IBM Plunges Into ?Business Event Management,? Helping Define Field

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gstreamer::event

GStreamer::Event(3pm)					User Contributed Perl Documentation				     GStreamer::Event(3pm)

NAME

       GStreamer::Event -  Structure describing events that are passed up and down a pipeline

DESCRIPTION

       The various event types are represented as subclasses:

       GStreamer::Event::FlushStart
       GStreamer::Event::FlushStop
       GStreamer::Event::EOS
       GStreamer::Event::NewSegment
       GStreamer::Event::Tag
       GStreamer::Event::BufferSize
       GStreamer::Event::QOS
       GStreamer::Event::Seek
       GStreamer::Event::Navigation
       GStreamer::Event::Custom::UP
       GStreamer::Event::Custom::DS
       GStreamer::Event::Custom::DS::OOB
       GStreamer::Event::Custom::Both
       GStreamer::Event::Custom::Both::OOB

       To create a new event, you call the constructor of the corresponding class.

       To check if an event is of a certain type, use the type method:

	 if ($event -> type eq "newsegment") {
	   # ...
	 }

	 elsif ($event -> type eq "eos") {
	   # ...
	 }

       To get to the content of an event, call the corresponding accessor:

	 if ($event -> type eq "newsegment") {
	   my $update = $event -> update;
	   my $rate = $event -> rate;
	   my $format = $event -> format;
	   my $start_value = $event -> start_value;
	   my $stop_value = $event -> stop_value;
	   my $stream_time = $event -> stream_time;

	   # ...
	 }

	 elsif ($event -> type eq "tag") {
	   my $tag = $event -> tag;

	   # ...
	 }

METHODS

   structure = $event->get_structure
   eventtype = $event->type
ENUMS AND FLAGS

   enum GStreamer::EventType
       o   'unknown' / 'GST_EVENT_UNKNOWN'

       o   'flush-start' / 'GST_EVENT_FLUSH_START'

       o   'flush-stop' / 'GST_EVENT_FLUSH_STOP'

       o   'eos' / 'GST_EVENT_EOS'

       o   'newsegment' / 'GST_EVENT_NEWSEGMENT'

       o   'tag' / 'GST_EVENT_TAG'

       o   'buffersize' / 'GST_EVENT_BUFFERSIZE'

       o   'sink-message' / 'GST_EVENT_SINK_MESSAGE'

       o   'qos' / 'GST_EVENT_QOS'

       o   'seek' / 'GST_EVENT_SEEK'

       o   'navigation' / 'GST_EVENT_NAVIGATION'

       o   'latency' / 'GST_EVENT_LATENCY'

       o   'step' / 'GST_EVENT_STEP'

       o   'custom-upstream' / 'GST_EVENT_CUSTOM_UPSTREAM'

       o   'custom-downstream' / 'GST_EVENT_CUSTOM_DOWNSTREAM'

       o   'custom-downstream-oob' / 'GST_EVENT_CUSTOM_DOWNSTREAM_OOB'

       o   'custom-both' / 'GST_EVENT_CUSTOM_BOTH'

       o   'custom-both-oob' / 'GST_EVENT_CUSTOM_BOTH_OOB'

SEE ALSO

       GStreamer

COPYRIGHT

       Copyright (C) 2005-2011 by the gtk2-perl team.

       This software is licensed under the LGPL.  See GStreamer for a full notice.

perl v5.14.2							    2012-03-01						     GStreamer::Event(3pm)

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