sdp  1.12.11devel
sdp.h
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1 /*
2  * This file is part of the Sofia-SIP package
3  *
4  * Copyright (C) 2005 Nokia Corporation.
5  *
6  * Contact: Pekka Pessi <pekka.pessi@nokia-email.address.hidden>
7  *
8  * This library is free software; you can redistribute it and/or
9  * modify it under the terms of the GNU Lesser General Public License
10  * as published by the Free Software Foundation; either version 2.1 of
11  * the License, or (at your option) any later version.
12  *
13  * This library is distributed in the hope that it will be useful, but
14  * WITHOUT ANY WARRANTY; without even the implied warranty of
15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16  * Lesser General Public License for more details.
17  *
18  * You should have received a copy of the GNU Lesser General Public
19  * License along with this library; if not, write to the Free Software
20  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
21  * 02110-1301 USA
22  *
23  */
24 
25 #ifndef SDP_H
26 #define SDP_H
27 
35 #ifndef SU_ALLOC_H
36 #include <sofia-sip/su_alloc.h>
37 #endif
38 #ifndef SU_TYPES_H
39 #include <sofia-sip/su_types.h>
40 #endif
41 
42 SOFIA_BEGIN_DECLS
43 
47 typedef unsigned long sdp_version_t;
49 typedef struct sdp_origin_s sdp_origin_t;
55 typedef struct sdp_time_s sdp_time_t;
57 typedef struct sdp_repeat_s sdp_repeat_t;
59 typedef struct sdp_zone_s sdp_zone_t;
61 typedef struct sdp_key_s sdp_key_t;
65 typedef struct sdp_media_s sdp_media_t;
67 typedef struct sdp_list_s sdp_list_t;
69 typedef struct sdp_rtpmap_s sdp_rtpmap_t;
70 
72 typedef char const sdp_text_t;
73 
74 #define SDP_MIME_TYPE "application/sdp"
75 
76 enum {
77  SDP_CURRENT_VERSION = 0
78 };
79 
82 {
83  int sdp_size;
99 };
100 
103 {
104  int o_size;
109 };
110 
112 typedef enum
113 {
114  sdp_net_x = 0,
116 } sdp_nettype_e;
117 
119 typedef enum
120 {
125 
128 {
129  int c_size;
134  unsigned c_ttl : 8;
135  unsigned c_mcast : 1;
136  unsigned : 0;
137  unsigned c_groups;
138 };
139 
141 typedef enum
142 {
147 
150 {
151  int b_size;
156  unsigned long b_value;
157 };
158 
161 {
162  int t_size;
164  unsigned long t_start;
165  unsigned long t_stop;
168 };
169 
172 {
173  int r_size;
177  unsigned long r_interval;
178  unsigned long r_duration;
179  unsigned long r_offsets[1];
180 };
181 
184 {
186  int z_size;
188  struct {
189  unsigned long z_at;
190  long z_offset;
191  } z_adjustments[1];
192 };
193 
195 typedef enum {
203 
205 struct sdp_key_s
206 {
207  int k_size;
211 };
212 
215  int a_size;
219 };
220 
222 typedef enum
223 {
235 } sdp_media_e;
236 
238 typedef enum
239 {
248 } sdp_proto_e;
249 
251 typedef enum {
252  sdp_inactive = 0,
253  sdp_sendonly = 1,
254  sdp_recvonly = 2,
255  sdp_sendrecv = sdp_sendonly | sdp_recvonly
256 } sdp_mode_t;
257 
269 {
270  int m_size;
276  unsigned long m_port;
277  unsigned long m_number_of_ports;
288  void *m_user;
291  unsigned m_rejected : 1;
293  /* sdp_mode_t */ unsigned m_mode : 2;
294  unsigned : 0;
295 };
296 
299 {
300  int l_size;
303 };
304 
314 struct sdp_rtpmap_s {
315  int rm_size;
