/**
* Set codec priority. The codec priority determines the order of
* the codec in the SDP created by the endpoint. If more than one codecs
* are found with the same codec_id prefix, then the function sets the
* priorities of all those codecs.
*/
PJ_DEF(pj_status_t) pjmedia_codec_mgr_set_codec_priority(
pjmedia_codec_mgr *mgr,
const pj_str_t *codec_id,
pj_uint8_t prio)
{
unsigned i, found = 0;
PJ_ASSERT_RETURN(mgr && codec_id, PJ_EINVAL);
pj_mutex_lock(mgr->mutex);
/* Update the priorities of affected codecs */
for (i=0; i<mgr->codec_cnt; ++i)
{
if (codec_id->slen == 0 ||
pj_strnicmp2(codec_id, mgr->codec_desc[i].id,
codec_id->slen) == 0)
{
mgr->codec_desc[i].prio = (pjmedia_codec_priority) prio;
++found;
}
}
if (!found) {
pj_mutex_unlock(mgr->mutex);
return PJ_ENOTFOUND;
}
/* Re-sort codecs */
sort_codecs(mgr);
pj_mutex_unlock(mgr->mutex);
return PJ_SUCCESS;
}
/*
* Find codecs by the unique codec identifier. This function will find
* all codecs that match the codec identifier prefix. For example, if
* "L16" is specified, then it will find "L16/8000/1", "L16/16000/1",
* and so on, up to the maximum count specified in the argument.
*/
PJ_DEF(pj_status_t) pjmedia_codec_mgr_find_codecs_by_id( pjmedia_codec_mgr *mgr,
const pj_str_t *codec_id,
unsigned *count,
const pjmedia_codec_info *p_info[],
unsigned prio[])
{
unsigned i, found = 0;
PJ_ASSERT_RETURN(mgr && codec_id && count && *count, PJ_EINVAL);
for (i=0; i<mgr->codec_cnt; ++i) {
if (codec_id->slen == 0 ||
pj_strnicmp2(codec_id, mgr->codec_desc[i].id,
codec_id->slen) == 0)
{
if (p_info)
p_info[found] = &mgr->codec_desc[i].info;
if (prio)
prio[found] = mgr->codec_desc[i].prio;
++found;
if (found >= *count)
break;
}
}
*count = found;
return found ? PJ_SUCCESS : PJ_ENOTFOUND;
}
/* Comparison function to find node name substring */
static pj_bool_t substring_match(const pj_xml_node *node,
const char *part_name,
pj_ssize_t part_len)
{
pj_str_t end_name;
if (part_len < 1)
part_len = pj_ansi_strlen(part_name);
if (node->name.slen < part_len)
return PJ_FALSE;
end_name.ptr = node->name.ptr + (node->name.slen - part_len);
end_name.slen = part_len;
return pj_strnicmp2(&end_name, part_name, part_len)==0;
}
/*!
* \internal
* \brief Implements PJSIP_HEADER 'remove' by finding the specified header and removing it.
*
* Retrieve the header_datastore from the session. Fail if it doesn't exist.
* If the header_name is exactly '*', the entire list is simply destroyed.
* Otherwise search the list for the matching header name which may be a partial name.
*/
static int remove_header(void *obj)
{
struct header_data *data = obj;
size_t len = strlen(data->header_name);
struct hdr_list *list;
struct hdr_list_entry *le;
int removed_count = 0;
RAII_VAR(struct ast_datastore *, datastore,
ast_sip_session_get_datastore(data->channel->session, header_datastore.type),
ao2_cleanup);
if (!datastore || !datastore->data) {
ast_log(AST_LOG_ERROR, "No headers had been previously added to this session.\n");
return -1;
}
list = datastore->data;
AST_LIST_TRAVERSE_SAFE_BEGIN(list, le, nextptr) {
if (data->header_name[len - 1] == '*') {
if (pj_strnicmp2(&le->hdr->name, data->header_name, len - 1) == 0) {
AST_LIST_REMOVE_CURRENT(nextptr);
removed_count++;
}
} else {
if (pj_stricmp2(&le->hdr->name, data->header_name) == 0) {
AST_LIST_REMOVE_CURRENT(nextptr);
removed_count++;
}
}
}
AST_LIST_TRAVERSE_SAFE_END;
if (data->buf && data->len) {
snprintf(data->buf, data->len, "%d", removed_count);
}
return 0;
}
//
// Compare string.
//
int strnicmp(const char *s, pj_size_t len) const
{
return pj_strnicmp2(this, s, len);
}