void Sdp::setActiveLocalSdpSession(const pjmedia_sdp_session *sdp)
{
activeLocalSession_ = (pjmedia_sdp_session*) sdp;
if (activeLocalSession_->media_count < 1)
return;
pjmedia_sdp_media *current = activeLocalSession_->media[0];
for (unsigned j = 0; j < current->desc.fmt_count; j++) {
static const pj_str_t STR_RTPMAP = { (char*) "rtpmap", 6 };
pjmedia_sdp_attr *attribute = pjmedia_sdp_media_find_attr(current, &STR_RTPMAP, NULL);
if (!attribute) {
sessionAudioMedia_.clear();
return;
}
pjmedia_sdp_rtpmap *rtpmap;
pjmedia_sdp_attr_to_rtpmap(memPool_, attribute, &rtpmap);
sfl::Codec *codec = Manager::instance().audioCodecFactory.getCodec((int) pj_strtoul(&rtpmap->pt));
if (!codec) {
sessionAudioMedia_.clear();
return;
}
sessionAudioMedia_.push_back(codec);
}
}
/* Validate SDP session descriptor. */
PJ_DEF(pj_status_t) pjmedia_sdp_validate(const pjmedia_sdp_session *sdp)
{
unsigned i;
const pj_str_t STR_RTPMAP = { "rtpmap", 6 };
CHECK( sdp != NULL, PJ_EINVAL);
/* Validate origin line. */
CHECK( sdp->origin.user.slen != 0, PJMEDIA_SDP_EINORIGIN);
CHECK( pj_strcmp2(&sdp->origin.net_type, "IN")==0,
PJMEDIA_SDP_EINORIGIN);
CHECK( pj_strcmp2(&sdp->origin.addr_type, "IP4")==0 ||
pj_strcmp2(&sdp->origin.addr_type, "IP6")==0,
PJMEDIA_SDP_EINORIGIN);
CHECK( sdp->origin.addr.slen != 0, PJMEDIA_SDP_EINORIGIN);
/* Validate subject line. */
CHECK( sdp->name.slen != 0, PJMEDIA_SDP_EINNAME);
/* Ignore start and stop time. */
/* If session level connection info is present, validate it. */
if (sdp->conn) {
pj_status_t status = validate_sdp_conn(sdp->conn);
if (status != PJ_SUCCESS)
return status;
}
/* Validate each media. */
for (i=0; i<sdp->media_count; ++i) {
const pjmedia_sdp_media *m = sdp->media[i];
unsigned j;
/* Validate the m= line. */
CHECK( m->desc.media.slen != 0, PJMEDIA_SDP_EINMEDIA);
CHECK( m->desc.transport.slen != 0, PJMEDIA_SDP_EINMEDIA);
CHECK( m->desc.fmt_count != 0 || m->desc.port==0, PJMEDIA_SDP_ENOFMT);
/* If media level connection info is present, validate it. */
if (m->conn) {
pj_status_t status = validate_sdp_conn(m->conn);
if (status != PJ_SUCCESS)
return status;
}
/* If media doesn't have connection info, then connection info
* must be present in the session.
*/
if (m->conn == NULL) {
if (sdp->conn == NULL)
return PJMEDIA_SDP_EMISSINGCONN;
}
/* Verify payload type. */
for (j=0; j<m->desc.fmt_count; ++j) {
/* Arrgh noo!! Payload type can be non-numeric!!
* RTC based programs sends "null" for instant messaging!
*/
if (pj_isdigit(*m->desc.fmt[j].ptr)) {
unsigned pt = pj_strtoul(&m->desc.fmt[j]);
/* Payload type is between 0 and 127.
*/
CHECK( pt <= 127, PJMEDIA_SDP_EINPT);
/* If port is not zero, then for each dynamic payload type, an
* rtpmap attribute must be specified.
*/
if (m->desc.port != 0 && pt >= 96) {
const pjmedia_sdp_attr *a;
a = pjmedia_sdp_media_find_attr(m, &STR_RTPMAP,
&m->desc.fmt[j]);
CHECK( a != NULL, PJMEDIA_SDP_EMISSINGRTPMAP);
}
}
}
}
/* Looks good. */
return PJ_SUCCESS;
}
static pj_status_t transport_media_start(pjmedia_transport *tp,
pj_pool_t *pool,
const pjmedia_sdp_session *sdp_local,
const pjmedia_sdp_session *sdp_remote,
unsigned media_index)
{
struct transport_srtp *srtp = (struct transport_srtp*) tp;
pjmedia_sdp_media *m_rem, *m_loc;
pj_status_t status;
unsigned i;
PJ_ASSERT_RETURN(tp && pool && sdp_local && sdp_remote, PJ_EINVAL);
if (srtp->bypass_srtp)
goto BYPASS_SRTP;
m_rem = sdp_remote->media[media_index];
m_loc = sdp_local->media[media_index];
if (pj_stricmp(&m_rem->desc.transport, &ID_RTP_SAVP) == 0)
srtp->peer_use = PJMEDIA_SRTP_MANDATORY;
else
srtp->peer_use = PJMEDIA_SRTP_OPTIONAL;
/* For answerer side, this function will just have to start SRTP */
/* Check remote media transport & set local media transport
* based on SRTP usage option.
*/
if (srtp->offerer_side) {
if (srtp->setting.use == PJMEDIA_SRTP_DISABLED) {
if (pjmedia_sdp_media_find_attr(m_rem, &ID_CRYPTO, NULL)) {
DEACTIVATE_MEDIA(pool, m_loc);
return PJMEDIA_SRTP_ESDPINCRYPTO;
}
goto BYPASS_SRTP;
} else if (srtp->setting.use == PJMEDIA_SRTP_OPTIONAL) {
// Regardless the answer's transport type (RTP/AVP or RTP/SAVP),
// the answer must be processed through in optional mode.
// Please note that at this point transport type is ensured to be
// RTP/AVP or RTP/SAVP, see transport_media_create()
//if (pj_stricmp(&m_rem->desc.transport, &m_loc->desc.transport)) {
//DEACTIVATE_MEDIA(pool, m_loc);
//return PJMEDIA_SDP_EINPROTO;
//}
} else if (srtp->setting.use == PJMEDIA_SRTP_MANDATORY) {
if (pj_stricmp(&m_rem->desc.transport, &ID_RTP_SAVP)) {
DEACTIVATE_MEDIA(pool, m_loc);
return PJMEDIA_SDP_EINPROTO;
}
}
}
if (srtp->offerer_side) {
/* find supported crypto-suite, get the tag, and assign policy_local */
pjmedia_srtp_crypto tmp_tx_crypto;
pj_bool_t has_crypto_attr = PJ_FALSE;
int rem_tag;
for (i=0; i<m_rem->attr_count; ++i) {
if (pj_stricmp(&m_rem->attr[i]->name, &ID_CRYPTO) != 0)
continue;
/* more than one crypto attribute in media answer */
if (has_crypto_attr) {
DEACTIVATE_MEDIA(pool, m_loc);
return PJMEDIA_SRTP_ESDPAMBIGUEANS;
}
has_crypto_attr = PJ_TRUE;
status = parse_attr_crypto(srtp->pool, m_rem->attr[i],
&tmp_tx_crypto, &rem_tag);
if (status != PJ_SUCCESS)
return status;
/* our offer tag is always ordered by setting */
if (rem_tag < 1 || rem_tag > (int)srtp->setting.crypto_count) {
DEACTIVATE_MEDIA(pool, m_loc);
return PJMEDIA_SRTP_ESDPINCRYPTOTAG;
}
/* match the crypto name */
if (pj_stricmp(&tmp_tx_crypto.name,
&srtp->setting.crypto[rem_tag-1].name) != 0)
{
DEACTIVATE_MEDIA(pool, m_loc);
return PJMEDIA_SRTP_ECRYPTONOTMATCH;
}
srtp->tx_policy_neg = srtp->setting.crypto[rem_tag-1];
srtp->rx_policy_neg = tmp_tx_crypto;
}
if (srtp->setting.use == PJMEDIA_SRTP_DISABLED) {
/* should never reach here */
goto BYPASS_SRTP;
} else if (srtp->setting.use == PJMEDIA_SRTP_OPTIONAL) {
if (!has_crypto_attr)
goto BYPASS_SRTP;
} else if (srtp->setting.use == PJMEDIA_SRTP_MANDATORY) {
if (!has_crypto_attr) {
DEACTIVATE_MEDIA(pool, m_loc);
return PJMEDIA_SRTP_ESDPREQCRYPTO;
}
}
/* At this point, we get valid rx_policy_neg & tx_policy_neg. */
}
/* Reset probation counts */
srtp->probation_cnt = PROBATION_CNT_INIT;
/* Got policy_local & policy_remote, let's initalize the SRTP */
status = pjmedia_transport_srtp_start(tp, &srtp->tx_policy_neg, &srtp->rx_policy_neg);
if (status != PJ_SUCCESS)
return status;
goto PROPAGATE_MEDIA_START;
BYPASS_SRTP:
srtp->bypass_srtp = PJ_TRUE;
srtp->peer_use = PJMEDIA_SRTP_DISABLED;
PROPAGATE_MEDIA_START:
return pjmedia_transport_media_start(srtp->member_tp, pool,
sdp_local, sdp_remote,
media_index);
}
static pj_status_t transport_encode_sdp(pjmedia_transport *tp,
pj_pool_t *sdp_pool,
pjmedia_sdp_session *sdp_local,
const pjmedia_sdp_session *sdp_remote,
unsigned media_index)
{
struct transport_srtp *srtp = (struct transport_srtp*) tp;
pjmedia_sdp_media *m_rem, *m_loc;
enum { MAXLEN = 512 };
char buffer[MAXLEN];
int buffer_len;
pj_status_t status;
pjmedia_sdp_attr *attr;
pj_str_t attr_value;
unsigned i, j;
PJ_ASSERT_RETURN(tp && sdp_pool && sdp_local, PJ_EINVAL);
srtp->offerer_side = sdp_remote == NULL;
m_rem = sdp_remote ? sdp_remote->media[media_index] : NULL;
m_loc = sdp_local->media[media_index];
/* Bypass if media transport is not RTP/AVP or RTP/SAVP */
if (pj_stricmp(&m_loc->desc.transport, &ID_RTP_AVP) != 0 &&
pj_stricmp(&m_loc->desc.transport, &ID_RTP_SAVP) != 0)
goto BYPASS_SRTP;
/* If the media is inactive, do nothing. */
if (pjmedia_sdp_media_find_attr(m_loc, &ID_INACTIVE, NULL) ||
(m_rem && pjmedia_sdp_media_find_attr(m_rem, &ID_INACTIVE, NULL)))
goto BYPASS_SRTP;
/* Check remote media transport & set local media transport
* based on SRTP usage option.
*/
if (srtp->offerer_side) {
/* Generate transport */
switch (srtp->setting.use) {
case PJMEDIA_SRTP_DISABLED:
goto BYPASS_SRTP;
case PJMEDIA_SRTP_OPTIONAL:
m_loc->desc.transport =
(srtp->peer_use == PJMEDIA_SRTP_MANDATORY)?
