1 files changed, 144 insertions, 0 deletions

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+# - Try to find FFMPEG
+# Once done this will define
+#  FFMPEG_FOUND - System has FFMPEG
+#  FFMPEG_INCLUDE_DIRS - The FFMPEG include directories
+#  FFMPEG_LIBRARIES - The libraries needed to use FFMPEG
+#  FFMPEG_LIBRARY_DIRS - The directory to find FFMPEG libraries
+#
+# written by Roy Shilkrot 2013 http://www.morethantechnical.com/
+#
+
+find_package(PkgConfig)
+
+
+MACRO(FFMPEG_FIND varname shortname headername)
+
+  IF(NOT WIN32)
+                PKG_CHECK_MODULES(PC_${varname} ${shortname})
+
+                FIND_PATH(${varname}_INCLUDE_DIR "${shortname}/${headername}" 
+                        HINTS ${PC_${varname}_INCLUDEDIR} ${PC_${varname}_INCLUDE_DIRS}
+                        NO_DEFAULT_PATH
+                        )
+        ELSE()
+                FIND_PATH(${varname}_INCLUDE_DIR "${shortname}/${headername}")
+        ENDIF()
+                
+        IF(${varname}_INCLUDE_DIR STREQUAL "${varname}_INCLUDE_DIR-NOTFOUND")
+                message(STATUS "look for newer strcture")
+                IF(NOT WIN32)
+                        PKG_CHECK_MODULES(PC_${varname} "lib${shortname}")
+
+                        FIND_PATH(${varname}_INCLUDE_DIR "lib${shortname}/${headername}"
+                                HINTS ${PC_${varname}_INCLUDEDIR} ${PC_${varname}_INCLUDE_DIRS}
+                                NO_DEFAULT_PATH
+                                )
+                ELSE()
+                        FIND_PATH(${varname}_INCLUDE_DIR "lib${shortname}/${headername}")
+                        IF(${${varname}_INCLUDE_DIR} STREQUAL "${varname}_INCLUDE_DIR-NOTFOUND")
+                                #Desperate times call for desperate measures
+                                MESSAGE(STATUS "globbing...")
+                                FILE(GLOB_RECURSE ${varname}_INCLUDE_DIR "/ffmpeg*/${headername}")
+                                MESSAGE(STATUS "found: ${${varname}_INCLUDE_DIR}")
+                                IF(${varname}_INCLUDE_DIR)
+                                        GET_FILENAME_COMPONENT(${varname}_INCLUDE_DIR "${${varname}_INCLUDE_DIR}" PATH)
+                                        GET_FILENAME_COMPONENT(${varname}_INCLUDE_DIR "${${varname}_INCLUDE_DIR}" PATH)
+                                ELSE()
+                                        SET(${varname}_INCLUDE_DIR "${varname}_INCLUDE_DIR-NOTFOUND")
+                                ENDIF()
+                        ENDIF()
+                ENDIF()
+        ENDIF()
+
+
+        IF(${${varname}_INCLUDE_DIR} STREQUAL "${varname}_INCLUDE_DIR-NOTFOUND")
+                MESSAGE(STATUS "Can't find includes for ${shortname}...")
