap ("WeakDelegate")]
		AVAudioPlayerDelegate Delegate { get; set; }
	
		[Export ("url")]
		NSUrl Url { get;  }
	
		[Export ("data")]
		NSData Data { get;  }
	
		[Export ("volume")]
		float Volume { get; set;  }
	
		[Export ("currentTime")]
		double CurrentTime { get; set;  }
	
		[Export ("numberOfLoops")]
		int NumberOfLoops { get; set;  }
	
		[Export ("meteringEnabled")]
		bool MeteringEnabled { [Bind ("isMeteringEnabled")] get; set;  }
	
		[Export ("updateMeters")]
		void UpdateMeters ();
	
		[Export ("peakPowerForChannel:")]
		float PeakPower (uint channelNumber);
	
		[Export ("averagePowerForChannel:")]
		float AveragePower (uint channelNumber);

		[Since (4,0)]
		[Export ("deviceCurrentTime")]
		double DeviceCurrentTime { get;  }

		[Since (4,0)]
		[Export ("pan")]
		float Pan { get; set; }

		[Since (4,0)]
		[Export ("playAtTime:")]
		bool PlayAtTime (double time);

		[Since (4,0)]
		[Export ("settings")][Protected]
		NSDictionary WeakSettings { get;  }

		[Wrap ("WeakSettings")]
		AudioSettings SoundSetting { get; }

		[Since (5,0)]
		[Export ("enableRate")]
		bool EnableRate { get; set; }

		[Since (5,0)]
		[Export ("rate")]
		float Rate { get; set; }		
#if !MONOMAC
		[Since (6,0)]
		[Export ("channelAssignments")]
		AVAudioSessionChannelDescription [] ChannelAssignments { get; set; }
#endif
	}
	
	[BaseType (typeof (NSObject))]
	[Model]
	[Protocol]
	interface AVAudioPlayerDelegate {
		[Export ("audioPlayerDidFinishPlaying:successfully:"), CheckDisposed]
		void FinishedPlaying (AVAudioPlayer player, bool flag);
	
		[Export ("audioPlayerDecodeErrorDidOccur:error:")]
		void DecoderError (AVAudioPlayer player, NSError  error);
	
#if !MONOMAC
		[Export ("audioPlayerBeginInterruption:")]
		void BeginInterruption (AVAudioPlayer  player);
	
		[Export ("audioPlayerEndInterruption:")]
		[Obsolete ("Deprecated in iOS 6.0")]
		void EndInterruption (AVAudioPlayer player);

		// Deprecated in iOS 6.0 but we have same C# signature
		[Since (4,0)]
		[Export ("audioPlayerEndInterruption:withFlags:")]
		void EndInterruption (AVAudioPlayer player, AVAudioSessionInterruptionFlags flags);

		//[Since (6,0)]
		//[Export ("audioPlayerEndInterruption:withOptions:")]
		//void EndInterruption (AVAudioPlayer player, AVAudioSessionInterruptionFlags flags);
#endif
	}

	[BaseType (typeof (NSObject))]
	interface AVAudioRecorder {
		[Export ("initWithURL:settings:error:")][Internal]
		IntPtr Constructor (NSUrl url, NSDictionary settings, IntPtr outError);
	
		[Export ("prepareToRecord")]
		bool PrepareToRecord ();
	
		[Export ("record")]
		bool Record ();
	
		[Export ("recordForDuration:")]
		bool RecordFor (double duration);
	
		[Export ("pause")]
		void Pause ();
	
		[Export ("stop")]
		void Stop ();
	
		[Export ("deleteRecording")]
		bool DeleteRecording ();
	
		[Export ("recording")]
		bool Recording { [Bind ("isRecording")] get;  }
	
		[Export ("url")]
		NSUrl Url { get;  }
	
		[Advice ("Use AudioSettings")]
		[Export ("settings")]
		NSDictionary Settings { get;  }

		[Wrap ("Settings")]
		AudioSettings AudioSettings { get; }

		[Export ("delegate")]
		NSObject WeakDelegate { get; set;  }

		[Wrap ("WeakDelegate")]
		AVAudioRecorderDelegate Delegate { get; set;  }
	
		[Export ("currentTime")]
		double currentTime { get; }
	
		[Export ("meteringEnabled")]
		bool MeteringEnabled { [Bind ("isMeteringEnabled")] get; set;  }
	
		[Export ("updateMeters")]
		void UpdateMeters ();
	
		[Export ("peakPowerForChannel:")]
		float PeakPower (uint channelNumber);
	
		[Export ("averagePowerForChannel:")]
		float AveragePower (uint channelNumber);
#if !MONOMAC
		[Since (6,0)]
		[Export ("channelAssignments")]
		AVAudioSessionChannelDescription [] ChannelAssignments { get; set; }

		[Since (6,0)]
		[Export ("recordAtTime:")]
		bool RecordAt (double time);

		[Since (6,0)]
		[Export ("recordAtTime:forDuration:")]
		bool RecordAt (double time, double duration);

		[Since (6,0)]
		[Export ("deviceCurrentTime")]
		double DeviceCurrentTime { get; }
#endif
	}
	
	[BaseType (typeof (NSObject))]
	[Model]
	[Protocol]
	interface AVAudioRecorderDelegate {
		[Export ("audioRecorderDidFinishRecording:successfully:"), CheckDisposed]
		void FinishedRecording (AVAudioRecorder recorder, bool flag);
	
		[Export ("audioRecorderEncodeErrorDidOccur:error:")]
		void EncoderError (AVAudioRecorder recorder, NSError  error);

#if !MONOMAC	
		[Export ("audioRecorderBeginInterruption:")]
		void BeginInterruption (AVAudioRecorder  recorder);
	
		[Obsolete ("Deprecated in iOS 6.0")]
		[Export ("audioRecorderEndInterruption:")]
		void EndInterruption (AVAudioRecorder  recorder);

		// Deprecated in iOS 6.0 but we have same C# signature
		[Since (4,0)]
		[Export ("audioRecorderEndInterruption:withFlags:")]
		void EndInterruption (AVAudioRecorder recorder, AVAudioSessionInterruptionFlags flags);

		//[Since (6,0)]
		//[Export ("audioRecorderEndInterruption:withOptions:")]
		//void EndInterruption (AVAudioRecorder recorder, AVAudioSessionInterruptionFlags flags);
#endif
	}

