Add new scripts to support build raisr without internet access.

The 01_pull_resources.sh is used to pull all resources used for build raisr and ffmpeg and generate tarball.
The 02_install_prerequisites.sh is used to extract resources tarball and install package from it.
The 03_build_raisr_ffmpeg.sh is used to build raisr and ffmpeg.

Signed-off-by: Xiaoxia Liang <xiaoxia.liang@intel.com>

Author: xiaoxial

scripts/01_pull_resources.sh

@@ -0,0 +1,84 @@
+#!/bin/bash
+
+# This script is used to pull all resources(Cmake 3.14, nasm, x264, x265, IPP, Raisr and ffmpeg) used for build RAISR and ffmpeg. And by default, the script will generate a tarball raisr.tar.gz of these resources and you can use "no_package" option to disable generate the tarball.
+
+package_flag=true
+
+# Usage: 01_pull_resource <no_package>
+while [ -n "$*" ]; do
+    case "$(printf %s "$1" | tr '[:upper:]' '[:lower:]')" in
+        no_package) package_flag=false && shift ;;
+        *) break ;;
+    esac
+done
+
+raisr_folder=raisr
+mkdir $raisr_folder
+cd $raisr_folder
+
+# pull cmake 3.14
+wget  https://cmake.org/files/v3.14/cmake-3.14.0.tar.gz
+if [ ! -f "cmake-3.14.0.tar.gz" ];then
+    echo "Failed to download Cmake 3.14!"
+    exit 1
+fi
+
+# pull raisr code
+git clone https://github.com/OpenVisualCloud/Video-Super-Resolution-Library.git
+if [ ! -d "Video-Super-Resolution-Library" ];then
+    echo "Failed to pull source code of Video-Super-Resolution-Library!"
+    exit 1
+fi
+
+# pull ffmpeg
+git clone https://github.com/FFmpeg/FFmpeg ffmpeg
+if [ ! -d "ffmpeg" ];then
+    echo "Failed to pull source code of ffmpeg!"
+    exit 1
+fi
+
+cd ffmpeg
+git checkout -b n4.4 n4.4
+git am ../Video-Super-Resolution-Library/ffmpeg/0001-ffmpeg-raisr-filter.patch
+cd -
+
+# pull nasm used for build x264
+wget https://www.nasm.us/pub/nasm/releasebuilds/2.15.05/nasm-2.15.05.tar.bz2
+if [ ! -f "nasm-2.15.05.tar.bz2" ];then
+    echo "Failed to download nasm!"
+    exit 1
+fi
+
+# pull x264 and x265
+git clone https://github.com/mirror/x264 -b stable --depth 1
+if [ ! -d "x264" ];then
+    echo "Failed to pull source code of x264!"
+    exit 1
+fi
+
+wget  https://github.com/videolan/x265/archive/3.4.tar.gz
+if [ ! -f "3.4.tar.gz" ];then
+    echo "Failed to download source code of x265!"
+    exit 1
+fi
+
+# pull IPP
+wget https://registrationcenter-download.intel.com/akdlm/irc_nas/19007/l_ipp_oneapi_p_2021.6.2.16995_offline.sh
+if [ ! -f "l_ipp_oneapi_p_2021.6.2.16995_offline.sh" ];then
+    echo "Failed to download IPP package!"
+    exit 1
+fi
+
+echo "Successfully downloaded all these resources!"
+
+if [ "$package_flag" == "true" ]; then
+    cd ..
+    tar -zcvf ./$raisr_folder.tar.gz ./$raisr_folder
+    if [ ! -f "$raisr_folder.tar.gz" ];then
+        echo "Failed to package these resources to $raisr_folder.tar.gz!"
+        exit 1
+    else
+        echo "Successfully packaged these resources to $raisr_folder.tar.gz!"
+        rm -rf ./$raisr_folder
+    fi
+fi

