NAME¶
GStreamer::Message - Lightweight objects to signal the application of pipeline
events
DESCRIPTION¶
The various nmessage types are represented as subclasses:
- GStreamer::Message::EOS
- GStreamer::Message::Error
- GStreamer::Message::Warning
- GStreamer::Message::Info
- GStreamer::Message::Tag
- GStreamer::Message::Buffering
- GStreamer::Message::StateChanged
- GStreamer::Message::StateDirty
- GStreamer::Message::StepDone
- GStreamer::Message::ClockProvide
- GStreamer::Message::ClockLost
- GStreamer::Message::NewClock
- GStreamer::Message::StructureChange
- GStreamer::Message::StreamStatus
- GStreamer::Message::Application
- GStreamer::Message::Element
- GStreamer::Message::SegmentStart
- GStreamer::Message::SegmentDone
- GStreamer::Message::Duration
- GStreamer::Message::Latency [0.10.12]
- GStreamer::Message::AsyncStart [0.10.13]
- GStreamer::Message::AsyncDone [0.10.13]
To create a new message, you call the constructor of the corresponding class.
To check if a message is of a certain type, use the
& operator on the
type method:
if ($message -> type & "error") {
# ...
}
elsif ($message -> type & "eos") {
# ...
}
To get to the content of a message, call the corresponding accessor:
if ($message -> type & "state-changed") {
my $old_state = $message -> old_state;
my $new_state = $message -> new_state;
my $pending = $message -> pending;
# ...
}
elsif ($message -> type & "segment-done") {
my $format = $message -> format;
my $position = $message -> position;
# ...
}
METHODS¶
object = $message-> src¶
structure = $message-> get_structure¶
64 bit unsigned = $message-> timestamp¶
messagetype = $message-> type¶
ENUMS AND FLAGS¶
flags GStreamer::MessageType¶
- •
- 'unknown' / 'GST_MESSAGE_UNKNOWN'
- •
- 'eos' / 'GST_MESSAGE_EOS'
- •
- 'error' / 'GST_MESSAGE_ERROR'
- •
- 'warning' / 'GST_MESSAGE_WARNING'
- •
- 'info' / 'GST_MESSAGE_INFO'
- •
- 'tag' / 'GST_MESSAGE_TAG'
- •
- 'buffering' / 'GST_MESSAGE_BUFFERING'
- •
- 'state-changed' / 'GST_MESSAGE_STATE_CHANGED'
- •
- 'state-dirty' / 'GST_MESSAGE_STATE_DIRTY'
- •
- 'step-done' / 'GST_MESSAGE_STEP_DONE'
- •
- 'clock-provide' / 'GST_MESSAGE_CLOCK_PROVIDE'
- •
- 'clock-lost' / 'GST_MESSAGE_CLOCK_LOST'
- •
- 'new-clock' / 'GST_MESSAGE_NEW_CLOCK'
- •
- 'structure-change' / 'GST_MESSAGE_STRUCTURE_CHANGE'
- •
- 'stream-status' / 'GST_MESSAGE_STREAM_STATUS'
- •
- 'application' / 'GST_MESSAGE_APPLICATION'
- •
- 'element' / 'GST_MESSAGE_ELEMENT'
- •
- 'segment-start' / 'GST_MESSAGE_SEGMENT_START'
- •
- 'segment-done' / 'GST_MESSAGE_SEGMENT_DONE'
- •
- 'duration' / 'GST_MESSAGE_DURATION'
- •
- 'latency' / 'GST_MESSAGE_LATENCY'
- •
- 'async-start' / 'GST_MESSAGE_ASYNC_START'
- •
- 'async-done' / 'GST_MESSAGE_ASYNC_DONE'
- •
- 'request-state' / 'GST_MESSAGE_REQUEST_STATE'
- •
- 'step-start' / 'GST_MESSAGE_STEP_START'
- •
- 'qos' / 'GST_MESSAGE_QOS'
- •
- 'progress' / 'GST_MESSAGE_PROGRESS'
- •
- 'any' / 'GST_MESSAGE_ANY'
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.