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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
# GSTREAMER_VERSION - the version of GStreamer
# Copyright (c) 2008 Helio Chissini de Castro, <helio@kde.org>
# (c)2006, Tim Beaulen <tbscope@gmail.com>
# TODO: Other versions --> GSTREAMER_X_Y_FOUND (Example: GSTREAMER_0_8_FOUND and GSTREAMER_1.0_FOUND etc)
IF (GSTREAMER_INCLUDE_DIR AND GSTREAMER_LIBRARIES AND GSTREAMER_BASE_LIBRARY AND GSTREAMER_APP_LIBRARY)
# in cache already
SET(GStreamer_FIND_QUIETLY TRUE)
ELSE (GSTREAMER_INCLUDE_DIR AND GSTREAMER_LIBRARIES AND GSTREAMER_BASE_LIBRARY AND GSTREAMER_APP_LIBRARY)
SET(GStreamer_FIND_QUIETLY FALSE)
ENDIF (GSTREAMER_INCLUDE_DIR AND GSTREAMER_LIBRARIES AND GSTREAMER_BASE_LIBRARY AND GSTREAMER_APP_LIBRARY)
IF (NOT WIN32)
FIND_PACKAGE(PkgConfig REQUIRED)
# use pkg-config to get the directories and then use these values
# in the FIND_PATH() and FIND_LIBRARY() calls
# don't make this check required - otherwise you can't use macro_optional_find_package on this one
PKG_CHECK_MODULES(PKG_GSTREAMER gstreamer-1.0)
SET(GSTREAMER_VERSION ${PKG_GSTREAMER_VERSION})
SET(GSTREAMER_DEFINITIONS ${PKG_GSTREAMER_CFLAGS})
ENDIF (NOT WIN32)
FIND_PATH(GSTREAMER_INCLUDE_DIR gst/gst.h
PATHS
${PKG_GSTREAMER_INCLUDE_DIRS}
PATH_SUFFIXES gstreamer-1.0
)
FIND_LIBRARY(GSTREAMER_LIBRARIES NAMES gstreamer-1.0
PATHS
${PKG_GSTREAMER_LIBRARY_DIRS}
)
FIND_LIBRARY(GSTREAMER_BASE_LIBRARY NAMES gstbase-1.0
PATHS
${PKG_GSTREAMER_LIBRARY_DIRS}
)
FIND_LIBRARY(GSTREAMER_APP_LIBRARY NAMES gstapp-1.0
PATHS
${PKG_GSTREAMER_LIBRARY_DIRS}
)
IF (GSTREAMER_INCLUDE_DIR)
ELSE (GSTREAMER_INCLUDE_DIR)
MESSAGE(STATUS "GStreamer: WARNING: include dir not found")
ENDIF (GSTREAMER_INCLUDE_DIR)
IF (GSTREAMER_LIBRARIES)
ELSE (GSTREAMER_LIBRARIES)
MESSAGE(STATUS "GStreamer: WARNING: library not found")
ENDIF (GSTREAMER_LIBRARIES)
if (GSTREAMER_APP_LIBRARY)
ELSE (GSTREAMER_APP_LIBRARY)
MESSAGE(STATUS "GStreamer: WARNING: app library not found")
ENDIF (GSTREAMER_APP_LIBRARY)
IF (GSTREAMER_INCLUDE_DIR AND GSTREAMER_LIBRARIES AND GSTREAMER_BASE_LIBRARY AND GSTREAMER_APP_LIBRARY)
SET(GSTREAMER_FOUND TRUE)
ELSE (GSTREAMER_INCLUDE_DIR AND GSTREAMER_LIBRARIES AND GSTREAMER_BASE_LIBRARY AND GSTREAMER_APP_LIBRARY)
SET(GSTREAMER_FOUND FALSE)
ENDIF (GSTREAMER_INCLUDE_DIR AND GSTREAMER_LIBRARIES AND GSTREAMER_BASE_LIBRARY AND GSTREAMER_APP_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 GSTREAMER_APP_LIBRARY)
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