SwsContext wrapper - tool performing image scaling and pixel format conversion. More...
#include <Media_Scaler.hxx>
Inheritance diagram for Media_Scaler:
Public Member Functions | |
| Media_Scaler () | |
| Empty constructor. More... | |
| virtual | ~Media_Scaler () |
| Destructor. More... | |
| void | Release () |
| sws_freeContext() wrapper. More... | |
| bool | Init (const Graphic3d_Vec2i &theSrcDims, int theSrcFormat, const Graphic3d_Vec2i &theResDims, int theResFormat) |
| sws_getContext() wrapper - creates conversion context. More... | |
| bool | Convert (const Handle< Media_Frame > &theSrc, const Handle< Media_Frame > &theRes) |
| Convert one frame to another. More... | |
| bool | IsValid () const |
| Return TRUE if context was initialized. More... | |
 Public Member Functions inherited from Standard_Transient | |
| Standard_Transient () | |
| Empty constructor. More... | |
| Standard_Transient (const Standard_Transient &) | |
| Copy constructor – does nothing. More... | |
| Standard_Transient & | operator= (const Standard_Transient &) |
| Assignment operator, needed to avoid copying reference counter. More... | |
| virtual | ~Standard_Transient () |
| Destructor must be virtual. More... | |
| virtual void | Delete () const |
| Memory deallocator for transient classes. More... | |
| virtual const opencascade::handle< Standard_Type > & | DynamicType () const |
| Returns a type descriptor about this object. More... | |
| Standard_Boolean | IsInstance (const opencascade::handle< Standard_Type > &theType) const |
| Returns a true value if this is an instance of Type. More... | |
| Standard_Boolean | IsInstance (const Standard_CString theTypeName) const |
| Returns a true value if this is an instance of TypeName. More... | |
| Standard_Boolean | IsKind (const opencascade::handle< Standard_Type > &theType) const |
| Returns true if this is an instance of Type or an instance of any class that inherits from Type. Note that multiple inheritance is not supported by OCCT RTTI mechanism. More... | |
| Standard_Boolean | IsKind (const Standard_CString theTypeName) const |
| Returns true if this is an instance of TypeName or an instance of any class that inherits from TypeName. Note that multiple inheritance is not supported by OCCT RTTI mechanism. More... | |
| Standard_Transient * | This () const |
| Returns non-const pointer to this object (like const_cast). For protection against creating handle to objects allocated in stack or call from constructor, it will raise exception Standard_ProgramError if reference counter is zero. More... | |
| Standard_Integer | GetRefCount () const |
| Get the reference counter of this object. More... | |
| void | IncrementRefCounter () const |
| Increments the reference counter of this object. More... | |
| Standard_Integer | DecrementRefCounter () const |
| Decrements the reference counter of this object; returns the decremented value. More... | |
Protected Attributes | |
| SwsContext * | mySwsContext |
| conversion context More... | |
| Graphic3d_Vec2i | mySrcDims |
| dimensions of input frame More... | |
| int | mySrcFormat |
| pixel format (AVPixelFormat) of input frame More... | |
| Graphic3d_Vec2i | myResDims |
| dimensions of destination frame More... | |
| int | myResFormat |
| pixel format (AVPixelFormat) of destination frame More... | |
Additional Inherited Members | |
| Public Types inherited from Standard_Transient | |
| typedef void | base_type |
| Returns a type descriptor about this object. More... | |
| Static Public Member Functions inherited from Standard_Transient | |
| static const char * | get_type_name () |
| Returns a type descriptor about this object. More... | |
| static const opencascade::handle< Standard_Type > & | get_type_descriptor () |
| Returns type descriptor of Standard_Transient class. More... | |
Detailed Description
SwsContext wrapper - tool performing image scaling and pixel format conversion.
Constructor & Destructor Documentation
◆ Media_Scaler()
| Media_Scaler::Media_Scaler | ( | ) |
Empty constructor.
◆ ~Media_Scaler()
|
virtual |
Destructor.
Member Function Documentation
◆ Convert()
| bool Media_Scaler::Convert | ( | const Handle< Media_Frame > & | theSrc, |
| const Handle< Media_Frame > & | theRes | ||
| ) |
Convert one frame to another.
◆ Init()
| bool Media_Scaler::Init | ( | const Graphic3d_Vec2i & | theSrcDims, |
| int | theSrcFormat, | ||
| const Graphic3d_Vec2i & | theResDims, | ||
| int | theResFormat | ||
| ) |
sws_getContext() wrapper - creates conversion context.
- Parameters
-
theSrcDims dimensions of input frame theSrcFormat pixel format (AVPixelFormat) of input frame theResDims dimensions of destination frame theResFormat pixel format (AVPixelFormat) of destination frame
◆ IsValid()
|
inline |
Return TRUE if context was initialized.
◆ Release()
| void Media_Scaler::Release | ( | ) |
sws_freeContext() wrapper.
Field Documentation
◆ myResDims
|
protected |
dimensions of destination frame
◆ myResFormat
|
protected |
pixel format (AVPixelFormat) of destination frame
◆ mySrcDims
|
protected |
dimensions of input frame
◆ mySrcFormat
|
protected |
pixel format (AVPixelFormat) of input frame
◆ mySwsContext
|
protected |
conversion context
The documentation for this class was generated from the following file:
