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WIPVideo

Version 4 (Saúl Ibarra Corretgé, 08/21/2013 04:11 pm)

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h1. WIPVideo
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Notes while video is a work in progress.






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h2. Dependencies






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The following dependencies are required to build PJSIP with video support (including H264)






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* SDL 2






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* ffmpeg (libavformat, libswscale, libavcodec, libavutil)






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* libx264






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Versions I have tried:






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* SDL (2.0.0-7655)






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* ffmpeg (2.0 release)






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* libx264 (snapshot-20130806-2245-stable)






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h2. Patches






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If the above versions are used, PJSIP needs to be patched with the attached patch (avcodec.diff) or it won't compile. This does not occur when compiling it against the latest library versions on Debian unstable.






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h2. Compiling dependencies






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All dependencies will be compiled to a directory in the user's HOME directory:






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<pre>






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export MY_VIDEO_LIBS=$HOME/work/ag-projects/video/local






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</pre>






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h3. libx264






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<pre>






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./configure --enable-shared --disable-avs --disable-swscale --disable-lavf --disable-ffms --disable-gpac --prefix=$MY_VIDEO_LIBS






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make






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make install






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</pre>






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h3. ffmpeg






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<pre>






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# Some exports






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export PKG_CONFIG_PATH=$MY_VIDEO_LIBS/lib/pkgconfig






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export CFLAGS=`pkg-config --cflags x264`






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export LDFLAGS=`pkg-config --libs x264`






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./configure --enable-shared --disable-static --enable-memalign-hack --enable-gpl --enable-libx264 --prefix=$MY_VIDEO_LIBS






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make






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make install






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# Clear CFLAGS and LDFLAGS






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unset CFLAGS






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unset LDFLAGS






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</pre>






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h3. SDL






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<pre>






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./configure --disable-audio --prefix=$MY_VIDEO_LIBS






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make






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make install






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</pre>






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h2. Compiling PJSIP (pjsua, for testing)






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<pre>






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svn co http://svn.pjsip.org/repos/pjproject/trunk pjsip






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cd pjsip






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echo "#define PJMEDIA_HAS_VIDEO 1" > pjlib/include/pj/config_site.h






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./configure --with-sdl=$MY_VIDEO_LIBS --with-ffmpeg=$MY_VIDEO_LIBS






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make dep






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make






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# pjsua will be located in pjsip-apps/bin/






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</pre>