-project('gst-examples', 'c', version : '1.19.1.1', license : 'LGPL')
+project('gstreamer-full', 'c',
+ version : '1.21.0.1',
+ meson_version : '>= 0.59',
+ default_options : ['buildtype=debugoptimized',
+ # Needed due to https://github.com/mesonbuild/meson/issues/1889,
+ # but this can cause problems in the future. Remove it
+ # when it's no longer necessary.
+ 'cpp_std=c++14'])
+gst_version = '>= @0@'.format(meson.project_version())
+
+build_system = build_machine.system()
cc = meson.get_compiler('c')
-m_dep = cc.find_library('m', required : false)
-if cc.get_id() == 'msvc'
- add_project_arguments(
+fs = import('fs')
+gnome = import('gnome')
+pkgconfig = import('pkgconfig')
+python3 = import('python').find_installation()
+# Ensure that we're not being run from inside the development environment
+# because that will confuse meson, and it might find the already-built
+# gstreamer. It's fine if people run `ninja` as long as it doesn't run
+# reconfigure because ninja doesn't care about the env.
+ensure_not_devenv = '''
+import os
+assert('GST_ENV' not in os.environ)
+'''
+cmdres = run_command(python3, '-c', ensure_not_devenv, check: false)
+if cmdres.returncode() != 0
+ error('Do not run `ninja reconfigure` or `meson` for gst-build inside the development environment, you will run into problems')
+endif
+
+# Install gst-indent pre-commit hook
+run_command(python3, '-c', 'import shutil; shutil.copy("scripts/git-hooks/multi-pre-commit.hook", ".git/hooks/pre-commit")', check: false)
+
+# Ensure that the user does not have Strawberry Perl in PATH, since it ships
+# with a pkg-config.bat and broken pkgconfig files for libffi and zlib. Will
+# cause a build error, such as in
+# https://gitlab.freedesktop.org/gstreamer/gst-build/-/issues/41
+ensure_no_strawberry_perl = '''
+import os
+assert(r'Strawberry\perl\bin' not in os.environ['PATH'])
+'''
+if build_system == 'windows' and meson.version().version_compare('<0.60.0')
+ cmdres = run_command(python3, '-c', ensure_no_strawberry_perl, check: false)
+ if cmdres.returncode() != 0
+ error('You have Strawberry Perl in PATH which is known to cause build issues with Meson < 0.60.0. Please remove it from PATH, uninstall it, or upgrade Meson.')
+ endif
+endif
+
+documented_projects = ''
+# Make it possible to use msys2 built zlib which fails
+# when not using the mingw toolchain as it uses unistd.h
+if not meson.is_subproject() and cc.get_id() == 'msvc'
+ uname = find_program('uname', required: false)
+ if uname.found()
+ ret = run_command(uname, '-o', check: false)
+ if ret.returncode() == 0 and ret.stdout().to_lower() == 'msys'
+ ret = run_command(uname, '-r', check: false)
+ # The kernel version returned by uname is actually the msys version
+ if ret.returncode() == 0 and ret.stdout().startswith('2')
+ # If a system zlib is found, disable UNIX features in zlib.h and zconf.h
+ if cc.find_library('z').found()
+ add_global_arguments('-DZ_SOLO', language: 'c')
+ endif
+ endif
+ endif
+ endif
+endif
+
+# Ensure that MSVC interprets all source code as UTF-8. Only do this when we're
+# not a subproject, because subprojects are not allowed to call
+# add_global_arguments().
+if not meson.is_subproject() and cc.get_id() == 'msvc'
+ add_global_arguments(
cc.get_supported_arguments(['/utf-8']), # set the input encoding to utf-8
- language : 'c')
-endif
-
-gst_version = meson.project_version()
-version_arr = gst_version.split('.')
