mirror of https://git.suyu.dev/suyu/suyu
Merge pull request #5880 from lat9nq/ffmpeg-external
cmake: FFmpeg linking reworkmerge-requests/60/head
Ameer J
GitHub
commit
26669d9e13
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Subproject commit 6b6b9e593dd4d3aaf75f48d40a13ef03bdef9fdb
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# - Try to find ffmpeg libraries (libavcodec, libavformat and libavutil)
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# FindFFmpeg
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# Once done this will define
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# ----------
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#
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#
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# FFMPEG_FOUND - system has ffmpeg or libav
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# Copyright 2019 Citra Emulator Project
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# FFMPEG_INCLUDE_DIR - the ffmpeg include directory
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# Licensed under GPLv2 or any later version
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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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#
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#
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# Copyright (c) 2008 Andreas Schneider <mail@cynapses.org>
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# Find the native FFmpeg includes and libraries
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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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# Modified for FFmpeg-example Tuukka Pasanen 2018
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# Modified for yuzu toastUnlimted 2020
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#
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#
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# Redistribution and use is allowed according to the terms of the New
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# This module defines the following variables:
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# BSD license.
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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_INCLUDE_DIR: 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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# avutil
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# postproc
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# swresample
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# swscale
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#
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#
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include(FindPackageHandleStandardArgs)
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set(_FFmpeg_ALL_COMPONENTS
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avcodec
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find_package_handle_standard_args(FFMPEG
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avdevice
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FOUND_VAR FFMPEG_FOUND
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avfilter
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REQUIRED_VARS
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avformat
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FFMPEG_LIBRARY
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avutil
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FFMPEG_INCLUDE_DIR
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postproc
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VERSION_VAR FFMPEG_VERSION
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swresample
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swscale
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)
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)
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if(FFMPEG_LIBRARIES AND FFMPEG_INCLUDE_DIR)
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set(_FFmpeg_DEPS_avcodec avutil)
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# in cache already
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set(_FFmpeg_DEPS_avdevice avcodec avformat avutil)
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set(FFMPEG_FOUND TRUE)
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set(_FFmpeg_DEPS_avfilter avutil)
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else()
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set(_FFmpeg_DEPS_avformat avcodec avutil)
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# use pkg-config to get the directories and then use these values
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set(_FFmpeg_DEPS_postproc avutil)
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# in the FIND_PATH() and FIND_LIBRARY() calls
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set(_FFmpeg_DEPS_swresample avutil)
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find_package(PkgConfig)
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set(_FFmpeg_DEPS_swscale avutil)
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if(PKG_CONFIG_FOUND)
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pkg_check_modules(_FFMPEG_AVCODEC libavcodec)
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function(find_ffmpeg LIBNAME)
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pkg_check_modules(_FFMPEG_AVUTIL libavutil)
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if(DEFINED ENV{FFMPEG_DIR})
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pkg_check_modules(_FFMPEG_SWSCALE libswscale)
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set(FFMPEG_DIR $ENV{FFMPEG_DIR})
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endif()
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endif()
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find_path(FFMPEG_AVCODEC_INCLUDE_DIR
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if(FFMPEG_DIR)
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NAMES libavcodec/avcodec.h
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list(APPEND INCLUDE_PATHS
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PATHS ${_FFMPEG_AVCODEC_INCLUDE_DIRS}
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${FFMPEG_DIR}
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/usr/include
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${FFMPEG_DIR}/ffmpeg
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/usr/local/include
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${FFMPEG_DIR}/lib${LIBNAME}
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/opt/local/include
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${FFMPEG_DIR}/include/lib${LIBNAME}
