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GstSDPMessage

GstSDPMessage — Helper methods for dealing with SDP messages

Functions

GstSDPResult gst_sdp_connection_set ()
GstSDPResult gst_sdp_connection_clear ()
GstSDPResult gst_sdp_bandwidth_set ()
GstSDPResult gst_sdp_bandwidth_clear ()
GstSDPResult gst_sdp_media_parse_keymgmt ()
GstSDPResult gst_sdp_message_parse_keymgmt ()
GstSDPResult gst_sdp_time_set ()
GstSDPResult gst_sdp_time_clear ()
GstSDPResult gst_sdp_zone_set ()
GstSDPResult gst_sdp_zone_clear ()
GstSDPResult gst_sdp_attribute_set ()
GstSDPResult gst_sdp_attribute_clear ()
GstSDPResult gst_sdp_message_new ()
GstSDPResult gst_sdp_message_copy ()
GstSDPResult gst_sdp_message_init ()
GstSDPResult gst_sdp_message_uninit ()
GstSDPResult gst_sdp_message_free ()
GstSDPResult gst_sdp_message_parse_buffer ()
gchar * gst_sdp_message_as_text ()
GstSDPResult gst_sdp_message_parse_uri ()
gchar * gst_sdp_message_as_uri ()
gboolean gst_sdp_address_is_multicast ()
const gchar * gst_sdp_message_get_version ()
GstSDPResult gst_sdp_message_set_version ()
const GstSDPOrigin * gst_sdp_message_get_origin ()
GstSDPResult gst_sdp_message_set_origin ()
const gchar * gst_sdp_message_get_session_name ()
GstSDPResult gst_sdp_message_set_session_name ()
const gchar * gst_sdp_message_get_information ()
GstSDPResult gst_sdp_message_set_information ()
const gchar * gst_sdp_message_get_uri ()
GstSDPResult gst_sdp_message_set_uri ()
guint gst_sdp_message_emails_len ()
const gchar * gst_sdp_message_get_email ()
GstSDPResult gst_sdp_message_insert_email ()
GstSDPResult gst_sdp_message_replace_email ()
GstSDPResult gst_sdp_message_remove_email ()
GstSDPResult gst_sdp_message_add_email ()
guint gst_sdp_message_phones_len ()
const gchar * gst_sdp_message_get_phone ()
GstSDPResult gst_sdp_message_insert_phone ()
GstSDPResult gst_sdp_message_replace_phone ()
GstSDPResult gst_sdp_message_remove_phone ()
GstSDPResult gst_sdp_message_add_phone ()
const GstSDPConnection * gst_sdp_message_get_connection ()
GstSDPResult gst_sdp_message_set_connection ()
guint gst_sdp_message_bandwidths_len ()
const GstSDPBandwidth * gst_sdp_message_get_bandwidth ()
GstSDPResult gst_sdp_message_insert_bandwidth ()
GstSDPResult gst_sdp_message_replace_bandwidth ()
GstSDPResult gst_sdp_message_remove_bandwidth ()
GstSDPResult gst_sdp_message_add_bandwidth ()
guint gst_sdp_message_times_len ()
const GstSDPTime * gst_sdp_message_get_time ()
GstSDPResult gst_sdp_message_insert_time ()
GstSDPResult gst_sdp_message_replace_time ()
GstSDPResult gst_sdp_message_remove_time ()
GstSDPResult gst_sdp_message_add_time ()
guint gst_sdp_message_zones_len ()
const GstSDPZone * gst_sdp_message_get_zone ()
GstSDPResult gst_sdp_message_insert_zone ()
GstSDPResult gst_sdp_message_replace_zone ()
GstSDPResult gst_sdp_message_remove_zone ()
GstSDPResult gst_sdp_message_add_zone ()
const GstSDPKey * gst_sdp_message_get_key ()
GstSDPResult gst_sdp_message_set_key ()
guint gst_sdp_message_attributes_len ()
const GstSDPAttribute * gst_sdp_message_get_attribute ()
const gchar * gst_sdp_message_get_attribute_val ()
const gchar * gst_sdp_message_get_attribute_val_n ()
GstSDPResult gst_sdp_message_insert_attribute ()
GstSDPResult gst_sdp_message_replace_attribute ()
GstSDPResult gst_sdp_message_remove_attribute ()
GstSDPResult gst_sdp_message_add_attribute ()
guint gst_sdp_message_medias_len ()
const GstSDPMedia * gst_sdp_message_get_media ()
GstSDPResult gst_sdp_message_add_media ()
GstSDPResult gst_sdp_message_dump ()
GstSDPResult gst_sdp_media_new ()
GstSDPResult gst_sdp_media_copy ()
GstSDPResult gst_sdp_media_init ()
GstSDPResult gst_sdp_media_uninit ()
GstSDPResult gst_sdp_media_free ()
gchar * gst_sdp_media_as_text ()
const gchar * gst_sdp_media_get_media ()
GstSDPResult gst_sdp_media_set_media ()
guint gst_sdp_media_get_port ()
guint gst_sdp_media_get_num_ports ()
GstSDPResult gst_sdp_media_set_port_info ()
const gchar * gst_sdp_media_get_proto ()
GstSDPResult gst_sdp_media_set_proto ()
guint gst_sdp_media_formats_len ()
const gchar * gst_sdp_media_get_format ()
GstSDPResult gst_sdp_media_insert_format ()
GstSDPResult gst_sdp_media_replace_format ()
GstSDPResult gst_sdp_media_remove_format ()
GstSDPResult gst_sdp_media_add_format ()
const gchar * gst_sdp_media_get_information ()
GstSDPResult gst_sdp_media_set_information ()
guint gst_sdp_media_connections_len ()
const GstSDPConnection * gst_sdp_media_get_connection ()
GstSDPResult gst_sdp_media_insert_connection ()
GstSDPResult gst_sdp_media_replace_connection ()
GstSDPResult gst_sdp_media_remove_connection ()
GstSDPResult gst_sdp_media_add_connection ()
guint gst_sdp_media_bandwidths_len ()
const GstSDPBandwidth * gst_sdp_media_get_bandwidth ()
GstSDPResult gst_sdp_media_insert_bandwidth ()
GstSDPResult gst_sdp_media_replace_bandwidth ()
GstSDPResult gst_sdp_media_remove_bandwidth ()
GstSDPResult gst_sdp_media_add_bandwidth ()
const GstSDPKey * gst_sdp_media_get_key ()
GstSDPResult gst_sdp_media_set_key ()
guint gst_sdp_media_attributes_len ()
const GstSDPAttribute * gst_sdp_media_get_attribute ()
const gchar * gst_sdp_media_get_attribute_val ()
const gchar * gst_sdp_media_get_attribute_val_n ()
GstSDPResult gst_sdp_media_insert_attribute ()
GstSDPResult gst_sdp_media_replace_attribute ()
GstSDPResult gst_sdp_media_remove_attribute ()
GstSDPResult gst_sdp_media_add_attribute ()
GstCaps * gst_sdp_media_get_caps_from_media ()
GstSDPResult gst_sdp_media_set_media_from_caps ()
gchar * gst_sdp_make_keymgmt ()
GstSDPResult gst_sdp_message_attributes_to_caps ()
GstSDPResult gst_sdp_media_attributes_to_caps ()

Includes

#include <gst/sdp/gstsdpmessage.h>

Description

The GstSDPMessage helper functions makes it easy to parse and create SDP messages.

