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FindFFMPEG.cmake
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FindFFMPEG.cmake
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#
# Find the native FFMPEG includes and library
# This module defines
# FFMPEG_INCLUDE_DIR, where to find avcodec.h, avformat.h ...
# FFMPEG_LIBRARIES, the libraries to link against to use FFMPEG.
# FFMPEG_FOUND, If false, do not try to use FFMPEG.
# FFMPEG_ROOT, if this module use this path to find FFMPEG headers
# and libraries.
# Macro to find header and lib directories
# example: FFMPEG_FIND(AVFORMAT avformat avformat.h)
MACRO(FFMPEG_FIND varname shortname headername)
# old version of ffmpeg put header in $prefix/include/[ffmpeg]
# so try to find header in include directory
FIND_PATH(FFMPEG_${varname}_INCLUDE_DIRS lib${shortname}/${headername}
PATHS
${FFMPEG_ROOT}/include/lib${shortname}
$ENV{FFMPEG_DIR}/include/lib${shortname}
~/Library/Frameworks/lib${shortname}
/Library/Frameworks/lib${shortname}
/usr/local/include/lib${shortname}
/usr/include/lib${shortname}
/sw/include/lib${shortname} # Fink
/opt/local/include/lib${shortname} # DarwinPorts
/opt/csw/include/lib${shortname} # Blastwave
/opt/include/lib${shortname}
/usr/freeware/include/lib${shortname}
PATH_SUFFIXES ffmpeg
DOC "Location of FFMPEG Headers"
)
FIND_PATH(FFMPEG_${varname}_INCLUDE_DIRS lib${shortname}/${headername}
PATHS
${FFMPEG_ROOT}/include
$ENV{FFMPEG_DIR}/include
~/Library/Frameworks
/Library/Frameworks
/usr/local/include
/usr/include
/sw/include # Fink
/opt/local/include # DarwinPorts
/opt/csw/include # Blastwave
/opt/include
/usr/freeware/include
PATH_SUFFIXES ffmpeg
DOC "Location of FFMPEG Headers"
)
# on windows static ffmpeg is put in lib/lib<name>.a
# and shared it is put in bin/<name>.lib
if (WIN32)
list(APPEND CMAKE_FIND_LIBRARY_SUFFIXES ".a" ".lib")
list(APPEND CMAKE_FIND_LIBRARY_PREFIXES "" "lib")
endif()
FIND_LIBRARY(FFMPEG_${varname}_LIBRARIES
NAMES ${shortname}
PATHS
${FFMPEG_ROOT}/lib
$ENV{FFMPEG_DIR}/lib
~/Library/Frameworks
/Library/Frameworks
/usr/local/lib
/usr/local/lib64
/usr/lib
/usr/lib64
/sw/lib
/opt/local/lib
/opt/csw/lib
/opt/lib
/usr/freeware/lib64
${FFMPEG_ROOT}/bin # on windows shared they install the .lib in bin
DOC "Location of FFMPEG Libraries"
)
IF (FFMPEG_${varname}_LIBRARIES AND FFMPEG_${varname}_INCLUDE_DIRS)
SET(FFMPEG_${varname}_FOUND 1)
ENDIF(FFMPEG_${varname}_LIBRARIES AND FFMPEG_${varname}_INCLUDE_DIRS)
ENDMACRO(FFMPEG_FIND)
SET(FFMPEG_ROOT "$ENV{FFMPEG_DIR}" CACHE PATH "Location of FFMPEG")
# find stdint.h
IF(WIN32)
FIND_PATH(FFMPEG_STDINT_INCLUDE_DIR stdint.h
PATHS
${FFMPEG_ROOT}/include
$ENV{FFMPEG_DIR}/include
~/Library/Frameworks
/Library/Frameworks
/usr/local/include
/usr/include
/sw/include # Fink
/opt/local/include # DarwinPorts
/opt/csw/include # Blastwave
/opt/include
/usr/freeware/include
PATH_SUFFIXES ffmpeg
DOC "Location of FFMPEG stdint.h Header"
)
IF (FFMPEG_STDINT_INCLUDE_DIR)
SET(STDINT_OK TRUE)
ENDIF()
ELSE()
SET(STDINT_OK TRUE)
ENDIF()
FFMPEG_FIND(LIBAVFORMAT avformat avformat.h)
FFMPEG_FIND(LIBAVDEVICE avdevice avdevice.h)
FFMPEG_FIND(LIBAVCODEC avcodec avcodec.h)
FFMPEG_FIND(LIBAVUTIL avutil avutil.h)
FFMPEG_FIND(LIBSWRESAMPLE swresample swresample.h)
FFMPEG_FIND(LIBSWSCALE swscale swscale.h) # not sure about the header to look for here.
SET(FFMPEG_FOUND "NO")
# Note we don't check FFMPEG_LIBSWSCALE_FOUND, FFMPEG_LIBAVDEVICE_FOUND,
# and FFMPEG_LIBAVUTIL_FOUND as they are optional.
IF (FFMPEG_LIBAVFORMAT_FOUND AND FFMPEG_LIBAVCODEC_FOUND AND STDINT_OK)
SET(FFMPEG_FOUND "YES")
SET(FFMPEG_INCLUDE_DIR ${FFMPEG_LIBAVFORMAT_INCLUDE_DIRS})
SET(FFMPEG_LIBRARY_DIRS ${FFMPEG_LIBAVFORMAT_LIBRARY_DIRS})
# Note we don't add FFMPEG_LIBSWSCALE_LIBRARIES here,
# it will be added if found later.
SET(FFMPEG_LIBRARIES
${FFMPEG_LIBAVFORMAT_LIBRARIES}
${FFMPEG_LIBAVDEVICE_LIBRARIES}
${FFMPEG_LIBAVCODEC_LIBRARIES}
${FFMPEG_LIBAVUTIL_LIBRARIES}
${FFMPEG_LIBSWSCALE_LIBRARIES})
ENDIF()