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# A Simple FFMPEG Finder.
# (c) Tuomas Virtanen 2016 (Licensed under MIT license)
# Usage:
# find_package(ffmpeg COMPONENTS avcodec avutil ...)
#
# Declares:
# * FFMPEG_FOUND
# * FFMPEG_INCLUDE_DIRS
# * FFMPEG_LIBRARIES
#
# Also declares ${component}_FOUND for each component, eg. avcodec_FOUND etc.
#
set(FFMPEG_SEARCH_PATHS
/usr/local
/usr
/opt
)
set(FFMPEG_COMPONENTS
avcodec
avformat
avdevice
avfilter
avresample
avutil
swresample
swscale
)
set(FFMPEG_INCLUDE_DIRS)
set(FFMPEG_LIBRARIES)
set(FFMPEG_FOUND TRUE)
# Walk through all components declared above, and try to find the ones that have been asked
foreach(comp ${FFMPEG_COMPONENTS})
list(FIND ffmpeg_FIND_COMPONENTS ${comp} _index)
if(${_index} GREATER -1)
# Component requested, try to look up the library and header for it.
find_path(${comp}_INCLUDE_DIR lib${comp}/${comp}.h
HINTS
PATH_SUFFIXES include
PATHS ${FFMPEG_SEARCH_PATHS}
)
find_library(${comp}_LIBRARY ${comp}
HINTS
PATH_SUFFIXES lib
PATHS ${FFMPEG_SEARCH_PATHS}
)
# If library and header was found, set proper variables
# Otherwise print out a warning!
if(${comp}_LIBRARY AND ${comp}_INCLUDE_DIR)
set(${comp}_FOUND TRUE)
list(APPEND FFMPEG_INCLUDE_DIRS ${${comp}_INCLUDE_DIR})
list(APPEND FFMPEG_LIBRARIES ${${comp}_LIBRARY})
else()
set(FFMPEG_FOUND FALSE)
set(${comp}_FOUND FALSE)
MESSAGE(WARNING "Could not find component: ${comp}")
endif()
# Mark the temporary variables as hidden in the ui
mark_as_advanced(${${comp}_LIBRARY} ${${comp}_INCLUDE_DIR})
endif()
endforeach()
if(FFMPEG_FOUND)
MESSAGE(STATUS "Found FFMPEG: ${FFMPEG_LIBRARIES}")
else()
MESSAGE(WARNING "Could not find FFMPEG")
endif()
mark_as_advanced(FFMPEG_COMPONENTS FFMPEG_SEARCH_PATHS)
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