GnlOperation

GnlOperation — Encapsulates filters/effects for use with GnlObjects

Synopsis

                    GnlOperation;

Object Hierarchy

  GObject
   +----GstObject
         +----GstElement
               +----GstBin
                     +----GnlObject
                           +----GnlOperation

Implemented Interfaces

GnlOperation implements GstChildProxy.

Properties

  "sinks"                    gint                  : Read / Write

Signals

  "input-priority-changed"                         : Run Last

Description

A GnlOperation performs a transformation or mixing operation on the data from one or more GnlSources, which is used to implement filters or effects.

Synopsis

Element Information

plugin

 gnonlin

author

 Wim Taymans <wim.taymans@gmail.com>, Edward Hervey <bilboed@bilboed.com>

class

 Filter/Editor

Element Pads

name

 sink%d

direction

 sink

presence

 request

details

 ANY

name

 src

direction

 source

presence

 sometimes

details

 ANY

Details

GnlOperation

typedef struct _GnlOperation GnlOperation;

Property Details

The "sinks" property

  "sinks"                    gint                  : Read / Write

Specifies the number of sink pads the operation should provide. If the sinks property is -1 (the default) pads are only created as demanded via get_request_pad() calls on the element.

Allowed values: >= -1

Default value: -1

Signal Details

The "input-priority-changed" signal

void                user_function                      (GnlOperation *gnloperation,
                                                        GstPad       *arg1,
                                                        guint         arg2,
                                                        gpointer      user_data)         : Run Last

gnloperation :

 the object which received the signal.

user_data :

 user data set when the signal handler was connected.
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