VPP Structures

Structures used by VPP only.

API

mfxExtColorConversion

struct mfxExtColorConversion

A hint structure that tunes the VPP Color Conversion algorithm when attached to the mfxVideoParam structure during VPP Init.

Public Members

mfxExtBuffer Header

Extension buffer header. Header.BufferId must be equal to MFX_EXTBUFF_VPP_COLOR_CONVERSION.

mfxU16 ChromaSiting

See ChromaSiting enumerator for details.

ChromaSiting is applied on input or output surface depending on the scenario:

VPP Input	VPP Output	ChromaSiting Indicates
MFX_CHROMAFORMAT_YUV420 MFX_CHROMAFORMAT_YUV422	MFX_CHROMAFORMAT_YUV444	Chroma location for input
MFX_CHROMAFORMAT_YUV444	MFX_CHROMAFORMAT_YUV420 MFX_CHROMAFORMAT_YUV422	Chroma location for output
MFX_CHROMAFORMAT_YUV420	MFX_CHROMAFORMAT_YUV420	Chroma location for input and output
MFX_CHROMAFORMAT_YUV420	MFX_CHROMAFORMAT_YUV422	Horizontal location for input and output, vertical location for input

mfxExtDecVideoProcessing

struct mfxExtDecVideoProcessing

If attached to the mfxVideoParam structure during the Init stage, this buffer will instruct the decoder to resize output frames via the fixed function resize engine (if supported by hardware), utilizing direct pipe connection and bypassing intermediate memory operations. The main benefits of this mode of pipeline operation are offloading resize operation to a dedicated engine, thus reducing power consumption and memory traffic.

Public Members

mfxExtBuffer Header

Extension buffer header. Header.BufferId must be equal to MFX_EXTBUFF_DEC_VIDEO_PROCESSING.

struct mfxExtDecVideoProcessing::mfxIn In

Input surface description.

struct mfxExtDecVideoProcessing::mfxOut Out

Output surface description.

struct mfxIn

Input surface description.

Public Members

mfxU16 CropX

X coordinate of region of interest of the input surface.

mfxU16 CropY

Y coordinate of region of interest of the input surface.

mfxU16 CropW

Width coordinate of region of interest of the input surface.

mfxU16 CropH

Height coordinate of region of interest of the input surface.

struct mfxOut

Output surface description.

Public Members

mfxU32 FourCC

FourCC of output surface Note: Should be MFX_FOURCC_NV12.

mfxU16 ChromaFormat

Chroma Format of output surface.

Note

Should be MFX_CHROMAFORMAT_YUV420

mfxU16 Width

Width of output surface.

mfxU16 Height

Height of output surface.

mfxU16 CropX

X coordinate of region of interest of the output surface.

mfxU16 CropY

Y coordinate of region of interest of the output surface.

mfxU16 CropW

Width coordinate of region of interest of the output surface.

mfxU16 CropH

Height coordinate of region of interest of the output surface.

mfxExtEncodedSlicesInfo

struct mfxExtEncodedSlicesInfo

Used by the encoder to report additional information about encoded slices. The application can attach this buffer to the mfxBitstream structure before calling the MFXVideoENCODE_EncodeFrameAsync function.

Note

Not all implementations of the encoder support this extended buffer. The application must use query mode 1 to determine if the functionality is supported. To do this, the application must attach this extended buffer to the mfxVideoParam structure and call the MFXVideoENCODE_Query function. If the function returns MFX_ERR_NONE, then the functionality is supported.

Public Members

mfxExtBuffer Header

Extension buffer header. Header.BufferId must be equal to MFX_EXTBUFF_ENCODED_SLICES_INFO.

mfxU16 SliceSizeOverflow

When mfxExtCodingOption2::MaxSliceSize is used, indicates the requested slice size was not met for one or more generated slices.

mfxU16 NumSliceNonCopliant

When mfxExtCodingOption2::MaxSliceSize is used, indicates the number of generated slices exceeds specification limits.

mfxU16 NumEncodedSlice

Number of encoded slices.

mfxU16 NumSliceSizeAlloc

SliceSize array allocation size. Must be specified by application.

mfxU16 *SliceSize

Slice size in bytes. Array must be allocated by application.

mfxExtVppAuxData

struct mfxExtVppAuxData

Returns auxiliary data generated by the video processing pipeline. The encoding process may use the auxiliary data by attaching this structure to the mfxEncodeCtrl structure.

