RE: [Linphone-users] ortp issues

[Iban Lopetegi Zinkunegi]

Answering myself, just in case somebody comes up with the same question...

ortp_init() should only be called once in your program, independently of how many threads you have. Simply put it in the main thread and it will do.

ortp_scheduling() is independent of each session. If you have a receiveonly session and a sendonly session you need to set per each independently. if you have receivesend session the scheduling will be apply for both.

I am still not sure how to deal with the sequence number. All i have so far is the next function, but still i get repeatitive sequence numbers.

int my_rtp_session_recv_with_ts_v2 (int * cseq_tmp,RtpSession * session, uint8_t * buffer,
                   int len, uint32_t ts, int * have_more){
    mblk_t *mp=NULL;
    int plen,blen=0;
    *have_more=0;
    rtp_header_t *hdr;

    while(1){
        if (session->pending){
            mp=session->pending;
            session->pending=NULL;
        }else {
            mp=rtp_session_recvm_with_ts(session,ts);
           
            if (mp!=NULL) {
                    hdr=(rtp_header_t*)mp->b_rptr;
                    rtp_get_payload(mp,&mp->b_rptr);
            }
        }
        if (mp){
            //hdr=(rtp_header_t*)mp->b_rptr;
            *cseq_tmp=hdr->seq_number;
            if (DEBUG)printf("csq%d",*cseq_tmp);
            plen=mp->b_wptr-mp->b_rptr;
            if (plen<=len){
                memcpy(buffer,mp->b_rptr,plen);
                buffer+=plen;
                blen+=plen;
                len-=plen;
                freemsg(mp);
                mp=NULL;
            }else{
                memcpy(buffer,mp->b_rptr,len);
                mp->b_rptr+=len;
                buffer+=len;
                blen+=len;
                len=0;
                session->pending=mp;
                *have_more=1;
                break;
            }
        }else break;
    }
    return blen;
}


As said this has outputs where seq number is repeated. So i still not sure how to deal with that. Any ideas?


Thanks

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From: address@hidden
To: address@hidden
Subject: RE: [Linphone-users] ortp issues
Date: Mon, 15 Feb 2010 19:15:20 +0000In

Hi all,

I am using rtp_session_recv_with_ts () and rtp_session_send_with_ts(). I would like to know which cseq has been sent and which cseq value has been received.
I have used rtp_session_get_seq_number() , however, it either gives repetitive numbers or 0. I am using ortp 0.16.1

Thanks

Lopetaz

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From: address@hidden
To: address@hidden
Date: Mon, 15 Feb 2010 15:45:28 +0000
Subject: [Linphone-users] ortp issues

Hi all,

Firstly I am not sure if posting an oRtp based question is right to be asked here.

I am trying to user oRtp libraries for a gateway to a mobile network. For several reasons this is not working. Here is my main questions:

If I have one thread for a ortp sendonly and another for ortp receiveonly, should i have ortp_init(), and ortp_schedulling() for each of this threads or one general one?

thanks

lopetaz

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