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https://github.com/asterisk/asterisk.git
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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
/*
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* Asterisk -- An open source telephony toolkit.
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*
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* Copyright (C) 2017, Digium, Inc.
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*
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* Mark Michelson <mmichelson@digium.com>
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*
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* See http://www.asterisk.org for more information about
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* the Asterisk project. Please do not directly contact
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* any of the maintainers of this project for assistance;
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* the project provides a web site, mailing lists and IRC
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* channels for your use.
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*
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* This program is free software, distributed under the terms of
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* the GNU General Public License Version 2. See the LICENSE file
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* at the top of the source tree.
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*/
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#include "asterisk.h"
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#include "asterisk/sdp_priv.h"
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#include "asterisk/utils.h"
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struct ast_sdp *ast_sdp_alloc(void)
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{
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struct ast_sdp *new_sdp;
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new_sdp = ast_calloc(1, sizeof *new_sdp);
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return new_sdp;
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}
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static void free_o_line(struct ast_sdp *dead)
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{
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ast_free(dead->o_line.user);
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ast_free(dead->o_line.family);
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ast_free(dead->o_line.addr);
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}
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static void free_s_line(struct ast_sdp *dead)
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{
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ast_free(dead->s_line);
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}
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static void free_c_line(struct ast_sdp_c_line *c_line)
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{
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ast_free(c_line->family);
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ast_free(c_line->addr);
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}
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static void free_t_line(struct ast_sdp_t_line *t_line)
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{
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return;
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}
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static void free_a_line(struct ast_sdp_a_line *a_line)
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{
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ast_free(a_line->name);
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ast_free(a_line->value);
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}
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static void free_a_lines(struct ast_sdp_a_line_vector *a_lines)
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{
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int i;
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for (i = 0; i < AST_VECTOR_SIZE(a_lines); ++i) {
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free_a_line(AST_VECTOR_GET_ADDR(a_lines, i));
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}
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AST_VECTOR_FREE(a_lines);
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}
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static void free_m_line(struct ast_sdp_m_line *m_line)
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{
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int i;
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ast_free(m_line->type);
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ast_free(m_line->profile);
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free_c_line(&m_line->c_line);
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for (i = 0; i < AST_VECTOR_SIZE(&m_line->payloads); ++i) {
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ast_free(AST_VECTOR_GET(&m_line->payloads, i));
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}
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AST_VECTOR_FREE(&m_line->payloads);
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free_a_lines(&m_line->a_lines);
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}
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static void free_m_lines(struct ast_sdp *dead)
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{
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int i;
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for (i = 0; i < AST_VECTOR_SIZE(&dead->m_lines); ++i) {
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free_m_line(AST_VECTOR_GET_ADDR(&dead->m_lines, i));
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}
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AST_VECTOR_FREE(&dead->m_lines);
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}
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void ast_sdp_free(struct ast_sdp *dead)
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{
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if (!dead) {
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return;
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}
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free_o_line(dead);
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free_s_line(dead);
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free_c_line(&dead->c_line);
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free_t_line(&dead->t_line);
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free_a_lines(&dead->a_lines);
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free_m_lines(dead);
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ast_free(dead);
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}
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