[libstreamanalyzer] /: Switch to the new unified FindFFmpeg.cmake file.

Michael Jansen kde at michael-jansen.biz
Tue Jun 28 20:56:33 CEST 2011


Git commit bb733a4fa0494ac4ca0303a2819746e87da7c875 by Michael Jansen.
Committed on 28/06/2011 at 20:58.
Pushed by mjansen into branch 'master'.

Switch to the new unified FindFFmpeg.cmake file.

CCMAIL: kde-buildsystem at kde.org
CCMAIL: strigi-devel at lists.sourceforge.net

M  +1    -1    CMakeLists.txt     
D  +0    -213  cmake/FindFFMPEG.cmake     
A  +146  -0    cmake/FindFFmpeg.cmake     

http://commits.kde.org/libstreamanalyzer/bb733a4fa0494ac4ca0303a2819746e87da7c875

diff --git a/CMakeLists.txt b/CMakeLists.txt
index d75dd66..ebc1905 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -83,7 +83,7 @@ find_package(Boost REQUIRED)
 find_optional_dep(CLucene ENABLE_CLUCENE CLucene_FOUND "CLucene backend")
 find_optional_dep(CLucene1 ENABLE_CLUCENE_NG CLUCENE1_FOUND "CLucene Version 1+ backend")
 find_optional_dep(Exiv2 ENABLE_EXIV2 EXIV2_FOUND "indexing of EXIF/IPTC metadata")
-find_optional_dep(FFMPEG ENABLE_FFMPEG FFMPEG_FOUND "indexing FFMPEG")
+find_optional_dep(FFmpeg ENABLE_FFMPEG FFMPEG_FOUND "indexing FFMPEG" COMPONENTS AVCODEC AVFORMAT AVUTIL SWSCALE)
 find_package(XAttr)
 include(ConfigureChecks.cmake)
 configure_file(LibStreamAnalyzer.cmake.in ${CMAKE_CURRENT_BINARY_DIR}/LibStreamAnalyzerConfig.cmake @ONLY )
diff --git a/cmake/FindFFMPEG.cmake b/cmake/FindFFMPEG.cmake
deleted file mode 100644
index 14798a3..0000000
--- a/cmake/FindFFMPEG.cmake
+++ /dev/null
@@ -1,213 +0,0 @@
-# - Try to find FFMPEG
-# Once done this will define
-#
-#  FFMPEG_FOUND - system has FFMPEG
-#  FFMPEG_INCLUDE_DIRS - the FFMPEG include directory
-#  FFMPEG_LIBRARIES - Link these to use FFMPEG
-#  FFMPEG_DEFINITIONS - Compiler switches required for using FFMPEG
-#
-#  Copyright (c) 2008 Andreas Schneider <mail at cynapses.org>
-#  Copyright (c) 2010 Christophe Giboudeaux <cgiboudeaux at gmail.com>
-#
-#  Redistribution and use is allowed according to the terms of the New
-#  BSD license.
-#  For details see the accompanying COPYING-CMAKE-SCRIPTS file.
-#
-
-if (FFMPEG_LIBRARIES AND FFMPEG_INCLUDE_DIRS)
-  # in cache already
-  set(FFMPEG_FOUND TRUE)
-else (FFMPEG_LIBRARIES AND FFMPEG_INCLUDE_DIRS)
-
-  # use pkg-config to get the directories and then use these values
-  # in the FIND_PATH() and FIND_LIBRARY() calls
-  if (NOT WIN32)
-    include(FindPkgConfig)
-    pkg_check_modules(_AVCODEC libavcodec)
-    pkg_check_modules(_AVFORMAT libavformat)
-    pkg_check_modules(_AVUTIL libavutil)
-    #pkg_check_modules(_POSTPROC libpostproc)
-    pkg_check_modules(_SWSCALE libswscale)
-
-  endif (NOT WIN32)
-
-  find_library(AVCODEC_LIBRARY
-    NAMES
-      avcodec
-    PATHS
-      ${_AVCODEC_LIBDIR}
-      /usr/lib
-      /usr/local/lib
-      /opt/local/lib
-      /sw/lib
-    NO_DEFAULT_PATH
-  )
-
-  find_path(AVCODEC_INCLUDE_DIR
-    NAMES
-      avcodec.h
-    PATHS
-     ${_AVCODEC_INCLUDEDIR}
-      /usr/include
-      /usr/local/include
-      /opt/local/include
-      /sw/include
-    PATH_SUFFIXES
-      libavcodec
-      ffmpeg
-    NO_DEFAULT_PATH
