mirror of
https://github.com/asterisk/asterisk.git
synced 2025-11-01 19:43:03 +00:00
5a130b2e17
This creates the following: * Asterisk's internal representation of an SDP * An API for translating SDPs from one format to another * An implementation of a translator for PJMEDIA Change-Id: Ie2ecd3cbebe76756577be9b133e84d2ee356d46b
112 lines
2.2 KiB
C
112 lines
2.2 KiB
C
/*
|
|
* Asterisk -- An open source telephony toolkit.
|
|
*
|
|
* Copyright (C) 2017, Digium, Inc.
|
|
*
|
|
* Mark Michelson <mmichelson@digium.com>
|
|
*
|
|
* See http://www.asterisk.org for more information about
|
|
* the Asterisk project. Please do not directly contact
|
|
* any of the maintainers of this project for assistance;
|
|
* the project provides a web site, mailing lists and IRC
|
|
* channels for your use.
|
|
*
|
|
* This program is free software, distributed under the terms of
|
|
* the GNU General Public License Version 2. See the LICENSE file
|
|
* at the top of the source tree.
|
|
*/
|
|
|
|
#include "asterisk.h"
|
|
#include "asterisk/sdp_priv.h"
|
|
#include "asterisk/utils.h"
|
|
|
|
struct ast_sdp *ast_sdp_alloc(void)
|
|
{
|
|
struct ast_sdp *new_sdp;
|
|
|
|
new_sdp = ast_calloc(1, sizeof *new_sdp);
|
|
return new_sdp;
|
|
}
|
|
|
|
static void free_o_line(struct ast_sdp *dead)
|
|
{
|
|
ast_free(dead->o_line.user);
|
|
ast_free(dead->o_line.family);
|
|
ast_free(dead->o_line.addr);
|
|
}
|
|
|
|
static void free_s_line(struct ast_sdp *dead)
|
|
{
|
|
ast_free(dead->s_line);
|
|
}
|
|
|
|
static void free_c_line(struct ast_sdp_c_line *c_line)
|
|
{
|
|
ast_free(c_line->family);
|
|
ast_free(c_line->addr);
|
|
}
|
|
|
|
static void free_t_line(struct ast_sdp_t_line *t_line)
|
|
{
|
|
return;
|
|
}
|
|
|
|
static void free_a_line(struct ast_sdp_a_line *a_line)
|
|
{
|
|
ast_free(a_line->name);
|
|
ast_free(a_line->value);
|
|
}
|
|
|
|
static void free_a_lines(struct ast_sdp_a_line_vector *a_lines)
|
|
{
|
|
int i;
|
|
|
|
for (i = 0; i < AST_VECTOR_SIZE(a_lines); ++i) {
|
|
free_a_line(AST_VECTOR_GET_ADDR(a_lines, i));
|
|
}
|
|
AST_VECTOR_FREE(a_lines);
|
|
}
|
|
|
|
static void free_m_line(struct ast_sdp_m_line *m_line)
|
|
{
|
|
int i;
|
|
|
|
ast_free(m_line->type);
|
|
ast_free(m_line->profile);
|
|
free_c_line(&m_line->c_line);
|
|
|
|
for (i = 0; i < AST_VECTOR_SIZE(&m_line->payloads); ++i) {
|
|
ast_free(AST_VECTOR_GET(&m_line->payloads, i));
|
|
}
|
|
AST_VECTOR_FREE(&m_line->payloads);
|
|
|
|
free_a_lines(&m_line->a_lines);
|
|
}
|
|
|
|
static void free_m_lines(struct ast_sdp *dead)
|
|
{
|
|
int i;
|
|
|
|
for (i = 0; i < AST_VECTOR_SIZE(&dead->m_lines); ++i) {
|
|
free_m_line(AST_VECTOR_GET_ADDR(&dead->m_lines, i));
|
|
}
|
|
|
|
AST_VECTOR_FREE(&dead->m_lines);
|
|
}
|
|
|
|
void ast_sdp_free(struct ast_sdp *dead)
|
|
{
|
|
if (!dead) {
|
|
return;
|
|
}
|
|
|
|
free_o_line(dead);
|
|
free_s_line(dead);
|
|
free_c_line(&dead->c_line);
|
|
free_t_line(&dead->t_line);
|
|
free_a_lines(&dead->a_lines);
|
|
free_m_lines(dead);
|
|
ast_free(dead);
|
|
}
|
|
|