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# - Try to find GStreamer
# Once done this will define
#
# GSTREAMER_FOUND - system has GStreamer
# GSTREAMER_INCLUDE_DIR - the GStreamer include directory
# GSTREAMER_LIBRARIES - the libraries needed to use GStreamer
# GSTREAMER_DEFINITIONS - Compiler switches required for using GStreamer
# (c)2006, Tim Beaulen <tbscope@gmail.com>
# TODO: Other versions --> GSTREAMER_X_Y_FOUND (Example: GSTREAMER_0_8_FOUND and GSTREAMER_0_10_FOUND etc)
IF (GSTREAMER_INCLUDE_DIR AND GSTREAMER_LIBRARIES AND GSTREAMER_BASE_LIBRARY AND GSTREAMER_INTERFACE_LIBRARY)
# in cache already
SET(GStreamer_FIND_QUIETLY TRUE)
ELSE (GSTREAMER_INCLUDE_DIR AND GSTREAMER_LIBRARIES AND GSTREAMER_BASE_LIBRARY AND GSTREAMER_INTERFACE_LIBRARY)
SET(GStreamer_FIND_QUIETLY FALSE)
ENDIF (GSTREAMER_INCLUDE_DIR AND GSTREAMER_LIBRARIES AND GSTREAMER_BASE_LIBRARY AND GSTREAMER_INTERFACE_LIBRARY)
IF (NOT WIN32)
# use pkg-config to get the directories and then use these values
# in the FIND_PATH() and FIND_LIBRARY() calls
INCLUDE(UsePkgConfig)
PKGCONFIG(gstreamer-0.10 _GStreamerIncDir _GStreamerLinkDir _GStreamerLinkFlags _GStreamerCflags)
#MESSAGE(STATUS "DEBUG: GStreamer include directory = ${_GStreamerIncDir}")
#MESSAGE(STATUS "DEBUG: GStreamer link directory = ${_GStreamerLinkDir}")
#MESSAGE(STATUS "DEBUG: GStreamer link flags = ${_GStreamerLinkFlags}")
#MESSAGE(STATUS "DEBUG: GStreamer CFlags = ${_GStreamerCflags}")
SET(GSTREAMER_DEFINITIONS ${_GStreamerCflags})
ENDIF (NOT WIN32)
FIND_PATH(GSTREAMER_INCLUDE_DIR gst/gst.h
PATHS
${_GStreamerIncDir}
#PATH_SUFFIXES gst
)
FIND_LIBRARY(GSTREAMER_LIBRARIES NAMES gstreamer-0.10
PATHS
${_GStreamerLinkDir}
)
FIND_LIBRARY(GSTREAMER_BASE_LIBRARY NAMES gstbase-0.10
PATHS
${_GStreamerLinkDir}
)
FIND_LIBRARY(GSTREAMER_INTERFACE_LIBRARY NAMES gstinterfaces-0.10
PATHS
${_GStreamerLinkDir}
)
IF (GSTREAMER_INCLUDE_DIR)
#MESSAGE(STATUS "DEBUG: Found GStreamer include dir: ${GSTREAMER_INCLUDE_DIR}")
ELSE (GSTREAMER_INCLUDE_DIR)
MESSAGE(STATUS "GStreamer: WARNING: include dir not found")
ENDIF (GSTREAMER_INCLUDE_DIR)
IF (GSTREAMER_LIBRARIES)
#MESSAGE(STATUS "DEBUG: Found GStreamer library: ${GSTREAMER_LIBRARIES}")
ELSE (GSTREAMER_LIBRARIES)
MESSAGE(STATUS "GStreamer: WARNING: library not found")
ENDIF (GSTREAMER_LIBRARIES)
IF (GSTREAMER_INTERFACE_LIBRARY)
#MESSAGE(STATUS "DEBUG: Found GStreamer interface library: ${GSTREAMER_INTERFACE_LIBRARY}")
ELSE (GSTREAMER_INTERFACE_LIBRARY)
MESSAGE(STATUS "GStreamer: WARNING: interface library not found")
ENDIF (GSTREAMER_INTERFACE_LIBRARY)
IF (GSTREAMER_INCLUDE_DIR AND GSTREAMER_LIBRARIES AND GSTREAMER_BASE_LIBRARY AND GSTREAMER_INTERFACE_LIBRARY)
SET(GSTREAMER_FOUND TRUE)
ELSE (GSTREAMER_INCLUDE_DIR AND GSTREAMER_LIBRARIES AND GSTREAMER_BASE_LIBRARY AND GSTREAMER_INTERFACE_LIBRARY)
SET(GSTREAMER_FOUND FALSE)
ENDIF (GSTREAMER_INCLUDE_DIR AND GSTREAMER_LIBRARIES AND GSTREAMER_BASE_LIBRARY AND GSTREAMER_INTERFACE_LIBRARY)
IF (GSTREAMER_FOUND)
IF (NOT GStreamer_FIND_QUIETLY)
MESSAGE(STATUS "Found GStreamer: ${GSTREAMER_LIBRARIES}")
ENDIF (NOT GStreamer_FIND_QUIETLY)
ELSE (GSTREAMER_FOUND)
IF (GStreamer_FIND_REQUIRED)
MESSAGE(SEND_ERROR "Could NOT find GStreamer")
ENDIF (GStreamer_FIND_REQUIRED)
ENDIF (GSTREAMER_FOUND)
MARK_AS_ADVANCED(GSTREAMER_INCLUDE_DIR GSTREAMER_LIBRARIES GSTREAMER_BASE_LIBRARY GSTREAMER_INTERFACE_LIBRARY)
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