Media SDK 19.4.0

This release of Intel® Media SDK is part of open source release of media stack. Component revisions included into package:

• Media SDK and Samples: https://github.com/Intel-Media-SDK/MediaSDK/releases/tag/intel-mediasdk-19.4.0
• Driver: https://github.com/intel/media-driver/releases/tag/intel-media-19.4.0r
• Gmmlib: https://github.com/intel/gmmlib/releases/tag/intel-gmmlib-19.4.1
• libva: https://github.com/intel/libva/releases/tag/2.6.0
• libva-utils: https://github.com/intel/libva-utils/releases/tag/2.6.0

Release validated with:

• OpenCL runtime: https://github.com/intel/compute-runtime/releases/tag/19.48.14977

Documentation
Documentation for this release published in release branch with HEVC interlace implementation note whitepaper.

What's new Media SDK 19.4.0:

• API 1.31

  • Added TGL, EHL, JSL platform support
  • Added 12-bit color formats
  • Added support for multiadapter configurations (integrated + discrete)
  • Added partial bitstream output (aka slice-based encode)

• Misc

  • MediaSDK tutorials published
  • Warning-free build on gcc-9 and clang-8
  • Robustness and code unification changes

• HEVC encode

  • Added support for 12-bit range extensions (TGL+)

• VP9 encode

  • Stability improvement

• AVC encode

  • Improved bit rate control

• VP9 decode

  • Improved DRC handling

• VPP

  • Removed shallow copy
  • Fixed Chroma Siting (#1737)

• Software requirements

  • Libdrm 2.4.84 or later
  • Kernel 4.14 or later (5.4 or later is recommended, 5.3 or later required for Icelake)

• Known issues

  • Kernel 5.0 have known issue with endurance on Skylake see https://bugs.freedesktop.org/show_bug.cgi?id=110285 for details.
  • Media Stack 19.4 with Linux kernel 5.0 may cause higher CPU usage and instability in endurance testing. Issue root caused to media driver see intel/media-driver#671 for details.

• Limited support on certain platforms:

  • MPEG-2 encode is not supported on Apollo Lake
  • H.264 Flexible Encode Infrastructure only supported on Broadwell and Skylake
  • Multi Frame Encode (MFE), HEVC Flexible Encode Infrastructure only supported on Skylake
  • VP9 decoder is only supported on Kabylake, Coffeelake and Icelake
  • VP9 encoder is only supported on Icelake platform
  • Support for Tigerlake, Elkhartlake and Jasperlake platforms is preliminary and may not be fully functional
  • SW fallback is unsupported for all components but MJPEG