ID_RTP_SAVP : ID_RTP_AVP;
break;
case PJMEDIA_SRTP_MANDATORY:
m_loc->desc.transport = ID_RTP_SAVP;
break;
}
/* Generate crypto attribute if not yet */
if (pjmedia_sdp_media_find_attr(m_loc, &ID_CRYPTO, NULL) == NULL) {
for (i=0; i<srtp->setting.crypto_count; ++i) {
/* Offer crypto-suites based on setting. */
buffer_len = MAXLEN;
status = generate_crypto_attr_value(srtp->pool, buffer, &buffer_len,
&srtp->setting.crypto[i],
i+1);
if (status != PJ_SUCCESS)
return status;
/* If buffer_len==0, just skip the crypto attribute. */
if (buffer_len) {
pj_strset(&attr_value, buffer, buffer_len);
attr = pjmedia_sdp_attr_create(srtp->pool, ID_CRYPTO.ptr,
&attr_value);
m_loc->attr[m_loc->attr_count++] = attr;
}
}
}
} else {
/* Answerer side */
pj_assert(sdp_remote && m_rem);
/* Generate transport */
switch (srtp->setting.use) {
case PJMEDIA_SRTP_DISABLED:
if (pj_stricmp(&m_rem->desc.transport, &ID_RTP_SAVP) == 0)
return PJMEDIA_SRTP_ESDPINTRANSPORT;
goto BYPASS_SRTP;
case PJMEDIA_SRTP_OPTIONAL:
m_loc->desc.transport = m_rem->desc.transport;
break;
case PJMEDIA_SRTP_MANDATORY:
if (pj_stricmp(&m_rem->desc.transport, &ID_RTP_SAVP) != 0)
return PJMEDIA_SRTP_ESDPINTRANSPORT;
m_loc->desc.transport = ID_RTP_SAVP;
break;
}
/* Generate crypto attribute if not yet */
if (pjmedia_sdp_media_find_attr(m_loc, &ID_CRYPTO, NULL) == NULL) {
pjmedia_srtp_crypto tmp_rx_crypto;
pj_bool_t has_crypto_attr = PJ_FALSE;
int matched_idx = -1;
int chosen_tag = 0;
int tags[64]; /* assume no more than 64 crypto attrs in a media */
unsigned cr_attr_count = 0;
/* Find supported crypto-suite, get the tag, and assign policy_local */
for (i=0; i<m_rem->attr_count; ++i) {
if (pj_stricmp(&m_rem->attr[i]->name, &ID_CRYPTO) != 0)
continue;
has_crypto_attr = PJ_TRUE;
status = parse_attr_crypto(srtp->pool, m_rem->attr[i],
&tmp_rx_crypto, &tags[cr_attr_count]);
if (status != PJ_SUCCESS)
return status;
/* Check duplicated tag */
for (j=0; j<cr_attr_count; ++j) {
if (tags[j] == tags[cr_attr_count]) {
DEACTIVATE_MEDIA(sdp_pool, m_loc);
return PJMEDIA_SRTP_ESDPDUPCRYPTOTAG;
}
}
if (matched_idx == -1) {
/* lets see if the crypto-suite offered is supported */
for (j=0; j<srtp->setting.crypto_count; ++j)
if (pj_stricmp(&tmp_rx_crypto.name,
&srtp->setting.crypto[j].name) == 0)
{
int cs_idx = get_crypto_idx(&tmp_rx_crypto.name);
/* Force to use test key */
/* bad keys for snom: */
//char *hex_test_key = "58b29c5c8f42308120ce857e439f2d"
// "7810a8b10ad0b1446be5470faea496";
//char *hex_test_key = "20a26aac7ba062d356ff52b61e3993"
// "ccb78078f12c64db94b9c294927fd0";
//pj_str_t *test_key = &srtp->setting.crypto[j].key;
//char *raw_test_key = pj_pool_zalloc(srtp->pool, 64);
//hex_string_to_octet_string(
// raw_test_key,
// hex_test_key,
// strlen(hex_test_key));
//pj_strset(test_key, raw_test_key,
// crypto_suites[cs_idx].cipher_key_len);
/* EO Force to use test key */
if (tmp_rx_crypto.key.slen !=
(int)crypto_suites[cs_idx].cipher_key_len)
return PJMEDIA_SRTP_EINKEYLEN;
srtp->rx_policy_neg = tmp_rx_crypto;
chosen_tag = tags[cr_attr_count];
matched_idx = j;
break;
}
}
cr_attr_count++;
}
/* Check crypto negotiation result */
switch (srtp->setting.use) {
case PJMEDIA_SRTP_DISABLED:
pj_assert(!"Should never reach here");
break;
case PJMEDIA_SRTP_OPTIONAL:
/* bypass SRTP when no crypto-attr and remote uses RTP/AVP */
if (!has_crypto_attr &&
pj_stricmp(&m_rem->desc.transport, &ID_RTP_AVP) == 0)
goto BYPASS_SRTP;
/* bypass SRTP when nothing match and remote uses RTP/AVP */
else if (matched_idx == -1 &&
pj_stricmp(&m_rem->desc.transport, &ID_RTP_AVP) == 0)
goto BYPASS_SRTP;
break;
case PJMEDIA_SRTP_MANDATORY:
/* Do nothing, intentional */
break;
}
/* No crypto attr */
if (!has_crypto_attr) {
DEACTIVATE_MEDIA(sdp_pool, m_loc);
return PJMEDIA_SRTP_ESDPREQCRYPTO;
}
/* No crypto match */
if (matched_idx == -1) {
DEACTIVATE_MEDIA(sdp_pool, m_loc);
return PJMEDIA_SRTP_ENOTSUPCRYPTO;
}
/* we have to generate crypto answer,
* with srtp->tx_policy_neg matched the offer
* and rem_tag contains matched offer tag.
*/
buffer_len = MAXLEN;
status = generate_crypto_attr_value(srtp->pool, buffer, &buffer_len,
&srtp->setting.crypto[matched_idx],
chosen_tag);
if (status != PJ_SUCCESS)
return status;
srtp->tx_policy_neg = srtp->setting.crypto[matched_idx];
/* If buffer_len==0, just skip the crypto attribute. */
if (buffer_len) {
pj_strset(&attr_value, buffer, buffer_len);
attr = pjmedia_sdp_attr_create(sdp_pool, ID_CRYPTO.ptr,
&attr_value);
m_loc->attr[m_loc->attr_count++] = attr;
}
/* At this point, we get valid rx_policy_neg & tx_policy_neg. */
}
}
goto PROPAGATE_MEDIA_CREATE;
BYPASS_SRTP:
srtp->bypass_srtp = PJ_TRUE;
PROPAGATE_MEDIA_CREATE:
return pjmedia_transport_encode_sdp(srtp->member_tp, sdp_pool,
sdp_local, sdp_remote, media_index);
}
static pj_status_t transport_media_create(pjmedia_transport *tp,
pj_pool_t *sdp_pool,
unsigned options,
const pjmedia_sdp_session *sdp_remote,
unsigned media_index)
{
struct transport_srtp *srtp = (struct transport_srtp*) tp;
unsigned member_tp_option;
PJ_ASSERT_RETURN(tp, PJ_EINVAL);
pj_bzero(&srtp->rx_policy_neg, sizeof(srtp->rx_policy_neg));
pj_bzero(&srtp->tx_policy_neg, sizeof(srtp->tx_policy_neg));
srtp->media_option = options;
member_tp_option = options | PJMEDIA_TPMED_NO_TRANSPORT_CHECKING;
srtp->offerer_side = sdp_remote == NULL;
/* Validations */
if (srtp->offerer_side) {
if (srtp->setting.use == PJMEDIA_SRTP_DISABLED)
goto BYPASS_SRTP;
} else {
pjmedia_sdp_media *m_rem;
m_rem = sdp_remote->media[media_index];
/* Nothing to do on inactive media stream */
if (pjmedia_sdp_media_find_attr(m_rem, &ID_INACTIVE, NULL))
goto BYPASS_SRTP;
/* Validate remote media transport based on SRTP usage option.
*/
switch (srtp->setting.use) {
case PJMEDIA_SRTP_DISABLED:
if (pj_stricmp(&m_rem->desc.transport, &ID_RTP_SAVP) == 0)
return PJMEDIA_SRTP_ESDPINTRANSPORT;
goto BYPASS_SRTP;
case PJMEDIA_SRTP_OPTIONAL:
break;
case PJMEDIA_SRTP_MANDATORY:
if (pj_stricmp(&m_rem->desc.transport, &ID_RTP_SAVP) != 0)
return PJMEDIA_SRTP_ESDPINTRANSPORT;
break;
}
}
goto PROPAGATE_MEDIA_CREATE;
BYPASS_SRTP:
srtp->bypass_srtp = PJ_TRUE;
member_tp_option &= ~PJMEDIA_TPMED_NO_TRANSPORT_CHECKING;
PROPAGATE_MEDIA_CREATE:
return pjmedia_transport_media_create(srtp->member_tp, sdp_pool,
member_tp_option, sdp_remote,
media_index);
}
/*
* Create stream info from SDP media line.
*/
PJ_DEF(pj_status_t) pjmedia_stream_info_from_sdp(
pjmedia_stream_info *si,
pj_pool_t *pool,
pjmedia_endpt *endpt,
const pjmedia_sdp_session *local,
const pjmedia_sdp_session *remote,
unsigned stream_idx)
{
pjmedia_codec_mgr *mgr;
const pjmedia_sdp_attr *attr;
const pjmedia_sdp_media *local_m;
const pjmedia_sdp_media *rem_m;
const pjmedia_sdp_conn *local_conn;
const pjmedia_sdp_conn *rem_conn;
int rem_af, local_af;
pj_sockaddr local_addr;
pjmedia_sdp_rtpmap *rtpmap;
unsigned i, pt, fmti;
pj_status_t status;
/* Validate arguments: */
PJ_ASSERT_RETURN(pool && si && local && remote, PJ_EINVAL);
PJ_ASSERT_RETURN(stream_idx < local->media_count, PJ_EINVAL);
PJ_ASSERT_RETURN(stream_idx < remote->media_count, PJ_EINVAL);
/* Get codec manager. */
mgr = pjmedia_endpt_get_codec_mgr(endpt);
/* Keep SDP shortcuts */
local_m = local->media[stream_idx];
rem_m = remote->media[stream_idx];
local_conn = local_m->conn ? local_m->conn : local->conn;
if (local_conn == NULL)
return PJMEDIA_SDP_EMISSINGCONN;
rem_conn = rem_m->conn ? rem_m->conn : remote->conn;
if (rem_conn == NULL)
return PJMEDIA_SDP_EMISSINGCONN;
/* Reset: */
pj_bzero(si, sizeof(*si));
#if PJMEDIA_HAS_RTCP_XR && PJMEDIA_STREAM_ENABLE_XR
/* Set default RTCP XR enabled/disabled */
si->rtcp_xr_enabled = PJ_TRUE;
#endif
/* Media type: */
if (pj_stricmp(&local_m->desc.media, &ID_AUDIO) == 0) {
si->type = PJMEDIA_TYPE_AUDIO;
} else if (pj_stricmp(&local_m->desc.media, &ID_VIDEO) == 0) {
si->type = PJMEDIA_TYPE_VIDEO;
} else {
si->type = PJMEDIA_TYPE_UNKNOWN;
/* Avoid rejecting call because of unrecognized media,
* just return PJ_SUCCESS, this media will be deactivated later.
*/
//return PJMEDIA_EINVALIMEDIATYPE;
return PJ_SUCCESS;
}
/* Transport protocol */
/* At this point, transport type must be compatible,
* the transport instance will do more validation later.
*/
status = pjmedia_sdp_transport_cmp(&rem_m->desc.transport,
&local_m->desc.transport);
if (status != PJ_SUCCESS)
return PJMEDIA_SDPNEG_EINVANSTP;
if (pj_stricmp(&local_m->desc.transport, &ID_RTP_AVP) == 0) {
si->proto = PJMEDIA_TP_PROTO_RTP_AVP;
} else if (pj_stricmp(&local_m->desc.transport, &ID_RTP_SAVP) == 0) {
si->proto = PJMEDIA_TP_PROTO_RTP_SAVP;
} else {
si->proto = PJMEDIA_TP_PROTO_UNKNOWN;
return PJ_SUCCESS;
}
/* Check address family in remote SDP */
rem_af = pj_AF_UNSPEC();
if (pj_stricmp(&rem_conn->net_type, &ID_IN)==0) {
if (pj_stricmp(&rem_conn->addr_type, &ID_IP4)==0) {
rem_af = pj_AF_INET();
} else if (pj_stricmp(&rem_conn->addr_type, &ID_IP6)==0) {
rem_af = pj_AF_INET6();
}
}
if (rem_af==pj_AF_UNSPEC()) {
/* Unsupported address family */
return PJ_EAFNOTSUP;
}
/* Set remote address: */
status = pj_sockaddr_init(rem_af, &si->rem_addr, &rem_conn->addr,
rem_m->desc.port);
if (status != PJ_SUCCESS) {
/* Invalid IP address. */
return PJMEDIA_EINVALIDIP;
}
/* Check address family of local info */
local_af = pj_AF_UNSPEC();
if (pj_stricmp(&local_conn->net_type, &ID_IN)==0) {
if (pj_stricmp(&local_conn->addr_type, &ID_IP4)==0) {
local_af = pj_AF_INET();
} else if (pj_stricmp(&local_conn->addr_type, &ID_IP6)==0) {
local_af = pj_AF_INET6();
}
}
if (local_af==pj_AF_UNSPEC()) {
/* Unsupported address family */
return PJ_SUCCESS;
}
/* Set remote address: */
status = pj_sockaddr_init(local_af, &local_addr, &local_conn->addr,
local_m->desc.port);
if (status != PJ_SUCCESS) {
/* Invalid IP address. */
return PJMEDIA_EINVALIDIP;
}
/* Local and remote address family must match */
if (local_af != rem_af)
return PJ_EAFNOTSUP;
/* Media direction: */
if (local_m->desc.port == 0 ||
pj_sockaddr_has_addr(&local_addr)==PJ_FALSE ||
pj_sockaddr_has_addr(&si->rem_addr)==PJ_FALSE ||
pjmedia_sdp_media_find_attr(local_m, &STR_INACTIVE, NULL)!=NULL)
{
/* Inactive stream. */
si->dir = PJMEDIA_DIR_NONE;
} else if (pjmedia_sdp_media_find_attr(local_m, &STR_SENDONLY, NULL)!=NULL) {
/* Send only stream. */
si->dir = PJMEDIA_DIR_ENCODING;
} else if (pjmedia_sdp_media_find_attr(local_m, &STR_RECVONLY, NULL)!=NULL) {
/* Recv only stream. */
si->dir = PJMEDIA_DIR_DECODING;
} else {
/* Send and receive stream. */
si->dir = PJMEDIA_DIR_ENCODING_DECODING;
}
/* No need to do anything else if stream is rejected */
if (local_m->desc.port == 0) {
return PJ_SUCCESS;
}
/* If "rtcp" attribute is present in the SDP, set the RTCP address
* from that attribute. Otherwise, calculate from RTP address.
