The different cache types The envelope key MUST NOT be cached The envelope key MUST be cached The envelope key MUST be cached, but only to be used for the specific CSB. The encryption algorithm used to encrypt the Encr data field no encryption AES-CM using a 128-bit key AES Key Wrap using a 128-bit key AES-GCM using a 128-bit key (Since: 1.16) The key validity type No specific usage rule The key is associated with the SPI/MKI The key has a start and expiration time The type of key. a TEK Generation Key Traffic-Encrypting Key Specifies the authentication algorithm used no authentication HMAC-SHA-1-160 The Security policy Map item for SRTP The security policy applied for the stream with @ssrc the SSRC that must be used for the stream current rollover counter Specifies the method of uniquely mapping Crypto Sessions to the security protocol sessions. SRTP Structure holding the information of the MIKEY message the version the #GstMIKEYType message type verify flag a #GstMIKEYPRFFunc Identifies the Crypto Session Bundle a #GstMIKEYMapType map info array of type depending on @map_type the payload array of #GstMIKEYPayload Make a new MIKEY message. a new #GstMIKEYMessage on success Make a new #GstMIKEYMessage from @bytes. a new #GstMIKEYMessage a #GBytes a #GstMIKEYDecryptInfo Makes mikey message including: - Security Policy Payload - Key Data Transport Payload - Key Data Sub-Payload a #GstMIKEYMessage, or %NULL if there is no srtp information in the caps. a #GstCaps, including SRTP parameters (srtp/srtcp cipher, authorization, key data) Parse @size bytes from @data into a #GstMIKEYMessage. @info contains the parameters to decrypt and verify the data. a #GstMIKEYMessage on success or %NULL when parsing failed and @error will be set. bytes to read length of @data #GstMIKEYDecryptInfo Add a Crypto policy for SRTP to @msg. %TRUE on success a #GstMIKEYMessage The security policy applied for the stream with @ssrc the SSRC that must be used for the stream current rollover counter Add a new payload to @msg. %TRUE on success a #GstMIKEYMessage a #GstMIKEYPayload Add a new PKE payload to @msg with the given parameters. %TRUE on success a #GstMIKEYMessage envelope key cache indicator the length of @data the encrypted envelope key Add a new RAND payload to @msg with the given parameters. %TRUE on success a #GstMIKEYMessage the length of @rand random data Add a new RAND payload to @msg with @len random bytes. %TRUE on success a #GstMIKEYMessage length Add a new T payload to @msg with the given parameters. %TRUE on success a #GstMIKEYMessage specifies the timestamp type used The timestamp value of the specified @type Add a new T payload to @msg that contains the current time in NTP-UTC format. %TRUE on success a #GstMIKEYMessage a #gchar, base64-encoded data a #GstMIKEYMessage Find the @nth occurrence of the payload with @type in @msg. the @nth #GstMIKEYPayload of @type. a #GstMIKEYMessage a #GstMIKEYPayloadType payload to find Get the policy information of @msg at @idx. a #GstMIKEYMapSRTP a #GstMIKEYMessage an index Get the number of crypto sessions in @msg. the number of crypto sessions a #GstMIKEYMessage Get the number of payloads in @msg. the number of payloads in @msg a #GstMIKEYMessage Get the #GstMIKEYPayload at @idx in @msg the #GstMIKEYPayload at @idx. The payload remains valid for as long as it is part of @msg. a #GstMIKEYMessage an index Insert a Crypto Session map for SRTP in @msg at @idx When @idx is -1, the policy will be appended. %TRUE on success a #GstMIKEYMessage the index to insert at the map info Insert the @payload at index @idx in @msg. If @idx is -1, the payload will be appended to @msg. %TRUE on success a #GstMIKEYMessage an index a #GstMIKEYPayload Remove the SRTP policy at @idx. %TRUE on success a #GstMIKEYMessage the index to remove Remove the payload in @msg at @idx %TRUE on success a #GstMIKEYMessage an index Replace a Crypto Session map for SRTP in @msg at @idx with @map. %TRUE on success a #GstMIKEYMessage the index to insert at the