Class SDPMediaAnnouncement

Inheritance
System.Object
SDPMediaAnnouncement
Inherited Members
System.Object.Equals(System.Object)
System.Object.Equals(System.Object, System.Object)
System.Object.GetHashCode()
System.Object.GetType()
System.Object.MemberwiseClone()
System.Object.ReferenceEquals(System.Object, System.Object)
Namespace: SIPSorcery.Net
Assembly: SIPSorcery.dll
Syntax
public class SDPMediaAnnouncement

Constructors

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SDPMediaAnnouncement()

Declaration
public SDPMediaAnnouncement()
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SDPMediaAnnouncement(SDPConnectionInformation)

Declaration
public SDPMediaAnnouncement(SDPConnectionInformation connection)
Parameters
Type Name Description
SDPConnectionInformation connection
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SDPMediaAnnouncement(SDPMediaTypesEnum, SDPConnectionInformation, Int32, SDPMessageMediaFormat)

Declaration
public SDPMediaAnnouncement(SDPMediaTypesEnum mediaType, SDPConnectionInformation connection, int port, SDPMessageMediaFormat messageMediaFormat)
Parameters
Type Name Description
SDPMediaTypesEnum mediaType
SDPConnectionInformation connection
System.Int32 port
SDPMessageMediaFormat messageMediaFormat
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SDPMediaAnnouncement(SDPMediaTypesEnum, Int32, List<SDPApplicationMediaFormat>)

Declaration
public SDPMediaAnnouncement(SDPMediaTypesEnum mediaType, int port, List<SDPApplicationMediaFormat> appMediaFormats)
Parameters
Type Name Description
SDPMediaTypesEnum mediaType
System.Int32 port
System.Collections.Generic.List<SDPApplicationMediaFormat> appMediaFormats
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SDPMediaAnnouncement(SDPMediaTypesEnum, Int32, List<SDPAudioVideoMediaFormat>)

Declaration
public SDPMediaAnnouncement(SDPMediaTypesEnum mediaType, int port, List<SDPAudioVideoMediaFormat> mediaFormats)
Parameters
Type Name Description
SDPMediaTypesEnum mediaType
System.Int32 port
System.Collections.Generic.List<SDPAudioVideoMediaFormat> mediaFormats
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SDPMediaAnnouncement(Int32)

Declaration
public SDPMediaAnnouncement(int port)
Parameters
Type Name Description
System.Int32 port

Fields

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ApplicationMediaFormats

List of media formats for "application media announcements. Application media announcements have different semantics to audio/video announcements. They can also use aribtrary strings as the format ID.

Declaration
public Dictionary<string, SDPApplicationMediaFormat> ApplicationMediaFormats
Field Value
Type Description
System.Collections.Generic.Dictionary<System.String, SDPApplicationMediaFormat>
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BandwidthAttributes

Declaration
public List<string> BandwidthAttributes
Field Value
Type Description
System.Collections.Generic.List<System.String>
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Connection

Declaration
public SDPConnectionInformation Connection
Field Value
Type Description
SDPConnectionInformation
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DEFAULT_STREAM_STATUS

Declaration
public const MediaStreamStatusEnum DEFAULT_STREAM_STATUS = MediaStreamStatusEnum.SendRecv
Field Value
Type Description
MediaStreamStatusEnum
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DtlsFingerprint

Declaration
public string DtlsFingerprint
Field Value
Type Description
System.String
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ExtraMediaAttributes

Declaration
public List<string> ExtraMediaAttributes
Field Value
Type Description
System.Collections.Generic.List<System.String>
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HeaderExtensions

a=extmap - Mapping for RTP header extensions

Declaration
public Dictionary<int, RTPHeaderExtension> HeaderExtensions
Field Value
Type Description
System.Collections.Generic.Dictionary<System.Int32, RTPHeaderExtension>
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IceCandidates

Declaration
public List<string> IceCandidates
Field Value
Type Description
System.Collections.Generic.List<System.String>
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IceEndOfCandidates

Declaration
public bool IceEndOfCandidates
Field Value
Type Description
System.Boolean
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IceOptions

Declaration
public string IceOptions
Field Value
Type Description
System.String
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IcePwd