*/
attr = pjmedia_sdp_attr_find2(rem_m->attr_count, rem_m->attr,
"rtcp", NULL);
if (attr) {
pjmedia_sdp_rtcp_attr rtcp;
status = pjmedia_sdp_attr_get_rtcp(attr, &rtcp);
if (status == PJ_SUCCESS) {
if (rtcp.addr.slen) {
status = pj_sockaddr_init(rem_af, &si->rem_rtcp, &rtcp.addr,
(pj_uint16_t)rtcp.port);
} else {
pj_sockaddr_init(rem_af, &si->rem_rtcp, NULL,
(pj_uint16_t)rtcp.port);
pj_memcpy(pj_sockaddr_get_addr(&si->rem_rtcp),
pj_sockaddr_get_addr(&si->rem_addr),
pj_sockaddr_get_addr_len(&si->rem_addr));
}
}
}
if (!pj_sockaddr_has_addr(&si->rem_rtcp)) {
int rtcp_port;
pj_memcpy(&si->rem_rtcp, &si->rem_addr, sizeof(pj_sockaddr));
rtcp_port = pj_sockaddr_get_port(&si->rem_addr) + 1;
pj_sockaddr_set_port(&si->rem_rtcp, (pj_uint16_t)rtcp_port);
}
/* Get the payload number for receive channel. */
/*
Previously we used to rely on fmt[0] being the selected codec,
but some UA sends telephone-event as fmt[0] and this would
cause assert failure below.
Thanks Chris Hamilton <chamilton .at. cs.dal.ca> for this patch.
// And codec must be numeric!
if (!pj_isdigit(*local_m->desc.fmt[0].ptr) ||
!pj_isdigit(*rem_m->desc.fmt[0].ptr))
{
return PJMEDIA_EINVALIDPT;
}
pt = pj_strtoul(&local_m->desc.fmt[0]);
pj_assert(PJMEDIA_RTP_PT_TELEPHONE_EVENTS==0 ||
pt != PJMEDIA_RTP_PT_TELEPHONE_EVENTS);
*/
/* This is to suppress MSVC warning about uninitialized var */
pt = 0;
/* Find the first codec which is not telephone-event */
for ( fmti = 0; fmti < local_m->desc.fmt_count; ++fmti ) {
if ( !pj_isdigit(*local_m->desc.fmt[fmti].ptr) )
return PJMEDIA_EINVALIDPT;
pt = pj_strtoul(&local_m->desc.fmt[fmti]);
if ( PJMEDIA_RTP_PT_TELEPHONE_EVENTS == 0 ||
pt != PJMEDIA_RTP_PT_TELEPHONE_EVENTS )
break;
}
if ( fmti >= local_m->desc.fmt_count )
return PJMEDIA_EINVALIDPT;
/* Get codec info.
* For static payload types, get the info from codec manager.
* For dynamic payload types, MUST get the rtpmap.
*/
if (pt < 96) {
pj_bool_t has_rtpmap;
rtpmap = NULL;
has_rtpmap = PJ_TRUE;
attr = pjmedia_sdp_media_find_attr(local_m, &ID_RTPMAP,
&local_m->desc.fmt[fmti]);
if (attr == NULL) {
has_rtpmap = PJ_FALSE;
}
if (attr != NULL) {
status = pjmedia_sdp_attr_to_rtpmap(pool, attr, &rtpmap);
if (status != PJ_SUCCESS)
has_rtpmap = PJ_FALSE;
}
/* Build codec format info: */
if (has_rtpmap) {
si->fmt.type = si->type;
si->fmt.pt = pj_strtoul(&local_m->desc.fmt[fmti]);
pj_strdup(pool, &si->fmt.encoding_name, &rtpmap->enc_name);
si->fmt.clock_rate = rtpmap->clock_rate;
#if defined(PJMEDIA_HANDLE_G722_MPEG_BUG) && (PJMEDIA_HANDLE_G722_MPEG_BUG != 0)
/* The session info should have the actual clock rate, because
* this info is used for calculationg buffer size, etc in stream
*/
if (si->fmt.pt == PJMEDIA_RTP_PT_G722)
si->fmt.clock_rate = 16000;
#endif
/* For audio codecs, rtpmap parameters denotes the number of
* channels.
*/
if (si->type == PJMEDIA_TYPE_AUDIO && rtpmap->param.slen) {
si->fmt.channel_cnt = (unsigned) pj_strtoul(&rtpmap->param);
} else {
si->fmt.channel_cnt = 1;
}
} else {
const pjmedia_codec_info *p_info;
status = pjmedia_codec_mgr_get_codec_info( mgr, pt, &p_info);
if (status != PJ_SUCCESS)
return status;
pj_memcpy(&si->fmt, p_info, sizeof(pjmedia_codec_info));
}
/* For static payload type, pt's are symetric */
si->tx_pt = pt;
} else {
attr = pjmedia_sdp_media_find_attr(local_m, &ID_RTPMAP,
&local_m->desc.fmt[fmti]);
if (attr == NULL)
return PJMEDIA_EMISSINGRTPMAP;
status = pjmedia_sdp_attr_to_rtpmap(pool, attr, &rtpmap);
if (status != PJ_SUCCESS)
return status;
/* Build codec format info: */
si->fmt.type = si->type;
si->fmt.pt = pj_strtoul(&local_m->desc.fmt[fmti]);
pj_strdup(pool, &si->fmt.encoding_name, &rtpmap->enc_name);
si->fmt.clock_rate = rtpmap->clock_rate;
/* For audio codecs, rtpmap parameters denotes the number of
* channels.
*/
if (si->type == PJMEDIA_TYPE_AUDIO && rtpmap->param.slen) {
si->fmt.channel_cnt = (unsigned) pj_strtoul(&rtpmap->param);
} else {
si->fmt.channel_cnt = 1;
}
/* Determine payload type for outgoing channel, by finding
* dynamic payload type in remote SDP that matches the answer.
*/
si->tx_pt = 0xFFFF;
for (i=0; i<rem_m->desc.fmt_count; ++i) {
unsigned rpt;
pjmedia_sdp_attr *r_attr;
pjmedia_sdp_rtpmap r_rtpmap;
rpt = pj_strtoul(&rem_m->desc.fmt[i]);
if (rpt < 96)
continue;
r_attr = pjmedia_sdp_media_find_attr(rem_m, &ID_RTPMAP,
&rem_m->desc.fmt[i]);
if (!r_attr)
continue;
if (pjmedia_sdp_attr_get_rtpmap(r_attr, &r_rtpmap) != PJ_SUCCESS)
continue;
if (!pj_stricmp(&rtpmap->enc_name, &r_rtpmap.enc_name) &&
rtpmap->clock_rate == r_rtpmap.clock_rate)
{
/* Found matched codec. */
si->tx_pt = rpt;
break;
}
}
if (si->tx_pt == 0xFFFF)
return PJMEDIA_EMISSINGRTPMAP;
}
/* Now that we have codec info, get the codec param. */
si->param = PJ_POOL_ALLOC_T(pool, pjmedia_codec_param);
status = pjmedia_codec_mgr_get_default_param(mgr, &si->fmt, si->param);
/* Get remote fmtp for our encoder. */
parse_fmtp(pool, rem_m, si->tx_pt, &si->param->setting.enc_fmtp);
/* Get local fmtp for our decoder. */
parse_fmtp(pool, local_m, si->fmt.pt, &si->param->setting.dec_fmtp);
/* Get remote maxptime for our encoder. */
attr = pjmedia_sdp_attr_find2(rem_m->attr_count, rem_m->attr,
"maxptime", NULL);
if (attr) {
pj_str_t tmp_val = attr->value;
pj_strltrim(&tmp_val);
si->tx_maxptime = pj_strtoul(&tmp_val);
}
/* When direction is NONE (it means SDP negotiation has failed) we don't
* need to return a failure here, as returning failure will cause
* the whole SDP to be rejected. See ticket #:
* http://
*
* Thanks Alain Totouom
*/
if (status != PJ_SUCCESS && si->dir != PJMEDIA_DIR_NONE)
return status;
/* Get incomming payload type for telephone-events */
si->rx_event_pt = -1;
for (i=0; i<local_m->attr_count; ++i) {
pjmedia_sdp_rtpmap r;
attr = local_m->attr[i];
if (pj_strcmp(&attr->name, &ID_RTPMAP) != 0)
continue;
if (pjmedia_sdp_attr_get_rtpmap(attr, &r) != PJ_SUCCESS)
continue;
if (pj_strcmp(&r.enc_name, &ID_TELEPHONE_EVENT) == 0) {
si->rx_event_pt = pj_strtoul(&r.pt);
break;
}
}
/* Get outgoing payload type for telephone-events */
si->tx_event_pt = -1;
for (i=0; i<rem_m->attr_count; ++i) {
pjmedia_sdp_rtpmap r;
attr = rem_m->attr[i];
if (pj_strcmp(&attr->name, &ID_RTPMAP) != 0)
continue;
if (pjmedia_sdp_attr_get_rtpmap(attr, &r) != PJ_SUCCESS)
continue;
if (pj_strcmp(&r.enc_name, &ID_TELEPHONE_EVENT) == 0) {
si->tx_event_pt = pj_strtoul(&r.pt);
break;
}
}
/* Leave SSRC to random. */
si->ssrc = pj_rand();
/* Set default jitter buffer parameter. */
si->jb_init = si->jb_max = si->jb_min_pre = si->jb_max_pre = -1;
return PJ_SUCCESS;
}
/*
* Internal function for collecting codec info and param from the SDP media.
*/
static pj_status_t get_audio_codec_info_param(pjmedia_stream_info *si,
pj_pool_t *pool,
pjmedia_codec_mgr *mgr,
const pjmedia_sdp_media *local_m,
const pjmedia_sdp_media *rem_m)
{
const pjmedia_sdp_attr *attr;
pjmedia_sdp_rtpmap *rtpmap;
unsigned i, fmti, pt = 0;
pj_status_t status;
/* Find the first codec which is not telephone-event */
for ( fmti = 0; fmti < local_m->desc.fmt_count; ++fmti ) {
pjmedia_sdp_rtpmap r;
if ( !pj_isdigit(*local_m->desc.fmt[fmti].ptr) )
return PJMEDIA_EINVALIDPT;
pt = pj_strtoul(&local_m->desc.fmt[fmti]);
if (pt < 96) {
/* This is known static PT. Skip rtpmap checking because it is
* optional. */
break;
}
attr = pjmedia_sdp_media_find_attr(local_m, &ID_RTPMAP,
&local_m->desc.fmt[fmti]);
if (attr == NULL)
continue;
status = pjmedia_sdp_attr_get_rtpmap(attr, &r);
if (status != PJ_SUCCESS)
continue;
if (pj_strcmp(&r.enc_name, &ID_TELEPHONE_EVENT) != 0)
break;
}
if ( fmti >= local_m->desc.fmt_count )
return PJMEDIA_EINVALIDPT;
/* Get payload type for receiving direction */
si->rx_pt = pt;
/* Get codec info.
* For static payload types, get the info from codec manager.
* For dynamic payload types, MUST get the rtpmap.
*/
if (pt < 96) {
pj_bool_t has_rtpmap;
rtpmap = NULL;
has_rtpmap = PJ_TRUE;
attr = pjmedia_sdp_media_find_attr(local_m, &ID_RTPMAP,
&local_m->desc.fmt[fmti]);
if (attr == NULL) {
has_rtpmap = PJ_FALSE;
}
if (attr != NULL) {
status = pjmedia_sdp_attr_to_rtpmap(pool, attr, &rtpmap);
if (status != PJ_SUCCESS)
has_rtpmap = PJ_FALSE;
}
/* Build codec format info: */
if (has_rtpmap) {
si->fmt.type = si->type;
si->fmt.pt = pj_strtoul(&local_m->desc.fmt[fmti]);
pj_strdup(pool, &si->fmt.encoding_name, &rtpmap->enc_name);
si->fmt.clock_rate = rtpmap->clock_rate;
#if defined(PJMEDIA_HANDLE_G722_MPEG_BUG) && (PJMEDIA_HANDLE_G722_MPEG_BUG != 0)
/* The session info should have the actual clock rate, because
* this info is used for calculationg buffer size, etc in stream
*/
if (si->fmt.pt == PJMEDIA_RTP_PT_G722)
si->fmt.clock_rate = 16000;
#endif
/* For audio codecs, rtpmap parameters denotes the number of
* channels.