#if !MONOMAC
	[BaseType (typeof (NSObject))]
	interface AVAudioSession {
		[Export ("sharedInstance"), Static]
		AVAudioSession SharedInstance ();
	
		[Export ("delegate")]
		NSObject WeakDelegate { get; set;  }

		[Wrap ("WeakDelegate")]
		[Obsolete ("Deprecated in iOS 6.0. Use AVAudioSession.Notification.Observe* methods instead")]
		AVAudioSessionDelegate Delegate { get; set;  }
	
		[Export ("setActive:error:")]
		bool SetActive (bool beActive, out NSError outError);

		[Since (4,0)]
		[Export ("setActive:withFlags:error:")]
		[Obsolete ("Deprecated in iOS 6.0. Use SetActive (bool, AVAudioSessionSetActiveOptions, out NSError) instead")]
		bool SetActive (bool beActive, AVAudioSessionFlags flags, out NSError outError);

		[Export ("setCategory:error:")]
		bool SetCategory (NSString theCategory, out NSError outError);
	
		[Obsolete ("Deprecated in iOS 6.0, use SetPreferredSampleRate")]
		[Export ("setPreferredHardwareSampleRate:error:")]
		bool SetPreferredHardwareSampleRate (double sampleRate, out NSError outError);
	
		[Export ("setPreferredIOBufferDuration:error:")]
		bool SetPreferredIOBufferDuration (double duration, out NSError outError);
	
		[Export ("category")]
		NSString Category { get;  }

		[Export ("mode")]
		NSString Mode { get; }

		[Export ("setMode:error:")]
		bool SetMode (NSString mode, out NSError error);
	
		[Export ("preferredHardwareSampleRate")]
		[Obsolete ("Deprecated in iOS 6.0")]
		double PreferredHardwareSampleRate { get;  }
	
		[Export ("preferredIOBufferDuration")]
		double PreferredIOBufferDuration { get;  }
	
		[Export ("inputIsAvailable")]
		[Obsolete ("Deprecated in iOS 6.0")]
		bool InputIsAvailable { get;  }
	
		[Export ("currentHardwareSampleRate")]
		[Obsolete ("Deprecated in iOS 6.0, use SampleRate instead")]
		double CurrentHardwareSampleRate { get;  }
	
		[Export ("currentHardwareInputNumberOfChannels")]
		[Obsolete ("Deprecated in iOS 6.0, use InputNumberOfChannels instead")]
		int CurrentHardwareInputNumberOfChannels { get;  }
	
		[Export ("currentHardwareOutputNumberOfChannels")]
		[Obsolete ("Deprecated in iOS 6.0, use OutputNumberOfChannels instead")]
		int CurrentHardwareOutputNumberOfChannels { get;  }

		[Field ("AVAudioSessionCategoryAmbient")]
		NSString CategoryAmbient { get; }

		[Field ("AVAudioSessionCategorySoloAmbient")]
		NSString CategorySoloAmbient { get; }

		[Field ("AVAudioSessionCategoryPlayback")]
		NSString CategoryPlayback { get; }

		[Field ("AVAudioSessionCategoryRecord")]
		NSString CategoryRecord { get; }

		[Field ("AVAudioSessionCategoryPlayAndRecord")]
		NSString CategoryPlayAndRecord { get; }

		[Field ("AVAudioSessionCategoryAudioProcessing")]
		NSString CategoryAudioProcessing { get; }

		[Field ("AVAudioSessionModeDefault")]
		NSString ModeDefault { get; }

		[Field ("AVAudioSessionModeVoiceChat")]
		NSString ModeVoiceChat { get; }

		[Field ("AVAudioSessionModeVideoRecording")]
		NSString ModeVideoRecording { get; }

		[Field ("AVAudioSessionModeMeasurement")]
		NSString ModeMeasurement { get; }

		[Field ("AVAudioSessionModeGameChat")]
		NSString ModeGameChat { get; }

		[Since (6,0)]
		[Export ("setActive:withOptions:error:")]
		bool SetActive (bool active, AVAudioSessionSetActiveOptions options, out NSError outError);

		[Since (6,0)]
		[Export ("setCategory:withOptions:error:")]
		bool SetCategory (string category, AVAudioSessionCategoryOptions options, out NSError outError);

		[Since (6,0)]
		[Export ("categoryOptions")]
		AVAudioSessionCategoryOptions CategoryOptions { get;  }

		[Since (6,0)]
		[Export ("overrideOutputAudioPort:error:")]
		bool OverrideOutputAudioPort (AVAudioSessionPortOverride portOverride, out NSError outError);

		[Since (6,0)]
		[Export ("otherAudioPlaying")]
		bool OtherAudioPlaying { [Bind ("isOtherAudioPlaying")] get;  }

		[Since (6,0)]
		[Export ("currentRoute")]
		AVAudioSessionRouteDescription CurrentRoute { get;  }

		[Since (6,0)]
		[Export ("setPreferredSampleRate:error:")]
		bool SetPreferredSampleRate (double sampleRate, out NSError error);
		
		[Since (6,0)]
		[Export ("preferredSampleRate")]
		double PreferredSampleRate { get;  }

		[Since (6,0)]
		[Export ("inputGain")]
		float InputGain { get;  }

		[Since (6,0)]
		[Export ("inputGainSettable")]
		bool InputGainSettable { [Bind ("isInputGainSettable")] get;  }

		[Since (6,0)]
		[Export ("inputAvailable")]
		bool InputAvailable { [Bind ("isInputAvailable")] get;  }

		[Since (6,0)]
		[Export ("sampleRate")]
		double SampleRate { get;  }

		[Since (6,0)]
		[Export ("inputNumberOfChannels")]
		int InputNumberOfChannels { get;  }

		[Since (6,0)]
		[Export ("outputNumberOfChannels")]
		int OutputNumberOfChannels { get;  }

		[Since (6,0)]
		[Export ("outputVolume")]
		float OutputVolume { get;  }

		[Since (6,0)]
		[Export ("inputLatency")]
		double InputLatency { get;  }

		[Since (6,0)]
		[Export ("outputLatency")]
		double OutputLatency { get;  }

		[Since (6,0)]
		[Export ("IOBufferDuration")]
		double IOBufferDuration { get;  }

		[Since (6,0)]
		[Export ("setInputGain:error:")]
		bool SetInputGain (float gain, out NSError outError);

		[Since (6,0)]
		[Field ("AVAudioSessionInterruptionNotification")]
		[Notification (typeof (AVAudioSessionInterruptionEventArgs))]
		NSString InterruptionNotification { get; }

