Campbell Barton
3e101759b1
This is an old convention that hasn't been used by Blender or CMake distributed Find* files for a long time.
84 lines
2.4 KiB
CMake
84 lines
2.4 KiB
CMake
# - Find FFmpeg library and includes.
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# Set FFMPEG_FIND_COMPONENTS to the canonical names of the libraries
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# before using the module.
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# This module defines
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# FFMPEG_INCLUDE_DIRS, where to find libavcodec/ac3_parser.h.
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# FFMPEG_LIBRARIES, libraries to link against to use FFmpeg.
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# FFMPEG_ROOT_DIR, The base directory to search for FFmpeg.
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# This can also be an environment variable.
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# FFMPEG_FOUND, If false, do not try to use FFmpeg.
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# FFMPEG_<COMPONENT>_LIBRARY, the given individual component libraries.
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#=============================================================================
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# Copyright 2020 Blender Foundation.
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#
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# Distributed under the OSI-approved BSD 3-Clause License,
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# see accompanying file BSD-3-Clause-license.txt for details.
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#=============================================================================
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# If FFMPEG_ROOT_DIR was defined in the environment, use it.
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if(NOT FFMPEG_ROOT_DIR AND NOT $ENV{FFMPEG_ROOT_DIR} STREQUAL "")
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set(FFMPEG_ROOT_DIR $ENV{FFMPEG_ROOT_DIR})
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endif()
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set(_ffmpeg_SEARCH_DIRS
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${FFMPEG_ROOT_DIR}
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/opt/lib/ffmpeg
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)
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if(NOT FFMPEG_FIND_COMPONENTS)
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set(FFMPEG_FIND_COMPONENTS
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# List taken from http://ffmpeg.org/download.html#build-mac
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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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)
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endif()
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find_path(_ffmpeg_INCLUDE_DIR
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NAMES
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libavcodec/ac3_parser.h
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HINTS
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${_ffmpeg_SEARCH_DIRS}
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PATH_SUFFIXES
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include
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)
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set(_ffmpeg_LIBRARIES)
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foreach(_component ${FFMPEG_FIND_COMPONENTS})
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string(TOUPPER ${_component} _upper_COMPONENT)
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find_library(FFMPEG_${_upper_COMPONENT}_LIBRARY
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NAMES
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${_upper_COMPONENT}
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HINTS
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${LIBDIR}/ffmpeg
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PATH_SUFFIXES
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lib64 lib
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)
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if(NOT FFMPEG_${_upper_COMPONENT}_LIBRARY)
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message(WARNING "Could NOT find FFmpeg ${_upper_COMPONENT}.")
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endif()
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list(APPEND _ffmpeg_LIBRARIES ${FFMPEG_${_upper_COMPONENT}_LIBRARY})
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mark_as_advanced(FFMPEG_${_upper_COMPONENT}_LIBRARY)
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endforeach()
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# handle the QUIETLY and REQUIRED arguments and set FFMPEG_FOUND to TRUE if
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# all listed variables are TRUE
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include(FindPackageHandleStandardArgs)
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find_package_handle_standard_args(FFmpeg DEFAULT_MSG
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_ffmpeg_LIBRARIES _ffmpeg_INCLUDE_DIR)
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IF(FFMPEG_FOUND)
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set(FFMPEG_LIBRARIES ${_ffmpeg_LIBRARIES})
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set(FFMPEG_INCLUDE_DIRS ${_ffmpeg_INCLUDE_DIR})
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ENDIF()
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mark_as_advanced(
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FFMPEG_INCLUDE_DIR
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)
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unset(_ffmpeg_SEARCH_DIRS)
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unset(_ffmpeg_LIBRARIES)
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unset(_ffmpeg_INCLUDE_DIR)
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