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Wed Sep 3 14:37:06 EDT 2008 Pekka Pessi <first.last@nokia.com> 

* sdp: updated documentation



git-svn-id: http://svn.freeswitch.org/svn/freeswitch/trunk@9503 d0543943-73ff-0310-b7d9-9358b9ac24b2
This commit is contained in:
Michael Jerris 2008-09-10 16:19:45 +00:00
parent 39c13b1d5d
commit 46c7e09c4d
3 changed files with 74 additions and 30 deletions
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2
libs/sofia-sip/.update
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@ -1 +1 @@
Wed Sep 3 14:31:22 EDT 2008
Wed Sep 10 12:19:39 EDT 2008

70
libs/sofia-sip/libsofia-sip-ua/sdp/sdp.c
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@ -174,11 +174,14 @@ static sdp_media_t *media_dup_all(char **pp,
/**Duplicate an SDP origin description.
*
* The function sdp_origin_dup() duplicates (deeply copies) an SDP origin
* description @a o allocating memory using memory @a home.
* description @a o allocating memory using memory @a home.
*
* @param h Memory home
* @param o SDP origin description to be duplicated
*
* @note The duplicated structure is allocated using a single call to
* su_alloc() and it can be freed with su_free().
*
* @return
* If successful, a pointer to newly allocated sdp_origin_t structure is
* returned, otherwise NULL is returned.
@ -190,12 +193,15 @@ sdp_origin_t *sdp_origin_dup(su_home_t *h, sdp_origin_t const *o)
/**Duplicate an SDP connection description.
*
* The function sdp_connection_dup() duplicates (deeply copies) an SDP
* connection description @a c allocating memory using memory @a home.
* The function sdp_connection_dup() duplicates (deeply copies) a list of
* SDP connection description @a c allocating memory using memory @a home.
*
* @param h Memory home
* @param c SDP connection description to be duplicated
*
* @note The duplicated list is allocated using a single call to
* su_alloc() and it can be freed with su_free().
*
* @return
* If successful, a pointer to newly allocated sdp_connection_t structure is
* returned, otherwise NULL is returned.
@ -207,12 +213,15 @@ sdp_connection_t *sdp_connection_dup(su_home_t *h, sdp_connection_t const *c)
/**Duplicate an SDP bandwidth description.
*
* The function sdp_bandwidth_dup() duplicates (deeply copies) an SDP
* bandwidth description @a b allocating memory using memory @a home.
* The function sdp_bandwidth_dup() duplicates (deeply copies) a list of SDP
* bandwidth descriptions @a b allocating memory using memory @a home.
*
* @param h Memory home
* @param b SDP bandwidth description to be duplicated
*
* @note The duplicated list is allocated using a single call to
* su_alloc() and it can be freed with su_free().
*
* @return
* If successful, a pointer to newly allocated sdp_bandwidth_t structure is
* returned, otherwise NULL is returned.
@ -224,12 +233,15 @@ sdp_bandwidth_t *sdp_bandwidth_dup(su_home_t *h, sdp_bandwidth_t const *b)
/**Duplicate an SDP time description.
*
* The function sdp_time_dup() duplicates (deeply copies) an SDP time
* description @a t allocating memory using memory @a home.
* The function sdp_time_dup() duplicates (deeply copies) a list of SDP time
* descriptions @a t allocating memory using memory @a home.
*
* @param h Memory home
* @param t SDP time description to be duplicated
*
* @note The duplicated list is allocated using a single call to
* su_alloc() and it can be freed with su_free().
*
* @return
* If successful, a pointer to newly allocated sdp_time_t structure is
* returned, otherwise NULL is returned.
@ -242,11 +254,14 @@ sdp_time_t *sdp_time_dup(su_home_t *h, sdp_time_t const *t)
/**Duplicate an SDP repeat description.
*
* The function sdp_repeat_dup() duplicates (deeply copies) an SDP repeat
* description @a r allocating memory using memory @a home.
* description @a r allocating memory using memory @a home.
*
* @param h Memory home
* @param r SDP repeat description to be duplicated
*
* @note The duplicated structure is allocated using a single call to
* su_alloc() and it can be freed with su_free().
*
* @return
* If successful, a pointer to newly allocated sdp_repeat_t structure is
* returned, otherwise NULL is returned.
@ -259,11 +274,14 @@ sdp_repeat_t *sdp_repeat_dup(su_home_t *h, sdp_repeat_t const *r)
/**Duplicate an SDP zone description.
*
* The function sdp_zone_dup() duplicates (deeply copies) an SDP zone
* description @a z allocating memory using memory @a home.
* description @a z allocating memory using memory @a home.
*
* @param h Memory home
* @param z SDP zone description to be duplicated
*
* @note The duplicated structure is allocated using a single call to
* su_alloc() and it can be freed with su_free().
*
* @return
* If successful, a pointer to newly allocated sdp_zone_t structure is
* returned, otherwise NULL is returned.
