opencv/modules/videoio/cmake/detect_gstreamer.cmake
Maksim Shabunin 73959fed45 Merge pull request #13422 from mshabunin:split-videoio-cmake
* Split videoio dependencies search into pieces, removed obsolete backends
2018-12-26 15:50:20 +03:00

102 lines
3.7 KiB
CMake

# --- GStreamer ---
if(NOT HAVE_GSTREAMER AND WIN32)
set(env_paths "${GSTREAMER_DIR}" ENV GSTREAMER_ROOT)
if(X86_64)
list(APPEND env_paths ENV GSTREAMER_1_0_ROOT_X86_64 ENV GSTREAMER_ROOT_X86_64)
else()
list(APPEND env_paths ENV GSTREAMER_1_0_ROOT_X86 ENV GSTREAMER_ROOT_X86)
endif()
find_path(GSTREAMER_gst_INCLUDE_DIR
gst/gst.h
PATHS ${env_paths}
PATH_SUFFIXES "include/gstreamer-1.0")
find_path(GSTREAMER_glib_INCLUDE_DIR
glib.h
PATHS ${env_paths}
PATH_SUFFIXES "include/glib-2.0")
find_path(GSTREAMER_glibconfig_INCLUDE_DIR
glibconfig.h
PATHS ${env_paths}
PATH_SUFFIXES "lib/glib-2.0/include")
find_library(GSTREAMER_gstreamer_LIBRARY
NAMES gstreamer gstreamer-1.0
PATHS ${env_paths}
PATH_SUFFIXES "lib")
find_library(GSTREAMER_app_LIBRARY
NAMES gstapp gstapp-1.0
PATHS ${env_paths}
PATH_SUFFIXES "lib")
find_library(GSTREAMER_base_LIBRARY
NAMES gstbase gstbase-1.0
PATHS ${env_paths}
PATH_SUFFIXES "lib")
find_library(GSTREAMER_pbutils_LIBRARY
NAMES gstpbutils gstpbutils-1.0
PATHS ${env_paths}
PATH_SUFFIXES "lib")
find_library(GSTREAMER_riff_LIBRARY
NAMES gstriff gstriff-1.0
PATHS ${env_paths}
PATH_SUFFIXES "lib")
find_library(GSTREAMER_glib_LIBRARY
NAMES glib-2.0
PATHS ${env_paths}
PATH_SUFFIXES "lib")
find_library(GSTREAMER_gobject_LIBRARY
NAMES gobject-2.0
PATHS ${env_paths}
PATH_SUFFIXES "lib")
if(GSTREAMER_gst_INCLUDE_DIR
AND GSTREAMER_glib_INCLUDE_DIR
AND GSTREAMER_glibconfig_INCLUDE_DIR
AND GSTREAMER_gstreamer_LIBRARY
AND GSTREAMER_app_LIBRARY
AND GSTREAMER_base_LIBRARY
AND GSTREAMER_pbutils_LIBRARY
AND GSTREAMER_riff_LIBRARY
AND GSTREAMER_glib_LIBRARY
AND GSTREAMER_gobject_LIBRARY)
file(STRINGS "${GSTREAMER_gst_INCLUDE_DIR}/gst/gstversion.h" ver_strings REGEX "#define +GST_VERSION_(MAJOR|MINOR|MICRO|NANO).*")
string(REGEX REPLACE ".*GST_VERSION_MAJOR[^0-9]+([0-9]+).*" "\\1" ver_major "${ver_strings}")
string(REGEX REPLACE ".*GST_VERSION_MINOR[^0-9]+([0-9]+).*" "\\1" ver_minor "${ver_strings}")
string(REGEX REPLACE ".*GST_VERSION_MICRO[^0-9]+([0-9]+).*" "\\1" ver_micro "${ver_strings}")
set(GSTREAMER_VERSION "${ver_major}.${ver_minor}.${ver_micro}" PARENT_SCOPE) # informational
set(HAVE_GSTREAMER TRUE)
set(GSTREAMER_LIBRARIES
${GSTREAMER_gstreamer_LIBRARY}
${GSTREAMER_base_LIBRARY}
${GSTREAMER_app_LIBRARY}
${GSTREAMER_riff_LIBRARY}
${GSTREAMER_pbutils_LIBRARY}
${GSTREAMER_glib_LIBRARY}
${GSTREAMER_gobject_LIBRARY})
set(GSTREAMER_INCLUDE_DIRS
${GSTREAMER_gst_INCLUDE_DIR}
${GSTREAMER_glib_INCLUDE_DIR}
${GSTREAMER_glibconfig_INCLUDE_DIR})
endif()
endif()
if(NOT HAVE_GSTREAMER AND PKG_CONFIG_FOUND)
pkg_check_modules(GSTREAMER_base gstreamer-base-1.0 QUIET)
pkg_check_modules(GSTREAMER_app gstreamer-app-1.0 QUIET)
pkg_check_modules(GSTREAMER_riff gstreamer-riff-1.0 QUIET)
pkg_check_modules(GSTREAMER_pbutils gstreamer-pbutils-1.0 QUIET)
if(GSTREAMER_base_FOUND AND GSTREAMER_app_FOUND AND GSTREAMER_riff_FOUND AND GSTREAMER_pbutils_FOUND)
set(HAVE_GSTREAMER TRUE)
set(GSTREAMER_VERSION ${GSTREAMER_base_VERSION} PARENT_SCOPE) # informational
set(GSTREAMER_LIBRARIES ${GSTREAMER_base_LIBRARIES} ${GSTREAMER_app_LIBRARIES} ${GSTREAMER_riff_LIBRARIES} ${GSTREAMER_pbutils_LIBRARIES})
set(GSTREAMER_INCLUDE_DIRS ${GSTREAMER_base_INCLUDE_DIRS} ${GSTREAMER_app_INCLUDE_DIRS} ${GSTREAMER_riff_INCLUDE_DIRS} ${GSTREAMER_pbutils_INCLUDE_DIRS})
endif()
endif()
if(HAVE_GSTREAMER)
ocv_add_external_target(gstreamer "${GSTREAMER_INCLUDE_DIRS}" "${GSTREAMER_LIBRARIES}" "HAVE_GSTREAMER")
endif()
set(HAVE_GSTREAMER ${HAVE_GSTREAMER} PARENT_SCOPE)