318  unsigned long rm_rate;
321  unsigned rm_predef : 1;
322  unsigned rm_pt : 7;
323  unsigned rm_any : 1;
324  unsigned :0;
325 };
326 
328 
331 
335 
339 
343 
347 
351 
355 
359 
363 
367  sdp_session_t *);
368 
372  sdp_session_t *);
373 
377 
381 
384  sdp_session_t const *b);
385 
388  sdp_origin_t const *b);
389 
392  sdp_connection_t const *b);
393 
396  sdp_bandwidth_t const *b);
397 
399 SOFIAPUBFUN int sdp_time_cmp(sdp_time_t const *a, sdp_time_t const *b);
400 
401 /* Compare two repeat (r=) fields */
402 SOFIAPUBFUN int sdp_repeat_cmp(sdp_repeat_t const *a, sdp_repeat_t const *b);
403 
404 /* Compare two zone (z=) fields */
405 SOFIAPUBFUN int sdp_zone_cmp(sdp_zone_t const *a, sdp_zone_t const *b);
406 
408 SOFIAPUBFUN int sdp_key_cmp(sdp_key_t const *a, sdp_key_t const *b);
409 
412  sdp_attribute_t const *);
413 
415 SOFIAPUBFUN int sdp_media_cmp(sdp_media_t const *, sdp_media_t const *);
416 
418 SOFIAPUBFUN int sdp_rtpmap_cmp(sdp_rtpmap_t const *a, sdp_rtpmap_t const *b);
419 
421 SOFIAPUBFUN int sdp_list_cmp(sdp_list_t const *a, sdp_list_t const *b);
422 
425 
428 
430 SOFIAPUBFUN void sdp_media_type(sdp_media_t *m, char const *s);
431 
433 SOFIAPUBFUN void sdp_media_transport(sdp_media_t *m, char const *s);
434 
437  char const *name);
438 
441  sdp_attribute_t const *a2,
442  char const *name);
443 
446  sdp_mode_t defmode);
447 
450  sdp_mode_t mode);
451 
455  char const *name,
456  int pt, char **return_result);
457 
460  sdp_attribute_t const *a);
461 
464  sdp_attribute_t *a,
465  sdp_attribute_t **return_replaced);
466 
469  char const *name);
470 
471 /* Return 1 if m= line struct matches with given type and name */
472 SOFIAPUBFUN unsigned sdp_media_match(sdp_media_t const *m,
473  sdp_media_e type,
474  sdp_text_t *type_name,
475  sdp_proto_e proto,
476  sdp_text_t *proto_name);
477 
478 SOFIAPUBFUN unsigned sdp_media_match_with(sdp_media_t const *a,
479  sdp_media_t const *b);
480 
482 SOFIAPUBFUN unsigned sdp_media_count(sdp_session_t const *sdp,
483  sdp_media_e type,
484  sdp_text_t *type_name,
485  sdp_proto_e proto,
486  sdp_text_t *proto_name);
487 
489  sdp_media_t const *m0);
490 
493 
496 
499  sdp_rtpmap_t const *rm);
500 
501 /* ======================================================================== */
502 
527 };
528 
530 typedef struct sdp_parser_s sdp_parser_t;
531 typedef sdp_parser_t *sdp_parser;
532 
534  char const msg[], issize_t msgsize,
535  int flags);
539 
541 
543 
544 /* ======================================================================== */
545 
547 typedef struct sdp_printer_s sdp_printer_t;
548 typedef sdp_printer_t *sdp_printer;
549 
551  char msgbuf[], isize_t maxmsgsize,
552  int flags);
554 SOFIAPUBFUN char const *sdp_message(sdp_printer_t *p);
557 
558 #define sdp_mapped_attribute_find sdp_attribute_mapped_find
559 #define sdp_free_parser sdp_parser_free
560 #define sdp_free_printer sdp_printer_free
561 
562 SOFIA_END_DECLS
563 
564 #endif /* SDP_H */
int z_size
Size of structure including z_adjustments[z_number_of_adjustments].
Definition: sdp.h:186
Unknown network type.
Definition: sdp.h:114
sdp_nettype_e
Network type.