@ -276,11 +294,14 @@ sdp_zone_t *sdp_zone_dup(su_home_t *h, sdp_zone_t const *z)
/**Duplicate an SDP key description.
*
* The function sdp_key_dup() duplicates (deeply copies) an SDP key
* description @a k allocating memory using memory @a home.
* description @a k allocating memory using memory @a home.
*
* @param h Memory home
* @param k SDP key description to be duplicated
*
* @note The duplicated structure is allocated using a single call to
* su_alloc() and it can be freed with su_free().
*
* @return
* If successful, a pointer to newly allocated sdp_key_t structure is
* returned, otherwise NULL is returned.
@ -298,6 +319,9 @@ sdp_key_t *sdp_key_dup(su_home_t *h, sdp_key_t const *k)
* @param h Memory home
* @param a SDP attribute description to be duplicated
*
* @note The duplicated structure is allocated using a single call to
* su_alloc() and it can be freed with su_free().
*
* @return
* If successful, a pointer to newly allocated sdp_attribute_t structure is
* returned, otherwise NULL is returned.
@ -315,6 +339,9 @@ sdp_attribute_t *sdp_attribute_dup(su_home_t *h, sdp_attribute_t const *a)
* @param h Memory home
* @param l SDP list description to be duplicated
*
* @note The duplicated structure is allocated using a single call to
* su_alloc() and it can be freed with su_free().
*
* @return
* If successful, a pointer to newly allocated sdp_list_t structure is
* returned, otherwise NULL is returned.
@ -332,6 +359,9 @@ sdp_list_t *sdp_list_dup(su_home_t *h, sdp_list_t const *l)
* @param h Memory home
* @param rm SDP rtpmap description to be duplicated
*
* @note The duplicated structure is allocated using a single call to
* su_alloc() and it can be freed with su_free().
*
* @return
* If successful, a pointer to newly allocated sdp_rtpmap_t structure is
* returned, otherwise NULL is returned.
@ -344,13 +374,16 @@ sdp_rtpmap_t *sdp_rtpmap_dup(su_home_t *h, sdp_rtpmap_t const *rm)
/**Duplicate an SDP media description.
*
* The function sdp_media_dup() duplicates (deeply copies) an SDP media
* description @a m allocating memory using memory @a home.
* description @a m allocating memory using memory @a home.
*
* @param h Memory home
* @param m SDP media description to be duplicated
* @param sdp SDP session description to which the newly allocated
* media description is linked
*
* @note The duplicated structure is allocated using a single call to
* su_alloc() and it can be freed with su_free().
*
* @return
* If successful, a pointer to newly allocated sdp_media_t structure is
* returned, otherwise NULL is returned.
@ -369,13 +402,16 @@ sdp_media_t *sdp_media_dup(su_home_t *h, sdp_media_t const *m,
/**Duplicate an SDP media description.
*
* The function sdp_media_dup_all() duplicates (deeply copies) a list of SDP
* media descriptions @a m allocating memory using memory @a home.
* media descriptions @a m allocating memory using memory @a home.
*
* @param h Memory home
* @param m list of SDP media descriptions to be duplicated
* @param sdp SDP session description to which the newly allocated
* media descriptions are linked
*
* @note The duplicated list is allocated using a single call to
* su_alloc() and it can be freed with su_free().
*
* @return
* If successful, a pointer to a newly allocated list of sdp_media_t
* structures is returned, otherwise NULL is returned.
@ -944,11 +980,14 @@ sdp_session_t *session_dup(char **pp, sdp_session_t const *src)
/**Duplicate an SDP session description.
*
* The function sdp_session_dup() duplicates (deeply copies) an SDP
* session description @a sdp allocating memory using memory @a home.
* session description @a sdp allocating memory using memory @a home.
*
* @param h Memory home
* @param sdp SDP session description to be duplicated
*
* @note The duplicated structure is allocated using a single call to
* su_alloc() and it can be freed with su_free().
*
* @return
* If successful, a pointer to newly allocated sdp_session_t structure is
* returned, otherwise NULL is returned.
@ -1017,12 +1056,15 @@ typedef sdp_session_t sdp_session_without_media_t;
/**Duplicate an SDP session description without media descriptions.
*
* The function sdp_session_dup() duplicates (deeply copies) an SDP session
* description @a sdp allocating memory using memory @a home. It does not
* description @a sdp allocating memory using memory @a home. It does not
* copy the media descriptions, however.
*
* @param h memory h
* @param sdp SDP session description to be duplicated
*
* @note The duplicated structure is allocated using a single call to
* su_alloc() and it can be freed with su_free().
*
* @return
* If successful, a pointer to newly allocated sdp_session_t structure is
* returned, otherwise NULL is returned.

