CMake: libav/ffmpeg cleanups
Use @Orphis's FindFFmpeg module from ppsspp:
2149d3db7f
From that commit:
> This new module should be able to handle both libraries in the regular
> paths and fallback to pkg-config.
> It is also able to find dynamic libraries, not just static libraries.
> It will generate imported targets with the name FFmpeg::<lib> that you
> can use in your scripts.
This commit is contained in:
Michael Maltese
parent
d592bdd4d4
commit
d951d2e4c4
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@ -56,74 +56,3 @@ macro(check_lib var pc lib)
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endif()
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endmacro()
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macro(check_libav)
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if(PKG_CONFIG_FOUND)
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pkg_check_modules(LIBAV libavcodec>=54.35.0 libavformat>=54.20.4
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libswscale>=2.1.1 libavutil>=52.3.0)
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endif()
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if(NOT LIBAV_FOUND)
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if(WIN32)
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add_library(avcodec STATIC IMPORTED)
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set_target_properties(avcodec PROPERTIES
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INTERFACE_INCLUDE_DIRECTORIES ${CMAKE_CURRENT_SOURCE_DIR}/Externals/ffmpeg/include
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IMPORTED_LOCATION ${CMAKE_CURRENT_SOURCE_DIR}/Externals/ffmpeg/lib/avcodec.lib
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)
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add_library(avformat STATIC IMPORTED)
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set_target_properties(avformat PROPERTIES
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INTERFACE_INCLUDE_DIRECTORIES ${CMAKE_CURRENT_SOURCE_DIR}/Externals/ffmpeg/include
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IMPORTED_LOCATION ${CMAKE_CURRENT_SOURCE_DIR}/Externals/ffmpeg/lib/avformat.lib
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)
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add_library(avutil STATIC IMPORTED)
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set_target_properties(avutil PROPERTIES
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INTERFACE_INCLUDE_DIRECTORIES ${CMAKE_CURRENT_SOURCE_DIR}/Externals/ffmpeg/include
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IMPORTED_LOCATION ${CMAKE_CURRENT_SOURCE_DIR}/Externals/ffmpeg/lib/avutil.lib
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)
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add_library(swresample STATIC IMPORTED)
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set_target_properties(swresample PROPERTIES
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INTERFACE_INCLUDE_DIRECTORIES ${CMAKE_CURRENT_SOURCE_DIR}/Externals/ffmpeg/include
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IMPORTED_LOCATION ${CMAKE_CURRENT_SOURCE_DIR}/Externals/ffmpeg/lib/swresample.lib
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)
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add_library(swscale STATIC IMPORTED)
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set_target_properties(swscale PROPERTIES
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INTERFACE_INCLUDE_DIRECTORIES ${CMAKE_CURRENT_SOURCE_DIR}/Externals/ffmpeg/include
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IMPORTED_LOCATION ${CMAKE_CURRENT_SOURCE_DIR}/Externals/ffmpeg/lib/swscale.lib
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)
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set(LIBAV_FOUND ON)
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set(LIBAV_LIBRARIES avcodec avformat avutil swresample swscale)
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else()
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# Attempt to find it through static means
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set(LIBAV_LDFLAGS avformat avcodec swscale avutil)
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set(CMAKE_REQUIRED_LIBRARIES ${LIBAV_LDFLAGS})
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CHECK_CXX_SOURCE_COMPILES(
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"extern \"C\" {
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#include <libavcodec/avcodec.h>
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#include <libavformat/avformat.h>
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#include <libavutil/mathematics.h>
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#include <libswscale/swscale.h>
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}
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int main(int argc, char **argv)
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{
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av_register_all();
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return 0;
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}"
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LIBAV_FOUND)
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unset(CMAKE_REQUIRED_LIBRARIES)
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endif()
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endif()
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if(LIBAV_FOUND)
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message(STATUS "libav/ffmpeg found, enabling AVI frame dumps")
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add_definitions(-DHAVE_LIBAV)
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if(LIBAV_INCLUDE_DIRS)
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include_directories(${LIBAV_INCLUDE_DIRS})
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endif()
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else()
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message(STATUS "libav/ffmpeg not found, disabling AVI frame dumps")
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endif()
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endmacro()
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@ -0,0 +1,163 @@
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# FindFFmpeg
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# ----------
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#
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# Find the native FFmpeg includes and libraries
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#
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# This module defines the following variables:
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#
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# FFmpeg_INCLUDE_<component>: where to find <component>.h
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# FFmpeg_LIBRARY_<component>: where to find the <component> library
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# FFmpeg_INCLUDES: aggregate all the include paths
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# FFmpeg_LIBRARIES: aggregate all the paths to the libraries
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# FFmpeg_FOUND: True if all components have been found
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#
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# This module defines the following targets, which are prefered over variables:
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#
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# FFmpeg::<component>: Target to use <component> directly, with include path,
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# library and dependencies set up. If you are using a static build, you are
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# responsible for adding any external dependencies (such as zlib, bzlib...).
