[gst-devel] help: about rtp

Thu Apr 16 04:11:56 CEST 2009

On Wed, Apr 15, 2009 at 10:44 PM, shirie <shizibo at gmail.com> wrote:

>
> sorry, I mispaste the output. Here is the correct:
> THe pipeline is :
> gst-launch -v filesrc location=shake.mp4 ! qtdemux name=d \
> d. ! { queue ! rtpmp4gpay ! udpsink port=5000 }  \
> d. ! { queue ! rtpmp4vpay ! udpsink port=5002 }
>
> and the output is;
> Setting pipeline to PAUSED ...
> /pipeline0/queue0.sink: caps = video/mpeg, mpegversion=(int)4,
> systemstream=(boolean)false,
>
> codec_data=(buffer)000001b001000001b58913000001000000012000c48d88007d0a041e1463000001b24c61766335312e34302e34,
> width=(int)320, height=(int)240, framerate=(fraction)15/1
> /pipeline0/queue0.src: caps = video/mpeg, mpegversion=(int)4,
> systemstream=(boolean)false,
>
> codec_data=(buffer)000001b001000001b58913000001000000012000c48d88007d0a041e1463000001b24c61766335312e34302e34,
> width=(int)320, height=(int)240, framerate=(fraction)15/1
> /pipeline0/rtpmp4gpay0.src: caps = application/x-rtp, media=(string)video,
> payload=(int)96, clock-rate=(int)90000,
> encoding-name=(string)MPEG4-GENERIC,
> ssrc=(guint)80355967, clock-base=(guint)309711442, seqnum-base=(guint)5287,
> streamtype=(string)4, profile-level-id=(string)1, mode=(string)generic,
>
> config=(string)000001b001000001b58913000001000000012000c48d88007d0a041e1463000001b24c61766335312e34302e34,
> sizelength=(string)13, indexlength=(string)3, indexdeltalength=(string)3
> /pipeline0/rtpmp4gpay0.sink: caps = video/mpeg, mpegversion=(int)4,
> systemstream=(boolean)false,
>
> codec_data=(buffer)000001b001000001b58913000001000000012000c48d88007d0a041e1463000001b24c61766335312e34302e34,
> width=(int)320, height=(int)240, framerate=(fraction)15/1
> /pipeline0/udpsink0.sink: caps = application/x-rtp, media=(string)video,
> payload=(int)96, clock-rate=(int)90000,
> encoding-name=(string)MPEG4-GENERIC,
> ssrc=(guint)80355967, clock-base=(guint)309711442, seqnum-base=(guint)5287,
> streamtype=(string)4, profile-level-id=(string)1, mode=(string)generic,
>
> config=(string)000001b001000001b58913000001000000012000c48d88007d0a041e1463000001b24c61766335312e34302e34,
> sizelength=(string)13, indexlength=(string)3, indexdeltalength=(string)3
> Pipeline is PREROLLING ...
>
> There is really only one udpsink. What's problem?

Try setting the queue's max size to a greater value.