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/sw/include
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${FFMPEG_DIR}/include/ffmpeg
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PATH_SUFFIXES ffmpeg libav)
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${FFMPEG_DIR}/include
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NO_DEFAULT_PATH
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find_library(FFMPEG_LIBAVCODEC
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NO_CMAKE_FIND_ROOT_PATH
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NAMES avcodec
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)
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PATHS ${_FFMPEG_AVCODEC_LIBRARY_DIRS}
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list(APPEND LIB_PATHS
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/usr/lib
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${FFMPEG_DIR}
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/usr/local/lib
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${FFMPEG_DIR}/lib
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/opt/local/lib
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${FFMPEG_DIR}/lib${LIBNAME}
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/sw/lib)
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NO_DEFAULT_PATH
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NO_CMAKE_FIND_ROOT_PATH
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find_library(FFMPEG_LIBAVUTIL
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)
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NAMES avutil
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PATHS ${_FFMPEG_AVUTIL_LIBRARY_DIRS}
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/usr/lib
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/usr/local/lib
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/opt/local/lib
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/sw/lib)
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find_library(FFMPEG_LIBSWSCALE
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NAMES swscale
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PATHS ${_FFMPEG_SWSCALE_LIBRARY_DIRS}
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/usr/lib
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/usr/local/lib
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/opt/local/lib
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/sw/lib)
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if(FFMPEG_LIBAVCODEC AND FFMPEG_LIBAVUTIL AND FFMPEG_LIBSWSCALE)
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set(FFMPEG_FOUND TRUE)
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endif()
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if(FFMPEG_FOUND)
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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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${FFMPEG_LIBAVUTIL}
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${FFMPEG_LIBSWSCALE})
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endif()
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if(FFMPEG_FOUND)
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if(NOT FFMPEG_FIND_QUIETLY)
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message(STATUS
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"Found FFMPEG or Libav: ${FFMPEG_LIBRARIES}, ${FFMPEG_INCLUDE_DIR}")
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endif()
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else()
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else()
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if(FFMPEG_FIND_REQUIRED)
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list(APPEND INCLUDE_PATHS
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message(FATAL_ERROR
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/usr/local/include/ffmpeg
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"Could not find libavcodec or libavutil or libswscale")
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/usr/local/include/lib${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} 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_${LIBNAME}}" PARENT_SCOPE)
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# Extract FFmpeg version from version.h
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foreach(v MAJOR MINOR MICRO)
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set(FFmpeg_${LIBNAME}_VERSION_${v} 0)
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endforeach()
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string(TOUPPER ${LIBNAME} LIBNAME_UPPER)
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file(STRINGS "${FFmpeg_INCLUDE_${LIBNAME}}/lib${LIBNAME}/version.h" _FFmpeg_VERSION_H_CONTENTS REGEX "#define LIB${LIBNAME_UPPER}_VERSION_(MAJOR|MINOR|MICRO) ")
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set(_FFmpeg_VERSION_REGEX "([0-9]+)")
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foreach(v MAJOR MINOR MICRO)
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if("${_FFmpeg_VERSION_H_CONTENTS}" MATCHES "#define LIB${LIBNAME_UPPER}_VERSION_${v}[\\t ]+${_FFmpeg_VERSION_REGEX}")
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set(FFmpeg_${LIBNAME}_VERSION_${v} "${CMAKE_MATCH_1}")
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endif()
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endforeach()
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set(FFmpeg_${LIBNAME}_VERSION "${FFmpeg_${LIBNAME}_VERSION_MAJOR}.${FFmpeg_${LIBNAME}_VERSION_MINOR}.${FFmpeg_${LIBNAME}_VERSION_MICRO}")
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set(FFmpeg_${c}_VERSION "${FFmpeg_${LIBNAME}_VERSION}" PARENT_SCOPE)
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unset(_FFmpeg_VERSION_REGEX)
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unset(_FFmpeg_VERSION_H_CONTENTS)
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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}} (version: ${FFmpeg_${LIBNAME}_VERSION})")
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endif()
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endif()
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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_INCLUDE_DIR ${FFmpeg_INCLUDE_${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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if(FFmpeg_INCLUDE_DIR)
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list(REMOVE_DUPLICATES FFmpeg_INCLUDE_DIR)
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endif()
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endif()
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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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