Functions

gst_sdp_connection_set ()

GstSDPResult
gst_sdp_connection_set (GstSDPConnection *conn,
                        const gchar *nettype,
                        const gchar *addrtype,
                        const gchar *address,
                        guint ttl,
                        guint addr_number);

Set the connection with the given parameters.

Parameters

conn

a GstSDPConnection

 

nettype

the type of network. "IN" is defined to have the meaning "Internet".

 

addrtype

the type of address.

 

address

the address

 

ttl

the time to live of the address

 

addr_number

the number of layers

 

Returns

GST_SDP_OK .

Since: 1.2


gst_sdp_connection_clear ()

GstSDPResult
gst_sdp_connection_clear (GstSDPConnection *conn);

Clear the connection.

Parameters

conn

a GstSDPConnection

 

Returns

GST_SDP_OK .

Since: 1.2


gst_sdp_bandwidth_set ()

GstSDPResult
gst_sdp_bandwidth_set (GstSDPBandwidth *bw,
                       const gchar *bwtype,
                       guint bandwidth);

Set bandwidth information in bw .

Parameters

bw

a GstSDPBandwidth

 

bwtype

the bandwidth modifier type

 

bandwidth

the bandwidth in kilobits per second

 

Returns

a GstSDPResult.

Since: 1.2


gst_sdp_bandwidth_clear ()

GstSDPResult
gst_sdp_bandwidth_clear (GstSDPBandwidth *bw);

Reset the bandwidth information in bw .

Parameters

bw

a GstSDPBandwidth

 

Returns

a GstSDPResult.

Since: 1.2


gst_sdp_media_parse_keymgmt ()

GstSDPResult
gst_sdp_media_parse_keymgmt (const GstSDPMedia *media,
                             GstMIKEYMessage **mikey);

Creates a new GstMIKEYMessage after parsing the key-mgmt attribute from a GstSDPMedia.

Parameters

media

a GstSDPMedia

 

mikey

pointer to new GstMIKEYMessage.

[out][transfer full]

Returns

a GstSDPResult.

Since: 1.8.1


gst_sdp_message_parse_keymgmt ()

GstSDPResult
gst_sdp_message_parse_keymgmt (const GstSDPMessage *msg,
                               GstMIKEYMessage **mikey);

Creates a new GstMIKEYMessage after parsing the key-mgmt attribute from a GstSDPMessage.

Parameters

msg

a GstSDPMessage

 

mikey

pointer to new GstMIKEYMessage.

[out][transfer full]

Returns

a GstSDPResult.

Since: 1.8.1


gst_sdp_time_set ()

GstSDPResult
gst_sdp_time_set (GstSDPTime *t,
                  const gchar *start,
                  const gchar *stop,
                  const gchar **repeat);

Set time information start , stop and repeat in t .

Parameters

t

a GstSDPTime

 

start

the start time

 

stop

the stop time

 

repeat

the repeat times.

[array zero-terminated=1]

Returns

a GstSDPResult.

Since: 1.2


gst_sdp_time_clear ()

GstSDPResult
gst_sdp_time_clear (GstSDPTime *t);

Reset the time information in t .

Parameters

t

a GstSDPTime

 

Returns

a GstSDPResult.

Since: 1.2


gst_sdp_zone_set ()

GstSDPResult
gst_sdp_zone_set (GstSDPZone *zone,
                  const gchar *adj_time,
                  const gchar *typed_time);

Set zone information in zone .

Parameters

zone

a GstSDPZone

 

adj_time

the NTP time that a time zone adjustment happens

 

typed_time

the offset from the time when the session was first scheduled

 

Returns

a GstSDPResult.

Since: 1.2


gst_sdp_zone_clear ()

GstSDPResult
gst_sdp_zone_clear (GstSDPZone *zone);

Reset the zone information in zone .

Parameters

zone

a GstSDPZone

 

Returns

a GstSDPResult.

Since: 1.2


gst_sdp_attribute_set ()

GstSDPResult
gst_sdp_attribute_set (GstSDPAttribute *attr,
                       const gchar *key,
                       const gchar *value);

Set the attribute with key and value .

Parameters

attr

a GstSDPAttribute

 

key

the key

 

value

the value.

[nullable]

Returns

GST_SDP_OK .

Since: 1.2


gst_sdp_attribute_clear ()

GstSDPResult
gst_sdp_attribute_clear (GstSDPAttribute *attr);

Clear the attribute.

Parameters

attr

a GstSDPAttribute

 

Returns

GST_SDP_OK .

Since: 1.2


gst_sdp_message_new ()

GstSDPResult
gst_sdp_message_new (GstSDPMessage **msg);

Allocate a new GstSDPMessage and store the result in msg .

Parameters

msg

pointer to new GstSDPMessage.

[out][transfer full]

Returns

a GstSDPResult.


gst_sdp_message_copy ()

GstSDPResult
gst_sdp_message_copy (const GstSDPMessage *msg,
                      GstSDPMessage **copy);

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.

Parameters

msg

a GstSDPMessage

 

copy

pointer to new GstSDPMessage.

[out][transfer full]

Returns

a GstSDPResult

Since: 1.2


gst_sdp_message_init ()

GstSDPResult
gst_sdp_message_init (GstSDPMessage *msg);

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.

Parameters

msg

a GstSDPMessage

 

Returns

a GstSDPResult.


gst_sdp_message_uninit ()

GstSDPResult
gst_sdp_message_uninit (GstSDPMessage *msg);

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().

Parameters

msg

a GstSDPMessage

 

Returns

a GstSDPResult.


gst_sdp_message_free ()

GstSDPResult
gst_sdp_message_free (GstSDPMessage *msg);

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().

Parameters

msg

a GstSDPMessage

 

Returns

a GstSDPResult.


gst_sdp_message_parse_buffer ()

GstSDPResult
gst_sdp_message_parse_buffer (const guint8 *data,
                              guint size,
                              GstSDPMessage *msg);

Parse the contents of size bytes pointed to by data and store the result in msg .

Parameters

data

the start of the buffer.