-
-gst_version_major = version_arr[0].to_int()
-gst_version_minor = version_arr[1].to_int()
-
-gst_req = '>= @0@.@1@.0'.format(gst_version_major, gst_version_minor)
-
-glib_dep = dependency('glib-2.0', version: '>= 2.38',
- fallback: ['glib', 'libglib_dep'])
-gio_dep = dependency('gio-2.0',
- fallback: ['glib', 'libgio_dep'])
-gobject_dep = dependency('gobject-2.0', version: '>= 2.38',
- fallback: ['glib', 'libgobject_dep'])
-gmodule_dep = dependency('gmodule-2.0',
- fallback: ['glib', 'libgmodule_dep'])
-
-gst_dep = dependency('gstreamer-1.0', version: gst_req,
- fallback : ['gstreamer', 'gst_dep'])
-gstplay_dep = dependency('gstreamer-play-1.0', version: gst_req,
- fallback: ['gst-plugins-bad', 'gstplay_dep'])
-gsttag_dep = dependency('gstreamer-tag-1.0', version: gst_req,
- fallback: ['gst-plugins-base', 'tag_dep'])
-gstwebrtc_dep = dependency('gstreamer-webrtc-1.0', version: gst_req,
- fallback: ['gst-plugins-bad', 'gstwebrtc_dep'])
-gstsdp_dep = dependency('gstreamer-sdp-1.0', version : gst_req,
- fallback : ['gst-plugins-base', 'sdp_dep'])
-gstrtp_dep = dependency('gstreamer-rtp-1.0', version : gst_req,
- fallback : ['gst-plugins-base', 'rtp_dep'])
-
-subdir('playback')
-subdir('network')
-subdir('webrtc')
+ language: ['c', 'cpp'])
+endif
+
+# Ordered list of subprojects (dict has no ordering guarantees)
+subprojects = [
+ ['gstreamer', {'build-hotdoc': true}],
+ ['gst-plugins-base', {'option': get_option('base'), 'build-hotdoc': true}],
+ ['gst-plugins-good', {'option': get_option('good'), 'build-hotdoc': true}],
+ ['libnice', { 'option': get_option('libnice'), 'match_gst_version': false}],
+ ['gst-plugins-bad', { 'option': get_option('bad'), 'build-hotdoc': true}],
+ ['gst-plugins-ugly', { 'option': get_option('ugly'), 'build-hotdoc': true}],
+ ['gst-libav', { 'option': get_option('libav'), 'build-hotdoc': true}],
+ ['gst-rtsp-server', { 'option': get_option('rtsp_server'), 'build-hotdoc': true}],
+ ['gst-devtools', { 'option': get_option('devtools'), 'build-hotdoc': true }],
+ ['gst-integration-testsuites', { 'option': get_option('devtools') }],
+ ['gst-editing-services', { 'option': get_option('ges'), 'build-hotdoc': true}],
+ ['gstreamer-vaapi', { 'option': get_option('vaapi'), 'build-hotdoc': true}],
+ ['gst-omx', { 'option': get_option('omx'), 'build-hotdoc': true}],
+ ['gstreamer-sharp', { 'option': get_option('sharp') }],
+ ['pygobject', { 'option': get_option('python'), 'match_gst_version': false, 'sysdep': 'pygobject-3.0', 'sysdep_version': '>= 3.8' }],
+ ['gst-python', { 'option': get_option('python')}],
+ ['gst-examples', { 'option': get_option('gst-examples'), 'match_gst_versions': false}],
+ ['gst-plugins-rs', { 'option': get_option('rs'), 'match_gst_version': false}],
+]
+
+symlink = '''
+import os
+
+os.symlink(os.path.join('@1@', 'subprojects', '@0@'),
+ os.path.join('@1@', '@0@'))
+'''
+
+if build_system == 'windows'
+ subproject('win-flex-bison-binaries')
+ subproject('win-nasm')
+elif build_system == 'darwin'
+ subproject('macos-bison-binary')
+endif
+
+orc_subproject = subproject('orc', required: get_option('orc'))
+
+foreach custom_subproj: get_option('custom_subprojects').split(',')
+ if custom_subproj != ''
+ message ('Adding custom subproject ' + custom_subproj)
+ subprojects += [[custom_subproj, {'match_gst_version': false}]]
+ endif
+endforeach
+
+
+subprojects_names = []
+plugins_doc_caches = []
+orc_update_targets = []
+all_plugins = []
+# Using a list and not a dict to keep the ordering to build the chain of `gir`
+# dependencies
+all_libraries = []
+foreach sp : subprojects
+ project_name = sp[0]
+ build_infos = sp[1]
+ is_required = build_infos.get('option', true)
+ sysdep = build_infos.get('sysdep', '')
+ sysdep_version = build_infos.get('sysdep_version', '')
+ match_gst_version = build_infos.get('match_gst_version', true)
+
+ if match_gst_version
+ subproj = subproject(project_name, version: gst_version, required: is_required)
+ elif sysdep != ''
+ sysdep_dep = dependency(sysdep, version: sysdep_version, required: false)
+ if not sysdep_dep.found()
+ subproj = subproject(project_name, required: is_required)
+ endif
+ else
+ subproj = subproject(project_name, required: is_required)
+ endif
+
+ if subproj.found()
+ plugins = subproj.get_variable('plugins', [])
+ all_plugins += plugins
+ all_libraries += subproj.get_variable('libraries', [])
+
+ orc_update_targets += subproj.get_variable('orc_update_targets', [])
+
+ subprojects_names += [project_name]
+
+ if not meson.is_cross_build() and build_infos.get('build-hotdoc', false)
+ if plugins.length() > 0
+ plugins_doc_caches += [subproj.get_variable('plugins_doc_dep', [])]
+ endif
+ if documented_projects != ''
+ documented_projects += ','
+ endif
+ documented_projects += project_name
+ endif
+ endif
+endforeach
+
+# Check if we need to also build glib-networking for TLS modules
+glib_dep = dependency('glib-2.0')
+if glib_dep.type_name() == 'internal'
+ subproject('glib-networking', required : get_option('tls'),
+ default_options: ['gnutls=auto', 'openssl=auto'])
+endif
+
+plugins_doc_dep = custom_target('plugins-doc-cache',
+ command: [python3, '-c', 'print("Built all doc caches")'],
+ input: plugins_doc_caches,
+ output: 'plugins_doc_caches',
+ capture: true,
+)
+
+if meson.is_cross_build() or build_machine.system() == 'windows'
+ if get_option('doc').enabled()
+ error('Documentation enabled but building the doc while cross building or building on windows is not supported yet.')