*/
if (si->type == PJMEDIA_TYPE_AUDIO && rtpmap->param.slen) {
si->fmt.channel_cnt = (unsigned) pj_strtoul(&rtpmap->param);
} else {
si->fmt.channel_cnt = 1;
}
} else {
const pjmedia_codec_info *p_info;
status = pjmedia_codec_mgr_get_codec_info( mgr, pt, &p_info);
if (status != PJ_SUCCESS)
return status;
pj_memcpy(&si->fmt, p_info, sizeof(pjmedia_codec_info));
}
/* For static payload type, pt's are symetric */
si->tx_pt = pt;
} else {
pjmedia_codec_id codec_id;
pj_str_t codec_id_st;
const pjmedia_codec_info *p_info;
attr = pjmedia_sdp_media_find_attr(local_m, &ID_RTPMAP,
&local_m->desc.fmt[fmti]);
if (attr == NULL)
return PJMEDIA_EMISSINGRTPMAP;
status = pjmedia_sdp_attr_to_rtpmap(pool, attr, &rtpmap);
if (status != PJ_SUCCESS)
return status;
/* Build codec format info: */
si->fmt.type = si->type;
si->fmt.pt = pj_strtoul(&local_m->desc.fmt[fmti]);
si->fmt.encoding_name = rtpmap->enc_name;
si->fmt.clock_rate = rtpmap->clock_rate;
/* For audio codecs, rtpmap parameters denotes the number of
* channels.
*/
if (si->type == PJMEDIA_TYPE_AUDIO && rtpmap->param.slen) {
si->fmt.channel_cnt = (unsigned) pj_strtoul(&rtpmap->param);
} else {
si->fmt.channel_cnt = 1;
}
/* Normalize the codec info from codec manager. Note that the
* payload type will be resetted to its default (it might have
* been rewritten by the SDP negotiator to match to the remote
* offer), this is intentional as currently some components may
* prefer (or even require) the default PT in codec info.
*/
pjmedia_codec_info_to_id(&si->fmt, codec_id, sizeof(codec_id));
i = 1;
codec_id_st = pj_str(codec_id);
status = pjmedia_codec_mgr_find_codecs_by_id(mgr, &codec_id_st,
&i, &p_info, NULL);
if (status != PJ_SUCCESS)
return status;
pj_memcpy(&si->fmt, p_info, sizeof(pjmedia_codec_info));
/* Determine payload type for outgoing channel, by finding
* dynamic payload type in remote SDP that matches the answer.
*/
si->tx_pt = 0xFFFF;
for (i=0; i<rem_m->desc.fmt_count; ++i) {
if (pjmedia_sdp_neg_fmt_match(pool,
(pjmedia_sdp_media*)local_m, fmti,
(pjmedia_sdp_media*)rem_m, i, 0) ==
PJ_SUCCESS)
{
/* Found matched codec. */
si->tx_pt = pj_strtoul(&rem_m->desc.fmt[i]);
break;
}
}
if (si->tx_pt == 0xFFFF)
return PJMEDIA_EMISSINGRTPMAP;
}
/* Now that we have codec info, get the codec param. */
si->param = PJ_POOL_ALLOC_T(pool, pjmedia_codec_param);
status = pjmedia_codec_mgr_get_default_param(mgr, &si->fmt,
si->param);
/* Get remote fmtp for our encoder. */
pjmedia_stream_info_parse_fmtp(pool, rem_m, si->tx_pt,
&si->param->setting.enc_fmtp);
/* Get local fmtp for our decoder. */
pjmedia_stream_info_parse_fmtp(pool, local_m, si->rx_pt,
&si->param->setting.dec_fmtp);
if (!pj_stricmp2(&si->fmt.encoding_name, "opus")) {
get_opus_channels_and_clock_rate(&si->param->setting.enc_fmtp,
&si->param->setting.dec_fmtp,
&si->fmt.channel_cnt,
&si->fmt.clock_rate);
}
/* Get the remote ptime for our encoder. */
attr = pjmedia_sdp_attr_find2(rem_m->attr_count, rem_m->attr,
"ptime", NULL);
if (attr) {
pj_str_t tmp_val = attr->value;
unsigned frm_per_pkt;
pj_strltrim(&tmp_val);
/* Round up ptime when the specified is not multiple of frm_ptime */
frm_per_pkt = (pj_strtoul(&tmp_val) +
si->param->info.frm_ptime/2) /
si->param->info.frm_ptime;
if (frm_per_pkt != 0) {
si->param->setting.frm_per_pkt = (pj_uint8_t)frm_per_pkt;
}
}
/* Get remote maxptime for our encoder. */
attr = pjmedia_sdp_attr_find2(rem_m->attr_count, rem_m->attr,
"maxptime", NULL);
if (attr) {
pj_str_t tmp_val = attr->value;
pj_strltrim(&tmp_val);
si->tx_maxptime = pj_strtoul(&tmp_val);
}
/* When direction is NONE (it means SDP negotiation has failed) we don't
* need to return a failure here, as returning failure will cause
* the whole SDP to be rejected. See ticket #:
* http://
*
* Thanks Alain Totouom
*/
if (status != PJ_SUCCESS && si->dir != PJMEDIA_DIR_NONE)
return status;
/* Get incomming payload type for telephone-events */
si->rx_event_pt = -1;
for (i=0; i<local_m->attr_count; ++i) {
pjmedia_sdp_rtpmap r;
attr = local_m->attr[i];
if (pj_strcmp(&attr->name, &ID_RTPMAP) != 0)
continue;
if (pjmedia_sdp_attr_get_rtpmap(attr, &r) != PJ_SUCCESS)
continue;
if (pj_strcmp(&r.enc_name, &ID_TELEPHONE_EVENT) == 0) {
si->rx_event_pt = pj_strtoul(&r.pt);
break;
}
}
/* Get outgoing payload type for telephone-events */
si->tx_event_pt = -1;
for (i=0; i<rem_m->attr_count; ++i) {
pjmedia_sdp_rtpmap r;
attr = rem_m->attr[i];
if (pj_strcmp(&attr->name, &ID_RTPMAP) != 0)
continue;
if (pjmedia_sdp_attr_get_rtpmap(attr, &r) != PJ_SUCCESS)
continue;
if (pj_strcmp(&r.enc_name, &ID_TELEPHONE_EVENT) == 0) {
si->tx_event_pt = pj_strtoul(&r.pt);
break;
}
}
return PJ_SUCCESS;
}
/*
* Create stream info from SDP media line.
*/
PJ_DEF(pj_status_t) pjmedia_stream_info_from_sdp(
pjmedia_stream_info *si,
pj_pool_t *pool,
pjmedia_endpt *endpt,
const pjmedia_sdp_session *local,
const pjmedia_sdp_session *remote,
unsigned stream_idx)
{
const pj_str_t STR_INACTIVE = { "inactive", 8 };
const pj_str_t STR_SENDONLY = { "sendonly", 8 };
const pj_str_t STR_RECVONLY = { "recvonly", 8 };
pjmedia_codec_mgr *mgr;
const pjmedia_sdp_attr *attr;
const pjmedia_sdp_media *local_m;
const pjmedia_sdp_media *rem_m;
const pjmedia_sdp_conn *local_conn;
const pjmedia_sdp_conn *rem_conn;
int rem_af, local_af;
pj_sockaddr local_addr;
pj_status_t status;
/* Validate arguments: */
PJ_ASSERT_RETURN(pool && si && local && remote, PJ_EINVAL);
PJ_ASSERT_RETURN(stream_idx < local->media_count, PJ_EINVAL);
PJ_ASSERT_RETURN(stream_idx < remote->media_count, PJ_EINVAL);
/* Keep SDP shortcuts */
local_m = local->media[stream_idx];
rem_m = remote->media[stream_idx];
local_conn = local_m->conn ? local_m->conn : local->conn;
if (local_conn == NULL)
return PJMEDIA_SDP_EMISSINGCONN;
rem_conn = rem_m->conn ? rem_m->conn : remote->conn;
if (rem_conn == NULL)
return PJMEDIA_SDP_EMISSINGCONN;
/* Media type must be audio */
if (pj_stricmp(&local_m->desc.media, &ID_AUDIO) != 0)
return PJMEDIA_EINVALIMEDIATYPE;
/* Get codec manager. */
mgr = pjmedia_endpt_get_codec_mgr(endpt);
/* Reset: */
pj_bzero(si, sizeof(*si));
#if PJMEDIA_HAS_RTCP_XR && PJMEDIA_STREAM_ENABLE_XR
/* Set default RTCP XR enabled/disabled */
si->rtcp_xr_enabled = PJ_TRUE;
#endif
/* Media type: */
si->type = PJMEDIA_TYPE_AUDIO;
/* Transport protocol */
/* At this point, transport type must be compatible,
* the transport instance will do more validation later.
*/
status = pjmedia_sdp_transport_cmp(&rem_m->desc.transport,
&local_m->desc.transport);
if (status != PJ_SUCCESS)
return PJMEDIA_SDPNEG_EINVANSTP;
if (pj_stricmp(&local_m->desc.transport, &ID_RTP_AVP) == 0) {
si->proto = PJMEDIA_TP_PROTO_RTP_AVP;
} else if (pj_stricmp(&local_m->desc.transport, &ID_RTP_SAVP) == 0) {
si->proto = PJMEDIA_TP_PROTO_RTP_SAVP;
} else {
si->proto = PJMEDIA_TP_PROTO_UNKNOWN;
return PJ_SUCCESS;
}
/* Check address family in remote SDP */
rem_af = pj_AF_UNSPEC();
if (pj_stricmp(&rem_conn->net_type, &ID_IN)==0) {
if (pj_stricmp(&rem_conn->addr_type, &ID_IP4)==0) {
rem_af = pj_AF_INET();
} else if (pj_stricmp(&rem_conn->addr_type, &ID_IP6)==0) {
rem_af = pj_AF_INET6();
}
}
if (rem_af==pj_AF_UNSPEC()) {
/* Unsupported address family */
return PJ_EAFNOTSUP;
}
/* Set remote address: */
status = pj_sockaddr_init(rem_af, &si->rem_addr, &rem_conn->addr,
rem_m->desc.port);
if (status != PJ_SUCCESS) {
/* Invalid IP address. */
return PJMEDIA_EINVALIDIP;
}
/* Check address family of local info */
local_af = pj_AF_UNSPEC();
if (pj_stricmp(&local_conn->net_type, &ID_IN)==0) {
if (pj_stricmp(&local_conn->addr_type, &ID_IP4)==0) {
local_af = pj_AF_INET();
} else if (pj_stricmp(&local_conn->addr_type, &ID_IP6)==0) {
local_af = pj_AF_INET6();
}
}
if (local_af==pj_AF_UNSPEC()) {
/* Unsupported address family */
return PJ_SUCCESS;
}
/* Set remote address: */
status = pj_sockaddr_init(local_af, &local_addr, &local_conn->addr,
local_m->desc.port);
if (status != PJ_SUCCESS) {
/* Invalid IP address. */
return PJMEDIA_EINVALIDIP;
}
/* Local and remote address family must match */
if (local_af != rem_af)
return PJ_EAFNOTSUP;
/* Media direction: */
if (local_m->desc.port == 0 ||
pj_sockaddr_has_addr(&local_addr)==PJ_FALSE ||
pj_sockaddr_has_addr(&si->rem_addr)==PJ_FALSE ||
pjmedia_sdp_media_find_attr(local_m, &STR_INACTIVE, NULL)!=NULL)
{
/* Inactive stream. */
si->dir = PJMEDIA_DIR_NONE;
} else if (pjmedia_sdp_media_find_attr(local_m, &STR_SENDONLY, NULL)!=NULL) {
/* Send only stream. */
si->dir = PJMEDIA_DIR_ENCODING;
} else if (pjmedia_sdp_media_find_attr(local_m, &STR_RECVONLY, NULL)!=NULL) {
/* Recv only stream. */
si->dir = PJMEDIA_DIR_DECODING;
} else {
/* Send and receive stream. */
si->dir = PJMEDIA_DIR_ENCODING_DECODING;
}
/* No need to do anything else if stream is rejected */
if (local_m->desc.port == 0) {
return PJ_SUCCESS;
}
/* If "rtcp" attribute is present in the SDP, set the RTCP address
* from that attribute. Otherwise, calculate from RTP address.
*/
attr = pjmedia_sdp_attr_find2(rem_m->attr_count, rem_m->attr,
"rtcp", NULL);
if (attr) {
pjmedia_sdp_rtcp_attr rtcp;
status = pjmedia_sdp_attr_get_rtcp(attr, &rtcp);
if (status == PJ_SUCCESS) {
if (rtcp.addr.slen) {
status = pj_sockaddr_init(rem_af, &si->rem_rtcp, &rtcp.addr,
(pj_uint16_t)rtcp.port);
} else {
pj_sockaddr_init(rem_af, &si->rem_rtcp, NULL,
(pj_uint16_t)rtcp.port);
pj_memcpy(pj_sockaddr_get_addr(&si->rem_rtcp),
pj_sockaddr_get_addr(&si->rem_addr),
pj_sockaddr_get_addr_len(&si->rem_addr));
}
}
}
if (!pj_sockaddr_has_addr(&si->rem_rtcp)) {
int rtcp_port;
pj_memcpy(&si->rem_rtcp, &si->rem_addr, sizeof(pj_sockaddr));
rtcp_port = pj_sockaddr_get_port(&si->rem_addr) + 1;
pj_sockaddr_set_port(&si->rem_rtcp, (pj_uint16_t)rtcp_port);
}
/* Get the payload number for receive channel. */
/*
Previously we used to rely on fmt[0] being the selected codec,
but some UA sends telephone-event as fmt[0] and this would
cause assert failure below.
