CentOS 7 libva及其驱动vaapi-driver编译

一. 下载libva vaapi-dirver

下载目前vaapi-driver最新版 intel-vaapi-driver 2.3.0，及其配套的 libva 2.3.0

二. 卸载老版本libva

如果安装了旧版本的libva，使用如下命令卸载：

yum remove libva.x86_64 libva-devel.x86_64 -y

三. libva编译

安装相关依赖包:

yum install libdrm-devel.x86_64 xorg-x11-server-devel.x86_64 -y

解压
```
tar -jxvf libva-2.3.0.tar.bz2
```
进入目录
```
cd libva-2.3.0/
```

配置

./configure --prefix=/usr --libdir=/usr/lib64 CFLAGS=-DNDEBUG

编译并安装
```
make -j4
make install
```

四. libva驱动编译

解压

tar -jxvf intel-vaapi-driver-2.3.0.tar.bz2

进入目录
```
cd intel-vaapi-driver-2.3.0/
```

配置

./configure CFLAGS=-DNDEBUG --prefix=/usr

编译并安装
```
make -j4
make install
```
五. 重新生成链接

使用如下命令刷新生成动态库链接：
```
ldconfig
```

六. 检查链接是否正确

执行:

ll /usr/lib64

示例结果如下:

-rwxr-xr-x.  1 root root      967 Sep  1 12:35 libva-drm.la
lrwxrwxrwx.  1 root root       20 Sep  1 12:35 libva-drm.so -> libva-drm.so.2.300.0
lrwxrwxrwx.  1 root root       20 Sep  1 12:35 libva-drm.so.2 -> libva-drm.so.2.300.0
-rwxr-xr-x.  1 root root    13712 Sep  1 10:32 libva-drm.so.2.100.0
-rwxr-xr-x.  1 root root    13776 Sep  1 12:35 libva-drm.so.2.300.0
-rwxr-xr-x.  1 root root     1018 Sep  1 12:35 libva-glx.la
lrwxrwxrwx.  1 root root       20 Sep  1 12:35 libva-glx.so -> libva-glx.so.2.300.0
lrwxrwxrwx.  1 root root       20 Sep  1 12:35 libva-glx.so.2 -> libva-glx.so.2.300.0
-rwxr-xr-x.  1 root root    29480 Sep  1 10:32 libva-glx.so.2.100.0
-rwxr-xr-x.  1 root root    29480 Sep  1 12:35 libva-glx.so.2.300.0
-rwxr-xr-x.  1 root root      917 Sep  1 12:35 libva.la
lrwxrwxrwx.  1 root root       16 Sep  1 12:35 libva.so -> libva.so.2.300.0
lrwxrwxrwx.  1 root root       16 Sep  1 12:35 libva.so.2 -> libva.so.2.300.0
-rwxr-xr-x.  1 root root   186568 Sep  1 10:32 libva.so.2.100.0
-rwxr-xr-x.  1 root root   190720 Sep  1 12:35 libva.so.2.300.0
-rwxr-xr-x.  1 root root     1008 Sep  1 12:35 libva-wayland.la
lrwxrwxrwx.  1 root root       24 Sep  1 12:35 libva-wayland.so -> libva-wayland.so.2.300.0
lrwxrwxrwx.  1 root root       24 Sep  1 12:35 libva-wayland.so.2 -> libva-wayland.so.2.300.0
-rwxr-xr-x.  1 root root    24512 Sep  1 10:33 libva-wayland.so.2.100.0
-rwxr-xr-x.  1 root root    24512 Sep  1 12:35 libva-wayland.so.2.300.0
-rwxr-xr-x.  1 root root      989 Sep  1 12:35 libva-x11.la
lrwxrwxrwx.  1 root root       20 Sep  1 12:35 libva-x11.so -> libva-x11.so.2.300.0
lrwxrwxrwx.  1 root root       20 Sep  1 12:35 libva-x11.so.2 -> libva-x11.so.2.300.0
-rwxr-xr-x.  1 root root    33824 Sep  1 10:32 libva-x11.so.2.100.0
-rwxr-xr-x.  1 root root    33824 Sep  1 12:35 libva-x11.so.2.300.0

确保libva相关的库都正确链接到了你需要的版本！

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