Intel-Media-SDK/MediaSDK intel-mediasdk-20.1.1

Media SDK 20.1.1

on GitHub

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-20.1.1
• Driver: https://github.com/intel/media-driver/releases/tag/intel-media-20.1.1
• Gmmlib: https://github.com/intel/gmmlib/releases/tag/intel-gmmlib-20.1.1
• libva: https://github.com/intel/libva/releases/tag/2.7.1
• libva-utils: https://github.com/intel/libva-utils/releases/tag/2.7.1

Release validated with:

• OpenCL runtime: https://github.com/intel/compute-runtime/releases/tag/20.10.16087

Documentation
Documentation for this release published in release branch.

What's new Media SDK 20.1.1:

• Misc

  • libva updated to 2.7.1 to fix intel/libva#396

• HEVC encode

  • Fixed per-macroblock QP (MBQP) handling
  • Fixed dirty rect handling
  • Relaxed limitation on enabling SAO in presence of weighted prediction

• VPP

  • Enabled AVX-2 code path in scene detection filter

• Samples

  • Added AVBR, QVBR and ICQ bitrate control modes to sample_multi_transcode
  • Fixed VP8 and VP9 stream parsing in sample_decode
  • Corrected BufferSizeInKB calculation

• Software requirements

  • Libdrm 2.4.84 or later
  • Kernel 4.14 or later (5.4 recommended, consult kernel support matrix wiki page for details)

• 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 20.1 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.

Windows support
Samples and dispatcher (API 1.32) supported by Windows Intel(r) graphics driver since 26.20.100.8141 https://downloadcenter.intel.com/product/80939/Graphics-Drivers.

• 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