project('gst-plugins-rs', 'rust', 'c', version: '0.13.0', meson_version : '>= 0.56') 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', 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() if system == 'windows' ext_dynamic = 'dll' ext_static = 'lib' elif system == 'darwin' ext_dynamic = 'dylib' ext_static = 'a' else ext_dynamic = 'so' ext_static = 'a' endif plugins_rep = { 'audio/audiofx': 'libgstrsaudiofx', 'video/cdg': 'libgstcdg', 'audio/claxon': 'libgstclaxon', 'utils/fallbackswitch': 'libgstfallbackswitch', 'video/ffv1': 'libgstffv1', 'generic/file': 'libgstrsfile', 'video/flavors': 'libgstrsflv', 'video/gif': 'libgstgif', 'audio/lewton': 'libgstlewton', 'video/rav1e': 'libgstrav1e', 'net/reqwest': 'libgstreqwest', 'video/rspng': 'libgstrspng', 'net/rusoto': 'libgstrusoto', 'text/wrap': 'libgstrstextwrap', 'generic/threadshare': 'libgstthreadshare', 'utils/togglerecord': 'libgsttogglerecord', 'video/hsv': 'libgsthsv', 'text/json': 'libgstrsjson', 'text/regex': 'libgstrsregex', # FIXME: libwebp-sys2 will build its bundled version on msvc and apple platforms # https://github.com/qnighy/libwebp-sys2-rs/issues/4 'video/webp': 'libgstrswebp', } exclude = [] extra_env = {} if dependency('pangocairo', required : get_option('closedcaption')).found() plugins_rep += {'video/closedcaption' : 'libgstrsclosedcaption',} else exclude += ['video/closedcaption'] endif if dependency('dav1d', required : get_option('dav1d')).found() plugins_rep += {'video/dav1d' : 'libgstrsdav1d'} else exclude += ['video/dav1d'] endif sodium = get_option ('sodium') if sodium == 'system' dependency('libsodium') plugins_rep += {'generic/sodium': 'libgstsodium'} extra_env += {'SODIUM_USE_PKG_CONFIG': '1'} elif sodium == 'built-in' plugins_rep += {'generic/sodium': 'libgstsodium'} else exclude += ['generic/sodium'] 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 python3 = import('python').find_installation() res = run_command(python3, '-c', 'import os; print(os.environ["CSOUND_LIB_DIR"])') 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_rep += {'audio/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') exclude += ['audio/csound'] 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_rep output += [lib + '.' + ext_dynamic] endforeach endif if get_option('default_library') == 'static' or get_option('default_library') == 'both' extensions += [ext_static] foreach p, lib : plugins_rep output += [lib + '.' + ext_static] endforeach endif pc_files = [] foreach p, lib : plugins_rep # skip the 'lib' prefix in plugin name pc_files += [lib.substring(3) + '.pc'] endforeach # 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 = '>= 1.14.0' 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'], ] foreach d: deps dep = dependency(d[0], version : gst_req, fallback : [d[1], d[2]]) if dep.type_name() == 'internal' lib = subproject(d[1]).get_variable(d[3]) depends += lib endif endforeach exclude = ','.join(exclude) # serialize extra_env extra_env_list = [] foreach key, value : extra_env extra_env_list += key + ':' + value endforeach extra_env_str = ','.join(extra_env_list) plugins_install_dir = get_option('libdir') / 'gstreamer-1.0' pkgconfig_install_dir = get_option('libdir') / 'pkgconfig' # Always build the target so we don't have to list all source files as input rs_plugins = custom_target('gst-plugins-rs', build_by_default: true, output: output, console: true, install: true, install_dir: plugins_install_dir, build_always_stale: true, depends: depends, command: [cargo_wrapper, 'build', meson.current_build_dir(), meson.current_source_dir(), meson.build_root(), target, exclude, extra_env_str, get_option('prefix'), get_option('libdir'), extensions]) plugins = rs_plugins.to_list() # 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 python = import('python').find_installation() 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', '""']) test('tests', cargo_wrapper, args: ['test', meson.current_build_dir(), meson.current_source_dir(), meson.build_root(), target, exclude, extra_env_str, get_option('prefix'), get_option('libdir')], timeout: 600)