[array length=size]

size

the size of the buffer

 

msg

the result GstSDPMessage

 

Returns

GST_SDP_OK on success.


gst_sdp_message_as_text ()

gchar *
gst_sdp_message_as_text (const GstSDPMessage *msg);

Convert the contents of msg to a text string.

Parameters

msg

a GstSDPMessage

 

Returns

A dynamically allocated string representing the SDP description.


gst_sdp_message_parse_uri ()

GstSDPResult
gst_sdp_message_parse_uri (const gchar *uri,
                           GstSDPMessage *msg);

Parse the null-terminated uri and store the result in msg .

The uri should be of the form:

scheme://[address:ttl=ttl]/sessionname]

where value is url encoded. This looslely resembles http://tools.ietf.org/html/draft-fujikawa-sdp-url-01

Parameters

uri

the start of the uri

 

msg

the result GstSDPMessage

 

Returns

GST_SDP_OK on success.


gst_sdp_message_as_uri ()

gchar *
gst_sdp_message_as_uri (const gchar *scheme,
                        const GstSDPMessage *msg);

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.

Parameters

scheme

the uri scheme

 

msg

the GstSDPMessage

 

Returns

a uri for msg .


gst_sdp_address_is_multicast ()

gboolean
gst_sdp_address_is_multicast (const gchar *nettype,
                              const gchar *addrtype,
                              const gchar *addr);

Check if the given addr is a multicast address.

Parameters

nettype

a network type

 

addrtype

an address type

 

addr

an address

 

Returns

TRUE when addr is multicast.


gst_sdp_message_get_version ()

const gchar *
gst_sdp_message_get_version (const GstSDPMessage *msg);

Get the version in msg .

Parameters

msg

a GstSDPMessage

 

Returns

a GstSDPResult.


gst_sdp_message_set_version ()

GstSDPResult
gst_sdp_message_set_version (GstSDPMessage *msg,
                             const gchar *version);

Set the version in msg .

Parameters

msg

a GstSDPMessage

 

version

the version

 

Returns

a GstSDPResult.


gst_sdp_message_get_origin ()

const GstSDPOrigin *
gst_sdp_message_get_origin (const GstSDPMessage *msg);

Get the origin of msg .

Parameters

msg

a GstSDPMessage

 

Returns

a GstSDPOrigin. The result remains valid as long as msg is valid.


gst_sdp_message_set_origin ()

GstSDPResult
gst_sdp_message_set_origin (GstSDPMessage *msg,
                            const gchar *username,
                            const gchar *sess_id,
                            const gchar *sess_version,
                            const gchar *nettype,
                            const gchar *addrtype,
                            const gchar *addr);

Configure the SDP origin in msg with the given parameters.

Parameters

msg

a GstSDPMessage

 

username

the user name

 

sess_id

a session id

 

sess_version

a session version

 

nettype

a network type

 

addrtype

an address type

 

addr

an address

 

Returns

GST_SDP_OK.


gst_sdp_message_get_session_name ()

const gchar *
gst_sdp_message_get_session_name (const GstSDPMessage *msg);

Get the session name in msg .

Parameters

msg

a GstSDPMessage

 

Returns

a GstSDPResult.


gst_sdp_message_set_session_name ()

GstSDPResult
gst_sdp_message_set_session_name (GstSDPMessage *msg,
                                  const gchar *session_name);

Set the session name in msg .

Parameters

msg

a GstSDPMessage

 

session_name

the session name

 

Returns

a GstSDPResult.


gst_sdp_message_get_information ()

const gchar *
gst_sdp_message_get_information (const GstSDPMessage *msg);

Get the information in msg .

Parameters

msg

a GstSDPMessage

 

Returns

a GstSDPResult.


gst_sdp_message_set_information ()

GstSDPResult
gst_sdp_message_set_information (GstSDPMessage *msg,
                                 const gchar *information);

Set the information in msg .

Parameters

msg

a GstSDPMessage

 

information

the information

 

Returns

a GstSDPResult.


gst_sdp_message_get_uri ()

const gchar *
gst_sdp_message_get_uri (const GstSDPMessage *msg);

Get the URI in msg .

Parameters

msg

a GstSDPMessage

 

Returns

a GstSDPResult.


gst_sdp_message_set_uri ()

GstSDPResult
gst_sdp_message_set_uri (GstSDPMessage *msg,
                         const gchar *uri);

Set the URI in msg .

Parameters

msg

a GstSDPMessage

 

uri

the URI

 

Returns

a GstSDPResult.


gst_sdp_message_emails_len ()

guint
gst_sdp_message_emails_len (const GstSDPMessage *msg);

Get the number of emails in msg .

Parameters

msg

a GstSDPMessage

 

Returns

the number of emails in msg .


gst_sdp_message_get_email ()

const gchar *
gst_sdp_message_get_email (const GstSDPMessage *msg,
                           guint idx);

Get the email with number idx from msg .

Parameters

msg

a GstSDPMessage

 

idx

an email index

 

Returns

the email at position idx .


gst_sdp_message_insert_email ()

GstSDPResult
gst_sdp_message_insert_email (GstSDPMessage *msg,
                              gint idx,
                              const gchar *email);

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.

Parameters

msg

a GstSDPMessage

 

idx

an index

 

email

an email

 

Returns

a GstSDPResult.

Since: 1.2


gst_sdp_message_replace_email ()

GstSDPResult
gst_sdp_message_replace_email (GstSDPMessage *msg,
                               guint idx,
                               const gchar *email);

Replace the email in msg at index idx with email .

Parameters

msg

a GstSDPMessage

 

idx

an email index

 

email

an email

 

Returns

a GstSDPResult.

Since: 1.2


gst_sdp_message_remove_email ()

GstSDPResult
gst_sdp_message_remove_email (GstSDPMessage *msg,
                              guint idx);

Remove the email in msg at index idx .

Parameters

msg

a GstSDPMessage

 

idx

an email index

 

Returns

a GstSDPResult.

Since: 1.2


gst_sdp_message_add_email ()

GstSDPResult
gst_sdp_message_add_email (GstSDPMessage *msg,
                           const gchar *email);

Add email to the list of emails in msg .

Parameters

msg

a GstSDPMessage

 

email

an email

 

Returns

a GstSDPResult.


gst_sdp_message_phones_len ()

guint
gst_sdp_message_phones_len (const GstSDPMessage *msg);

Get the number of phones in msg .

Parameters

msg

a GstSDPMessage

 

Returns

the number of phones in msg .


gst_sdp_message_get_phone ()

const gchar *
gst_sdp_message_get_phone (const GstSDPMessage *msg,
                           guint idx);

Get the phone with number idx from msg .

Parameters

msg

a GstSDPMessage

 

idx

a phone index

 

Returns

the phone at position idx .


gst_sdp_message_insert_phone ()

GstSDPResult
gst_sdp_message_insert_phone (GstSDPMessage *msg,
                              gint idx,
                              const gchar *phone);

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.