32
libs/sofia-sip/libsofia-sip-ua/sdp/sofia-sip/sdp.h
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@ -229,7 +229,8 @@ typedef enum
sdp_media_data, /**< Bulk data transfer */
sdp_media_control, /**< Additional conference control */
sdp_media_message, /**< Messaging sessions*/
sdp_media_image, /**< Image browsing sessions for JPIP, and T.38 */
sdp_media_image, /**< Image browsing sessions,
* e.g., JPIP or T.38. */
sdp_media_red /**< Redundancy. @NEW_1_12_4. */
} sdp_media_e;
@ -334,31 +335,31 @@ sdp_origin_t *sdp_origin_dup(su_home_t *, sdp_origin_t const *);
/** Duplicate an SDP connection structure. */
SOFIAPUBFUN
sdp_connection_t *sdp_connection_dup(su_home_t *home, sdp_connection_t const *);
sdp_connection_t *sdp_connection_dup(su_home_t *, sdp_connection_t const *);
/** Duplicate an SDP bandwidth structure. */
SOFIAPUBFUN
sdp_bandwidth_t *sdp_bandwidth_dup(su_home_t *home, sdp_bandwidth_t const *);
sdp_bandwidth_t *sdp_bandwidth_dup(su_home_t *, sdp_bandwidth_t const *);
/** Duplicate an SDP time structure. */
SOFIAPUBFUN
sdp_time_t *sdp_time_dup(su_home_t *home, sdp_time_t const *);
sdp_time_t *sdp_time_dup(su_home_t *, sdp_time_t const *);
/** Duplicate an SDP repeat structure. */
SOFIAPUBFUN
sdp_repeat_t *sdp_repeat_dup(su_home_t *home, sdp_repeat_t const *);
sdp_repeat_t *sdp_repeat_dup(su_home_t *, sdp_repeat_t const *);
/** Duplicate an SDP timezone structure. */
SOFIAPUBFUN
sdp_zone_t *sdp_zone_dup(su_home_t *home, sdp_zone_t const *);
sdp_zone_t *sdp_zone_dup(su_home_t *, sdp_zone_t const *);
/** Duplicate an SDP key structure. */
SOFIAPUBFUN
sdp_key_t *sdp_key_dup(su_home_t *home, sdp_key_t const *);
sdp_key_t *sdp_key_dup(su_home_t *, sdp_key_t const *);
/** Duplicate an SDP attribute structure. */
SOFIAPUBFUN
sdp_attribute_t *sdp_attribute_dup(su_home_t *home, sdp_attribute_t const *);
sdp_attribute_t *sdp_attribute_dup(su_home_t *, sdp_attribute_t const *);
/** Duplicate an SDP media description structure. */
SOFIAPUBFUN
@ -372,11 +373,11 @@ sdp_media_t *sdp_media_dup_all(su_home_t *, sdp_media_t const *,
/** Duplicate a list structure. */
SOFIAPUBFUN
sdp_list_t *sdp_list_dup(su_home_t *home, sdp_list_t const *);
sdp_list_t *sdp_list_dup(su_home_t *, sdp_list_t const *);
/** Duplicate an rtpmap structure. */
SOFIAPUBFUN
sdp_rtpmap_t *sdp_rtpmap_dup(su_home_t *home, sdp_rtpmap_t const *);
sdp_rtpmap_t *sdp_rtpmap_dup(su_home_t *, sdp_rtpmap_t const *);
/** Compare two session descriptions. */
SOFIAPUBFUN int sdp_session_cmp(sdp_session_t const *a,
@ -450,13 +451,13 @@ SOFIAPUBFUN sdp_attribute_t *sdp_attribute_by_mode(su_home_t *,
/** Find a mapped attribute. */
SOFIAPUBFUN
sdp_attribute_t *sdp_attribute_mapped_find(sdp_attribute_t const *a,
char const *name,
sdp_attribute_t *sdp_attribute_mapped_find(sdp_attribute_t const *a,
char const *name,
int pt, char **return_result);
/** Append a attribute to a list of attributes. */
SOFIAPUBFUN void sdp_attribute_append(sdp_attribute_t **list,
sdp_attribute_t const *a);
sdp_attribute_t const *a);
/** Replace a attribute within a list of attributes. */
SOFIAPUBFUN int sdp_attribute_replace(sdp_attribute_t **list,
@ -546,8 +547,9 @@ SOFIAPUBFUN su_home_t *sdp_parser_home(sdp_parser_t *);
typedef struct sdp_printer_s sdp_printer_t;
typedef sdp_printer_t *sdp_printer;
SOFIAPUBFUN sdp_printer_t *sdp_print(su_home_t *, sdp_session_t const *session,
char msgbuf[], isize_t maxmsgsize, int flags);
SOFIAPUBFUN sdp_printer_t *sdp_print(su_home_t *, sdp_session_t const *,
char msgbuf[], isize_t maxmsgsize,
int flags);
SOFIAPUBFUN char const *sdp_printing_error(sdp_printer_t *p);
SOFIAPUBFUN char const *sdp_message(sdp_printer_t *p);
SOFIAPUBFUN isize_t sdp_message_size(sdp_printer_t *p);