Intel Media Driver Q2'2020 Release
Sherry-Lin
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10 Jul 08:03
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Intel Media Driver Q2'2020 Release
Official quarterly release including some enhancements and key fixes.
Dependencies
- GmmLib: intel-gmmlib-20.2.2
- Libva: 2.8.0
Supported Platforms
- BDW/SKL/APL(BXT)/KBL/CFL/WHL/CML/ICL/EHL/JSL/TGL
What's New
TGL New Features and Enhancement
List of new features comparing to previous release as below. You could refer to Readme for more information.
- Enabled HEVC SCC Encoding.
- Enabled 16bit format(P016/Y216/Y416) and updated documentation.
- Enabled media Blt engine for surface HW copy to improve performance.
- Enabled E2E Compression support.
- Enabled Surface sharing by Primay_2 surface type with compression info attached
Other Platforms Enhancement
HEVC VDEnc Encoding
- Recon surface reallocation in driver for YUV420 10bit, YUV4448 bit and 10 bit support.
Video Processing
- Enabled TileY for RGBP/BGRP on Gen9.
- Improved surface sharing for compatibility (media surface exporting to external/ external surface importing to media).
- Enabled BT.2020 -> BT.709/601/RGB CSC.
Key Fixes
Decoding
- Fixed HEVC SCC decode random corruption issue.
- Fixed crash issue for real-tile & virtual-tile scalability mixed case.
- Return render target formats according to codec profile.
HEVC VDEnc Encoding
- Extended HRD to other BRC besides CBR
- Set minimum resolution to 128x128
HEVC VME Encoding
- User Max Frame Size Support
- The QP setting in the boundary of the ROI map
VP9 VDEnc Encoding
- Fixed dynamic scaling corruption issues
Legacy Encoding
- Prevented error propagation in special cases for vertical Intra Refresh
- Corrected number of JPEG components in encoded bitstream
Video Processing
- Fixed Video Wall GPU hang issue.
- Fixed P010 corruption issue.
- Fixed corruption issue with dynamic parameters change.
- Fixed JSL/EHL output green issue.
Common
- Fixed Compression surface creation on TGL.
Known issues:
- Surface sharing interface upgrade is necessary for DMA buffer sharing, detail in issue#997
- Others refer to known-issues-and-limitations.