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') qt5_method = get_option('qt-method') 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'], method: qt5_method, required: qt5_option, static: host_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'], method: qt5_method, 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'], method: qt5_method, 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'], method: qt5_method, 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'], method: qt5_method, 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 # rpath is needed to be able to load the plugin on macOS inside the devenv qmlgl_kwargs = {} if host_system == 'darwin' fs = import('fs') qt_bindir = fs.parent(find_program('qmake').full_path()) qt_libdir = fs.parent(qt_bindir) / 'lib' qmlgl_kwargs += {'build_rpath': qt_libdir} endif # 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'], kwargs: qmlgl_kwargs, install: true, install_dir : plugins_install_dir) plugins += [gstqmlgl] endif