map info Replace the payload at @idx in @msg with @payload. %TRUE on success a #GstMIKEYMessage an index a #GstMIKEYPayload Set the information in @msg. %TRUE on success a #GstMIKEYMessage a version a #GstMIKEYType verify flag the #GstMIKEYPRFFunc function to use the Crypto Session Bundle id the #GstMIKEYMapType Convert @msg to a #GBytes. a new #GBytes for @msg. a #GstMIKEYMessage a #GstMIKEYEncryptInfo %TRUE on success a #GstMIKEYMessage a #GstCaps to be filled with SRTP parameters (srtp/srtcp cipher, authorization, key data) The PRF function that has been/will be used for key derivation MIKEY-1 PRF function Hold the common fields for all payloads the payload type length of the payload Make a new #GstMIKEYPayload with @type. a new #GstMIKEYPayload or %NULL on failure. a #GstMIKEYPayloadType Add a new sub payload to @payload. %TRUE on success. a #GstMIKEYPayload a #GstMIKEYPayload to add Get the number of sub payloads of @payload. @payload should be of type %GST_MIKEY_PT_KEMAC. the number of sub payloads in @payload a #GstMIKEYPayload Get the sub payload of @payload at @idx. @payload should be of type %GST_MIKEY_PT_KEMAC. the #GstMIKEYPayload at @idx. a #GstMIKEYPayload an index Remove the sub payload at @idx in @payload. %TRUE on success. a #GstMIKEYPayload the index to remove Set the KEMAC parameters. @payload should point to a %GST_MIKEY_PT_KEMAC payload. %TRUE on success a #GstMIKEYPayload the #GstMIKEYEncAlg a #GstMIKEYMacAlg Set the key validity period in the %GST_MIKEY_PT_KEY_DATA @payload. %TRUE on success a #GstMIKEYPayload the length of @vf_data the Valid From data the length of @vt_data the Valid To data Set @key_len bytes of @key_data of type @key_type as the key for the %GST_MIKEY_PT_KEY_DATA @payload. %TRUE on success a #GstMIKEYPayload a #GstMIKEYKeyDataType the length of @key_data the key of type @key_type Set the salt key data. If @salt_len is 0 and @salt_data is %NULL, the salt data will be removed. %TRUE on success a #GstMIKEYPayload the length of @salt_data the salt Set the SPI/MKI validity in the %GST_MIKEY_PT_KEY_DATA @payload. %TRUE on success a #GstMIKEYPayload the length of @spi_data the SPI/MKI data Set the PKE values in @payload. @payload must be of type %GST_MIKEY_PT_PKE. %TRUE on success a #GstMIKEYPayload envelope key cache indicator the length of @data the encrypted envelope key Set the random values in a %GST_MIKEY_PT_RAND @payload. %TRUE on success a #GstMIKEYPayload the length of @rand random values Add a new parameter to the %GST_MIKEY_PT_SP @payload with @type, @len and @val. %TRUE on success a #GstMIKEYPayload a type a length @len bytes of data Get the number of security policy parameters in a %GST_MIKEY_PT_SP @payload. the number of parameters in @payload a #GstMIKEYPayload Get the Security Policy parameter in a %GST_MIKEY_PT_SP @payload at @idx. the #GstMIKEYPayloadSPParam at @idx in @payload a #GstMIKEYPayload an index Remove the Security Policy parameters from a %GST_MIKEY_PT_SP @payload at @idx. %TRUE on success a #GstMIKEYPayload an index Set the Security Policy parameters for @payload. %TRUE on success a #GstMIKEYPayload the policy number a #GstMIKEYSecProto Set the timestamp in a %GST_MIKEY_PT_T @payload. %TRUE on success a #GstMIKEYPayload the #GstMIKEYTSType the timestamp value A structure holding the KEMAC payload the common #GstMIKEYPayload the #GstMIKEYEncAlg the #GstMIKEYMacAlg the subpayloads The Key data payload contains key material. It should be added as sub payload to the KEMAC. the payload header the #GstMIKEYKeyDataType of @key_data length of @key_data the key data the length of @salt_data, can be 0 salt data the Key Validity type length of @kv_data key validity data The Envelope data payload contains the encrypted envelope key that is used in the public-key transport to protect the data in the Key data transport payload. The encryption algorithm used is implicit from the certificate/public key used. the common #GstMIKEYPayload envelope key cache indicator length of @data the encrypted