+        ELSE()
+                MESSAGE(STATUS "Found ${shortname} include dirs: ${${varname}_INCLUDE_DIR}")
+
+#               GET_DIRECTORY_PROPERTY(FFMPEG_PARENT DIRECTORY ${${varname}_INCLUDE_DIR} PARENT_DIRECTORY)
+                GET_FILENAME_COMPONENT(FFMPEG_PARENT ${${varname}_INCLUDE_DIR} PATH)
+                MESSAGE(STATUS "Using FFMpeg dir parent as hint: ${FFMPEG_PARENT}")
+
+                IF(NOT WIN32)
+                        FIND_LIBRARY(${varname}_LIBRARIES NAMES ${shortname}
+                                HINTS ${PC_${varname}_LIBDIR} ${PC_${varname}_LIBRARY_DIR} ${FFMPEG_PARENT})
+                ELSE()
+#                       FIND_PATH(${varname}_LIBRARIES "${shortname}.dll.a" HINTS ${FFMPEG_PARENT})
+                        FILE(GLOB_RECURSE ${varname}_LIBRARIES "${FFMPEG_PARENT}/*${shortname}.lib") 
+                        # GLOBing is very bad... but windows sux, this is the only thing that works
+                ENDIF()
+
+                IF(${varname}_LIBRARIES STREQUAL "${varname}_LIBRARIES-NOTFOUND")
+                        MESSAGE(STATUS "look for newer structure for library")
+                        FIND_LIBRARY(${varname}_LIBRARIES NAMES lib${shortname}
+                                HINTS ${PC_${varname}_LIBDIR} ${PC_${varname}_LIBRARY_DIR} ${FFMPEG_PARENT})
+                ENDIF()
+
+
+                IF(${varname}_LIBRARIES STREQUAL "${varname}_LIBRARIES-NOTFOUND")
+                        MESSAGE(STATUS "Can't find lib for ${shortname}...")
+                ELSE()
+                        MESSAGE(STATUS "Found ${shortname} libs: ${${varname}_LIBRARIES}")
+                ENDIF()
+
+
+                IF(NOT ${varname}_INCLUDE_DIR STREQUAL "${varname}_INCLUDE_DIR-NOTFOUND"
+                        AND NOT ${varname}_LIBRARIES STREQUAL ${varname}_LIBRARIES-NOTFOUND)
+
+                        MESSAGE(STATUS "found ${shortname}: include ${${varname}_INCLUDE_DIR} lib ${${varname}_LIBRARIES}")
+                        SET(FFMPEG_${varname}_FOUND 1)
+                        SET(FFMPEG_${varname}_INCLUDE_DIRS ${${varname}_INCLUDE_DIR})
+                        SET(FFMPEG_${varname}_LIBS ${${varname}_LIBRARIES})
+                ELSE()
+                        MESSAGE(STATUS "Can't find ${shortname}")
+                ENDIF()
+
+        ENDIF()
+
+ENDMACRO(FFMPEG_FIND)
+
+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)
+
+SET(FFMPEG_FOUND "NO")
+IF   (FFMPEG_LIBAVFORMAT_FOUND AND 
+        FFMPEG_LIBAVDEVICE_FOUND AND 
+        FFMPEG_LIBAVCODEC_FOUND AND 
+        FFMPEG_LIBAVUTIL_FOUND AND
+        FFMPEG_LIBSWSCALE_FOUND
+        )
+
+
+    SET(FFMPEG_FOUND "YES")
+
+    SET(FFMPEG_INCLUDE_DIRS ${FFMPEG_LIBAVFORMAT_INCLUDE_DIRS})
+
+    SET(FFMPEG_LIBRARY_DIRS ${FFMPEG_LIBAVFORMAT_LIBRARY_DIRS})
+
+    SET(FFMPEG_LIBRARIES
+        ${FFMPEG_LIBAVFORMAT_LIBS}
+        ${FFMPEG_LIBAVDEVICE_LIBS}
+        ${FFMPEG_LIBAVCODEC_LIBS}
+        ${FFMPEG_LIBAVUTIL_LIBS}
+        ${FFMPEG_LIBSWSCALE_LIBS}
+        )
+
+ELSE ()
+
+   MESSAGE(STATUS "Could not find FFMPEG")
+
+ENDIF()
+
+message(STATUS ${FFMPEG_LIBRARIES} ${FFMPEG_LIBAVFORMAT_LIBRARIES})
+
+include(FindPackageHandleStandardArgs)
+# handle the QUIETLY and REQUIRED arguments and set FFMPEG_FOUND to TRUE
+# if all listed variables are TRUE
+find_package_handle_standard_args(FFMPEG DEFAULT_MSG
+                                  FFMPEG_LIBRARIES FFMPEG_INCLUDE_DIRS)
+
+mark_as_advanced(FFMPEG_INCLUDE_DIRS FFMPEG_LIBRARY_DIRS FFMPEG_LIBRARIES)
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