[streaming] Re: problem with SAP

Thu Dec 1 16:49:23 CET 2005

Thanks for the suggestion, I'll try tomorrow.
But why VLC on windows, with the exact same SDP announcement plays just 
fine ??
That is my biggest concern as I don't want to have to start windows ..
adrian

On Thursday 01 December 2005 15:38, Marshall Eubanks wrote:
> The SDP file is in that message - from
>
> o=- 1498722985 3543377510 IN IP4 130.230.50.198
> to
> a=x-envivio-verid:00022159
>
> You should be able to turn this into a "vi" text file and put it
> directly into VLC as a test.
>
> Here is one I know works :
>
> v=0
> o=QTSS_Play_List 1399228538 441870041 IN IP4 63.105.122.28
> s=H264test
> c=IN IP4 233.64.133.180
> b=AS:411
> t=0 0
> a=x-broadcastcontrol:RTSP
> a=maxprate:53.000000
> a=isma-compliance:2,2.0,2
> m=video 8082 RTP/AVP 96
> b=AS:343
> b=TIAS:331
> a=maxprate:53
> a=rtpmap:96 H264/90000
> a=control:trackID=1
> a=cliprect:0,0,480,640
> a=framesize:96 640-480
> a=fmtp:96 packetization-mode=1;profile-level-id=4D401E;sprop-
> parameter-sets=J01AHqkYFAe2ANQYBBjegbAUF73wEA==,KM4JyA==
> a=mpeg4-esid:201
> m=audio 8080 RTP/AVP 97
> b=AS:78
> b=TIAS:69
> a=maxprate:43
> a=rtpmap:97 mpeg4-generic/44100/2
> a=control:trackID=2
> a=fmtp:97 profile-level-id=15;mode=AAC-
> hbr;sizelength=13;indexlength=3;indexdeltalength=3;config=1210
> a=mpeg4-esid:101
>
> Note that you are getting complaints about c= and m= fields, and you
> don't have the initial v= field.
>
> Your c= field is the multicast address, and seems odd :
>
> 239.252.80.1/10
>
> Is the actual MC address 239.252.80.1 ? Why is there a /10 there ?
> You might try dropping  the /10
> and correcting the MC address.
>
> Your m fields (port and RTP number for audio and video seem OK, but
> you should check the port assignments.
>
> Regards
> Marshall
>
> On Dec 1, 2005, at 8:25 AM, hornsby wrote:
> > Hi,
> > Yes this is a multicast h.264 stream. I receive the SDP
> > announcement without
> > problem, but when I ask to play it, doesn't work.
> > I can't receive global multicast unfortunately.
> > How can I actually get the SDP file ??
> >
> > the VLC log is :
> > ##############################################
> > main warning: no access2 module matching "sdp" could be loaded
> > main error: no suitable access module for `sdp://v=0
> > o=- 1498722985 3543377510 IN IP4 130.230.50.198
> > s=4Caster-7850
> > c=IN IP4 239.252.80.1/10
> > b=RR:0
> > t=0 0
> > a=mpeg4-iod:"data:application/mpeg4-iod;base64,AoIzAE///w/+/
> > wOBPgABQKBkYXRhOmFwcGxpY2F0aW9uL21wZWc0LW9kLWF1O2Jhc2U2NCxBVnNCS2dVZkF
> > 5WUF5U0FBWlFRTklSRUJKUUFBQkpQQUFBU1R3QVlRQUVRQUFWK1FBQUZma0NBQUFBQUFBd
> > 0V0QXA4REtRQmxBQVFOUUJVQUJnQUFBVitRQUFGZmtBWVFBRVFBQUx1QUFBRmZrQ0FBQUF
> > BQUEwTURaVzVuBA0BBQAAyAAAAAAAAAAABgkBAAAAAAAAAAADaQACQEZkYXRhOmFwcGxpY
> > 2F0aW9uL21wZWc0LWJpZnMtYXU7YmFzZTY0LHdCQVNnVEFxQlcwbUVFSDhBQUFCL0FBQUJ
> > FS0NLQ240BBICDQAAIAAAAAAAAAAABQMAAGAGCQEAAAAAAAAAAA=="
> > m=video 9760 RTP/AVP 96
> > b=AS:299
> > a=rtpmap:96 H264/90000
> > a=fmtp:96 profile-level-id=42E00D;
> > sprop-parameter-sets=Z0LgDZWgUGfn/
> > 8AAQABEAAAPoAABhqGDAASTwBJWrgAC,aM44gA==;
> > parameter-sets=Z0LgDZWgUGfn/8AAQABEAAAPoAABhqGDAASTwBJWrgAC,aM44gA==;
> > packetization-mode=1
> > a=cliprect:0,0,180,320
> > a=mpeg4-esid:201
> > a=x-envivio-verid:00022159
> > m=audio 9762 RTP/AVP 97
> > b=AS:90
> > a=rtpmap:97 mpeg4-generic/48000/2
> > a=fmtp:97 profile-level-id=15; config=1190; streamtype=5; mode=AAC-
> > hbr;
> > SizeLength=13; IndexLength=3; IndexDeltaLength=3
> > a=mpeg4-esid:101
> > a=lang:eng
> > a=x-envivio-verid:00022159
> > '
> > main debug: thread 3015703472 joined (src/input/input.c:386)
> > main debug: no-skip mode, stopping
> > sap debug: incorrect c field, IN
> > sap debug: incorrect m field, video
> > sap debug: incorrect c field, IN
> > sap debug: incorrect m field, video
> > sap debug: incorrect c field, IN
> > sap debug: incorrect m field, video
> > sap debug: incorrect c field, IN
> > sap debug: incorrect m field, video
> > sap debug: incorrect c field, IN
> > sap debug: incorrect m field, video
> > sap debug: session deletion packet
> > ##############################################
> >
> > On Thursday 01 December 2005 14:29, Marshall Eubanks wrote:
> >> Can you send the SDP file you receive ?
> >>
> >> Also, is this for multicast ? If you can receive global multicasts
> >> you can also test this with  the AmericaFree TV H264test channel.
> >> There are SAPs sent for this.
> >>
> >> Regards
> >> Marshall
> >>
> >> As usual, you might want  to run tcpdump on  the  receiving machine
> >> to see
> >> if the packets are actually arriving.
> >>
> >> On Nov 30, 2005, at 7:56 AM, hornsby wrote:
> >>> On Wednesday 30 November 2005 14:53, you wrote:
> >>>> Le Mercredi 30 Novembre 2005 13:06, hornsby a écrit :
> >>>>> I have trouble getting a h.264 stream to display on my machine
> >>>>> from the SAP annoucement.
> >>>>>  Everything works fine on Windows machine, so it is weird. And as
> >>>>> I'm
> >>>>> not a windows fan at all, I want to get it work on Linux :)
> >>>>
> >>>> Is it that you don't receive the announcement or that you fail to
> >>>> view
> >>>> the stream when selecting it in the playlist ?
> >>>
> >>> I do receive the annoucement but then it fails to open the stream.
> >>>
> >>> thanks for helping
> >>>
> >>>
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