Parameters

msg

a GstSDPMessage

 

idx

a phone index

 

phone

a phone

 

Returns

a GstSDPResult.

Since: 1.2


gst_sdp_message_replace_phone ()

GstSDPResult
gst_sdp_message_replace_phone (GstSDPMessage *msg,
                               guint idx,
                               const gchar *phone);

Replace the phone number in msg at index idx with phone .

Parameters

msg

a GstSDPMessage

 

idx

a phone index

 

phone

a phone

 

Returns

a GstSDPResult.

Since: 1.2


gst_sdp_message_remove_phone ()

GstSDPResult
gst_sdp_message_remove_phone (GstSDPMessage *msg,
                              guint idx);

Remove the phone number in msg at index idx .

Parameters

msg

a GstSDPMessage

 

idx

a phone index

 

Returns

a GstSDPResult.

Since: 1.2


gst_sdp_message_add_phone ()

GstSDPResult
gst_sdp_message_add_phone (GstSDPMessage *msg,
                           const gchar *phone);

Add phone to the list of phones in msg .

Parameters

msg

a GstSDPMessage

 

phone

a phone

 

Returns

a GstSDPResult.


gst_sdp_message_get_connection ()

const GstSDPConnection *
gst_sdp_message_get_connection (const GstSDPMessage *msg);

Get the connection of msg .

Parameters

msg

a GstSDPMessage

 

Returns

a GstSDPConnection. The result remains valid as long as msg is valid.


gst_sdp_message_set_connection ()

GstSDPResult
gst_sdp_message_set_connection (GstSDPMessage *msg,
                                const gchar *nettype,
                                const gchar *addrtype,
                                const gchar *address,
                                guint ttl,
                                guint addr_number);

Configure the SDP connection in msg with the given parameters.

Parameters

msg

a GstSDPMessage

 

nettype

the type of network. "IN" is defined to have the meaning "Internet".

 

addrtype

the type of address.

 

address

the address

 

ttl

the time to live of the address

 

addr_number

the number of layers

 

Returns

a GstSDPResult.


gst_sdp_message_bandwidths_len ()

guint
gst_sdp_message_bandwidths_len (const GstSDPMessage *msg);

Get the number of bandwidth information in msg .

Parameters

msg

a GstSDPMessage

 

Returns

the number of bandwidth information in msg .


gst_sdp_message_get_bandwidth ()

const GstSDPBandwidth *
gst_sdp_message_get_bandwidth (const GstSDPMessage *msg,
                               guint idx);

Get the bandwidth at index idx from msg .

Parameters

msg

a GstSDPMessage

 

idx

the bandwidth index

 

Returns

a GstSDPBandwidth.


gst_sdp_message_insert_bandwidth ()

GstSDPResult
gst_sdp_message_insert_bandwidth (GstSDPMessage *msg,
                                  gint idx,
                                  GstSDPBandwidth *bw);

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.

Parameters

msg

a GstSDPMessage

 

idx

an index

 

bw

the bandwidth

 

Returns

a GstSDPResult.

Since: 1.2


gst_sdp_message_replace_bandwidth ()

GstSDPResult
gst_sdp_message_replace_bandwidth (GstSDPMessage *msg,
                                   guint idx,
                                   GstSDPBandwidth *bw);

Replace the bandwidth information in msg at index idx with bw .

Parameters

msg

a GstSDPMessage

 

idx

the bandwidth index

 

bw

the bandwidth

 

Returns

a GstSDPResult.

Since: 1.2


gst_sdp_message_remove_bandwidth ()

GstSDPResult
gst_sdp_message_remove_bandwidth (GstSDPMessage *msg,
                                  guint idx);

Remove the bandwidth information in msg at index idx .

Parameters

msg

a GstSDPMessage

 

idx

the bandwidth index

 

Returns

a GstSDPResult.

Since: 1.2


gst_sdp_message_add_bandwidth ()

GstSDPResult
gst_sdp_message_add_bandwidth (GstSDPMessage *msg,
                               const gchar *bwtype,
                               guint bandwidth);

Add the specified bandwidth information to msg .

Parameters

msg

a GstSDPMessage

 

bwtype

the bandwidth modifier type

 

bandwidth

the bandwidth in kilobits per second

 

Returns

a GstSDPResult.


gst_sdp_message_times_len ()

guint
gst_sdp_message_times_len (const GstSDPMessage *msg);

Get the number of time information entries in msg .

Parameters

msg

a GstSDPMessage

 

Returns

the number of time information entries in msg .


gst_sdp_message_get_time ()

const GstSDPTime *
gst_sdp_message_get_time (const GstSDPMessage *msg,
                          guint idx);

Get time information with index idx from msg .

Parameters

msg

a GstSDPMessage

 

idx

the time index

 

Returns

a GstSDPTime.


gst_sdp_message_insert_time ()

GstSDPResult
gst_sdp_message_insert_time (GstSDPMessage *msg,
                             gint idx,
                             GstSDPTime *t);

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.

Parameters

msg

a GstSDPMessage

 

idx

an index

 

t

a GstSDPTime

 

Returns

a GstSDPResult.

Since: 1.2


gst_sdp_message_replace_time ()

GstSDPResult
gst_sdp_message_replace_time (GstSDPMessage *msg,
                              guint idx,
                              GstSDPTime *t);

Replace the time information in msg at index idx with t .

Parameters

msg

a GstSDPMessage

 

idx

the index

 

t

a GstSDPTime

 

Returns

a GstSDPResult.

Since: 1.2


gst_sdp_message_remove_time ()

GstSDPResult
gst_sdp_message_remove_time (GstSDPMessage *msg,
                             guint idx);

Remove the time information in msg at index idx .

Parameters

msg

a GstSDPMessage

 

idx

the index

 

Returns

a GstSDPResult.

Since: 1.2


gst_sdp_message_add_time ()

GstSDPResult
gst_sdp_message_add_time (GstSDPMessage *msg,
                          const gchar *start,
                          const gchar *stop,
                          const gchar **repeat);

Add time information start and stop to msg .

Parameters

msg

a GstSDPMessage

 

start

the start time

 

stop

the stop time

 

repeat

the repeat times.

[array zero-terminated=1]

Returns

a GstSDPResult.


gst_sdp_message_zones_len ()

guint
gst_sdp_message_zones_len (const GstSDPMessage *msg);

Get the number of time zone information entries in msg .

Parameters

msg

a GstSDPMessage

 

Returns

the number of time zone information entries in msg .


gst_sdp_message_get_zone ()

const GstSDPZone *
gst_sdp_message_get_zone (const GstSDPMessage *msg,
                          guint idx);

Get time zone information with index idx from msg .

