2014-05-24 20:21:40 +04:00
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# - 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_1_0_FOUND - system has Gstreamer
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# GSTREAMER_1_0_INCLUDE_DIRS - the Gstreamer include directories
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# GSTREAMER_1_0_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_1_0_BASE_INCLUDE_DIRS - gstreamer-base's include directory
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# GSTREAMER_1_0_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_1_0_APP_INCLUDE_DIRS and GSTREAMER_1_0_APP_LIBRARIES
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# gstreamer-audio: GSTREAMER_1_0_AUDIO_INCLUDE_DIRS and GSTREAMER_1_0_AUDIO_LIBRARIES
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# gstreamer-fft: GSTREAMER_1_0_FFT_INCLUDE_DIRS and GSTREAMER_1_0_FFT_LIBRARIES
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# gstreamer-pbutils: GSTREAMER_1_0_PBUTILS_INCLUDE_DIRS and GSTREAMER_1_0_PBUTILS_LIBRARIES
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# gstreamer-video: GSTREAMER_1_0_VIDEO_INCLUDE_DIRS and GSTREAMER_1_0_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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find_package(PkgConfig)
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# The minimum Gstreamer version we support.
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set(GSTREAMER_1_0_MINIMUM_VERSION 1.0.5)
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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_1_0_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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# _library is the component's library name (eg. "gstreamer-1.0" or "gstvideo-1.0")
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2015-10-04 19:17:33 +03:00
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macro(FIND_GSTREAMER_COMPONENT _component_prefix _pkgconfig_name _library)
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2014-05-24 20:21:40 +04:00
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# FIXME: The QUIET keyword can be used once we require CMake 2.8.2.
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2015-10-04 19:17:33 +03:00
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string(REGEX MATCH "(.*)>=(.*)" _dummy "${_pkgconfig_name}")
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if ("${CMAKE_MATCH_2}" STREQUAL "")
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pkg_check_modules(PC_${_component_prefix} "${_pkgconfig_name} >= ${GStreamer_FIND_VERSION}")
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else ()
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pkg_check_modules(PC_${_component_prefix} ${_pkgconfig_name})
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endif ()
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set(${_component_prefix}_INCLUDE_DIRS ${PC_${_component_prefix}_INCLUDE_DIRS})
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2014-05-24 20:21:40 +04:00
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find_library(${_component_prefix}_LIBRARIES
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NAMES ${_library} gstreamer_android
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HINTS ${PC_${_component_prefix}_LIBRARY_DIRS} ${PC_${_component_prefix}_LIBDIR} ${GSTREAMER_1_0_ROOT_DIR}
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)
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endmacro()
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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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set(GLIB_ROOT_DIR ${GSTREAMER_1_0_ROOT_DIR})
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find_package(Glib REQUIRED)
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2015-10-04 19:17:33 +03:00
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FIND_GSTREAMER_COMPONENT(GSTREAMER_1_0 gstreamer-1.0 gstreamer-1.0)
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FIND_GSTREAMER_COMPONENT(GSTREAMER_1_0_BASE gstreamer-base-1.0 gstbase-1.0)
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2014-05-24 20:21:40 +04:00
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# 1.2. Check Gstreamer version
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if (GSTREAMER_1_0_INCLUDE_DIRS)
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if (EXISTS "${GSTREAMER_1_0_INCLUDE_DIRS}/gst/gstversion.h")
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file(READ "${GSTREAMER_1_0_INCLUDE_DIRS}/gst/gstversion.h" GSTREAMER_VERSION_CONTENTS)
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string(REGEX MATCH "#define +GST_VERSION_MAJOR +\\(([0-9]+)\\)" _dummy "${GSTREAMER_VERSION_CONTENTS}")
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set(GSTREAMER_1_0_VERSION_MAJOR "${CMAKE_MATCH_1}")
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string(REGEX MATCH "#define +GST_VERSION_MINOR +\\(([0-9]+)\\)" _dummy "${GSTREAMER_1_0_VERSION_CONTENTS}")
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set(GSTREAMER_1_0_VERSION_MINOR "${CMAKE_MATCH_1}")
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string(REGEX MATCH "#define +GST_VERSION_MICRO +\\(([0-9]+)\\)" _dummy "${GSTREAMER_1_0_VERSION_CONTENTS}")
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set(GSTREAMER_1_0_VERSION_MICRO "${CMAKE_MATCH_1}")
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set(GSTREAMER_1_0_VERSION "${GSTREAMER_1_0_VERSION_MAJOR}.${GSTREAMER_1_0_VERSION_MINOR}.${GSTREAMER_1_0_VERSION_MICRO}")
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endif ()
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endif ()
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# FIXME: With CMake 2.8.3 we can just pass GSTREAMER_1_0_VERSION to FIND_PACKAGE_HANDLE_STANDARD_ARGS as VERSION_VAR
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# and remove the version check here (GSTREAMER_1_0_MINIMUM_VERSION would be passed to FIND_PACKAGE).
