# Locate ffmpeg # This module defines # FFMPEG_LIBRARIES # FFMPEG_FOUND, if false, do not try to link to ffmpeg # FFMPEG_INCLUDE_DIR, where to find the headers # # $FFMPEG_DIR is an environment variable that would # correspond to the ./configure --prefix=$FFMPEG_DIR # # Created by Robert Osfield. #In ffmpeg code, old version use "#include " and newer use "#include " #In OSG ffmpeg plugin, we use "#include " for compatibility with old version of ffmpeg #We have to search the path which contain the header.h (usefull for old version) #and search the path which contain the libname/header.h (usefull for new version) #Then we need to include ${FFMPEG_libname_INCLUDE_DIRS} (in old version case, use by ffmpeg header and osg plugin code) # (in new version case, use by ffmpeg header) #and ${FFMPEG_libname_INCLUDE_DIRS/libname} (in new version case, use by osg plugin code) # 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 ${headername} HINTS ${FFMPEG_ROOT}/include $ENV{FFMPEG_DIR}/include $ENV{OSGDIR}/include $ENV{OSG_ROOT}/include PATHS ~/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" ) # newer version of ffmpeg put header in $prefix/include/[ffmpeg/]lib${shortname} # so try to find lib${shortname}/header in include directory IF(NOT FFMPEG_${varname}_INCLUDE_DIRS) FIND_PATH(FFMPEG_${varname}_INCLUDE_DIRS lib${shortname}/${headername} HINTS ${FFMPEG_ROOT}/include $ENV{FFMPEG_DIR}/include $ENV{OSGDIR}/include $ENV{OSG_ROOT}/include PATHS ~/Library/Frameworks /Library/Frameworks /usr/local/include /usr/include/ /sw/include # Fink /opt/local/include # DarwinPorts /opt/csw/include # Blastwave /opt/include /usr/freeware/include PATH_SUFFIXES ffmpeg DOC "Location of FFMPEG Headers" ) ENDIF(NOT FFMPEG_${varname}_INCLUDE_DIRS) FIND_LIBRARY(FFMPEG_${varname}_LIBRARIES NAMES ${shortname} HINTS ${FFMPEG_ROOT}/lib $ENV{FFMPEG_DIR}/lib $ENV{OSGDIR}/lib $ENV{OSG_ROOT}/lib PATHS ~/Library/Frameworks /Library/Frameworks /usr/local/lib /usr/local/lib64 /usr/lib /usr/lib64 /sw/lib /opt/local/lib /opt/csw/lib /opt/lib /usr/freeware/lib64 DOC "Location of FFMPEG Libraries" ) IF (FFMPEG_${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") 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(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 here, it's optional. IF (FFMPEG_LIBAVFORMAT_FOUND AND FFMPEG_LIBAVDEVICE_FOUND AND FFMPEG_LIBAVCODEC_FOUND AND FFMPEG_LIBAVUTIL_FOUND) SET(FFMPEG_FOUND "YES") SET(FFMPEG_INCLUDE_DIRS ${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}) ELSE (FFMPEG_LIBAVFORMAT_FOUND AND FFMPEG_LIBAVDEVICE_FOUND AND FFMPEG_LIBAVCODEC_FOUND AND FFMPEG_LIBAVUTIL_FOUND) # MESSAGE(STATUS "Could not find FFMPEG") ENDIF(FFMPEG_LIBAVFORMAT_FOUND AND FFMPEG_LIBAVDEVICE_FOUND AND FFMPEG_LIBAVCODEC_FOUND AND FFMPEG_LIBAVUTIL_FOUND)