Parameters

msg

a GstSDPMessage

 

idx

the zone index

 

Returns

a GstSDPZone.


gst_sdp_message_insert_zone ()

GstSDPResult
gst_sdp_message_insert_zone (GstSDPMessage *msg,
                             gint idx,
                             GstSDPZone *zone);

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.

Parameters

msg

a GstSDPMessage

 

idx

an index zone a GstSDPZone

 

Returns

a GstSDPResult.

Since: 1.2


gst_sdp_message_replace_zone ()

GstSDPResult
gst_sdp_message_replace_zone (GstSDPMessage *msg,
                              guint idx,
                              GstSDPZone *zone);

Replace the zone information in msg at index idx with zone .

Parameters

msg

a GstSDPMessage

 

idx

the index

 

zone

a GstSDPZone

 

Returns

a GstSDPResult.

Since: 1.2


gst_sdp_message_remove_zone ()

GstSDPResult
gst_sdp_message_remove_zone (GstSDPMessage *msg,
                             guint idx);

Remove the zone information in msg at index idx .

Parameters

msg

a GstSDPMessage

 

idx

the index

 

Returns

a GstSDPResult.

Since: 1.2


gst_sdp_message_add_zone ()

GstSDPResult
gst_sdp_message_add_zone (GstSDPMessage *msg,
                          const gchar *adj_time,
                          const gchar *typed_time);

Add time zone information to msg .

Parameters

msg

a GstSDPMessage

 

adj_time

the NTP time that a time zone adjustment happens

 

typed_time

the offset from the time when the session was first scheduled

 

Returns

a GstSDPResult.


gst_sdp_message_get_key ()

const GstSDPKey *
gst_sdp_message_get_key (const GstSDPMessage *msg);

Get the encryption information from msg .

Parameters

msg

a GstSDPMessage

 

Returns

a GstSDPKey.


gst_sdp_message_set_key ()

GstSDPResult
gst_sdp_message_set_key (GstSDPMessage *msg,
                         const gchar *type,
                         const gchar *data);

Adds the encryption information to msg .

Parameters

msg

a GstSDPMessage

 

type

the encryption type

 

data

the encryption data

 

Returns

a GstSDPResult.


gst_sdp_message_attributes_len ()

guint
gst_sdp_message_attributes_len (const GstSDPMessage *msg);

Get the number of attributes in msg .

Parameters

msg

a GstSDPMessage

 

Returns

the number of attributes in msg .


gst_sdp_message_get_attribute ()

const GstSDPAttribute *
gst_sdp_message_get_attribute (const GstSDPMessage *msg,
                               guint idx);

Get the attribute at position idx in msg .

Parameters

msg

a GstSDPMessage

 

idx

the index

 

Returns

the GstSDPAttribute at position idx .


gst_sdp_message_get_attribute_val ()

const gchar *
gst_sdp_message_get_attribute_val (const GstSDPMessage *msg,
                                   const gchar *key);

Get the first attribute with key key in msg .

Parameters

msg

a GstSDPMessage

 

key

the key

 

Returns

the attribute value of the first attribute with key .


gst_sdp_message_get_attribute_val_n ()

const gchar *
gst_sdp_message_get_attribute_val_n (const GstSDPMessage *msg,
                                     const gchar *key,
                                     guint nth);

Get the nth attribute with key key in msg .

Parameters

msg

a GstSDPMessage

 

key

the key

 

nth

the index

 

Returns

the attribute value of the nth attribute with key .


gst_sdp_message_insert_attribute ()

GstSDPResult
gst_sdp_message_insert_attribute (GstSDPMessage *msg,
                                  gint idx,
                                  GstSDPAttribute *attr);

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.

Parameters

msg

a GstSDPMessage

 

idx

an index

 

attr

a GstSDPAttribute

 

Returns

a GstSDPResult.

Since: 1.2


gst_sdp_message_replace_attribute ()

GstSDPResult
gst_sdp_message_replace_attribute (GstSDPMessage *msg,
                                   guint idx,
                                   GstSDPAttribute *attr);

Replace the attribute in msg at index idx with attr .

Parameters

msg

a GstSDPMessage

 

idx

the index

 

attr

a GstSDPAttribute

 

Returns

a GstSDPResult.

Since: 1.2


gst_sdp_message_remove_attribute ()

GstSDPResult
gst_sdp_message_remove_attribute (GstSDPMessage *msg,
                                  guint idx);

Remove the attribute in msg at index idx .

Parameters

msg

a GstSDPMessage

 

idx

the index

 

Returns

a GstSDPResult.

Since: 1.2


gst_sdp_message_add_attribute ()

GstSDPResult
gst_sdp_message_add_attribute (GstSDPMessage *msg,
                               const gchar *key,
                               const gchar *value);

Add the attribute with key and value to msg .

Parameters

msg

a GstSDPMessage

 

key

the key

 

value

the value.

[nullable]

Returns

GST_SDP_OK .


gst_sdp_message_medias_len ()

guint
gst_sdp_message_medias_len (const GstSDPMessage *msg);

Get the number of media descriptions in msg .

Parameters

msg

a GstSDPMessage

 

Returns

the number of media descriptions in msg .


gst_sdp_message_get_media ()

const GstSDPMedia *
gst_sdp_message_get_media (const GstSDPMessage *msg,
                           guint idx);

Get the media description at index idx in msg .

Parameters

msg

a GstSDPMessage

 

idx

the index

 

Returns

a GstSDPMedia.


gst_sdp_message_add_media ()

GstSDPResult
gst_sdp_message_add_media (GstSDPMessage *msg,
                           GstSDPMedia *media);

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.

Parameters

msg

a GstSDPMessage

 

media

a GstSDPMedia to add

 

Returns

a GstSDPResult.


gst_sdp_message_dump ()

GstSDPResult
gst_sdp_message_dump (const GstSDPMessage *msg);

Dump the parsed contents of msg to stdout.

Parameters

msg

a GstSDPMessage

 

Returns

a GstSDPResult.


gst_sdp_media_new ()

GstSDPResult
gst_sdp_media_new (GstSDPMedia **media);

Allocate a new GstSDPMedia and store the result in media .

Parameters

media

pointer to new GstSDPMedia.

[out][transfer full]

Returns

a GstSDPResult.


gst_sdp_media_copy ()

GstSDPResult
gst_sdp_media_copy (const GstSDPMedia *media,
                    GstSDPMedia **copy);

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.

Parameters

media

a GstSDPMedia

 

copy

pointer to new GstSDPMedia.

[out][transfer full]

Returns

a GstSDPResult

Since: 1.2


gst_sdp_media_init ()

GstSDPResult
gst_sdp_media_init (GstSDPMedia *media);

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.

Parameters

media

a GstSDPMedia

 

Returns

a GstSDPResult.


gst_sdp_media_uninit ()

GstSDPResult
gst_sdp_media_uninit (GstSDPMedia *media);

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().

