/**
* 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;
}
/*
* Register a codec factory.
*/
PJ_DEF(pj_status_t) pjmedia_codec_mgr_register_factory( pjmedia_codec_mgr *mgr,
pjmedia_codec_factory *factory)
{
pjmedia_codec_info info[PJMEDIA_CODEC_MGR_MAX_CODECS];
unsigned i, count;
pj_status_t status;
PJ_ASSERT_RETURN(mgr && factory, PJ_EINVAL);
/* Since 2.0 we require codec factory to implement "destroy" op. Please
* see: https://trac.pjsip.org/repos/ticket/1294
*
* Really! Please do see it.
*/
PJ_ASSERT_RETURN(factory->op->destroy != NULL, PJ_ENOTSUP);
/* Enum codecs */
count = PJ_ARRAY_SIZE(info);
status = factory->op->enum_info(factory, &count, info);
if (status != PJ_SUCCESS)
return status;
pj_mutex_lock(mgr->mutex);
/* Check codec count */
if (count + mgr->codec_cnt > PJ_ARRAY_SIZE(mgr->codec_desc)) {
pj_mutex_unlock(mgr->mutex);
return PJ_ETOOMANY;
}
/* Save the codecs */
for (i=0; i<count; ++i) {
pj_memcpy( &mgr->codec_desc[mgr->codec_cnt+i],
&info[i], sizeof(pjmedia_codec_info));
mgr->codec_desc[mgr->codec_cnt+i].prio = PJMEDIA_CODEC_PRIO_NORMAL;
mgr->codec_desc[mgr->codec_cnt+i].factory = factory;
pjmedia_codec_info_to_id( &info[i],
mgr->codec_desc[mgr->codec_cnt+i].id,
sizeof(pjmedia_codec_id));
}
/* Update count */
mgr->codec_cnt += count;
/* Re-sort codec based on priorities */
sort_codecs(mgr);
/* Add factory to the list */
pj_list_push_back(&mgr->factory_list, factory);
pj_mutex_unlock(mgr->mutex);
return PJ_SUCCESS;
}
/*
* Register a codec factory.
*/
PJ_DEF(pj_status_t) pjmedia_vid_codec_mgr_register_factory(
pjmedia_vid_codec_mgr *mgr,
pjmedia_vid_codec_factory *factory)
{
pjmedia_vid_codec_info info[PJMEDIA_CODEC_MGR_MAX_CODECS];
unsigned i, count;
pj_status_t status;
PJ_ASSERT_RETURN(factory, PJ_EINVAL);
if (!mgr) mgr = def_vid_codec_mgr;
PJ_ASSERT_RETURN(mgr, PJ_EINVAL);
/* Enum codecs */
count = PJ_ARRAY_SIZE(info);
status = factory->op->enum_info(factory, &count, info);
if (status != PJ_SUCCESS)
return status;
pj_mutex_lock(mgr->mutex);
/* Check codec count */
if (count + mgr->codec_cnt > PJ_ARRAY_SIZE(mgr->codec_desc)) {
pj_mutex_unlock(mgr->mutex);
return PJ_ETOOMANY;
}
/* Save the codecs */
for (i=0; i<count; ++i) {
pj_memcpy( &mgr->codec_desc[mgr->codec_cnt+i],
&info[i], sizeof(pjmedia_vid_codec_info));
mgr->codec_desc[mgr->codec_cnt+i].prio = PJMEDIA_CODEC_PRIO_NORMAL;
mgr->codec_desc[mgr->codec_cnt+i].factory = factory;
pjmedia_vid_codec_info_to_id( &info[i],
mgr->codec_desc[mgr->codec_cnt+i].id,
sizeof(pjmedia_codec_id));
}
/* Update count */
mgr->codec_cnt += count;
/* Re-sort codec based on priorities */
sort_codecs(mgr);
/* Add factory to the list */
pj_list_push_back(&mgr->factory_list, factory);
pj_mutex_unlock(mgr->mutex);
return PJ_SUCCESS;
}
