Re: [Linphone-developers] oRTP MPEG4 video streaming

[Emmanuel BUU]

Very strange. I guess that you do not have any incoming packet with a
payload type of -1.
So there is something in the behavior of rtp_session_recv_with_ts( ).

Mabe an initial condition at the beginning of the session. Try to repead
you read attemps.

Emmanuel
IVèS
http;//www.ives.fr/

Francesco Andrisani a écrit :
>
> I've modify the source, and it return -1.
>
> Strange!
>
>
>
> -----Original Message-----
> From: Emmanuel Buu [mailto:address@hidden
> Sent: Mon 11/13/2006 6:22 PM
> To: Francesco Andrisani; Linephone
> Subject: RE: [Linphone-developers] oRTP MPEG4 video streaming
>
> Strange. You may modify the oRTP lib and recompile it to troubleshoot :
>
> in rtpsession.c, function int rtp_session_recv_with_ts( )
>
>
> if (payload==NULL){
>                 ortp_warning("rtp_session_recv_with_ts: unable to recv an
> unsupported payload.");
>
> to
>
> if (payload==NULL){
>                 ortp_warning("rtp_session_recv_with_ts: unable to recv an
> unsupported payload %d.", session->recv_pt);
>
> On Mon, 13 Nov 2006 17:58:11 +0100, Francesco Andrisani wrote
> > The payload type (ethereal capture) is 96.
> >
> > -----Original Message-----
> > From: Emmanuel Buu [mailto:address@hidden
> > Sent: Mon 11/13/2006 5:50 PM
> > To: Francesco Andrisani; address@hidden; linphone-
> > address@hidden Subject: RE: [Linphone-developers] oRTP MPEG4
> > video streaming
> > 
> > On Mon, 13 Nov 2006 17:37:37 +0100, Francesco Andrisani wrote
> > > I've added a new profile to my application, but i've only a
> warning now.
> > >
> > > RTP: Succesfully setup remote peer to 192.168.198.15 port 50208
> > > ortp-warning-rtp_session_recv_with_ts: unable to recv an unsupported
> > > payload.
> >
> > Can you check which payload type is your AXIS cam actually sending
> > for MPEG4V ?
> > >
> > > My code (a piece) is:
> > >
> > > ortp_init();
> > >    ortp_scheduler_init();
> > >
> > >    recvsession=rtp_session_new(RTP_SESSION_RECVONLY);
> > >
> > >    if (recvsession  == NULL)
> > >    {
> > >         printf("RTP FATAL: Unable to allocate new session.");
> > >         return -1;
> > >    }
> > >    rtp_session_set_scheduling_mode (recvsession, 1);
> > >
> > >    rtp_session_set_blocking_mode (recvsession, 0);
> > >
> > >     m_videoMpeg4 = rtp_profile_new("AV profile + MPEG4 Video");
> > >     rtp_profile_set_payload(m_videoMpeg4,0,&payload_type_pcmu8000);
> > >     rtp_profile_set_payload(m_videoMpeg4,1,&payload_type_lpc1016);
> > >     rtp_profile_set_payload(m_videoMpeg4,3,&payload_type_gsm);
> > >     rtp_profile_set_payload(m_videoMpeg4,4,&payload_type_g7231);
> > >     rtp_profile_set_payload(m_videoMpeg4,8,&payload_type_pcma8000);
> > >     rtp_profile_set_payload(m_videoMpeg4,18,&payload_type_g729);
> > >     rtp_profile_set_payload(m_videoMpeg4,31,&payload_type_h261);
> > >     rtp_profile_set_payload(m_videoMpeg4,32,&payload_type_mpv);
> > >     rtp_profile_set_payload(m_videoMpeg4,96,&payload_type_mp4v);
> > >
> > >     rtp_session_set_profile(recvsession, m_videoMpeg4);
> > >
> > >    rtp_session_set_jitter_compensation (recvsession, 60);
> > >
> > >    ret = rtp_session_set_local_addr (
> > >                         recvsession,
> > >                         "192.168.195.16",
> > >                         20000
> > >                         );
> > >    ret = rtp_session_set_remote_addr (
> > >                         recvsession,
> > >                         "192.168.198.13",
> > >                         atoi(serverPort1)
> > >                         );
> > >    if (ret != 0)
> > >    {
