AVFoundationMBS.AVVideoCodecAppleProRes4444 as string

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

One of the constants for the dictionary with video settings.

Specifies that the video was encoded using the Apple ProRes 4444 encoder.
Files are identified with the .ap4h extension.

Some examples using this method:

• /AVFoundation/Make Video From Images with transparency

AVFoundationMBS.AVVideoCodecH264 as string

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

One of the constants for the dictionary with video settings.

Specifies that the video was encoded using H264.

Some examples using this method:

• /AVFoundation/Make Video From Images
• /AVFoundation/SDAVAssetExportSessionMBS test

AVFoundationMBS.AVVideoCodecJPEG as string

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

One of the constants for the dictionary with video settings.

Specifies that the video was encoded using the JPEG encoder.

Some examples using this method:

• /AVFoundation/Live Barcode Detection
• /AVFoundation/Live Barcode Detection iOS/Live Barcode Detection iOS
• /AVFoundation/Live Barcode Detection with Vision/Live Barcode Detection with Vision
• /AVFoundation/Live picture processing
• /AVFoundation/Still Photos

AVFoundationMBS.AVVideoCodecKey as string

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

One of the constants for the dictionary with video settings.

Specifies a key to access the name of the codec used to encode the video.
The corresponding value is a string; equivalent to CMVideoCodecType.

Some examples using this method:

• /AVFoundation/Live Barcode Detection
• /AVFoundation/Live Barcode Detection iOS/Live Barcode Detection iOS
• /AVFoundation/Live Barcode Detection with Vision/Live Barcode Detection with Vision
• /AVFoundation/Live picture processing
• /AVFoundation/Make Video From Images
• /AVFoundation/Make Video From Images with transparency
• /AVFoundation/SDAVAssetExportSessionMBS test
• /AVFoundation/Still Photos

AVFoundationMBS.AVVideoCodecTypeAppleProRes422 as string

Type	Topic	Plugin	Version	macOS	Windows	Linux	iOS	Targets
shared method	AVFoundation	MBS AVFoundation Plugin	19.0	✅ Yes	❌ No	❌ No	✅ Yes	All

One of the values used to describe codecs for video capture.

The Apple ProRes422 video codec.

AVFoundationMBS.AVVideoCodecTypeAppleProRes4444 as string

Type	Topic	Plugin	Version	macOS	Windows	Linux	iOS	Targets
shared method	AVFoundation	MBS AVFoundation Plugin	19.0	✅ Yes	❌ No	❌ No	✅ Yes	All

One of the values used to describe codecs for video capture.

The Apple ProRes4444 video codec.

AVFoundationMBS.AVVideoCodecTypeH264 as string

Type	Topic	Plugin	Version	macOS	Windows	Linux	iOS	Targets
shared method	AVFoundation	MBS AVFoundation Plugin	19.0	✅ Yes	❌ No	❌ No	✅ Yes	All

One of the values used to describe codecs for video capture.

The H.264 video codec.

AVFoundationMBS.AVVideoCodecTypeHEVC as string

Type	Topic	Plugin	Version	macOS	Windows	Linux	iOS	Targets
shared method	AVFoundation	MBS AVFoundation Plugin	19.0	✅ Yes	❌ No	❌ No	✅ Yes	All

One of the values used to describe codecs for video capture.

The HEVC video codec.

AVFoundationMBS.AVVideoCodecTypeJPEG as string

Type	Topic	Plugin	Version	macOS	Windows	Linux	iOS	Targets
shared method	AVFoundation	MBS AVFoundation Plugin	19.0	✅ Yes	❌ No	❌ No	✅ Yes	All

One of the values used to describe codecs for video capture.

The JPEG video codec.

AVFoundationMBS.AVVideoCodecTypeJPEGXL as string

Type	Topic	Plugin	Version	macOS	Windows	Linux	iOS	Targets
shared method	AVFoundation	MBS AVFoundation Plugin	24.5	✅ Yes	❌ No	❌ No	✅ Yes	All

One of the values used to describe codecs for video capture.

The JPEG XL video codec. Available on macOS 15.0 or newer.

AVFoundationMBS.AVVideoColorPrimariesKey as string

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

The key to identify color primaries in a color properties dictionary.

AVFoundationMBS.AVVideoColorPrimaries_EBU_3213 as string

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

One of the values to use with AVVideoColorPrimariesKey.

AVFoundationMBS.AVVideoColorPrimaries_ITU_R_709_2 as string

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

One of the values to use with AVVideoColorPrimariesKey.

AVFoundationMBS.AVVideoColorPrimaries_SMPTE_C as string

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

One of the values to use with AVVideoColorPrimariesKey.

AVFoundationMBS.AVVideoColorPropertiesKey as string

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

The key for a dictionary that contains properties specifying video color.

The dictionary must contain the keys AVVideoColorPrimariesKey, AVVideoTransferFunctionKey, and AVVideoYCbCrMatrixKey.

AVFoundationMBS.AVVideoCompressionPropertiesKey as string

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

One of the constants for the dictionary with video settings.

Specifies a key to access the compression properties.
The corresponding value is a Dictionary.

Some examples using this method:

• /AVFoundation/SDAVAssetExportSessionMBS test

AVFoundationMBS.AVVideoHeightKey as string

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

One of the constants for the dictionary with video settings.

Specifies a key to access the height of the video in pixels.
The corresponding value is a number.

Some examples using this method:

• /AVFoundation/Make Video From Images
• /AVFoundation/Make Video From Images with transparency
• /AVFoundation/SDAVAssetExportSessionMBS test

AVFoundationMBS.AVVideoMaxKeyFrameIntervalDurationKey as string

Type	Topic	Plugin	Version	macOS	Windows	Linux	iOS	Targets
shared method	AVFoundation	MBS AVFoundation Plugin	14.0	✅ Yes	❌ No	❌ No	✅ Yes	All

One of the constants for the dictionary with video settings.

Number (1 means key frames only, H.264 only)

AVFoundationMBS.AVVideoMaxKeyFrameIntervalKey as string

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

One of the constants for the dictionary with video settings.

Specifies a key to access the maximum interval between key frames.
The corresponding value is a number. 1 means key frames only.

AVFoundationMBS.AVVideoPixelAspectRatioHorizontalSpacingKey as string

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

One of the constants for the dictionary with video settings.

Specifies a key to access the pixel aspect ratio horizontal spacing.
The corresponding value is a number.

AVFoundationMBS.AVVideoPixelAspectRatioKey as string

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

One of the constants for the dictionary with video settings.

Specifies a key to access the pixel aspect ratio.
The corresponding value is a dictionary.

AVFoundationMBS.AVVideoPixelAspectRatioVerticalSpacingKey as string

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

One of the constants for the dictionary with video settings.

Specifies a key to access the pixel aspect ratio vertical spacing.
The corresponding value is a number.

AVFoundationMBS.AVVideoProfileLevelH264Baseline30 as string

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

One of the constants for the dictionary with video settings.

Specifies a baseline level 3.0 profile.
Available in OS X v10.8 and later.

AVFoundationMBS.AVVideoProfileLevelH264Baseline31 as string

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

One of the constants for the dictionary with video settings.

Specifies a baseline level 3.1 profile.
Available in OS X v10.8 and later.

AVFoundationMBS.AVVideoProfileLevelH264Baseline41 as string

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

One of the constants for the dictionary with video settings.

Specifies a baseline level 4.1 profile.
Available in OS X v10.8 and later.

AVFoundationMBS.AVVideoProfileLevelH264BaselineAutoLevel as string

Type	Topic	Plugin	Version	macOS	Windows	Linux	iOS	Targets
shared method	AVFoundation	MBS AVFoundation Plugin	14.0	✅ Yes	❌ No	❌ No	✅ Yes	All

One of the constants for the dictionary with video settings.

Baseline Profile Auto Level.
Available on Mac OS X 10.9.

AVFoundationMBS.AVVideoProfileLevelH264High40 as string

Type	Topic	Plugin	Version	macOS	Windows	Linux	iOS	Targets
shared method	AVFoundation	MBS AVFoundation Plugin	14.0	✅ Yes	❌ No	❌ No	✅ Yes	All

One of the constants for the dictionary with video settings.

High Profile Level 4.0
Available on Mac OS X 10.9.

Some examples using this method:

• /AVFoundation/SDAVAssetExportSessionMBS test

AVFoundationMBS.AVVideoProfileLevelH264High41 as string

Type	Topic	Plugin	Version	macOS	Windows	Linux	iOS	Targets
shared method	AVFoundation	MBS AVFoundation Plugin	14.0	✅ Yes	❌ No	❌ No	✅ Yes	All

One of the constants for the dictionary with video settings.

High Profile Level 4.1
Available on Mac OS X 10.9.

AVFoundationMBS.AVVideoProfileLevelH264HighAutoLevel as string

Type	Topic	Plugin	Version	macOS	Windows	Linux	iOS	Targets
shared method	AVFoundation	MBS AVFoundation Plugin	14.0	✅ Yes	❌ No	❌ No	✅ Yes	All

One of the constants for the dictionary with video settings.

High Profile Auto Level
Available on Mac OS X 10.9.

AVFoundationMBS.AVVideoProfileLevelH264Main30 as string

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

One of the constants for the dictionary with video settings.

Specifies a main level 3.0 profile.
Available in OS X v10.8 and later.

AVFoundationMBS.AVVideoProfileLevelH264Main31 as string

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

One of the constants for the dictionary with video settings.

Specifies a main level 3.1 profile.
Available in OS X v10.8 and later.

AVFoundationMBS.AVVideoProfileLevelH264Main32 as string

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

One of the constants for the dictionary with video settings.

Specifies a main level 3.2 profile.
Available in OS X v10.8 and later.

AVFoundationMBS.AVVideoProfileLevelH264Main41 as string

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

One of the constants for the dictionary with video settings.

Specifies a main level 4.2 profile.
Available in OS X v10.8 and later.

AVFoundationMBS.AVVideoProfileLevelH264MainAutoLevel as string

Type	Topic	Plugin	Version	macOS	Windows	Linux	iOS	Targets
shared method	AVFoundation	MBS AVFoundation Plugin	14.0	✅ Yes	❌ No	❌ No	✅ Yes	All

One of the constants for the dictionary with video settings.

Main Profile Auto Level
Available on Mac OS X 10.9.

AVFoundationMBS.AVVideoProfileLevelKey as string

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

One of the constants for the dictionary with video settings.

Specifies a key to access the video profile.
Available in OS X v10.8 and later.

Some examples using this method:

• /AVFoundation/SDAVAssetExportSessionMBS test

AVFoundationMBS.AVVideoQualityKey as string

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

One of the constants for the dictionary with video settings.

Specifies a key to access the JPEG coded quality.
The corresponding value is a number 0.0-1.0.

JPEG and HEIC only. With HEIC, 1.0 indicates lossless compression

AVFoundationMBS.AVVideoScalingModeFit as string

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

One of the constants to specify how video should be scaled to fit a given area.

Crop to remove edge processing region; preserve aspect ratio of cropped source by reducing specified width or height if necessary.
This mode does not scale a small source up to larger dimensions.

AVFoundationMBS.AVVideoScalingModeKey as string

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

One of the constants to specify how video should be scaled to fit a given area.

A key to retrieve the video scaling mode from a dictionary.

AVFoundationMBS.AVVideoScalingModeResize as string

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

One of the constants to specify how video should be scaled to fit a given area.

Crop to remove edge processing region; scale remainder to destination area.
This mode does not preserve the aspect ratio.

AVFoundationMBS.AVVideoScalingModeResizeAspect as string

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

One of the constants to specify how video should be scaled to fit a given area.

Preserve aspect ratio of the source, and fill remaining areas with black to fit destination dimensions.

AVFoundationMBS.AVVideoScalingModeResizeAspectFill as string

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

One of the constants to specify how video should be scaled to fit a given area.

Preserve aspect ratio of the source, and crop picture to fit destination dimensions.

AVFoundationMBS.AVVideoTransferFunctionKey as string

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

The key to identify the transfer function in a color properties dictionary.

AVFoundationMBS.AVVideoTransferFunction_ITU_R_709_2 as string

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

One of the values to use with AVVideoTransferFunctionKey.

AVFoundationMBS.AVVideoTransferFunction_SMPTE_240M_1995 as string

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

One of the values to use with AVVideoTransferFunctionKey.

AVFoundationMBS.AVVideoWidthKey as string

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

One of the constants for the dictionary with video settings.

Specifies a key to access the width of the video in pixels.
The corresponding value is a number.

Some examples using this method:

• /AVFoundation/Make Video From Images
• /AVFoundation/Make Video From Images with transparency
• /AVFoundation/SDAVAssetExportSessionMBS test

AVFoundationMBS.AVVideoYCbCrMatrixKey as string

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

The key to identify the Y'CbCr matrix in a color properties dictionary.

AVFoundationMBS.AVVideoYCbCrMatrix_ITU_R_601_4 as string

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

One of the values to use with AVVideoYCbCrMatrixKey.

AVFoundationMBS.AVVideoYCbCrMatrix_ITU_R_709_2 as string

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

One of the values to use with AVVideoYCbCrMatrixKey.

AVFoundationMBS.AVVideoYCbCrMatrix_SMPTE_240M_1995 as string

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

One of the values to use with AVVideoYCbCrMatrixKey.