!!!(gcc/g++版本要在4.8以上,本人使用的是5.4版本)
要先安裝依賴,按以下步驟依次執行
1.LIBVA
git clone https://github.com/intel/libva.git cd libva/ ./autogen.sh ./configure make make install cp /usr/local/include/va/* /usr/include/ cp /usr/local/lib/libva* /usr/lib64/
2.Intel(R) Graphics Memory Management Library(gmmlib)(可以不用單獨安裝,安裝Media Driver時會附帶安裝)
Introduction
The Intel(R) Graphics Memory Management Library provides device specific and buffer management for the Intel(R) Graphics Compute Runtime for OpenCL(TM) and the Intel(R) Media Driver for VAAPI.
License
The Intel(R) Graphics Memory Management Library is distributed under the MIT Open Source license.
You may obtain a copy of the License at:
https://opensource.org/licenses/MIT
Building
Get gmmlib repo, make it look like <workspace> |- GmmLib $ mkdir <workspace>/build $ cd <workspace>/build cmake [-DCMAKE_BUILD_TYPE= Release | Debug | ReleaseInternal] [-DARCH= 64 | 32] ../GmmLib $ make -j8 ( Also performs compile time ULT)
Build步驟如下:
mkdir workspace && cd workspace/ git clone https://github.com/intel/gmmlib.git mkdir build && cd build cmake [-DCMAKE_BUILD_TYPE= Release] [-DARCH= 64] ../gmmlib make -j8
執行完make以后會得到如下結果:
[ 89%] Linking CXX static library libgmm_umd.a [ 89%] Built target gmm_umd [ 90%] Linking CXX shared library libigdgmm64.so [ 90%] Built target igfx_gmmumd_dll [ 91%] Linking CXX static library libigfx_gmmumd_excite.a [ 91%] Built target igfx_gmmumd_excite Scanning dependencies of target GMMULT [ 91%] Building CXX object Source/GmmLib/ULT/CMakeFiles/GMMULT.dir/GmmCachePolicyULT.cpp.o [ 92%] Building CXX object Source/GmmLib/ULT/CMakeFiles/GMMULT.dir/GmmCommonULT.cpp.o [ 93%] Building CXX object Source/GmmLib/ULT/CMakeFiles/GMMULT.dir/GmmGen10CachePolicyULT.cpp.o [ 94%] Building CXX object Source/GmmLib/ULT/CMakeFiles/GMMULT.dir/GmmGen9CachePolicyULT.cpp.o [ 94%] Building CXX object Source/GmmLib/ULT/CMakeFiles/GMMULT.dir/GmmGen10ResourceULT.cpp.o [ 95%] Building CXX object Source/GmmLib/ULT/CMakeFiles/GMMULT.dir/GmmGen9ResourceULT.cpp.o [ 96%] Building CXX object Source/GmmLib/ULT/CMakeFiles/GMMULT.dir/GmmResourceCpuBltULT.cpp.o [ 97%] Linking CXX static library libigfxgmmumd.a [ 97%] Built target igfxgmmumd
把生成的動態和靜態庫拷貝到 /usr/lib64 目錄下:
cp Source/GmmLib/libgmm_umd.a /usr/lib64/ && cp Source/GmmLib/libigdgmm64.so /usr/lib64/ && cp Source/GmmLib/libigfx_gmmumd_excite.a /usr/lib64/ && cp Source/GmmLib/libigfxgmmumd.a /usr/lib64/
Install
Not a stand alone software component. GmmLib is build as static library for Intel media driver and Compute runtime for OpenCL Supported Platforms
Intel Atom and Core Processors supporting Gen9/Gen10 graphics devices
BDW (Broadwell)
SKL (Skylake)
CNL (Cannonlake)
3.Intel(R) Media Driver for VAAPI
Introduction
The Intel(R) Media Driver for VAAPI is a new VA-API (Video Acceleration API) user mode driver supporting hardware accelerated decoding, encoding, and video post processing for GEN based graphics hardware.
License
The Intel(R) Media Driver for VAAPI is distributed under the MIT license with portions covered under the BSD 3-clause "New" or "Revised" License. You may obtain a copy of the License at: https://opensource.org/licenses/MIT & https://opensource.org/licenses/BSD-3-Clause
Prerequisites
For Ubuntu 16.04 and above
apt install autoconf libtool libdrm-dev xorg xorg-dev openbox libx11-dev libgl1-mesa-glx libgl1-mesa-dev
Equivalents for other distributions should work.