Public Members

mfxExtBuffer Header

Extension buffer header. Header.BufferId must be equal to MFX_EXTBUFF_VPP_AUXDATA.

mfxU16 PicStruct

Detected picture structure - top field first, bottom field first, progressive or unknown if video processor cannot detect picture structure. See the PicStruct enumerator for definition of these values.

mfxU16 RepeatedFrame

The flag signalizes that the frame is identical to the previous one.

mfxExtVPPColorFill

struct mfxExtVPPColorFill

Configures the VPP ColorFill filter algorithm.

Public Members

mfxExtBuffer Header

Extension buffer header. Header.BufferId must be equal to MFX_EXTBUFF_VPP_COLORFILL.

mfxU16 Enable

Set to ON makes VPP fill the area between Width/Height and Crop borders. See the CodingOptionValue enumerator for values of this option.

mfxExtVPPComposite

struct mfxExtVPPComposite

Used to control composition of several input surfaces in one output. In this mode, the VPP skips any other filters. The VPP returns an error if any mandatory filter is specified and returns the filter skipped warning if an optional filter is specified. The only supported filters are deinterlacing and interlaced scaling. The only supported combinations of input and output color formats are:

• RGB to RGB,

• NV12 to NV12,

• RGB and NV12 to NV12, for per the pixel alpha blending use case.

The VPP returns MFX_ERR_MORE_DATA for additional input until an output is ready. When the output is ready, the VPP returns MFX_ERR_NONE. The application must process the output frame after synchronization.

The composition process is controlled by:

• mfxFrameInfo::CropXYWH in the input surface defines the location of the picture in the input frame.

• InputStream[i].DstXYWH defines the location of the cropped input picture in the output frame.

• mfxFrameInfo::CropXYWH in the output surface defines the actual part of the output frame. All pixels in the output frame outside this region will be filled by the specified color.

If the application uses the composition process on video streams with different frame sizes, the application should provide maximum frame size in the mfxVideoParam structure during the initialization, reset, or query operations.

If the application uses the composition process, the MFXVideoVPP_QueryIOSurf function returns the cumulative number of input surfaces, that is, the number required to process all input video streams. The function sets the frame size in the mfxFrameAllocRequest equal to the size provided by the application in the mfxVideoParam structure.

The composition process supports all types of surfaces.

All input surfaces should have the same type and color format, except for the per pixel alpha blending case, where it is allowable to mix NV12 and RGB surfaces.

There are three different blending use cases:

• Luma keying. All input surfaces should have the NV12 color format specified during VPP initialization. Part of each surface, including the first one, may be rendered transparent by using LumaKeyEnable, LumaKeyMin, and LumaKeyMax values.

• Global alpha blending. All input surfaces should have the same color format, NV12 or RGB, specified during VPP initialization. Each input surface, including the first one, can be blended with underlying surfaces by using GlobalAlphaEnable and GlobalAlpha values.

• Per-pixel alpha blending. It is allowed to mix NV12 and RGB input surfaces. Each RGB input surface, including the first one, can be blended with underlying surfaces by using PixelAlphaEnable value.

It is not allowed to mix different blending use cases in the same function call.

In the special case where the destination region of the output surface defined by output crops is fully covered with destination sub-regions of the surfaces, the fast compositing mode can be enabled. The main use case for this mode is a video-wall scenario with a fixed destination surface partition into sub-regions of potentially different size.

In order to trigger this mode, the application must cluster input surfaces into tiles, defining at least one tile by setting the NumTiles field to be greater than 0, and assigning surfaces to the corresponding tiles by setting the TileId field to the value within the 0 to NumTiles range per input surface. Tiles should also satisfy the following additional constraints:

• Each tile should not have more than 8 surfaces assigned to it.

• Tile bounding boxes, as defined by the enclosing rectangles of a union of a surfaces assigned to this tile, should not intersect.

Background color may be changed dynamically through Reset. There is no default value. YUV black is (0;128;128) or (16;128;128) depending on the sample range. The library uses a YUV or RGB triple depending on output color format.