+ endif
+
+ documented_projects = ''
+ message('Documentation not built as building the documentation while cross building or building on windows is not supported yet.')
+else
+ hotdoc_p = find_program('hotdoc', required : get_option('doc'))
+ if not hotdoc_p.found()
+ documented_projects = ''
+ message('Not building documentation as hotdoc was not found')
+ endif
+endif
+
+write_file_contents = '''
+import os
+import sys
+
+assert len(sys.argv) >= 3
+fname = sys.argv[1]
+contents = sys.argv[2]
+
+with open(fname, 'w') as f:
+ f.write(contents)
+'''
+
+configure_file(
+ output : 'GstDocumentedSubprojects',
+ command : [python3,
+ '-c', write_file_contents,
+ '@OUTPUT@',
+ documented_projects]
+)
+
+if documented_projects != ''
+ subproject('gst-docs', required: get_option('doc').enabled())
+ message('Gst docs subprojects: ' + documented_projects)
+endif
+
+all_plugins_paths = []
+all_plugins_dirs = []
+foreach plugin: all_plugins
+ all_plugins_paths += plugin.full_path()
+ all_plugins_dirs += fs.parent(plugin.full_path())
+endforeach
+# Work around meson bug: https://github.com/mesonbuild/meson/pull/6770
+pathsep = host_machine.system() == 'windows' ? ';' : ':'
+all_plugins_paths = pathsep.join(all_plugins_paths)
+
+devenv = environment()
+devenv.prepend('GST_PLUGIN_PATH', all_plugins_dirs)
+devenv.set('CURRENT_GST', meson.current_source_dir())
+devenv.set('GST_VERSION', meson.project_version())
+devenv.set('GST_ENV', 'gst-' + meson.project_version())
+devenv.set('GST_REGISTRY', meson.current_build_dir() / 'registry.dat')
+devenv.set('GST_PLUGIN_SYSTEM_PATH', '')
+meson.add_devenv(devenv)
+
+generate_plugins_paths = find_program('scripts/generate_plugins_path.py')
+configure_file(
+ output : 'GstPluginsPath.json',
+ command : [generate_plugins_paths,
+ '@OUTPUT@',
+ all_plugins_paths]
+)
+
+if get_option('default_library') == 'static'
+ # Generate a .c file which declare and register all built plugins
+ plugins_names = []
+ foreach plugin: all_plugins
+ plugins_names += plugin.full_path()
+ endforeach
+ all_plugin_names = ';'.join(plugins_names)
+
+ static_plugins = get_option('gst-full-plugins')
+ if static_plugins == '*'
+ static_plugins = all_plugin_names
+ endif
+ generate_init_static_plugins = find_program('scripts/generate_init_static_plugins.py')
+ init_static_plugins_c = configure_file(
+ output: 'gstinitstaticplugins.c',
+ command : [generate_init_static_plugins,
+ '-o ' + '@OUTPUT@',
+ '-p ' + static_plugins,
+ '-e ' + get_option('gst-full-elements'),
+ '-t ' + get_option('gst-full-typefind-functions'),
+ '-d ' + get_option('gst-full-device-providers'),
+ '-T ' + get_option('gst-full-dynamic-types')
+ ]
+ )
+
+ gstfull_link_args = cc.get_supported_link_arguments(['-Wl,-Bsymbolic-functions'])
+
+ # Get a list of libraries that needs to be exposed in the ABI.
