Class VideoEncoder

A video encoder.

Inheritance
System.Object
Foundation.NSObject
Serializable
Dynamic
MediaPipe<IVideoOutput, IVideoOutputCollection, IVideoInput, IVideoInputCollection, VideoPipe, VideoFrame, VideoBuffer, VideoBufferCollection, VideoFormat>
VideoPipe
VideoEncoder
Encoder
Inherited Members
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Namespace: FM.LiveSwitch
Assembly: FM.LiveSwitch.dll
Syntax
public abstract class VideoEncoder : VideoPipe, IEquatable<NSObject>, INSObjectProtocol, INativeObject, IDisposable, IVideoInput, IMediaInput<IVideoOutput, IVideoInput, VideoFrame, VideoBuffer, VideoBufferCollection, VideoFormat>, IInput<IVideoOutput, IVideoInput, VideoFrame, VideoBuffer, VideoBufferCollection, VideoFormat>, IVideoOutput, IMediaOutput<IVideoOutput, IVideoInput, VideoFrame, VideoBuffer, VideoBufferCollection, VideoFormat>, IOutput<IVideoOutput, IVideoInput, VideoFrame, VideoBuffer, VideoBufferCollection, VideoFormat>, IVideoElement, IMediaElement, IElement

Constructors

VideoEncoder(VideoFormat, VideoFormat)

Initializes a new instance of the VideoEncoder class.

Declaration
public VideoEncoder(VideoFormat inputFormat, VideoFormat outputFormat)
Parameters
Type Name Description
VideoFormat inputFormat

The input format.
VideoFormat outputFormat

The output format.

Properties

Bitrate

Gets or sets the current bitrate, in kbps. A value of -1 indicates unset.

Declaration
public virtual int Bitrate { get; protected set; }
Property Value
Type Description
System.Int32

CanChangeBitrate

Gets whether this pipe can change the output bitrate.

Declaration
protected override bool CanChangeBitrate { get; }
Property Value
Type Description
System.Boolean
Overrides
FM.LiveSwitch.MediaPipe<FM.LiveSwitch.IVideoOutput, FM.LiveSwitch.IVideoOutputCollection, FM.LiveSwitch.IVideoInput, FM.LiveSwitch.IVideoInputCollection, FM.LiveSwitch.VideoPipe, FM.LiveSwitch.VideoFrame, FM.LiveSwitch.VideoBuffer, FM.LiveSwitch.VideoBufferCollection, FM.LiveSwitch.VideoFormat>.CanChangeBitrate

ForceKeyFrame

Gets or sets a value indicating whether a keyframe should be forced.

Declaration
public abstract bool ForceKeyFrame { get; set; }
Property Value
Type Description
System.Boolean

FrameHeight

Gets the last frame height.

Declaration
public int FrameHeight { get; }
Property Value
Type Description
System.Int32

FrameRate

Gets the current frame rate.

Declaration
public double FrameRate { get; }
Property Value
Type Description
System.Double

FramesEncoded

Gets the number of encoded frames.

Declaration
public long FramesEncoded { get; }
Property Value
Type Description
System.Int64

FrameWidth

Gets the last frame width.

Declaration
public int FrameWidth { get; }
Property Value
Type Description
System.Int32

MaxBitrate

Gets or sets the maximum bitrate, in kbps. A value of -1 indicates unset (no maximum).

Declaration
public virtual int MaxBitrate { get; set; }
Property Value
Type Description
System.Int32

MaxCodecBitrate

Gets the maximum possible codec bitrate, in kbps. A value of -1 indicates unset (no maximum).

Declaration
public virtual int MaxCodecBitrate { get; }
Property Value
Type Description
System.Int32

MaxOutputBitrate

Gets or sets the maximum output bitrate, in kbps. A value of -1 indicates unset (no maximum).

Declaration
public override int MaxOutputBitrate { get; protected set; }
Property Value
Type Description
System.Int32
Overrides
FM.LiveSwitch.MediaPipe<FM.LiveSwitch.IVideoOutput, FM.LiveSwitch.IVideoOutputCollection, FM.LiveSwitch.IVideoInput, FM.LiveSwitch.IVideoInputCollection, FM.LiveSwitch.VideoPipe, FM.LiveSwitch.VideoFrame, FM.LiveSwitch.VideoBuffer, FM.LiveSwitch.VideoBufferCollection, FM.LiveSwitch.VideoFormat>.MaxOutputBitrate

MinBitrate

Gets or sets the minimum bitrate, in kbps. A value of -1 indicates unset (no minimum).

Declaration
public virtual int MinBitrate { get; set; }
Property Value
Type Description
System.Int32

MinCodecBitrate

Gets the minimum possible codec bitrate, in kbps. A value of -1 indicates unset (no minimum).

Declaration
public virtual int MinCodecBitrate { get; }
Property Value
Type Description
System.Int32

MinOutputBitrate

Gets or sets the minimum output bitrate, in kbps. A value of -1 indicates unset (no minimum).