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set(VERSION_OK TRUE)
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if ("${GSTREAMER_1_0_VERSION}" VERSION_LESS "${GSTREAMER_1_0_MINIMUM_VERSION}")
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set(VERSION_OK FALSE)
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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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2015-10-04 19:17:33 +03:00
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FIND_GSTREAMER_COMPONENT(GSTREAMER_1_0_APP gstreamer-app-1.0 gstapp-1.0)
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FIND_GSTREAMER_COMPONENT(GSTREAMER_1_0_AUDIO gstreamer-audio-1.0 gstaudio-1.0)
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FIND_GSTREAMER_COMPONENT(GSTREAMER_1_0_FFT gstreamer-fft-1.0 gstfft-1.0)
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FIND_GSTREAMER_COMPONENT(GSTREAMER_1_0_PBUTILS gstreamer-pbutils-1.0 gstpbutils-1.0)
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FIND_GSTREAMER_COMPONENT(GSTREAMER_1_0_VIDEO gstreamer-video-1.0 gstvideo-1.0)
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2014-05-24 20:21:40 +04:00
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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_1_0_REQUIRED_VARS
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Glib_INCLUDE_DIRS
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Glib_LIBRARIES
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GSTREAMER_1_0_INCLUDE_DIRS
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GSTREAMER_1_0_LIBRARIES
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VERSION_OK
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GSTREAMER_1_0_BASE_INCLUDE_DIRS
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GSTREAMER_1_0_BASE_LIBRARIES)
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include(FindPackageHandleStandardArgs)
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FIND_PACKAGE_HANDLE_STANDARD_ARGS(GSTREAMER_1_0 DEFAULT_MSG GSTREAMER_1_0_LIBRARIES GSTREAMER_1_0_INCLUDE_DIRS)
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list(APPEND GSTREAMER_1_0_INCLUDE_DIRS ${Glib_INCLUDE_DIRS})
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list(APPEND GSTREAMER_1_0_LIBRARIES ${Glib_LIBRARIES})
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list(APPEND GSTREAMER_1_0_INCLUDE_DIRS ${GSTREAMER_1_0_BASE_INCLUDE_DIRS})
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list(APPEND GSTREAMER_1_0_LIBRARIES ${GSTREAMER_1_0_BASE_LIBRARIES})
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list(APPEND GSTREAMER_1_0_INCLUDE_DIRS ${GSTREAMER_1_0_APP_INCLUDE_DIRS})
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list(APPEND GSTREAMER_1_0_LIBRARIES ${GSTREAMER_1_0_APP_LIBRARIES})
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list(APPEND GSTREAMER_1_0_INCLUDE_DIRS ${GSTREAMER_1_0_VIDEO_INCLUDE_DIRS})
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list(APPEND GSTREAMER_1_0_LIBRARIES ${GSTREAMER_1_0_VIDEO_LIBRARIES})
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foreach (_component ${Gstreamer_FIND_COMPONENTS})
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set(_gst_component "GSTREAMER_1_0_${_component}")
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string(TOUPPER ${_gst_component} _UPPER_NAME)
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FIND_PACKAGE_HANDLE_STANDARD_ARGS(${_UPPER_NAME} DEFAULT_MSG ${_UPPER_NAME}_INCLUDE_DIRS ${_UPPER_NAME}_LIBRARIES)
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list(APPEND GSTREAMER_1_0_INCLUDE_DIRS ${${_UPPER_NAME}_INCLUDE_DIRS})
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list(APPEND GSTREAMER_1_0_LIBRARIES ${${_UPPER_NAME}_LIBRARIES})
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endforeach ()
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MARK_AS_ADVANCED(GSTREAMER_1_0_INCLUDE_DIRS GSTREAMER_1_0_LIBRARIES GSTREAMER_1_0_BASE_LIBRARY GSTREAMER_1_0_APP_LIBRARY)
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