envelope key The RAND payload consists of a (pseudo-)random bit-string the payload header the length of @rand random values The Security Policy payload defines a set of policies that apply to a specific security protocol the payload header the policy number the security protocol array of #GstMIKEYPayloadSPParam A Type/Length/Value field for security parameters specifies the type of the parameter specifies the length of @val specifies the value of the parameter The timestamp payload carries the timestamp information the payload header a #GstMIKEYTSType the timestamp value Different MIKEY Payload types. Last payload Key data transport payload Envelope data payload DH data payload Signature payload Timestamp payload ID payload Certificate Payload Cert hash payload Verification message payload Security Policy payload RAND payload Error payload Key data sub-payload General Extension Payload Specifies the security protocol SRTP This policy specifies the parameters for SRTP and SRTCP Encryption algorithm Session Encr. key length Authentication algorithm Session Auth. key length Session Salt key length SRTP Pseudo Random Function Key derivation rate SRTP encryption off/on, 0 if off, 1 if on SRTCP encryption off/on, 0 if off, 1 if on sender's FEC order SRTP authentication off/on, 0 if off, 1 if on Authentication tag length SRTP prefix length AEAD authentication tag length (Since: 1.16) Specifies the timestamp type. an NTP time in UTC timezone an NTP time a counter Different MIKEY data types. Invalid type Initiator's pre-shared key message Verification message of a Pre-shared key message Initiator's public-key transport message Verification message of a public-key message Initiator's DH exchange message Responder's DH exchange message Error message The supported MIKEY version 1. The contents of the SDP "a=" field which contains a key/value pair. the attribute key the attribute value or NULL when it was a property attribute Clear the attribute. @GST_SDP_OK. a #GstSDPAttribute Set the attribute with @key and @value. @GST_SDP_OK. a #GstSDPAttribute the key the value The contents of the SDP "b=" field which specifies the proposed bandwidth to be used by the session or media. the bandwidth modifier type the bandwidth in kilobits per second Reset the bandwidth information in @bw. a #GstSDPResult. a #GstSDPBandwidth Set bandwidth information in @bw. a #GstSDPResult. a #GstSDPBandwidth the bandwidth modifier type the bandwidth in kilobits per second The contents of the SDP "c=" field which contains connection data. the type of network. "IN" is defined to have the meaning "Internet". the type of @address. the address the time to live of the address the number of layers Clear the connection. @GST_SDP_OK. a #GstSDPConnection Set the connection with the given parameters. @GST_SDP_OK. a #GstSDPConnection the type of network. "IN" is defined to have the meaning "Internet". the type of address. the address the time to live of the address the number of layers The contents of the SDP "k=" field which is used to convey encryption keys. the encryption type the encryption data The contents of the SDP "m=" field with all related fields. the media type the transport port to which the media stream will be sent the number of ports or -1 if only one port was specified the transport protocol an array of #gchar formats the media title array of #GstSDPConnection with media connection information array of #GstSDPBandwidth with media bandwidth information the encryption key array of #GstSDPAttribute with the additional media attributes Add the attribute with @key and @value to @media. #GST_SDP_OK. a #GstSDPMedia a key a value Add the bandwidth information with @bwtype and @bandwidth to @media. #GST_SDP_OK. a #GstSDPMedia the bandwidth modifier type the bandwidth in kilobits per second Add the given connection parameters to @media. a #GstSDPResult. a #GstSDPMedia the type of network. "IN" is defined to have the meaning "Internet". the type of address. the address the time to live of