Public Members

mfxExtBuffer Header

Extension buffer header. Header.BufferId must be equal to MFX_EXTBUFF_VPP_COMPOSITE.

mfxU16 Y

Y value of the background color.

mfxU16 R

R value of the background color.

mfxU16 U

U value of the background color.

mfxU16 G

G value of the background color.

mfxU16 V

V value of the background color.

mfxU16 B

B value of the background color.

mfxU16 NumTiles

Number of input surface clusters grouped together to enable fast compositing. May be changed dynamically at runtime through Reset.

mfxU16 NumInputStream

Number of input surfaces to compose one output. May be changed dynamically at runtime through Reset. Number of surfaces can be decreased or increased, but should not exceed the number specified during initialization. Query mode 2 should be used to find the maximum supported number.

mfxVPPCompInputStream *InputStream

An array of mfxVPPCompInputStream structures that describe composition of input video streams. It should consist of exactly NumInputStream elements.

mfxExtVPPDeinterlacing

struct mfxExtVPPDeinterlacing

Used by the application to specify different deinterlacing algorithms.

Public Members

mfxExtBuffer Header

Extension buffer header. Header.BufferId must be equal to MFX_EXTBUFF_VPP_DEINTERLACING.

mfxU16 Mode

Deinterlacing algorithm. See the DeinterlacingMode enumerator for details.

mfxU16 TelecinePattern

Specifies telecine pattern when Mode = MFX_DEINTERLACING_FIXED_TELECINE_PATTERN. See the TelecinePattern enumerator for details.

mfxU16 TelecineLocation

Specifies position inside a sequence of 5 frames where the artifacts start when TelecinePattern = MFX_TELECINE_POSITION_PROVIDED

mfxU16 reserved[9]

Reserved for future use.

mfxExtVPPDenoise

struct mfxExtVPPDenoise

A hint structure that configures the VPP denoise filter algorithm.

Deprecated:

Deprecated in API version 2.5. Use mfxExtVPPDenoise2 instead.

Public Members

mfxExtBuffer Header

Extension buffer header. Header.BufferId must be equal to MFX_EXTBUFF_VPP_DENOISE.

mfxU16 DenoiseFactor

Indicates the level of noise to remove. Value range of 0 to 100 (inclusive).

mfxExtVPPDenoise2

struct mfxExtVPPDenoise2

A hint structure that configures the VPP denoise filter algorithm.

Public Members

mfxExtBuffer Header

Extension buffer header. Header.BufferId must be equal to MFX_EXTBUFF_VPP_DENOISE2.

mfxDenoiseMode Mode

Indicates the mode of denoise. mfxDenoiseMode enumerator.

mfxU16 Strength

Denoise strength in manual mode. Value of 0-100 (inclusive) indicates the strength of denoise. The strength of denoise controls degree of possible changes of pixel values; the bigger the strength the larger the change is.

mfxU16 reserved[15]

mfxExtVPPDetail

struct mfxExtVPPDetail

A hint structure that configures the VPP detail/edge enhancement filter algorithm.

Public Members

mfxExtBuffer Header

Extension buffer header. Header.BufferId must be equal to MFX_EXTBUFF_VPP_DETAIL.

mfxU16 DetailFactor

Indicates the level of details to be enhanced. Value range of 0 to 100 (inclusive).

mfxExtVPPDoNotUse

struct mfxExtVPPDoNotUse

Tells the VPP not to use certain filters in pipeline. See “Configurable VPP filters” table for complete list of configurable filters. The user can attach this structure to the mfxVideoParam structure when initializing video processing.

Public Members

mfxExtBuffer Header

Extension buffer header. Header.BufferId must be equal to MFX_EXTBUFF_VPP_DONOTUSE.

mfxU32 NumAlg

Number of filters (algorithms) not to use

mfxU32 *AlgList

Pointer to a list of filters (algorithms) not to use

mfxExtVPPDoUse

struct mfxExtVPPDoUse

Tells the VPP to include certain filters in the pipeline.

Each filter may be included in the pipeline in one of two different ways:

• Adding a filter ID to this structure. In this method, the default filter parameters are used.

• Attaching a filter configuration structure directly to the mfxVideoParam structure. In this method, adding filter ID to the mfxExtVPPDoUse structure is optional.

See Table “Configurable VPP filters” for complete list of configurable filters, their IDs, and configuration structures.

The user can attach this structure to the mfxVideoParam structure when initializing video processing.

Note

MFX_EXTBUFF_VPP_COMPOSITE cannot be enabled using mfxExtVPPDoUse because default parameters are undefined for this filter. The application must attach the appropriate filter configuration structure directly to the mfxVideoParam structure to enable it.