-  )
-
-  if(AVCODEC_LIBRARY AND AVCODEC_INCLUDE_DIR)
-    set(AVCODEC_FOUND TRUE)
-    mark_as_advanced(AVCODEC_LIBRARY AVCODEC_INCLUDE_DIR)
-  endif(AVCODEC_LIBRARY AND AVCODEC_INCLUDE_DIR)
-
-  find_library(AVFORMAT_LIBRARY
-    NAMES
-      avformat
-    PATHS
-      ${_AVFORMAT_LIBDIR}
-      /usr/lib
-      /usr/local/lib
-      /opt/local/lib
-      /sw/lib
-    NO_DEFAULT_PATH
-  )
-
-  find_path(AVFORMAT_INCLUDE_DIR
-    NAMES
-      avformat.h
-    PATHS
-      ${_AVFORMAT_INCLUDEDIR}
-      /usr/include
-      /usr/local/include
-      /opt/local/include
-      /sw/include
-    PATH_SUFFIXES
-      libavformat
-      ffmpeg
-    NO_DEFAULT_PATH
-  )
-
-  if(AVFORMAT_LIBRARY AND AVFORMAT_INCLUDE_DIR)
-    set(AVFORMAT_FOUND TRUE)
-    mark_as_advanced(AVFORMAT_LIBRARY AVFORMAT_INCLUDE_DIR)
-  endif(AVFORMAT_LIBRARY AND AVFORMAT_INCLUDE_DIR)
-
-  find_library(AVUTIL_LIBRARY
-    NAMES
-      avutil
-    PATHS
-      ${_AVUTIL_LIBDIR}
-      /usr/lib
-      /usr/local/lib
-      /opt/local/lib
-      /sw/lib
-    NO_DEFAULT_PATH
-  )
-  mark_as_advanced(AVUTIL_LIBRARY)
-
-  find_path(AVUTIL_INCLUDE_DIR
-    NAMES
-      avutil.h
-    PATHS
-      ${_AVUTIL_INCLUDEDIR}
-      /usr/include
-      /usr/local/include
-      /opt/local/include
-      /sw/include
-    PATH_SUFFIXES
-      libavutil
-      ffmpeg
-    NO_DEFAULT_PATH
-  )
-
-  if(AVUTIL_LIBRARY AND AVUTIL_INCLUDE_DIR)
-    set(AVUTIL_FOUND TRUE)
-    mark_as_advanced(AVUTIL_LIBRARY AVUTIL_INCLUDE_DIR)
-  endif(AVUTIL_LIBRARY AND AVUTIL_INCLUDE_DIR)
-
-  find_library(SWSCALE_LIBRARY
-    NAMES
-      swscale
-    PATHS
-      ${_SWSCALE_LIBDIR}
-      /usr/lib
-      /usr/local/lib
-      /opt/local/lib
-      /sw/lib
-    NO_DEFAULT_PATH
-  )
-
-  find_path(SWSCALE_INCLUDE_DIR
-    NAMES
-      swscale.h
-    PATHS
-      ${_SWSCALE_INCLUDEDIR}
-      /usr/include
-      /usr/local/include
-      /opt/local/include
-      /sw/include
-    PATH_SUFFIXES
-      libswscale
-      ffmpeg
-    NO_DEFAULT_PATH
-  )
-
-  if(SWSCALE_LIBRARY AND SWSCALE_INCLUDE_DIR)
-    set(SWSCALE_FOUND TRUE)
-  mark_as_advanced(SWSCALE_LIBRARY SWSCALE_INCLUDE_DIR)
-  endif(SWSCALE_LIBRARY AND SWSCALE_INCLUDE_DIR)
-
-  #  find_library(POSTPROC_LIBRARY
-  #    NAMES
-  #      postproc
-  #    PATHS
-  #      ${_POSTPROC_LIBDIR}
-  #      /usr/lib
-  #      /usr/local/lib
-  #      /opt/local/lib
-  #      /sw/lib
-  #    NO_DEFAULT_PATH
-  #  )
-  #  mark_as_advanced(POSTPROC_LIBRARY)
-
-  #  find_path(POSTPROC_INCLUDE_DIR
-  #    NAMES
-  #      postprocess.h
-  #    PATHS
-  #      ${_POSTPROC_INCLUDEDIR}
-  #      /usr/include/postproc
-  #      /usr/local/include/postproc
-  #      /opt/local/include/postproc
-  #      /sw/include
-  #    PATH_SUFFIXES
-  #      libpostproc
-  #      ffmpeg
-  #  )
-  #  mark_as_advanced(POSTPROC_INCLUDE_DIR)
-
-  # if(POSTPROC_LIBRARY AND POSTPROC_INCLUDE_DIR)
-  #   set(SWSCALE_FOUND TRUE)
-  # mark_as_advanced(POSTPROC_LIBRARY POSTPROC_INCLUDE_DIR)
-  # endif(POSTPROC_LIBRARY AND POSTPROC_INCLUDE_DIR)
-
-  if(AVCODEC_FOUND AND AVFORMAT_FOUND AND AVUTIL_FOUND AND SWSCALE_FOUND)
-    set (FFMPEG_LIBRARIES
