<html xmlns:v="urn:schemas-microsoft-com:vml" xmlns:o="urn:schemas-microsoft-com:office:office" xmlns:w="urn:schemas-microsoft-com:office:word" xmlns="http://www.w3.org/TR/REC-html40"> <head> <META HTTP-EQUIV="Content-Type" CONTENT="text/html; charset=us-ascii"> <meta name=Generator content="Microsoft Word 11 (filtered medium)">  <style>  </style> </head> <body lang=EN-US link=blue vlink=blue> <div class=Section1> Hi,<o:p></o:p> <o:p> </o:p> I wrote an application as well.  I used a hash table, <o:p></o:p> <o:p> </o:p> Guint32 pt = 96;<o:p></o:p> GHashTable *pt_map = g_hash_table_new_full (g_direct_hash,<o:p></o:p>                                                                         g_direct_equal, NULL, (GDestroyNotify)gst_caps_unref);<o:p></o:p> <o:p> </o:p> then established the caps filter<o:p></o:p> <o:p> </o:p> caps = gst_caps_new_simple(“application/x-rtp”, “clock-rate”,G_TYPE_INT, 90000, NULL);<o:p></o:p> <o:p> </o:p> insert  into the hash table <o:p></o:p> <o:p> </o:p> g_hash_table_insert (pt_map, GINT_TO_POINTER(pt), (gpointer) caps);<o:p></o:p> <o:p> </o:p> then when connecting the rtpbin and the depayloader, link them with the caps<o:p></o:p> <o:p> </o:p> That worked for me pretty well.<o:p></o:p> <o:p> </o:p> Regards,<o:p></o:p> <o:p> </o:p> Daniel.<o:p></o:p> <o:p> </o:p> <div> <div class=MsoNormal align=center style='text-align:center'> <hr size=2 width="100%" align=center tabindex=-1> </div> From: gstreamer-devel-bounces@lists.sourceforge.net [mailto:gstreamer-devel-bounces@lists.sourceforge.net] On Behalf Of Deeptendu Bikash Sent: Wednesday, August 09, 2006 4:33 AM To: gstreamer-devel@lists.sourceforge.net Subject: Re: [gst-devel] I need help with RTP pipeline<o:p></o:p> </div> <o:p> </o:p> I am trying to do the same thing by writing an application. For the receiver, I am creating a udpsrc,  depayloader, decoder and videosink, and linking them together. I am creating them like this: depayloader = gst_element_factory_make("rtph263pdepay", "testrtpplayer_depay"); decoder = gst_element_factory_make("ffdec_h263", "testrtpplayer_dec"); My question is, how do I set the caps of the rtph263pdepay sink pads to accept "application/x-rtp, clock-rate=90000,pt=97"? Thanks, Deeptendu <o:p></o:p> <div> On 8/8/06, M M <<a href="mailto:mikel_m01@yahoo.com">mikel_m01@yahoo.com</a>> wrote:<o:p></o:p> <div> Hi, Thanks!!!, That solved the problem. Regards, Michael<o:p></o:p> </div> <div> Philippe Khalaf <<a href="mailto:burgerman@users.sourceforge.net" target="_blank"> burgerman@users.sourceforge.net</a>> wrote:<o:p></o:p> </div> <div> Hi, Try this : gst-launch udpsrc port=4000 ! application/x-rtp, clock-rate=90000, pt=97 ! rtph263pdepay ! ffdec_h263 ! xvimagesink Regards, Philippe M M wrote: > Hi, > Please I need help on RTP pipeline, I have this pipeline: > > Sender: > gst-launch videotestsrc ! ffenc_h263p ! rtph263ppay ! udpsink port=4000 > Setting pipeline to PAUSED ... > Pipeline is PREROLLING ... > Pipeline is PREROLLED ... > Setting pipeline to PLAYING ... > New clock: GstSystemClock > > Works fine!!! but the Receiver: > > gst-launch udpsrc port=4000 ! rtph263pdepay ! ffdec_h263 ! xvimagesink > OR even > gst-launch udpsrc port=4000 ! rtph263pdepay ! fakesink > > Setting pipeline to PAUSED ... > Pipeline is live and does not need PREROLL ... > Setting pipeline to PLAYING ... > New clock: GstSystemClock > > ** (gst-launch-0.10:29039): CRITICAL **: gst_base_rtp_depayload_chain: > assertion `filter->clock_rate > 0' failed > ERROR: from element /pipeline0/udpsrc0: Internal data flow error. > Additional debug info: > gstbasesrc.c(1569): gst_base_src_loop (): /pipeline0/udpsrc0: > streaming task paused, reason error (-5) > Execution ended after 2564000 ns. > Setting pipeline to PAUSED ... > Setting pipeline to READY ... > Setting pipeline to NULL ... > FREEING pipeline ... > > I traced the error to gstrtph263pdepay.c and gstbasertpdepayload.c and > tried to fix the clockrate, by commenting out checking the structure (in > gstrtph263pdepay.c setcaps), that didn't work. This error unfortunately > exists in all the RTP depayloaders. Maybe I am doing something wrong!. > Please help. > > Regards, > Michael > > ------------------------------------------------------------------------ > See the all-new, redesigned <a href="http://Yahoo.com" target="_blank">Yahoo.com </a>. Check it out. > > > <o:p></o:p> </div> <div> > ------------------------------------------------------------------------ > > ------------------------------------------------------------------------- > Using Tomcat but need to do more? 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