Declaration
public string IcePwd
Field Value
Type Description
System.String
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IceRole

Declaration
public IceRolesEnum? IceRole
Field Value
Type Description
System.Nullable<IceRolesEnum>
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IceUfrag

Declaration
public string IceUfrag
Field Value
Type Description
System.String
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m_CRLF

Declaration
public const string m_CRLF = "\r\n"
Field Value
Type Description
System.String
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MaxMessageSize

The "max-message-size" attribute defined in https://tools.ietf.org/html/draft-ietf-mmusic-sctp-sdp-26 for use in WebRTC data channels.

Declaration
public long MaxMessageSize
Field Value
Type Description
System.Int64
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Media

Declaration
public SDPMediaTypesEnum Media
Field Value
Type Description
SDPMediaTypesEnum
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MEDIA_EXTENSION_MAP_ATTRIBUE_PREFIX

Declaration
public const string MEDIA_EXTENSION_MAP_ATTRIBUE_PREFIX = "a=extmap:"
Field Value
Type Description
System.String
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MEDIA_FORMAT_ATTRIBUTE_PREFIX

Declaration
public const string MEDIA_FORMAT_ATTRIBUTE_PREFIX = "a=rtpmap:"
Field Value
Type Description
System.String
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MEDIA_FORMAT_FEEDBACK_PREFIX

Declaration
public const string MEDIA_FORMAT_FEEDBACK_PREFIX = "a=rtcp-fb:"
Field Value
Type Description
System.String
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MEDIA_FORMAT_MAX_MESSAGE_SIZE_ATTRIBUE_PREFIX

Declaration
public const string MEDIA_FORMAT_MAX_MESSAGE_SIZE_ATTRIBUE_PREFIX = "a=max-message-size:"
Field Value
Type Description
System.String
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MEDIA_FORMAT_PARAMETERS_ATTRIBUE_PREFIX

Declaration
public const string MEDIA_FORMAT_PARAMETERS_ATTRIBUE_PREFIX = "a=fmtp:"
Field Value
Type Description
System.String
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MEDIA_FORMAT_PATH_ACCEPT_TYPES_PREFIX

Declaration
public const string MEDIA_FORMAT_PATH_ACCEPT_TYPES_PREFIX = "a=accept-types:"
Field Value
Type Description
System.String
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MEDIA_FORMAT_PATH_MSRP_PREFIX

Declaration
public const string MEDIA_FORMAT_PATH_MSRP_PREFIX = "a=path:msrp:"
Field Value
Type Description
System.String
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MEDIA_FORMAT_SCTP_MAP_ATTRIBUE_PREFIX

Declaration
public const string MEDIA_FORMAT_SCTP_MAP_ATTRIBUE_PREFIX = "a=sctpmap:"
Field Value
Type Description
System.String
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MEDIA_FORMAT_SCTP_PORT_ATTRIBUE_PREFIX

Declaration
public const string MEDIA_FORMAT_SCTP_PORT_ATTRIBUE_PREFIX = "a=sctp-port:"
Field Value
Type Description
System.String
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MEDIA_FORMAT_SSRC_ATTRIBUE_PREFIX

Declaration
public const string MEDIA_FORMAT_SSRC_ATTRIBUE_PREFIX = "a=ssrc:"
Field Value
Type Description
System.String
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MEDIA_FORMAT_SSRC_GROUP_ATTRIBUE_PREFIX

Declaration
public const string MEDIA_FORMAT_SSRC_GROUP_ATTRIBUE_PREFIX = "a=ssrc-group:"
Field Value
Type Description
System.String
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MediaDescription

In media definitions, "i=" fields are primarily intended for labelling media streams https://tools.ietf.org/html/rfc4566#page-12

Declaration
public string MediaDescription
Field Value
Type Description
System.String
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MediaFormats

For AVP these will normally be a media payload type as defined in the RTP Audio/Video Profile.

Declaration
public Dictionary<int, SDPAudioVideoMediaFormat> MediaFormats
Field Value
Type Description
System.Collections.Generic.Dictionary<System.Int32, SDPAudioVideoMediaFormat>
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MediaID

If being used in a bundle this the ID for the announcement. Example: a=mid:audio or a=mid:video.