-        ${AVCODEC_LIBRARY}
-        ${AVFORMAT_LIBRARY}
-        ${AVUTIL_LIBRARY}
-        ${SWSCALE_LIBRARY}
-    )
-    set(FFMPEG_INCLUDE_DIRS
-        ${AVCODEC_INCLUDE_DIR}
-        ${AVFORMAT_INCLUDE_DIR}
-        ${AVUTIL_INCLUDE_DIR}
-        ${SWSCALE_INCLUDE_DIR}
-    )
-    set(FFMPEG_FOUND TRUE)
-    mark_as_advanced(FFMPEG_INCLUDE_DIRS FFMPEG_LIBRARIES)
-  endif(AVCODEC_FOUND AND AVFORMAT_FOUND AND AVUTIL_FOUND AND SWSCALE_FOUND)
-
-endif (FFMPEG_LIBRARIES AND FFMPEG_INCLUDE_DIRS)
diff --git a/cmake/FindFFmpeg.cmake b/cmake/FindFFmpeg.cmake
new file mode 100644
index 0000000..f4e57cd
--- /dev/null
+++ b/cmake/FindFFmpeg.cmake
@@ -0,0 +1,146 @@
+# vim: ts=2 sw=2
+# - Try to find the required ffmpeg components(default: AVFORMAT, AVUTIL, AVCODEC)
+#
+# Once done this will define
+#  FFMPEG_FOUND         - System has the all required components.
+#  FFMPEG_INCLUDE_DIRS  - Include directory necessary for using the required components headers.
+#  FFMPEG_LIBRARIES     - Link these to use the required ffmpeg components.
+#  FFMPEG_DEFINITIONS   - Compiler switches required for using the required ffmpeg components.
+#
+# For each of the components it will additionaly set.
+#   - AVCODEC
+#   - AVDEVICE
+#   - AVFORMAT
+#   - AVUTIL
+#   - POSTPROCESS
+#   - SWSCALE
+# the following variables will be defined
+#  <component>_FOUND        - System has <component>
+#  <component>_INCLUDE_DIRS - Include directory necessary for using the <component> headers
+#  <component>_LIBRARIES    - Link these to use <component>
+#  <component>_DEFINITIONS  - Compiler switches required for using <component>
+#  <component>_VERSION      - The components version
+#
+# Copyright (c) 2006, Matthias Kretz, <kretz at kde.org>
+# Copyright (c) 2008, Alexander Neundorf, <neundorf at kde.org>
+# Copyright (c) 2011, Michael Jansen, <kde at michael-jansen.biz>
+#
+# Redistribution and use is allowed according to the terms of the BSD license.
+# For details see the accompanying COPYING-CMAKE-SCRIPTS file.
+
+include(FindPackageHandleStandardArgs)
+
+# The default components were taken from a survey over other FindFFMPEG.cmake files
+if (NOT FFmpeg_FIND_COMPONENTS)
+  set(FFmpeg_FIND_COMPONENTS AVCODEC AVFORMAT AVUTIL)
+endif ()
+
+#
+### Macro: set_component_found
+#
+# Marks the given component as found if both *_LIBRARIES AND *_INCLUDE_DIRS is present.
+#
+macro(set_component_found _component )
+  if (${_component}_LIBRARIES AND ${_component}_INCLUDE_DIRS)
+    # message(STATUS "  - ${_component} found.")
+    set(${_component}_FOUND TRUE)
+  else ()
+    # message(STATUS "  - ${_component} not found.")
+  endif ()
+endmacro()
+
+#
+### Macro: find_component
+#
+# Checks for the given component by invoking pkgconfig and then looking up the libraries and
+# include directories.
+#
+macro(find_component _component _pkgconfig _library _header)
+
+  if (NOT WIN32)
+     # use pkg-config to get the directories and then use these values
+     # in the FIND_PATH() and FIND_LIBRARY() calls
+     find_package(PkgConfig)
+     if (PKG_CONFIG_FOUND)
+       pkg_check_modules(PC_${_component} ${_pkgconfig})
+     endif ()
