X-Git-Url: https://git.ao2.it/libam7xxx.git/blobdiff_plain/944aa0cf862aa4cf6573c5259a19be6144c27514..701cb208fb160d2f14aff1b9cd425c481e2b003a:/HACKING.asciidoc diff --git a/HACKING.asciidoc b/HACKING.asciidoc index ff5c62b..00ca2d8 100644 --- a/HACKING.asciidoc +++ b/HACKING.asciidoc @@ -19,6 +19,9 @@ On a Debian based system, the dependencies can be installed with this command: libavdevice-dev \ libswscale-dev +With libav/ffmpeg version previous than 0.9 this patch is needed: +http://git.ao2.it/libam7xxx.git/blob_plain/refs/heads/debian:/debian/patches/0001-Revert-am7xxx-play-switch-to-avcodec_encode_video2.patch + The library and the example programs can be compiled following these steps: $ git clone git://git.ao2.it/libam7xxx.git @@ -47,6 +50,13 @@ can run: $ cmake -D CMAKE_C_COMPILER=cgcc ../ $ make +And for a pre-release check with a different compiler, which never hurts: + + $ mkdir build + $ cd build + $ cmake -D CMAKE_C_COMPILER=clang -D CMAKE_BUILD_TYPE=debug -D STRICT_COMPILATION_CHECKS=ON ../ + $ make + === Cross Builds If you want to build for MS Windows: @@ -56,13 +66,15 @@ If you want to build for MS Windows: $ cd build $ wget -nv http://sourceforge.net/projects/libusbx/files/releases/1.0.11/Windows/libusbx-1.0.11-win.7z $ 7z -olibusbx-1.0.11-win x libusbx-1.0.11-win.7z + $ wget -nv http://win32.libav.org/win32/libav-win32-20120521.7z + $ 7z x libav-win32-20120521.7z $ cmake \ -D GNU_HOST=i686-w64-mingw32 \ -D CMAKE_TOOLCHAIN_FILE=../cmake_modules/mingw_cross_toolchain.cmake \ -D CMAKE_INSTALL_PREFIX=libam7xxx-win/ \ -D LIBUSB_1_INCLUDE_DIR=libusbx-1.0.11-win/include/libusbx-1.0 \ -D LIBUSB_1_LIBRARY=libusbx-1.0.11-win/MinGW32/dll/libusb-1.0.dll \ - -D BUILD_AM7XXX-PLAY:BOOL=FALSE \ + -D FFMPEG_ROOT=$(pwd)/libav-win32-20120521/usr \ ../ $ make @@ -76,3 +88,8 @@ dynamic analyzer by using a command like: $ valgrind --leak-check=full --show-reachable=yes --track-origins=yes \ ./bin/picoproj -W 800 -H 480 -f my_image.jpg + +or, for am7xxx-play: + + $ valgrind --leak-check=full --show-reachable=yes --track-origins=yes \ + ./bin/am7xxx-play -f x11grab -i :0