API reference - Class QAbstractVideoBuffer

CoreImageHandle

Signature: [static,const] QAbstractVideoBuffer_HandleType CoreImageHandle

Description: Enum constant QAbstractVideoBuffer::CoreImageHandle

Python specific notes:
The object exposes a readable attribute 'CoreImageHandle'. This is the getter.

EGLImageHandle

Signature: [static,const] QAbstractVideoBuffer_HandleType EGLImageHandle

Description: Enum constant QAbstractVideoBuffer::EGLImageHandle

Python specific notes:
The object exposes a readable attribute 'EGLImageHandle'. This is the getter.

GLTextureHandle

Signature: [static,const] QAbstractVideoBuffer_HandleType GLTextureHandle

Description: Enum constant QAbstractVideoBuffer::GLTextureHandle

Python specific notes:
The object exposes a readable attribute 'GLTextureHandle'. This is the getter.

NoHandle

Signature: [static,const] QAbstractVideoBuffer_HandleType NoHandle

Description: Enum constant QAbstractVideoBuffer::NoHandle

Python specific notes:
The object exposes a readable attribute 'NoHandle'. This is the getter.

NotMapped

Signature: [static,const] QAbstractVideoBuffer_MapMode NotMapped

Description: Enum constant QAbstractVideoBuffer::NotMapped

Python specific notes:
The object exposes a readable attribute 'NotMapped'. This is the getter.

QPixmapHandle

Signature: [static,const] QAbstractVideoBuffer_HandleType QPixmapHandle

Description: Enum constant QAbstractVideoBuffer::QPixmapHandle

Python specific notes:
The object exposes a readable attribute 'QPixmapHandle'. This is the getter.

ReadOnly

Signature: [static,const] QAbstractVideoBuffer_MapMode ReadOnly

Description: Enum constant QAbstractVideoBuffer::ReadOnly

Python specific notes:
The object exposes a readable attribute 'ReadOnly'. This is the getter.

ReadWrite

Signature: [static,const] QAbstractVideoBuffer_MapMode ReadWrite

Description: Enum constant QAbstractVideoBuffer::ReadWrite

Python specific notes:
The object exposes a readable attribute 'ReadWrite'. This is the getter.

UserHandle

Signature: [static,const] QAbstractVideoBuffer_HandleType UserHandle

Description: Enum constant QAbstractVideoBuffer::UserHandle

Python specific notes:
The object exposes a readable attribute 'UserHandle'. This is the getter.

WriteOnly

Signature: [static,const] QAbstractVideoBuffer_MapMode WriteOnly

Description: Enum constant QAbstractVideoBuffer::WriteOnly

Python specific notes:
The object exposes a readable attribute 'WriteOnly'. This is the getter.

XvShmImageHandle

Signature: [static,const] QAbstractVideoBuffer_HandleType XvShmImageHandle

Description: Enum constant QAbstractVideoBuffer::XvShmImageHandle

Python specific notes:
The object exposes a readable attribute 'XvShmImageHandle'. This is the getter.

_const_cast

Signature: [const] QAbstractVideoBuffer ptr _const_cast

Description: Returns a non-const reference to self.

Basically, this method allows turning a const object reference to a non-const one. This method is provided as last resort to remove the constness from an object. Usually there is a good reason for a const object reference, so using this method may have undesired side effects.

This method has been introduced in version 0.29.6.

_create

Signature: void _create

Description: Ensures the C++ object is created

Use this method to ensure the C++ object is created, for example to ensure that resources are allocated. Usually C++ objects are created on demand and not necessarily when the script object is created.

_destroy

Signature: void _destroy

Description: Explicitly destroys the object

Explicitly destroys the object on C++ side if it was owned by the script interpreter. Subsequent access to this object will throw an exception. If the object is not owned by the script, this method will do nothing.

_destroyed?

Signature: [const] bool _destroyed?

Description: Returns a value indicating whether the object was already destroyed

This method returns true, if the object was destroyed, either explicitly or by the C++ side. The latter may happen, if the object is owned by a C++ object which got destroyed itself.

_is_const_object?

Signature: [const] bool _is_const_object?

Description: Returns a value indicating whether the reference is a const reference

This method returns true, if self is a const reference. In that case, only const methods may be called on self.

_manage

Signature: void _manage

Description: Marks the object as managed by the script side.

After calling this method on an object, the script side will be responsible for the management of the object. This method may be called if an object is returned from a C++ function and the object is known not to be owned by any C++ instance. If necessary, the script side may delete the object if the script's reference is no longer required.

Usually it's not required to call this method. It has been introduced in version 0.24.

_unmanage

Signature: void _unmanage

Description: Marks the object as no longer owned by the script side.

Calling this method will make this object no longer owned by the script's memory management. Instead, the object must be managed in some other way. Usually this method may be called if it is known that some C++ object holds and manages this object. Technically speaking, this method will turn the script's reference into a weak reference. After the script engine decides to delete the reference, the object itself will still exist. If the object is not managed otherwise, memory leaks will occur.

Usually it's not required to call this method. It has been introduced in version 0.24.

create

Signature: void create

Description: Ensures the C++ object is created

Use of this method is deprecated. Use _create instead

Use this method to ensure the C++ object is created, for example to ensure that resources are allocated. Usually C++ objects are created on demand and not necessarily when the script object is created.

destroy

Signature: void destroy

Description: Explicitly destroys the object

Use of this method is deprecated. Use _destroy instead

Explicitly destroys the object on C++ side if it was owned by the script interpreter. Subsequent access to this object will throw an exception. If the object is not owned by the script, this method will do nothing.

destroyed?

Signature: [const] bool destroyed?

Description: Returns a value indicating whether the object was already destroyed

Use of this method is deprecated. Use _destroyed? instead

This method returns true, if the object was destroyed, either explicitly or by the C++ side. The latter may happen, if the object is owned by a C++ object which got destroyed itself.

handle

Signature: [const] variant handle

Description: Method QVariant QAbstractVideoBuffer::handle()

handleType

Signature: [const] QAbstractVideoBuffer_HandleType handleType

Description: Method QAbstractVideoBuffer::HandleType QAbstractVideoBuffer::handleType()

is_const_object?

Signature: [const] bool is_const_object?

Description: Returns a value indicating whether the reference is a const reference

Use of this method is deprecated. Use _is_const_object? instead

This method returns true, if self is a const reference. In that case, only const methods may be called on self.

mapMode

Signature: [const] QAbstractVideoBuffer_MapMode mapMode

Description: Method QAbstractVideoBuffer::MapMode QAbstractVideoBuffer::mapMode()

new

Signature: [static] new QAbstractVideoBuffer ptr new

Description: Creates a new object of this class

Python specific notes:
This method is the default initializer of the object.

release

Signature: void release

Description: Method void QAbstractVideoBuffer::release()

unmap

Signature: void unmap

Description: Method void QAbstractVideoBuffer::unmap()