[gst-devel] udpsink/udpsrc on win32 (Vista)

[william at breezecapsule.com]

Thanks for the advice. I would really appreciate if someone has an example pipeline I can try. I tried using ffenc_h263p followed by rtph263ppay with mtu value set to various values, however I still can't get the the packet sent through udpsink. 

Many thanks.

William Lee @ Breeze Capsule


-original message-
Subject: Re: [gst-devel] udpsink/udpsrc on win32 (Vista)
From: "Wim Taymans" <wim.taymans at gmail.com>
Date: 30/07/2009 11:02

On Thu, 2009-07-30 at 10:41 +0100, William Lee wrote:
> Hi all,
> 
> 
> Has anyone successfully used udpsink and udpsrc on win32 (Vista) using
> the GStreamer Winbuild? 
> 
> 
> I'm testing a simple pipeline
> 
> 
> > gst-inspect-0.10.exe --gst-debug-level=3 videotestsrc ! udpsink
> port=5000

You can only send 65536 bytes with udp, the output of videotestsrc is
likely bigger. You might want to reduce the framerate or do application
level framing by using RTP or so.

Wim

> 
> I'm see the following messages continuously being printed in the log
> 
> 
> 0:00:00.966000000 ←[335m 4240←[00m   01BA7008 ←[33;01mWARN ←[00m
> ←[00m        mu
> ltiudpsink
> gstmultiudpsink.c:416:gst_multiudpsink_render:<udpsink0>←[00m client
> 01B616F8 gave error 0 (No error)
> 
> 
> I have looked at the multiudpsink_render source code and printed the
> following out:
> 
> 
> 0:00:00.965000000 ←[335m 4240←[00m   01BA7008 ←[33;01mWARN ←[00m
> ←[00m        mu
> ltiudpsink
> gstmultiudpsink.c:402:gst_multiudpsink_render:<udpsink0>←[00m SO_MAX_
> MSG_SIZE = 65527 and BUFFER SIZE = 153600
> 
> 
> It seems that the SO_MAX_MSG_SIZE of the datagram socket is set to
> 65527 bytes but the buffer being sent is 153600 bytes, so the sendto()
> call failed because the buffer exceeds the socket message size. 
> 
> 
> Does anyone have a workaround? Is there any way to control the buffer
> size upstream? 
> 
> 
> Thanks.
> 
> 
> William
> 
> 
> 
> -- 
> 
> William Lee @ Breeze Capsule
> Email: william at breezecapsule.com
> Mobile: +44 7984 368 182
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