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Very dirty Video Display
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Florian Märkl
parent
6846d61fa2
commit
76a3d67f5e
8 changed files with 391 additions and 179 deletions
193
cmake/FindFFMPEG.cmake
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193
cmake/FindFFMPEG.cmake
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#[==[
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Provides the following variables:
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* `FFMPEG_INCLUDE_DIRS`: Include directories necessary to use FFMPEG.
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* `FFMPEG_LIBRARIES`: Libraries necessary to use FFMPEG. Note that this only
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includes libraries for the components requested.
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* `FFMPEG_VERSION`: The version of FFMPEG found.
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The following components are supported:
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* `avcodec`
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* `avdevice`
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* `avfilter`
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* `avformat`
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* `avresample`
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* `avutil`
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* `swresample`
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* `swscale`
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For each component, the following are provided:
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* `FFMPEG_<component>_FOUND`: Libraries for the component.
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* `FFMPEG_<component>_INCLUDE_DIRS`: Include directories for
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the component.
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* `FFMPEG_<component>_LIBRARIES`: Libraries for the component.
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* `FFMPEG::<component>`: A target to use with `target_link_libraries`.
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Note that only components requested with `COMPONENTS` or `OPTIONAL_COMPONENTS`
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are guaranteed to set these variables or provide targets.
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#]==]
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function (_ffmpeg_find component headername)
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find_path("FFMPEG_${component}_INCLUDE_DIR"
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NAMES
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"lib${component}/${headername}"
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PATHS
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"${FFMPEG_ROOT}/include"
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~/Library/Frameworks
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/Library/Frameworks
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/usr/local/include
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/usr/include
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/sw/include # Fink
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/opt/local/include # DarwinPorts
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/opt/csw/include # Blastwave
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/opt/include
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/usr/freeware/include
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PATH_SUFFIXES
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ffmpeg
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DOC "FFMPEG's ${component} include directory")
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mark_as_advanced("FFMPEG_${component}_INCLUDE_DIR")
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# On Windows, static FFMPEG is sometimes built as `lib<name>.a`.
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if (WIN32)
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list(APPEND CMAKE_FIND_LIBRARY_SUFFIXES ".a" ".lib")
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list(APPEND CMAKE_FIND_LIBRARY_PREFIXES "" "lib")
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endif ()
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find_library("FFMPEG_${component}_LIBRARY"
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NAMES
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"${component}"
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PATHS
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"${FFMPEG_ROOT}/lib"
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~/Library/Frameworks
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/Library/Frameworks
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/usr/local/lib
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/usr/local/lib64
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/usr/lib
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/usr/lib64
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/sw/lib
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/opt/local/lib
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/opt/csw/lib
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/opt/lib
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/usr/freeware/lib64
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"${FFMPEG_ROOT}/bin"
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DOC "FFMPEG's ${component} library")
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mark_as_advanced("FFMPEG_${component}_LIBRARY")
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if (FFMPEG_${component}_LIBRARY AND FFMPEG_${component}_INCLUDE_DIR)
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set(_deps_found TRUE)
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set(_deps_link)
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foreach (_ffmpeg_dep IN LISTS ARGN)
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if (TARGET "FFMPEG::${_ffmpeg_dep}")
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list(APPEND _deps_link "FFMPEG::${_ffmpeg_dep}")
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else ()
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set(_deps_found FALSE)
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endif ()
