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Installation

The Kunpeng Image Library optimizes the color space conversion performance of the sws_scale function of libswscale in FFmpeg. You can use this library after applying the optimization patch and compiling and installing the library.

Downloading and Installing x264

  1. Save the x264-master.tar.bz2 package obtained in Software Packages to /home/software and decompress it.
  2. Perform compilation and installation.
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    cd /home/software/x264-master/
mkdir build && cd build
../configure   --enable-static --enable-shared  --prefix=/home/x264install --disable-asm
make -j && make install
  3. Configure the environment variable.
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    export PKG_CONFIG_PATH=/home/x264install/lib/pkgconfig

Downloading and Installing FFmpeg

  1. Save the ffmpeg-7.1.1.tar.xz package obtained in Software Packages to /home/software and decompress it.
  2. Apply huawei_ffmpeg-7.1.1_opt.patch. huawei_ffmpeg-7.1.1_opt.patch is extracted from ffmpe-master.zip. The patch contains code for optimizing FFmpeg.
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    cd /home/software/ffmpeg-7.1.1
git config --global --add safe.directory /home/software/ffmpeg-7.1.1
git init && git add . && git commit -m "init"
cp /home/software/ffmpeg-master/huawei_ffmpeg-7.1.1_opt.patch ./
git apply huawei_ffmpeg-7.1.1_opt.patch
mkdir build && cd build
../configure --prefix=/home/ffmpeg/ --enable-shared --enable-pthreads --enable-gpl --enable-libx264 --disable-stripping --extra-cflags="-fopenmp" --extra-ldflags="-fopenmp"
make -j && make install
  3. Check whether the installation is successful.
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    export  LD_LIBRARY_PATH=/home/ffmpeg/lib/:/home/x264install/lib/:$LD_LIBRARY_PATH
/home/ffmpeg/bin/ffmpeg -version

    If the FFmpeg version is displayed, FFmpeg has been installed.