		[Since (6,0)]
		[Field ("AVAudioSessionRouteChangeNotification")]
		[Notification (typeof (AVAudioSessionRouteChangeEventArgs))]
		NSString RouteChangeNotification { get; }

		[Since (6,0)]
		[Field ("AVAudioSessionMediaServicesWereResetNotification")]
		[Notification]
		NSString MediaServicesWereResetNotification { get; }

		[Since (6,0)]
		[Field ("AVAudioSessionCategoryMultiRoute")]
		NSString CategoryMultiRoute { get; }
		
		[Since (6,0)]
		[Field ("AVAudioSessionModeMoviePlayback")]
		NSString ModeMoviePlayback { get; }
		
		[Since (6,0)]
		[Field ("AVAudioSessionPortLineIn")]
		NSString PortLineIn { get; }
		
		[Since (6,0)]
		[Field ("AVAudioSessionPortBuiltInMic")]
		NSString PortBuiltInMic { get; }
		
		[Since (6,0)]
		[Field ("AVAudioSessionPortHeadsetMic")]
		NSString PortHeadsetMic { get; }
		
		[Since (6,0)]
		[Field ("AVAudioSessionPortLineOut")]
		NSString PortLineOut { get; }
		
		[Since (6,0)]
		[Field ("AVAudioSessionPortHeadphones")]
		NSString PortHeadphones { get; }
		
		[Since (6,0)]
		[Field ("AVAudioSessionPortBluetoothA2DP")]
		NSString PortBluetoothA2DP { get; }
		
		[Since (6,0)]
		[Field ("AVAudioSessionPortBuiltInReceiver")]
		NSString PortBuiltInReceiver { get; }
		
		[Since (6,0)]
		[Field ("AVAudioSessionPortBuiltInSpeaker")]
		NSString PortBuiltInSpeaker { get; }
		
		[Since (6,0)]
		[Field ("AVAudioSessionPortHDMI")]
		NSString PortHdmi { get; }
		
		[Since (6,0)]
		[Field ("AVAudioSessionPortAirPlay")]
		NSString PortAirPlay { get; }
		
		[Since (6,0)]
		[Field ("AVAudioSessionPortBluetoothHFP")]
		NSString PortBluetoothHfp { get; }
		
		[Since (6,0)]
		[Field ("AVAudioSessionPortUSBAudio")]
		NSString PortUsbAudio { get; }

		[Since (6,0)]
		[Export ("inputDataSources")]
                AVAudioSessionDataSourceDescription [] InputDataSources { get;  }

		[Since (6,0)]
                [Export ("inputDataSource")]
                AVAudioSessionDataSourceDescription InputDataSource { get;  }

		[Since (6,0)]
                [Export ("outputDataSources")]
                AVAudioSessionDataSourceDescription [] OutputDataSources { get;  }

		[Since (6,0)]
                [Export ("outputDataSource")]
                AVAudioSessionDataSourceDescription OutputDataSource { get;  }
		
		[Since (6,0)]
                [Export ("setInputDataSource:error:")]
		[PostGet ("InputDataSource")]
                bool SetInputDataSource (AVAudioSessionDataSourceDescription dataSource, out NSError outError);

		[Since (6,0)]
                [Export ("setOutputDataSource:error:")]
		[PostGet ("OutputDataSource")]
                bool SetOutputDataSource (AVAudioSessionDataSourceDescription dataSource, out NSError outError);

	}

	[Since (6,0)]
        [BaseType (typeof (NSObject))]
        interface AVAudioSessionDataSourceDescription {
                [Export ("dataSourceID")]
                NSNumber DataSourceID { get;  }

                [Export ("dataSourceName")]
                string DataSourceName { get;  }
        }

	interface AVAudioSessionInterruptionEventArgs {
		[Export ("AVAudioSessionInterruptionTypeKey")]
		AVAudioSessionInterruptionType InterruptionType { get; }

		[Export ("AVAudioSessionInterruptionOptionKey")]
		AVAudioSessionInterruptionOptions Option { get; }
	}

	interface AVAudioSessionRouteChangeEventArgs {
		[Export ("AVAudioSessionRouteChangeReasonKey")]
		AVAudioSessionRouteChangeReason Reason { get; }
		
		[Export ("AVAudioSessionRouteChangePreviousRouteKey")]
		AVAudioSessionRouteDescription PreviousRoute { get; }
	}
	
	[BaseType (typeof (NSObject))]
	[Model]
	[Protocol]
	interface AVAudioSessionDelegate {
		[Export ("beginInterruption")]
		void BeginInterruption ();
	
		[Export ("endInterruption")]
		void EndInterruption ();

		[Export ("inputIsAvailableChanged:")]
		void InputIsAvailableChanged (bool isInputAvailable);
	
		[Since (4,0)]
		[Export ("endInterruptionWithFlags:")]
		void EndInterruption (AVAudioSessionInterruptionFlags flags);
	}

	[Since (6,0)]
	[BaseType (typeof (NSObject))]
	interface AVAudioSessionChannelDescription {
		[Export ("channelName")]
		string ChannelName { get;  }

		[Export ("owningPortUID")]
		string OwningPortUID { get;  }

		[Export ("channelNumber")]
		int ChannelNumber { get;  }
	}

	[Since (6,0)]
	[BaseType (typeof (NSObject))]
	interface AVAudioSessionPortDescription {
		[Export ("portType")]
		NSString PortType { get;  }

		[Export ("portName")]
		string PortName { get;  }

		[Export ("UID")]
		string UID { get;  }

		[Export ("channels")]
		AVAudioSessionChannelDescription [] Channels { get;  }
	}

	[Since (6,0)]
	[BaseType (typeof (NSObject))]
	interface AVAudioSessionRouteDescription {
		[Export ("inputs")]
		AVAudioSessionPortDescription [] Inputs { get;  }

		[Export ("outputs")]
		AVAudioSessionPortDescription [] Outputs { get;  }

	}
#endif
	[Since (4,0)]
	[BaseType (typeof (NSObject))]
	// Objective-C exception thrown.  Name: NSInvalidArgumentException Reason: *** initialization method -init cannot be sent to an abstract object of class AVAsset: Create a concrete instance!
	[DisableDefaultCtor]
	interface AVAsset {
		[Export ("duration")]
		CMTime Duration { get;  }

