/*
* Create with remote offer and initial local offer/answer.
*/
PJ_DEF(pj_status_t) pjmedia_sdp_neg_create_w_remote_offer(pj_pool_t *pool,
const pjmedia_sdp_session *initial,
const pjmedia_sdp_session *remote,
pjmedia_sdp_neg **p_neg)
{
pjmedia_sdp_neg *neg;
pj_status_t status;
/* Check arguments are valid. */
PJ_ASSERT_RETURN(pool && remote && p_neg, PJ_EINVAL);
*p_neg = NULL;
/* Validate remote offer and initial answer */
status = pjmedia_sdp_validate2(remote, PJ_FALSE);
if (status != PJ_SUCCESS)
return status;
/* Create and initialize negotiator. */
neg = PJ_POOL_ZALLOC_T(pool, pjmedia_sdp_neg);
PJ_ASSERT_RETURN(neg != NULL, PJ_ENOMEM);
neg->prefer_remote_codec_order = PJMEDIA_SDP_NEG_PREFER_REMOTE_CODEC_ORDER;
neg->neg_remote_sdp = pjmedia_sdp_session_clone(pool, remote);
if (initial) {
PJ_ASSERT_RETURN((status=pjmedia_sdp_validate(initial))==PJ_SUCCESS,
status);
neg->initial_sdp = pjmedia_sdp_session_clone(pool, initial);
neg->neg_local_sdp = pjmedia_sdp_session_clone(pool, initial);
neg->state = PJMEDIA_SDP_NEG_STATE_WAIT_NEGO;
} else {
neg->state = PJMEDIA_SDP_NEG_STATE_REMOTE_OFFER;
}
*p_neg = neg;
return PJ_SUCCESS;
}
/* Validate SDP session descriptor. */
PJ_DEF(pj_status_t) pjmedia_sdp_validate(const pjmedia_sdp_session *sdp)
{
return pjmedia_sdp_validate2(sdp, PJ_TRUE);
}
