[gst-devel] video network streaming with rtp problem

[guodecn]

wim,
      follow your advice, the rtp video transmit can work normal, but can
you tell me why?
      And how do you find the problem?
      Thanks.

    
Wim Taymans wrote:
> 
> On Tue, 2010-11-09 at 23:22 -0800, citywolf wrote:
>> hi,all
>> here are my commands:
>> 
>> #server:
>> gst-launch -v videotestsrc !  ffenc_mpeg4  ! rtpmp4vpay send-config=true
>> !
>> udpsink host=218.192.168.112 port=5000
>> 
>> 
>> #client:
>> gst-launch -v  udpsrc port=5000 caps=" application/x-rtp,
>> media=(string)video, clock-rate=(int)90000,
>> encoding-name=(string)MP4V-ES,
>> profile-level-id=(string)1,config=(string)000001b001000001b58913000001000000012000c48d8800f50a041e1463000001b24c61766331642e35312e33382e30,
>> payload=(int)96,ssrc=(guint)3127939974, clock-base=(guint)3486206175,
>> seqnum-base=(guint)28199" ! rtpmp4vdepay  ! ffdec_mpeg4 !  ximagesink
>> 
> 
> put ffmpegcolorspace ! videoscale between the decoder and the video
> sink.
> 
> Wim
> 
> 
>> 
>> it causes the following problem:
>> 
>> Setting pipeline to PAUSED ...
>> Pipeline is live and does not need PREROLL ...
>> Setting pipeline to PLAYING ...
>> New clock: GstSystemClock
>> /pipeline0/rtpmp4vdepay0.src: caps = video/mpeg, mpegversion=(int)4,
>> systemstream=(boolean)false,
>> codec_data=(buffer)000001b001000001b58913000001000000012000c48d8800f50a041e1463000001b24c61766331642e35312e33382e30
>> /pipeline0/rtpmp4vdepay0.sink: caps = application/x-rtp,
>> media=(string)video, clock-rate=(int)90000,
>> encoding-name=(string)MP4V-ES,
>> profile-level-id=(string)1,
>> config=(string)000001b001000001b58913000001000000012000c48d8800f50a041e1463000001b24c61766331642e35312e33382e30,
>> payload=(int)96, ssrc=(guint)1899460306, clock-base=(guint)2925079371,
>> seqnum-base=(guint)41662
>> /pipeline0/ffdec_mpeg40.sink: caps = video/mpeg, mpegversion=(int)4,
>> systemstream=(boolean)false,
>> codec_data=(buffer)000001b001000001b58913000001000000012000c48d8800f50a041e1463000001b24c61766331642e35312e33382e30
>> /pipeline0/ffdec_mpeg40.src: caps = video/x-raw-yuv, width=(int)320,
>> height=(int)240, framerate=(fraction)30/1, format=(fourcc)I420,
>> pixel-aspect-ratio=(fraction)1/1
>> 
>> ERROR: from element /GstPipeline:pipeline0/GstUDPSrc:udpsrc0: Internal
>> data
>> flow error.
>> Additional debug info:
>> gstbasesrc.c(2562): gst_base_src_loop ():
>> /GstPipeline:pipeline0/GstUDPSrc:udpsrc0:
>> streaming task paused, reason not-negotiated (-4)
>> Execution ended after 107634366 ns.
>> 
>> 
>> can anyone help me?
> 
> 
> 
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