[gst-devel] Problem in gstrtpbin and AV Transfer---Urgent

[Aurelien Grimaud]

Hi, 
Try and use videorate to make all streams the same fps.

I do not think receiver will be happy with fps change ...

In fact, what you expose let think that encoder too is not happy with
fps change.



Figure out if it is a sender problem or a receiver problem by looking
at rtp packet transmission with tcpdump.

Enabling  GST_DEBUG when starting your soft will point out the problems
(after some log digging ...)



Explicit all of your pipelines and switching mechanism from one source
to the other for us to provide more help.



Aurelien

--- En date de : Mer 1.10.08, Manish Rana <manish.rana at gmail.com> a écrit :
De: Manish Rana <manish.rana at gmail.com>
Objet: Re: [gst-devel] Problem in gstrtpbin and AV Transfer---Urgent
À: "Discussion of the development of GStreamer" <gstreamer-devel at lists.sourceforge.net>
Date: Mercredi 1 Octobre 2008, 10h31

Is there any range of Frame Rate that i can use..if i set the FrameRate to some value..........
If i set 20 fps at camera and then use a file of 12 fps then even file send is not working...
Please let me know if someone else has faced the similar problem....


I am stuck and not able to proceed further...... 
Please help.....

Thanks a lot 
Manish


On Tue, Sep 30, 2008 at 6:10 PM, Manish Rana <manish.rana at gmail.com> wrote:

Hi All.. 

I am facing some other problem in RTP Streaming...

I am sending the rtp data over the UDP and playing it on the other end.

I am recording the data from v4l2src @ 10  fps  and  voice data from alsasrc to send it across. The transmission starts well as well as i can see the video on the other end.

Now in between i starts to take the data from a file.
I decode the data and encode again to send it using the same rtpbin and udpsink.

Enc, Pay gstrtpbin and udpsink are the element kept common...means i will use these elements in both the cases.



the packets goes well and on the other end i can see the AV fine in both the cases....

Now when i again switch back to v4l2src the packets on the receiver end come but the decoder (ffdec_mpeg4) gives error.......and there is no updates on display........



The file i am using is @25fps......
also when i increase the FPS of v4l2src the whole system works well..... at 20 fps.....

Please let me know if i am missing something or i am doing something wrong way....



Also i tried using different enc and pay elements in both the case..but i i unlink and link to gstrtpbin, there is no data at all..even in the first switch to file transfer.............. :(

Please help...i have tried every possible thing to fix this issue....but i am stuck with the same for last couple of days now.....




Any input will be appreciated from bottum of heart.......

BR
Manish



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