the address the number of layers Add the format information to @media. #GST_SDP_OK. a #GstSDPMedia the format Convert the contents of @media to a text string. A dynamically allocated string representing the media. a #GstSDPMedia Get the number of attribute fields in @media. the number of attributes in @media. a #GstSDPMedia Mapping of attributes of #GstSDPMedia to #GstCaps a #GstSDPResult. a #GstSDPMedia a #GstCaps Get the number of bandwidth fields in @media. the number of bandwidths in @media. a #GstSDPMedia Get the number of connection fields in @media. the number of connections in @media. a #GstSDPMedia Allocate a new copy of @media and store the result in @copy. The value in @copy should be release with gst_sdp_media_free function. a #GstSDPResult a #GstSDPMedia pointer to new #GstSDPMedia Get the number of formats in @media. the number of formats in @media. a #GstSDPMedia Free all resources allocated by @media. @media should not be used anymore after this function. This function should be used when @media was dynamically allocated with gst_sdp_media_new(). a #GstSDPResult. a #GstSDPMedia Get the attribute at position @idx in @media. the #GstSDPAttribute at position @idx. a #GstSDPMedia an index Get the first attribute value for @key in @media. the first attribute value for @key. a #GstSDPMedia a key Get the @nth attribute value for @key in @media. the @nth attribute value. a #GstSDPMedia a key an index Get the bandwidth at position @idx in @media. the #GstSDPBandwidth at position @idx. a #GstSDPMedia an index Mapping of caps from SDP fields: a=rtpmap:(payload) (encoding_name)/(clock_rate)[/(encoding_params)] a=framesize:(payload) (width)-(height) a=fmtp:(payload) (param)[=(value)];... Note that the extmap, ssrc and rid attributes are set only by gst_sdp_media_attributes_to_caps(). a #GstCaps, or %NULL if an error happened a #GstSDPMedia a payload type Get the connection at position @idx in @media. the #GstSDPConnection at position @idx. a #GstSDPMedia an index Get the format information at position @idx in @media. the format at position @idx. a #GstSDPMedia an index Get the information of @media the information of @media. a #GstSDPMedia Get the encryption information from @media. a #GstSDPKey. a #GstSDPMedia Get the media description of @media. the media description. a #GstSDPMedia Get the number of ports for @media. the number of ports for @media. a #GstSDPMedia Get the port number for @media. the port number of @media. a #GstSDPMedia Get the transport protocol of @media the transport protocol of @media. a #GstSDPMedia Insert the attribute to @media at @idx. When @idx is -1, the attribute is appended. #GST_SDP_OK. a #GstSDPMedia an index a #GstSDPAttribute Insert the bandwidth information to @media at @idx. When @idx is -1, the bandwidth is appended. #GST_SDP_OK. a #GstSDPMedia an index a #GstSDPBandwidth Insert the connection information to @media at @idx. When @idx is -1, the connection is appended. #GST_SDP_OK. a #GstSDPMedia an index a #GstSDPConnection Insert the format information to @media at @idx. When @idx is -1, the format is appended. #GST_SDP_OK. a #GstSDPMedia an index the format Creates a new #GstMIKEYMessage after parsing the key-mgmt attribute from a #GstSDPMedia. a #GstSDPResult. a #GstSDPMedia pointer to new #GstMIKEYMessage Remove the attribute in @media at @idx. #GST_SDP_OK. a #GstSDPMedia an index Remove the bandwidth information in @media at @idx. #GST_SDP_OK. a #GstSDPMedia an index Remove the connection information in @media at @idx. #GST_SDP_OK. a #GstSDPMedia an index Remove the format information in @media at @idx. #GST_SDP_OK. a #GstSDPMedia an index Replace the attribute in @media at @idx with @attr. #GST_SDP_OK. a #GstSDPMedia an index a #GstSDPAttribute Replace the bandwidth information in @media at @idx with @bw. #GST_SDP_OK. a #GstSDPMedia an index a #GstSDPBandwidth Replace the connection information in @media at @idx with @conn. #GST_SDP_OK. a #GstSDPMedia an index a #GstSDPConnection Replace the format