Public Members

mfxExtBuffer Header

Extension buffer header. Header.BufferId must be equal to MFX_EXTBUFF_VPP_DOUSE.

mfxU32 NumAlg

Number of filters (algorithms) to use

mfxU32 *AlgList

Pointer to a list of filters (algorithms) to use

mfxExtVPPFieldProcessing

struct mfxExtVPPFieldProcessing

Configures the VPP field processing algorithm. The application can attach this extended buffer to the mfxVideoParam structure to configure initialization and/or to the mfxFrameData during runtime. Runtime configuration has priority over initialization configuration. If the field processing algorithm was activated via the mfxExtVPPDoUse structure and the mfxExtVPPFieldProcessing extended buffer was not provided during initialization, this buffer must be attached to the mfxFrameData structure of each input surface.

Public Members

mfxExtBuffer Header

Extension buffer header. Header.BufferId must be equal to MFX_EXTBUFF_VPP_FIELD_PROCESSING.

mfxU16 Mode

Specifies the mode of the field processing algorithm. See the VPPFieldProcessingMode enumerator for values of this option.

mfxU16 InField

When Mode is MFX_VPP_COPY_FIELD, specifies input field. See the PicType enumerator for values of this parameter.

mfxU16 OutField

When Mode is MFX_VPP_COPY_FIELD, specifies output field. See the PicType enumerator for values of this parameter.

mfxExtVPPFrameRateConversion

struct mfxExtVPPFrameRateConversion

Configures the VPP frame rate conversion filter. The user can attach this structure to the mfxVideoParam structure when initializing, resetting, or querying capability of video processing.

On some platforms the advanced frame rate conversion algorithm (the algorithm based on frame interpolation) is not supported. To query its support, the application should add the MFX_FRCALGM_FRAME_INTERPOLATION flag to the Algorithm value in the mfxExtVPPFrameRateConversion structure, attach it to the structure, and call the MFXVideoVPP_Query function. If the filter is supported, the function returns a MFX_ERR_NONE status and copies the content of the input structure to the output structure. If an advanced filter is not supported, then a simple filter will be used and the function returns MFX_WRN_INCOMPATIBLE_VIDEO_PARAM, copies content of the input structure to the output structure, and corrects the Algorithm value.

If advanced FRC algorithm is not supported, both MFXVideoVPP_Init and MFXVideoVPP_Reset functions return the MFX_WRN_INCOMPATIBLE_VIDEO_PARAM status.

Public Members

mfxExtBuffer Header

Extension buffer header. Header.BufferId must be equal to MFX_EXTBUFF_VPP_FRAME_RATE_CONVERSION.

mfxU16 Algorithm

See the FrcAlgm enumerator for a list of frame rate conversion algorithms.

mfxExtVPPImageStab

struct mfxExtVPPImageStab

A hint structure that configures the VPP image stabilization filter.

On some platforms this filter is not supported. To query its support, the application should use the same approach that it uses to configure VPP filters: adding the filter ID to the mfxExtVPPDoUse structure or by attaching the mfxExtVPPImageStab structure directly to the mfxVideoParam structure and calling the MFXVideoVPP_Query function.

If this filter is supported, the function returns a MFX_ERR_NONE status and copies the content of the input structure to the output structure. If the filter is not supported, the function returns MFX_WRN_FILTER_SKIPPED, removes the filter from the mfxExtVPPDoUse structure, and zeroes the mfxExtVPPImageStab structure.

If the image stabilization filter is not supported, both MFXVideoVPP_Init and MFXVideoVPP_Reset functions return a MFX_WRN_FILTER_SKIPPED status.

The application can retrieve the list of active filters by attaching the mfxExtVPPDoUse structure to the mfxVideoParam structure and calling the MFXVideoVPP_GetVideoParam function. The application must allocate enough memory for the filter list.

Public Members

mfxExtBuffer Header

Extension buffer header. Header.BufferId must be equal to MFX_EXTBUFF_VPP_IMAGE_STABILIZATION.

mfxU16 Mode

Image stabilization mode. See ImageStabMode enumerator for values.

mfxExtVppMctf

struct mfxExtVppMctf

Provides setup for the Motion-Compensated Temporal Filter (MCTF) during the VPP initialization and for control parameters at runtime. By default, MCTF is off. An application may enable it by adding MFX_EXTBUFF_VPP_MCTF to the mfxExtVPPDoUse buffer or by attaching mfxExtVppMctf to the mfxVideoParam structure during initialization or reset.

