udpsink max packet error

Tim-Philipp Müller t.i.m at zen.co.uk
Sat Jul 20 04:48:16 PDT 2013

On Sat, 2013-07-20 at 04:25 -0700, Baby Octopus wrote:


> I'm capturing raw data and streaming it to my local network after encoding.
> I see a lot of packet losses on the client side and the server is throwing
> up lot of error messages as below
> WARNING: from element /GstPipeline:pipeline0/GstUDPSink:udpsink0: Attempting
> to send a UDP packet larger than maximum size (72568 > 65507)
> Additional debug info:
> gstmultiudpsink.c(541): gst_multiudpsink_render ():
> /GstPipeline:pipeline0/GstUDPSink:udpsink0:
> Reason: Error sending message: Message too long
> And this is my pipeline
> gst-launch-1.0 decklinksrc mode=10 name=src src.! video/x-raw ! queue ! 
> videoconvert ! x264enc bitrate=5000 ! mpegtsmux name=mux ! udpsink
> host= port=5858 src.! audio/x-raw ! queue ! avenc_aac ! mux.
> As you see, I'm encoding video at 5Mbps and the system bitrate is approx
> 6Mbps. How do i reduce this error? TS packet sizes are 188bytes. How do i
> restrict UDP packet size here? Is there any property or code that I can
> tweak in udpsink?


  mpegtsmux alignment=7 ! udpsink


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