information in @media at @idx with @format. #GST_SDP_OK. a #GstSDPMedia an index the format Set the media information of @media to @information. #GST_SDP_OK. a #GstSDPMedia the media information Adds the encryption information to @media. a #GstSDPResult. a #GstSDPMedia the encryption type the encryption data Set the media description of @media to @med. #GST_SDP_OK. a #GstSDPMedia the media description Set the port information in @media. #GST_SDP_OK. a #GstSDPMedia the port number the number of ports Set the media transport protocol of @media to @proto. #GST_SDP_OK. a #GstSDPMedia the media transport protocol Free all resources allocated in @media. @media should not be used anymore after this function. This function should be used when @media was allocated on the stack and initialized with gst_sdp_media_init(). a #GstSDPResult. a #GstSDPMedia Initialize @media so that its contents are as if it was freshly allocated with gst_sdp_media_new(). This function is mostly used to initialize a media allocated on the stack. gst_sdp_media_uninit() undoes this operation. When this function is invoked on newly allocated data (with malloc or on the stack), its contents should be set to 0 before calling this function. a #GstSDPResult. a #GstSDPMedia Allocate a new GstSDPMedia and store the result in @media. a #GstSDPResult. pointer to new #GstSDPMedia Mapping of caps to SDP fields: a=rtpmap:(payload) (encoding_name) or (clock_rate)[or (encoding_params)] a=framesize:(payload) (width)-(height) a=fmtp:(payload) (param)[=(value)];... a=rtcp-fb:(payload) (param1) [param2]... a=extmap:(id)[/direction] (extensionname) (extensionattributes) a #GstSDPResult. a #GstCaps a #GstSDPMedia The GstSDPMessage helper functions makes it easy to parse and create SDP messages. the protocol version owner/creator and session identifier session name session information URI of description array of #gchar with email addresses array of #gchar with phone numbers connection information for the session array of #GstSDPBandwidth with bandwidth information array of #GstSDPTime with time descriptions array of #GstSDPZone with time zone adjustments encryption key array of #GstSDPAttribute with session attributes array of #GstSDPMedia with media descriptions Add the attribute with @key and @value to @msg. @GST_SDP_OK. a #GstSDPMessage the key the value Add the specified bandwidth information to @msg. a #GstSDPResult. a #GstSDPMessage the bandwidth modifier type the bandwidth in kilobits per second Add @email to the list of emails in @msg. a #GstSDPResult. a #GstSDPMessage an email Adds @media to the array of medias in @msg. This function takes ownership of the contents of @media so that @media will have to be reinitialized with gst_sdp_media_init() before it can be used again. a #GstSDPResult. a #GstSDPMessage a #GstSDPMedia to add Add @phone to the list of phones in @msg. a #GstSDPResult. a #GstSDPMessage a phone Add time information @start and @stop to @msg. a #GstSDPResult. a #GstSDPMessage the start time the stop time the repeat times Add time zone information to @msg. a #GstSDPResult. a #GstSDPMessage the NTP time that a time zone adjustment happens the offset from the time when the session was first scheduled Convert the contents of @msg to a text string. A dynamically allocated string representing the SDP description. a #GstSDPMessage Get the number of attributes in @msg. the number of attributes in @msg. a #GstSDPMessage Mapping of attributes of #GstSDPMessage to #GstCaps a #GstSDPResult. a #GstSDPMessage a #GstCaps Get the number of bandwidth information in @msg. the number of bandwidth information in @msg. a #GstSDPMessage Allocate a new copy of @msg and store the result in @copy. The value in @copy should be release with gst_sdp_message_free function. a #GstSDPResult a #GstSDPMessage pointer to new #GstSDPMessage Dump the parsed contents of @msg to stdout. a #GstSDPResult. a #GstSDPMessage Get the number of emails in @msg. the number of emails in @msg. a #GstSDPMessage Free all