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endforeach ()
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if (_deps_found)
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add_library("FFMPEG::${component}" UNKNOWN IMPORTED)
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set_target_properties("FFMPEG::${component}" PROPERTIES
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IMPORTED_LOCATION "${FFMPEG_${component}_LIBRARY}"
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INTERFACE_INCLUDE_DIRECTORIES "${FFMPEG_${component}_INCLUDE_DIR}"
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IMPORTED_LINK_INTERFACE_LIBRARIES "${_deps_link}")
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set("FFMPEG_${component}_FOUND" 1
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PARENT_SCOPE)
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set(version_header_path "${FFMPEG_${component}_INCLUDE_DIR}/lib${component}/version.h")
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if (EXISTS "${version_header_path}")
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string(TOUPPER "${component}" component_upper)
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file(STRINGS "${version_header_path}" version
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REGEX "#define *LIB${component_upper}_VERSION_(MAJOR|MINOR|MICRO) ")
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string(REGEX REPLACE ".*_MAJOR *\([0-9]*\).*" "\\1" major "${version}")
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string(REGEX REPLACE ".*_MINOR *\([0-9]*\).*" "\\1" minor "${version}")
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string(REGEX REPLACE ".*_MICRO *\([0-9]*\).*" "\\1" micro "${version}")
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if (NOT major STREQUAL "" AND
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NOT minor STREQUAL "" AND
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NOT micro STREQUAL "")
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set("FFMPEG_${component}_VERSION" "${major}.${minor}.${micro}"
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PARENT_SCOPE)
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endif ()
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endif ()
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else ()
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set("FFMPEG_${component}_FOUND" 0
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PARENT_SCOPE)
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set(what)
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if (NOT FFMPEG_${component}_LIBRARY)
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set(what "library")
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endif ()
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if (NOT FFMPEG_${component}_INCLUDE_DIR)
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if (what)
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string(APPEND what " or headers")
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else ()
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set(what "headers")
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endif ()
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endif ()
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set("FFMPEG_${component}_NOT_FOUND_MESSAGE"
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"Could not find the ${what} for ${component}."
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PARENT_SCOPE)
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endif ()
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endif ()
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endfunction ()
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_ffmpeg_find(avutil avutil.h)
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_ffmpeg_find(avresample avresample.h
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avutil)
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_ffmpeg_find(swresample swresample.h
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avutil)
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_ffmpeg_find(swscale swscale.h
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avutil)
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_ffmpeg_find(avcodec avcodec.h
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avutil)
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_ffmpeg_find(avformat avformat.h
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avcodec avutil)
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_ffmpeg_find(avfilter avfilter.h
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avutil)
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_ffmpeg_find(avdevice avdevice.h
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avformat avutil)
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if (TARGET FFMPEG::avutil)
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set(_ffmpeg_version_header_path "${FFMPEG_avutil_INCLUDE_DIR}/libavutil/ffversion.h")
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if (EXISTS "${_ffmpeg_version_header_path}")
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file(STRINGS "${_ffmpeg_version_header_path}" _ffmpeg_version
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REGEX "FFMPEG_VERSION")
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string(REGEX REPLACE ".*\"n?\(.*\)\"" "\\1" FFMPEG_VERSION "${_ffmpeg_version}")
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unset(_ffmpeg_version)
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else ()
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set(FFMPEG_VERSION FFMPEG_VERSION-NOTFOUND)
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endif ()
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unset(_ffmpeg_version_header_path)
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endif ()
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set(FFMPEG_INCLUDE_DIRS)
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set(FFMPEG_LIBRARIES)
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set(_ffmpeg_required_vars)
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foreach (_ffmpeg_component IN LISTS FFMPEG_FIND_COMPONENTS)
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if (TARGET "FFMPEG::${_ffmpeg_component}")
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set(FFMPEG_${_ffmpeg_component}_INCLUDE_DIRS
