Change Log#

This section describes the API evolution from version to version.

Version 2.9#

New in this release:

Version 2.8#

New in this release:

Bug Fixes:

Version 2.7#

New in this release:

  • mfxExtVppAuxData::RepeatedFrame flag is actual again and returned back from deprecation state.

  • Clarified GPUCopy control behavior.

  • Introduced MFX_FOURCC_XYUV FourCC for non-alpha packed 4:4:4 format.

  • Notice added to the mfxFrameSurfaceInterface::OnComplete to clarify when library can call this callback.

  • New product names for platforms:

    • Code name Alder Lake N.

  • Annotated missed aliases mfxExtHEVCRefListCtrl, mfxExtHEVCRefLists, mfxExtHEVCTemporalLayers.

  • New dispatcher’s config properties:

    • Pass through extension buffer to mfxInitializationParam.

    • Select host or device responsible for the memory copy between host and device.

  • Refined description of struct mfxExtMasteringDisplayColourVolume and mfxExtContentLightLevelInfo for HDR SEI decoder usage.

  • Experimental API: introduced interface to get statistics after encode.

Bug Fixes:

Version 2.6#

New in this release:

  • New development practice to treat some new API features as experimental was introduced. All new experimental API is wrapped with ONE_EXPERIMENTAL macro.

  • Experimental API: introduced MFX_HANDLE_PXP_CONTEXT to support protected content.

  • Experimental API: introduced CPUEncToolsProcessing hint to run adaptive encoding tools on CPU.

  • Experimental API: extended device ID reporting to cover multi-adapter cases.

  • Experimental API: introduced common alias for mfxExtAVCRefListCtrl

  • Experimental API: mfxExtDecodeErrorReport ErrorTypes enum extended with new JPEG/MJPEG decode error report.

  • Clarified LowPower flag meaning.

  • Described that mfxExtThreadsParam can be attached to mfxInitializationParam during session initialization.

  • Refined description of the MFXVideoDECODE_VPP_DecodeFrameAsync function.

  • New dispatcher’s config filter property: MediaAdapterType.

  • Marked all deprecated fields as MFX_DEPRECATED.

  • Introduced priority loading option for custom libraries.

  • Clarified AV1 encoder behavior about writing of IVF headers.

  • Removed outdated note about loading priority of Intel® Media Software Development Kit. For loading details see oneVPL implementation on Intel® platforms with Xe architecture and Intel® Media Software Development Kit Coexistence.

  • Spelled out mfxVariant type usage for strings.

  • New product names for platforms:

    • Code name DG2,

    • Code name ATS-M.

Version 2.5#

New in this release:

  • Added mfxMediaAdapterType to capability reporting.

  • Added surface pool interface.

  • Helper macro definition to simplify filter properties set up process for dispatcher.

  • Added mfxExtAV1BitstreamParam, mfxExtAV1ResolutionParam and mfxExtAV1TileParam for AV1e.


  • Clarified HEVC Main 10 Still Picture Profile configuration.

  • External Buffer ID of mfxExtVideoSignalInfo and mfxExtMasteringDisplayColourVolume for video processing.

  • New MFX_WRN_ALLOC_TIMEOUT_EXPIRED return status. Indicates that all surfaces are currently in use and timeout set by mfxExtAllocationHints for allocation of new surfaces through functions GetSurfaceForXXX expired.

  • Introduced universal temporal layering structure.


  • Introduced segmentation interface for AV1e, including ext-buffers and enums.

  • Introduced planar I422 and I210 FourCC codes.

Bug Fixes:

  • Dispatcher: Removed /etc/ from oneVPL search order.

  • mfxSurfaceArray: CDECL attribute added to the member-functions.


  • mfxExtVPPDenoise extension buffer.

Version 2.4#

  • Added ability to retrieve path to the shared library with the implementation.

  • Added 3DLUT (Three-Dimensional Look Up Table) filter in VPP.

  • Added mfxGUID structure to specify Globally Unique Identifiers (GUIDs).

  • Added QueryInterface function to mfxFrameSurfaceInterface.

  • Added AdaptiveRef and alias for ExtBrcAdaptiveLTR.

  • Added MFX_FOURCC_BGRP FourCC for Planar BGR format.

  • Environmental variables to control dispatcher’s logger.

Version 2.3#

  • Encoding in Hyper mode.

  • New product names for platforms:

    • Code name Rocket Lake,

    • Code name Alder Lake S,

    • Code name Alder Lake P,

    • Code name for Arctic Sound P.

    • For spec version 2.3.1 MFX_PLATFORM_XEHP_SDV alias was added

  • mfx.h header file is added which includes all header files.

  • Added deprecation messages (deprecation macro) to the functions MFXInit and MFXInitEx functions definition.