Monkeybread Xojo plugin - CVPixelBufferMBS shared methods

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CVPixelBufferMBS.kCVPixelBufferBytesPerRowAlignmentKey as string

Type	Topic	Plugin	Version	macOS	Windows	Linux	iOS	Targets
shared method	AVFoundation	MBS AVFoundation Plugin	13.2	✅ Yes	❌ No	❌ No	✅ Yes	All

Function: One of the attribute keys.
Notes: Indicates the number of bytes per row in the pixel buffer (type Number).

CVPixelBufferMBS.kCVPixelBufferCGBitmapContextCompatibilityKey as string

Type	Topic	Plugin	Version	macOS	Windows	Linux	iOS	Targets
shared method	AVFoundation	MBS AVFoundation Plugin	13.2	✅ Yes	❌ No	❌ No	✅ Yes	All

Function: One of the attribute keys.
Notes: Indicates whether the pixel buffer is compatible with Core Graphics bitmap contexts (type Boolean).

Some examples using this method:

/AVFoundation/CVPixelBuffer test

CVPixelBufferMBS.kCVPixelBufferCGImageCompatibilityKey as string

Type	Topic	Plugin	Version	macOS	Windows	Linux	iOS	Targets
shared method	AVFoundation	MBS AVFoundation Plugin	13.2	✅ Yes	❌ No	❌ No	✅ Yes	All

Function: One of the attribute keys.
Notes: Indicates whether the pixel buffer is compatible with CGImage types (type Boolean).

Some examples using this method:

/AVFoundation/CVPixelBuffer test

CVPixelBufferMBS.kCVPixelBufferExtendedPixelsBottomKey as string

Type	Topic	Plugin	Version	macOS	Windows	Linux	iOS	Targets
shared method	AVFoundation	MBS AVFoundation Plugin	13.2	✅ Yes	❌ No	❌ No	✅ Yes	All

Function: One of the attribute keys.
Notes: The number of pixels padding the bottom of the image (type Number).

CVPixelBufferMBS.kCVPixelBufferExtendedPixelsLeftKey as string

Type	Topic	Plugin	Version	macOS	Windows	Linux	iOS	Targets
shared method	AVFoundation	MBS AVFoundation Plugin	13.2	✅ Yes	❌ No	❌ No	✅ Yes	All

Function: One of the attribute keys.
Notes: The number of pixels padding the left of the image (type Number).

CVPixelBufferMBS.kCVPixelBufferExtendedPixelsRightKey as string

Type	Topic	Plugin	Version	macOS	Windows	Linux	iOS	Targets
shared method	AVFoundation	MBS AVFoundation Plugin	13.2	✅ Yes	❌ No	❌ No	✅ Yes	All

Function: One of the attribute keys.
Notes: The number of pixels padding the right of the image (type Number).

CVPixelBufferMBS.kCVPixelBufferExtendedPixelsTopKey as string

Type	Topic	Plugin	Version	macOS	Windows	Linux	iOS	Targets
shared method	AVFoundation	MBS AVFoundation Plugin	13.2	✅ Yes	❌ No	❌ No	✅ Yes	All

Function: One of the attribute keys.
Notes: The number of pixels padding the top of the image (type Number).

CVPixelBufferMBS.kCVPixelBufferHeightKey as string

Type	Topic	Plugin	Version	macOS	Windows	Linux	iOS	Targets
shared method	AVFoundation	MBS AVFoundation Plugin	13.2	✅ Yes	❌ No	❌ No	✅ Yes	All

Function: One of the attribute keys.
Notes: The height of the pixel buffer (type Number).

Some examples using this method:

CVPixelBufferMBS.kCVPixelBufferIOSurfaceCoreAnimationCompatibilityKey as string

Type	Topic	Plugin	Version	macOS	Windows	Linux	iOS	Targets
shared method	AVFoundation	MBS AVFoundation Plugin	13.2	✅ Yes	❌ No	❌ No	✅ Yes	All

Function: One of the attribute keys.
Notes: A boolean value

CVPixelBufferMBS.kCVPixelBufferIOSurfaceOpenGLFBOCompatibilityKey as string

Type	Topic	Plugin	Version	macOS	Windows	Linux	iOS	Targets
shared method	AVFoundation	MBS AVFoundation Plugin	13.2	✅ Yes	❌ No	❌ No	✅ Yes	All

Function: One of the attribute keys.
Notes: Ensures that the CVPixelBuffer's IOSurfaceRef can be displayed in an CoreAnimation CALayer.

CVPixelBufferMBS.kCVPixelBufferIOSurfaceOpenGLTextureCompatibilityKey as string

Type	Topic	Plugin	Version	macOS	Windows	Linux	iOS	Targets
shared method	AVFoundation	MBS AVFoundation Plugin	13.2	✅ Yes	❌ No	❌ No	✅ Yes	All

Function: One of the attribute keys.
Notes: Ensures that CGLTexImageIOSurface2D() will succeed in creating a valid texture object from the CVPixelBuffer's IOSurface AND that the resulting texture may be used as a color buffer attachment to a OpenGL frame buffer object.

