Query about Seek Event on the sink pad of a sink
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Query about Seek Event on the sink pad of a sink
 
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Hi,
Dear developers I’m
encountering a problem when I trying to send a seek event to the sink pad of a
self written sink (just call it mysink) which is derived from GstBaseSink It
looks like the event handler even doesn’t response to the seek event. I
think the issues may due to the event direction mechanism of GStreamer. So,
my question
is,
is it possible to send a seek event to the sink pad of a sink, and let it
create a seek event send to upstream? My
goal is:
send a seek event which contains time_cur->time_stop info to mysink, and
mysink will handle it and tell upstream filesrc to seek to new location. Thanks
for your response! Best Regards, Zheng,
Huan(ZBT) OTC/SSD/SSG Intel Aisa-Pacific
Research & Developement Ltd Tel: 021-6116 6435 Inet: 8821 6435 Cub: 3W035 ------------------------------------------------------------------------- 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 [hidden email] https://lists.sourceforge.net/lists/listinfo/gstreamer-devel |
Re: Query about Seek Event on the sink pad of a sink
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Excuse
me for sending it again. Hope somebody can help. Hi,
Dear developers I’m
encountering a problem when I trying to send a seek event to the sink pad of a
self written sink (just call it mysink) which is derived from GstBaseSink It
looks like the event handler even doesn’t response to the seek event. I
think the issues may due to the event direction mechanism of GStreamer. So,
my question
is,
is it possible to send a seek event to the sink pad of a sink, and let it
create a seek event send to upstream? My
goal is:
send a seek event which contains time_cur->time_stop info to mysink, and
mysink will handle it and tell upstream filesrc to seek to new location. Thanks
for your response! Best Regards, Zheng,
Huan(ZBT) OTC/SSD/SSG Intel Aisa-Pacific
Research & Developement Ltd Tel: 021-6116 6435 Inet: 8821 6435 Cub: 3W035 ------------------------------------------------------------------------- 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 [hidden email] https://lists.sourceforge.net/lists/listinfo/gstreamer-devel |
Re: Query about Seek Event on the sink pad of a sink
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Administrator
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In reply to this post by Zheng, Huan
Hi,
On Tue, 2008-11-04 at 16:57 +0800, Zheng, Huan wrote: > Hi, Dear developers > > I’m encountering a problem when I trying to send a seek event to the > sink pad of a self written sink (just call it mysink) which is derived > from GstBaseSink > > It looks like the event handler even doesn’t response to the seek > event. > > I think the issues may due to the event direction mechanism of > GStreamer. Yes, because you can NOT send events (like seek) that can't go in the same direction as the pad you're sending to (sinkpad is downstream, seek events are upstream). > > > > So,my question is, is it possible to send a seek event to the sink pad > of a sink, and let it create a seek event send to upstream? No because of the above. The proper way to do this is to send the event... to the sink element itself (gst_element_send_event(...)). > > > > My goal is: send a seek event which contains time_cur->time_stop info > to mysink, and mysink will handle it and tell upstream filesrc to seek > to new location. > > > > Thanks for your response! Edward > > > > Best Regards, Zheng, Huan(ZBT) > > OTC/SSD/SSG > > Intel Aisa-Pacific Research & Developement Ltd > > Tel: 021-6116 6435 > > Inet: 8821 6435 > > Cub: 3W035 > > > > > ------------------------------------------------------------------------- > 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 [hidden email] https://lists.sourceforge.net/lists/listinfo/gstreamer-devel ------------------------------------------------------------------------- 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 [hidden email] https://lists.sourceforge.net/lists/listinfo/gstreamer-devel |
Re: Query about Seek Event on the sink pad of a sink
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Thank you, I will try to send the seek event to element itself.
But will this seek event be handled by the sink_event_handler of the sinkpad? I will try. Best Regards, Zheng, Huan(ZBT) OTC/SSD/SSG Intel Aisa-Pacific Research & Developement Ltd Tel: 021-6116 6435 Inet: 8821 6435 Cub: 3W035 -----Original Message----- From: Edward Hervey [mailto:[hidden email]] Sent: 2008年11月5日 17:19 To: Discussion of the development of GStreamer Subject: Re: [gst-devel] Query about Seek Event on the sink pad of a sink Hi, On Tue, 2008-11-04 at 16:57 +0800, Zheng, Huan wrote: > Hi, Dear developers > > I’m encountering a problem when I trying to send a seek event to the > sink pad of a self written sink (just call it mysink) which is derived > from GstBaseSink > > It looks like the event handler even doesn’t response to the seek > event. > > I think the issues may due to the event direction mechanism of > GStreamer. Yes, because you can NOT send events (like seek) that can't go in the same direction as the pad you're sending to (sinkpad is downstream, seek events are upstream). > > > > So,my question is, is it possible to send a seek event to the sink pad > of a sink, and let it create a seek event send to upstream? No because of the above. The proper way to do this is to send the event... to the sink element itself (gst_element_send_event(...)). > > > > My goal is: send a seek event which contains time_cur->time_stop info > to mysink, and mysink will handle it and tell upstream filesrc to seek > to new location. > > > > Thanks for your response! Edward > > > > Best Regards, Zheng, Huan(ZBT) > > OTC/SSD/SSG > > Intel Aisa-Pacific Research & Developement Ltd > > Tel: 021-6116 6435 > > Inet: 8821 6435 > > Cub: 3W035 > > > > > ------------------------------------------------------------------------- > 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 [hidden email] https://lists.sourceforge.net/lists/listinfo/gstreamer-devel ------------------------------------------------------------------------- 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 [hidden email] https://lists.sourceforge.net/lists/listinfo/gstreamer-devel ------------------------------------------------------------------------- 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 [hidden email] https://lists.sourceforge.net/lists/listinfo/gstreamer-devel |
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