Dependencies
Libva - https://github.com/intel/libva
GmmLib - https://github.com/intel/gmmlib (please check https://github.com/intel/media-driver/wiki/Comparability-with-GmmLib)
Building
1. Build and install libva master 2. Get gmmlib and media repo and format the workspace folder as below (suggest the workspace to be a dedicated one for media driver build): <workspace> |- gmmlib |- media-driver $ mkdir <workspace>/build_media $ cd <workspace>/build_media $ cmake ../media-driver \ -DCMAKE_INSTALL_PREFIX=/usr \ -DMEDIA_VERSION="2.0.0" \ -DBUILD_ALONG_WITH_CMRTLIB=1 \ -DBS_DIR_GMMLIB=`pwd`/../gmmlib/Source/GmmLib/ \ -DBS_DIR_COMMON=`pwd`/../gmmlib/Source/Common/ \ -DBS_DIR_INC=`pwd`/../gmmlib/Source/inc/ \ -DBS_DIR_MEDIA=`pwd`/../media-driver Alternatively, copy <workspace>/media-driver/unified_cmake.sh into <workspace>/build_media then run $ ./unified_cmake.sh $ make -j8 Install $ sudo make install This will install the following files (e.g. on Ubuntu): -- Installing: /usr/lib/x86_64-linux-gnu/dri/iHD_drv_video.so -- Installing: /etc/profile.d/intel-media.sh -- Installing: /usr/lib/x86_64-linux-gnu/igfxcmrt64.so
Build步驟如下:
cd workspace/ git clone https://github.com/intel/media-driver.git mkdir build_media && cd build_media/ cp ../media-driver/unified_cmake.sh ./ ./unified_cmake.sh
make -j8
make install
執行unified_cmake.sh腳本時可能會報如下錯誤:
CMake Error at /usr/local/share/cmake-3.5/Modules/FindPkgConfig.cmake:363 (message): A required package was not found Call Stack (most recent call first): /usr/local/share/cmake-3.5/Modules/FindPkgConfig.cmake:528 (_pkg_check_modules_internal) cmrtlib/linux/CMakeLists.txt:68 (pkg_check_modules) -- Configuring incomplete, errors occurred! See also "/opt/MediaDriver/build_media/CMakeFiles/CMakeOutput.log".
解決方法:
vim /usr/local/share/cmake-3.5/Modules/FindPkgConfig.cmake
在356行,把set(_pkg_check_modules_failed 1)改為set(_pkg_check_modules_failed 0) 再執行./unified_cmake.sh
執行make install后,無錯誤的情況如下:
Install the project... -- Install configuration: "" -- Installing: /home/tvu/hevc_shmenc_new/shmenc/3rdparty/libva-1.8.3/lib/lib/dri/iHD_drv_video.so -- Installing: /usr/lib64/igfxcmrt64.so -- Installing: /etc/profile.d/intel-media.sh
命令行輸入:echo $LIBVA_DRIVERS_PATH 查看環境變量的值,如下:
/usr/intel/mediasdk/lib64
執行 ls /usr/intel/mediasdk/lib64 可以看到此目錄下有如下文件:
iHD_drv_video.so libmfxhw64-p.so.1.19 libmfxhw64.so libmfxsw64-p.so.1.19 libmfxsw64.so iHD_drv_video.so libdispatch_shared.a libmfx.a libmfxhw64-p.so.1.19 libmfxhw64-p.so.1.26 libmfxhw64.so libmfxsw64-p.so.1.19 libmfxsw64.so pkgconfig
執行如下命令替換掉 /usr/intel/mediasdk/lib64/iHD_drv_video.so(此步驟也可以在裝完MediaSDK后執行):
cp /home/tvu/hevc_shmenc_new/shmenc/3rdparty/libva-1.8.3/lib/lib/dri/iHD_drv_video.so /usr/intel/mediasdk/lib64/
然后執行vainfo的到如下結果:
error: can't connect to X server! libva info: VA-API version 1.1.0 libva info: va_getDriverName() returns 0 libva info: User requested driver 'iHD' libva info: Trying to open /usr/intel/mediasdk/lib64/iHD_drv_video.so libva info: Found init function __vaDriverInit_1_1 libva info: va_openDriver() returns 0 vainfo: VA-API version: 1.1 (libva 1.67.0.pre1) vainfo: Driver version: Intel iHD driver - 2.0.0 vainfo: Supported profile and entrypoints VAProfileNone : VAEntrypointVideoProc VAProfileNone : <unknown entrypoint> VAProfileMPEG2Simple : VAEntrypointVLD VAProfileMPEG2Main : VAEntrypointVLD VAProfileH264Main : VAEntrypointVLD VAProfileH264Main : VAEntrypointEncSlice VAProfileH264Main : <unknown entrypoint> VAProfileH264Main : <unknown entrypoint> VAProfileH264High : VAEntrypointVLD VAProfileH264High : VAEntrypointEncSlice VAProfileH264High : <unknown entrypoint> VAProfileH264High : <unknown entrypoint> VAProfileVC1Simple : VAEntrypointVLD VAProfileVC1Main : VAEntrypointVLD VAProfileVC1Advanced : VAEntrypointVLD VAProfileJPEGBaseline : VAEntrypointVLD VAProfileJPEGBaseline : VAEntrypointEncPicture VAProfileH264ConstrainedBaseline: VAEntrypointVLD VAProfileH264ConstrainedBaseline: VAEntrypointEncSlice VAProfileH264ConstrainedBaseline: <unknown entrypoint> VAProfileH264ConstrainedBaseline: <unknown entrypoint> VAProfileVP8Version0_3 : VAEntrypointVLD VAProfileHEVCMain : VAEntrypointVLD VAProfileHEVCMain : VAEntrypointEncSlice VAProfileHEVCMain : <unknown entrypoint> VAProfileHEVCMain10 : VAEntrypointVLD VAProfileVP9Profile0 : VAEntrypointVLD
*注意:沒替換掉 /usr/intel/mediasdk/lib64/iHD_drv_video.so的情況下,命令行執行vainfo可能會出現以下情況:
error: can't connect to X server! libva info: VA-API version 1.1.0 libva info: va_getDriverName() returns 0 libva info: User requested driver 'iHD' libva info: Trying to open /usr/intel/mediasdk/lib64/iHD_drv_video.so libva error: /usr/intel/mediasdk/lib64/iHD_drv_video.so has no function __vaDriverInit_1_0 libva info: va_openDriver() returns -1 vaInitialize failed with error code -1 (unknown libva error),exit
4.Intel® Media SDK
Intel® Media SDK provides an API to access hardware-accelerated video decode, encode and filtering on Intel® platforms with integrated graphics.
Supported video encoders: HEVC, AVC, MPEG-2, JPEG Supported Video decoders: HEVC, AVC, VP8, MPEG-2, VC1, JPEG Supported video pre-processing filters: Color Conversion, Deinterlace, Denoise, Resize, Rotate, Composition Important note
The current version of Intel Media SDK is compatible with the open source Intel Media Driver for VAAPI. Intel Media SDK depends on LibVA. FAQ
You can find answers for the most frequently asked questions here. Table of contents
- License
- How to contribute
- Documentation
- Products which use Media SDK
- System requirements
- How to build
- Requirements
- Build steps
License
Intel Media SDK is licensed under MIT license. See LICENSE for details.
How to contribute
See CONTRIBUTING for details. Thank you!
Documentation
Please find full documentation under the doc/ folder. Key documents:
- Media SDK Developer Reference
- Media SDK Developer Reference Extensions for User-Defined Functions
- Media Samples Guide
You may also wish to visit Intel Media Server Studio support page for additional documentation.
products which use Media SDK
- Intel Media Server Studio
- Intel Media SDK for Embedded Linux
System requirements
Operating System: Linux
Software:
- LibVA
- VAAPI backend driver:
Intel Media Driver for VAAPI - Some features require CM Runtime library (part of Intel Media Driver for VAAPI package)
Hardware: Intel platforms supported by the Intel Media Driver for VAAPI
Media SDK test and sample applications may require additional software packages (for example, X Server, Wayland, LibDRM, etc.) to be functional.
How to build
Requirements
- Git* (with LFS support)
- Perl* v5.16+
- Cmake* v2.8+
- GCC* v4.8+
- LibVA
Build steps
Get sources
git clone https://github.com/Intel-Media-SDK/MediaSDK msdk cd msdk
Configure build with GCC (default) compiler:
perl tools/builder/build_mfx.pl --cmake=intel64.make.release
這時會報如下錯誤:
CMake Error at builder/FindTrace.cmake:27 (include): include could not find load file /usr/intel/mediasdk/builder/FindVTune.cmake Call Stack (most recent call first): CMakeLists.txt:56 (include)
mkdir /usr/intel/mediasdk/builder/ cp builder/* /usr/intel/mediasdk/builder/
This will build MSDK binaries and MSDK samples.
If you want to configure build with CLang compiler use the following command:
perl tools/builder/build_mfx.pl --cmake=intel64.make.release.clang
Run build:
make -j8 -C __cmake/intel64.make.release