1.openssl-1.0.1t ./config shared --prefix=/opt/voip/ssl make depend && make make install 2.SDL2-2.0.4.tar ./configure --prefix=/opt/voip/sdl make && make install 3. Installation of yasm-1.3.0 Install yasm by running the following commands: sed -i 's#) ytasm.*#)#' Makefile.in && ./configure --prefix=/usr && make To test the results, issue: make check. Now, as the root user: make install 4.1 libx264 ./configure --prefix=/opt/voip/libx264/ --enable-static --enable-shared make make install 4.2 openh264-1.5.0(pjproject-2.5.5尚不支持openh264-1.6.0,听说2.6x以后会支持) (yum install nasm) 修改openh264-1.5.0目录下的Makefile中PREFIX的值 PREFIX=/opt/voip/openh264/ make make install 试过openh264-1.4.0~openh264-1.6.0三个版本都不能在pjproject-2.5.5编译经过，报诸如如下的错误 /src/pjmedia-codec/openh264.cpp:474:10: error: ‘SEncParamExt’ has no member named ‘iInputCsp’ 查找pjproject官网获悉pjproject-2.5.5尚不支持openh264-1.6.0，听说2.6x以后会支持，可能目前只支持openh264-1.0.0 所以放弃openh264，改用ffmpeg+x264方案 5.ffmpeg-3.1.1.tar(depend on yasm and libx264) export PKG_CONFIG_PATH=$PKG_CONFIG_PATH:/opt/voip/libx264/lib/pkgconfig:/opt/voip/ssl/lib/pkgconfig:/opt/voip/sdl/lib/pkgconfig ./configure --prefix=/opt/voip/ffmpeg --enable-shared --enable-gpl --enable-libx264 6. libv4l-dev sudo apt-get install libv4l-dev 7. pjproject-2.5.5.tr 在/home/user/.bashrc中加入下面几行 export PKG_CONFIG_PATH=$PKG_CONFIG_PATH:/opt/voip/ffmpeg/lib/pkgconfig:/opt/voip/libx264/lib/pkgconfig:/opt/voip/ssl/lib/pkgconfig:/opt/voip/sdl/lib/pkgconfig export PATH=$PATH:/opt/voip/ffmpeg/bin:/opt/voip/sdl/bin:/opt/voip/ssl/bin:/opt/voip/libx264/bin export LIBRARY_PATH=/opt/voip/ffmpeg/lib:/opt/voip/sdl/lib:/opt/voip/ssl/lib:/opt/voip/libx264/lib export LD_LIBRARY_PATH=/opt/voip/ffmpeg/lib:/opt/voip/sdl/lib:/opt/voip/ssl/lib:/opt/voip/libx264/lib export C_INCLUDE_PATH=/opt/voip/ffmpeg/include:/opt/voip/sdl/include:/opt/voip/ssl/include:/opt/voip/libx264/include 让添加的环境变量生效 source .bashrc 配置pjproject ./configure --prefix=/opt/voip/pjsip --with-sdl=/opt/voip/sdl --with-ffmpeg=/opt/voip/ffmpeg --with-ssl=/opt/voip/ssl 修改pjmedia下的config.h 将宏定义PJMEDIA_HAS_VIDEO和PJMEDIA_HAS_FFMPEG的值改成1 make dep && make clean && make (fatal error: alsa/asoundlib.h: No such file or directory apt-get install libasound2-dev [cent os]yum -y install alsa-lib-devel ) 8.测试 cd pjsip-apps/bin 新建t1.cfg文件，内容以下 # This is a comment in the config file. --local-port 4966 --auto-answer 200 --ptime 100 --id sip:12345@192.168.1.123 --registrar sip:192.168.1.123;transport=tls --use-tls --realm * --username 12345 --password 12345 --use-ice --ice-regular --ice-no-rtcp --jb-max-size 300 --log-file=1.txt --video ./pjsua-x86_64-unknown-linux-gnu --config-file t1.cfg 注册成功则能够进行通话测试 参考资料 http://www.mr-wu.cn/how-to-compile-ffmpeg-x264-and-pjsip-on-ubuntu-14-04-for-voip/ http://www.linuxidc.com/Linux/2011-10/45738.htm