Definition: sdp.h:112
sdp_list_t * sdp_emails
E-mail address(s)
Definition: sdp.h:90
sdp_rtpmap_t * sdp_rtpmap_find_matching(sdp_rtpmap_t const *list, sdp_rtpmap_t const *rm)
Search for matching rtpmap from list.
Definition: sdp.c:1878
sdp_origin_t * sdp_origin_dup(su_home_t *, sdp_origin_t const *)
Duplicate an SDP origin structure.
Definition: sdp.c:190
Messaging sessions.
Definition: sdp.h:231
Don&#39;t require c= for each media line.
Definition: sdp.h:520
sdp_bandwidth_t * b_next
Next bw description in list.
Definition: sdp.h:152
sdp_text_t * sdp_charset
SDP charset (default is UTF8)
Definition: sdp.h:97
sdp_session_t * sdp_session(sdp_parser_t *p)
Retrieve an SDP session structure.
Definition: sdp_parse.c:213
SU_HOME_T su_home_t
sdp_addrtype_e c_addrtype
Address type.
Definition: sdp.h:132
sdp_attribute_t * sdp_attribute_dup(su_home_t *, sdp_attribute_t const *)
Duplicate an SDP attribute structure.
Definition: sdp.c:330
int sdp_session_cmp(sdp_session_t const *a, sdp_session_t const *b)
Compare two session descriptions.
Definition: sdp.c:1162
unsigned rm_predef
is this entry well-known?
Definition: sdp.h:321
struct sdp_printer_s sdp_printer_t
SDP printer handle.
Definition: sdp.h:547
sdp_nettype_e c_nettype
Network type.
Definition: sdp.h:131
sdp_attribute_t * a_next
Next attribute in list.
Definition: sdp.h:216
int sdp_origin_cmp(sdp_origin_t const *a, sdp_origin_t const *b)
Compare two origin fields.
Definition: sdp.c:1218
sdp_rtpmap_t * rm_next
Next RTP map entry.
Definition: sdp.h:316
Session description identification.
Definition: sdp.h:102
Unknown mechanism.
Definition: sdp.h:196
int sdp_sanity_check(sdp_parser_t *)
Validates that all mandatory fields exist.
Definition: sdp_parse.c:551
void * m_user
User data.
Definition: sdp.h:288
sdp_rtpmap_t * sdp_rtpmap_dup(su_home_t *, sdp_rtpmap_t const *)
Duplicate an rtpmap structure.
Definition: sdp.c:370
sdp_text_t * m_information
Media information.
Definition: sdp.h:282
sdp_parse_flags_e
Flags given to sdp_parse()/sdp_print().
Definition: sdp.h:504
sdp_rtpmap_t * m_rtpmaps
List of RTP maps.
Definition: sdp.h:281
No key is included, prompt user for key.
Definition: sdp.h:200
Additional conference control.
Definition: sdp.h:230
SU_U64_T uint64_t
su_home_t * sdp_parser_home(sdp_parser_t *)
Obtain memory home used by parser.
Definition: sdp_parse.c:193
sdp_session_t * sdp_next
Next description in list.
Definition: sdp.h:84
int rm_size
sizeof sdp_rtpmap_t
Definition: sdp.h:315
Conference total.
Definition: sdp.h:144
sdp_origin_t * sdp_origin
Owner/creator and session ID.
Definition: sdp.h:86
sdp_text_t * sdp_information
Session information.
Definition: sdp.h:88
sdp_repeat_t * t_repeat
Repeat information.
Definition: sdp.h:166
unsigned long sdp_version_t
SDP version "v=" line.
Definition: sdp.h:47
Do not generate or parse SDP mode.
Definition: sdp.h:524
sdp_key_method_e
Mechanism to be used to obtain session key.
Definition: sdp.h:195
unsigned sdp_media_count(sdp_session_t const *sdp, sdp_media_e type, sdp_text_t *type_name, sdp_proto_e proto, sdp_text_t *proto_name)
Count media lines in SDP.