> > >         printf("\nRTP: ERROR: Unable to set peer to 192.168.198.15
> > > port %d",atoi(serverPort1));        return -1;   }   else       
> > > printf("\nRTP: Succesfully setup remote peer to 192.168.198.15 port
> > > %d",atoi(serverPort1));   data_from_rtp = (char *) malloc (1500); 
> > >  have_more = 1;
> > >
> > >    while (have_more)
> > >    {
> > >         printf("\nin while");
> > >         recvd_bytes = rtp_session_recv_with_ts (
> > >                                 recvsession,
> > >                                 data_from_rtp,
> > >                                 1500,
> > >                                 timestamp,
> > >                                 &have_more);
> > >         printf("\nBytes letti: %d",recvd_bytes);
> > >
> > >                 if (have_more != 0)
> > >                         printf("\nRTP Warning, have more !");
> > >                  else
> > >                         timestamp += recvd_bytes;
> > >
> > >                 if (recvd_bytes > 0)
> > >                 {
> > >                         printf("\nWriting to file!");
> > >                         n = fwrite(data_from_rtp,
> > > sizeof(data_from_rtp),n,outfile);                       
> > > printf("\nBytes scritti: %d",n);                }   }
> > >
> > >   fclose(outfile);
> > >   free (data_from_rtp);
> > >
> > > Is my code wrong?
> > >
> > > Thanks
> > >
> > > -----Original Message-----
> > > From: Emmanuel Buu [mailto:address@hidden
> > > Sent: Mon 11/13/2006 5:23 PM
> > > To: Francesco Andrisani; address@hidden
> > > Subject: Re: [Linphone-developers] oRTP MPEG4 video streaming
> > > 
> > > Ah, I ran into the same issue with another Cam. You have to create a
> > > new profile:
> > >
> > >     m_videoMpeg4 = rtp_profile_new("AV profile + MPEG4 Video");
> > >     rtp_profile_set_payload(m_videoMpeg4,0,&payload_type_pcmu8000);
> > >     rtp_profile_set_payload(m_videoMpeg4,1,&payload_type_lpc1016);
> > >     rtp_profile_set_payload(m_videoMpeg4,3,&payload_type_gsm);
> > >     rtp_profile_set_payload(m_videoMpeg4,4,&payload_type_g7231);
> > >     rtp_profile_set_payload(m_videoMpeg4,8,&payload_type_pcma8000);
> > >     rtp_profile_set_payload(m_videoMpeg4,18,&payload_type_g729);
> > >     rtp_profile_set_payload(m_videoMpeg4,31,&payload_type_h261);
> > >     rtp_profile_set_payload(m_videoMpeg4,32,&payload_type_mpv);
> > >     rtp_profile_set_payload(m_videoMpeg4,96,&payload_type_mp4v);
> > >
> > > Beware, the payload type you specify in the last line should match
> > > the payload type actually sent by your cam (use a Etheral capture to
> > > check).
> > >
> > > Then assign this profile to your session :
> > >
> > >     rtp_session_set_profile(s, m_videoMpeg4);
> > >
> > > On Mon, 13 Nov 2006 17:07:13 +0100, Francesco Andrisani wrote
> > > > Hi all,
> > > >  i've a problem when i try to receive a rtp flow fron an AXIS
> camera.
> > > >  I use oRTP and in output of my code i have the follow error:
> > > >
> > > >  RTP: Succesfully setup remote peer to 192.168.198.15 port 50196
> > > >  RTP: Set payload type to 2
> > > >
> > > >  ortp-warning-rtp_session_ts_to_t: use of unsupported payload type .
> > > >  ortp-warning-rtp_session_recv_with_ts: unable to recv an
> > > > unsupported payload.
> > > >
> > > >  Read Bytes: -1
> > > >
> > > >  I don't know if i set wrong payload type.
> > > >
> > > >  Regards
> >
> > Emmanuel BUU
> > IVèS
> > http://www.ives.fr/
>
>
>
>
>
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Emmanuel BUU <mailto:address@hidden> - Gérant / General Manager -
IVèS <http://www.ives.fr/>

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