project('gst-plugins-rs', 'rust', 'c', version: '0.9.0-alpha.1', meson_version : '>= 0.60') # dependencies.py needs a toml parsing module python = import('python').find_installation(modules: ['tomllib'], required: false) if not python.found() python = import('python').find_installation(modules: ['tomli']) endif fs = import('fs') host_system = host_machine.system() if get_option('debug') target = 'debug' else target = 'release' endif cargo = find_program('cargo', version:'>=1.40') cargo_wrapper = find_program('cargo_wrapper.py') cargo_c = find_program('cargo-cbuild', version:'>=0.9.3', required: false) rustc = find_program('rustc', version:'>=1.52') if not cargo_c.found() error('cargo-c missing, install it with: \'cargo install cargo-c\'') endif system = build_machine.system() ext_exe = '' if system == 'windows' ext_exe = 'exe' ext_dynamic = 'dll' ext_static = 'lib' elif system == 'darwin' ext_dynamic = 'dylib' ext_static = 'a' else ext_dynamic = 'so' ext_static = 'a' endif # workspace name -> lib name # kept in the same order as the `members` list in Cargo.toml plugins = { 'gst-plugin-audiofx': 'libgstrsaudiofx', 'gst-plugin-claxon': 'libgstclaxon', # csound has an external dependency, see below 'gst-plugin-lewton': 'libgstlewton', 'gst-plugin-spotify': 'libgstspotify', 'gst-plugin-file': 'libgstrsfile', # sodium has an external dependency, see below 'gst-plugin-threadshare': 'libgstthreadshare', 'gst-plugin-mp4': 'libgstmp4', 'gst-plugin-fmp4': 'libgstfmp4', 'gst-plugin-aws': 'libgstaws', 'gst-plugin-hlssink3': 'libgsthlssink3', 'gst-plugin-ndi': 'libgstndi', 'gst-plugin-raptorq': 'libgstraptorq', 'gst-plugin-reqwest': 'libgstreqwest', 'gst-plugin-rtp': 'libgstrsrtp', 'gst-plugin-webrtchttp': 'libgstwebrtchttp', 'gst-plugin-webrtc': 'libgstrswebrtc', 'gst-plugin-textahead': 'libgsttextahead', 'gst-plugin-json': 'libgstjson', 'gst-plugin-regex': 'libgstregex', 'gst-plugin-textwrap': 'libgsttextwrap', 'gst-plugin-fallbackswitch': 'libgstfallbackswitch', 'gst-plugin-livesync': 'libgstlivesync', 'gst-plugin-togglerecord': 'libgsttogglerecord', 'gst-plugin-tracers': 'libgstrstracers', 'gst-plugin-uriplaylistbin': 'libgsturiplaylistbin', 'gst-plugin-cdg': 'libgstcdg', # closedcaption has an external dependency, see below # dav1d has an external dependency, see below 'gst-plugin-ffv1': 'libgstffv1', 'gst-plugin-flavors': 'libgstrsflv', 'gst-plugin-gif': 'libgstgif', # gtk4 has an external dependency, see below 'gst-plugin-hsv': 'libgsthsv', 'gst-plugin-png': 'libgstrspng', 'gst-plugin-rav1e': 'libgstrav1e', # videofx has an external dependency, see below } # Won't build on platforms where it bundles the sources because of: # https://github.com/qnighy/libwebp-sys2-rs/issues/12 # Remove this check once we update to a version that contains the fix: # https://github.com/qnighy/libwebp-sys2-rs/pull/13 if host_system not in ['windows', 'darwin'] # FIXME: libwebp-sys2 will build its bundled version on msvc and apple platforms # https://github.com/qnighy/libwebp-sys2-rs/issues/4 plugins += {'gst-plugin-webp': 'libgstrswebp'} endif extra_env = {} if dependency('cairo-gobject', required : get_option('videofx')).found() plugins += {'gst-plugin-videofx': 'libgstrsvideofx',} endif if dependency('pangocairo', required : get_option('closedcaption')).found() plugins += {'gst-plugin-closedcaption' : 'libgstrsclosedcaption',} endif if dependency('pangocairo', required : get_option('onvif')).found() plugins += {'gst-plugin-onvif': 'libgstrsonvif',} endif if