Gst::MessageStateChanged Class Reference

A state change message. More...

#include <message.h>

Inheritance diagram for Gst::MessageStateChanged:

Gst::Message Gst::MiniObject

List of all members.

Public Member Functions

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

State Gst::MessageStateChanged::parse (  ) 

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

MT safe.

Returns:
The new (current) state.

void Gst::MessageStateChanged::parse ( State oldstate,
State newstate,
State pending 
)

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_old (  ) 

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

MT safe.

Returns:
The old state.

State Gst::MessageStateChanged::parse_pending (  ) 

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:

Generated on Thu Jan 15 09:33:13 2009 for gstreamermm by  doxygen 1.5.7.1