Public Members

mfxExtBuffer Header

Extension buffer header. Header.BufferId must be equal to MFX_EXTBUFF_VPP_MCTF.

mfxU16 FilterStrength

Value in range of 0 to 20 (inclusive) to indicate the filter strength of MCTF.

The strength of the MCTF process controls the degree of possible change of pixel values eligible for MCTF - the greater the strength value, the larger the change. It is a dimensionless quantity - values in the range of 1 to 20 inclusively imply strength; value 0 stands for AUTO mode and is valid during initialization or reset only

If an invalid value is given, it is fixed to the default value of 0. If the field value is in the range of 1 to 20 inclusive, MCTF operates in fixed-strength mode with the given strength of MCTF process.

At runtime, values of 0 and greater than 20 are ignored.

mfxExtVPPMirroring

struct mfxExtVPPMirroring

Configures the VPP Mirroring filter algorithm.

Public Members

mfxExtBuffer Header

Extension buffer header. Header.BufferId must be equal to MFX_EXTBUFF_VPP_MIRRORING.

mfxU16 Type

Mirroring type. See MirroringType for values.

mfxExtVPPProcAmp

struct mfxExtVPPProcAmp

A hint structure that configures the VPP ProcAmp filter algorithm. The structure parameters will be clipped to their corresponding range and rounded by their corresponding increment.

Note

There are no default values for fields in this structure, all settings must be explicitly specified every time this buffer is submitted for processing.

Public Members

mfxExtBuffer Header

Extension buffer header. Header.BufferId must be equal to MFX_EXTBUFF_VPP_PROCAMP.

mfxF64 Brightness

The brightness parameter is in the range of -100.0F to 100.0F, in increments of 0.1F. Setting this field to 0.0F will disable brightness adjustment.

mfxF64 Contrast

The contrast parameter in the range of 0.0F to 10.0F, in increments of 0.01F, is used for manual contrast adjustment. Setting this field to 1.0F will disable contrast adjustment. If the parameter is negative, contrast will be adjusted automatically.

mfxF64 Hue

The hue parameter is in the range of -180F to 180F, in increments of 0.1F. Setting this field to 0.0F will disable hue adjustment.

mfxF64 Saturation

The saturation parameter is in the range of 0.0F to 10.0F, in increments of 0.01F. Setting this field to 1.0F will disable saturation adjustment.

mfxExtVPPRotation

struct mfxExtVPPRotation

Configures the VPP Rotation filter algorithm.

Public Members

mfxExtBuffer Header

Extension buffer header. Header.BufferId must be equal to MFX_EXTBUFF_VPP_ROTATION.

mfxU16 Angle

Rotation angle. See Angle enumerator for supported values.

mfxExtVPPScaling

struct mfxExtVPPScaling

Configures the VPP Scaling filter algorithm. Not all combinations of ScalingMode and InterpolationMethod are supported in the library. The application must use the Query API function to determine if a combination is supported.

Public Members

mfxExtBuffer Header

Extension buffer header. Header.BufferId must be equal to MFX_EXTBUFF_VPP_SCALING.

mfxU16 ScalingMode

Scaling mode. See ScalingMode for values.

mfxU16 InterpolationMethod

Interpolation mode for scaling algorithm. See InterpolationMode for values.

mfxChannel

struct mfxChannel

A hint structure that configures the data channel.

Public Members

mfxDataType DataType

Data type, mfxDataType enumerator.

mfxU32 Size

Size of Look up table, the number of elements per dimension.

mfxU8 *Data

The pointer to 3DLUT data, 8 bit unsigned integer.

mfxU16 *Data16

The pointer to 3DLUT data, 16 bit unsigned integer.

mfxU32 reserved[4]

Reserved for future extension.

mfx3DLutSystemBuffer

struct mfx3DLutSystemBuffer

A hint structure that configures 3DLUT system buffer.

Public Members

mfxChannel Channel[3]

3 Channels, can be RGB or YUV, mfxChannel structure.

mfxU32 reserved[8]

Reserved for future extension.

mfx3DLutVideoBuffer

struct mfx3DLutVideoBuffer

A hint structure that configures 3DLUT video buffer.

