To save time,I install cmake and ffmpeg from binary instead of compiling and installing.

CreateEnvironment.sh

@@ -21,15 +21,24 @@ sudo apt -y install gdb
 sudo apt-get -y install cron
 sudo apt install -y network-manager
 
+# cmake
 sudo apt -y remove cmake
 sudo apt -y install openssl
 sudo apt -y install libssl-dev
 cd /home/300tc/library_source
-sudo wget http://www.cmake.org/files/v3.17/cmake-3.17.3.tar.gz
-sudo tar -xf cmake-3.17.3.tar.gz
+
+# Installation Mode 1
+#sudo wget http://www.cmake.org/files/v3.17/cmake-3.17.3.tar.gz
+#sudo tar -xf cmake-3.17.3.tar.gz
+#cd cmake-3.17.3
+#sudo ./configure
+#sudo make -j5
+
+# Installation Mode 2
+cp /home/pi/tc_ShellScripts/binary/cmake_binary.tar.bz2 /home/300tc/library_source
+tar -jxvf cmake_binary.tar.bz2
 cd cmake-3.17.3
-sudo ./configure
-sudo make -j5
+
 sudo make install
 sudo ln -sf /usr/local/bin/cmake  /usr/bin/cmake
 
@@ -161,11 +170,19 @@ sudo apt-get -y install libdav1d-dev
 
 cd /home/300tc/library_source
 sudo mkdir /home/300tc/library/ffmpeg_build
-sudo wget https://ffmpeg.org/releases/ffmpeg-snapshot.tar.bz2
-sudo tar -xvf ffmpeg-snapshot.tar.bz2
+
+# Installation Mode 1
+#sudo wget https://ffmpeg.org/releases/ffmpeg-snapshot.tar.bz2
+#sudo tar -xvf ffmpeg-snapshot.tar.bz2
+#cd ffmpeg
+#sudo ./configure --enable-shared --enable-gpl --disable-yasm --enable-libx264 --disable-libx265 --prefix=/home/300tc/library/ffmpeg_build
+#sudo make -j5
+
+# Installation Mode 2
+cp /home/pi/tc_ShellScripts/binary/ffmpeg_binary.tar.bz2 /home/300tc/library_source
+tar -jxvf ffmpeg_binary.tar.bz2
 cd ffmpeg
-sudo ./configure --enable-shared --enable-gpl --disable-yasm --enable-libx264 --disable-libx265 --prefix=/home/300tc/library/ffmpeg_build
-sudo make -j5
+
 sudo make install
 
 sudo sed -i '$a\/home/300tc/library/ffmpeg_build/lib/' /etc/ld.so.conf