Thanks Chris Hamilton <chamilton .at. cs.dal.ca> for this patch.
// And codec must be numeric!
if (!pj_isdigit(*local_m->desc.fmt[0].ptr) ||
!pj_isdigit(*rem_m->desc.fmt[0].ptr))
{
return PJMEDIA_EINVALIDPT;
}
pt = pj_strtoul(&local_m->desc.fmt[0]);
pj_assert(PJMEDIA_RTP_PT_TELEPHONE_EVENTS==0 ||
pt != PJMEDIA_RTP_PT_TELEPHONE_EVENTS);
*/
/* Get codec info and param */
status = get_audio_codec_info_param(si, pool, mgr, local_m, rem_m);
/* Leave SSRC to random. */
si->ssrc = pj_rand();
/* Set default jitter buffer parameter. */
si->jb_init = si->jb_max = si->jb_min_pre = si->jb_max_pre = -1;
return status;
}
/*
* Create stream info from SDP media line.
*/
PJ_DEF(pj_status_t) pjmedia_stream_info_from_sdp(
pjmedia_stream_info *si,
pj_pool_t *pool,
pjmedia_endpt *endpt,
const pjmedia_sdp_session *local,
const pjmedia_sdp_session *remote,
unsigned stream_idx)
{
pjmedia_codec_mgr *mgr;
const pjmedia_sdp_attr *attr;
const pjmedia_sdp_media *local_m;
const pjmedia_sdp_media *rem_m;
const pjmedia_sdp_conn *local_conn;
const pjmedia_sdp_conn *rem_conn;
pjmedia_sdp_rtpmap *rtpmap;
int local_fmtp_mode = 0, rem_fmtp_mode = 0;
unsigned i, pt, fmti;
pj_status_t status;
/* Validate arguments: */
PJ_ASSERT_RETURN(pool && si && local && remote, PJ_EINVAL);
PJ_ASSERT_RETURN(stream_idx < local->media_count, PJ_EINVAL);
PJ_ASSERT_RETURN(stream_idx < remote->media_count, PJ_EINVAL);
/* Get codec manager. */
mgr = pjmedia_endpt_get_codec_mgr(endpt);
/* Keep SDP shortcuts */
local_m = local->media[stream_idx];
rem_m = remote->media[stream_idx];
local_conn = local_m->conn ? local_m->conn : local->conn;
if (local_conn == NULL)
return PJMEDIA_SDP_EMISSINGCONN;
rem_conn = rem_m->conn ? rem_m->conn : remote->conn;
if (rem_conn == NULL)
return PJMEDIA_SDP_EMISSINGCONN;
/* Reset: */
pj_bzero(si, sizeof(*si));
/* Media type: */
if (pj_stricmp(&local_m->desc.media, &ID_AUDIO) == 0) {
si->type = PJMEDIA_TYPE_AUDIO;
} else if (pj_stricmp(&local_m->desc.media, &ID_VIDEO) == 0) {
si->type = PJMEDIA_TYPE_VIDEO;
} else {
si->type = PJMEDIA_TYPE_UNKNOWN;
return PJMEDIA_EINVALIMEDIATYPE;
}
/* Transport type must be equal */
if (pj_stricmp(&rem_m->desc.transport,
&local_m->desc.transport) != 0)
{
si->type = PJMEDIA_TYPE_UNKNOWN;
return PJMEDIA_SDPNEG_EINVANSTP;
}
/* Media direction: */
if (local_m->desc.port == 0 ||
pj_inet_addr(&local_conn->addr).s_addr==0 ||
pj_inet_addr(&rem_conn->addr).s_addr==0 ||
pjmedia_sdp_media_find_attr(local_m, &STR_INACTIVE, NULL)!=NULL)
{
/* Inactive stream. */
si->dir = PJMEDIA_DIR_NONE;
} else if (pjmedia_sdp_media_find_attr(local_m, &STR_SENDONLY, NULL)!=NULL) {
/* Send only stream. */
si->dir = PJMEDIA_DIR_ENCODING;
} else if (pjmedia_sdp_media_find_attr(local_m, &STR_RECVONLY, NULL)!=NULL) {
/* Recv only stream. */
si->dir = PJMEDIA_DIR_DECODING;
} else {
/* Send and receive stream. */
si->dir = PJMEDIA_DIR_ENCODING_DECODING;
}
/* Set remote address: */
status = pj_sockaddr_in_init(&si->rem_addr, &rem_conn->addr,
rem_m->desc.port);
if (status != PJ_SUCCESS) {
/* Invalid IP address. */
return PJMEDIA_EINVALIDIP;
}
/* If "rtcp" attribute is present in the SDP, set the RTCP address
* from that attribute. Otherwise, calculate from RTP address.
*/
attr = pjmedia_sdp_attr_find2(rem_m->attr_count, rem_m->attr,
"rtcp", NULL);
if (attr) {
pjmedia_sdp_rtcp_attr rtcp;
status = pjmedia_sdp_attr_get_rtcp(attr, &rtcp);
if (status == PJ_SUCCESS) {
if (rtcp.addr.slen) {
status = pj_sockaddr_in_init(&si->rem_rtcp, &rtcp.addr,
(pj_uint16_t)rtcp.port);
} else {
pj_sockaddr_in_init(&si->rem_rtcp, NULL,
(pj_uint16_t)rtcp.port);
si->rem_rtcp.sin_addr.s_addr = si->rem_addr.sin_addr.s_addr;
}
}
}
if (si->rem_rtcp.sin_addr.s_addr == 0) {
int rtcp_port;
pj_memcpy(&si->rem_rtcp, &si->rem_addr, sizeof(pj_sockaddr_in));
rtcp_port = pj_ntohs(si->rem_addr.sin_port) + 1;
si->rem_rtcp.sin_port = pj_htons((pj_uint16_t)rtcp_port);
}
/* Get the payload number for receive channel. */
/*
Previously we used to rely on fmt[0] being the selected codec,
but some UA sends telephone-event as fmt[0] and this would
cause assert failure below.
Thanks Chris Hamilton <chamilton .at. cs.dal.ca> for this patch.
// And codec must be numeric!
if (!pj_isdigit(*local_m->desc.fmt[0].ptr) ||
!pj_isdigit(*rem_m->desc.fmt[0].ptr))
{
return PJMEDIA_EINVALIDPT;
}
pt = pj_strtoul(&local_m->desc.fmt[0]);
pj_assert(PJMEDIA_RTP_PT_TELEPHONE_EVENTS==0 ||
pt != PJMEDIA_RTP_PT_TELEPHONE_EVENTS);
*/
/* This is to suppress MSVC warning about uninitialized var */
pt = 0;
/* Find the first codec which is not telephone-event */
for ( fmti = 0; fmti < local_m->desc.fmt_count; ++fmti ) {
if ( !pj_isdigit(*local_m->desc.fmt[fmti].ptr) )
return PJMEDIA_EINVALIDPT;
pt = pj_strtoul(&local_m->desc.fmt[fmti]);
if ( PJMEDIA_RTP_PT_TELEPHONE_EVENTS == 0 ||
pt != PJMEDIA_RTP_PT_TELEPHONE_EVENTS )
break;
}
if ( fmti >= local_m->desc.fmt_count )
return PJMEDIA_EINVALIDPT;
/* Get codec info.
* For static payload types, get the info from codec manager.
* For dynamic payload types, MUST get the rtpmap.
*/
if (pt < 96) {
pj_bool_t has_rtpmap;
rtpmap = NULL;
has_rtpmap = PJ_TRUE;
attr = pjmedia_sdp_media_find_attr(local_m, &ID_RTPMAP,
&local_m->desc.fmt[fmti]);
if (attr == NULL) {
has_rtpmap = PJ_FALSE;
}
if (attr != NULL) {
status = pjmedia_sdp_attr_to_rtpmap(pool, attr, &rtpmap);
if (status != PJ_SUCCESS)
has_rtpmap = PJ_FALSE;
}
/* Build codec format info: */
if (has_rtpmap) {
si->fmt.type = si->type;
si->fmt.pt = pj_strtoul(&local_m->desc.fmt[fmti]);
pj_strdup(pool, &si->fmt.encoding_name, &rtpmap->enc_name);
si->fmt.clock_rate = rtpmap->clock_rate;
/* For audio codecs, rtpmap parameters denotes the number of
* channels.
*/
if (si->type == PJMEDIA_TYPE_AUDIO && rtpmap->param.slen) {
if (rtpmap->param.slen == 2) {
si->fmt.channel_cnt = rtpmap->param.ptr[1] - '0';
} else {
pj_str_t cnt;
cnt.ptr = rtpmap->param.ptr + 1;
cnt.slen = rtpmap->param.slen - 1;
si->fmt.channel_cnt = (unsigned) pj_strtoul(&cnt);
}
} else {
si->fmt.channel_cnt = 1;
}
} else {
const pjmedia_codec_info *p_info;
status = pjmedia_codec_mgr_get_codec_info( mgr, pt, &p_info);
if (status != PJ_SUCCESS)
return status;
pj_memcpy(&si->fmt, p_info, sizeof(pjmedia_codec_info));
}
/* For static payload type, pt's are symetric */
si->tx_pt = pt;
} else {
attr = pjmedia_sdp_media_find_attr(local_m, &ID_RTPMAP,
&local_m->desc.fmt[fmti]);
if (attr == NULL)
return PJMEDIA_EMISSINGRTPMAP;
status = pjmedia_sdp_attr_to_rtpmap(pool, attr, &rtpmap);
if (status != PJ_SUCCESS)
return status;
/* Build codec format info: */
si->fmt.type = si->type;
si->fmt.pt = pj_strtoul(&local_m->desc.fmt[fmti]);
pj_strdup(pool, &si->fmt.encoding_name, &rtpmap->enc_name);
si->fmt.clock_rate = rtpmap->clock_rate;
/* For audio codecs, rtpmap parameters denotes the number of
* channels.
*/
if (si->type == PJMEDIA_TYPE_AUDIO && rtpmap->param.slen) {
if (rtpmap->param.slen == 2) {
si->fmt.channel_cnt = rtpmap->param.ptr[1] - '0';
} else {
pj_str_t cnt;
cnt.ptr = rtpmap->param.ptr + 1;
cnt.slen = rtpmap->param.slen - 1;
si->fmt.channel_cnt = (unsigned) pj_strtoul(&cnt);
}
} else {
si->fmt.channel_cnt = 1;
}
/* Get fmtp mode= param in local SDP, if any */
get_fmtp_mode(local_m, &local_m->desc.fmt[fmti], &local_fmtp_mode);
/* Determine payload type for outgoing channel, by finding
* dynamic payload type in remote SDP that matches the answer.
*/
si->tx_pt = 0xFFFF;
for (i=0; i<rem_m->desc.fmt_count; ++i) {
unsigned rpt;
pjmedia_sdp_attr *r_attr;
pjmedia_sdp_rtpmap r_rtpmap;
rpt = pj_strtoul(&rem_m->desc.fmt[i]);
if (rpt < 96)
continue;
r_attr = pjmedia_sdp_media_find_attr(rem_m, &ID_RTPMAP,
&rem_m->desc.fmt[i]);
if (!r_attr)
continue;
if (pjmedia_sdp_attr_get_rtpmap(r_attr, &r_rtpmap) != PJ_SUCCESS)
continue;
if (!pj_stricmp(&rtpmap->enc_name, &r_rtpmap.enc_name) &&
rtpmap->clock_rate == r_rtpmap.clock_rate)
{
/* Found matched codec. */
si->tx_pt = rpt;
/* Get fmtp mode param in remote SDP, if any */
get_fmtp_mode(rem_m, &rtpmap->pt, &rem_fmtp_mode);
break;
}
}
if (si->tx_pt == 0xFFFF)
return PJMEDIA_EMISSINGRTPMAP;
}
/* Now that we have codec info, get the codec param. */
si->param = pj_pool_alloc(pool, sizeof(*si->param));
status = pjmedia_codec_mgr_get_default_param(mgr, &si->fmt, si->param);
if (status != PJ_SUCCESS)
return status;
/* Set fmtp mode for both local and remote */
if (local_fmtp_mode != 0)
si->param->setting.dec_fmtp_mode = (pj_int8_t)local_fmtp_mode;
if (rem_fmtp_mode != 0)
si->param->setting.enc_fmtp_mode = (pj_int8_t)rem_fmtp_mode;
/* Get incomming payload type for telephone-events */
si->rx_event_pt = -1;
for (i=0; i<local_m->attr_count; ++i) {
pjmedia_sdp_rtpmap r;
attr = local_m->attr[i];
if (pj_strcmp(&attr->name, &ID_RTPMAP) != 0)
continue;
if (pjmedia_sdp_attr_get_rtpmap(attr, &r) != PJ_SUCCESS)
continue;
if (pj_strcmp(&r.enc_name, &ID_TELEPHONE_EVENT) == 0) {
si->rx_event_pt = pj_strtoul(&r.pt);
break;
}
}
/* Get outgoing payload type for telephone-events */
si->tx_event_pt = -1;
for (i=0; i<rem_m->attr_count; ++i) {
pjmedia_sdp_rtpmap r;
attr = rem_m->attr[i];
if (pj_strcmp(&attr->name, &ID_RTPMAP) != 0)
continue;
if (pjmedia_sdp_attr_get_rtpmap(attr, &r) != PJ_SUCCESS)
continue;
if (pj_strcmp(&r.enc_name, &ID_TELEPHONE_EVENT) == 0) {
si->tx_event_pt = pj_strtoul(&r.pt);
break;
}
}
/* Leave SSRC to random. */
si->ssrc = pj_rand();
/* Set default jitter buffer parameter. */
si->jb_init = si->jb_max = si->jb_min_pre = si->jb_max_pre = -1;
return PJ_SUCCESS;
}
/*
* Internal function for collecting codec info and param from the SDP media.
