[gst-devel] state change

[sudarshan bisht]

Hi ,
             Are you handling EOS  event properly in your plugin ?

On Fri, Nov 14, 2008 at 10:49 AM, arnabsamanta <arnabsamanta at tataelxsi.co.in
> wrote:

>  Hi Zhang ,
>
>             Thanks for your reply
>             Did you mean the following in the _class_init ( ) ?
>             If so then yes, i have done that .
>
>        static void gst_queue3_class_init (Gstqueue3Class * klass)
>         {
>
>                 GstElementClass *gstelement_class;
>                 gstelement_class = (GstElementClass *) klass;
>
>                 gstelement_class->change_state = GST_DEBUG_FUNCPTR
> (gst_queue3_change_state);
>         }
>
>     Regards,
>             ~Arnab
>
>
>
> -----Original Message-----
> *From:* Eric Zhang [mailto:nicolas.m.zhang at gmail.com]
> *Sent:* Friday, November 14, 2008 7:43 AM
> *To:* arnabsamanta at tataelxsi.co.in; Discussion of the development of
> GStreamer
> *Subject:* Re: [gst-devel] state change
>
> Hi, gstreamer-devel:
>
>     Did you override the `change_state' function pointer in your element's
> `_class_init' function?
>
> Eric Zhang
>
> 2008/11/13 arnabsamanta <arnabsamanta at tataelxsi.co.in>
>
>>  Hi All,
>>        during state change of my plug in i am calling a function
>> QUEUE3_De_Init()
>> but its not getting called .
>>        QUEUE3_De_Init() de-initializes all the initialized variables in
>> the code.
>>        the implementation is as such
>>
>>         static GstStateChangeReturn gst_queue3_change_state (GstElement *
>> element,
>> GstStateChange transition)
>>        {
>>        Gstqueue3 *queue3;
>>        abuffer = GST_QUEUE3 (element);
>>
>>        GstStateChangeReturn ret = GST_STATE_CHANGE_SUCCESS;
>>
>>        switch (transition) {
>>                case GST_STATE_CHANGE_NULL_TO_READY:
>>                        break;
>>                case GST_STATE_CHANGE_READY_TO_PAUSED:
>>                        break;
>>                case GST_STATE_CHANGE_PAUSED_TO_PLAYING:
>>                        break;
>>                default:
>>                        break;
>>        }
>>
>>        ret = GST_ELEMENT_CLASS (parent_class)->change_state (element,
>> transition);
>>
>>        switch (transition) {
>>                case GST_STATE_CHANGE_PLAYING_TO_PAUSED:
>>
>>                        break;
>>                case GST_STATE_CHANGE_PAUSED_TO_READY:
>>                        break;
>>                case GST_STATE_CHANGE_READY_TO_NULL:
>>                        QUEUE3_De_Init();
>>                        break;
>>                default:
>>                        break;
>>        }
>>
>>
>>        So,
>>        can please somebody tell me how and where I can call the function
>> when am
>> changing the state of the pipeline ?
>>
>>  Regards,
>>        Arnab
>>
>>
>> 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.
>>
>> -------------------------------------------------------------------------
>> This SF.Net email is sponsored by the Moblin Your Move Developer's
>> challenge
>> Build the coolest Linux based applications with Moblin SDK & win great
>> prizes
>> Grand prize is a trip for two to an Open Source event anywhere in the
>> world
>> http://moblin-contest.org/redirect.php?banner_id=100&url=/
>> _______________________________________________
>> gstreamer-devel mailing list
>> gstreamer-devel at lists.sourceforge.net
>> https://lists.sourceforge.net/lists/listinfo/gstreamer-devel
>>
>
> 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.
>
> -------------------------------------------------------------------------
> This SF.Net email is sponsored by the Moblin Your Move Developer's
> challenge
> Build the coolest Linux based applications with Moblin SDK & win great
> prizes
> Grand prize is a trip for two to an Open Source event anywhere in the world
> http://moblin-contest.org/redirect.php?banner_id=100&url=/
> _______________________________________________
> gstreamer-devel mailing list
> gstreamer-devel at lists.sourceforge.net
> https://lists.sourceforge.net/lists/listinfo/gstreamer-devel
>
>


-- 
Regards,

Sudarshan Bisht
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.freedesktop.org/archives/gstreamer-devel/attachments/20081114/25499e62/attachment.htm>