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Media SDK 21.1.3
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-21.1.3
- Driver: https://github.com/intel/media-driver/releases/tag/intel-media-21.1.3
- Gmmlib: https://github.com/intel/gmmlib/releases/tag/intel-gmmlib-21.1.1
- libva: https://github.com/intel/libva/releases/tag/2.11.0
- libva-utils: https://github.com/intel/libva-utils/releases/tag/2.11.1
Release validated with:
- OpenCL runtime: https://github.com/intel/compute-runtime/releases/tag/21.12.19358 (re-built against intel-gmmlib-21.1.1)
Documentation
Documentation for this release published in release branch.
What’s New in Media SDK 21.1.3
New features:
-
API 1.35
- Added deprecation attributes in API Headers. Please see Intel® Media SDK Reference Manuals for details:
- Added AVC decode 6-6.2 levels
-
AV1 Decode
- Enabled dynamic gpu session priority
-
VP8 Decode
- Increased max height to 4k
-
Samples
- Changed default memory from opaq to video in sample_multy_transcode
- Added -fps flag to limit overall fps of pipeline in sample_decode and sample_encode
- Added support of 1->1 and 1-N transcode scenarios with SFC in sample_multi_transcode
- Added support for 10bit formats in sample_multi_transcode
- Added flags for forcing output color format in sample_encode
- Added UYVY output support for sample_vpp
- Added NV16 and P210 support in sample_encode
-
Misc
- Enabled github actions
-
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 21.1.3 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.
- Media Driver may incorrect report frame QP in Media Stack 21.1.3 for HEVC FEI. See intel/media-driver#1171 for details.
Windows support
Samples and dispatcher supported by Windows Intel(r) graphics driver since TBD (API 1.32 supported by Windows Intel(r) graphics driver since 26.20.100.8141).
- 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 supported starting from Kabylake platform
- VP9 encoder is supported starting from Icelake platform
- Support for Rocketlake, Elkhartlake and Jasperlake platforms is preliminary and may not be fully functional
- SW fallback is unsupported for all components but MJPEG
- Keem Bay require a separate runtime library
- Some Keem Bay features are specific to this platform and not available on GEN graphics