Public Members

mfxDataType DataType

Data type, mfxDataType enumerator.

mfx3DLutMemoryLayout MemLayout

Indicates 3DLUT memory layout. mfx3DLutMemoryLayout enumerator.

mfxMemId MemId

Memory ID for holding the lookup table data. One MemID is dedicated for one instance of VPP.

mfxU32 reserved[8]

Reserved for future extension.

mfxExtVPP3DLut

struct mfxExtVPP3DLut

A hint structure that configures 3DLUT filter.

Public Members

mfxExtBuffer Header

Extension buffer header. Header.BufferId must be equal to MFX_EXTBUFF_VPP_3DLUT.

mfx3DLutChannelMapping ChannelMapping

Indicates 3DLUT channel mapping. mfx3DLutChannelMapping enumerator.

mfxResourceType BufferType

Indicates 3DLUT buffer type. mfxResourceType enumerator, can be system memory, VA surface, DX11 texture/buffer etc.

mfx3DLutSystemBuffer SystemBuffer

The 3DLUT system buffer. mfx3DLutSystemBuffer structure describes the details of the buffer.

mfx3DLutVideoBuffer VideoBuffer

The 3DLUT video buffer. mfx3DLutVideoBuffer describes the details of 3DLUT video buffer.

mfx3DLutInterpolationMethod InterpolationMethod

Indicates 3DLUT Interpolation Method. mfx3DLutInterpolationMethod enumerator.

mfxU32 reserved[3]

Reserved for future extension.

mfxExtVPPVideoSignalInfo

struct mfxExtVPPVideoSignalInfo

Used to control transfer matrix and nominal range of YUV frames. The application should provide this during initialization. Supported for multiple conversions, for example YUV to YUV, YUV to RGB, and RGB to YUV.

Note

This structure is used by VPP only and is not compatible with mfxExtVideoSignalInfo.

Public Members

mfxExtBuffer Header

Extension buffer header. Header.BufferId must be equal to MFX_EXTBUFF_VPP_VIDEO_SIGNAL_INFO.

mfxU16 TransferMatrix

Transfer matrix.

mfxU16 NominalRange

Nominal range.

mfxInfoVPP

struct mfxInfoVPP

Specifies configurations for video processing. A zero value in any of the fields indicates that the corresponding field is not explicitly specified.

Public Members

mfxFrameInfo In

Input format for video processing.

mfxFrameInfo Out

Output format for video processing.

mfxVPPCompInputStream

struct mfxVPPCompInputStream

Used to specify input stream details for composition of several input surfaces in the one output.

Public Members

mfxU32 DstX

X coordinate of location of input stream in output surface.

mfxU32 DstY

Y coordinate of location of input stream in output surface.

mfxU32 DstW

Width of of location of input stream in output surface.

mfxU32 DstH

Height of of location of input stream in output surface.

mfxU16 LumaKeyEnable

Non-zero value enables luma keying for the input stream. Luma keying is used to mark some of the areas of the frame with specified luma values as transparent. It may, for example, be used for closed captioning.

mfxU16 LumaKeyMin

Minimum value of luma key, inclusive. Pixels whose luma values fit in this range are rendered transparent.

mfxU16 LumaKeyMax

Maximum value of luma key, inclusive. Pixels whose luma values fit in this range are rendered transparent.

mfxU16 GlobalAlphaEnable

Non-zero value enables global alpha blending for this input stream.

mfxU16 GlobalAlpha

Alpha value for this stream. Should be in the range of 0 to 255, where 0 is transparent and 255 is opaque.

mfxU16 PixelAlphaEnable

Non-zero value enables per pixel alpha blending for this input stream. The stream should have RGB color format.

mfxU16 TileId

Specify the tile this video stream is assigned to. Should be in the range of 0 to NumTiles. Valid only if NumTiles > 0.

mfxVPPStat

struct mfxVPPStat

Returns statistics collected during video processing.

Public Members

mfxU32 NumFrame

Total number of frames processed.

mfxU32 NumCachedFrame

Number of internally cached frames.

mfxExtVPPPercEncPrefilter

struct mfxExtVPPPercEncPrefilter

The structure is used to configure perceptual encoding prefilter in VPP.

