plugin cannot be encapsulated in a bin

Diqing Zhong wrote:
> Hi all,
>  
> I'm developed a deocder plugin, connect with other
elements (demux,
> videosink... ) and it works well.
> But while I add this plugin into a bin and ghost its
src and sink
> pads, link this bin as before, it does not work...
>  
> e.g.,
> the pipes
> Pipe1: decoder->videosink
> and
> Pipe2: bin(containing decoder)->videosink
>  
> should be equivalent.
>
> However the Pipe2 connection does not work.
>  
> I debugged and found that in decoder element
chain_function, the
> buffer received are all with 0 size. So is there
anything I should do
> in the plugin to support this??
>  
this is hard to see if we can be of help without seeing what
you wrote
down in your app for instance...
could you please post the code in which you use a bin to
encapsulate
your element ?

Ben


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Hi,
(please keep list in copy... the more, the merrier ;) )

Diqing Zhong wrote:
> Hi,
>  
> Here's the code, thanks so much for the help.  
>  
>  - Max
>  
>
------------------------------------------------------------
-------------------------------
>     static GstElement *decbin     = NULL;
>     static GstElement *video_decode     = NULL;
>
>    
video_decode=gst_element_factory_make("mpeg2_video_dec&
quot;, NULL);
>     decbin = gst_bin_new("decbin");
>     if ( gst_bin_add(GST_BIN(decbin), video_decode) ==
FALSE) {
>           g_print("Error add video decode to
bin"); 
>     }
>
>     GstPad *video_decode_sinkpad;
>     video_decode_sinkpad =
gst_element_get_pad(video_decode, "sink");
>     if (gst_element_add_pad (decbin, gst_ghost_pad_new
("sink",
> video_decode_sinkpad)) == FALSE) {
>           g_print("Error gst element add sink
pad"); 
>     }
>
do you link your sink pad with anything ?

>     GstPad *video_decode_srcpad;
>     video_decode_srcpad =
gst_element_get_pad(video_decode, "src");
>     if (gst_element_add_pad (decbin, gst_ghost_pad_new
("src",
> video_decode_srcpad))== FALSE) {
>           g_print("Error gst element add source
pad"); 
>     }
>
>     gst_object_unref (GST_OBJECT
(video_decode_sinkpad));
>     gst_object_unref (GST_OBJECT
(video_decode_srcpad));
>
>     gst_bin_add_many(GST_BIN(bin), decbin, video_sink,
NULL);
>
>     if(gst_element_link(decbin, video_sink) == FALSE)
{
>         g_print("Error linking
decbin->video_sinkn");
>         g_assert(0);
>     }
>
Ben


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services, security?
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Apache Geronimo
http://sel.as-us.falkag.net/
sel?cmd=lnk&kid=120709&bid=263057&dat=121642

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