Definition: sdp.c:1799
sdp_bandwidth_e
Bandwdith type.
Definition: sdp.h:141
Redundancy.
Definition: sdp.h:234
unsigned c_mcast
True if multicast.
Definition: sdp.h:135
sdp_session_t * m_session
Back-pointer to session level.
Definition: sdp.h:272
unsigned long m_number_of_ports
Number of ports (if multiple)
Definition: sdp.h:277
long z_offset
Adjustment offset.
Definition: sdp.h:190
sdp_text_t * b_modifier_name
Modifier if not well-known.
Definition: sdp.h:155
sdp_key_t * sdp_key_dup(su_home_t *, sdp_key_t const *)
Duplicate an SDP key structure.
Definition: sdp.c:310
sdp_addrtype_e
Address type.
Definition: sdp.h:119
sdp_attribute_t * sdp_attributes
Session attributes.
Definition: sdp.h:96
int sdp_key_cmp(sdp_key_t const *a, sdp_key_t const *b)
Compare two key (k=) fields.
Definition: sdp.c:1354
sdp_attribute_t * sdp_attribute_find2(sdp_attribute_t const *a, sdp_attribute_t const *a2, char const *name)
Find named attribute from given lists.
Definition: sdp.c:1542
unsigned c_groups
Number of groups (if multiple)
Definition: sdp.h:137
Accept only conforming SDP.
Definition: sdp.h:506
int sdp_repeat_cmp(sdp_repeat_t const *a, sdp_repeat_t const *b)
Compare two repeat (r=) fields.
Definition: sdp.c:1302
sdp_bandwidth_e b_modifier
Meaning of value (total, or per application).
Definition: sdp.h:153
sdp_text_t * o_username
Username of originator.
Definition: sdp.h:105
sdp_connection_t * sdp_connection_dup(su_home_t *, sdp_connection_t const *)
Duplicate an SDP connection structure.
Definition: sdp.c:210
void sdp_attribute_append(sdp_attribute_t **list, sdp_attribute_t const *a)
Append a attribute to a list of attributes.
Definition: sdp.c:1656
sdp_text_t * rm_params
Format-specific parameters.
Definition: sdp.h:319
void sdp_media_type(sdp_media_t *m, char const *s)
Set media type.
Definition: sdp_parse.c:1355
int r_number_of_offsets
Number of offsets in list.
Definition: sdp.h:176
sdp_key_t * m_key
Media key.
Definition: sdp.h:285
unsigned long t_stop
Stop time (seconds since 1900)
Definition: sdp.h:165
int sdp_media_has_rtp(sdp_media_t const *m)
Check if media uses RTP as its transport protocol.
Definition: sdp_parse.c:1408
sdp_key_t * sdp_key
Session key.
Definition: sdp.h:95
sdp_session_t * sdp_session_dup(su_home_t *, sdp_session_t const *)
Duplicate an SDP session description structure.
Definition: sdp.c:997
unsigned c_ttl
Time to live (scope)
Definition: sdp.h:134
int sdp_time_cmp(sdp_time_t const *a, sdp_time_t const *b)
Compare two time fields.
Definition: sdp.c:1282
RTP/AVP.
Definition: sdp.h:243
int m_size
sizeof sdp_media_t
Definition: sdp.h:270
int r_size
Size of structure including r_offsets[r_number_of_offsets].
Definition: sdp.h:173
sdp_zone_t * t_zone
Time Zone infromation.
Definition: sdp.h:167
sdp_mode_t sdp_attribute_mode(sdp_attribute_t const *a, sdp_mode_t defmode)
Get session mode from attribute list.
Definition: sdp.c:1561
struct sdp_parser_s sdp_parser_t
SDP parser handle.
Definition: sdp.h:530
sdp_text_t * rm_fmtp
Contents of fmtp.
Definition: sdp.h:320
unsigned long r_interval
Time between activations.
Definition: sdp.h:177
sdp_parser_t * sdp_parse(su_home_t *, char const msg[], issize_t msgsize, int flags)
Parse an SDP message.