>
>
>
> thiagoss wrote:
> >
> > On Wed, Apr 15, 2009 at 12:07 AM, Zibo SHI <shizibo at gmail.com> wrote:
> >
> >> hi, all. I'm trying the rtp plugin refer to the doc at:
> >>
> >>
> >>
> http://webcvs.freedesktop.org/gstreamer/gst-plugins-good/gst/rtp/README?revision=1.13&view=markup
> >>
> >> Here's my simple pipeline:
> >> gst-launch -v filesrc location=shake.mp4 ! qtdemux name=d \
> >> d. ! { queue ! rtpmp4vpay ! udpsink port=5000 } \
> >> d. ! { queue ! rtpmp4gpay ! udpsink port=5002 }
> >>
> >> but after it's run, here is the output:
> >>
> >> Setting pipeline to PAUSED ...
> >> /pipeline0/queue0.sink: caps = video/mpeg, mpegversion=(int)4,
> >> systemstream=(boolean)false,
> >>
> codec_data=(buffer)000001b001000001b58913000001000000012000c48d88007d0a041e1463000001b24c61766335312e34302e34,
> >> width=(int)320, height=(int)240, framerate=(fraction)15/1
> >> /pipeline0/queue0.src: caps = video/mpeg, mpegversion=(int)4,
> >> systemstream=(boolean)false,
> >>
> codec_data=(buffer)000001b001000001b58913000001000000012000c48d88007d0a041e1463000001b24c61766335312e34302e34,
> >> width=(int)320, height=(int)240, framerate=(fraction)15/1
> >> /pipeline0/rtpmp4vpay0.src: caps = application/x-rtp,
> >> media=(string)video,
> >> payload=(int)96, clock-rate=(int)90000, encoding-name=(string)MP4V-ES,
> >> ssrc=(guint)3831296950, clock-base=(guint)4106776350,
> >> seqnum-base=(guint)53267, profile-level-id=(string)1,
> >>
> config=(string)000001b001000001b58913000001000000012000c48d88007d0a041e1463000001b24c61766335312e34302e34
> >> /pipeline0/rtpmp4vpay0.sink: caps = video/mpeg, mpegversion=(int)4,
> >> systemstream=(boolean)false,
> >>
> codec_data=(buffer)000001b001000001b58913000001000000012000c48d88007d0a041e1463000001b24c61766335312e34302e34,
> >> width=(int)320, height=(int)240, framerate=(fraction)15/1
> >> /pipeline0/queue1.sink: caps = audio/mpeg, mpegversion=(int)4,
> >> framed=(boolean)true, codec_data=(buffer)1290, rate=(int)32000,
> >> channels=(int)2
> >> /pipeline0/queue1.src: caps = audio/mpeg, mpegversion=(int)4,
> >> framed=(boolean)true, codec_data=(buffer)1290, rate=(int)32000,
> >> channels=(int)2
> >> /pipeline0/rtpmp4gpay0.src: caps = application/x-rtp,
> >> media=(string)audio,
> >> payload=(int)96, clock-rate=(int)32000,
> >> encoding-name=(string)MPEG4-GENERIC,
> >> ssrc=(guint)3458294825, clock-base=(guint)2594580451,
> >> seqnum-base=(guint)42905, encoding-params=(string)2,
> >> streamtype=(string)5,
> >> profile-level-id=(string)2, mode=(string)AAC-hbr, config=(string)1290,
> >> sizelength=(string)13, indexlength=(string)3, indexdeltalength=(string)3
> >> /pipeline0/rtpmp4gpay0.sink: caps = audio/mpeg, mpegversion=(int)4,
> >> framed=(boolean)true, codec_data=(buffer)1290, rate=(int)32000,
> >> channels=(int)2
> >
> >
> >
> > here
> >
> >>
> >> /pipeline0/udpsink1.sink: caps = application/x-rtp, media=(string)audio,
> >> payload=(int)96, clock-rate=(int)32000,
> >> encoding-name=(string)MPEG4-GENERIC,
> >> ssrc=(guint)3458294825, clock-base=(guint)2594580451,
> >> seqnum-base=(guint)42905, encoding-params=(string)2,
> >> streamtype=(string)5,
> >> profile-level-id=(string)2, mode=(string)AAC-hbr, config=(string)1290,
> >> sizelength=(string)13, indexlength=(string)3, indexdeltalength=(string)3
> >
> >
> >
> > and here
> >
> >>
> >> /pipeline0/udpsink0.sink: caps = application/x-rtp, media=(string)video,
> >> payload=(int)96, clock-rate=(int)90000, encoding-name=(string)MP4V-ES,
> >> ssrc=(guint)3831296950, clock-base=(guint)4106776350,
> >> seqnum-base=(guint)53267, profile-level-id=(string)1,
> >>
> config=(string)000001b001000001b58913000001000000012000c48d88007d0a041e1463000001b24c61766335312e34302e34
> >
> >
> >
> >>
> >> Pipeline is PREROLLING ...
> >> Pipeline is PREROLLED ...
> >> Setting pipeline to PLAYING ...
> >> New clock: GstSystemClock
> >>
> >> According to the doc, there should be udpsink0 and udpsink1, but I only
> >> have one udpsink in the output.
> >> Is there anything wrong  with my pipeline? I'm fairly new with
> gstreamer.
> >> Can anyone hlep me? Thanks very much.
> >>
> >
> > Look again, there they are!
> >
> >
> >>
> >>
> >>
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> >
> >
> > --
> > Thiago Sousa Santos
> >
> > Embedded Systems and Pervasive Computing Lab (Embedded)
> > Center of Electrical Engineering and Informatics (CEEI)
> > Federal University of Campina Grande (UFCG)
> >
> >
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>
> --
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>
>
>
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-- 
Thiago Sousa Santos

Embedded Systems and Pervasive Computing Lab (Embedded)
Center of Electrical Engineering and Informatics (CEEI)
Federal University of Campina Grande (UFCG)
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