CVPixelBuffer

Overview

A Core Video pixel buffer is an image buffer that holds pixels in main memory. Applications generating frames, compressing or decompressing video, or using Core Image can all make use of Core Video pixel buffers.

Topics

Creating pixel buffers

• CVPixelBufferCreate(_:_:_:_:_:_:)
• CVPixelBufferCreateWithBytes(_:_:_:_:_:_:_:_:_:_:)
• CVPixelBufferCreateWithPlanarBytes(_:_:_:_:_:_:_:_:_:_:_:_:_:_:_:)
• CVPixelBufferCreateWithIOSurface(_:_:_:_:)

Inspecting Pixel Buffers

• CVPixelBufferGetBaseAddress(_:)
• CVPixelBufferGetBaseAddressOfPlane(_:_:)
• CVPixelBufferGetBytesPerRow(_:)
• CVPixelBufferGetBytesPerRowOfPlane(_:_:)
• CVPixelBufferGetHeight(_:)
• CVPixelBufferGetHeightOfPlane(_:_:)
• CVPixelBufferGetWidth(_:)
• CVPixelBufferGetWidthOfPlane(_:_:)
• CVPixelBufferIsPlanar(_:)
• CVPixelBufferGetPlaneCount(_:)
• CVPixelBufferGetDataSize(_:)
• CVPixelBufferGetPixelFormatType(_:)
• CVPixelBufferGetExtendedPixels(_:_:_:_:_:)
• CVPixelBufferGetIOSurface(_:)
• CVPixelBufferCreateResolvedAttributesDictionary(_:_:_:)
• CVPixelBufferGetTypeID()

Modifying Pixel Buffers

• CVPixelBufferFillExtendedPixels(_:)
• CVPixelBufferLockBaseAddress(_:_:)
• CVPixelBufferUnlockBaseAddress(_:_:)

Data Types

• CVPixelBuffer
• CVPixelBufferLockFlags
• CVPlanarComponentInfo
• CVPlanarPixelBufferInfo
• CVPlanarPixelBufferInfo_YCbCrPlanar
• CVPlanarPixelBufferInfo_YCbCrBiPlanar

Callbacks

• CVPixelBufferReleaseBytesCallback
• CVPixelBufferReleasePlanarBytesCallback

Constants

• Pixel Buffer Attribute Keys

See Also

Related Documentation

• Core Video Programming Guide

Data Processing

• CVBuffer
• CVImageBuffer
• CVPixelBufferPool
• CVPixelFormatDescription