Definition: sdp_parse.c:145
RTP/SAVP.
Definition: sdp.h:244
sdp_text_t * a_name
Attribute name.
Definition: sdp.h:217
Include well-known rtpmaps in message, too.
Definition: sdp.h:512
sdp_text_t * k_material
Encryption key.
Definition: sdp.h:210
unsigned long r_duration
Duration of activation.
Definition: sdp.h:178
int sdp_rtpmap_match(sdp_rtpmap_t const *, sdp_rtpmap_t const *)
Check if payload type, rtp rate and parameters match in rtpmaps.
Definition: sdp.c:1840
sdp_media_e m_type
Media type.
Definition: sdp.h:274
sdp_list_t * m_format
List of media formats.
Definition: sdp.h:280
Session or media attribute.
Definition: sdp.h:214
#define SOFIAPUBFUN
sdp_time_t * sdp_time
Session active time.
Definition: sdp.h:94
int o_size
sizeof sdp_origin_t
Definition: sdp.h:104
unsigned rm_pt
Payload type.
Definition: sdp.h:322
Don&#39;t run sanity check.
Definition: sdp.h:518
int t_size
sizeof sdp_time_t in bytes
Definition: sdp.h:162
int a_size
sizeof sdp_attribute_t
Definition: sdp.h:215
sdp_media_e
Media type.
Definition: sdp.h:222
Application-specific.
Definition: sdp.h:145
int sdp_bandwidth_cmp(sdp_bandwidth_t const *a, sdp_bandwidth_t const *b)
Compare two bandwidth (b=) fields.
Definition: sdp.c:1260
UDPTL.
Definition: sdp.h:245
sdp_proto_e
Media transport protocol.
Definition: sdp.h:238
sdp_text_t * sdp_subject
Session name.
Definition: sdp.h:87
sdp_list_t * sdp_list_dup(su_home_t *, sdp_list_t const *)
Duplicate a list structure.
Definition: sdp.c:350
Session key.
Definition: sdp.h:205
Unknown transport.
Definition: sdp.h:240
sdp_media_t * m_next
Next media announcement.
Definition: sdp.h:271
sdp_media_t * sdp_media_dup_all(su_home_t *, sdp_media_t const *, sdp_session_t *)
Duplicate a list of SDP media description structures.
Definition: sdp.c:420
int k_size
sizeof sdp_key_t
Definition: sdp.h:207
Key is encoded with base64.
Definition: sdp.h:198
sdp_bandwidth_t * m_bandwidths
Bandwidth specification.
Definition: sdp.h:284
int sdp_list_cmp(sdp_list_t const *a, sdp_list_t const *b)
Compare two text lists.
Definition: sdp.c:1424
sdp_text_t * a_value
Attribute value.
Definition: sdp.h:218
isize_t sdp_message_size(sdp_printer_t *p)
Get size of encoded SDP message.
Definition: sdp_print.c:218
sdp_attribute_t * sdp_attribute_find(sdp_attribute_t const *a, char const *name)
Find named attribute from given list.
Definition: sdp.c:1531
int sdp_media_uses_rtp(sdp_media_t const *m)
Return true if media uses RTP.
Definition: sdp.c:1830
sdp_bandwidth_t * sdp_bandwidth_dup(su_home_t *, sdp_bandwidth_t const *)
Duplicate an SDP bandwidth structure.
Definition: sdp.c:230
Mapping from RTP payload to codec.
Definition: sdp.h:314
#define SOFIAPUBVAR
Video.
Definition: sdp.h:227
IPv4 address.
Definition: sdp.h:122
TLS over TCP.
Definition: sdp.h:246
TCP.
Definition: sdp.h:241
sdp_attribute_t * sdp_attribute_by_mode(su_home_t *, sdp_mode_t mode)
Get session mode from attribute list.
Definition: sdp.c:1578
Session description.
Definition: sdp.h:81
Audio.
Definition: sdp.h:226
Connection line with INADDR_ANY is considered equal to sendonly.
