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94 lines
3.0 KiB
CMake
94 lines
3.0 KiB
CMake
# - Try to find ffmpeg libraries (libavcodec, libavformat and libavutil)
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# Once done this will define
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#
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# FFMPEG_FOUND - system has ffmpeg or libav
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# FFMPEG_INCLUDE_DIR - the ffmpeg include directory
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# FFMPEG_LIBRARIES - Link these to use ffmpeg
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# FFMPEG_LIBAVCODEC
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# FFMPEG_LIBAVFORMAT
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# FFMPEG_LIBAVUTIL
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# FFMPEG_SWRESAMPLE
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#
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# Copyright (c) 2008 Andreas Schneider <mail@cynapses.org>
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# Modified for other libraries by Lasse Kärkkäinen <tronic>
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# Modified for Hedgewars by Stepik777
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#
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# Redistribution and use is allowed according to the terms of the New
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# BSD license.
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#
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# use pkg-config to get the directories and then use these values
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# in the FIND_PATH() and FIND_LIBRARY() calls
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find_package(PkgConfig QUIET)
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if(PKG_CONFIG_FOUND)
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pkg_check_modules(_FFMPEG_AVCODEC libavcodec QUIET)
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pkg_check_modules(_FFMPEG_AVFORMAT libavformat QUIET)
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pkg_check_modules(_FFMPEG_AVUTIL libavutil QUIET)
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pkg_check_modules(_FFMPEG_SWRESAMPLE libswresample QUIET)
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endif()
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find_path(FFMPEG_AVCODEC_INCLUDE_DIR
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NAMES libavcodec/avcodec.h
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PATHS ${_FFMPEG_AVCODEC_INCLUDE_DIRS} /usr/include /usr/local/include /opt/local/include /sw/include
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PATH_SUFFIXES ffmpeg libav
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)
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find_library(FFMPEG_LIBAVCODEC
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NAMES avcodec
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PATHS ${_FFMPEG_AVCODEC_LIBRARY_DIRS} /usr/lib /usr/local/lib /opt/local/lib /sw/lib
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)
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find_library(FFMPEG_LIBAVFORMAT
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NAMES avformat
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PATHS ${_FFMPEG_AVFORMAT_LIBRARY_DIRS} /usr/lib /usr/local/lib /opt/local/lib /sw/lib
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)
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find_library(FFMPEG_LIBAVUTIL
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NAMES avutil
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PATHS ${_FFMPEG_AVUTIL_LIBRARY_DIRS} /usr/lib /usr/local/lib /opt/local/lib /sw/lib
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)
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find_library(FFMPEG_SWRESAMPLE
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NAMES swresample
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PATHS ${_FFMPEG_SWRESAMPLE_LIBRARY_DIRS} /usr/lib /usr/local/lib /opt/local/lib /sw/lib
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)
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set(FFMPEG_INCLUDE_DIR ${FFMPEG_AVCODEC_INCLUDE_DIR})
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set(FFMPEG_LIBRARIES
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${FFMPEG_LIBAVCODEC}
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${FFMPEG_LIBAVFORMAT}
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${FFMPEG_LIBAVUTIL}
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${FFMPEG_SWRESAMPLE}
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)
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if(CMAKE_SYSTEM_NAME STREQUAL "Windows")
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list(APPEND FFMPEG_LIBRARIES secur32.lib Ws2_32.lib)
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endif()
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if(FFMPEG_INCLUDE_DIR)
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file(READ "${FFMPEG_INCLUDE_DIR}/libavutil/ffversion.h" __FFVERSION_H)
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string(REGEX MATCH "#define[ ]+FFMPEG_VERSION[ ]+\"([0-9a-zA-Z\\.\\-]+)\"" _FFMPEG_VERSION "${__FFVERSION_H}")
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if(NOT _FFMPEG_VERSION)
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message(AUTHOR_WARNING "Cannot detect ffmpeg version: regex does not match")
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endif()
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set(FFMPEG_VERSION "${CMAKE_MATCH_1}")
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endif()
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include(FindPackageHandleStandardArgs)
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find_package_handle_standard_args(FFmpeg
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FOUND_VAR FFMPEG_FOUND
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REQUIRED_VARS FFMPEG_LIBAVCODEC FFMPEG_LIBAVFORMAT FFMPEG_LIBAVUTIL FFMPEG_SWRESAMPLE FFMPEG_INCLUDE_DIR
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VERSION_VAR FFMPEG_VERSION
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)
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set(FFMPEG_FOUND "${FFmpeg_FOUND}")
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if(FFmpeg_FOUND)
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add_library(ffmpeg::ffmpeg INTERFACE IMPORTED)
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set_property(TARGET ffmpeg::ffmpeg
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PROPERTY INTERFACE_INCLUDE_DIRECTORIES ${FFMPEG_INCLUDE_DIR})
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set_property(TARGET ffmpeg::ffmpeg
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PROPERTY INTERFACE_LINK_LIBRARIES ${FFMPEG_LIBRARIES})
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endif()
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