		[Export ("preferredRate")]
		float PreferredRate { get;  }

		[Export ("preferredVolume")]
		float PreferredVolume { get;  }

		[Export ("preferredTransform")]
		CGAffineTransform PreferredTransform { get;  }

		[Export ("naturalSize"), Obsolete ("Deprecated in iOS 5.0. Use NaturalSize/PreferredTransform as appropriate on the video track")]
		SizeF NaturalSize { get;  }

		[Export ("providesPreciseDurationAndTiming")]
		bool ProvidesPreciseDurationAndTiming { get;  }

		[Export ("cancelLoading")]
		void CancelLoading ();

		[Export ("tracks")]
		AVAssetTrack [] Tracks { get;  }

		[Export ("trackWithTrackID:")]
		AVAssetTrack TrackWithTrackID (int trackID);

		[Export ("tracksWithMediaType:")]
		AVAssetTrack [] TracksWithMediaType (string mediaType);

		[Export ("tracksWithMediaCharacteristic:")]
		AVAssetTrack [] TracksWithMediaCharacteristic (string mediaCharacteristic);

		[Export ("lyrics")]
		string Lyrics { get;  }

		[Export ("commonMetadata")]
		AVMetadataItem [] CommonMetadata { get;  }

		[Export ("availableMetadataFormats")]
		string [] AvailableMetadataFormats { get;  }

		[Export ("metadataForFormat:")]
		AVMetadataItem [] MetadataForFormat (string format);

		[Since (4,2)]
		[Export ("hasProtectedContent")]
		bool ProtectedContent { get; }

		[Since (4,3)]
		[Export ("availableChapterLocales")]
		NSLocale [] AvailableChapterLocales { get; }

		[Since (4,3)]
		[Export ("chapterMetadataGroupsWithTitleLocale:containingItemsWithCommonKeys:")]
		AVMetadataItem [] ChapterMetadataGroups (NSLocale forLocale, [NullAllowed] AVMetadataItem [] commonKeys);

		[Since (4,3)]
		[Export ("isPlayable")]
		bool Playable { get; }

		[Since (4,3)]
		[Export ("isExportable")]
		bool Exportable { get; }

		[Since (4,3)]
		[Export ("isReadable")]
		bool Readable { get; }

		[Since (4,3)]
		[Export ("isComposable")]
		bool Composable { get; }

		// 5.0 APIs:
		[Since (5,0)]
		[Static, Export ("assetWithURL:")]
		AVAsset FromUrl (NSUrl url);
#if !MONOMAC
		[Since (5,0)]
		[Export ("availableMediaCharacteristicsWithMediaSelectionOptions")]
		string [] AvailableMediaCharacteristicsWithMediaSelectionOptions { get; }

		[Since (5,0)]
		[Export ("compatibleWithSavedPhotosAlbum")]
		bool CompatibleWithSavedPhotosAlbum  { [Bind ("isCompatibleWithSavedPhotosAlbum")] get; }

		[Since (5,0)]
		[Export ("creationDate")]
		AVMetadataItem CreationDate { get; }
#endif
		[Since (5,0)]
		[Export ("referenceRestrictions")]
		AVAssetReferenceRestrictions ReferenceRestrictions { get; }
#if !MONOMAC
		[Since (5,0)]
		[Export ("mediaSelectionGroupForMediaCharacteristic:")]
		AVMediaSelectionGroup MediaSelectionGroupForMediaCharacteristic (string avMediaCharacteristic);
#endif
		[Export ("statusOfValueForKey:error:")]
		AVKeyValueStatus StatusOfValue (string key, out NSError error);

		[Export ("loadValuesAsynchronouslyForKeys:completionHandler:")]
		[Async ("LoadValuesTaskAsync")]
		void LoadValuesAsynchronously (string [] keys, NSAction handler);
#if !MONOMAC
		[Since (6,0)]
		[Export ("chapterMetadataGroupsBestMatchingPreferredLanguages:")]
		AVTimedMetadataGroup [] GetChapterMetadataGroupsBestMatchingPreferredLanguages (string [] languages);
#endif
	}

	[BaseType (typeof (NSObject))]
	// <quote>You create an asset generator using initWithAsset: or assetImageGeneratorWithAsset:</quote> http://developer.apple.com/library/ios/#documentation/AVFoundation/Reference/AVAssetImageGenerator_Class/Reference/Reference.html
	// calling 'init' returns a NIL handle
	[DisableDefaultCtor]
	interface AVAssetImageGenerator {
		[Export ("maximumSize")]
		SizeF MaximumSize { get; set;  }

		[Export ("apertureMode")]
		NSString ApertureMode { get; set;  }

		[Export ("videoComposition", ArgumentSemantic.Copy)]
		AVVideoComposition VideoComposition { get; set;  }

		[Export ("appliesPreferredTrackTransform")]
		bool AppliesPreferredTrackTransform { get; set; }

		[Static]
		[Export ("assetImageGeneratorWithAsset:")]
		AVAssetImageGenerator FromAsset (AVAsset asset);

		[Export ("initWithAsset:")]
		IntPtr Constructor (AVAsset asset);

		[Export ("copyCGImageAtTime:actualTime:error:")]
		CGImage CopyCGImageAtTime (CMTime requestedTime, out CMTime actualTime, out NSError outError);

		[Export ("generateCGImagesAsynchronouslyForTimes:completionHandler:")]
		void GenerateCGImagesAsynchronously (NSValue[] cmTimesRequestedTimes, AVAssetImageGeneratorCompletionHandler handler);

		[Export ("cancelAllCGImageGeneration")]
		void CancelAllCGImageGeneration ();

		[Field ("AVAssetImageGeneratorApertureModeCleanAperture")]
		NSString ApertureModeCleanAperture { get; }

		[Field ("AVAssetImageGeneratorApertureModeProductionAperture")]
		NSString ApertureModeProductionAperture { get; }

		[Field ("AVAssetImageGeneratorApertureModeEncodedPixels")]
		NSString ApertureModeEncodedPixels { get; }

		// 5.0 APIs
		[Since (5,0)]
		[Export ("requestedTimeToleranceBefore")]
		CMTime RequestedTimeToleranceBefore { get; set;  }

		[Since (5,0)]
		[Export ("requestedTimeToleranceAfter")]
		CMTime RequestedTimeToleranceAfter { get; set;  }
#if !MONOMAC
		[Since (6,0)]
		[Export ("asset")]
		AVAsset Asset { get; }
#endif
	}
	
