gstreamer/subprojects/gst-plugins-good/ext/qt/meson.build

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sources = [
'gstplugin.cc',
'gstqtelement.cc',
'gstqsgtexture.cc',
'gstqtglutility.cc',
'gstqtoverlay.cc',
'gstqtsink.cc',
'gstqtsrc.cc',
'qtglrenderer.cc',
'qtitem.cc',
'qtwindow.cc',
]
moc_headers = [
'qtitem.h',
'qtwindow.h',
'gstqsgtexture.h',
'qtglrenderer.h',
]
# Define a not-found dependency so this variable is always defined when we're
# deciding whether to build the qt5 examples
qt5qml_dep = dependency('', required: false)
qt5_option = get_option('qt5')
if qt5_option.disabled()
subdir_done()
endif
if not have_gstgl
if qt5_option.enabled()
error('qt5 qmlglsink plugin is enabled, but gstreamer-gl-1.0 was not found')
endif
subdir_done()
endif
if not add_languages('cpp', native: false, required: qt5_option)
subdir_done()
endif
qt5_mod = import('qt5')
qt5qml_dep = dependency('qt5', modules : ['Core', 'Gui', 'Qml', 'Quick'],
required: qt5_option, static: host_machine.system() == 'ios')
# On Linux, distros often have the Qt5 pkg-config files and moc in separate
# packages, so the user may not have both installed. Check for moc and ensure
# that it's installed.
# We don't do this check on other OSes because they need to be able to simply
# point the `QMAKE` env var to `qmake` to build against a particular Qt5.
if host_system == 'linux' and not meson.is_cross_build()
moc = find_program('moc-qt5', 'moc', required : qt5_option)
else
# We only check if `moc` was found, and then discard it, so we can fake it.
# This is also a good unit test of the fact that we *don't* use it.
moc = declare_dependency()
endif
if not qt5qml_dep.found() or not moc.found()
subdir_done()
endif
optional_deps = []
qt_defines = []
have_qpa_include = false
have_qt_windowing = false
# Look for the QPA platform native interface header
qpa_header_path = join_paths(qt5qml_dep.version(), 'QtGui')
qpa_header = join_paths(qpa_header_path, 'qpa/qplatformnativeinterface.h')
if cxx.has_header(qpa_header, dependencies : qt5qml_dep)
qt_defines += '-DHAVE_QT_QPA_HEADER'
qt_defines += '-DQT_QPA_HEADER=' + '<@0@>'.format(qpa_header)
have_qpa_include = true
message('Found QtGui QPA header in ' + qpa_header_path)
endif
# Try to come up with all the platform/winsys combinations that will work
if gst_gl_have_window_x11 and gst_gl_have_platform_glx
# FIXME: automagic
qt5x11extras = dependency('qt5', modules : ['X11Extras'], required : false)
if qt5x11extras.found()
optional_deps += [qt5x11extras, gstglx11_dep]
qt_defines += ['-DHAVE_QT_X11']
have_qt_windowing = true
endif
endif
if gst_gl_have_platform_egl
# Embedded linux (e.g. i.MX6) with or without windowing support
qt_defines += ['-DHAVE_QT_EGLFS']
optional_deps += gstglegl_dep
have_qt_windowing = true
if have_qpa_include
# Wayland windowing
if gst_gl_have_window_wayland
# FIXME: automagic
qt5waylandextras = dependency('qt5', modules : ['WaylandClient'], required : false)
if qt5waylandextras.found()
optional_deps += [qt5waylandextras, gstglwayland_dep]
qt_defines += ['-DHAVE_QT_WAYLAND']
have_qt_windowing = true
endif
endif
# Android windowing
if gst_gl_have_window_android
# FIXME: automagic
qt5androidextras = dependency('qt5', modules : ['AndroidExtras'], required : false)
# for gl functions in QtGui/qopenglfunctions.h
# FIXME: automagic
glesv2_dep = cc.find_library('GLESv2', required : false)
if glesv2_dep.found() and qt5androidextras.found()
optional_deps += [qt5androidextras, glesv2_dep]
qt_defines += ['-DHAVE_QT_ANDROID']
have_qt_windowing = true
# Needed for C++11 support in Cerbero. People building with Android
# in some other way need to add the necessary bits themselves.
optional_deps += dependency('gnustl', required : false)
endif
endif
endif
endif
if gst_gl_have_platform_wgl and gst_gl_have_window_win32
# for wglMakeCurrent()
# FIXME: automagic
opengl32_dep = cc.find_library('opengl32', required : false)
if opengl32_dep.found()
qt_defines += ['-DHAVE_QT_WIN32']
optional_deps += opengl32_dep
have_qt_windowing = true
endif
endif
if gst_gl_have_window_cocoa and gst_gl_have_platform_cgl
# FIXME: automagic
qt5macextras = dependency('qt5', modules : ['MacExtras'], required : false)
if qt5macextras.found()
qt_defines += ['-DHAVE_QT_MAC']
optional_deps += qt5macextras
have_qt_windowing = true
endif
endif
if gst_gl_have_window_eagl and gst_gl_have_platform_eagl
if host_machine.system() == 'ios'
qt_defines += ['-DHAVE_QT_IOS']
have_qt_windowing = true
endif
endif
if have_qt_windowing
# Build it!
moc_files = qt5_mod.preprocess(moc_headers : moc_headers)
gstqmlgl = library('gstqmlgl', sources, moc_files,
cpp_args : gst_plugins_good_args + qt_defines,
link_args : noseh_link_args,
include_directories: [configinc, libsinc],
dependencies : [gst_dep, gstvideo_dep, gstgl_dep, gstglproto_dep, qt5qml_dep, optional_deps],
override_options : ['cpp_std=c++11'],
install: true,
install_dir : plugins_install_dir)
plugins += [gstqmlgl]
endif