Gst::VideoOrientation Class Reference
gstreamermm Interfaces

An interface for elements providing video orientation controls. More...

`#include <gstreamermm/videoorientation.h>`

Inherits Interface.

## Public Member Functions

| VideoOrientation (VideoOrientation&& src) noexcept
VideoOrientation& | operator= (VideoOrientation&& src) noexcept
| ~VideoOrientation () noexcept override
GstVideoOrientation* | gobj ()
| Provides access to the underlying C GObject. More...
const GstVideoOrientation* | gobj () const
| Provides access to the underlying C GObject. More...
bool | get_hcenter (int& center) const
| Get the horizontal centering offset from the given object. More...
bool | get_hflip (bool&flip) const
| Get the horizontal flipping state (`true` for flipped) from the given object. More...
bool | get_vcenter (int& center) const
| Get the vertical centering offset from the given object. More...
bool | get_vflip (bool&flip) const
| Get the vertical flipping state (`true` for flipped) from the given object. More...
bool | set_hcenter (int center)
| Set the horizontal centering offset for the given object. More...
bool | set_hflip (bool flip)
| Set the horizontal flipping state (`true` for flipped) for the given object. More...
bool | set_vcenter (int center)
| Set the vertical centering offset for the given object. More...
bool | set_vflip (bool flip)
| Set the vertical flipping state (`true` for flipped) for the given object. More...
virtual bool | get_hflip_vfunc (bool&flip) const
virtual bool | get_vflip_vfunc (bool&flip) const
virtual bool | get_hcenter_vfunc (int& center) const
virtual bool | get_vcenter_vfunc (int& center) const
virtual bool | set_hflip_vfunc (bool flip)
virtual bool | set_vflip_vfunc (bool flip)
virtual bool | set_hcenter_vfunc (int center)
virtual bool | set_vcenter_vfunc (int center)

## Static Public Member Functions

static void | add_interface (GType gtype_implementer)
static GType | get_type ()
| Get the GType for this class, for use with the underlying GObject type system. More...

## Protected Member Functions

| VideoOrientation ()
| You should derive from this class to use it. More...

## Related Functions

(Note that these are not member functions.)
Glib::RefPtr< Gst::VideoOrientation > | wrap (GstVideoOrientation* object, bool take_copy=false)
| A Glib::wrap() method for this object. More...

## Detailed Description

An interface for elements providing video orientation controls.

The interface allows unified access to control flipping and autocenter operation of video-sources or operators.

## Constructor & Destructor Documentation

## VideoOrientation() [1/2]

Gst::VideoOrientation::VideoOrientation | ( |  | ) |

protected

You should derive from this class to use it.

## VideoOrientation() [2/2]

Gst::VideoOrientation::VideoOrientation | ( | VideoOrientation&& | src | ) |

noexcept

## ~VideoOrientation()

Gst::VideoOrientation::~VideoOrientation | ( |  | ) |

override noexcept

## Member Function Documentation

## add_interface()

static void Gst::VideoOrientation::add_interface | ( | GType | gtype_implementer | ) |

static

## get_hcenter()

bool Gst::VideoOrientation::get_hcenter | ( | int & | center | ) | const

Get the horizontal centering offset from the given object.

Parameters

  center | Return location for the result.

Returns
  `true` in case the element supports centering.

## get_hcenter_vfunc()

virtual bool Gst::VideoOrientation::get_hcenter_vfunc | ( | int & | center | ) | const

virtual

## get_hflip()

bool Gst::VideoOrientation::get_hflip | ( | bool & | flip | ) | const

Get the horizontal flipping state (`true` for flipped) from the given object.

Parameters

  flip | Return location for the result.

Returns
  `true` in case the element supports flipping.

## get_hflip_vfunc()

virtual bool Gst::VideoOrientation::get_hflip_vfunc | ( | bool & | flip | ) | const

virtual

## get_type()

static GType Gst::VideoOrientation::get_type | ( |  | ) |

static

Get the GType for this class, for use with the underlying GObject type system.

## get_vcenter()

bool Gst::VideoOrientation::get_vcenter | ( | int & | center | ) | const

Get the vertical centering offset from the given object.

Parameters

  center | Return location for the result.

Returns
  `true` in case the element supports centering.

## get_vcenter_vfunc()

virtual bool Gst::VideoOrientation::get_vcenter_vfunc | ( | int & | center | ) | const

virtual

## get_vflip()

bool Gst::VideoOrientation::get_vflip | ( | bool & | flip | ) | const

Get the vertical flipping state (`true` for flipped) from the given object.

Parameters

  flip | Return location for the result.

Returns
  `true` in case the element supports flipping.

## get_vflip_vfunc()

virtual bool Gst::VideoOrientation::get_vflip_vfunc | ( | bool & | flip | ) | const

virtual

## gobj() [1/2]

GstVideoOrientation* Gst::VideoOrientation::gobj | ( |  | ) |

inline

Provides access to the underlying C GObject.

## gobj() [2/2]

const GstVideoOrientation* Gst::VideoOrientation::gobj | ( |  | ) | const

inline

Provides access to the underlying C GObject.

## operator=()

VideoOrientation& Gst::VideoOrientation::operator= | ( | VideoOrientation&& | src | ) |

noexcept

## set_hcenter()

bool Gst::VideoOrientation::set_hcenter | ( | int | center | ) |

Set the horizontal centering offset for the given object.

Parameters

  center | Centering offset.

Returns
  `true` in case the element supports centering.

## set_hcenter_vfunc()

virtual bool Gst::VideoOrientation::set_hcenter_vfunc | ( | int | center | ) |

virtual

## set_hflip()

bool Gst::VideoOrientation::set_hflip | ( | bool | flip | ) |

Set the horizontal flipping state (`true` for flipped) for the given object.

Parameters

  flip | Use flipping.

Returns
  `true` in case the element supports flipping.

## set_hflip_vfunc()

virtual bool Gst::VideoOrientation::set_hflip_vfunc | ( | bool | flip | ) |

virtual

## set_vcenter()

bool Gst::VideoOrientation::set_vcenter | ( | int | center | ) |

Set the vertical centering offset for the given object.

Parameters

  center | Centering offset.

Returns
  `true` in case the element supports centering.

## set_vcenter_vfunc()

virtual bool Gst::VideoOrientation::set_vcenter_vfunc | ( | int | center | ) |

virtual

## set_vflip()

bool Gst::VideoOrientation::set_vflip | ( | bool | flip | ) |

Set the vertical flipping state (`true` for flipped) for the given object.

Parameters

  flip | Use flipping.

Returns
  `true` in case the element supports flipping.

## set_vflip_vfunc()

virtual bool Gst::VideoOrientation::set_vflip_vfunc | ( | bool | flip | ) |

virtual

## Friends And Related Function Documentation

## wrap()

Glib::RefPtr< Gst::VideoOrientation > wrap | ( | GstVideoOrientation * | object,
|  | bool | take_copy = `false`
| ) |  |

related

A Glib::wrap() method for this object.

Parameters

  object | The C instance.
  take_copy | False if the result should take ownership of the C instance. True if it should take a new copy or ref.

Returns
  A C++ instance that wraps this C instance.