	[Since (4,1)]
	[BaseType (typeof (NSObject))]
	// Objective-C exception thrown.  Name: NSInvalidArgumentException Reason: *** -[AVAssetReader initWithAsset:error:] invalid parameter not satisfying: asset != ((void*)0)
	[DisableDefaultCtor]
	interface AVAssetReader {
		[Export ("asset")]
		AVAsset Asset { get;  }

		[Export ("status")]
		AVAssetReaderStatus Status { get;  }

		[Export ("error")]
		NSError Error { get;  }

		[Export ("timeRange")]
		CMTimeRange TimeRange { get; set;  }

		[Export ("outputs")]
		AVAssetReaderOutput [] Outputs { get;  }

		[Static, Export ("assetReaderWithAsset:error:")]
		AVAssetReader FromAsset (AVAsset asset, out NSError error);

		[Export ("initWithAsset:error:")]
		IntPtr Constructor (AVAsset asset, out NSError error);

		[Export ("canAddOutput:")]
		bool CanAddOutput (AVAssetReaderOutput output);

		[Export ("addOutput:")]
		void AddOutput (AVAssetReaderOutput output);

		[Export ("startReading")]
		bool StartReading ();

		[Export ("cancelReading")]
		void CancelReading ();
	}

	[Since (4,1)]
	[BaseType (typeof (NSObject))]
	// Objective-C exception thrown.  Name: NSInvalidArgumentException Reason: *** initialization method -init cannot be sent to an abstract object of class AVAssetReaderOutput: Create a concrete instance!
	[DisableDefaultCtor]
	interface AVAssetReaderOutput {
		[Export ("mediaType")]
		string MediaType { get; }

		[Export ("copyNextSampleBuffer")]
		CMSampleBuffer CopyNextSampleBuffer ();

		[Export ("alwaysCopiesSampleData")]
		bool AlwaysCopiesSampleData { get; set; }
	}

	[Since (4,1)]
	[BaseType (typeof (AVAssetReaderOutput))]
	// Objective-C exception thrown.  Name: NSInvalidArgumentException Reason: *** -[AVAssetReaderTrackOutput initWithTrack:outputSettings:] invalid parameter not satisfying: track != ((void*)0)
	[DisableDefaultCtor]
	interface AVAssetReaderTrackOutput {
		[Export ("track")]
		AVAssetTrack Track { get;  }

		[Advice ("Use Create method")]
		[Static, Export ("assetReaderTrackOutputWithTrack:outputSettings:")]
		AVAssetReaderTrackOutput FromTrack (AVAssetTrack track, [NullAllowed] NSDictionary outputSettings);

		[Static, Wrap ("FromTrack (track, settings == null ? null : settings.Dictionary)")]
		AVAssetReaderTrackOutput Create (AVAssetTrack track, [NullAllowed] AudioSettings settings);

		[Static, Wrap ("FromTrack (track, settings == null ? null : settings.Dictionary)")]
		AVAssetReaderTrackOutput Create (AVAssetTrack track, [NullAllowed] AVVideoSettingsUncompressed settings);		

		[Export ("initWithTrack:outputSettings:")]
		IntPtr Constructor (AVAssetTrack track, [NullAllowed] NSDictionary outputSettings);

		[Wrap ("this (track, settings == null ? null : settings.Dictionary)")]		
		IntPtr Constructor (AVAssetTrack track, [NullAllowed] AudioSettings settings);

		[Wrap ("this (track, settings == null ? null : settings.Dictionary)")]		
		IntPtr Constructor (AVAssetTrack track, [NullAllowed] AVVideoSettingsUncompressed settings);

		[Export ("outputSettings")]
		NSDictionary OutputSettings { get; }
	}

	[Since (4,1)]
	[BaseType (typeof (AVAssetReaderOutput))]
	// Objective-C exception thrown.  Name: NSInvalidArgumentException Reason: *** -[AVAssetReaderAudioMixOutput initWithAudioTracks:audioSettings:] invalid parameter not satisfying: audioTracks != ((void*)0)
	[DisableDefaultCtor]
	interface AVAssetReaderAudioMixOutput {
		[Export ("audioTracks")]
		AVAssetTrack [] AudioTracks { get;  }

		[Export ("audioMix", ArgumentSemantic.Copy)]
		AVAudioMix AudioMix { get; set;  }

		[Advice ("Use Create method")]
		[Static, Export ("assetReaderAudioMixOutputWithAudioTracks:audioSettings:")]
		AVAssetReaderAudioMixOutput FromTracks (AVAssetTrack [] audioTracks, [NullAllowed] NSDictionary audioSettings);

		[Wrap ("FromTracks (audioTracks, settings == null ? null : settings.Dictionary)")]
		AVAssetReaderAudioMixOutput Create (AVAssetTrack [] audioTracks, [NullAllowed] AudioSettings settings);

		[Export ("initWithAudioTracks:audioSettings:")]
		IntPtr Constructor (AVAssetTrack [] audioTracks, [NullAllowed] NSDictionary audioSettings);

		[Wrap ("this (audioTracks, settings == null ? null : settings.Dictionary)")]
		IntPtr Constructor (AVAssetTrack [] audioTracks, [NullAllowed] AudioSettings settings);

		[Advice ("Use Settings property")]
		[Export ("audioSettings")]
		NSDictionary AudioSettings { get; }

		[Wrap ("AudioSettings")]
		AudioSettings Settings { get; }
	}

	[Since (4,1)]
	[BaseType (typeof (AVAssetReaderOutput))]
	// crash application if 'init' is called
	[DisableDefaultCtor]
	interface AVAssetReaderVideoCompositionOutput {
		[Export ("videoTracks")]
		AVAssetTrack [] VideoTracks { get;  }

		[Export ("videoComposition", ArgumentSemantic.Copy)]
		AVVideoComposition VideoComposition { get; set;  }

		[Advice ("Use Create method")]
		[Static]
		[Export ("assetReaderVideoCompositionOutputWithVideoTracks:videoSettings:")]
		AVAssetReaderVideoCompositionOutput WeakFromTracks (AVAssetTrack [] videoTracks, [NullAllowed] NSDictionary videoSettings);

		[Wrap ("WeakFromTracks (videoTracks, settings == null ? null : settings.Dictionary)")]
		[Static]
		AVAssetReaderVideoCompositionOutput Create (AVAssetTrack [] videoTracks, [NullAllowed] CVPixelBufferAttributes settings);

		[Export ("initWithVideoTracks:videoSettings:")]
		IntPtr Constructor (AVAssetTrack [] videoTracks, [NullAllowed] NSDictionary videoSettings);

		[Wrap ("this (videoTracks, settings == null ? null : settings.Dictionary)")]
		IntPtr Constructor (AVAssetTrack [] videoTracks, [NullAllowed] CVPixelBufferAttributes settings);		

		[Export ("videoSettings")]
		NSDictionary WeakVideoSettings { get; }

		[Wrap ("WeakVideoSettings")]
		CVPixelBufferAttributes UncompressedVideoSettings { get; }
	}
#if !MONOMAC
	[Since (6,0)]
	[BaseType (typeof (NSObject))]
	interface AVAssetResourceLoader {
		[Export ("delegate")]
		AVAssetResourceLoaderDelegate Delegate { get;  }

		[Export ("delegateQueue")]
		DispatchQueue DelegateQueue { get;  }

		[Export ("setDelegate:queue:")]
		void SetDelegate (AVAssetResourceLoaderDelegate resourceLoaderDelegate, DispatchQueue delegateQueue);
	}

	[Since (6,0)]
	[BaseType (typeof (NSObject))]
	[Model]
	[Protocol]
	interface AVAssetResourceLoaderDelegate {
		[Abstract]
		[Export ("resourceLoader:shouldWaitForLoadingOfRequestedResource:")]
		bool ShouldWaitForLoadingOfRequestedResource (AVAssetResourceLoader resourceLoader, AVAssetResourceLoadingRequest loadingRequest);
	}

	[Since (6,0)]
	[BaseType (typeof (NSObject))]
	interface AVAssetResourceLoadingRequest {
		[Export ("request")]
		NSUrlRequest Request { get;  }

		[Export ("finished")]
		bool Finished { get;  }

		[Export ("finishLoadingWithResponse:data:redirect:")]
		void FinishLoading (NSUrlResponse usingResponse, [NullAllowed] NSData data, [NullAllowed] NSUrlRequest redirect);

		[Export ("finishLoadingWithError:")]
		void FinishLoadingWithError (NSError error);

		[Export ("streamingContentKeyRequestDataForApp:contentIdentifier:options:error:")]
		NSData GetStreamingContentKey (NSData appIdentifier, NSData contentIdentifier, [NullAllowed] NSDictionary options, out NSError error);
	}
#endif
	[Since (4,1)]
	[BaseType (typeof (NSObject))]
	// Objective-C exception thrown.  Name: NSInvalidArgumentException Reason: *** -[AVAssetWriter initWithURL:fileType:error:] invalid parameter not satisfying: outputURL != ((void*)0)
	[DisableDefaultCtor]
	interface AVAssetWriter {
		[Export ("outputURL", ArgumentSemantic.Copy)]
		NSUrl OutputURL { get;  }

		[Export ("outputFileType")]
		string OutputFileType { get;  }

		[Export ("status")]
		AVAssetWriterStatus Status { get;  }

		[Export ("error")]
		NSError Error { get;  }

		[Export ("movieFragmentInterval")]
		CMTime MovieFragmentInterval { get; set;  }

		[Export ("shouldOptimizeForNetworkUse")]
		bool ShouldOptimizeForNetworkUse { get; set;  }

		[Export ("inputs")]
		AVAssetWriterInput [] inputs { get;  }

		[Export ("metadata")]
		AVMetadataItem [] Metadata { get; set;  }

		[Static, Export ("assetWriterWithURL:fileType:error:")]
		AVAssetWriter FromUrl (NSUrl outputUrl, string outputFileType, out NSError error);

		[Export ("initWithURL:fileType:error:")]
		IntPtr Constructor (NSUrl outputUrl, string outputFileType, out NSError error);

		[Export ("canApplyOutputSettings:forMediaType:")]
		bool CanApplyOutputSettings (NSDictionary outputSettings, string mediaType);

		[Wrap ("CanApplyOutputSettings (outputSettings == null ? null : outputSettings.Dictionary, mediaType)")]
		bool CanApplyOutputSettings (AudioSettings outputSettings, string mediaType);

		[Wrap ("CanApplyOutputSettings (outputSettings == null ? null : outputSettings.Dictionary, mediaType)")]
		bool CanApplyOutputSettings (AVVideoSettingsCompressed outputSettings, string mediaType);

		[Export ("canAddInput:")]
		bool CanAddInput (AVAssetWriterInput input);

		[Export ("addInput:")]
		void AddInput (AVAssetWriterInput input);

		[Export ("startWriting")]
		bool StartWriting ();

		[Export ("startSessionAtSourceTime:")]
		void StartSessionAtSourceTime (CMTime startTime);

		[Export ("endSessionAtSourceTime:")]
		void EndSessionAtSourceTime (CMTime endTime);

		[Export ("cancelWriting")]
		void CancelWriting ();

		[Export ("finishWriting")]
		[Obsolete ("Deprecated in iOS 6.0. Use the asynchronous FinishWriting(NSAction completionHandler) instead")]
		bool FinishWriting ();
#if !MONOMAC
		[Since (6,0)]
		[Export ("finishWritingWithCompletionHandler:")]
		[Async]
		void FinishWriting (NSAction completionHandler);
#endif
		[Export ("movieTimeScale")]
		int MovieTimeScale { get; set; }
	}

	[Since (4,1)]
	[BaseType (typeof (NSObject))]
	// Objective-C exception thrown.  Name: NSInvalidArgumentException Reason: *** -[AVAssetWriterInput initWithMediaType:outputSettings:] invalid parameter not satisfying: mediaType != ((void*)0)
	[DisableDefaultCtor]
	interface AVAssetWriterInput {
#if !MONOMAC
		[Since (6,0)]
		[Protected]
		[Export ("initWithMediaType:outputSettings:sourceFormatHint:")]
		IntPtr Constructor (string mediaType, [NullAllowed] NSDictionary outputSettings, CMFormatDescription sourceFormatHint);

		[Since (6,0)]
		[Wrap ("this (mediaType, outputSettings == null ? null : outputSettings.Dictionary, sourceFormatHint)")]
		IntPtr Constructor (string mediaType, [NullAllowed] AudioSettings outputSettings, CMFormatDescription sourceFormatHint);

		[Since (6,0)]
		[Wrap ("this (mediaType, outputSettings == null ? null : outputSettings.Dictionary, sourceFormatHint)")]
		IntPtr Constructor (string mediaType, [NullAllowed] AVVideoSettingsCompressed outputSettings, CMFormatDescription sourceFormatHint);