Parameters

media

a GstSDPMedia

 

Returns

a GstSDPResult.


gst_sdp_media_free ()

GstSDPResult
gst_sdp_media_free (GstSDPMedia *media);

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().

Parameters

media

a GstSDPMedia

 

Returns

a GstSDPResult.


gst_sdp_media_as_text ()

gchar *
gst_sdp_media_as_text (const GstSDPMedia *media);

Convert the contents of media to a text string.

Parameters

media

a GstSDPMedia

 

Returns

A dynamically allocated string representing the media.


gst_sdp_media_get_media ()

const gchar *
gst_sdp_media_get_media (const GstSDPMedia *media);

Get the media description of media .

Parameters

media

a GstSDPMedia

 

Returns

the media description.


gst_sdp_media_set_media ()

GstSDPResult
gst_sdp_media_set_media (GstSDPMedia *media,
                         const gchar *med);

Set the media description of media to med .

Parameters

media

a GstSDPMedia

 

med

the media description

 

Returns

GST_SDP_OK.


gst_sdp_media_get_port ()

guint
gst_sdp_media_get_port (const GstSDPMedia *media);

Get the port number for media .

Parameters

media

a GstSDPMedia

 

Returns

the port number of media .


gst_sdp_media_get_num_ports ()

guint
gst_sdp_media_get_num_ports (const GstSDPMedia *media);

Get the number of ports for media .

Parameters

media

a GstSDPMedia

 

Returns

the number of ports for media .


gst_sdp_media_set_port_info ()

GstSDPResult
gst_sdp_media_set_port_info (GstSDPMedia *media,
                             guint port,
                             guint num_ports);

Set the port information in media .

Parameters

media

a GstSDPMedia

 

port

the port number

 

num_ports

the number of ports

 

Returns

GST_SDP_OK.


gst_sdp_media_get_proto ()

const gchar *
gst_sdp_media_get_proto (const GstSDPMedia *media);

Get the transport protocol of media

Parameters

media

a GstSDPMedia

 

Returns

the transport protocol of media .


gst_sdp_media_set_proto ()

GstSDPResult
gst_sdp_media_set_proto (GstSDPMedia *media,
                         const gchar *proto);

Set the media transport protocol of media to proto .

Parameters

media

a GstSDPMedia

 

proto

the media transport protocol

 

Returns

GST_SDP_OK.


gst_sdp_media_formats_len ()

guint
gst_sdp_media_formats_len (const GstSDPMedia *media);

Get the number of formats in media .

Parameters

media

a GstSDPMedia

 

Returns

the number of formats in media .


gst_sdp_media_get_format ()

const gchar *
gst_sdp_media_get_format (const GstSDPMedia *media,
                          guint idx);

Get the format information at position idx in media .

Parameters

media

a GstSDPMedia

 

idx

an index

 

Returns

the format at position idx .


gst_sdp_media_insert_format ()

GstSDPResult
gst_sdp_media_insert_format (GstSDPMedia *media,
                             gint idx,
                             const gchar *format);

Insert the format information to media at idx . When idx is -1, the format is appended.

Parameters

media

a GstSDPMedia

 

idx

an index

 

format

the format

 

Returns

GST_SDP_OK.

Since: 1.2


gst_sdp_media_replace_format ()

GstSDPResult
gst_sdp_media_replace_format (GstSDPMedia *media,
                              guint idx,
                              const gchar *format);

Replace the format information in media at idx with format .

Parameters

media

a GstSDPMedia

 

idx

an index

 

format

the format

 

Returns

GST_SDP_OK.

Since: 1.2


gst_sdp_media_remove_format ()

GstSDPResult
gst_sdp_media_remove_format (GstSDPMedia *media,
                             guint idx);

Remove the format information in media at idx .

Parameters

media

a GstSDPMedia

 

idx

an index

 

Returns

GST_SDP_OK.

Since: 1.2


gst_sdp_media_add_format ()

GstSDPResult
gst_sdp_media_add_format (GstSDPMedia *media,
                          const gchar *format);

Add the format information to media .

Parameters

media

a GstSDPMedia

 

format

the format

 

Returns

GST_SDP_OK.


gst_sdp_media_get_information ()

const gchar *
gst_sdp_media_get_information (const GstSDPMedia *media);

Get the information of media

Parameters

media

a GstSDPMedia

 

Returns

the information of media .


gst_sdp_media_set_information ()

GstSDPResult
gst_sdp_media_set_information (GstSDPMedia *media,
                               const gchar *information);

Set the media information of media to information .

Parameters

media

a GstSDPMedia

 

information

the media information

 

Returns

GST_SDP_OK.


gst_sdp_media_connections_len ()

guint
gst_sdp_media_connections_len (const GstSDPMedia *media);

Get the number of connection fields in media .

Parameters

media

a GstSDPMedia

 

Returns

the number of connections in media .


gst_sdp_media_get_connection ()

const GstSDPConnection *
gst_sdp_media_get_connection (const GstSDPMedia *media,
                              guint idx);

Get the connection at position idx in media .

Parameters

media

a GstSDPMedia

 

idx

an index

 

Returns

the GstSDPConnection at position idx .


gst_sdp_media_insert_connection ()

GstSDPResult
gst_sdp_media_insert_connection (GstSDPMedia *media,
                                 gint idx,
                                 GstSDPConnection *conn);

Insert the connection information to media at idx . When idx is -1, the connection is appended.

Parameters

media

a GstSDPMedia

 

idx

an index

 

conn

a GstSDPConnection

 

Returns

GST_SDP_OK.

Since: 1.2


gst_sdp_media_replace_connection ()

GstSDPResult
gst_sdp_media_replace_connection (GstSDPMedia *media,
                                  guint idx,
                                  GstSDPConnection *conn);

Replace the connection information in media at idx with conn .

Parameters

media

a GstSDPMedia

 

idx

an index

 

conn

a GstSDPConnection

 

Returns

GST_SDP_OK.

Since: 1.2


gst_sdp_media_remove_connection ()

GstSDPResult
gst_sdp_media_remove_connection (GstSDPMedia *media,
                                 guint idx);

Remove the connection information in media at idx .

Parameters

media

a GstSDPMedia

 

idx

an index

 

Returns

GST_SDP_OK.

Since: 1.2


gst_sdp_media_add_connection ()

GstSDPResult
gst_sdp_media_add_connection (GstSDPMedia *media,
                              const gchar *nettype,
                              const gchar *addrtype,
                              const gchar *address,
                              guint ttl,
                              guint addr_number);

Add the given connection parameters to media .

Parameters

media

a GstSDPMedia

 

nettype

the type of network. "IN" is defined to have the meaning "Internet".

 

addrtype

the type of address.

