Public Member Functions | Static Public Member Functions

Gst::MessageStateChanged Class Reference

A state change message. More...

Inherits Gst::Message.

Collaboration diagram for Gst::MessageStateChanged:
Collaboration graph
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List of all members.

Public Member Functions

 MessageStateChanged (GstMessage* castitem)
void parse (State& oldstate, State& newstate, State& pending) const
 Extracts the old, new and pending states from the Gst::MessageStateChanged.
State parse () const
 Extracts and returns the new state from the Gst::MessageStateChanged.
State parse_old () const
 Extracts and returns the old state from the Gst::MessageStateChanged.
State parse_pending () const
 Extracts and returns the pending state from the Gst::MessageStateChanged.

Static Public Member Functions

static Glib::RefPtr< Gst::Messagecreate (const Glib::RefPtr< Gst::Object >& src, State oldstate, State newstate, State pending)
 Create a state change message.

Detailed Description

A state change message.

See create() for more details.


Constructor & Destructor Documentation

Gst::MessageStateChanged::MessageStateChanged ( GstMessage *  castitem  )  [explicit]

Member Function Documentation

static Glib::RefPtr<Gst::Message> Gst::MessageStateChanged::create ( const Glib::RefPtr< Gst::Object >&  src,
State  oldstate,
State  newstate,
State  pending 
) [static]

Create a state change message.

This message is posted whenever an element changed its state.

Parameters:
src The object originating the message.
oldstate The previous state.
newstate The new (current) state.
pending The pending (target) state.
Returns:
The new state change message. MT safe.
void Gst::MessageStateChanged::parse ( State oldstate,
State newstate,
State pending 
) const

Extracts the old, new and pending states from the Gst::MessageStateChanged.

MT safe.

Parameters:
oldstate The previous state.
newstate The new (current) state.
pending The pending (target) state.
State Gst::MessageStateChanged::parse (  )  const

Extracts and returns the new state from the Gst::MessageStateChanged.

MT safe.

Returns:
The new (current) state.
State Gst::MessageStateChanged::parse_old (  )  const

Extracts and returns the old state from the Gst::MessageStateChanged.

MT safe.

Returns:
The old state.
State Gst::MessageStateChanged::parse_pending (  )  const

Extracts and returns the pending state from the Gst::MessageStateChanged.

MT safe.

Returns:
The pending state.

The documentation for this class was generated from the following file: