---
title: Video settings
framework: avfoundation
role: collectionGroup
role_heading: API Collection
path: avfoundation/video-settings
---

# Video settings

Configure video processing settings using standard key and value constants.

## Topics

### Clean aperture

- [AVVideoCleanApertureKey](avfoundation/avvideocleanaperturekey.md)
- [AVVideoCleanApertureWidthKey](avfoundation/avvideocleanaperturewidthkey.md)
- [AVVideoCleanApertureHeightKey](avfoundation/avvideocleanapertureheightkey.md)
- [AVVideoCleanApertureVerticalOffsetKey](avfoundation/avvideocleanapertureverticaloffsetkey.md)
- [AVVideoCleanApertureHorizontalOffsetKey](avfoundation/avvideocleanaperturehorizontaloffsetkey.md)

### Video codecs

- [AVVideoCodecKey](avfoundation/avvideocodeckey.md)
- [AVVideoCodecType](avfoundation/avvideocodectype.md)

### Color properties

- [Setting color properties for a specific resolution](avfoundation/setting-color-properties-for-a-specific-resolution.md)
- [AVVideoAllowWideColorKey](avfoundation/avvideoallowwidecolorkey.md)
- [AVVideoColorPrimariesKey](avfoundation/avvideocolorprimarieskey.md)
- [AVVideoColorPrimaries_EBU_3213](avfoundation/avvideocolorprimaries_ebu_3213.md)
- [AVVideoColorPrimaries_ITU_R_2020](avfoundation/avvideocolorprimaries_itu_r_2020.md)
- [AVVideoColorPrimaries_ITU_R_709_2](avfoundation/avvideocolorprimaries_itu_r_709_2.md)
- [AVVideoColorPrimaries_P3_D65](avfoundation/avvideocolorprimaries_p3_d65.md)
- [AVVideoColorPrimaries_SMPTE_C](avfoundation/avvideocolorprimaries_smpte_c.md)
- [AVVideoColorPropertiesKey](avfoundation/avvideocolorpropertieskey.md)
- [AVVideoTransferFunctionKey](avfoundation/avvideotransferfunctionkey.md)
- [AVVideoTransferFunction_IEC_sRGB](avfoundation/avvideotransferfunction_iec_srgb.md)
- [AVVideoTransferFunction_ITU_R_2100_HLG](avfoundation/avvideotransferfunction_itu_r_2100_hlg.md)
- [AVVideoTransferFunction_ITU_R_709_2](avfoundation/avvideotransferfunction_itu_r_709_2.md)
- [AVVideoTransferFunction_Linear](avfoundation/avvideotransferfunction_linear.md)
- [AVVideoTransferFunction_SMPTE_240M_1995](avfoundation/avvideotransferfunction_smpte_240m_1995.md)
- [AVVideoTransferFunction_SMPTE_ST_2084_PQ](avfoundation/avvideotransferfunction_smpte_st_2084_pq.md)
- [AVVideoYCbCrMatrixKey](avfoundation/avvideoycbcrmatrixkey.md)
- [AVVideoYCbCrMatrix_ITU_R_2020](avfoundation/avvideoycbcrmatrix_itu_r_2020.md)
- [AVVideoYCbCrMatrix_ITU_R_601_4](avfoundation/avvideoycbcrmatrix_itu_r_601_4.md)
- [AVVideoYCbCrMatrix_ITU_R_709_2](avfoundation/avvideoycbcrmatrix_itu_r_709_2.md)
- [AVVideoYCbCrMatrix_SMPTE_240M_1995](avfoundation/avvideoycbcrmatrix_smpte_240m_1995.md)

### Compression

- [AVVideoCompressionPropertiesKey](avfoundation/avvideocompressionpropertieskey.md)
- [AVVideoDecompressionPropertiesKey](avfoundation/avvideodecompressionpropertieskey.md)
- [AVVideoAverageBitRateKey](avfoundation/avvideoaveragebitratekey.md)
- [AVVideoQualityKey](avfoundation/avvideoqualitykey.md)
- [AVVideoMaxKeyFrameIntervalKey](avfoundation/avvideomaxkeyframeintervalkey.md)
- [AVVideoMaxKeyFrameIntervalDurationKey](avfoundation/avvideomaxkeyframeintervaldurationkey.md)
- [AVVideoAllowFrameReorderingKey](avfoundation/avvideoallowframereorderingkey.md)
- [AVVideoAppleProRAWBitDepthKey](avfoundation/avvideoappleprorawbitdepthkey.md)