*/
static pj_status_t get_video_codec_info_param(pjmedia_vid_stream_info *si,
pj_pool_t *pool,
pjmedia_vid_codec_mgr *mgr,
const pjmedia_sdp_media *local_m,
const pjmedia_sdp_media *rem_m)
{
unsigned pt = 0;
const pjmedia_vid_codec_info *p_info;
pj_status_t status;
pt = pj_strtoul(&local_m->desc.fmt[0]);
/* Get payload type for receiving direction */
si->rx_pt = pt;
/* Get codec info and payload type for transmitting direction. */
if (pt < 96) {
/* For static payload types, get the codec info from codec manager. */
status = pjmedia_vid_codec_mgr_get_codec_info(mgr, pt, &p_info);
if (status != PJ_SUCCESS)
return status;
si->codec_info = *p_info;
/* Get payload type for transmitting direction.
* For static payload type, pt's are symetric.
*/
si->tx_pt = pt;
} else {
const pjmedia_sdp_attr *attr;
pjmedia_sdp_rtpmap *rtpmap;
pjmedia_codec_id codec_id;
pj_str_t codec_id_st;
unsigned i;
/* Determine payload type for outgoing channel, by finding
* dynamic payload type in remote SDP that matches the answer.
*/
si->tx_pt = 0xFFFF;
for (i=0; i<rem_m->desc.fmt_count; ++i) {
if (pjmedia_sdp_neg_fmt_match(NULL,
(pjmedia_sdp_media*)local_m, 0,
(pjmedia_sdp_media*)rem_m, i, 0) ==
PJ_SUCCESS)
{
/* Found matched codec. */
si->tx_pt = pj_strtoul(&rem_m->desc.fmt[i]);
break;
}
}
if (si->tx_pt == 0xFFFF)
return PJMEDIA_EMISSINGRTPMAP;
/* For dynamic payload types, get codec name from the rtpmap */
attr = pjmedia_sdp_media_find_attr(local_m, &ID_RTPMAP,
&local_m->desc.fmt[0]);
if (attr == NULL)
return PJMEDIA_EMISSINGRTPMAP;
status = pjmedia_sdp_attr_to_rtpmap(pool, attr, &rtpmap);
if (status != PJ_SUCCESS)
return status;
/* Then get the codec info from the codec manager */
pj_ansi_snprintf(codec_id, sizeof(codec_id), "%.*s/",
(int)rtpmap->enc_name.slen, rtpmap->enc_name.ptr);
codec_id_st = pj_str(codec_id);
i = 1;
status = pjmedia_vid_codec_mgr_find_codecs_by_id(mgr, &codec_id_st,
&i, &p_info, NULL);
if (status != PJ_SUCCESS)
return status;
si->codec_info = *p_info;
}
/* Request for codec with the correct packing for streaming */
si->codec_info.packings = PJMEDIA_VID_PACKING_PACKETS;
/* Now that we have codec info, get the codec param. */
si->codec_param = PJ_POOL_ALLOC_T(pool, pjmedia_vid_codec_param);
status = pjmedia_vid_codec_mgr_get_default_param(mgr,
&si->codec_info,
si->codec_param);
/* Adjust encoding bitrate, if higher than remote preference. The remote
* bitrate preference is read from SDP "b=TIAS" line in media level.
*/
if ((si->dir & PJMEDIA_DIR_ENCODING) && rem_m->bandw_count) {
unsigned i, bandw = 0;
for (i = 0; i < rem_m->bandw_count; ++i) {
const pj_str_t STR_BANDW_MODIFIER_TIAS = { "TIAS", 4 };
if (!pj_stricmp(&rem_m->bandw[i]->modifier,
&STR_BANDW_MODIFIER_TIAS))
{
bandw = rem_m->bandw[i]->value;
break;
}
}
if (bandw) {
pjmedia_video_format_detail *enc_vfd;
enc_vfd = pjmedia_format_get_video_format_detail(
&si->codec_param->enc_fmt, PJ_TRUE);
if (!enc_vfd->avg_bps || enc_vfd->avg_bps > bandw)
enc_vfd->avg_bps = bandw * 3 / 4;
if (!enc_vfd->max_bps || enc_vfd->max_bps > bandw)
enc_vfd->max_bps = bandw;
}
}
/* Get remote fmtp for our encoder. */
pjmedia_stream_info_parse_fmtp(pool, rem_m, si->tx_pt,
&si->codec_param->enc_fmtp);
/* Get local fmtp for our decoder. */
pjmedia_stream_info_parse_fmtp(pool, local_m, si->rx_pt,
&si->codec_param->dec_fmtp);
/* When direction is NONE (it means SDP negotiation has failed) we don't
* need to return a failure here, as returning failure will cause
* the whole SDP to be rejected. See ticket #:
* http://
*
* Thanks Alain Totouom
*/
if (status != PJ_SUCCESS && si->dir != PJMEDIA_DIR_NONE)
return status;
return PJ_SUCCESS;
}
/*
* Create stream info from SDP media line.
*/
PJ_DEF(pj_status_t) pjmedia_vid_stream_info_from_sdp(
pjmedia_vid_stream_info *si,
pj_pool_t *pool,
pjmedia_endpt *endpt,
const pjmedia_sdp_session *local,
const pjmedia_sdp_session *remote,
unsigned stream_idx)
{
const pjmedia_sdp_attr *attr;
const pjmedia_sdp_media *local_m;
const pjmedia_sdp_media *rem_m;
const pjmedia_sdp_conn *local_conn;
const pjmedia_sdp_conn *rem_conn;
int rem_af, local_af;
pj_sockaddr local_addr;
pj_status_t status;
PJ_UNUSED_ARG(endpt);
/* Validate arguments: */
PJ_ASSERT_RETURN(pool && si && local && remote, PJ_EINVAL);
PJ_ASSERT_RETURN(stream_idx < local->media_count, PJ_EINVAL);
PJ_ASSERT_RETURN(stream_idx < remote->media_count, PJ_EINVAL);
/* Keep SDP shortcuts */
local_m = local->media[stream_idx];
rem_m = remote->media[stream_idx];
local_conn = local_m->conn ? local_m->conn : local->conn;
if (local_conn == NULL)
return PJMEDIA_SDP_EMISSINGCONN;
rem_conn = rem_m->conn ? rem_m->conn : remote->conn;
if (rem_conn == NULL)
return PJMEDIA_SDP_EMISSINGCONN;
/* Media type must be video */
if (pj_stricmp(&local_m->desc.media, &ID_VIDEO) != 0)
return PJMEDIA_EINVALIMEDIATYPE;
/* Reset: */
pj_bzero(si, sizeof(*si));
/* Media type: */
si->type = PJMEDIA_TYPE_VIDEO;
/* Transport protocol */
/* At this point, transport type must be compatible,
* the transport instance will do more validation later.
*/
status = pjmedia_sdp_transport_cmp(&rem_m->desc.transport,
&local_m->desc.transport);
if (status != PJ_SUCCESS)
return PJMEDIA_SDPNEG_EINVANSTP;
if (pj_stricmp(&local_m->desc.transport, &ID_RTP_AVP) == 0) {
si->proto = PJMEDIA_TP_PROTO_RTP_AVP;
} else if (pj_stricmp(&local_m->desc.transport, &ID_RTP_SAVP) == 0) {
si->proto = PJMEDIA_TP_PROTO_RTP_SAVP;
} else {
si->proto = PJMEDIA_TP_PROTO_UNKNOWN;
return PJ_SUCCESS;
}
/* Check address family in remote SDP */
rem_af = pj_AF_UNSPEC();
if (pj_stricmp(&rem_conn->net_type, &ID_IN)==0) {
if (pj_stricmp(&rem_conn->addr_type, &ID_IP4)==0) {
rem_af = pj_AF_INET();
} else if (pj_stricmp(&rem_conn->addr_type, &ID_IP6)==0) {
rem_af = pj_AF_INET6();
}
}
if (rem_af==pj_AF_UNSPEC()) {
/* Unsupported address family */
return PJ_EAFNOTSUP;
}
/* Set remote address: */
status = pj_sockaddr_init(rem_af, &si->rem_addr, &rem_conn->addr,
rem_m->desc.port);
if (status != PJ_SUCCESS) {
/* Invalid IP address. */
return PJMEDIA_EINVALIDIP;
}
/* Check address family of local info */
local_af = pj_AF_UNSPEC();
if (pj_stricmp(&local_conn->net_type, &ID_IN)==0) {
if (pj_stricmp(&local_conn->addr_type, &ID_IP4)==0) {
local_af = pj_AF_INET();
} else if (pj_stricmp(&local_conn->addr_type, &ID_IP6)==0) {
local_af = pj_AF_INET6();
}
}
if (local_af==pj_AF_UNSPEC()) {
/* Unsupported address family */
return PJ_SUCCESS;
}
/* Set remote address: */
status = pj_sockaddr_init(local_af, &local_addr, &local_conn->addr,
local_m->desc.port);
if (status != PJ_SUCCESS) {
/* Invalid IP address. */
return PJMEDIA_EINVALIDIP;
}
/* Local and remote address family must match */
if (local_af != rem_af)
return PJ_EAFNOTSUP;
/* Media direction: */
if (local_m->desc.port == 0 ||
pj_sockaddr_has_addr(&local_addr)==PJ_FALSE ||
pj_sockaddr_has_addr(&si->rem_addr)==PJ_FALSE ||
pjmedia_sdp_media_find_attr(local_m, &STR_INACTIVE, NULL)!=NULL)
{
/* Inactive stream. */
si->dir = PJMEDIA_DIR_NONE;
} else if (pjmedia_sdp_media_find_attr(local_m, &STR_SENDONLY, NULL)!=NULL) {
/* Send only stream. */
si->dir = PJMEDIA_DIR_ENCODING;
} else if (pjmedia_sdp_media_find_attr(local_m, &STR_RECVONLY, NULL)!=NULL) {
/* Recv only stream. */
si->dir = PJMEDIA_DIR_DECODING;
} else {
/* Send and receive stream. */
si->dir = PJMEDIA_DIR_ENCODING_DECODING;
}
/* No need to do anything else if stream is rejected */
if (local_m->desc.port == 0) {
return PJ_SUCCESS;
}
/* If "rtcp" attribute is present in the SDP, set the RTCP address
* from that attribute. Otherwise, calculate from RTP address.
