AVBlocks for C++  1.13
Audio and Video Software Development Kit
Parameter Class Referenceabstract

Parameter is the base class for named parameters passed to various classes in AVBlocks. More...

Inherits Reference.

Inherited by ByteArrayParameter, FloatParameter, IntParameter, MediaBufferParameter, and StringParameter.

Public Member Functions

virtual const char * name () const =0
 Returns the parameter name. More...
 
virtual void setName (const char *name)=0
 Sets the parameter name. More...
 
virtual ParamType::Enum type () const =0
 Returns the parameter type. More...
 
- Public Member Functions inherited from Reference
virtual int32_t retain () const =0
 Retains the instance. More...
 
virtual int32_t release () const =0
 Releases the instance. More...
 
virtual int32_t retainCount () const =0
 Returns the current reference count. More...
 

Protected Member Functions

 ~Parameter ()
 This object can be destroyed only by the AVBlocks library.
 

Detailed Description

Parameter is the base class for named parameters passed to various classes in AVBlocks.

The parameter name is an ANSI string. The parameter content can be a simple value or a complex structure. This is determined by the parameter type.

Member Function Documentation

virtual const char* name ( ) const
pure virtual

Returns the parameter name.

Returns
A pointer to zero terminated ANSI string. The returned pointer cannot be NULL but the string can be empty.
virtual void setName ( const char *  name)
pure virtual

Sets the parameter name.

Parameters
name[in] A pointer to zero terminated ANSI string. If NULL it is interpreted as if an empty string is provided. The string pointed by name is copied internally and is not required to be valid after the method returns.
virtual ParamType::Enum type ( ) const
pure virtual

Returns the parameter type.

Returns
A ParamType constant.