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  "title" : "YCbCrMatrix Extension Constants"
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# YCbCrMatrix Extension Constants

Constants that identify YCbCrMatrix extensions.

## Topics

### Constants

[`let kCMFormatDescriptionYCbCrMatrix_ITU_R_2020: CFString`](/documentation/CoreMedia/kCMFormatDescriptionYCbCrMatrix_ITU_R_2020)

A constant describing the YCbCrMatrix ITU R 2020 format.

[`let kCMFormatDescriptionYCbCrMatrix_ITU_R_601_4: CFString`](/documentation/CoreMedia/kCMFormatDescriptionYCbCrMatrix_ITU_R_601_4-swift.var)

A constant describing the YCbCrMatrix ITU R 601 4 format.

[`let kCMFormatDescriptionYCbCrMatrix_ITU_R_709_2: CFString`](/documentation/CoreMedia/kCMFormatDescriptionYCbCrMatrix_ITU_R_709_2-swift.var)

A constant describing the YCbCrMatrix ITU R 709 2 format.

[`let kCMFormatDescriptionYCbCrMatrix_SMPTE_240M_1995: CFString`](/documentation/CoreMedia/kCMFormatDescriptionYCbCrMatrix_SMPTE_240M_1995-swift.var)

A constant describing the YCbCrMatrix SMPTE 240M 1995 format.


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