#!/bin/bash

yum install gcc bzip2 -y

cd /usr/local
mkdir software 
cd software

# wget http://www.tortall.net/projects/yasm/releases/yasm-1.3.0.tar.gz 
wget https://dsideal.obs.cn-north-1.myhuaweicloud.com/HuangHai/ffmpeg/yasm-1.3.0.tar.gz
tar zxvf yasm-1.3.0.tar.gz
cd yasm-1.3.0
./configure
make && make install

# https://www.videolan.org/developers/x264.html
# 编译H264库
cd /usr/local/software
wget https://dsideal.obs.cn-north-1.myhuaweicloud.com/HuangHai/ffmpeg/x264-master.tar.bz2

tar -xjf x264-master.tar.bz2
cd x264-master/
./configure --prefix=/usr/local/x264 --enable-shared --enable-static --disable-asm
make
make install

# 编译 ffmpeg
#wget http://www.ffmpeg.org/releases/ffmpeg-4.3.tar.xz
wget https://dsideal.obs.cn-north-1.myhuaweicloud.com/HuangHai/ffmpeg/ffmpeg-4.3.tar.xz
tar xvJf ffmpeg-4.3.tar.xz

cd /usr/local/software/ffmpeg-4.3
./configure --prefix=/usr/local/ffmpeg --enable-shared --enable-yasm --enable-libx264 --enable-gpl
--enable-pthreads --extra-cflags=-I/usr/local/x264/include --extra-ldflags=-L/usr/local/x264/lib
make -j4 && make install

#配置环境变量
echo "/usr/local/x264/lib/" >> /etc/ld.so.conf.d/x264.conf
echo "include ld.so.conf.d/*.conf"  >>  /etc/ld.so.conf
echo "/usr/local/ffmpeg/lib/"  >>  /etc/ld.so.conf
ldconfig
echo "PATH=$PATH:/usr/local/ffmpeg/bin" >> /etc/profile
echo "export PATH" >> /etc/profile
source /etc/profile
echo "/usr/local/x264/lib/" >> /etc/ld.so.conf.d/x264.conf

# 验证安装成果
ffmpeg -version

# 查看是否有264编码器
ffmpeg -encoders |grep 264