78bf1e8ea4
Please, have a look at the attached patch." CMakeModules/FindGStreamer.cmake git-svn-id: http://svn.openscenegraph.org/osg/OpenSceneGraph/branches/OpenSceneGraph-3.4@14983 16af8721-9629-0410-8352-f15c8da7e697
175 lines
7.5 KiB
CMake
175 lines
7.5 KiB
CMake
# - Try to find GStreamer and its plugins
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# Once done, this will define
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#
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# GSTREAMER_FOUND - system has GStreamer
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# GSTREAMER_INCLUDE_DIRS - the GStreamer include directories
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# GSTREAMER_LIBRARIES - link these to use GStreamer
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#
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# Additionally, gstreamer-base is always looked for and required, and
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# the following related variables are defined:
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#
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# GSTREAMER_BASE_INCLUDE_DIRS - gstreamer-base's include directory
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# GSTREAMER_BASE_LIBRARIES - link to these to use gstreamer-base
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#
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# Optionally, the COMPONENTS keyword can be passed to find_package()
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# and GStreamer plugins can be looked for. Currently, the following
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# plugins can be searched, and they define the following variables if
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# found:
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#
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# gstreamer-app: GSTREAMER_APP_INCLUDE_DIRS and GSTREAMER_APP_LIBRARIES
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# gstreamer-audio: GSTREAMER_AUDIO_INCLUDE_DIRS and GSTREAMER_AUDIO_LIBRARIES
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# gstreamer-fft: GSTREAMER_FFT_INCLUDE_DIRS and GSTREAMER_FFT_LIBRARIES
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# gstreamer-pbutils: GSTREAMER_PBUTILS_INCLUDE_DIRS and GSTREAMER_PBUTILS_LIBRARIES
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# gstreamer-video: GSTREAMER_VIDEO_INCLUDE_DIRS and GSTREAMER_VIDEO_LIBRARIES
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#
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# Copyright (C) 2012 Raphael Kubo da Costa <rakuco@webkit.org>
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions
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# are met:
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# 1. Redistributions of source code must retain the above copyright
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# notice, this list of conditions and the following disclaimer.
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# 2. Redistributions in binary form must reproduce the above copyright
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# notice, this list of conditions and the following disclaimer in the
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# documentation and/or other materials provided with the distribution.
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#
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# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDER AND ITS CONTRIBUTORS ``AS
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# IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
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# THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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# PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR ITS
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# CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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# EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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# PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
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# OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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# WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
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# OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
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# ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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# Helper macro to find a GStreamer plugin (or GStreamer itself)
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# _component_prefix is prepended to the _INCLUDE_DIRS and _LIBRARIES variables (eg. "GSTREAMER_AUDIO")
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# _pkgconfig_name is the component's pkg-config name (eg. "gstreamer-1.0", or "gstreamer-video-1.0").
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# _header is the component's header, relative to the gstreamer-1.0 directory (eg. "gst/gst.h").
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# _library is the component's library name (eg. "gstreamer-1.0" or "gstvideo-1.0")
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#macro(FIND_GSTREAMER_COMPONENT _component_prefix _pkgconfig_name _header _library)
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# pkg_check_modules(PC_${_component_prefix} QUIET ${_pkgconfig_name})
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#
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# find_path(${_component_prefix}_INCLUDE_DIRS
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# NAMES ${_header}
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# HINTS ${PC_${_component_prefix}_INCLUDE_DIRS} ${PC_${_component_prefix}_INCLUDEDIR}
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# PATH_SUFFIXES gstreamer-1.0
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# )
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#
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# find_library(${_component_prefix}_LIBRARIES
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# NAMES ${_library}
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# HINTS ${PC_${_component_prefix}_LIBRARY_DIRS} ${PC_${_component_prefix}_LIBDIR}
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# )
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#endmacro()
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if (WIN32)
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macro(FIND_GSTREAMER_COMPONENT _component_prefix _pkgconfig_name _header _library)
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find_path(${_component_prefix}_INCLUDE_DIRS
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NAMES ${_header}
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PATHS C:/gstreamer/1.0/x86_64/include
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PATH_SUFFIXES gstreamer-1.0
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)
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find_library(${_component_prefix}_LIBRARIES
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NAMES ${_library}
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PATHS C:/gstreamer/1.0/x86_64/lib
