Class VideoRtpSender

Base class for classes that need to send encoded video frames using RTP.

Inheritance
object
VideoRtpSender
H264RtpSender
VP8RtpSender
Inherited Members
Namespace: SipLib.Video
Assembly: SipLib.dll
Syntax
public class VideoRtpSender

Constructors

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VideoRtpSender(int, uint, RtpSendDelegate)

Constructor

Declaration
public VideoRtpSender(int payloadType, uint frameRate, RtpSendDelegate sender)
Parameters
Type Name Description
int payloadType

The negotiated RTP packet payload type
uint frameRate

The frame rate in frames per second.
RtpSendDelegate sender

Delegate function to use to send RTP packets

Fields

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MAX_RTP_PAYLOAD

The maximum RTP packet payload size to send

Declaration
protected const int MAX_RTP_PAYLOAD = 1200
Field Value
Type Description
int
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PayloadType

The RTP packet payload type field.

Declaration
protected int PayloadType
Field Value
Type Description
int
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RtpSender

Function to call to send the RTP packet.

Declaration
protected RtpSendDelegate RtpSender
Field Value
Type Description
RtpSendDelegate
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SSRC

The RTP packet SSRC field. This is randomly generated by this base class.

Declaration
protected uint SSRC
Field Value
Type Description
uint
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SequenceNumber

The RTP packet sequence number

Declaration
protected ushort SequenceNumber
Field Value
Type Description
ushort
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Timestamp

The RTP packet Timestamp field

Declaration
protected uint Timestamp
Field Value
Type Description
uint
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TimestampIncrement

The amount to increment the Timestamp field when a full frame's worth of RTP packets have been sent.

Declaration
protected uint TimestampIncrement
Field Value
Type Description
uint

Methods

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SendEncodedFrame(byte[])

Derived classes must override this method to send the encoded video frame in RTP packets. The packetization algorithm depends upon the video encoder type.

Declaration
public virtual void SendEncodedFrame(byte[] encodedFrame)
Parameters
Type Name Description
byte[] encodedFrame

The encoded video frame to send.
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SendRtpPacket(byte[], bool)

Sends a single RTP packet

Declaration
protected void SendRtpPacket(byte[] payload, bool markerBit)
Parameters
Type Name Description
byte[] payload
bool markerBit