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#
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# <component> can be one of:
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# avcodec
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# avdevice
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# avfilter
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# avformat
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# postproc
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# swresample
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# swscale
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#
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set(_FFmpeg_ALL_COMPONENTS
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avcodec
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avdevice
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avfilter
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avformat
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avutil
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postproc
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swresample
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swscale
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)
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set(_FFmpeg_DEPS_avcodec avutil)
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set(_FFmpeg_DEPS_avdevice avcodec avformat avutil)
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set(_FFmpeg_DEPS_avfilter avutil)
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set(_FFmpeg_DEPS_avformat avcodec avutil)
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set(_FFmpeg_DEPS_postproc avutil)
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set(_FFmpeg_DEPS_swresample avutil)
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set(_FFmpeg_DEPS_swscale avutil)
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function(find_ffmpeg LIBNAME)
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if(DEFINED ENV{FFMPEG_DIR})
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set(FFMPEG_DIR $ENV{FFMPEG_DIR})
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endif()
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if(FFMPEG_DIR)
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list(APPEND INCLUDE_PATHS
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${FFMPEG_DIR}
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${FFMPEG_DIR}/ffmpeg
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${FFMPEG_DIR}/lib${LIBNAME}
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${FFMPEG_DIR}/include/lib${LIBNAME}
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${FFMPEG_DIR}/include/ffmpeg
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${FFMPEG_DIR}/include
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NO_DEFAULT_PATH
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NO_CMAKE_FIND_ROOT_PATH
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)
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list(APPEND LIB_PATHS
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${FFMPEG_DIR}
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${FFMPEG_DIR}/lib
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${FFMPEG_DIR}/lib${LIBNAME}
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NO_DEFAULT_PATH
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NO_CMAKE_FIND_ROOT_PATH
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)
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else()
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list(APPEND INCLUDE_PATHS
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/usr/local/include/ffmpeg
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/usr/local/include/lib${LIBNAME}
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/usr/include/ffmpeg
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/usr/include/lib${LIBNAME}
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/usr/include/ffmpeg/lib${LIBNAME}
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)
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list(APPEND LIB_PATHS
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/usr/local/lib
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/usr/lib
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)
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endif()
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find_path(FFmpeg_INCLUDE_${LIBNAME} lib${LIBNAME}/${LIBNAME}.h
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HINTS ${INCLUDE_PATHS}
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)
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find_library(FFmpeg_LIBRARY_${LIBNAME} ${LIBNAME}
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HINTS ${LIB_PATHS}
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)
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if(NOT FFMPEG_DIR AND (NOT FFmpeg_LIBRARY_${LIBNAME} OR NOT FFmpeg_INCLUDE_${LIBNAME}))
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# Didn't find it in the usual paths, try pkg-config
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find_package(PkgConfig QUIET)
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pkg_check_modules(FFmpeg_PKGCONFIG_${LIBNAME} REQUIRED QUIET lib${LIBNAME})
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find_path(FFmpeg_INCLUDE_${LIBNAME} lib${LIBNAME}/${LIBNAME}.h
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${FFmpeg_PKGCONFIG_${LIBNAME}_INCLUDE_DIRS}
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)
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find_library(FFmpeg_LIBRARY_${LIBNAME} ${LIBNAME}
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${FFmpeg_PKGCONFIG_${LIBNAME}_LIBRARY_DIRS}
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)
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endif()
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if(FFmpeg_INCLUDE_${LIBNAME} AND FFmpeg_LIBRARY_${LIBNAME})
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set(FFmpeg_INCLUDE_${LIBNAME} "${FFmpeg_INCLUDE_${LIBNAME}}" PARENT_SCOPE)
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set(FFmpeg_LIBRARY_${LIBNAME} "${FFmpeg_LIBRARY_${LIBNAME}}" PARENT_SCOPE)
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set(FFmpeg_${c}_FOUND TRUE PARENT_SCOPE)
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if(NOT FFmpeg_FIND_QUIETLY)
