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cmake: Find prebuilt ffmpeg on Windows

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This commit is contained in:
Florent Castelli 2017-01-21 02:36:06 +01:00
parent 6c197a8f6a
commit e03690f1f0
1 changed files with 55 additions and 19 deletions
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74
CMakeTests/CheckLib.cmake
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@ -61,30 +61,66 @@ macro(check_libav)
pkg_check_modules(LIBAV libavcodec>=54.35.0 libavformat>=54.20.4 pkg_check_modules(LIBAV libavcodec>=54.35.0 libavformat>=54.20.4
libswscale>=2.1.1 libavutil>=52.3.0) libswscale>=2.1.1 libavutil>=52.3.0)
else() else()
# Attempt to find it through static means if(WIN32)
set(LIBAV_LDFLAGS avformat avcodec swscale avutil) add_library(avcodec STATIC IMPORTED)
set(CMAKE_REQUIRED_LIBRARIES ${LIBAV_LDFLAGS}) set_target_properties(avcodec PROPERTIES
CHECK_CXX_SOURCE_COMPILES( INTERFACE_INCLUDE_DIRECTORIES ${CMAKE_CURRENT_SOURCE_DIR}/Externals/ffmpeg/include
"extern \"C\" { IMPORTED_LOCATION ${CMAKE_CURRENT_SOURCE_DIR}/Externals/ffmpeg/lib/avcodec.lib
#include <libavcodec/avcodec.h> )
#include <libavformat/avformat.h>
#include <libavutil/mathematics.h> add_library(avformat STATIC IMPORTED)
#include <libswscale/swscale.h> set_target_properties(avformat PROPERTIES
} INTERFACE_INCLUDE_DIRECTORIES ${CMAKE_CURRENT_SOURCE_DIR}/Externals/ffmpeg/include
int main(int argc, char **argv) IMPORTED_LOCATION ${CMAKE_CURRENT_SOURCE_DIR}/Externals/ffmpeg/lib/avformat.lib
{ )
av_register_all();
return 0; add_library(avutil STATIC IMPORTED)
}" set_target_properties(avutil PROPERTIES
LIBAV_FOUND) INTERFACE_INCLUDE_DIRECTORIES ${CMAKE_CURRENT_SOURCE_DIR}/Externals/ffmpeg/include
unset(CMAKE_REQUIRED_LIBRARIES) IMPORTED_LOCATION ${CMAKE_CURRENT_SOURCE_DIR}/Externals/ffmpeg/lib/avutil.lib
)
add_library(swresample STATIC IMPORTED)
set_target_properties(swresample PROPERTIES
INTERFACE_INCLUDE_DIRECTORIES ${CMAKE_CURRENT_SOURCE_DIR}/Externals/ffmpeg/include
IMPORTED_LOCATION ${CMAKE_CURRENT_SOURCE_DIR}/Externals/ffmpeg/lib/swresample.lib
)
add_library(swscale STATIC IMPORTED)
set_target_properties(swscale PROPERTIES
INTERFACE_INCLUDE_DIRECTORIES ${CMAKE_CURRENT_SOURCE_DIR}/Externals/ffmpeg/include
IMPORTED_LOCATION ${CMAKE_CURRENT_SOURCE_DIR}/Externals/ffmpeg/lib/swscale.lib
)
set(LIBAV_FOUND ON)
set(LIBAV_LIBRARIES avcodec avformat avutil swresample swscale)
else()
# Attempt to find it through static means
set(LIBAV_LDFLAGS avformat avcodec swscale avutil)
set(CMAKE_REQUIRED_LIBRARIES ${LIBAV_LDFLAGS})
CHECK_CXX_SOURCE_COMPILES(
"extern \"C\" {
#include <libavcodec/avcodec.h>
#include <libavformat/avformat.h>
#include <libavutil/mathematics.h>
#include <libswscale/swscale.h>
}
int main(int argc, char **argv)
{
av_register_all();
return 0;
}"
LIBAV_FOUND)
unset(CMAKE_REQUIRED_LIBRARIES)
endif()
endif() endif()
if(LIBAV_FOUND) if(LIBAV_FOUND)
message(STATUS "libav/ffmpeg found, enabling AVI frame dumps") message(STATUS "libav/ffmpeg found, enabling AVI frame dumps")
add_definitions(-DHAVE_LIBAV) add_definitions(-DHAVE_LIBAV)
include_directories(${LIBAV_INCLUDE_DIRS}) if(LIBAV_INCLUDE_DIRS)
include_directories(${LIBAV_INCLUDE_DIRS})
endif()
else() else()
message(STATUS "libav/ffmpeg not found, disabling AVI frame dumps") message(STATUS "libav/ffmpeg not found, disabling AVI frame dumps")
endif() endif()
endmacro() endmacro()