CVPixelBufferMBS.kCVPixelBufferIOSurfacePropertiesKey as string

Type	Topic	Plugin	Version	macOS	Windows	Linux	iOS	Targets
shared method	AVFoundation	MBS AVFoundation Plugin	13.2	✅ Yes	❌ No	❌ No	✅ Yes	All

Function: One of the attribute keys.
Notes:
Indicates optional properties in the IOSurface framework (type Dictionary). An empty dictionary indicates default values.
Presence of this key requests allocation via the IOSurface framework.

CVPixelBufferMBS.kCVPixelBufferMemoryAllocatorKey as string

Type	Topic	Plugin	Version	macOS	Windows	Linux	iOS	Targets
shared method	AVFoundation	MBS AVFoundation Plugin	13.2	✅ Yes	❌ No	❌ No	✅ Yes	All

Function: One of the attribute keys.
Notes: The allocator used with this buffer (type CFAllocatorRef).

CVPixelBufferMBS.kCVPixelBufferOpenGLCompatibilityKey as string

Type	Topic	Plugin	Version	macOS	Windows	Linux	iOS	Targets
shared method	AVFoundation	MBS AVFoundation Plugin	13.2	✅ Yes	❌ No	❌ No	✅ Yes	All

Function: One of the attribute keys.
Notes: Indicates whether the pixel buffer is compatible with Core Graphics bitmap contexts (type Boolean).

CVPixelBufferMBS.kCVPixelBufferPixelFormatTypeKey as string

Type	Topic	Plugin	Version	macOS	Windows	Linux	iOS	Targets
shared method	AVFoundation	MBS AVFoundation Plugin	13.2	✅ Yes	❌ No	❌ No	✅ Yes	All

Function: One of the attribute keys.
Notes: The pixel format for this buffer (type Number, or type Array containing an array of Number types (actually type OSType)). For a listing of common pixel formats, see the QuickTime Ice Floe Dispatch 20.

Some examples using this method:

CVPixelBufferMBS.kCVPixelBufferPlaneAlignmentKey as string

Type	Topic	Plugin	Version	macOS	Windows	Linux	iOS	Targets
shared method	AVFoundation	MBS AVFoundation Plugin	13.2	✅ Yes	❌ No	❌ No	✅ Yes	All

Function: One of the attribute keys.
Notes: Specifies the alignment of the planes within the buffer. Planes will start on a byte number which is a multiple of this value. (type Number).

CVPixelBufferMBS.kCVPixelBufferWidthKey as string

Type	Topic	Plugin	Version	macOS	Windows	Linux	iOS	Targets
shared method	AVFoundation	MBS AVFoundation Plugin	13.2	✅ Yes	❌ No	❌ No	✅ Yes	All

Function: One of the attribute keys.
Notes: The width of the pixel buffer (type Number).

Some examples using this method:

CVPixelBufferMBS.PixelBufferWithCGImage(CGImage as Variant) as CVPixelBufferMBS

Type	Topic	Plugin	Version	macOS	Windows	Linux	iOS	Targets
shared method	AVFoundation	MBS AVFoundation Plugin	13.2	✅ Yes	❌ No	❌ No	✅ Yes	All

Function: Creates a pixel buffer for a CGImage by making a copy of the picture.
Notes:
Image parameter must be a CGImageMBS object.
For Carbon and Cocoa.
Returns nil on any error.

CVPixelBufferMBS.PixelBufferWithHandle(Handle as Integer) as CVPixelBufferMBS

Type	Topic	Plugin	Version	macOS	Windows	Linux	iOS	Targets
shared method	AVFoundation	MBS AVFoundation Plugin	19.4	✅ Yes	❌ No	❌ No	✅ Yes	All

Function: Creates pixel buffer object with handle.
Notes: Handle must be a CVPixelBufferRef, which we retain.

CVPixelBufferMBS.PixelBufferWithPicture(pic as picture) as CVPixelBufferMBS

Type	Topic	Plugin	Version	macOS	Windows	Linux	iOS	Targets
shared method	AVFoundation	MBS AVFoundation Plugin	13.2	✅ Yes	❌ No	❌ No	✅ Yes	All

Function: Creates a pixel buffer for a picture by making a copy of the picture.
Example:

dim p as new Picture(300, 200)
dim b as CVPixelBufferMBS = CVPixelBufferMBS.PixelBufferWithPicture(p)
MsgBox str(b.Width)+" x "+str(b.Height)

Notes:
For Carbon and Cocoa.
Returns nil on any error.

The items on this page are in the following plugins: MBS AVFoundation Plugin.

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