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message("-- Found ${LIBNAME}: ${FFmpeg_INCLUDE_${LIBNAME}} ${FFmpeg_LIBRARY_${LIBNAME}}")
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endif()
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endif()
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endfunction()
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foreach(c ${_FFmpeg_ALL_COMPONENTS})
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find_ffmpeg(${c})
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endforeach()
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foreach(c ${_FFmpeg_ALL_COMPONENTS})
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if(FFmpeg_${c}_FOUND)
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list(APPEND FFmpeg_INCLUDES ${FFmpeg_INCLUDE_${c}})
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list(APPEND FFmpeg_LIBRARIES ${FFmpeg_LIBRARY_${c}})
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add_library(FFmpeg::${c} IMPORTED UNKNOWN)
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set_target_properties(FFmpeg::${c} PROPERTIES
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IMPORTED_LOCATION ${FFmpeg_LIBRARY_${c}}
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INTERFACE_INCLUDE_DIRECTORIES ${FFmpeg_INCLUDE_${c}}
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)
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if(_FFmpeg_DEPS_${c})
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set(deps)
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foreach(dep ${_FFmpeg_DEPS_${c}})
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list(APPEND deps FFmpeg::${dep})
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endforeach()
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set_target_properties(FFmpeg::${c} PROPERTIES
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INTERFACE_LINK_LIBRARIES "${deps}"
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)
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unset(deps)
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endif()
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endif()
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endforeach()
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list(REMOVE_DUPLICATES FFmpeg_INCLUDES)
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foreach(c ${FFmpeg_FIND_COMPONENTS})
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list(APPEND _FFmpeg_REQUIRED_VARS FFmpeg_INCLUDE_${c} FFmpeg_LIBRARY_${c})
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endforeach()
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include(FindPackageHandleStandardArgs)
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find_package_handle_standard_args(FFmpeg
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REQUIRED_VARS ${_FFmpeg_REQUIRED_VARS}
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HANDLE_COMPONENTS
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)
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foreach(c ${_FFmpeg_ALL_COMPONENTS})
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unset(_FFmpeg_DEPS_${c})
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endforeach()
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unset(_FFmpeg_ALL_COMPONENTS)
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unset(_FFmpeg_REQUIRED_VARS)
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@ -477,12 +477,18 @@ if(USE_X11)
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pkg_check_modules(X11_INPUT REQUIRED xi>=1.5.0)
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endif()
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if(ENCODE_FRAMEDUMPS)
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check_libav()
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if(LIBAV_FOUND)
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LIST(APPEND LIBS ${LIBAV_LDFLAGS})
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endif()
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if(ENCODE_FRAMEDUMPS)
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if(WIN32)
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set(FFMPEG_DIR Externals/ffmpeg)
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endif()
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find_package(FFmpeg COMPONENTS avcodec avformat avutil swscale)
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if(FFmpeg_FOUND)
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message(STATUS "libav/ffmpeg found, enabling AVI frame dumps")
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add_definitions(-DHAVE_LIBAV)
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else()
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message(STATUS "libav/ffmpeg not found, disabling AVI frame dumps")
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endif()
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endif()
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if(NOT ANDROID)
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@ -62,12 +62,14 @@ else()
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set(SRCS ${SRCS} TextureDecoder_Generic.cpp)
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endif()
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if(LIBAV_FOUND OR WIN32)
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set(SRCS ${SRCS} AVIDump.cpp)
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endif()
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add_dolphin_library(videocommon "${SRCS}" "${LIBS}")
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if(LIBAV_FOUND)
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target_link_libraries(videocommon PRIVATE ${LIBS} ${LIBAV_LIBRARIES})
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if(FFmpeg_FOUND)
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target_sources(videocommon PRIVATE AVIDump.cpp)
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target_link_libraries(videocommon PRIVATE
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FFmpeg::avcodec
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FFmpeg::avformat
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FFmpeg::avutil
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FFmpeg::swscale
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)
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endif()
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