Declaration
public override int MinOutputBitrate { get; protected set; }
Property Value
Type Description
System.Int32
Overrides
FM.LiveSwitch.MediaPipe<FM.LiveSwitch.IVideoOutput, FM.LiveSwitch.IVideoOutputCollection, FM.LiveSwitch.IVideoInput, FM.LiveSwitch.IVideoInputCollection, FM.LiveSwitch.VideoPipe, FM.LiveSwitch.VideoFrame, FM.LiveSwitch.VideoBuffer, FM.LiveSwitch.VideoBufferCollection, FM.LiveSwitch.VideoFormat>.MinOutputBitrate

StaticOutputBitrate

Gets or sets whether MinOutputBitrate and MaxOutputBitrate should return MinCodecBitrate and MaxCodecBitrate, respectively, or response to changes in MinBitrate and MaxBitrate.

Declaration
public bool StaticOutputBitrate { get; set; }
Property Value
Type Description
System.Boolean

TargetBitrate

Gets or sets the target bitrate, in kbps. A value of -1 indicates unset (no target).

Declaration
public virtual int TargetBitrate { get; set; }
Property Value
Type Description
System.Int32

TargetOutputBitrate

Gets or sets the target output bitrate, in kbps. A value of -1 indicates unset (no target).

Declaration
public override int TargetOutputBitrate { get; protected set; }
Property Value
Type Description
System.Int32
Overrides
FM.LiveSwitch.MediaPipe<FM.LiveSwitch.IVideoOutput, FM.LiveSwitch.IVideoOutputCollection, FM.LiveSwitch.IVideoInput, FM.LiveSwitch.IVideoInputCollection, FM.LiveSwitch.VideoPipe, FM.LiveSwitch.VideoFrame, FM.LiveSwitch.VideoBuffer, FM.LiveSwitch.VideoBufferCollection, FM.LiveSwitch.VideoFormat>.TargetOutputBitrate

Methods

DoProcessControlFrames(MediaControlFrame[])

Processes the control frames.

Declaration
protected override void DoProcessControlFrames(MediaControlFrame[] controlFrames)
Parameters
Type Name Description
MediaControlFrame[] controlFrames

The control frames.
Overrides
FM.LiveSwitch.MediaPipe<FM.LiveSwitch.IVideoOutput, FM.LiveSwitch.IVideoOutputCollection, FM.LiveSwitch.IVideoInput, FM.LiveSwitch.IVideoInputCollection, FM.LiveSwitch.VideoPipe, FM.LiveSwitch.VideoFrame, FM.LiveSwitch.VideoBuffer, FM.LiveSwitch.VideoBufferCollection, FM.LiveSwitch.VideoFormat>.DoProcessControlFrames(FM.LiveSwitch.MediaControlFrame[])

DoProcessTrackStatsFromOutput(MediaTrackStats)

Processes track stats from an output.

Declaration
protected override void DoProcessTrackStatsFromOutput(MediaTrackStats trackStats)
Parameters
Type Name Description
MediaTrackStats trackStats

The track stats.
Overrides
FM.LiveSwitch.MediaPipe<FM.LiveSwitch.IVideoOutput, FM.LiveSwitch.IVideoOutputCollection, FM.LiveSwitch.IVideoInput, FM.LiveSwitch.IVideoInputCollection, FM.LiveSwitch.VideoPipe, FM.LiveSwitch.VideoFrame, FM.LiveSwitch.VideoBuffer, FM.LiveSwitch.VideoBufferCollection, FM.LiveSwitch.VideoFormat>.DoProcessTrackStatsFromOutput(FM.LiveSwitch.MediaTrackStats)

ProcessFrame(VideoFrame)

Processes the frame.

Declaration
public override bool ProcessFrame(VideoFrame frame)
Parameters
Type Name Description
VideoFrame frame

The frame.
Returns
Type Description
System.Boolean
Overrides
FM.LiveSwitch.MediaPipe<FM.LiveSwitch.IVideoOutput, FM.LiveSwitch.IVideoOutputCollection, FM.LiveSwitch.IVideoInput, FM.LiveSwitch.IVideoInputCollection, FM.LiveSwitch.VideoPipe, FM.LiveSwitch.VideoFrame, FM.LiveSwitch.VideoBuffer, FM.LiveSwitch.VideoBufferCollection, FM.LiveSwitch.VideoFormat>.ProcessFrame(FM.LiveSwitch.VideoFrame)

RaiseFrame(VideoFrame)

Raises the frame.

Declaration
protected override void RaiseFrame(VideoFrame frame)
Parameters
Type Name Description
VideoFrame frame

The frame.
Overrides

Events

OnBitrateChange

Raised when the bitrate changes.

Declaration
public event Action0 OnBitrateChange
Event Type
Type Description
Action0

Implements

System.IEquatable<T>
Foundation.INSObjectProtocol
ObjCRuntime.INativeObject
System.IDisposable