[gst-devel] Trying to play a UDP webcam stream with VLC

Steve Ricketts velocedge at hotmail.com
Thu Jun 3 21:49:54 CEST 2010


Lol... I've been a googling!  ;-)   Actually, it really doesn't matter if I 
drop a packet along the way as long as it keeps going.  I'll see what I can 
find.  Thanks again for the reply!

sr

--------------------------------------------------
From: "Donny Viszneki" <donny.viszneki at gmail.com>
Sent: Thursday, June 03, 2010 3:45 PM
To: "Discussion of the development of GStreamer" 
<gstreamer-devel at lists.sourceforge.net>
Subject: Re: [gst-devel] Trying to play a UDP webcam stream with VLC

> Well udpsrc and udpsink are not any more complicated than that: they
> simply send and receive UDP packets. There is no inherent feature of
> UDP useful for recovering dropped packets. Indeed it would defeat the
> purposes of UDP communication if any more features were built into
> udpsrc and udpsink.
>
> You aren't the first to ask about building RTP pipelines. Maybe Google
> around. I have never done it myself.
>
> On Thu, Jun 3, 2010 at 3:37 PM, Steve Ricketts <velocedge at hotmail.com> 
> wrote:
>> Ah, never knew about elements not knowing about dropped packets.  So, is
>> there a similar rtp pipeline?
>>
>> --------------------------------------------------
>> From: "Donny Viszneki" <donny.viszneki at gmail.com>
>> Sent: Thursday, June 03, 2010 2:59 PM
>> To: "Discussion of the development of GStreamer"
>> <gstreamer-devel at lists.sourceforge.net>
>> Subject: Re: [gst-devel] Trying to play a UDP webcam stream with VLC
>>
>>> This is just a guess, but perhaps if any of your packets get dropped,
>>> the stream is corrupted. TCP may be better anyhow because the server
>>> will not over-send to a client if enough throughput isn't available.
>>> To use UDP I think you'll need to use elements that know how to deal
>>> with dropped packets.
>>>
>>> On Wed, Jun 2, 2010 at 1:34 PM, Steve Ricketts <velocedge at hotmail.com>
>>> wrote:
>>>> I'm just experimenting a little with gstreamer and have a problem I 
>>>> don't
>>>> quite understand.  I want to stream a live web cam and play it on 
>>>> another
>>>> computer with VLC.   I'm streaming a web cam video with:
>>>>
>>>> gst-launch v4l2src !
>>>> video/x-raw-yuv,width=320,height=240,framerate=\(fraction\)5/1 !
>>>> ffmpegcolorspace ! jpegenc ! multipartmux ! udpsink host=192.168.0.102
>>>> port=6279
>>>>
>>>> On the same computer, I can open VLC and play the udp stream with
>>>> udp://@192.168.0.102:6279 fine.  However, when I go to another computer
>>>> it
>>>> says my input cannot be opened.  I thought it might have been a 
>>>> firewall
>>>> issue, but I've turned off all the firewalls and still no video.
>>>>
>>>> Is there something I'm not aware of regarding gstreamer?  Should I be
>>>> able
>>>> to do this?
>>>>
>>>> Thanks,
>>>>
>>>> Steve
>>>>
>>>> ________________________________
>>>> The New Busy think 9 to 5 is a cute idea. Combine multiple calendars 
>>>> with
>>>> Hotmail. Get busy.
>>>> ------------------------------------------------------------------------------
>>>>
>>>>
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>>>
>>>
>>>
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>
>
>
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>
> ------------------------------------------------------------------------------
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