scripts/02_install_prerequisites.sh

@@ -0,0 +1,63 @@
+#!/bin/bash
+
+# This scrpit is used to extract the tarball raisr.tar.gz of resources and build and install the libraries required by building raisr and ffmpeg
+# It requires Linux based OS(Tested and validated on Ubuntu 18.04 LTS), gcc/g++ 7.5 or later, make and pkg-config to run this script.
+
+# Usage: 02_install_prerequisites.sh /xxx/raisr.tar.gz
+
+package_path=$1
+if [ -z "$package_path" ];then
+    echo "Usage: 02_install_prerequisites.sh /xxx/raisr.tar.gz"
+    exit 1
+fi
+
+tar -zxf $package_path ./
+cd raisr
+
+# install IPP
+chmod +x ./l_ipp_oneapi_p_2021.6.2.16995_offline.sh
+sudo ./l_ipp_oneapi_p_2021.6.2.16995_offline.sh -a -s --eula accept
+echo "source /opt/intel/oneapi/ipp/latest/env/vars.sh" | tee -a ~/.bash_profile
+
+# build and install CMake 3.14
+tar zxf ./cmake-3.14.0.tar.gz
+cd cmake-3.14.0 && \
+    ./bootstrap --prefix=/usr/local && \
+    make -j $(nproc) && \
+    sudo make install
+cd -
+
+# build and install nasm
+tar xjf ./nasm-2.15.05.tar.bz2 && \
+    cd nasm-2.15.05 && \
+    ./autogen.sh && \
+    ./configure --prefix=/usr/local --libdir=/usr/local/lib && \
+    make -j $(nproc) && \
+    sudo make install
+cd -
+
+# build and install x264
+cd x264 && \
+    ./configure --prefix=/usr/local --libdir=/usr/local/lib \
+    --enable-shared && \
+    make -j $(nproc) && \
+    sudo make install
+cd -
+
+# build and install x265
+tar xzf ./3.4.tar.gz
+cd x265-3.4/build/linux && \
+    cmake -DBUILD_SHARED_LIBS=ON -DCMAKE_INSTALL_PREFIX=/usr/local -DLIB_INSTALL_DIR=/usr/local/lib ../../source && \
+    make -j $(nproc) && \
+    sudo make install
+cd -
+
+# remove the resources except Raisr and ffmpeg
+rm l_ipp_oneapi_p_2021.6.2.16995_offline.sh
+rm 3.4.tar.gz
+rm cmake-3.14.0.tar.gz
+rm nasm-2.15.05.tar.bz2
+rm -rf ./x264
+rm -rf ./x265-3.4
+rm -rf ./cmake-3.14.0
+rm -rf ./nasm-2.15.05

scripts/03_build_raisr_ffmpeg.sh

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+#!/bin/bash
+
+# This scrpit is used to build raisr and ffmpeg
+
+# Usage: 03_build_raisr_ffmpeg.sh /xxx/raisr/Video-Super-Resolution-Library
+
+raisr_path=$1
+
+if [ -z "$raisr_path" ];then
+    echo "Usage: 03_build_raisr_ffmpeg.sh /xxx/raisr/Video-Super-Resolution-Library"
+    exit 1
+fi
+
+# set IPP, x264 and x265 env
+export PKG_CONFIG_PATH="/usr/local/lib/pkgconfig:$PKG_CONFIG_PATH"
+source /opt/intel/oneapi/ipp/latest/env/vars.sh
+
+# build raisr
+cd $raisr_path
+sudo -E ./build.sh no_docker
+
+# build ffmpeg
+cd ../ffmpeg
+cp ../Video-Super-Resolution-Library/ffmpeg/vf_raisr.c libavfilter/
+
+./configure \
+ --enable-libipp \
+ --extra-cflags="-fopenmp" \
+ --extra-ldflags=-fopenmp \
+ --enable-gpl \
+ --enable-libx264 \
+ --enable-libx265 \
+ --extra-libs='-lraisr -lstdc++ -lippcore -lippvm -lipps -lippi' \
+ --enable-cross-compile
+make clean
+make -j $(nproc)
+
+cp -r ../Video-Super-Resolution-Library/filters* .
+
+echo -e "To run the library you can do the following: \n
+      cd raisr/ffmpeg \n
+      ./ffmpeg -y -i /input_files/input.mp4 -vf raisr=threadcount=20 -pix_fmt yuv420p /output_files/out.yuv \n
+And you can see more use cases in README file of Video-Super-Resolution-Library."
+