This release of Intel® Media SDK is part of open source release of media stack. Component revisions included into package:
- MediaSDK and Samples: https://github.com/Intel-Media-SDK/MediaSDK/releases/tag/intel-mediasdk-19.3.0
- Driver: https://github.com/intel/media-driver/releases/tag/intel-media-19.3.0
- Gmmlib: https://github.com/intel/gmmlib/releases/tag/intel-gmmlib-19.3.1
- libva: https://github.com/intel/libva/releases/tag/2.6.0.pre1
- libva-utils: https://github.com/intel/libva-utils/releases/tag/2.5.0
Release validated with:
Documentation
Documentation for this release published in release branch. Starting point is Media SDK API Reference.
Don't forget to check out Wiki to read about ffmpeg and gstreamer integration, Docker tips and tricks and Media Driver flavors available in Ubuntu 19.04.
What's new in Media SDK 19.3.0:
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Misc
- Coding guide published
- API manuals had been set free from rusty pdf chains and landed to Github in markdown format
- Warning-free build on gcc-9
- Major warning cleanup on clang-8
- Many robustness and code unification changes
- Internal resources allocated using default (internal) allocator instead of application-supplied one
- Allow a larger surface for MPEG-2/JPEG encoding (#1562)
-
HEVC encode
- Fixed QVBR support (see #1579)
- Tuned performance in certain cases
- Fixed max slices number
-
VP9 encode
- Fixed comparison of segment maps
- Added checking for QP overflow
- Fixed async mode
-
AVC encode
- Added interface to disable 8x8TransformMode
- Improved driver caps handling
-
VPP
- Fixed mirroring with video memory scenario
-
JPEG decode
- Enabled SFC engine for color space conversion to ARGB
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Software requirements
- Libdrm 2.4.84 or later
- Kernel 4.14 or later (4.19 or later is recommended, 5.3 or later required for Icelake)
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Hardware requirements
- Actualized device ID white-list - added EHL device IDs
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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 19.3 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. Recommend kernel 4.19.5 not affected by this issue.
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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
- SW fallback is unsupported for all components but MJPEG