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CVImageBufferMBS class

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

• 7 properties
  • property CIImage as Variant
  • property Context as CGContextMBS
  • property Handle as Integer
  • property IsFlipped as Boolean
  • property Lasterror as Integer
  • property NSImage as Variant
  • property Picture as Picture
• 2 methods
  • method Constructor   Private
  • method JPEG(CompressionFactor as Double = 0.8) as Memoryblock

Sub classes:

• class CVPixelBufferMBS

Some properties using for this class:

• CMSampleBufferMBS.ImageBuffer as CVImageBufferMBS

Some examples using this class:

• /AVFoundation/Extract video frames
• /AVFoundation/Live Barcode Detection with Vision/Live Barcode Detection with Vision
• /AVFoundation/Live picture processing

Blog Entries

• MBS Xojo Plugins, version 24.4pr3
• MBS Xojo Plugins, version 21.5pr3
• MBS Xojo Plugins, version 21.2pr1
• MBS Xojo Plugins, version 18.4pr3
• AVCaptureVideoDataOutput improvements
• MBS Xojo / Real Studio Plugins, version 15.2pr8

Release notes

• Version 24.4
  • Changed CIImage and NSImage in CVImageBufferMBS class to be properties.
  • Changed AVCaptureVideoDataOutputMBS class to provide JPEGData and NSImageMBS to CVImageBufferMBS class for iOS, too.
• Version 21.5
  • Fixed problem in VNTargetedImageRequestMBS with passing CVImageBufferMBS as CVPixelBufferMBS.
• Version 21.2
  • Changed functions returning CVImageBufferMBS to return CVPixelBufferMBS if the image buffer contains pixels.
• Version 18.4
  • Changed CMSampleBufferMBS to cache CVImageBufferMBS.
  • Changed CVImageBufferMBS to cache NSImageMBS and CGImageMBS objects and jpeg data Memoryblock.
  • Fixed memory leak in CVImageBufferMBS.NSImage function.

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

CustomPDFViewMBS   -   CVPixelBufferMBS