 

address

the address

 

ttl

the time to live of the address

 

addr_number

the number of layers

 

Returns

a GstSDPResult.


gst_sdp_media_bandwidths_len ()

guint
gst_sdp_media_bandwidths_len (const GstSDPMedia *media);

Get the number of bandwidth fields in media .

Parameters

media

a GstSDPMedia

 

Returns

the number of bandwidths in media .


gst_sdp_media_get_bandwidth ()

const GstSDPBandwidth *
gst_sdp_media_get_bandwidth (const GstSDPMedia *media,
                             guint idx);

Get the bandwidth at position idx in media .

Parameters

media

a GstSDPMedia

 

idx

an index

 

Returns

the GstSDPBandwidth at position idx .


gst_sdp_media_insert_bandwidth ()

GstSDPResult
gst_sdp_media_insert_bandwidth (GstSDPMedia *media,
                                gint idx,
                                GstSDPBandwidth *bw);

Insert the bandwidth information to media at idx . When idx is -1, the bandwidth is appended.

Parameters

media

a GstSDPMedia

 

idx

an index

 

bw

a GstSDPBandwidth

 

Returns

GST_SDP_OK.

Since: 1.2


gst_sdp_media_replace_bandwidth ()

GstSDPResult
gst_sdp_media_replace_bandwidth (GstSDPMedia *media,
                                 guint idx,
                                 GstSDPBandwidth *bw);

Replace the bandwidth information in media at idx with bw .

Parameters

media

a GstSDPMedia

 

idx

an index

 

bw

a GstSDPBandwidth

 

Returns

GST_SDP_OK.

Since: 1.2


gst_sdp_media_remove_bandwidth ()

GstSDPResult
gst_sdp_media_remove_bandwidth (GstSDPMedia *media,
                                guint idx);

Remove the bandwidth information in media at idx .

Parameters

media

a GstSDPMedia

 

idx

an index

 

Returns

GST_SDP_OK.

Since: 1.2


gst_sdp_media_add_bandwidth ()

GstSDPResult
gst_sdp_media_add_bandwidth (GstSDPMedia *media,
                             const gchar *bwtype,
                             guint bandwidth);

Add the bandwidth information with bwtype and bandwidth to media .

Parameters

media

a GstSDPMedia

 

bwtype

the bandwidth modifier type

 

bandwidth

the bandwidth in kilobits per second

 

Returns

GST_SDP_OK.


gst_sdp_media_get_key ()

const GstSDPKey *
gst_sdp_media_get_key (const GstSDPMedia *media);

Get the encryption information from media .

Parameters

media

a GstSDPMedia

 

Returns

a GstSDPKey.


gst_sdp_media_set_key ()

GstSDPResult
gst_sdp_media_set_key (GstSDPMedia *media,
                       const gchar *type,
                       const gchar *data);

Adds the encryption information to media .

Parameters

media

a GstSDPMedia

 

type

the encryption type

 

data

the encryption data

 

Returns

a GstSDPResult.


gst_sdp_media_attributes_len ()

guint
gst_sdp_media_attributes_len (const GstSDPMedia *media);

Get the number of attribute fields in media .

Parameters

media

a GstSDPMedia

 

Returns

the number of attributes in media .


gst_sdp_media_get_attribute ()

const GstSDPAttribute *
gst_sdp_media_get_attribute (const GstSDPMedia *media,
                             guint idx);

Get the attribute at position idx in media .

Parameters

media

a GstSDPMedia

 

idx

an index

 

Returns

the GstSDPAttribute at position idx .


gst_sdp_media_get_attribute_val ()

const gchar *
gst_sdp_media_get_attribute_val (const GstSDPMedia *media,
                                 const gchar *key);

Get the first attribute value for key in media .

Parameters

media

a GstSDPMedia

 

key

a key

 

Returns

the first attribute value for key .


gst_sdp_media_get_attribute_val_n ()

const gchar *
gst_sdp_media_get_attribute_val_n (const GstSDPMedia *media,
                                   const gchar *key,
                                   guint nth);

Get the nth attribute value for key in media .

Parameters

media

a GstSDPMedia

 

key

a key

 

nth

an index

 

Returns

the nth attribute value.


gst_sdp_media_insert_attribute ()

GstSDPResult
gst_sdp_media_insert_attribute (GstSDPMedia *media,
                                gint idx,
                                GstSDPAttribute *attr);

Insert the attribute to media at idx . When idx is -1, the attribute is appended.

Parameters

media

a GstSDPMedia

 

idx

an index

 

attr

a GstSDPAttribute

 

Returns

GST_SDP_OK.

Since: 1.2


gst_sdp_media_replace_attribute ()

GstSDPResult
gst_sdp_media_replace_attribute (GstSDPMedia *media,
                                 guint idx,
                                 GstSDPAttribute *attr);

Replace the attribute in media at idx with attr .

Parameters

media

a GstSDPMedia

 

idx

an index

 

attr

a GstSDPAttribute

 

Returns

GST_SDP_OK.

Since: 1.2


gst_sdp_media_remove_attribute ()

GstSDPResult
gst_sdp_media_remove_attribute (GstSDPMedia *media,
                                guint idx);

Remove the attribute in media at idx .

Parameters

media

a GstSDPMedia

 

idx

an index

 

Returns

GST_SDP_OK.

Since: 1.2


gst_sdp_media_add_attribute ()

GstSDPResult
gst_sdp_media_add_attribute (GstSDPMedia *media,
                             const gchar *key,
                             const gchar *value);

Add the attribute with key and value to media .

Parameters

media

a GstSDPMedia

 

key

a key

 

value

a value.

[nullable]

Returns

GST_SDP_OK.


gst_sdp_media_get_caps_from_media ()

GstCaps *
gst_sdp_media_get_caps_from_media (const GstSDPMedia *media,
                                   gint pt);

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)];...

Parameters

media

a GstSDPMedia

 

pt

a payload type

 

Returns

a GstCaps, or NULL if an error happened

Since: 1.8


gst_sdp_media_set_media_from_caps ()

GstSDPResult
gst_sdp_media_set_media_from_caps (const GstCaps *caps,
                                   GstSDPMedia *media);

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]...

Parameters

caps

a GstCaps

 

media

a GstSDPMedia

 

Returns

a GstSDPResult.

Since: 1.8


gst_sdp_make_keymgmt ()

gchar *
gst_sdp_make_keymgmt (const gchar *uri,
                      const gchar *base64);

Makes key management data

Parameters

uri

a gchar URI

 

base64

a gchar base64-encoded key data

 

Returns

a gchar key-mgmt data,.

[transfer full]

Since: 1.8


gst_sdp_message_attributes_to_caps ()

GstSDPResult
gst_sdp_message_attributes_to_caps (const GstSDPMessage *msg,
                                    GstCaps *caps);

Mapping of attributes of GstSDPMessage to GstCaps

Parameters

msg

a GstSDPMessage

 

caps

a GstCaps

 

Returns

a GstSDPResult.