Definition: sdp.h:516
unsigned long rm_rate
Sampling rate.
Definition: sdp.h:318
sdp_connection_t * o_address
Address of originator.
Definition: sdp.h:108
sdp_time_t * t_next
Next time description in list.
Definition: sdp.h:163
void sdp_parser_free(sdp_parser_t *p)
Free an SDP parser.
Definition: sdp_parse.c:241
Accept any network type.
Definition: sdp.h:508
sdp_text_t * k_method_name
Mechanism if not known.
Definition: sdp.h:209
URI used to obtain a key.
Definition: sdp.h:199
Parse SDP config files.
Definition: sdp.h:522
Session or media bandwidth.
Definition: sdp.h:149
char const sdp_text_t
Message text.
Definition: sdp.h:72
Bulk data transfer.
Definition: sdp.h:229
Unknown bandwidth type.
Definition: sdp.h:143
unsigned long b_value
Bandwidth in kilobits per second.
Definition: sdp.h:156
int sdp_rtpmap_cmp(sdp_rtpmap_t const *a, sdp_rtpmap_t const *b)
Compare two rtpmap structures.
Definition: sdp.c:1387
sdp_list_t * sdp_phones
Phone number(s)
Definition: sdp.h:91
sdp_printer_t * sdp_print(su_home_t *, sdp_session_t const *, char msgbuf[], isize_t maxmsgsize, int flags)
Print a SDP description.
Definition: sdp_print.c:129
Unknown media.
Definition: sdp.h:224
void sdp_media_transport(sdp_media_t *m, char const *s)
Set transport protocol.
Definition: sdp_parse.c:1384
int sdp_size
sizeof sdp_session_t
Definition: sdp.h:83
char const * sdp_printing_error(sdp_printer_t *p)
Get encoding error.
Definition: sdp_print.c:180
sdp_connection_t * sdp_media_connections(sdp_media_t const *m)
Get connections of a media description.
Definition: sdp.c:1517
int b_size
Size fo sdp_bandwidth_t.
Definition: sdp.h:151
sdp_repeat_t * sdp_repeat_dup(su_home_t *, sdp_repeat_t const *)
Duplicate an SDP repeat structure.
Definition: sdp.c:270
sdp_text_t * rm_encoding
Codec name.
Definition: sdp.h:317
sdp_text_t * c_address
Host or group address.
Definition: sdp.h:133
sdp_time_t * sdp_time_dup(su_home_t *, sdp_time_t const *)
Duplicate an SDP time structure.
Definition: sdp.c:250
sdp_proto_e m_proto
Transport protocol.
Definition: sdp.h:278
sdp_connection_t * c_next
Next connection in list.
Definition: sdp.h:130
char const * sdp_message(sdp_printer_t *p)
Get encoded SDP message.
Definition: sdp_print.c:201
int c_size
Size fo sdp_connection_t.
Definition: sdp.h:129
sdp_text_t * l_text
Text as C string.
Definition: sdp.h:302
unsigned rm_any
Wildcard entry.
Definition: sdp.h:323
sdp_attribute_t * sdp_attribute_remove(sdp_attribute_t **list, char const *name)
Remove a named attribute from a list of attributes.
Definition: sdp.c:1713
Timezone.
Definition: sdp.h:183
int sdp_zone_cmp(sdp_zone_t const *a, sdp_zone_t const *b)
Compare two zone (z=) fields.
Definition: sdp.c:1328
Media announcement.
Definition: sdp.h:268
unsigned sdp_media_count_with(sdp_session_t const *sdp, sdp_media_t const *m0)
Count matching media lines in SDP.
Definition: sdp.c:1816
void sdp_printer_free(sdp_printer_t *p)
Free a SDP printer.
Definition: sdp_print.c:233
sdp_attribute_t * m_attributes
Media attributes.
Definition: sdp.h:286
Reallocate message.
Definition: sdp.h:510
unsigned long z_at
Adjustment time.
Definition: sdp.h:189
IPv6 address.