### Entropy mode

- [AVVideoH264EntropyModeKey](avfoundation/avvideoh264entropymodekey.md)
- [AVVideoH264EntropyModeCABAC](avfoundation/avvideoh264entropymodecabac.md)
- [AVVideoH264EntropyModeCAVLC](avfoundation/avvideoh264entropymodecavlc.md)

### FairPlay

- [AVStreamingKeyDeliveryContentKeyType](avfoundation/avstreamingkeydeliverycontentkeytype.md)
- [AVStreamingKeyDeliveryPersistentContentKeyType](avfoundation/avstreamingkeydeliverypersistentcontentkeytype.md)

### Frame rate

- [AVVideoExpectedSourceFrameRateKey](avfoundation/avvideoexpectedsourceframeratekey.md)
- [AVVideoAverageNonDroppableFrameRateKey](avfoundation/avvideoaveragenondroppableframeratekey.md)

### Geometry

- [AVVideoWidthKey](avfoundation/avvideowidthkey.md)
- [AVVideoHeightKey](avfoundation/avvideoheightkey.md)
- [AVVideoPixelAspectRatioKey](avfoundation/avvideopixelaspectratiokey.md)
- [AVVideoPixelAspectRatioVerticalSpacingKey](avfoundation/avvideopixelaspectratioverticalspacingkey.md)
- [AVVideoPixelAspectRatioHorizontalSpacingKey](avfoundation/avvideopixelaspectratiohorizontalspacingkey.md)

### Profile level

- [AVVideoProfileLevelKey](avfoundation/avvideoprofilelevelkey.md)
- [AVVideoProfileLevelH264High40](avfoundation/avvideoprofilelevelh264high40.md)
- [AVVideoProfileLevelH264High41](avfoundation/avvideoprofilelevelh264high41.md)
- [AVVideoProfileLevelH264Main30](avfoundation/avvideoprofilelevelh264main30.md)
- [AVVideoProfileLevelH264Main31](avfoundation/avvideoprofilelevelh264main31.md)
- [AVVideoProfileLevelH264Main32](avfoundation/avvideoprofilelevelh264main32.md)
- [AVVideoProfileLevelH264Main41](avfoundation/avvideoprofilelevelh264main41.md)
- [AVVideoProfileLevelH264Baseline30](avfoundation/avvideoprofilelevelh264baseline30.md)
- [AVVideoProfileLevelH264Baseline31](avfoundation/avvideoprofilelevelh264baseline31.md)
- [AVVideoProfileLevelH264Baseline41](avfoundation/avvideoprofilelevelh264baseline41.md)
- [AVVideoProfileLevelH264HighAutoLevel](avfoundation/avvideoprofilelevelh264highautolevel.md)
- [AVVideoProfileLevelH264MainAutoLevel](avfoundation/avvideoprofilelevelh264mainautolevel.md)
- [AVVideoProfileLevelH264BaselineAutoLevel](avfoundation/avvideoprofilelevelh264baselineautolevel.md)

### Scaling mode

- [AVVideoScalingModeFit](avfoundation/avvideoscalingmodefit.md)
- [AVVideoScalingModeKey](avfoundation/avvideoscalingmodekey.md)
- [AVVideoScalingModeResize](avfoundation/avvideoscalingmoderesize.md)
- [AVVideoScalingModeResizeAspect](avfoundation/avvideoscalingmoderesizeaspect.md)
- [AVVideoScalingModeResizeAspectFill](avfoundation/avvideoscalingmoderesizeaspectfill.md)

### VideoToolbox options

- [AVVideoEncoderSpecificationKey](avfoundation/avvideoencoderspecificationkey.md)

## See Also

### Common

- [Media assets](avfoundation/media-assets.md)
- [Media reading and writing](avfoundation/media-reading-and-writing.md)
- [Media types and utilities](avfoundation/media-types-and-utilities.md)
- [Audio settings](avfoundation/audio-settings.md)