Пример #1
0
void Sdp::setActiveRemoteSdpSession(const pjmedia_sdp_session *sdp)
{
    activeRemoteSession_ = (pjmedia_sdp_session*) sdp;

    if (!sdp) {
        ERROR("Remote sdp is NULL while parsing telephone event attribute");
        return;
    }

    for (unsigned i = 0; i < sdp->media_count; i++)
        if (pj_stricmp2(&sdp->media[i]->desc.media, "audio") == 0) {
            pjmedia_sdp_media *r_media = sdp->media[i];
            static const pj_str_t STR_TELEPHONE_EVENT = { (char*) "telephone-event", 15};
            pjmedia_sdp_attr *attribute = pjmedia_sdp_attr_find(r_media->attr_count, r_media->attr, &STR_TELEPHONE_EVENT, NULL);

            if (attribute != NULL) {
                pjmedia_sdp_rtpmap *rtpmap;
                pjmedia_sdp_attr_to_rtpmap(memPool_, attribute, &rtpmap);
                telephoneEventPayload_ = pj_strtoul(&rtpmap->pt);
            }

            return;
        }

    ERROR("Could not found dtmf event from remote sdp");
}
Пример #2
0
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);
    }
}
Пример #3
0
static void get_codecs(struct ast_sip_session *session, const struct pjmedia_sdp_media *stream, struct ast_rtp_codecs *codecs)
{
	pjmedia_sdp_attr *attr;
	pjmedia_sdp_rtpmap *rtpmap;
	pjmedia_sdp_fmtp fmtp;
	struct ast_format *format;
	int i, num = 0;
	char name[256];
	char media[20];
	char fmt_param[256];

	ast_rtp_codecs_payloads_initialize(codecs);

	/* Iterate through provided formats */
	for (i = 0; i < stream->desc.fmt_count; ++i) {
		/* The payload is kept as a string for things like t38 but for video it is always numerical */
		ast_rtp_codecs_payloads_set_m_type(codecs, NULL, pj_strtoul(&stream->desc.fmt[i]));
		/* Look for the optional rtpmap attribute */
		if (!(attr = pjmedia_sdp_media_find_attr2(stream, "rtpmap", &stream->desc.fmt[i]))) {
			continue;
		}

		/* Interpret the attribute as an rtpmap */
		if ((pjmedia_sdp_attr_to_rtpmap(session->inv_session->pool_prov, attr, &rtpmap)) != PJ_SUCCESS) {
			continue;
		}

		ast_copy_pj_str(name, &rtpmap->enc_name, sizeof(name));
		ast_copy_pj_str(media, (pj_str_t*)&stream->desc.media, sizeof(media));
		ast_rtp_codecs_payloads_set_rtpmap_type_rate(codecs, NULL, pj_strtoul(&stream->desc.fmt[i]),
							     media, name, 0, rtpmap->clock_rate);
		/* Look for an optional associated fmtp attribute */
		if (!(attr = pjmedia_sdp_media_find_attr2(stream, "fmtp", &rtpmap->pt))) {
			continue;
		}

		if ((pjmedia_sdp_attr_get_fmtp(attr, &fmtp)) == PJ_SUCCESS) {
			sscanf(pj_strbuf(&fmtp.fmt), "%d", &num);
			if ((format = ast_rtp_codecs_get_payload_format(codecs, num))) {
				ast_copy_pj_str(fmt_param, &fmtp.fmt_param, sizeof(fmt_param));
				ast_format_sdp_parse(format, fmt_param);
			}
		}
	}
}
Пример #4
0
static void get_codecs(struct ast_sip_session *session, const struct pjmedia_sdp_media *stream, struct ast_rtp_codecs *codecs,
       struct ast_sip_session_media *session_media)
{
	pjmedia_sdp_attr *attr;
	pjmedia_sdp_rtpmap *rtpmap;
	pjmedia_sdp_fmtp fmtp;
	struct ast_format *format;
	int i, num = 0, tel_event = 0;
	char name[256];
	char media[20];
	char fmt_param[256];
	enum ast_rtp_options options = session->endpoint->media.g726_non_standard ?
		AST_RTP_OPT_G726_NONSTANDARD : 0;

	ast_rtp_codecs_payloads_initialize(codecs);

	/* Iterate through provided formats */
	for (i = 0; i < stream->desc.fmt_count; ++i) {
		/* The payload is kept as a string for things like t38 but for video it is always numerical */
		ast_rtp_codecs_payloads_set_m_type(codecs, NULL, pj_strtoul(&stream->desc.fmt[i]));
		/* Look for the optional rtpmap attribute */
		if (!(attr = pjmedia_sdp_media_find_attr2(stream, "rtpmap", &stream->desc.fmt[i]))) {
			continue;
		}

		/* Interpret the attribute as an rtpmap */
		if ((pjmedia_sdp_attr_to_rtpmap(session->inv_session->pool_prov, attr, &rtpmap)) != PJ_SUCCESS) {
			continue;
		}

		ast_copy_pj_str(name, &rtpmap->enc_name, sizeof(name));
                if (strcmp(name,"telephone-event") == 0) {
                        tel_event++;
                }

		ast_copy_pj_str(media, (pj_str_t*)&stream->desc.media, sizeof(media));
		ast_rtp_codecs_payloads_set_rtpmap_type_rate(codecs, NULL, pj_strtoul(&stream->desc.fmt[i]),
							     media, name, options, rtpmap->clock_rate);
		/* Look for an optional associated fmtp attribute */
		if (!(attr = pjmedia_sdp_media_find_attr2(stream, "fmtp", &rtpmap->pt))) {
			continue;
		}

		if ((pjmedia_sdp_attr_get_fmtp(attr, &fmtp)) == PJ_SUCCESS) {
			ast_copy_pj_str(fmt_param, &fmtp.fmt, sizeof(fmt_param));
			if (sscanf(fmt_param, "%30d", &num) != 1) {
				continue;
			}

			if ((format = ast_rtp_codecs_get_payload_format(codecs, num))) {
				struct ast_format *format_parsed;

				ast_copy_pj_str(fmt_param, &fmtp.fmt_param, sizeof(fmt_param));

				format_parsed = ast_format_parse_sdp_fmtp(format, fmt_param);
				if (format_parsed) {
					ast_rtp_codecs_payload_replace_format(codecs, num, format_parsed);
					ao2_ref(format_parsed, -1);
				}

				ao2_ref(format, -1);
			}
		}
	}
	if ((tel_event==0) && (session->endpoint->dtmf == AST_SIP_DTMF_AUTO)) {
                ast_rtp_instance_dtmf_mode_set(session_media->rtp, AST_RTP_DTMF_MODE_INBAND);
	}
	/* Get the packetization, if it exists */
	if ((attr = pjmedia_sdp_media_find_attr2(stream, "ptime", NULL))) {
		unsigned long framing = pj_strtoul(pj_strltrim(&attr->value));
		if (framing && session->endpoint->media.rtp.use_ptime) {
			ast_rtp_codecs_set_framing(codecs, framing);
		}
	}
}
Пример #5
0
/*
 * 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;
}
Пример #6
0
/*
 * 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;
}
Пример #7
0
/*
 * 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;
}
Пример #9
-1
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;
}