*/
attr = pjmedia_sdp_attr_find2(rem_m->attr_count, rem_m->attr,
"rtcp", NULL);
if (attr) {
pjmedia_sdp_rtcp_attr rtcp;
status = pjmedia_sdp_attr_get_rtcp(attr, &rtcp);
if (status == PJ_SUCCESS) {
if (rtcp.addr.slen) {
status = pj_sockaddr_init(rem_af, &si->rem_rtcp, &rtcp.addr,
(pj_uint16_t)rtcp.port);
} else {
pj_sockaddr_init(rem_af, &si->rem_rtcp, NULL,
(pj_uint16_t)rtcp.port);
pj_memcpy(pj_sockaddr_get_addr(&si->rem_rtcp),
pj_sockaddr_get_addr(&si->rem_addr),
pj_sockaddr_get_addr_len(&si->rem_addr));
}
}
}
if (!pj_sockaddr_has_addr(&si->rem_rtcp)) {
int rtcp_port;
pj_memcpy(&si->rem_rtcp, &si->rem_addr, sizeof(pj_sockaddr));
rtcp_port = pj_sockaddr_get_port(&si->rem_addr) + 1;
pj_sockaddr_set_port(&si->rem_rtcp, (pj_uint16_t)rtcp_port);
}
/* Get codec info and param */
status = get_video_codec_info_param(si, pool, NULL, local_m, rem_m);
/* Leave SSRC to random. */
si->ssrc = pj_rand();
/* Set default jitter buffer parameter. */
si->jb_init = si->jb_max = si->jb_min_pre = si->jb_max_pre = -1;
return status;
}
int dummy_function()
{
pj_caching_pool cp;
sprintf(NULL, "%d", 0);
rand();
#ifdef HAS_PJLIB
pj_init();
pj_caching_pool_init(&cp, NULL, 0);
pj_array_erase(NULL, 0, 0, 0);
pj_create_unique_string(NULL, NULL);
pj_hash_create(NULL, 0);
pj_hash_get(NULL, NULL, 0, NULL);
pj_hash_set(NULL, NULL, NULL, 0, 0, NULL);
pj_ioqueue_create(NULL, 0, NULL);
pj_ioqueue_register_sock(NULL, NULL, 0, NULL, NULL, NULL);
pj_pool_alloc(NULL, 0);
pj_timer_heap_create(NULL, 0, NULL);
#endif
#ifdef HAS_PJLIB_STUN
pjstun_get_mapped_addr(&cp.factory, 0, NULL, NULL, 80, NULL, 80, NULL);
#endif
#ifdef HAS_PJLIB_GETOPT
pj_getopt_long(0, NULL, NULL, NULL, NULL);
#endif
#ifdef HAS_PJLIB_XML
pj_xml_parse(NULL, NULL, 100);
pj_xml_print(NULL, NULL, 10, PJ_FALSE);
pj_xml_clone(NULL, NULL);
pj_xml_node_new(NULL, NULL);
pj_xml_attr_new(NULL, NULL, NULL);
pj_xml_add_node(NULL, NULL);
pj_xml_add_attr(NULL, NULL);
pj_xml_find_node(NULL, NULL);
pj_xml_find_next_node(NULL, NULL, NULL);
pj_xml_find_attr(NULL, NULL, NULL);
pj_xml_find(NULL, NULL, NULL, NULL);
#endif
#ifdef HAS_PJLIB_SCANNER
pj_cis_buf_init(NULL);
pj_cis_init(NULL, NULL);
pj_cis_dup(NULL, NULL);
pj_cis_add_alpha(NULL);
pj_cis_add_str(NULL, NULL);
pj_scan_init(NULL, NULL, 0, 0, NULL);
pj_scan_fini(NULL);
pj_scan_peek(NULL, NULL, NULL);
pj_scan_peek_n(NULL, 0, NULL);
pj_scan_peek_until(NULL, NULL, NULL);
pj_scan_get(NULL, NULL, NULL);
pj_scan_get_unescape(NULL, NULL, NULL);
pj_scan_get_quote(NULL, 0, 0, NULL);
pj_scan_get_n(NULL, 0, NULL);
pj_scan_get_char(NULL);
pj_scan_get_until(NULL, NULL, NULL);
pj_scan_strcmp(NULL, NULL, 0);
pj_scan_stricmp(NULL, NULL, 0);
pj_scan_stricmp_alnum(NULL, NULL, 0);
pj_scan_get_newline(NULL);
pj_scan_restore_state(NULL, NULL);
#endif
#ifdef HAS_PJLIB_DNS
pj_dns_make_query(NULL, NULL, 0, 0, NULL);
pj_dns_parse_packet(NULL, NULL, 0, NULL);
pj_dns_packet_dup(NULL, NULL, 0, NULL);
#endif
#ifdef HAS_PJLIB_RESOLVER
pj_dns_resolver_create(NULL, NULL, 0, NULL, NULL, NULL);
pj_dns_resolver_set_ns(NULL, 0, NULL, NULL);
pj_dns_resolver_handle_events(NULL, NULL);
pj_dns_resolver_destroy(NULL, 0);
pj_dns_resolver_start_query(NULL, NULL, 0, 0, NULL, NULL, NULL);
pj_dns_resolver_cancel_query(NULL, 0);
pj_dns_resolver_add_entry(NULL, NULL, 0);
#endif
#ifdef HAS_PJLIB_SRV_RESOLVER
pj_dns_srv_resolve(NULL, NULL, 0, NULL, NULL, PJ_FALSE, NULL, NULL);
#endif
#ifdef HAS_PJLIB_CRC32
pj_crc32_init(NULL);
pj_crc32_update(NULL, NULL, 0);
pj_crc32_final(NULL);
#endif
#ifdef HAS_PJLIB_HMAC_MD5
pj_hmac_md5(NULL, 0, NULL, 0, NULL);
#endif
#ifdef HAS_PJLIB_HMAC_SHA1
pj_hmac_sha1(NULL, 0, NULL, 0, NULL);
#endif
#ifdef HAS_PJNATH_STUN
pj_stun_session_create(NULL, NULL, NULL, PJ_FALSE, NULL);
pj_stun_session_destroy(NULL);
pj_stun_session_set_credential(NULL, NULL);
pj_stun_session_create_req(NULL, 0, NULL, NULL);
pj_stun_session_create_ind(NULL, 0, NULL);
pj_stun_session_create_res(NULL, NULL, 0, NULL, NULL);
pj_stun_session_send_msg(NULL, PJ_FALSE, NULL, 0, NULL);
#endif
#ifdef HAS_PJNATH_ICE
pj_ice_strans_create(NULL, NULL, 0, NULL, NULL, NULL);
pj_ice_strans_set_stun_domain(NULL, NULL, NULL);
pj_ice_strans_create_comp(NULL, 0, 0, NULL);
pj_ice_strans_add_cand(NULL, 0, PJ_ICE_CAND_TYPE_HOST, 0, NULL, PJ_FALSE);
pj_ice_strans_init_ice(NULL, PJ_ICE_SESS_ROLE_CONTROLLED, NULL, NULL);
pj_ice_strans_start_ice(NULL, NULL, NULL, 0, NULL);
pj_ice_strans_stop_ice(NULL);
pj_ice_strans_sendto(NULL, 0, NULL, 0, NULL, 0);
#endif
#ifdef HAS_PJSIP_CORE_MSG_ELEM
/* Parameter container */
pjsip_param_find(NULL, NULL);
pjsip_param_print_on(NULL, NULL, 0, NULL, NULL, 0);
/* SIP URI */
pjsip_sip_uri_create(NULL, 0);
pjsip_name_addr_create(NULL);
/* TEL URI */
pjsip_tel_uri_create(NULL);
/* Message and headers */
pjsip_msg_create(NULL, PJSIP_REQUEST_MSG);
pjsip_msg_print(NULL, NULL, 0);
pjsip_accept_hdr_create(NULL);
pjsip_allow_hdr_create(NULL);
pjsip_cid_hdr_create(NULL);
pjsip_clen_hdr_create(NULL);
pjsip_cseq_hdr_create(NULL);
pjsip_contact_hdr_create(NULL);
pjsip_ctype_hdr_create(NULL);
pjsip_expires_hdr_create(NULL, 0);
pjsip_from_hdr_create(NULL);
pjsip_max_fwd_hdr_create(NULL, 0);
pjsip_min_expires_hdr_create(NULL, 0);
pjsip_rr_hdr_create(NULL);
pjsip_require_hdr_create(NULL);
pjsip_retry_after_hdr_create(NULL, 0);
pjsip_supported_hdr_create(NULL);
pjsip_unsupported_hdr_create(NULL);
pjsip_via_hdr_create(NULL);
pjsip_warning_hdr_create(NULL, 0, NULL, NULL);
pjsip_parse_uri(NULL, NULL, 0, 0);
pjsip_parse_msg(NULL, NULL, 0, NULL);
pjsip_parse_rdata(NULL, 0, NULL);
pjsip_find_msg(NULL, 0, 0, NULL);
#endif
#ifdef HAS_PJSIP_CORE
pjsip_endpt_create(NULL, NULL, NULL);
pjsip_tpmgr_create(NULL, NULL, NULL, NULL, NULL);
pjsip_tpmgr_destroy(NULL);
pjsip_transport_send(NULL, NULL, NULL, 0, NULL, NULL);
#endif
#ifdef HAS_PJSIP_CORE_MSG_UTIL
pjsip_endpt_create_request(NULL, NULL, NULL, NULL, NULL, NULL, NULL,
-1, NULL, NULL);
pjsip_endpt_create_request_from_hdr(NULL, NULL, NULL, NULL, NULL, NULL,
NULL, -1, NULL, NULL);
pjsip_endpt_create_response(NULL, NULL, -1, NULL, NULL);
pjsip_endpt_create_ack(NULL, NULL, NULL, NULL);
pjsip_endpt_create_cancel(NULL, NULL, NULL);
pjsip_get_request_dest(NULL, NULL);
pjsip_endpt_send_request_stateless(NULL, NULL, NULL, NULL);
pjsip_get_response_addr(NULL, NULL, NULL);
pjsip_endpt_send_response(NULL, NULL, NULL, NULL, NULL);
pjsip_endpt_respond_stateless(NULL, NULL, -1, NULL, NULL, NULL);
#endif
#ifdef HAS_PJSIP_UDP_TRANSPORT
pjsip_udp_transport_start(NULL, NULL, NULL, 1, NULL);
#endif
#ifdef HAS_PJSIP_TCP_TRANSPORT
pjsip_tcp_transport_start(NULL, NULL, 1, NULL);
#endif
#ifdef HAS_PJSIP_TLS_TRANSPORT
pjsip_tls_transport_start(NULL, NULL, NULL, NULL, 0, NULL);
#endif
#ifdef HAS_PJSIP_TRANSACTION
pjsip_tsx_layer_init_module(NULL);
pjsip_tsx_layer_destroy();
pjsip_tsx_create_uac(NULL, NULL, NULL);
pjsip_tsx_create_uas(NULL, NULL, NULL);
pjsip_tsx_recv_msg(NULL, NULL);
pjsip_tsx_send_msg(NULL, NULL);
pjsip_tsx_terminate(NULL, 200);
pjsip_endpt_send_request(NULL, NULL, -1, NULL, NULL);
pjsip_endpt_respond(NULL, NULL, NULL, -1, NULL, NULL, NULL, NULL);
#endif
#ifdef HAS_PJMEDIA_SDP
pjmedia_sdp_parse(NULL, NULL, 1024, NULL);
pjmedia_sdp_print(NULL, NULL, 1024);
pjmedia_sdp_validate(NULL);
pjmedia_sdp_session_clone(NULL, NULL);
pjmedia_sdp_session_cmp(NULL, NULL, 0);
pjmedia_sdp_attr_to_rtpmap(NULL, NULL, NULL);
pjmedia_sdp_attr_get_fmtp(NULL, NULL);
pjmedia_sdp_attr_get_rtcp(NULL, NULL);
pjmedia_sdp_conn_clone(NULL, NULL);
pjmedia_sdp_media_clone(NULL, NULL);
pjmedia_sdp_media_find_attr(NULL, NULL, NULL);
#endif
#ifdef HAS_PJMEDIA_SDP_NEGOTIATOR
pjmedia_sdp_neg_create_w_local_offer(NULL, NULL, NULL);
pjmedia_sdp_neg_create_w_remote_offer(NULL, NULL, NULL, NULL);
pjmedia_sdp_neg_get_state(NULL);
pjmedia_sdp_neg_negotiate(NULL, NULL, PJ_FALSE);
#endif
#ifdef HAS_PJSIP_UA_LAYER
pjsip_ua_init_module(NULL, NULL);
pjsip_ua_destroy();
pjsip_dlg_create_uac(NULL, NULL, NULL, NULL, NULL, NULL);
pjsip_dlg_create_uas_and_inc_lock(NULL, NULL, NULL, NULL);
pjsip_dlg_terminate(NULL);
pjsip_dlg_set_route_set(NULL, NULL);
pjsip_dlg_create_request(NULL, NULL, -1, NULL);
pjsip_dlg_send_request(NULL, NULL, -1, NULL);
pjsip_dlg_create_response(NULL, NULL, -1, NULL, NULL);
pjsip_dlg_modify_response(NULL, NULL, -1, NULL);
pjsip_dlg_send_response(NULL, NULL, NULL);
pjsip_dlg_respond(NULL, NULL, -1, NULL, NULL, NULL);
#endif
#ifdef HAS_PJSIP_AUTH_CLIENT
pjsip_auth_clt_init(NULL, NULL, NULL, 0);
pjsip_auth_clt_clone(NULL, NULL, NULL);
pjsip_auth_clt_set_credentials(NULL, 0, NULL);
pjsip_auth_clt_init_req(NULL, NULL);
pjsip_auth_clt_reinit_req(NULL, NULL, NULL, NULL);
#endif
#ifdef HAS_PJSIP_INV_SESSION
pjsip_inv_usage_init(NULL, NULL);
pjsip_inv_create_uac(NULL, NULL, 0, NULL);