+ exposed_libs = []
+ exposed_girs = []
+ incdir_deps = []
+ wanted_libs = ['gstreamer-1.0'] + get_option('gst-full-libraries')
+ all_libs = '*' in wanted_libs
+
+ foreach pkgname_library : all_libraries
+ pkg_name = pkgname_library[0]
+ lib_def = pkgname_library[1]
+
+ if pkg_name in wanted_libs or all_libs
+ if lib_def.has_key('lib')
+ incdir_deps += dependency(pkg_name).partial_dependency(includes: true, sources: true)
+ exposed_libs += [lib_def['lib']]
+ endif
+
+ if lib_def.has_key('gir')
+ exposed_girs += lib_def['gir']
+ endif
+ endif
+ endforeach
+
+ # glib and gobject are part of our public API. If we are using glib from the
+ # system then our pkg-config file must require it. If we built it as
+ # subproject then we need to link_whole it.
+ glib_deps = []
+ glib_dep = dependency('glib-2.0')
+ gobject_dep = dependency('gobject-2.0')
+ if gobject_dep.type_name() == 'internal'
+ glib_subproject = subproject('glib')
+ exposed_libs += glib_subproject.get_variable('libglib')
+ exposed_libs += glib_subproject.get_variable('libgobject')
+ incdir_deps += [
+ glib_dep.partial_dependency(includes: true),
+ gobject_dep.partial_dependency(includes: true),
+ ]
+ else
+ glib_deps = [glib_dep, gobject_dep]
+ endif
+
+ link_deps = []
+ if get_option('gst-full-version-script') != ''
+ symbol_map = meson.current_source_dir() / get_option('gst-full-version-script')
+ link_arg = '-Wl,--version-script=' + symbol_map
+ if cc.has_link_argument(link_arg)
+ gstfull_link_args += link_arg
+ link_deps += symbol_map
+ elif cc.get_id() == 'msvc'
+ warning('FIXME: Provide a def file to publish the public symbols')
+ else
+ warning('FIXME: Linker does not support the supplied version script (' + symbol_map + '), please disable the "gst-full-version-script" option')
+ endif
+ endif
+
+ # Build both shared and static library
+ gstfull = both_libraries('gstreamer-full-1.0',
+ init_static_plugins_c,
+ link_with : all_plugins,
+ link_args: gstfull_link_args,
+ link_whole : exposed_libs,
+ dependencies : incdir_deps + glib_deps,
+ link_depends : link_deps,
+ install : true,
+ )
+
+ gst_full_dep = declare_dependency(link_with: gstfull.get_shared_lib(),
+ dependencies : incdir_deps + glib_deps,
+ include_directories: include_directories('.')
+ )
+
+ gst_full_libs_private = cc.get_supported_link_arguments(['-Wl,--undefined=gst_init_static_plugins'])
+ if gst_full_libs_private == []
+ warning('The compiler does not support `-Wl,--undefined` linker flag. The method `gst_init_static_plugins` might be dropped during the link stage of an application using libgstreamer-full-1.0.a, preventing plugins registration.')
+ endif
+
+ if not get_option('introspection').disabled()
+ built_girs = {}
+ foreach gir: exposed_girs
+ includes = []
+ foreach include: gir.get('includes', [])
+ includes += [built_girs.get(include, include)]
+ endforeach
+
+ gir += {
+ 'includes': includes,
+ 'extra_args': gir.get('extra_args', []) + ['--add-include-path=' + meson.current_build_dir()],
+ 'install': true,
+ }
+ built_girs += {gir.get('namespace') + '-' + gir.get('nsversion'): gnome.generate_gir(gstfull, kwargs: gir)[0]}
+ endforeach
+ endif
+
+ pkgconfig.generate(gstfull,
+ requires: glib_deps,
+ libraries_private: gst_full_libs_private,
+ subdirs : 'gstreamer-1.0')
+ meson.override_dependency('gstreamer-full-1.0', gst_full_dep)
+endif
+
+message('Building subprojects: ' + ', '.join(subprojects_names))
+
+setenv = find_program('gst-env.py')
+
+devenv_cmd = [setenv, '--builddir=@0@'.format(meson.build_root()),
+ '--srcdir=@0@'.format(meson.source_root())]
+
+subdir('tests')
+if meson.can_run_host_binaries() and build_machine.system() == 'linux' and host_machine.system() == 'windows'
+ # FIXME: Ideally we could get the wrapper directly from meson
+ devenv_cmd += ['--wine', host_machine.cpu_family() == 'x86_64' ? 'wine64' : 'wine32']
+ sysroot = meson.get_cross_property('sys_root')
+ if sysroot != ''
+ # Logic from meson
+ devenv_cmd += ['--winepath', 'Z:' + join_paths(sysroot, 'bin')]
+ endif
+endif
+
+run_target('devenv', command : devenv_cmd)
+
+if orc_subproject.found() and orc_update_targets.length() > 0
+ alias_target('update-orc-dist', orc_update_targets)
+endif
+
+summary({
+ 'gstreamer-full': get_option('default_library') == 'static',
+}, section: 'Build options', bool_yn: true, list_sep: ' ')