Since: 1.8


gst_sdp_media_attributes_to_caps ()

GstSDPResult
gst_sdp_media_attributes_to_caps (const GstSDPMedia *media,
                                  GstCaps *caps);

Mapping of attributes of GstSDPMedia to GstCaps

Parameters

media

a GstSDPMedia

 

caps

a GstCaps

 

Returns

a GstSDPResult.

Since: 1.8

Types and Values

enum GstSDPResult

Return values for the SDP functions.

Members

GST_SDP_OK

A successful return value

 

GST_SDP_EINVAL

a function was given invalid parameters

 

GstSDPOrigin

typedef struct {
  gchar *username;
  gchar *sess_id;
  gchar *sess_version;
  gchar *nettype;
  gchar *addrtype;
  gchar *addr;
} GstSDPOrigin;

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.

Members

gchar *username;

the user's login on the originating host, or it is "-" if the originating host does not support the concept of user ids.

 

gchar *sess_id;

is a numeric string such that the tuple of username , sess_id , nettype , addrtype and addr form a globally unique identifier for the session.

 

gchar *sess_version;

a version number for this announcement

 

gchar *nettype;

the type of network. "IN" is defined to have the meaning "Internet".

 

gchar *addrtype;

the type of addr .

 

gchar *addr;

the globally unique address of the machine from which the session was created.

 

GstSDPConnection

typedef struct {
  gchar *nettype;
  gchar *addrtype;
  gchar *address;
  guint  ttl;
  guint  addr_number;
} GstSDPConnection;

The contents of the SDP "c=" field which contains connection data.

Members

gchar *nettype;

the type of network. "IN" is defined to have the meaning "Internet".

 

gchar *addrtype;

the type of address .

 

gchar *address;

the address

 

guint ttl;

the time to live of the address

 

guint addr_number;

the number of layers

 

GST_SDP_BWTYPE_CT

#define GST_SDP_BWTYPE_CT               "CT"

The Conference Total bandwidth modifier.


GST_SDP_BWTYPE_AS

#define GST_SDP_BWTYPE_AS               "AS"

The Application-Specific Maximum bandwidth modifier.


GST_SDP_BWTYPE_EXT_PREFIX

#define GST_SDP_BWTYPE_EXT_PREFIX       "X-"

The extension prefix bandwidth modifier.


GST_SDP_BWTYPE_RR

#define GST_SDP_BWTYPE_RR               "RR"

RTCP bandwidth allocated to data receivers (RFC 3556).


GST_SDP_BWTYPE_RS

#define GST_SDP_BWTYPE_RS               "RS"

RTCP bandwidth allocated to active data senders (RFC 3556).


GST_SDP_BWTYPE_TIAS

#define GST_SDP_BWTYPE_TIAS             "TIAS"

Transport Independent Application Specific Maximum bandwidth (RFC 3890).


GstSDPBandwidth

typedef struct {
  gchar *bwtype;
  guint  bandwidth;
} GstSDPBandwidth;

The contents of the SDP "b=" field which specifies the proposed bandwidth to be used by the session or media.

Members

gchar *bwtype;

the bandwidth modifier type

 

guint bandwidth;

the bandwidth in kilobits per second

 

GstSDPTime

typedef struct {
  gchar  *start;
  gchar  *stop;
  GArray *repeat;
} GstSDPTime;

The contents of the SDP "t=" field which specify the start and stop times for a conference session.

Members

gchar *start;

start time for the conference. The value is the decimal representation of Network Time Protocol (NTP) time values in seconds

 

gchar *stop;

stop time for the conference. The value is the decimal representation of Network Time Protocol (NTP) time values in seconds

 

GArray *repeat;

repeat times for a session

 

GstSDPZone

typedef struct {
  gchar *time;
  gchar *typed_time;
} GstSDPZone;

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.

Members

gchar *time;

the NTP time that a time zone adjustment happens

 

gchar *typed_time;

the offset from the time when the session was first scheduled

 

GstSDPKey

typedef struct {
  gchar *type;
  gchar *data;
} GstSDPKey;

The contents of the SDP "k=" field which is used to convey encryption keys.

Members

gchar *type;

the encryption type

 

gchar *data;

the encryption data

 

GstSDPAttribute

typedef struct {
  gchar *key;
  gchar *value;
} GstSDPAttribute;

The contents of the SDP "a=" field which contains a key/value pair.

Members

gchar *key;

the attribute key

 

gchar *value;

the attribute value or NULL when it was a property attribute

 

GstSDPMedia

typedef struct {
  gchar            *media;
  guint             port;
  guint             num_ports;
  gchar            *proto;
  GArray           *fmts;
  gchar            *information;
  GArray           *connections;
  GArray           *bandwidths;
  GstSDPKey         key;
  GArray           *attributes;
} GstSDPMedia;

The contents of the SDP "m=" field with all related fields.

Members

gchar *media;

the media type

 

guint port;

the transport port to which the media stream will be sent

 

guint num_ports;

the number of ports or -1 if only one port was specified

 

gchar *proto;

the transport protocol

 

GArray *fmts;

an array of gchar formats

 

gchar *information;

the media title

 

GArray *connections;

array of GstSDPConnection with media connection information

 

GArray *bandwidths;

array of GstSDPBandwidth with media bandwidth information

 

GstSDPKey key;

the encryption key

 

GArray *attributes;

array of GstSDPAttribute with the additional media attributes

 

GstSDPMessage

typedef struct {
  gchar            *version;
  GstSDPOrigin      origin;
  gchar            *session_name;
  gchar            *information;
  gchar            *uri;
  GArray           *emails;
  GArray           *phones;
  GstSDPConnection  connection;
  GArray           *bandwidths;
  GArray           *times;
  GArray           *zones;
  GstSDPKey         key;
  GArray           *attributes;
  GArray           *medias;
} GstSDPMessage;

The contents of the SDP message.

Members

gchar *version;

the protocol version

 

GstSDPOrigin origin;

owner/creator and session identifier

 

gchar *session_name;

session name

 

gchar *information;

session information

 

gchar *uri;

URI of description

 

GArray *emails;

array of gchar with email addresses

 

GArray *phones;

array of gchar with phone numbers

 

GstSDPConnection connection;

connection information for the session

 

GArray *bandwidths;

array of GstSDPBandwidth with bandwidth information

 

GArray *times;

array of GstSDPTime with time descriptions

 

GArray *zones;

array of GstSDPZone with time zone adjustments

 

GstSDPKey key;

encryption key

 

GArray *attributes;

array of GstSDPAttribute with session attributes

 

GArray *medias;

array of GstSDPMedia with media descriptions

 
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