		[Since (6,0)]
		[Static, Internal]
		[Export ("assetWriterInputWithMediaType:outputSettings:sourceFormatHint:")]
		AVAssetWriterInput Create (string mediaType, [NullAllowed] NSDictionary outputSettings, CMFormatDescription sourceFormatHint);

		[Since (6,0)]
		[Static]
		[Wrap ("Create(mediaType, outputSettings == null ? null : outputSettings.Dictionary, sourceFormatHint)")]
		AVAssetWriterInput Create (string mediaType, [NullAllowed] AudioSettings outputSettings, CMFormatDescription sourceFormatHint);

		[Since (6,0)]
		[Static]
		[Wrap ("Create(mediaType, outputSettings == null ? null : outputSettings.Dictionary, sourceFormatHint)")]
		AVAssetWriterInput Create (string mediaType, [NullAllowed] AVVideoSettingsCompressed outputSettings, CMFormatDescription sourceFormatHint);
#endif

		[Export ("mediaType")]
		string MediaType { get;  }

		[Export ("outputSettings")]
		NSDictionary OutputSettings { get;  }

		[Export ("transform")]
		CGAffineTransform Transform { get; set;  }

		[Export ("metadata")]
		AVMetadataItem [] Metadata { get; set;  }

		[Export ("readyForMoreMediaData")]
		bool ReadyForMoreMediaData { [Bind ("isReadyForMoreMediaData")] get;  }

		[Export ("expectsMediaDataInRealTime")]
		bool ExpectsMediaDataInRealTime { get; set;  }

		[Advice ("Use constructor or Create method")]
		[Static, Export ("assetWriterInputWithMediaType:outputSettings:")]
		AVAssetWriterInput FromType (string mediaType, [NullAllowed] NSDictionary outputSettings);

		[Static, Wrap ("FromType (mediaType, outputSettings == null ? null : outputSettings.Dictionary)")]
		AVAssetWriterInput Create (string mediaType, [NullAllowed] AudioSettings outputSettings);

		[Static, Wrap ("FromType (mediaType, outputSettings == null ? null : outputSettings.Dictionary)")]
		AVAssetWriterInput Create (string mediaType, [NullAllowed] AVVideoSettingsCompressed outputSettings);

		// Should be protected
		[Export ("initWithMediaType:outputSettings:")]
		IntPtr Constructor (string mediaType, [NullAllowed] NSDictionary outputSettings);

		[Wrap ("this (mediaType, outputSettings == null ? null : outputSettings.Dictionary)")]		
		IntPtr Constructor (string mediaType, [NullAllowed] AudioSettings outputSettings);

		[Wrap ("this (mediaType, outputSettings == null ? null : outputSettings.Dictionary)")]		
		IntPtr Constructor (string mediaType, [NullAllowed] AVVideoSettingsCompressed outputSettings);

		[Export ("requestMediaDataWhenReadyOnQueue:usingBlock:")]
		void RequestMediaData (DispatchQueue queue, NSAction action);

		[Export ("appendSampleBuffer:")]
		bool AppendSampleBuffer (CMSampleBuffer sampleBuffer);

		[Export ("markAsFinished")]
		void MarkAsFinished ();

		[Export ("mediaTimeScale")]
		int MediaTimeScale { get; set; }

#if !MONOMAC
		[Since (6,0)]
		[Export ("sourceFormatHint")]
		CMFormatDescription SourceFormatHint { get; }
#endif
	}

	[Since (4,1)]
	[BaseType (typeof (NSObject))]
	// Objective-C exception thrown.  Name: NSInvalidArgumentException Reason: *** -[AVAssetWriterInputPixelBufferAdaptor initWithAssetWriterInput:sourcePixelBufferAttributes:] invalid parameter not satisfying: input != ((void*)0)
	[DisableDefaultCtor]
	interface AVAssetWriterInputPixelBufferAdaptor {
		[Export ("assetWriterInput")]
		AVAssetWriterInput AssetWriterInput { get;  }

		[Export ("sourcePixelBufferAttributes")]
		NSDictionary SourcePixelBufferAttributes { get;  }

		[Wrap ("SourcePixelBufferAttributes")]
		CVPixelBufferAttributes Attributes { get; }

		[Export ("pixelBufferPool")]
		CVPixelBufferPool PixelBufferPool { get;  }

		[Advice ("Use Create method")]
		[Static, Export ("assetWriterInputPixelBufferAdaptorWithAssetWriterInput:sourcePixelBufferAttributes:")]
		AVAssetWriterInputPixelBufferAdaptor FromInput (AVAssetWriterInput input, [NullAllowed] NSDictionary sourcePixelBufferAttributes);

		[Static, Wrap ("FromInput (input, attributes == null ? null : attributes.Dictionary)")]
		AVAssetWriterInputPixelBufferAdaptor Create (AVAssetWriterInput input, [NullAllowed] CVPixelBufferAttributes attributes);

		[Export ("initWithAssetWriterInput:sourcePixelBufferAttributes:")]
		IntPtr Constructor (AVAssetWriterInput input, [NullAllowed] NSDictionary sourcePixelBufferAttributes);

		[Wrap ("this (input, attributes == null ? null : attributes.Dictionary)")]
		IntPtr Constructor (AVAssetWriterInput input, [NullAllowed] CVPixelBufferAttributes attributes);		

		[Export ("appendPixelBuffer:withPresentationTime:")]
		bool AppendPixelBufferWithPresentationTime (CVPixelBuffer pixelBuffer, CMTime presentationTime);
	}

	[Since (4,0)]
	[BaseType (typeof (AVAsset), Name="AVURLAsset")]
	// 'init' returns NIL
	[DisableDefaultCtor]
	interface AVUrlAsset {
		[Export ("URL", ArgumentSemantic.Copy)]
		NSUrl Url { get;  }

		[Advice ("Use Create or constructor")]
		[Static, Export ("URLAssetWithURL:options:")]
		AVUrlAsset FromUrl (NSUrl URL, [NullAllowed] NSDictionary options);

		[Static]
		[Wrap ("FromUrl (url, options == null ? null : options.Dictionary)")]
		AVUrlAsset Create (NSUrl url, [NullAllowed] AVUrlAssetOptions options);

		[Export ("initWithURL:options:")]
		IntPtr Constructor (NSUrl URL, [NullAllowed] NSDictionary options);