+  endif (NOT WIN32)
+
+  find_path(${_component}_INCLUDE_DIRS ${_header}
+    HINTS
+      ${PC_LIB${_component}_INCLUDEDIR}
+      ${PC_LIB${_component}_INCLUDE_DIRS}
+  )
+
+  find_library(${_component}_LIBRARIES NAMES ${_library}
+      HINTS
+      ${PC_LIB${_component}_LIBDIR}
+      ${PC_LIB${_component}_LIBRARY_DIRS}
+  )
+
+  set(${_component}_DEFINITIONS  ${PC_${_component}_CFLAGS_OTHER} CACHE STRING "The ${_component} CFLAGS.")
+  set(${_component}_VERSION      ${PC_${_component}_VERSION}      CACHE STRING "The ${_component} version number.")
+
+  set_component_found(${_component})
+
+  mark_as_advanced(
+    ${_component}_INCLUDE_DIRS
+    ${_component}_LIBRARIES
+    ${_component}_DEFINITIONS
+    ${_component}_VERSION)
+
+endmacro()
+
+
+# Check for cached results. If there are skip the costly part.
+if (NOT FFMPEG_LIBRARIES)
+
+  # Check for all possible component.
+  find_component(AVCODEC  libavcodec  avcodec  libavcodec/avcodec.h)
+  find_component(AVFORMAT libavformat avformat libavformat/avformat.h)
+  find_component(AVDEVICE libavdevice avdevice libavdevice/avdevice.h)
+  find_component(AVUTIL   libavutil   avutil   libavutil/avutil.h)
+  find_component(SWSCALE  libswscale  swscale  libswscale/swscale.h)
+  find_component(POSTPROC libpostproc postproc libpostproc/postprocess.h)
+
+  # Check if the required components were found and add their stuff to the FFMPEG_* vars.
+  foreach (_component ${FFmpeg_FIND_COMPONENTS})
+    if (${_component}_FOUND)
+      # message(STATUS "Required component ${_component} present.")
+      set(FFMPEG_LIBRARIES   ${FFMPEG_LIBRARIES}   ${${_component}_LIBRARIES})
+      set(FFMPEG_DEFINITIONS ${FFMPEG_DEFINITIONS} ${${_component}_DEFINITIONS})
+      list(APPEND FFMPEG_INCLUDE_DIRS ${${_component}_INCLUDE_DIRS})
+    else ()
+      # message(STATUS "Required component ${_component} missing.")
+    endif ()
+  endforeach ()
+
+  # Build the include path with duplicates removed.
+  if (FFMPEG_INCLUDE_DIRS)
+    list(REMOVE_DUPLICATES FFMPEG_INCLUDE_DIRS)
+  endif ()
+
+  # cache the vars.
+  set(FFMPEG_INCLUDE_DIRS ${FFMPEG_INCLUDE_DIRS} CACHE STRING "The FFmpeg include directories." FORCE)
+  set(FFMPEG_LIBRARIES    ${FFMPEG_LIBRARIES}    CACHE STRING "The FFmpeg libraries." FORCE)
+  set(FFMPEG_DEFINITIONS  ${FFMPEG_DEFINITIONS}  CACHE STRING "The FFmpeg cflags." FORCE)
+
+  mark_as_advanced(FFMPEG_INCLUDE_DIRS
+                   FFMPEG_LIBRARIES
+                   FFMPEG_DEFINITIONS)
+
+endif ()
+
+# Now set the noncached _FOUND vars for the components.
+foreach (_component AVCODEC AVDEVICE AVFORMAT AVUTIL POSTPROCESS SWSCALE)
+  set_component_found(${_component})
+endforeach ()
+
+# Compile the list of required vars
+set(_FFmpeg_REQUIRED_VARS FFMPEG_LIBRARIES FFMPEG_INCLUDE_DIRS)
+foreach (_component ${FFmpeg_FIND_COMPONENTS})
+  list(APPEND _FFmpeg_REQUIRED_VARS ${_component}_LIBRARIES ${_component}_INCLUDE_DIRS)
+endforeach ()
+
+# Give a nice error message if some of the required vars are missing.
+find_package_handle_standard_args(FFmpeg DEFAULT_MSG ${_FFmpeg_REQUIRED_VARS})


More information about the Kde-buildsystem mailing list