Definition: sdp.h:123
sdp_mode_t
Session mode.
Definition: sdp.h:251
int sdp_attribute_cmp(sdp_attribute_t const *, sdp_attribute_t const *)
Compare two attribute (a=) fields.
Definition: sdp.c:1372
int l_size
sizeof sdp_list_t
Definition: sdp.h:300
sdp_media_t * sdp_media_dup(su_home_t *, sdp_media_t const *, sdp_session_t *)
Duplicate an SDP media description structure.
Definition: sdp.c:392
Conferencing.
Definition: sdp.h:228
sdp_text_t * m_type_name
Media type name.
Definition: sdp.h:275
Unknown address type.
Definition: sdp.h:121
sdp_connection_t * m_connections
List of addresses used.
Definition: sdp.h:283
int z_number_of_adjustments
Number of adjustments in list.
Definition: sdp.h:187
char const * sdp_parsing_error(sdp_parser_t *p)
Get a parsing error message.
Definition: sdp_parse.c:229
Definition: sdp.h:247
sdp_zone_t * sdp_zone_dup(su_home_t *, sdp_zone_t const *)
Duplicate an SDP timezone structure.
Definition: sdp.c:290
Always generate media-level mode attributes.
Definition: sdp.h:526
unsigned m_rejected
Rejected media.
Definition: sdp.h:291
unsigned long m_port
Transport port number.
Definition: sdp.h:276
sdp_key_method_e k_method
Mechanism used to obtain key.
Definition: sdp.h:208
Internet.
Definition: sdp.h:115
unsigned m_mode
Inactive, recvonly, sendonly, sendrecv.
Definition: sdp.h:293
int sdp_attribute_replace(sdp_attribute_t **list, sdp_attribute_t *a, sdp_attribute_t **return_replaced)
Replace a attribute within a list of attributes.
Definition: sdp.c:1676
unsigned long t_start
Start time (seconds since 1900)
Definition: sdp.h:164
Description of repetition.
Definition: sdp.h:171
Image browsing sessions, e.g., JPIP or T.38.
Definition: sdp.h:232
sdp_connection_t * sdp_connection
Group (or member) address.
Definition: sdp.h:92
Key is included untransformed.
Definition: sdp.h:197
sdp_version_t sdp_version[1]
SDP version.
Definition: sdp.h:85
Definition: sdp.h:225
sdp_attribute_t * sdp_attribute_mapped_find(sdp_attribute_t const *a, char const *name, int pt, char **return_result)
Find a mapped attribute.
Definition: sdp.c:1618
sdp_media_t * sdp_media
Media descriptors.
Definition: sdp.h:98
SDP connection - host or group address.
Definition: sdp.h:127
sdp_text_t * m_proto_name
Transport protocol name.
Definition: sdp.h:279
int sdp_connection_cmp(sdp_connection_t const *, sdp_connection_t const *b)
Compare two connection fields.
Definition: sdp.c:1240
uint64_t o_id
Session identification.
Definition: sdp.h:106
Plain UDP.
Definition: sdp.h:242
sdp_rtpmap_t const *const sdp_rtpmap_well_known[128]
Table of rtpmap structures by payload type numbers.
Definition: sdp_parse.c:1454
Active time description.
Definition: sdp.h:160
Print buffer already contains a valid prefix.
Definition: sdp.h:514
int sdp_media_cmp(sdp_media_t const *, sdp_media_t const *)
Compare two media (m=) descriptions.
Definition: sdp.c:1441
sdp_bandwidth_t * sdp_bandwidths
Session bandwidth.
Definition: sdp.h:93
sdp_list_t * l_next
Next text entry in list.
Definition: sdp.h:301
Text list.
Definition: sdp.h:298
sdp_text_t * sdp_uri
URi of description.
Definition: sdp.h:89
uint64_t o_version
Version of session description.
Definition: sdp.h:107

Sofia-SIP 1.12.11devel - Copyright (C) 2006 Nokia Corporation. All rights reserved. Licensed under the terms of the GNU Lesser General Public License.