<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
<HTML><HEAD>
<META HTTP-EQUIV="Content-Type" CONTENT="text/html; charset=iso-8859-1">
<META content="MSHTML 6.00.2900.3354" name=GENERATOR></HEAD>
<BODY>
<DIV><SPAN class=500341405-14112008><FONT face=Arial color=#0000ff size=2>Hi
Zhang ,</FONT></SPAN></DIV>
<DIV><SPAN class=500341405-14112008></SPAN> </DIV>
<DIV><SPAN class=500341405-14112008><FONT face=Arial color=#0000ff
size=2> Thanks
for your reply </FONT></SPAN></DIV>
<DIV><SPAN
class=500341405-14112008>
<FONT face=Arial color=#0000ff size=2>Did you mean the following in the
_class_init ( ) ?</FONT></SPAN></DIV>
<DIV><SPAN class=500341405-14112008><FONT face=Arial color=#0000ff
size=2> If
so then yes, i have done that .</FONT></SPAN></DIV>
<DIV><SPAN class=500341405-14112008><FONT face=Arial color=#0000ff
size=2> </FONT></SPAN></DIV>
<DIV><SPAN class=500341405-14112008><FONT face=Arial color=#0000ff
size=2> <FONT color=#000000>static void
gst_queue3_class_init (Gstqueue3Class *
klass)<BR>
{</FONT></FONT></SPAN></DIV>
<DIV><SPAN class=500341405-14112008><FONT face=Arial
size=2> <BR>
GstElementClass
*gstelement_class;<BR>
gstelement_class = (GstElementClass *) klass;<BR></FONT></SPAN></DIV>
<DIV><SPAN class=500341405-14112008><FONT face=Arial
size=2></FONT></SPAN> </DIV>
<DIV><SPAN
class=500341405-14112008>
gstelement_class->change_state = GST_DEBUG_FUNCPTR
(gst_queue3_change_state);</SPAN></DIV>
<DIV><SPAN class=500341405-14112008>
<FONT face=Arial color=#0000ff size=2>}</FONT></SPAN></DIV>
<DIV><SPAN class=500341405-14112008><FONT face=Arial color=#0000ff
size=2></FONT></SPAN> </DIV>
<DIV><SPAN class=500341405-14112008> R<FONT face=Arial
color=#0000ff size=2>egards,</FONT></SPAN></DIV>
<DIV><SPAN
class=500341405-14112008> <FONT
face=Arial color=#0000ff size=2>~Arnab </FONT> </SPAN></DIV>
<DIV><SPAN class=500341405-14112008><FONT face=Arial color=#0000ff
size=2></FONT></SPAN> </DIV>
<DIV><SPAN class=500341405-14112008> <BR></DIV></SPAN>
<BLOCKQUOTE>
<DIV class=OutlookMessageHeader dir=ltr align=left><FONT face=Tahoma
size=2>-----Original Message-----<BR><B>From:</B> Eric Zhang
[mailto:nicolas.m.zhang@gmail.com]<BR><B>Sent:</B> Friday, November 14, 2008
7:43 AM<BR><B>To:</B> arnabsamanta@tataelxsi.co.in; Discussion of the
development of GStreamer<BR><B>Subject:</B> Re: [gst-devel] state
change<BR><BR></FONT></DIV>Hi, gstreamer-devel:<BR><BR> Did
you override the `change_state' function pointer in your element's
`_class_init' function?<BR><BR>Eric Zhang<BR><BR>
<DIV class=gmail_quote>2008/11/13 arnabsamanta <SPAN dir=ltr><<A
href="mailto:arnabsamanta@tataelxsi.co.in">arnabsamanta@tataelxsi.co.in</A>></SPAN><BR>
<BLOCKQUOTE class=gmail_quote
style="PADDING-LEFT: 1ex; MARGIN: 0pt 0pt 0pt 0.8ex; BORDER-LEFT: rgb(204,204,204) 1px solid"> Hi
All,<BR> during state change of my plug in i am
calling a function QUEUE3_De_Init()<BR>but its not getting called
.<BR> QUEUE3_De_Init() de-initializes all the
initialized variables in the code.<BR> the
implementation is as such<BR><BR> static
GstStateChangeReturn gst_queue3_change_state (GstElement *
element,<BR>GstStateChange transition)<BR>
{<BR> Gstqueue3 *queue3;<BR>
abuffer = GST_QUEUE3 (element);<BR><BR>
GstStateChangeReturn ret = GST_STATE_CHANGE_SUCCESS;<BR><BR>
switch (transition) {<BR>
case GST_STATE_CHANGE_NULL_TO_READY:<BR>
break;<BR> case
GST_STATE_CHANGE_READY_TO_PAUSED:<BR>
break;<BR>
case
GST_STATE_CHANGE_PAUSED_TO_PLAYING:<BR>
break;<BR>
default:<BR>
break;<BR> }<BR><BR>
ret = GST_ELEMENT_CLASS (parent_class)->change_state
(element,<BR>transition);<BR><BR> switch
(transition) {<BR>
case GST_STATE_CHANGE_PLAYING_TO_PAUSED:<BR><BR>
break;<BR> case
GST_STATE_CHANGE_PAUSED_TO_READY:<BR>
break;<BR>
case
GST_STATE_CHANGE_READY_TO_NULL:<BR>
QUEUE3_De_Init();<BR>
break;<BR>
default:<BR>
break;<BR>
}<BR><BR><BR> So,<BR>
can please somebody tell me how and where I can call the function when
am<BR>changing the state of the pipeline ?<BR><BR> Regards,<BR>
Arnab<BR><BR><BR>The information contained in this
electronic message and any attachments to this message are intended for the
exclusive use of the addressee(s) and may contain proprietary, confidential
or privileged information. If you are not the intended recipient, you should
not disseminate, distribute or copy this e-mail. Please notify the sender
immediately and destroy all copies of this message and any attachments
contained in
it.<BR><BR>-------------------------------------------------------------------------<BR>This
SF.Net email is sponsored by the Moblin Your Move Developer's
challenge<BR>Build the coolest Linux based applications with Moblin SDK
& win great prizes<BR>Grand prize is a trip for two to an Open Source
event anywhere in the world<BR><A
href="http://moblin-contest.org/redirect.php?banner_id=100&url=/"
target=_blank>http://moblin-contest.org/redirect.php?banner_id=100&url=/</A><BR>_______________________________________________<BR>gstreamer-devel
mailing list<BR><A
href="mailto:gstreamer-devel@lists.sourceforge.net">gstreamer-devel@lists.sourceforge.net</A><BR><A
href="https://lists.sourceforge.net/lists/listinfo/gstreamer-devel"
target=_blank>https://lists.sourceforge.net/lists/listinfo/gstreamer-devel</A><BR></BLOCKQUOTE></DIV><BR></BLOCKQUOTE><p>The information contained in this electronic message and any attachments to this message are intended for the exclusive use of the addressee(s) and may contain proprietary, confidential or privileged information. If you are not the intended recipient, you should not disseminate, distribute or copy this e-mail. Please notify the sender immediately and destroy all copies of this message and any attachments contained in it.</p>
</BODY></HTML>