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