		[Wrap ("this (url, options == null ? null : options.Dictionary)")]
		IntPtr Constructor (NSUrl url, [NullAllowed] AVUrlAssetOptions options);

		[Export ("compatibleTrackForCompositionTrack:")]
		AVAssetTrack CompatibleTrack (AVCompositionTrack forCompositionTrack);

		[Field ("AVURLAssetPreferPreciseDurationAndTimingKey")]
		NSString PreferPreciseDurationAndTimingKey { get; }

		[Field ("AVURLAssetReferenceRestrictionsKey")]
		NSString ReferenceRestrictionsKey { get; }

		[Since (5,0)]
		[Static, Export ("audiovisualMIMETypes")]
		string [] AudiovisualMimeTypes { get; }

		[Since (5,0)]
		[Static, Export ("audiovisualTypes")]
		string [] AudiovisualTypes { get; }

		[Since (5,0)]
		[Static, Export ("isPlayableExtendedMIMEType:")]
		bool IsPlayable (string extendedMimeType);
#if !MONOMAC
		[Since (6,0)]
		[Export ("resourceLoader")]
		AVAssetResourceLoader ResourceLoader { get;  }
#endif
	}

	[BaseType (typeof (NSObject))]
	// 'init' returns NIL
	[DisableDefaultCtor]
	interface AVAssetTrack {
		[Export ("trackID")]
		int TrackID { get;  }

		[Export ("asset")]
		AVAsset Asset { get; }

		[Export ("mediaType")]
		string MediaType { get;  }

		// Weak version
		[Export ("formatDescriptions")]
		NSObject [] FormatDescriptionsAsObjects { get;  }

		[Wrap ("Array.ConvertAll (FormatDescriptionsAsObjects, l => CMFormatDescription.Create (l.Handle, false))")]
		CMFormatDescription[] FormatDescriptions { get; }

		[Export ("enabled")]
		bool Enabled { [Bind ("isEnabled")] get;  }

		[Export ("selfContained")]
		bool SelfContained { [Bind ("isSelfContained")] get;  }

		[Export ("totalSampleDataLength")]
		long TotalSampleDataLength { get;  }

		[Export ("hasMediaCharacteristic:")]
		bool HasMediaCharacteristic (string mediaCharacteristic);

		[Export ("timeRange")]
		CMTimeRange TimeRange { get;  }

		[Export ("naturalTimeScale")]
		int NaturalTimeScale { get;  }

		[Export ("estimatedDataRate")]
		float EstimatedDataRate { get;  }

		[Export ("languageCode")]
		string LanguageCode { get;  }

		[Export ("extendedLanguageTag")]
		string ExtendedLanguageTag { get;  }

		[Export ("naturalSize")]
		SizeF NaturalSize { get;  }

		[Export ("preferredVolume")]
		float PreferredVolume { get;  }

		[Export ("preferredTransform")]
		CGAffineTransform PreferredTransform { get; }

		[Export ("nominalFrameRate")]
		float NominalFrameRate { get;  }

		[Export ("segments", ArgumentSemantic.Copy)]
		AVAssetTrackSegment [] Segments { get;  }

		[Export ("segmentForTrackTime:")]
		AVAssetTrackSegment SegmentForTrackTime (CMTime trackTime);

		[Export ("samplePresentationTimeForTrackTime:")]
		CMTime SamplePresentationTimeForTrackTime (CMTime trackTime);

		[Export ("availableMetadataFormats")]
		string [] AvailableMetadataFormats { get;  }

		[Export ("commonMetadata")]
		AVMetadataItem [] CommonMetadata { get; }

		[Export ("metadataForFormat:")]
		AVMetadataItem [] MetadataForFormat (string format);

		[Export ("isPlayable")]
		bool Playable { get; }
	}
#if !MONOMAC
	[BaseType (typeof (NSObject))]
	interface AVMediaSelectionGroup {
		[Export ("options")]
		AVMediaSelectionOption [] Options { get;  }
		
		[Export ("allowsEmptySelection")]
		bool AllowsEmptySelection { get;  }

		[Export ("mediaSelectionOptionWithPropertyList:")]
		AVMediaSelectionOption GetMediaSelectionOptionForPropertyList (NSObject propertyList);

		[Static]
		[Export ("playableMediaSelectionOptionsFromArray:")]
		AVMediaSelectionOption [] PlayableMediaSelectionOptions (AVMediaSelectionOption [] source);

		[Static]
		[Export ("mediaSelectionOptionsFromArray:withLocale:")]
		AVMediaSelectionOption [] MediaSelectionOptions (AVMediaSelectionOption [] source, NSLocale locale);

		[Static]
		[Export ("mediaSelectionOptionsFromArray:withMediaCharacteristics:")]
		AVMediaSelectionOption [] MediaSelectionOptions (AVMediaSelectionOption [] source, NSString [] avmediaCharacteristics);

		[Static]
		[Export ("mediaSelectionOptionsFromArray:withoutMediaCharacteristics:")]
		AVMediaSelectionOption [] MediaSelectionOptionsExcludingCharacteristics (AVMediaSelectionOption [] source, NSString [] avmediaCharacteristics);
	}

	[BaseType (typeof (NSObject))]
	interface AVMediaSelectionOption {
		[Export ("mediaType")]
		string MediaType { get;  }

		[Export ("mediaSubTypes")]
		NSNumber []  MediaSubTypes { get;  }

		[Export ("playable")]
		bool Playable { [Bind ("isPlayable")] get;  }

		[Export ("locale")]
		NSLocale Locale { get;  }

		[Export ("commonMetadata")]
		AVMetadataItem [] CommonMetadata { get;  }

		[Export ("availableMetadataFormats")]
		string [] AvailableMetadataFormats { get;  }

		[Export ("hasMediaCharacteristic:")]
		bool HasMediaCharacteristic (string mediaCharacteristic);

		[Export ("metadataForFormat:")]
		AVMetadataItem [] GetMetadataForFormat (string format);

		[Export ("associatedMediaSelectionOptionInMediaSelectionGroup:")]
		AVMediaSelectionOption AssociatedMediaSelectionOptionInMediaSelectionGroup (AVMediaSelectionGroup mediaSelectionGroup);

		[Export ("propertyList")]
		NSObject PropertyList { get; }
	}
#endif
	[Static]
	interface AVMetadata {
		[Field ("AVMetadataKeySpaceCommon")]
		NSString KeySpaceCommon { get; }
		
		[Field ("AVMetadataCommonKeyTitle")]
		NSString CommonKeyTitle { g…