Merge branch 'allen' of /data/kde/trunk/KDE/kdelibs

1 files changed, 116 insertions, 0 deletions

diff --git a/modules/FindFFmpeg.cmake b/modules/FindFFmpeg.cmake
new file mode 100644
index 00000000..d6259b0c
--- /dev/null
+++ b/modules/FindFFmpeg.cmake
@@ -0,0 +1,116 @@
+# - Try to find ffmpeg
+# Once done this will define
+#
+#  FFMPEG_FOUND - system has ffmpeg
+#  FFMPEG_INCLUDE_DIR - Include directory necessary for using the ffmpeg headers
+#  FFMPEG_LIBRARIES - Link these to use ffmpeg
+#  FFMPEG_DEFINITIONS - Compiler switches required for using ffmpeg
+
+# Copyright (c) 2006, Matthias Kretz, <kretz@kde.org>
+# Copyright (c) 2008, Alexander Neundorf, <neundorf@kde.org>
+#
+# Redistribution and use is allowed according to the terms of the BSD license.
+# For details see the accompanying COPYING-CMAKE-SCRIPTS file.
+
+
+if (FFMPEG_LIBRARIES)
+
+  # in cache already
+  set(FFMPEG_FOUND TRUE)
+
+else (FFMPEG_LIBRARIES)
+
+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)
+   pkg_check_modules(PC_LIBAVCODEC libavcodec)
+   set(FFMPEG_DEFINITIONS ${PC_LIBAVCODEC_CFLAGS_OTHER})
+
+endif (NOT WIN32)
+
+  #
+  # #include <libXXXX/XXXX.h> is the new style for FFMPEG headers
+  # This has been verified at least since 0.4.9
+  # Please do not change to the old format, since this will break for
+  # people who are using newer versions. Instead, upgrade your ffmpeg
+  # installation.
+  #
+  find_path(FFMPEG_INCLUDE_DIR libavcodec/avcodec.h
+    HINTS
+    ${PC_LIBAVCODEC_INCLUDEDIR}
+    ${PC_LIBAVCODEC_INCLUDE_DIRS}
+  )
+
+  # also search for the old style include dir, just for the purpose
+  # of giving a useful error message if an old libavcodec is installed
+  # and the user might wonder why it is not found
+  find_path(FFMPEG_INCLUDE_DIR_OLD_STYLE ffmpeg/avcodec.h
+    HINTS
+    ${PC_LIBAVCODEC_INCLUDEDIR}
+    ${PC_LIBAVCODEC_INCLUDE_DIRS}
+  )
+
+  find_library(AVCODEC_LIBRARIES NAMES avcodec
+    HINTS
+    ${PC_LIBAVCODEC_LIBDIR}
+    ${PC_LIBAVCODEC_LIBRARY_DIRS}
+  )
+
+  find_library(AVFORMAT_LIBRARIES NAMES avformat
+    HINTS
+    ${PC_LIBAVCODEC_LIBDIR}
+    ${PC_LIBAVCODEC_LIBRARY_DIRS}
+  )
+
+  find_library(AVUTIL_LIBRARIES NAMES avutil
+    HINTS
+    ${PC_LIBAVCODEC_LIBDIR}
+    ${PC_LIBAVCODEC_LIBRARY_DIRS}
+  )
+
+
+
+  set(FFMPEG_LIBRARIES )
+  if (AVCODEC_LIBRARIES)
+    set(FFMPEG_LIBRARIES ${FFMPEG_LIBRARIES} ${AVCODEC_LIBRARIES})
+  endif (AVCODEC_LIBRARIES)
+
+  if (AVFORMAT_LIBRARIES)
+    set(FFMPEG_LIBRARIES ${FFMPEG_LIBRARIES} ${AVFORMAT_LIBRARIES})
+  endif (AVFORMAT_LIBRARIES)
+
+  if (AVUTIL_LIBRARIES)
+    set(FFMPEG_LIBRARIES ${FFMPEG_LIBRARIES} ${AVUTIL_LIBRARIES})
+  endif (AVUTIL_LIBRARIES)
+
+  if (FFMPEG_LIBRARIES  AND  FFMPEG_INCLUDE_DIR)
+     set(FFMPEG_FOUND TRUE)
+  endif (FFMPEG_LIBRARIES  AND  FFMPEG_INCLUDE_DIR)
+
+  if (FFMPEG_FOUND)
+    if (NOT FFmpeg_FIND_QUIETLY)
+      message(STATUS "Found FFMPEG: ${FFMPEG_LIBRARIES} ${FFMPEG_INCLUDE_DIR}")
+    endif (NOT FFmpeg_FIND_QUIETLY)
+  else (FFMPEG_FOUND)
+    # only an old libavcodec was found ?
+    if (FFMPEG_INCLUDE_DIR_OLD_STYLE  AND NOT  FFMPEG_INCLUDE_DIR  AND NOT  FFmpeg_FIND_QUIETLY)
+      message(STATUS "Found old version of libavcodec, but a newer version is required.")
+    endif (FFMPEG_INCLUDE_DIR_OLD_STYLE  AND NOT  FFMPEG_INCLUDE_DIR  AND NOT  FFmpeg_FIND_QUIETLY)
+
+    if (FFmpeg_FIND_REQUIRED)
+      message(FATAL_ERROR "Could NOT find FFMPEG")
+    else (FFmpeg_FIND_REQUIRED)
+      if (NOT FFmpeg_FIND_QUIETLY)
+        message(STATUS "Could NOT find FFMPEG")
+      endif (NOT FFmpeg_FIND_QUIETLY)
+    endif (FFmpeg_FIND_REQUIRED)
+  endif (FFMPEG_FOUND)
+
+  mark_as_advanced(AVCODEC_LIBRARIES 
+                   AVFORMAT_LIBRARIES
+                   AVUTIL_LIBRARIES
+                   FFMPEG_INCLUDE_DIR
+                   FFMPEG_INCLUDE_DIR_OLD_STYLE)
+
+endif (FFMPEG_LIBRARIES)# AND FFMPEG_DEFINITIONS)