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"${FFMPEG_${_ffmpeg_component}_INCLUDE_DIR}")
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set(FFMPEG_${_ffmpeg_component}_LIBRARIES
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"${FFMPEG_${_ffmpeg_component}_LIBRARY}")
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list(APPEND FFMPEG_INCLUDE_DIRS
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"${FFMPEG_${_ffmpeg_component}_INCLUDE_DIRS}")
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list(APPEND FFMPEG_LIBRARIES
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"${FFMPEG_${_ffmpeg_component}_LIBRARIES}")
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if (FFMEG_FIND_REQUIRED_${_ffmpeg_component})
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list(APPEND _ffmpeg_required_vars
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"FFMPEG_${_ffmpeg_required_vars}_INCLUDE_DIRS"
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"FFMPEG_${_ffmpeg_required_vars}_LIBRARIES")
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endif ()
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endif ()
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endforeach ()
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unset(_ffmpeg_component)
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if (FFMPEG_INCLUDE_DIRS)
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list(REMOVE_DUPLICATES FFMPEG_INCLUDE_DIRS)
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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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REQUIRED_VARS FFMPEG_INCLUDE_DIRS FFMPEG_LIBRARIES ${_ffmpeg_required_vars}
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VERSION_VAR FFMPEG_VERSION
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HANDLE_COMPONENTS)
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unset(_ffmpeg_required_vars)
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@ -1,56 +0,0 @@
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# - Try to find the QtAV library
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#
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# Once done this will define
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#
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# QTAV_FOUND - system has libqtav
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# QTAV_INCLUDE_DIRS - the libqtav include directory
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# QTAV_LIBRARIES - Link these to use libqtav
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find_package(Qt5 QUIET REQUIRED NO_MODULE COMPONENTS Core)
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get_target_property(qmake Qt5::qmake LOCATION)
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execute_process(
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COMMAND ${qmake} -query QT_INSTALL_HEADERS
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OUTPUT_VARIABLE QT_INSTALL_HEADERS
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OUTPUT_STRIP_TRAILING_WHITESPACE
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)
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execute_process(
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COMMAND ${qmake} -query QT_INSTALL_LIBS
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OUTPUT_VARIABLE QT_INSTALL_LIBS
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OUTPUT_STRIP_TRAILING_WHITESPACE
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)
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find_path(QTAV_INCLUDE_DIR NAMES QtAV.h
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HINTS ${QT_INSTALL_HEADERS}
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PATH_SUFFIXES QtAV
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)
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find_library(QTAV_LIBRARY NAMES QtAV QtAV1
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HINTS ${QT_INSTALL_LIBS}
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)
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find_path(QTAVWIDGETS_INCLUDE_DIR NAMES QtAVWidgets.h
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HINTS ${QT_INSTALL_HEADERS}
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PATH_SUFFIXES QtAVWidgets
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)
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find_library(QTAVWIDGETS_LIBRARY NAMES QtAVWidgets QtAVWidgets1
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HINTS ${QT_INSTALL_LIBS}
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)
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set(QTAV_INCLUDE_DIRS ${QTAV_INCLUDE_DIR} ${QTAV_INCLUDE_DIR}/..)
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set(QTAV_LIBRARIES ${QTAV_LIBRARY})
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if(NOT QTAVWIDGETS_INCLUDE_DIR MATCHES "QTAVWIDGETS_INCLUDE_DIR-NOTFOUND")
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set(QTAVWIDGETS_INCLUDE_DIRS ${QTAVWIDGETS_INCLUDE_DIR} ${QTAVWIDGETS_INCLUDE_DIR}/.. ${QTAV_INCLUDE_DIRS})
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endif()
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if(NOT QTAV_LIBRARIES MATCHES "QTAV_LIBRARIES-NOTFOUND")
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set(QTAVWIDGETS_LIBRARIES ${QTAVWIDGETS_LIBRARY} ${QTAV_LIBRARY})
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endif()
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find_package(PackageHandleStandardArgs REQUIRED)
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find_package_handle_standard_args(QtAV REQUIRED_VARS QTAV_LIBRARIES QTAV_INCLUDE_DIRS)
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mark_as_advanced(QTAV_INCLUDE_DIRS QTAV_LIBRARIES QTAVWIDGETS_INCLUDE_DIRS QTAVWIDGETS_LIBRARIES)
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message("QtAV_FOUND = ${QTAV_FOUND}")
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message("QTAV_INCLUDE_DIRS = ${QTAV_INCLUDE_DIRS}")
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message("QTAV_LIBRARIES = ${QTAV_LIBRARIES}")
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message("QTAVWIDGETS_INCLUDE_DIRS = ${QTAVWIDGETS_INCLUDE_DIRS}")
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message("QTAVWIDGETS_LIBRARIES = ${QTAVWIDGETS_LIBRARIES}")
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