int
sdp_message_m_media_add (sdp_message_t * sdp, char *media, char *port, char *number_of_port, char *proto)
{
int i;
sdp_media_t *med;
i = sdp_media_init (&med);
if (i != 0)
return i;
med->m_media = media;
med->m_port = port;
med->m_number_of_port = number_of_port;
med->m_proto = proto;
osip_list_add (&sdp->m_medias, med, -1);
return OSIP_SUCCESS;
}
int test_add_codec(struct osip_rfc3264 *cnf, int codec_type,
int payload, char *attribute)
{
sdp_media_t *med;
sdp_attribute_t *attr;
char *tmp;
int i;
if (payload>127) return -1;
if (attribute==NULL || strlen(attribute)==0) return -1;
i = sdp_media_init(&med);
if (i!=0) goto error;
tmp = malloc(4);
snprintf(tmp, 3, "%i", payload);
med->m_proto = strdup("RTP/AVP");
osip_list_add(med->m_payloads, tmp, -1);
i = sdp_attribute_init (&attr);
if (i != 0)
return -1;
attr->a_att_field = strdup("rtpmap");
attr->a_att_value = strdup(attribute);
osip_list_add (med->a_attributes, attr, -1);
switch(codec_type)
{
case AUDIO_CODEC:
med->m_media = strdup("audio");
osip_rfc3264_add_audio_media(cnf, med, -1);
break;
case VIDEO_CODEC:
med->m_media = strdup("video");
osip_rfc3264_add_video_media(cnf, med, -1);
break;
}
return 0;
error:
return -1;
}
static int
sdp_message_parse_m (sdp_message_t * sdp, char *buf, char **next)
{
char *equal;
char *crlf;
char *tmp;
char *tmp_next;
int i;
sdp_media_t *m_header;
char *slash;
char *space;
*next = buf;
equal = buf;
while ((*equal != '=') && (*equal != '\0'))
equal++;
if (*equal == '\0')
return ERR_ERROR;
/* check if header is "m" */
if (equal[-1] != 'm')
return ERR_DISCARD;
crlf = equal + 1;
while ((*crlf != '\r') && (*crlf != '\n') && (*crlf != '\0'))
crlf++;
if (*crlf == '\0')
return ERR_ERROR;
if (crlf == equal + 1)
return ERR_ERROR; /* a=\r ?? bad header */
tmp = equal + 1;
i = sdp_media_init (&m_header);
if (i != 0)
return ERR_ERROR;
/* m=media port ["/"integer] proto *(payload_number) */
/* media is "audio" "video" "application" "data" or other... */
i = __osip_set_next_token (&(m_header->m_media), tmp, ' ', &tmp_next);
if (i != 0)
{
sdp_media_free (m_header);
return -1;
}
tmp = tmp_next;
slash = strchr (tmp, '/');
space = strchr (tmp, ' ');
if (space == NULL) /* not possible! */
{
sdp_media_free (m_header);
return ERR_ERROR;
}
if ((slash != NULL) && (slash < space))
{ /* a number of port is specified! */
i = __osip_set_next_token (&(m_header->m_port), tmp, '/', &tmp_next);
if (i != 0)
{
sdp_media_free (m_header);
return -1;
}
tmp = tmp_next;
i =
__osip_set_next_token (&(m_header->m_number_of_port), tmp, ' ',
&tmp_next);
if (i != 0)
{
sdp_media_free (m_header);
return -1;
}
tmp = tmp_next;
}
else
{
i = __osip_set_next_token (&(m_header->m_port), tmp, ' ', &tmp_next);
if (i != 0)
{
sdp_media_free (m_header);
return -1;
}
tmp = tmp_next;
}
i = __osip_set_next_token (&(m_header->m_proto), tmp, ' ', &tmp_next);
if (i != 0)
{
sdp_media_free (m_header);
return -1;
}
tmp = tmp_next;
{
char *str;
int more_space_before_crlf;
space = strchr (tmp + 1, ' ');
if (space == NULL)
more_space_before_crlf = 1;
else if ((space != NULL) && (space > crlf))
more_space_before_crlf = 1;
else
more_space_before_crlf = 0;
while (more_space_before_crlf == 0)
{
i = __osip_set_next_token (&str, tmp, ' ', &tmp_next);
if (i != 0)
{
sdp_media_free (m_header);
return -1;
}
tmp = tmp_next;
osip_list_add (m_header->m_payloads, str, -1);
space = strchr (tmp + 1, ' ');
if (space == NULL)
more_space_before_crlf = 1;
else if ((space != NULL) && (space > crlf))
more_space_before_crlf = 1;
else
more_space_before_crlf = 0;
}
if (tmp_next < crlf)
{ /* tmp_next is still less than clrf: no space */
i = __osip_set_next_token (&str, tmp, '\r', &tmp_next);
if (i != 0)
{
i = __osip_set_next_token (&str, tmp, '\n', &tmp_next);
if (i != 0)
{
sdp_media_free (m_header);
return -1;
}
}
osip_list_add (m_header->m_payloads, str, -1);
}
}
osip_list_add (sdp->m_medias, m_header, -1);
if (crlf[1] == '\n')
*next = crlf + 2;
else
*next = crlf + 1;
return WF;
}