Class RtpMapAttribute

Class for represent an SDP rtpmap attribute. See Section 6.6 of RFC 8866.

Inheritance
object
RtpMapAttribute
Inherited Members
Namespace: SipLib.Sdp
Assembly: SipLib.dll
Syntax
public class RtpMapAttribute

Constructors

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RtpMapAttribute()

Constructor

Declaration
public RtpMapAttribute()
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RtpMapAttribute(int, string, int)

Constructor

Declaration
public RtpMapAttribute(int payloadType, string encodingName, int clockRate)
Parameters
Type Name Description
int payloadType

Payload type.
string encodingName

Encoding name. For example "PCMU"
int clockRate

Clock rate in samples/second.

Fields

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Channels

Specifies the number of channels. If not specified then the number of channels is 1. A value of 0 indicates that the number of channels is not set. This is the default case.

Declaration
public int Channels
Field Value
Type Description
int
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ClockRate

Specifies the clock rate or sample rate.

Declaration
public int ClockRate
Field Value
Type Description
int
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EncodingName

Specifies the encoding-name parameter. For example: PCMU

Declaration
public string? EncodingName
Field Value
Type Description
string
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PayloadType

Represents the payload type number. For instance, 0 = PCMU by default.

Declaration
public int PayloadType
Field Value
Type Description
int

Methods

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ParseRtpMap(string)

Parses an attribute value string and returns a new RtpMapAttribute object.

Declaration
public static RtpMapAttribute? ParseRtpMap(string attrValue)
Parameters
Type Name Description
string attrValue

Attribute value string. For example, if the SDP media description has an attribute line line "a=rtpmap 0 PCMU/8000", then the attribute value string would be "0 PCMU/8000".
Returns
Type Description
RtpMapAttribute

Returns a new RtpMapAttribute object if successful or null if a formatting error is detected.
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ToString()

Converts this object into a full SDP attribute line. For example: "a=rtpmap: 0 PCMU/8000".

Declaration
public override string ToString()
Returns
Type Description
string

Returns a full SDP attribute line.
Overrides