How to send a mp4 file with rtp without decoding and encoding

[Chuck Crisler]

You need to enable logging to find what isn't linking. GST_DEBUG=*:4 should
work. On linux: export GST_DEBUG=<> gst-launch ...


On Mon, Jul 14, 2014 at 4:15 AM, Haiming Wang <whm_buaa at hotmail.com> wrote:

> Hi all,
>
>    After analysis I found the below pipeline1 always fail with:
>      streaming stopped, reason not-linked.
> while the pipeline2(remove the rtpbin)  works.   It's  really confusing.
>
> Anyone can give me some suggestion?   Also is there any suggestions about
> how to analyze the "reason not-linked" issues?
>
>
>
>
> 1.        gst-launch-0.10 gstrtpbin name=rtpbin filesrc
> location=/Users/hamwang/logdir/3.mp4  ! qtdemux  name=demux
>  demux.video_00 !  rtph264pay ! rtpbin.send_rtp_sink_0
>  rtpbin.send_rtp_src_0 ! udpsink host=172.21.118.219 port=5006
>
>
> 2.     gst-launch-0.10 gstrtpbin name=rtpbin filesrc
> location=/Users/hamwang/logdir/3.mp4  ! qtdemux  name=demux
>  demux.video_00 !  rtph264pay !  udpsink host=172.21.118.219 port=5006
>
>
>
>
>
> Thanks and Best Regards
> Haiming Wang
>
> ------------------------------
> From: whm_buaa at hotmail.com
> To: gstreamer-devel at lists.freedesktop.org
> Subject: RE: How to send a mp4 file with rtp without decoding and encoding
> Date: Mon, 14 Jul 2014 09:55:23 +0800
>
>
> Hello friends,
>
>     Anybody can give me some advice about this question?
>
>
> Thanks and Best Regards
> Haiming Wang
>
> ------------------------------
> From: whm_buaa at hotmail.com
> To: gstreamer-devel at lists.freedesktop.org
> Subject: RE: How to send a mp4 file with rtp without decoding and encoding
> Date: Fri, 11 Jul 2014 15:01:23 +0800
>
>
>
>
>
> Hi all,
>
>    I want send a h264 video which is encapsulated in a mp4 file from my
> android mobile phone to my pC.
>
> This mp4 file can be played by below command:
>
> gst-launch-0.10 gstrtpbin name=rtpbin filesrc
> location=/Users/hamwang/logdir/3.mp4  ! qtdemux  name=demux
>  demux.video_00 ! ffdec_h264  ! ffmpegcolorspace !  autovideosink
>
>
> it can also be sent through rtp by decoding and re-endcoding by below
> command:
>
>
> *gst-launch-0.10 -v gstrtpbin name=rtpbin filesrc
> location=./trunk/trunk/videoconf/linux-appsrc-example/3.mp4      ! qtdemux
> name=demux    demux.video_00 ! ffdec_h264 !   queue  !  x264enc
> tune=zerolatency byte-stream=true bitrate=500 ! rtph264pay !
> rtpbin.send_rtp_sink_0    rtpbin.send_rtp_src_0 ! udpsink
> host=172.21.118.219 port=5006*
>
>
> Since as we know , the video has already been encoded by h264 in the mp4
> file, so I hope I can send it without decoding and re-encoding.  I used
> below command:
>
> gst-launch-0.10 gstrtpbin name=rtpbin filesrc
> location=/Users/hamwang/logdir/3.mp4  ! qtdemux  name=demux
>  demux.video_00 !  rtph264pay ! rtpbin.send_rtp_sink_0
>  rtpbin.send_rtp_src_0 ! udpsink host=172.21.118.219 port=5006
>
> but get below error:
>
>  qtdemux.c(3941): gst_qtdemux_loop ():
> /GstPipeline:pipeline0/GstQTDemux:demux:
> streaming stopped, reason not-linked
>
>
>
> Any friend can give me some advice?
>
> Thanks and Regards,
> Haiming Wang
>
>
>
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