Class AudioDecoder

An audio decoder.

Inheritance
System.Object
Foundation.NSObject
Serializable
Dynamic
MediaPipe<IAudioOutput, IAudioOutputCollection, IAudioInput, IAudioInputCollection, AudioPipe, AudioFrame, AudioBuffer, AudioBufferCollection, AudioFormat>
AudioPipe
AudioDecoder
Decoder
Decoder
Decoder
Decoder
Decoder
Inherited Members
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Namespace: FM.LiveSwitch
Assembly: FM.LiveSwitch.dll
Syntax
public abstract class AudioDecoder : AudioPipe, IEquatable<NSObject>, INSObjectProtocol, INativeObject, IDisposable, IAudioInput, IMediaInput<IAudioOutput, IAudioInput, AudioFrame, AudioBuffer, AudioBufferCollection, AudioFormat>, IInput<IAudioOutput, IAudioInput, AudioFrame, AudioBuffer, AudioBufferCollection, AudioFormat>, IAudioOutput, IMediaOutput<IAudioOutput, IAudioInput, AudioFrame, AudioBuffer, AudioBufferCollection, AudioFormat>, IOutput<IAudioOutput, IAudioInput, AudioFrame, AudioBuffer, AudioBufferCollection, AudioFormat>, IAudioElement, IMediaElement, IElement

Constructors

AudioDecoder(AudioFormat, AudioFormat)

Initializes a new instance of the AudioDecoder class.

Declaration
public AudioDecoder(AudioFormat inputFormat, AudioFormat outputFormat)
Parameters
Type Name Description
AudioFormat inputFormat

The input format.
AudioFormat outputFormat

The output format.

Properties

DisablePlc

Gets or sets a value indicating whether to disable packet loss concealment (PLC).

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

FramesDecoded

Gets the number of decoded frames.

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

MaxInputBitrate

Gets the maximum allowed input bitrate, in kbps. A value of -1 indicates unset (no maximum). Returns -1 by default.

Declaration
public override int MaxInputBitrate { get; }
Property Value
Type Description
System.Int32
Overrides
FM.LiveSwitch.MediaPipe<FM.LiveSwitch.IAudioOutput, FM.LiveSwitch.IAudioOutputCollection, FM.LiveSwitch.IAudioInput, FM.LiveSwitch.IAudioInputCollection, FM.LiveSwitch.AudioPipe, FM.LiveSwitch.AudioFrame, FM.LiveSwitch.AudioBuffer, FM.LiveSwitch.AudioBufferCollection, FM.LiveSwitch.AudioFormat>.MaxInputBitrate

MaxOutputBitrate

Gets the maximum allowed output bitrate, in kbps. A value of -1 indicates unset (no maximum). Returns -1 by default.

Declaration
public override int MaxOutputBitrate { get; }
Property Value
Type Description
System.Int32
Overrides
FM.LiveSwitch.MediaPipe<FM.LiveSwitch.IAudioOutput, FM.LiveSwitch.IAudioOutputCollection, FM.LiveSwitch.IAudioInput, FM.LiveSwitch.IAudioInputCollection, FM.LiveSwitch.AudioPipe, FM.LiveSwitch.AudioFrame, FM.LiveSwitch.AudioBuffer, FM.LiveSwitch.AudioBufferCollection, FM.LiveSwitch.AudioFormat>.MaxOutputBitrate

MinInputBitrate

Gets the minimum allowed input bitrate, in kbps. A value of -1 indicates unset (no maximum). Returns -1 by default.

Declaration
public override int MinInputBitrate { get; }
Property Value
Type Description
System.Int32
Overrides
FM.LiveSwitch.MediaPipe<FM.LiveSwitch.IAudioOutput, FM.LiveSwitch.IAudioOutputCollection, FM.LiveSwitch.IAudioInput, FM.LiveSwitch.IAudioInputCollection, FM.LiveSwitch.AudioPipe, FM.LiveSwitch.AudioFrame, FM.LiveSwitch.AudioBuffer, FM.LiveSwitch.AudioBufferCollection, FM.LiveSwitch.AudioFormat>.MinInputBitrate

MinOutputBitrate

Gets the minimum allowed output bitrate, in kbps. A value of -1 indicates unset (no minimum). Returns -1 by default.

Declaration
public override int MinOutputBitrate { get; }
Property Value
Type Description
System.Int32
Overrides
FM.LiveSwitch.MediaPipe<FM.LiveSwitch.IAudioOutput, FM.LiveSwitch.IAudioOutputCollection, FM.LiveSwitch.IAudioInput, FM.LiveSwitch.IAudioInputCollection, FM.LiveSwitch.AudioPipe, FM.LiveSwitch.AudioFrame, FM.LiveSwitch.AudioBuffer, FM.LiveSwitch.AudioBufferCollection, FM.LiveSwitch.AudioFormat>.MinOutputBitrate

MissingDuration

Gets or sets the number of milliseconds missing in the stream between the last frame processed and the current frame. This value is updated constantly, just before a frame is processed.

Declaration
protected int MissingDuration { get; set; }
Property Value
Type Description
System.Int32

Methods

DoProcessTrackStatsFromInput(MediaTrackStats)

Process track stats from an input.

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

The track stats.
Overrides
FM.LiveSwitch.MediaPipe<FM.LiveSwitch.IAudioOutput, FM.LiveSwitch.IAudioOutputCollection, FM.LiveSwitch.IAudioInput, FM.LiveSwitch.IAudioInputCollection, FM.LiveSwitch.AudioPipe, FM.LiveSwitch.AudioFrame, FM.LiveSwitch.AudioBuffer, FM.LiveSwitch.AudioBufferCollection, FM.LiveSwitch.AudioFormat>.DoProcessTrackStatsFromInput(FM.LiveSwitch.MediaTrackStats)

GeneratePlc(Int32)

Generates a PLC buffer. This method uses the DataBufferPool so the returned value MUST be freed.

Declaration
protected AudioBuffer GeneratePlc(int duration)
Parameters
Type Name Description
System.Int32 duration
Returns
Type Description
AudioBuffer

ProcessFrame(AudioFrame)

Processes a frame.

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

The frame.
Returns
Type Description
System.Boolean
Overrides

RaiseFrame(AudioFrame)

Raises a frame.

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

The frame.
Overrides

Implements

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