Udpsrc gives me trouble - streaming from a GoPro

[Fredrik Falkman]

Yes, it’s the GoPro’s adress and the way I understand how the FFmpeg pipeline works is that the

>> mpegts -i udp://10.5.5.9:8554 <udp://10.5.5.9:8554>
opens a revere udp connection from the GoPro. I almost suspected that that wasn’t the way Gstreamer’s udpsrc works. But what Gstreamer command should I use to get the stream from that remote URI?

Thanks!


Fredrik Falkman 	     


> On 7 Nov 2017, at 13:22, Yasushi SHOJI <yasushi.shoji at gmail.com> wrote:
> 
> Hi,
> 
> On Wed, Nov 1, 2017 at 9:44 PM, fredrik falkman <ff at ffd.se> wrote:
>> Hej!
>> 
>> I'm trying to set up the following:
>> 
>> I have a GoPro Session 5 which streams from udp://10.5.5.9:8554
>> I have a raspberry pi 3 that is connected to the GoPro's wifi hotspot
>> I'd like to stream from the GoPro via the rpi over 4g to a Gstreamer viewer
>> (in this case QGroundControl) on another computer with a static ip.
>> 
>> I can get this working by means of this tool:
>> https://github.com/KonradIT/gopro-py-api
>> 
>> and this command:
>> 
>> ffmpeg -f mpegts -i udp://10.5.5.9:8554 -map 0:0 -c copy -f rtp
>> udp://94.234.203.109:5000
>> 
>> Now I'd like to se if I can get better performance using Gstreamer.
>> 
>> I'm trying the following:
>> 
>> #!/bin/bash
>> 
>> gst-launch-1.0 -v \
>> rtpbin name=rtpbin \
>> udpsrc uri=udp://10.5.5.9:8554 \
> 
> I don't have GoPro Session 5 so it might be wrong but
> isn't 10.5.5.9 GoPro's address?
> 
> you should give the port number you want to receive the
> packets.
> 
>> ! queue \
>> ! avenc_h264_omx bitrate=500000 \
>> ! "video/x-h264,profile=high" \
>> ! h264parse \
>> ! queue max-size-bytes=10000000 \
>> ! rtph264pay pt=96 config-interval=1 \
>> ! rtpbin.send_rtp_sink_0 rtpbin.send_rtp_src_0 \
>> ! udpsink port=5000 host=94.234.203.109 ts-offset=0 name=vrtpsink
>> rtpbin.send_rtcp_src_0 \
>> ! rtpbin.recv_rtcp_sink_0
>> 
>> 
>> And get this error:
>> 
>> Setting pipeline to PAUSED ...
>> ERROR: Pipeline doesn't want to pause.
>> ERROR: from element /GstPipeline:pipeline0/GstUDPSrc:udpsrc0: Could not
>> get/set settings from/on resource.
>> Additional debug info:
>> gstudpsrc.c(1548): gst_udpsrc_open ():
>> /GstPipeline:pipeline0/GstUDPSrc:udpsrc0:
>> bind failed: Error binding to address: Cannot assign requested address
> 
> That's why GStreamer is complaining: you can't bind the address
> you are not using.
> -- 
>             yashi
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