[VideoCodec] ffmpeg 配置 x265 --- libx265
1. 下载libx265 source code.https://bitbucket.org/multicoreware/x265/downloads/2. 解压缩下载的压缩包(此处下载的为v-2.4). tar -xzvf x265_2.4.tar.gz3. 编译并安装libx265. cd x265_2.4/build/linuxsudo make install