pjsip_inv_verify_request(NULL, NULL, NULL, NULL, NULL, NULL);
pjsip_inv_create_uas(NULL, NULL, NULL, 0, NULL);
pjsip_inv_terminate(NULL, 200, PJ_FALSE);
pjsip_inv_invite(NULL, NULL);
pjsip_inv_initial_answer(NULL, NULL, 200, NULL, NULL, NULL);
pjsip_inv_answer(NULL, 200, NULL, NULL, NULL);
pjsip_inv_end_session(NULL, 200, NULL, NULL);
pjsip_inv_reinvite(NULL, NULL, NULL, NULL);
pjsip_inv_update(NULL, NULL, NULL, NULL);
pjsip_inv_send_msg(NULL, NULL);
pjsip_dlg_get_inv_session(NULL);
//pjsip_tsx_get_inv_session(NULL);
pjsip_inv_state_name(PJSIP_INV_STATE_NULL);
#endif
#ifdef HAS_PJSIP_REGC
//pjsip_regc_get_module();
pjsip_regc_create(NULL, NULL, NULL, NULL);
pjsip_regc_destroy(NULL);
pjsip_regc_get_info(NULL, NULL);
pjsip_regc_get_pool(NULL);
pjsip_regc_init(NULL, NULL, NULL, NULL, 0, NULL, 600);
pjsip_regc_set_credentials(NULL, 1, NULL);
pjsip_regc_set_route_set(NULL, NULL);
pjsip_regc_register(NULL, PJ_TRUE, NULL);
pjsip_regc_unregister(NULL, NULL);
pjsip_regc_update_contact(NULL, 10, NULL);
pjsip_regc_update_expires(NULL, 600);
pjsip_regc_send(NULL, NULL);
#endif
#ifdef HAS_PJSIP_EVENT_FRAMEWORK
pjsip_evsub_init_module(NULL);
pjsip_evsub_instance();
pjsip_evsub_register_pkg(NULL, NULL, 30, 10, NULL);
pjsip_evsub_create_uac(NULL, NULL, NULL, 10, NULL);
pjsip_evsub_create_uas(NULL, NULL, NULL, 10, NULL);
pjsip_evsub_terminate(NULL, PJ_FALSE);
pjsip_evsub_get_state(NULL);
pjsip_evsub_get_state_name(NULL);
pjsip_evsub_initiate(NULL, NULL, -1, NULL);
pjsip_evsub_accept(NULL, NULL, 200, NULL);
pjsip_evsub_notify(NULL, PJSIP_EVSUB_STATE_ACTIVE, NULL, NULL, NULL);
pjsip_evsub_current_notify(NULL, NULL);
pjsip_evsub_send_request(NULL, NULL);
pjsip_tsx_get_evsub(NULL);
pjsip_evsub_set_mod_data(NULL, 1, NULL);
pjsip_evsub_get_mod_data(NULL, 1);
#endif
#ifdef HAS_PJSIP_CALL_TRANSFER
pjsip_xfer_init_module(NULL);
pjsip_xfer_create_uac(NULL, NULL, NULL);
pjsip_xfer_create_uas(NULL, NULL, NULL, NULL);
pjsip_xfer_initiate(NULL, NULL, NULL);
pjsip_xfer_accept(NULL, NULL, 200, NULL);
pjsip_xfer_notify(NULL, PJSIP_EVSUB_STATE_ACTIVE, 200, NULL, NULL);
pjsip_xfer_current_notify(NULL, NULL);
pjsip_xfer_send_request(NULL, NULL);
#endif
#ifdef HAS_PJSIP_PRESENCE
pjsip_pres_init_module(NULL, NULL);
pjsip_pres_instance();
pjsip_pres_create_uac(NULL, NULL, 0, NULL);
pjsip_pres_create_uas(NULL, NULL, NULL, NULL);
pjsip_pres_terminate(NULL, PJ_FALSE);
pjsip_pres_initiate(NULL, 100, NULL);
pjsip_pres_accept(NULL, NULL, 200, NULL);
pjsip_pres_notify(NULL, PJSIP_EVSUB_STATE_ACTIVE, NULL, NULL, NULL);
pjsip_pres_current_notify(NULL, NULL);
pjsip_pres_send_request(NULL, NULL);
pjsip_pres_get_status(NULL, NULL);
pjsip_pres_set_status(NULL, NULL);
#endif
#ifdef HAS_PJSIP_IS_COMPOSING
pjsip_iscomposing_create_xml(NULL, PJ_TRUE, NULL, NULL, 0);
pjsip_iscomposing_create_body(NULL, PJ_TRUE, NULL, NULL, 0);
pjsip_iscomposing_parse(NULL, NULL, 0, NULL, NULL, NULL, NULL);
#endif
#ifdef HAS_PJMEDIA
pjmedia_endpt_create(NULL, NULL, 1, NULL);
pjmedia_endpt_destroy(NULL);
pjmedia_endpt_create_sdp(NULL, NULL, 1, NULL, NULL);
#endif
#ifdef HAS_PJMEDIA_EC
pjmedia_echo_create(NULL, 0, 0, 0, 0, 0, NULL);
pjmedia_echo_destroy(NULL);
pjmedia_echo_playback(NULL, NULL);
pjmedia_echo_capture(NULL, NULL, 0);
pjmedia_echo_cancel(NULL, NULL, NULL, 0, NULL);
#endif
#ifdef HAS_PJMEDIA_SND_DEV
pjmedia_snd_init(NULL);
pjmedia_snd_get_dev_count();
pjmedia_snd_get_dev_info(0);
pjmedia_snd_open(-1, -1, 8000, 1, 80, 16, NULL, NULL, NULL, NULL);
pjmedia_snd_open_rec(-1, 8000, 1, 160, 16, NULL, NULL, NULL);
pjmedia_snd_open_player(-1, 8000, 1, 160, 16, NULL, NULL, NULL);
pjmedia_snd_stream_start(NULL);
pjmedia_snd_stream_stop(NULL);
pjmedia_snd_stream_close(NULL);
pjmedia_snd_deinit();
#endif
#ifdef HAS_PJMEDIA_SND_PORT
pjmedia_snd_port_create(NULL, -1, -1, 8000, 1, 180, 16, 0, NULL);
pjmedia_snd_port_create_rec(NULL, -1, 8000, 1, 160, 16, 0, NULL);
pjmedia_snd_port_create_player(NULL, -1, 8000, 1, 160, 16, 0, NULL);
pjmedia_snd_port_destroy(NULL);
pjmedia_snd_port_get_snd_stream(NULL);
pjmedia_snd_port_connect(NULL, NULL);
pjmedia_snd_port_get_port(NULL);
pjmedia_snd_port_disconnect(NULL);
#endif
#ifdef HAS_PJMEDIA_RESAMPLE
pjmedia_resample_create(NULL, PJ_TRUE, PJ_TRUE, 0, 0, 0, 0, NULL);
pjmedia_resample_run(NULL, NULL, NULL);
#endif
#ifdef HAS_PJMEDIA_SILENCE_DET
pjmedia_silence_det_create(NULL, 8000, 80, NULL);
pjmedia_silence_det_detect(NULL, NULL, 0, NULL);
pjmedia_silence_det_apply(NULL, 0);
#endif
#ifdef HAS_PJMEDIA_PLC
pjmedia_plc_create(NULL, 8000, 80, 0, NULL);
pjmedia_plc_save(NULL, NULL);
pjmedia_plc_generate(NULL, NULL);
#endif
#ifdef HAS_PJMEDIA_CONFERENCE
pjmedia_conf_create(NULL, 10, 8000, 1, 160, 16, 0, NULL);
pjmedia_conf_destroy(NULL);
pjmedia_conf_get_master_port(NULL);
pjmedia_conf_add_port(NULL, NULL, NULL, NULL, NULL);
pjmedia_conf_configure_port(NULL, 1, 0, 0);
pjmedia_conf_connect_port(NULL, 0, 0, 0);
pjmedia_conf_disconnect_port(NULL, 0, 0);
pjmedia_conf_remove_port(NULL, 0);
pjmedia_conf_enum_ports(NULL, NULL, NULL);
pjmedia_conf_get_port_info(NULL, 0, NULL);
pjmedia_conf_get_ports_info(NULL, NULL, NULL);
pjmedia_conf_get_signal_level(NULL, 0, NULL, NULL);
pjmedia_conf_adjust_rx_level(NULL, 0, 0);
pjmedia_conf_adjust_tx_level(NULL, 0, 0);
#endif
#ifdef HAS_PJMEDIA_MASTER_PORT
pjmedia_master_port_create(NULL, NULL, NULL, 0, NULL);
pjmedia_master_port_start(NULL);
pjmedia_master_port_stop(NULL);
pjmedia_master_port_set_uport(NULL, NULL);
pjmedia_master_port_get_uport(NULL);
pjmedia_master_port_set_dport(NULL, NULL);
pjmedia_master_port_get_dport(NULL);
pjmedia_master_port_destroy(NULL, PJ_FALSE);
#endif
#ifdef HAS_PJMEDIA_RTP
pjmedia_rtp_session_init(NULL, 0, 0);
pjmedia_rtp_encode_rtp(NULL, 0, 0, 0, 0, NULL, NULL);
pjmedia_rtp_decode_rtp(NULL, NULL, 0, NULL, NULL, NULL);
pjmedia_rtp_session_update(NULL, NULL, NULL);
#endif
#ifdef HAS_PJMEDIA_RTCP
pjmedia_rtcp_init(NULL, NULL, 0, 0, 0);
pjmedia_rtcp_get_ntp_time(NULL, NULL);
pjmedia_rtcp_fini(NULL);
pjmedia_rtcp_rx_rtp(NULL, 0, 0, 0);
pjmedia_rtcp_tx_rtp(NULL, 0);
pjmedia_rtcp_rx_rtcp(NULL, NULL, 0);
pjmedia_rtcp_build_rtcp(NULL, NULL, NULL);
#endif
#ifdef HAS_PJMEDIA_JBUF
pjmedia_jbuf_create(NULL, NULL, 0, 0, 0, NULL);
pjmedia_jbuf_set_fixed(NULL, 0);
pjmedia_jbuf_set_adaptive(NULL, 0, 0, 0);
pjmedia_jbuf_destroy(NULL);
pjmedia_jbuf_put_frame(NULL, NULL, 0, 0);
pjmedia_jbuf_get_frame(NULL, NULL, NULL);
#endif
#ifdef HAS_PJMEDIA_STREAM
pjmedia_stream_create(NULL, NULL, NULL, NULL, NULL, NULL);
pjmedia_stream_destroy(NULL);
pjmedia_stream_get_port(NULL, NULL);
pjmedia_stream_get_transport(NULL);
pjmedia_stream_start(NULL);
pjmedia_stream_get_stat(NULL, NULL);
pjmedia_stream_pause(NULL, PJMEDIA_DIR_ENCODING);
pjmedia_stream_resume(NULL, PJMEDIA_DIR_ENCODING);
pjmedia_stream_dial_dtmf(NULL, NULL);
pjmedia_stream_check_dtmf(NULL);
pjmedia_stream_get_dtmf(NULL, NULL, NULL);
#endif
#ifdef HAS_PJMEDIA_TONEGEN
pjmedia_tonegen_create(NULL, 0, 0, 0, 0, 0, NULL);
pjmedia_tonegen_is_busy(NULL);
pjmedia_tonegen_stop(NULL);
pjmedia_tonegen_play(NULL, 0, NULL, 0);
pjmedia_tonegen_play_digits(NULL, 0, NULL, 0);
pjmedia_tonegen_get_digit_map(NULL, NULL);
pjmedia_tonegen_set_digit_map(NULL, NULL);
#endif
#ifdef HAS_PJMEDIA_UDP_TRANSPORT
pjmedia_transport_udp_create(NULL, NULL, 0, 0, NULL);
pjmedia_transport_udp_close(NULL);
#endif
#ifdef HAS_PJMEDIA_FILE_PLAYER
pjmedia_wav_player_port_create(NULL, NULL, 0, 0, 0, NULL);
pjmedia_wav_player_port_set_pos(NULL, 0);
pjmedia_wav_player_port_get_pos(NULL);
pjmedia_wav_player_set_eof_cb(NULL, NULL, NULL);
#endif
#ifdef HAS_PJMEDIA_FILE_CAPTURE
pjmedia_wav_writer_port_create(NULL, NULL, 8000, 1, 80, 16, 0, 0, NULL);
pjmedia_wav_writer_port_get_pos(NULL);
pjmedia_wav_writer_port_set_cb(NULL, 0, NULL, NULL);
#endif
#ifdef HAS_PJMEDIA_MEM_PLAYER
pjmedia_mem_player_create(NULL, NULL, 1000, 8000, 1, 80, 16, 0, NULL);
#endif
#ifdef HAS_PJMEDIA_MEM_CAPTURE
pjmedia_mem_capture_create(NULL, NULL, 1000, 8000, 1, 80, 16, 0, NULL);
#endif
#ifdef HAS_PJMEDIA_ICE
pjmedia_ice_create(NULL, NULL, 0, NULL, NULL);
pjmedia_ice_destroy(NULL);
pjmedia_ice_start_init(NULL, 0, NULL, NULL, NULL);
pjmedia_ice_init_ice(NULL, PJ_ICE_SESS_ROLE_CONTROLLED, NULL, NULL);
pjmedia_ice_modify_sdp(NULL, NULL, NULL);
pjmedia_ice_start_ice(NULL, NULL, NULL, 0);
pjmedia_ice_stop_ice(NULL);
#endif
#ifdef HAS_PJMEDIA_G711_CODEC
pjmedia_codec_g711_init(NULL);
pjmedia_codec_g711_deinit();
#endif
#ifdef HAS_PJMEDIA_GSM_CODEC
pjmedia_codec_gsm_init(NULL);
pjmedia_codec_gsm_deinit();
#endif
#ifdef HAS_PJMEDIA_SPEEX_CODEC
pjmedia_codec_speex_init(NULL, 0, 0, 0);
pjmedia_codec_speex_deinit();
#endif
#ifdef HAS_PJMEDIA_ILBC_CODEC
pjmedia_codec_ilbc_init(NULL, 0);
pjmedia_codec_ilbc_deinit();
#endif
return 0;
}