resources allocated by @msg. @msg should not be used anymore after this function. This function should be used when @msg was dynamically allocated with gst_sdp_message_new(). a #GstSDPResult. a #GstSDPMessage Get the attribute at position @idx in @msg. the #GstSDPAttribute at position @idx. a #GstSDPMessage the index Get the first attribute with key @key in @msg. the attribute value of the first attribute with @key. a #GstSDPMessage the key Get the @nth attribute with key @key in @msg. the attribute value of the @nth attribute with @key. a #GstSDPMessage the key the index Get the bandwidth at index @idx from @msg. a #GstSDPBandwidth. a #GstSDPMessage the bandwidth index Get the connection of @msg. a #GstSDPConnection. The result remains valid as long as @msg is valid. a #GstSDPMessage Get the email with number @idx from @msg. the email at position @idx. a #GstSDPMessage an email index Get the information in @msg. a #GstSDPResult. a #GstSDPMessage Get the encryption information from @msg. a #GstSDPKey. a #GstSDPMessage Get the media description at index @idx in @msg. a #GstSDPMedia. a #GstSDPMessage the index Get the origin of @msg. a #GstSDPOrigin. The result remains valid as long as @msg is valid. a #GstSDPMessage Get the phone with number @idx from @msg. the phone at position @idx. a #GstSDPMessage a phone index Get the session name in @msg. a #GstSDPResult. a #GstSDPMessage Get time information with index @idx from @msg. a #GstSDPTime. a #GstSDPMessage the time index Get the URI in @msg. a #GstSDPResult. a #GstSDPMessage Get the version in @msg. a #GstSDPResult. a #GstSDPMessage Get time zone information with index @idx from @msg. a #GstSDPZone. a #GstSDPMessage the zone index Insert attribute into the array of attributes in @msg at index @idx. When -1 is given as @idx, the attribute is inserted at the end. a #GstSDPResult. a #GstSDPMessage an index a #GstSDPAttribute Insert bandwidth parameters into the array of bandwidths in @msg at index @idx. When -1 is given as @idx, the bandwidth is inserted at the end. a #GstSDPResult. a #GstSDPMessage an index the bandwidth Insert @email into the array of emails in @msg at index @idx. When -1 is given as @idx, the email is inserted at the end. a #GstSDPResult. a #GstSDPMessage an index an email Insert @phone into the array of phone numbers in @msg at index @idx. When -1 is given as @idx, the phone is inserted at the end. a #GstSDPResult. a #GstSDPMessage a phone index a phone Insert time parameters into the array of times in @msg at index @idx. When -1 is given as @idx, the times are inserted at the end. a #GstSDPResult. a #GstSDPMessage an index a #GstSDPTime Insert zone parameters into the array of zones in @msg at index @idx. When -1 is given as @idx, the zone is inserted at the end. a #GstSDPResult. a #GstSDPMessage an index a #GstSDPZone Get the number of media descriptions in @msg. the number of media descriptions in @msg. a #GstSDPMessage Creates a new #GstMIKEYMessage after parsing the key-mgmt attribute from a #GstSDPMessage. a #GstSDPResult. a #GstSDPMessage pointer to new #GstMIKEYMessage Get the number of phones in @msg. the number of phones in @msg. a #GstSDPMessage Remove the attribute in @msg at index @idx. a #GstSDPResult. a #GstSDPMessage the index Remove the bandwidth information in @msg at index @idx. a #GstSDPResult. a #GstSDPMessage the bandwidth index Remove the email in @msg at index @idx. a #GstSDPResult. a #GstSDPMessage an email index Remove the media at @idx from the array of medias in @msg if found. #GST_SDP_OK when the specified media is found at @idx and removed, #GST_SDP_EINVAL otherwise. a #GstSDPMessage the media index Remove the phone number in @msg at index @idx. a #GstSDPResult. a #GstSDPMessage a phone index Remove the time information in @msg at index @idx. a #GstSDPResult. a #GstSDPMessage the index Remove the zone information in @msg at index @idx. a #GstSDPResult. a #GstSDPMessage the index Replace the attribute in @msg at index @idx with @attr. a #GstSDPResult. a #GstSDPMessage the index a #GstSDPAttribute Replace the bandwidth information in @msg at index @idx with @bw. a #GstSDPResult. a #GstSDPMessage the bandwidth index the bandwidth Replace the email in @msg at index @idx with @email. a #GstSDPResult. a #GstSDPMessage an email index an email Replace the phone number in @msg at index @idx with @phone. a #GstSDPResult. a #GstSDPMessage a phone index a phone Replace the time information in @msg at index @idx with @t. a #GstSDPResult. a #GstSDPMessage the index a #GstSDPTime Replace the zone information in @msg at index @idx with @zone. a #GstSDPResult. a #GstSDPMessage the index a #GstSDPZone Configure the SDP connection in @msg with the given parameters. a #GstSDPResult. a #GstSDPMessage the type of network. "IN" is defined to have the meaning "Internet". the type of address. the address the time to live of the address the number of layers Set the information in @msg. a #GstSDPResult. a #GstSDPMessage the information Adds the encryption information to @msg. a #GstSDPResult. a #GstSDPMessage the encryption type the encryption data Configure the SDP origin in @msg with the given parameters. #GST_SDP_OK. a #GstSDPMessage the user name a session id a session version a network type an address type an address Set the session name in @msg. a #GstSDPResult. a #GstSDPMessage the session name Set the URI in @msg. a #GstSDPResult. a #GstSDPMessage the URI Set the version in @msg. a #GstSDPResult. a #GstSDPMessage the version Get the number of time information entries in @msg. the number of time information entries in @msg. a #GstSDPMessage Free all resources allocated in @msg. @msg should not be used anymore after this function. This function should be used when @msg was allocated on the stack and initialized with gst_sdp_message_init(). a #GstSDPResult. a #GstSDPMessage Get the number of time zone information entries in @msg. the number of time zone information entries in @msg. a #GstSDPMessage Creates a uri from @msg with the given @scheme. The uri has the format: \@scheme:///[#type=value *[&type=value]] Where each value is url encoded. a uri for @msg. the uri scheme the #GstSDPMessage Initialize @msg so that its contents are as if it was freshly allocated with gst_sdp_message_new(). This function is mostly used to initialize a message allocated on the stack. gst_sdp_message_uninit() undoes this operation. When this function is invoked on newly allocated data (with malloc or on the stack), its contents should be set to 0 before calling this function. a #GstSDPResult. a #GstSDPMessage Allocate a new GstSDPMessage and store the result in @msg. a #GstSDPResult. pointer to new #GstSDPMessage Parse @text and create a new SDPMessage from these. a #GstSDPResult. A dynamically allocated string representing the SDP description pointer to new #GstSDPMessage Parse the contents of @size bytes pointed to by @data and store the result in @msg. #GST_SDP_OK on success. the start of the buffer the size of the buffer the result #GstSDPMessage Parse the null-terminated @uri and store the result in @msg. The uri should be of the form: scheme://[address[:ttl=ttl][:noa=noa]]/[sessionname] [#type=value *[&type=value]] where value is url encoded. This looslely resembles http://tools.ietf.org/html/draft-fujikawa-sdp-url-01 #GST_SDP_OK on success. the start of the uri the result #GstSDPMessage The contents of the SDP "o=" field which gives the originator of the session (their username and the address of the user's host) plus a session id and session version number. the user's login on the originating host, or it is "-" if the originating host does not support the concept of user ids. is a numeric string such that the tuple of @username, @sess_id, @nettype, @addrtype and @addr form a globally unique identifier for the session. a version number for this announcement the type of network. "IN" is defined to have the meaning "Internet". the type of @addr. the globally unique address of the machine from which the session was created. Return