cmake/modules/FindGStreamer.cmake

   1 # - Try to find GStreamer
   2 # Once done this will define
   3 #
   4 #  GSTREAMER_FOUND - system has GStreamer
   5 #  GSTREAMER_INCLUDE_DIR - the GStreamer include directory
   6 #  GSTREAMER_LIBRARIES - the libraries needed to use GStreamer
   7 #  GSTREAMER_DEFINITIONS - Compiler switches required for using GStreamer
   8
   9 # Copyright (c) 2006, Tim Beaulen <tbscope@gmail.com>
  10 #
  11 # Redistribution and use is allowed according to the terms of the BSD license.
  12 # For details see the accompanying COPYING-CMAKE-SCRIPTS file.
  13
  14 # TODO: Other versions --> GSTREAMER_X_Y_FOUND (Example: GSTREAMER_0_8_FOUND and GSTREAMER_0_10_FOUND etc)
  15
  16 IF (GSTREAMER_INCLUDE_DIR AND GSTREAMER_LIBRARIES AND GSTREAMER_BASE_LIBRARY AND GSTREAMER_INTERFACE_LIBRARY)
  17    # in cache already
  18    SET(GStreamer_FIND_QUIETLY TRUE)
  19 ELSE (GSTREAMER_INCLUDE_DIR AND GSTREAMER_LIBRARIES AND GSTREAMER_BASE_LIBRARY AND GSTREAMER_INTERFACE_LIBRARY)
  20    SET(GStreamer_FIND_QUIETLY FALSE)
  21 ENDIF (GSTREAMER_INCLUDE_DIR AND GSTREAMER_LIBRARIES AND GSTREAMER_BASE_LIBRARY AND GSTREAMER_INTERFACE_LIBRARY)
  22
  23 IF (NOT WIN32)
  24    # use pkg-config to get the directories and then use these values
  25    # in the FIND_PATH() and FIND_LIBRARY() calls
  26    FIND_PACKAGE(PkgConfig)
  27    PKG_CHECK_MODULES(PC_GSTREAMER gstreamer-0.10)
  28    #MESSAGE(STATUS "DEBUG: GStreamer include directory = ${GSTREAMER_INCLUDE_DIRS}")
  29    #MESSAGE(STATUS "DEBUG: GStreamer link directory = ${GSTREAMER_LIBRARY_DIRS}")
  30    #MESSAGE(STATUS "DEBUG: GStreamer CFlags = ${GSTREAMER_CFLAGS_OTHER}")
  31    SET(GSTREAMER_DEFINITIONS ${PC_GSTREAMER_CFLAGS_OTHER})
  32 ENDIF (NOT WIN32)
  33
  34 FIND_PATH(GSTREAMER_INCLUDE_DIR gst/gst.h
  35    PATHS
  36    ${PC_GSTREAMER_INCLUDEDIR}
  37    ${PC_GSTREAMER_INCLUDE_DIRS}
  38    #PATH_SUFFIXES gst
  39    )
  40
  41 FIND_LIBRARY(GSTREAMER_LIBRARIES NAMES gstreamer-0.10
  42    PATHS
  43    ${PC_GSTREAMER_LIBDIR}
  44    ${PC_GSTREAMER_LIBRARY_DIRS}
  45    )
  46
  47 FIND_LIBRARY(GSTREAMER_BASE_LIBRARY NAMES gstbase-0.10
  48    PATHS
  49    ${PC_GSTREAMER_LIBDIR}
  50    ${PC_GSTREAMER_LIBRARY_DIRS}
  51    )
  52
  53 FIND_LIBRARY(GSTREAMER_INTERFACE_LIBRARY NAMES gstinterfaces-0.10
  54    PATHS
  55    ${PC_GSTREAMER_LIBDIR}
  56    ${PC_GSTREAMER_LIBRARY_DIRS}
  57    )
  58
  59 IF (GSTREAMER_INCLUDE_DIR)
  60    #MESSAGE(STATUS "DEBUG: Found GStreamer include dir: ${GSTREAMER_INCLUDE_DIR}")
  61 ELSE (GSTREAMER_INCLUDE_DIR)
  62    MESSAGE(STATUS "GStreamer: WARNING: include dir not found")
  63 ENDIF (GSTREAMER_INCLUDE_DIR)
  64
  65 IF (GSTREAMER_LIBRARIES)
  66    #MESSAGE(STATUS "DEBUG: Found GStreamer library: ${GSTREAMER_LIBRARIES}")
  67 ELSE (GSTREAMER_LIBRARIES)
  68    MESSAGE(STATUS "GStreamer: WARNING: library not found")
  69 ENDIF (GSTREAMER_LIBRARIES)
  70
  71 IF (GSTREAMER_INTERFACE_LIBRARY)
  72    #MESSAGE(STATUS "DEBUG: Found GStreamer interface library: ${GSTREAMER_INTERFACE_LIBRARY}")
  73 ELSE (GSTREAMER_INTERFACE_LIBRARY)
  74    MESSAGE(STATUS "GStreamer: WARNING: interface library not found")
  75 ENDIF (GSTREAMER_INTERFACE_LIBRARY)
  76
  77 INCLUDE(FindPackageHandleStandardArgs)
  78 FIND_PACKAGE_HANDLE_STANDARD_ARGS(GStreamer  DEFAULT_MSG  GSTREAMER_LIBRARIES GSTREAMER_INCLUDE_DIR GSTREAMER_BASE_LIBRARY GSTREAMER_INTERFACE_LIBRARY)
  79
  80 MARK_AS_ADVANCED(GSTREAMER_INCLUDE_DIR GSTREAMER_LIBRARIES GSTREAMER_BASE_LIBRARY GSTREAMER_INTERFACE_LIBRARY)