Class SpeexDSPJitterBuffer

Speexdsp jitter buffer.

Inheritance
object
SpeexDSPJitterBuffer
Implements
Inherited Members
Namespace: SpeexDSPSharp.Core
Assembly: SpeexDSPSharp.Core.dll
Syntax
public class SpeexDSPJitterBuffer : ISpeexDSPJitterBuffer, IDisposable

Constructors

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SpeexDSPJitterBuffer(int, bool?)

Creates a new speexdsp jitter buffer.

Declaration
public SpeexDSPJitterBuffer(int step_size, bool? use_static = null)
Parameters
Type Name Description
int step_size

Starting value for the size of concealment packets and delay adjustment steps. Can be changed at any time using JITTER_BUFFER_SET_DELAY_STEP and JITTER_BUFFER_GET_CONCEALMENT_SIZE.
bool? use_static

Set to true to force static imports, false to force dynamic imports, or null to auto-select based on platform.

Fields

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_jitterBuffer

Direct jitter buffer for SpeexDSPJitterBuffer. You can close this directly.

Declaration
protected ISpeexDSPJitterBuffer _jitterBuffer
Field Value
Type Description
ISpeexDSPJitterBuffer

Methods

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Ctl<T>(JitterBufferCtl, ref T)

Performs a ctl request.

Declaration
public int Ctl<T>(JitterBufferCtl request, ref T value) where T : unmanaged
Parameters
Type Name Description
JitterBufferCtl request

The request you want to specify.
T value

The input/output value.
Returns
Type Description
int

0 if no error, -1 if request is unknown.
Type Parameters
Name Description
T

The type you want to input/output.
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Dispose()

Declaration
public void Dispose()
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Get(ref SpeexDSPJitterBufferPacket, int, ref int)

Get one packet from the jitter buffer.

Declaration
public JitterBufferState Get(ref SpeexDSPJitterBufferPacket packet, int desired_span, ref int start_offset)
Parameters
Type Name Description
SpeexDSPJitterBufferPacket packet

Returned packet.
int desired_span

Number of samples (or units) we wish to get from the buffer (no guarantee).
int start_offset

Timestamp for the returned packet.
Returns
Type Description
JitterBufferState

JitterBufferState
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GetAnother(ref SpeexDSPJitterBufferPacket)

Used right after jitter_buffer_get() to obtain another packet that would have the same timestamp. This is mainly useful for media where a single "frame" can be split into several packets.

Declaration
public int GetAnother(ref SpeexDSPJitterBufferPacket packet)
Parameters
Type Name Description
SpeexDSPJitterBufferPacket packet

Returned packet.
Returns
Type Description
int

JitterBufferState
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GetPointerTimestamp()

Get pointer timestamp of jitter buffer.

Declaration
public int GetPointerTimestamp()
Returns
Type Description
int

I have no clue what this returns.
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Put(ref SpeexDSPJitterBufferPacket)

Put one packet into the jitter buffer.

Declaration
public void Put(ref SpeexDSPJitterBufferPacket packet)
Parameters
Type Name Description
SpeexDSPJitterBufferPacket packet

Incoming packet.
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RemainingSpan(int)

Telling the jitter buffer about the remaining data in the application buffer.

Declaration
public void RemainingSpan(int remaining_span)
Parameters
Type Name Description
int remaining_span

Amount of data buffered by the application (timestamp units).
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Reset()

Reset the jitter buffer to its original state.

Declaration
public void Reset()
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Tick()

Advance by one tick.

Declaration
public void Tick()
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UpdateDelay(ref SpeexDSPJitterBufferPacket, ref int)

N.A.

Declaration
public int UpdateDelay(ref SpeexDSPJitterBufferPacket packet, ref int start_offset)
Parameters
Type Name Description
SpeexDSPJitterBufferPacket packet
int start_offset
Returns
Type Description
int

Implements

ISpeexDSPJitterBuffer
IDisposable