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)
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endmacro()
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else ()
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find_package(PkgConfig)
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macro(FIND_GSTREAMER_COMPONENT _component_prefix _pkgconfig_name _header _library)
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pkg_check_modules(${_component_prefix} QUIET ${_pkgconfig_name})
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# find_path(${_component_prefix}_INCLUDE_DIRS
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# NAMES ${_header}
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# HINTS ${PC_${_component_prefix}_INCLUDE_DIRS} ${PC_${_component_prefix}_INCLUDEDIR}
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# PATH_SUFFIXES gstreamer-1.0
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# )
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# find_library(${_component_prefix}_LIBRARIES
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# NAMES ${_library}
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# HINTS ${PC_${_component_prefix}_LIBRARY_DIRS} ${PC_${_component_prefix}_LIBDIR}
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# )
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endmacro()
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endif ()
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# ------------------------
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# 1. Find GStreamer itself
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# ------------------------
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# 1.1. Find headers and libraries
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FIND_GSTREAMER_COMPONENT(GSTREAMER gstreamer-1.0 gst/gst.h gstreamer-1.0)
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FIND_GSTREAMER_COMPONENT(GSTREAMER_BASE gstreamer-base-1.0 gst/gst.h gstbase-1.0)
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# 1.2. Check GStreamer version
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if (GSTREAMER_INCLUDE_DIRS)
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if (EXISTS "${GSTREAMER_INCLUDE_DIRS}/gst/gstversion.h")
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file(READ "${GSTREAMER_INCLUDE_DIRS}/gst/gstversion.h" GSTREAMER_VERSION_CONTENTS)
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string(REGEX MATCH "#define +GST_VERSION_MAJOR +\\(([0-9]+)\\)" _dummy "${GSTREAMER_VERSION_CONTENTS}")
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set(GSTREAMER_VERSION_MAJOR "${CMAKE_MATCH_1}")
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string(REGEX MATCH "#define +GST_VERSION_MINOR +\\(([0-9]+)\\)" _dummy "${GSTREAMER_VERSION_CONTENTS}")
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set(GSTREAMER_VERSION_MINOR "${CMAKE_MATCH_1}")
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string(REGEX MATCH "#define +GST_VERSION_MICRO +\\(([0-9]+)\\)" _dummy "${GSTREAMER_VERSION_CONTENTS}")
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set(GSTREAMER_VERSION_MICRO "${CMAKE_MATCH_1}")
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set(GSTREAMER_VERSION "${GSTREAMER_VERSION_MAJOR}.${GSTREAMER_VERSION_MINOR}.${GSTREAMER_VERSION_MICRO}")
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endif ()
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endif ()
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if ("${GStreamer_FIND_VERSION}" VERSION_GREATER "${GSTREAMER_VERSION}")
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message(FATAL_ERROR "Required version (" ${GStreamer_FIND_VERSION} ") is higher than found version (" ${GSTREAMER_VERSION} ")")
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endif ()
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# -------------------------
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# 2. Find GStreamer plugins
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# -------------------------
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FIND_GSTREAMER_COMPONENT(GSTREAMER_APP gstreamer-app-1.0 gst/app/gstappsink.h gstapp-1.0)
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FIND_GSTREAMER_COMPONENT(GSTREAMER_AUDIO gstreamer-audio-1.0 gst/audio/audio.h gstaudio-1.0)
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FIND_GSTREAMER_COMPONENT(GSTREAMER_FFT gstreamer-fft-1.0 gst/fft/gstfft.h gstfft-1.0)
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FIND_GSTREAMER_COMPONENT(GSTREAMER_PBUTILS gstreamer-pbutils-1.0 gst/pbutils/pbutils.h gstpbutils-1.0)
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FIND_GSTREAMER_COMPONENT(GSTREAMER_VIDEO gstreamer-video-1.0 gst/video/video.h gstvideo-1.0)
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# ------------------------------------------------
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# 3. Process the COMPONENTS passed to FIND_PACKAGE
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# ------------------------------------------------
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set(_GSTREAMER_REQUIRED_VARS GSTREAMER_INCLUDE_DIRS GSTREAMER_LIBRARIES GSTREAMER_VERSION GSTREAMER_BASE_INCLUDE_DIRS GSTREAMER_BASE_LIBRARIES)
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foreach (_component ${GStreamer_FIND_COMPONENTS})
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set(_gst_component "GSTREAMER_${_component}")
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string(TOUPPER ${_gst_component} _UPPER_NAME)
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list(APPEND _GSTREAMER_REQUIRED_VARS ${_UPPER_NAME}_INCLUDE_DIRS ${_UPPER_NAME}_LIBRARIES)
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endforeach ()
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include(FindPackageHandleStandardArgs)
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FIND_PACKAGE_HANDLE_STANDARD_ARGS(GStreamer REQUIRED_VARS ${_GSTREAMER_REQUIRED_VARS}
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VERSION_VAR GSTREAMER_VERSION)
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mark_as_advanced(
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GSTREAMER_APP_INCLUDE_DIRS
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GSTREAMER_APP_LIBRARIES
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GSTREAMER_AUDIO_INCLUDE_DIRS
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GSTREAMER_AUDIO_LIBRARIES
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GSTREAMER_BASE_INCLUDE_DIRS
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GSTREAMER_BASE_LIBRARIES
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GSTREAMER_FFT_INCLUDE_DIRS
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GSTREAMER_FFT_LIBRARIES
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GSTREAMER_INCLUDE_DIRS
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GSTREAMER_LIBRARIES
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GSTREAMER_PBUTILS_INCLUDE_DIRS
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GSTREAMER_PBUTILS_LIBRARIES
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GSTREAMER_VIDEO_INCLUDE_DIRS
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GSTREAMER_VIDEO_LIBRARIES
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)
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