gstreamer/subprojects/gst-plugins-good/ext/qt6/meson.build

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sources = [
'gstplugin.cc',
'gstqt6element.cc',
'gstqsg6material.cc',
'gstqt6glutility.cc',
'gstqml6glsink.cc',
'gstqml6glsrc.cc',
'gstqml6glmixer.cc',
'gstqml6gloverlay.cc',
'qt6glitem.cc',
'qt6glwindow.cc',
'qt6glrenderer.cc',
]
moc_headers = [
'qt6glitem.h',
'qt6glwindow.h',
'qt6glrenderer.h',
]
shader_sources = [
'vertex.vert',
'RGBA.frag',
'YUV_BIPLANAR.frag',
'YUV_TRIPLANAR.frag',
]
qt6qml_dep = dependency('', required: false)
qt6_option = get_option('qt6')
qt6_egl = get_option('qt-egl')
qt6_wayland = get_option('qt-wayland')
qt6_x11 = get_option('qt-x11')
qt6_method = get_option('qt-method')
if qt6_option.disabled()
subdir_done()
endif
if not have_gstgl
if qt6_option.enabled()
error('qt6 qmlglsink plugin is enabled, but gstreamer-gl-1.0 was not found')
endif
subdir_done()
endif
if not add_languages('cpp', native: false, required: qt6_option)
subdir_done()
endif
qt6_mod = import('qt6')
if not qt6_mod.has_tools(method: qt6_method)
if qt6_option.enabled()
error('qt6 qmlglsink plugin is enabled, but qt specific tools were not found')
endif
subdir_done()
endif
qt6qml_dep = dependency('qt6', modules : ['Core', 'Gui', 'Qml', 'Quick'],
method: qt6_method, required: qt6_option, static: host_system == 'ios', private_headers: true)
if not qt6qml_dep.found()
subdir_done()
endif
qt6_bindir = qt6qml_dep.get_variable('bindir', configtool: 'QT_HOST_BINS')
qsb = find_program('qsb-qt6', 'qsb', dirs: [qt6_bindir], required: qt6_option)
if not qsb.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(qt6qml_dep.version(), 'QtGui')
qpa_header = join_paths(qpa_header_path, 'qpa/qplatformnativeinterface.h')
need_qpa_include = qt6_option.enabled() and (host_system == 'android' or qt6_wayland.enabled())
if cxx.has_header(qpa_header, dependencies : qt6qml_dep, required: need_qpa_include)
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
# X11 windowing
qt6_x11 = qt6_x11 \
.require(gstglx11_dep.found(), error_message: 'gstreamer-gl-x11-1.0 is required') \
.require(gst_gl_have_window_x11, error_message: 'x11 windowing support in gstreamer-gl is required') \
.require(gst_gl_have_platform_glx, error_message: 'glx platform support in gstreamer-gl is required')
if qt6_x11.allowed()
qt_defines += ['-DHAVE_QT_X11']
have_qt_windowing = true
endif
# Wayland windowing
qt6_wayland = qt6_wayland \
.require(gstglwayland_dep.found(), error_message: 'gstreamer-gl-wayland-1.0 is required') \
.require(gst_gl_have_window_wayland, error_message: 'wayland windowing support in gstreamer-gl is required') \
.require(gst_gl_have_platform_egl, error_message: 'egl platform support in gstreamer-gl is required') \
.require(have_qpa_include, error_message: 'QPA platform native interface header is required')
if qt6_wayland.allowed()
qt6waylandextras = dependency('qt6', modules : ['WaylandClient'], method: qt6_method, required: qt6_wayland)
if qt6waylandextras.found()
optional_deps += [qt6waylandextras, gstglwayland_dep]
qt_defines += ['-DHAVE_QT_WAYLAND']
have_qt_windowing = true
endif
endif
# EGL windowing for Embedded linux (e.g. i.MX6) with or without windowing
# support
qt6_egl = qt6_egl \
.require(host_system == 'linux') \
.require(gstglegl_dep.found(), error_message: 'gstreamer-gl-egl-1.0 is required') \
.require(gst_gl_have_platform_egl, error_message: 'egl platform support in gstreamer-gl is required')
if qt6_egl.allowed()
qt_defines += ['-DHAVE_QT_EGLFS']
optional_deps += gstglegl_dep
have_qt_windowing = true
endif
# TODO: Android windowing
# Win32 windowing
if host_system == 'windows'
qt6_win32 = qt6_option \
.require(gst_gl_have_window_win32, error_message: 'win32 windowing support in gstreamer-gl is required') \
.require(gst_gl_have_platform_wgl, error_message: 'wgl platform support in gstreamer-gl is required')
if qt6_win32.allowed()
# for wglMakeCurrent()
opengl32_dep = cc.find_library('opengl32', required : qt6_win32)
if opengl32_dep.found()
qt_defines += ['-DHAVE_QT_WIN32']
optional_deps += opengl32_dep
have_qt_windowing = true
endif
endif
endif
# macOS windowing
if host_system == 'darwin'
qt6_macos = qt6_option \
.require(gst_gl_have_window_cocoa, error_message: 'cocoa windowing support in gstreamer-gl is required') \
.require(gst_gl_have_platform_cgl, error_message: 'cgl platform support in gstreamer-gl is required')
if qt6_macos.allowed()
qt_defines += ['-DHAVE_QT_MAC']
have_qt_windowing = true
endif
endif
# iOS windowing
if host_system == 'ios'
qt6_ios = qt6_option \
.require(gst_gl_have_window_eagl, error_message: 'eagl windowing support in gstreamer-gl is required') \
.require(gst_gl_have_platform_eagl, error_message: 'eagl platform support in gstreamer-gl is required')
if qt6_ios.allowed()
qt_defines += ['-DHAVE_QT_IOS']
have_qt_windowing = true
endif
endif
if qt6_option.require(have_qt_windowing, error_message: 'No windowing, enable one of the qt-* windowing options').allowed()
# Build it!
moc_files = qt6_mod.preprocess(moc_headers : moc_headers, method: qt6_method)
# TODO: dist backup qsb shaders?
shaders = []
foreach shader: shader_sources
qsb_shader = shader + '.qsb'
dist_shader = shader + '-dist.qsb'
compiled_shader = custom_target(qsb_shader,
input: shader,
output: qsb_shader,
command: [qsb, '--glsl=100 es,120,330', '--batchable', '--output', '@OUTPUT@', '@INPUT@']
)
shaders += [compiled_shader]
endforeach
resource_file = configure_file(input: 'resources.qrc', output: 'resources.qrc', copy: true)
qresources = qt6_mod.compile_resources(sources: resource_file, method: qt6_method)
gstqml6gl = library('gstqml6', sources, moc_files, qresources,
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, qt6qml_dep, optional_deps],
override_options : ['cpp_std=c++17'],
install: true,
install_dir : plugins_install_dir)
pkgconfig.generate(gstqml6gl, install_dir : plugins_pkgconfig_install_dir)
plugins += [gstqml6gl]
endif