Declaration
public string MediaID
Field Value
Type Description
System.String
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MessageMediaFormat

For AVP these will normally be a media payload type as defined in the RTP Audio/Video Profile.

Declaration
public SDPMessageMediaFormat MessageMediaFormat
Field Value
Type Description
SDPMessageMediaFormat
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MLineIndex

Declaration
public int MLineIndex
Field Value
Type Description
System.Int32
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Port

Declaration
public int Port
Field Value
Type Description
System.Int32
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SctpMap

The "sctpmap" attribute defined in https://tools.ietf.org/html/draft-ietf-mmusic-sctp-sdp-26 for use in WebRTC data channels.

Declaration
public string SctpMap
Field Value
Type Description
System.String
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SctpPort

The "sctp-port" attribute defined in https://tools.ietf.org/html/draft-ietf-mmusic-sctp-sdp-26 for use in WebRTC data channels.

Declaration
public ushort? SctpPort
Field Value
Type Description
System.Nullable<System.UInt16>
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SecurityDescriptions

Declaration
public List<SDPSecurityDescription> SecurityDescriptions
Field Value
Type Description
System.Collections.Generic.List<SDPSecurityDescription>
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SsrcAttributes

If the RFC5576 is being used this is the list of "ssrc" attributes supplied.

Declaration
public List<SDPSsrcAttribute> SsrcAttributes
Field Value
Type Description
System.Collections.Generic.List<SDPSsrcAttribute>
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SsrcGroupID

The "ssrc" attributes group ID as specified in RFC5576.

Declaration
public string SsrcGroupID
Field Value
Type Description
System.String
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TIAS_BANDWIDTH_ATTRIBUE_PREFIX

Declaration
public const string TIAS_BANDWIDTH_ATTRIBUE_PREFIX = "b=TIAS:"
Field Value
Type Description
System.String
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TIASBandwidth

Optional Transport Independent Application Specific Maximum (TIAS) bandwidth.

Declaration
public uint TIASBandwidth
Field Value
Type Description
System.UInt32
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Transport

Declaration
public string Transport
Field Value
Type Description
System.String

Properties

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MediaStreamStatus

The stream status of this media announcement.

Declaration
public MediaStreamStatusEnum? MediaStreamStatus { get; set; }
Property Value
Type Description
System.Nullable<MediaStreamStatusEnum>

Methods

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AddCryptoLine(String)

Declaration
public void AddCryptoLine(string crypto)
Parameters
Type Name Description
System.String crypto
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AddExtra(String)

Declaration
public void AddExtra(string attribute)
Parameters
Type Name Description
System.String attribute
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GetCryptoLine(SDPSecurityDescription.CryptoSuites)

Declaration
public SDPSecurityDescription GetCryptoLine(SDPSecurityDescription.CryptoSuites cryptoSuite)
Parameters
Type Name Description
SDPSecurityDescription.CryptoSuites cryptoSuite
Returns
Type Description
SDPSecurityDescription
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GetFormatListAttributesToString()

Declaration
public string GetFormatListAttributesToString()
Returns
Type Description
System.String
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GetFormatListToString()

Declaration
public string GetFormatListToString()
Returns
Type Description
System.String
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GetTelephoneEventFormatID()

Attempts to locate a media format corresponding to telephone events. If available its format ID is returned.

Declaration
public int GetTelephoneEventFormatID()
Returns
Type Description
System.Int32

If found the format ID for telephone events or -1 if not.
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HasCryptoLine(SDPSecurityDescription.CryptoSuites)

Declaration
public bool HasCryptoLine(SDPSecurityDescription.CryptoSuites cryptoSuite)
Parameters
Type Name Description
SDPSecurityDescription.CryptoSuites cryptoSuite
Returns
Type Description
System.Boolean
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ParseMediaFormats(String)

Declaration
public void ParseMediaFormats(string formatList)
Parameters
Type Name Description
System.String formatList
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ToString()

Declaration
public override string ToString()
Returns
Type Description
System.String
Overrides
System.Object.ToString()

Extension Methods