dependency('dav1d', version : '>= 1.0.0', required : get_option('dav1d')).found() plugins += {'gst-plugin-dav1d' : 'libgstdav1d'} endif sodium = get_option ('sodium') if sodium == 'system' dependency('libsodium') plugins += {'gst-plugin-sodium': 'libgstsodium'} extra_env += {'SODIUM_USE_PKG_CONFIG': '1'} elif sodium == 'built-in' plugins += {'gst-plugin-sodium': 'libgstsodium'} endif cc = meson.get_compiler('c') csound_option = get_option('csound') # try first to find csound using pkg-config csound_dep = dependency('', required: false) if not csound_dep.found() and not csound_option.disabled() # if csound isn't distributed with pkg-config then user needs to define CSOUND_LIB_DIR with its location res = run_command(python, '-c', 'import os; print(os.environ["CSOUND_LIB_DIR"])', check: false) if res.returncode() == 0 csound_libdir = res.stdout().strip() csound_dep = cc.find_library('csound64', dirs: csound_libdir, required: false) if csound_dep.found() extra_env += {'CSOUND_LIB_DIR': csound_libdir} endif endif endif if csound_dep.found() plugins += {'gst-plugin-csound' : 'libgstcsound'} elif csound_option.enabled() error('csound option is enabled, but csound64 library could not be found and CSOUND_LIB_DIR was not set') else message('csound not found, disabling its plugin') endif if dependency('gtk4', version: '>= 4.6.0', required : get_option('gtk4')).found() plugins += {'gst-plugin-gtk4' : 'libgstgtk4',} endif output = [] extensions = [] # Add the plugin file as output if get_option('default_library') == 'shared' or get_option('default_library') == 'both' extensions += [ext_dynamic] foreach p, lib : plugins output += [lib + '.' + ext_dynamic] endforeach endif static_build = get_option('default_library') == 'static' if static_build or get_option('default_library') == 'both' extensions += [ext_static] foreach p, lib : plugins output += [lib + '.' + ext_static] endforeach endif # Need to depends on all gstreamer-rs deps to ensure they are built # before gstreamer-rs when building with gst-build. # Custom targets can't depend on dependency() objects so we have to depend # on the library variable from the subproject instead. gst_req = '>= 1.18.0' depends = [] deps = [ # name, subproject name, subproject dep, library object ['gstreamer-1.0', 'gstreamer', 'gst_dep', 'libgst'], ['gstreamer-app-1.0', 'gst-plugins-base', 'app_dep', 'gstapp'], ['gstreamer-audio-1.0', 'gst-plugins-base', 'audio_dep', 'gstaudio'], ['gstreamer-base-1.0', 'gstreamer', 'gst_base_dep', 'gst_base'], ['gstreamer-check-1.0', 'gstreamer', 'gst_check_dep', 'gst_check'], ['gstreamer-net-1.0', 'gstreamer', 'gst_net_dep', 'gst_net'], ['gstreamer-rtp-1.0', 'gst-plugins-base', 'rtp_dep', 'gst_rtp'], ['gstreamer-video-1.0', 'gst-plugins-base', 'video_dep', 'gstvideo'], ['gstreamer-sdp-1.0', 'gst-plugins-base', 'sdp_dep', 'gstsdp'], ['gstreamer-webrtc-1.0', 'gst-plugins-bad', 'gstwebrtc_dep', 'gstwebrtc'], ] # Used to not lookup the same dependency multiple times which clutters logs deps_cache = {} foreach d: deps dep = dependency(d[0], version : gst_req, fallback : [d[1], d[2]]) set_variable(d[2], dep) deps_cache += {d[0]: dep} if dep.type_name() == 'internal' lib = subproject(d[1]).get_variable(d[3]) depends += lib endif endforeach include = ','.join(plugins.keys()) plugins_install_dir = get_option('libdir') / 'gstreamer-1.0' pkgconfig_install_dir = get_option('libdir') / 'pkgconfig' if get_option('doc').disabled() disable_doc = ['--disable-doc'] else disable_doc = [] endif # 'pkgconfig' is the entry in the machine file, if specified pkg_config = find_program('pkgconfig', required: false) if pkg_config.found() extra_env += {'PKG_CONFIG': pkg_config.full_path()} endif pkg_config_path = get_option('pkg_config_path') if pkg_config_path.length() > 0 pathsep = ':' if host_system == 'windows' pathsep = ';' endif extra_env += {'PKG_CONFIG_PATH': pathsep.join(pkg_config_path)} endif rs_plugins = custom_target('gst-plugins-rs', build_by_default: true, output: output, console: true, install: true, install_dir: plugins_install_dir, depends: depends, depfile: 'gst-plugins-rs.dep', env: extra_env, command: [cargo_wrapper, 'build', meson.current_build_dir(), meson.current_source_dir(), meson.global_build_root(), target, include, get_option('prefix'), get_option('libdir'), '--depfile', '@DEPFILE@', '--exts', extensions, ] + disable_doc) plugins = rs_plugins.to_list() # This is used by GStreamer to static link Rust plugins into gst-full gst_plugins = [] pc_files = [] plugin_names = [] foreach plugin : plugins # skip the 'lib' prefix and extension from plugin path plugin_name = fs.stem(plugin.full_path()).substring(3) # Extract plugin dependencies from their Cargo.toml file plugin_deps = [] p = run_command('dependencies.py', meson.current_source_dir(), plugin_name, capture: true, check: true) foreach dep_name : p.stdout().strip().split(',') dep_name_version = dep_name.split('|') dep_name = dep_name_version.get(0) if dep_name_version.length() > 1 extras = {'version': dep_name_version.get(1)} else extras = {} endif if deps_cache.has_key(dep_name) plugin_deps += deps_cache[dep_name] else dep = dependency(dep_name, required: false, kwargs: extras) plugin_deps += dep deps_cache += {dep_name: dep} endif endforeach dep = declare_dependency( link_with: plugin, dependencies: plugin_deps, variables: {'full_path': plugin.full_path()}, ) meson.override_dependency(plugin_name, dep) if static_build and plugin_name in ['gstcsound', 'gstthreadshare', 'gstgtk4'] warning('Static plugin @0@ is known to fail. It will not be included in libgstreamer-full.'.format(plugin_name)) else gst_plugins += dep pc_files += [plugin_name + '.pc'] if plugin_name.startswith('gst') plugin_names += [plugin_name.substring(3)] else plugin_names += [plugin_name] endif endif endforeach subdir('docs') # We don't need to pass a command as we depends on the target above # but it is currently mandatory ( https://github.com/mesonbuild/meson/issues/8059 ) # so use python as it's guaranteed to be present on any setup custom_target('gst-plugins-rs-pc-files', build_by_default: true, output: pc_files, console: true, install: true, install_dir: pkgconfig_install_dir, depends: rs_plugins, command: [python, '-c', '""']) custom_target('gst-webrtc-signalling-server', build_by_default: true, output: 'gst-webrtc-signalling-server', console: true, install: true, install_dir: get_option('bindir'), depfile: 'gst-webrtc-signalling-server.dep', env: extra_env, command: [cargo_wrapper, 'build', meson.current_build_dir(), meson.current_source_dir(), meson.global_build_root(), target, '', get_option('prefix'), get_option('libdir'), '--depfile', '@DEPFILE@', '--exts', ext_exe, '--bin', 'gst-webrtc-signalling-server' ]) test('tests', cargo_wrapper, env: extra_env, args: ['test', meson.current_build_dir(), meson.current_source_dir(), meson.global_build_root(), target, include, get_option('prefix'), get_option('libdir')], timeout: 600) summary({ 'Plugins': plugin_names, }, list_sep: ', ')