values for the SDP functions. A successful return value a function was given invalid parameters The contents of the SDP "t=" field which specify the start and stop times for a conference session. start time for the conference. The value is the decimal representation of Network Time Protocol (NTP) time values in seconds stop time for the conference. The value is the decimal representation of Network Time Protocol (NTP) time values in seconds repeat times for a session Reset the time information in @t. a #GstSDPResult. a #GstSDPTime Set time information @start, @stop and @repeat in @t. a #GstSDPResult. a #GstSDPTime the start time the stop time the repeat times The contents of the SDP "z=" field which allows the sender to specify a list of time zone adjustments and offsets from the base time. the NTP time that a time zone adjustment happens the offset from the time when the session was first scheduled Reset the zone information in @zone. a #GstSDPResult. a #GstSDPZone Set zone information in @zone. a #GstSDPResult. a #GstSDPZone the NTP time that a time zone adjustment happens the offset from the time when the session was first scheduled The Application-Specific Maximum bandwidth modifier. The Conference Total bandwidth modifier. The extension prefix bandwidth modifier. RTCP bandwidth allocated to data receivers (RFC 3556). RTCP bandwidth allocated to active data senders (RFC 3556). Transport Independent Application Specific Maximum bandwidth (RFC 3890). The GstMIKEY helper functions makes it easy to parse and create MIKEY messages. Check if the given @addr is a multicast address. TRUE when @addr is multicast. a network type an address type an address Makes key management data a #gchar key-mgmt data, a #gchar URI a #gchar base64-encoded key data Initialize @media so that its contents are as if it was freshly allocated with gst_sdp_media_new(). This function is mostly used to initialize a media allocated on the stack. gst_sdp_media_uninit() undoes this operation. When this function is invoked on newly allocated data (with malloc or on the stack), its contents should be set to 0 before calling this function. a #GstSDPResult. a #GstSDPMedia Allocate a new GstSDPMedia and store the result in @media. a #GstSDPResult. pointer to new #GstSDPMedia Mapping of caps to SDP fields: a=rtpmap:(payload) (encoding_name) or (clock_rate)[or (encoding_params)] a=framesize:(payload) (width)-(height) a=fmtp:(payload) (param)[=(value)];... a=rtcp-fb:(payload) (param1) [param2]... a=extmap:(id)[/direction] (extensionname) (extensionattributes) a #GstSDPResult. a #GstCaps a #GstSDPMedia Creates a uri from @msg with the given @scheme. The uri has the format: \@scheme:///[#type=value *[&type=value]] Where each value is url encoded. a uri for @msg. the uri scheme the #GstSDPMessage Initialize @msg so that its contents are as if it was freshly allocated with gst_sdp_message_new(). This function is mostly used to initialize a message allocated on the stack. gst_sdp_message_uninit() undoes this operation. When this function is invoked on newly allocated data (with malloc or on the stack), its contents should be set to 0 before calling this function. a #GstSDPResult. a #GstSDPMessage Allocate a new GstSDPMessage and store the result in @msg. a #GstSDPResult. pointer to new #GstSDPMessage Parse @text and create a new SDPMessage from these. a #GstSDPResult. A dynamically allocated string representing the SDP description pointer to new #GstSDPMessage Parse the contents of @size bytes pointed to by @data and store the result in @msg. #GST_SDP_OK on success. the start of the buffer the size of the buffer the result #GstSDPMessage Parse the null-terminated @uri and store the result in @msg. The uri should be of the form: scheme://[address[:ttl=ttl][:noa=noa]]/[sessionname] [#type=value *[&type=value]] where value is url encoded. This looslely resembles http://tools.ietf.org/html/draft-fujikawa-sdp-url-01 #GST_SDP_OK on success. the start of the uri the result #GstSDPMessage