Public Members

mfxU16 reserved[252]

Extension buffer header. Header.BufferId must be equal to MFX_EXTBUFF_VPP_PERC_ENC_PREFILTER.

mfxExtVPPAISuperResolution

struct mfxExtVPPAISuperResolution

A hint structure that configures AI based super resolution VPP filter. Super resolution is an AI-powered upscaling feature which converts a low-resolution to high-resolution. On some platforms this filter is not supported. To query its support, the application should use the same approach that it uses to configure VPP filters: adding the filter ID to the mfxExtVPPDoUse structure or by attaching the mfxExtVPPAISuperResolution structure directly to the mfxVideoParam structure and calling the Query API function. If the filter is supported, the function returns a MFX_ERR_NONE status; otherwise, the function returns MFX_ERR_UNSUPPORTED. If both mfxExtVPPAISuperResolution and mfxExtVPPScaling are attached during initialization, the function will return MFX_ERR_INCOMPATIBLE_VIDEO_PARAM; if both of them are attached during runtime, the mfxExtVPPAISuperResolution will override the upscaling mode and use super resolution. If the application needs to switch on and off, the application can set the MFX_AI_SUPER_RESOLUTION_MODE_DISABLED to switch off, MFX_AI_SUPER_RESOLUTION_MODE_DEFAULT to switch on.

Public Members

mfxExtBuffer Header

Extension buffer header. Header.BufferId must be equal to MFX_EXTBUFF_VPP_AI_SUPER_RESOLUTION.

mfxAISuperResolutionMode SRMode

Indicates Super Resolution Mode. mfxAISuperResolutionMode enumerator.

mfxU32 reserved1[16]

Reserved for future use.

mfxHDL reserved2[4]

Reserved for future use.

mfxExtVPPAIFrameInterpolation

struct mfxExtVPPAIFrameInterpolation

A hint structure that configures AI based frame interpolation VPP filter. AI powered frame interpolation feature can reconstruct one or more intermediate frames between two consecutive frames by AI method. On some platforms this filter is not supported. To query its support, the application should use the same approach that it uses to configure VPP filters: Attaching the mfxExtVPPAIFrameInterpolation structure directly to the mfxVideoParam structure and setting the frame rate of input and output (FrameRateExtN and FrameRateExtD), then calling the Query API function. If the filter is supported, the Query function returns a MFX_ERR_NONE status; otherwise, the function returns MFX_ERR_UNSUPPORTED. As a new method of frame interpolation, the application can attach mfxExtVPPAIFrameInterpolation to mfxVideoParam during initialization for frame interpolation, or attach both mfxExtVPPAIFrameInterpolation and mfxExtVPPFrameRateConversion to mfxVideoParam and use which mfxExtVPPAIFrameInterpolation is regarded as a new algorithm of mfxExtVPPFrameRateConversion (MFX_FRCALGM_AI_FRAME_INTERPOLATION). The applications should follow video processing procedures and call the API mfxStatus MFXVideoVPP_RunFrameVPPAsync(Session, Input, Output, Auxdata, Syncp) to process the frames one by one. The below is detailed explanation of video processing procedures in this AI frame interpolation case. If the application does not follow the below input/output sequence, the application could get the unexpected output and get an error return value. Input: Frame0 Frame1 Frame2 Frame3 FrameN Output: Frame0 Frame0.5 Frame1 Frame1.5 Frame2 Frame2.5 Frame3 FrameX.5 FrameN #0 API call: Input Frame0, Output Frame0, Return MFX_ERR_NONE. #1 API call: Input Frame1, Output Frame0.5 and Return MFX_ERR_MORE_SURFACE. #2 API call: Input Frame1, Output Frame1, Return MFX_ERR_NONE. #3 API call: Input Frame2, Output Frame1.5, Return MFX_ERR_MORE_SURFACE. #4 API call: Input Frame2, Output Frame2, Return MFX_ERR_NONE.

Public Members

mfxExtBuffer Header

Extension buffer header. Header.BufferId must be equal to MFX_EXTBUFF_VPP_AI_FRAME_INTERPOLATION.

mfxAIFrameInterpolationMode FIMode

Indicates frame interpolation mode. The mfxAIFrameInterpolationMode enumerator.

mfxU16 EnableScd

Indicates if enabling scene change detection(SCD) of the library. Recommend to enable this flag for better quality. Value 0 means disable SCD, Value 1 means enable SCD.

mfxU32 reserved1[24]

Reserved for future use.

mfxHDL reserved2[8]

Reserved for future use.