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

[Chuck Crisler]

I can't tell where the 'not linked' error is, but using the gstrtpbin and
rtph264pay seems strange. You should be able to route the qtdemux output to
h264parse to rtph264bin to udpsink. You need to specify the payload type
(96) and the scan-mode to rtph264pay.


On Sat, Jul 5, 2014 at 11:49 PM, Haiming Wang <whm_buaa at hotmail.com> wrote:

> 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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