[gst-devel] rtp transmit occur "not-negotiated (-4)" error

guodecn guo.dehua at zxelec.com
Wed Nov 10 11:03:08 CET 2010


Marco Ballesio,
Very sadly, I use your modfied sample still the same error.
I think the syntax is no problem, my os is fedora13 install on vmware
workstation.
I have no idea.


Marco Ballesio wrote:
> 
> Hi,
> 
> On Wed, Nov 10, 2010 at 11:30 AM, guodecn <guo.dehua at zxelec.com> wrote:
> 
>>
>> Hi,Marco Ballesio,
>> Thanks for your reply very much.
>>
>> >>However, the issue was the place you've set the "port" property.
>> what's your mean? Don't udpsrc need the port property? if don't udpsrc
>> have
>> no port property, we can't receive the data.
>>
> 
> sorry, I didn't notice the "caps=" before the caps ;)
> 
> 
>>
>> I have modify the pipeline as below:
>>
>> server:
>> gst-launch-0.10 -v videotestsrc ! x264enc ! rtph264pay ! udpsink
>> host=127.0.0.1 port=40000
>>
>> client:
>> gst-launch-0.10 -v udpsrc port=40000 caps=
>>
>> "application/x-rtp,media=(string)video,clock-rate=(int)90000,encoding-name=(string)H264,payload=(int)96"
>> ! rtph264depay ! ffdec_h264 ! xvimagesink
>>
>>
> These pipelines are working pretty well, both with the standard ubuntu
> 10.4
> and all the packages aligned with the respective upstream heads. I suggest
> you to check your syntax and copy/paste efficiency ;)
> 
> Regards
> 
> 
>>
>> But the same error is still exist. Can you modify my pipeline correct,
>> and
>> show me.
>>
>> Thanks.
>> --
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