1 project('gst-plugins-base', 'c',
3 meson_version : '>= 0.54',
4 default_options : [ 'warning_level=1',
5 'buildtype=debugoptimized' ])
7 gst_version = meson.project_version()
8 version_arr = gst_version.split('.')
9 gst_version_major = version_arr[0].to_int()
10 gst_version_minor = version_arr[1].to_int()
11 gst_version_micro = version_arr[2].to_int()
12 if version_arr.length() == 4
13 gst_version_nano = version_arr[3].to_int()
17 gst_version_is_dev = gst_version_minor % 2 == 1 and gst_version_micro < 90
19 host_system = host_machine.system()
21 have_cxx = add_languages('cpp', native: false, required: false)
23 if host_system in ['ios', 'darwin']
24 have_objc = add_languages('objc', native: false)
29 glib_req = '>= 2.44.0'
31 gst_req = '>= @0@.@1@.0'.format(gst_version_major, gst_version_minor)
35 # maintaining compatibility with the previous libtool versioning
36 # current = minor * 100 + micro
37 curversion = gst_version_minor * 100 + gst_version_micro
38 libversion = '@0@.@1@.0'.format(soversion, curversion)
39 osxversion = curversion + 1
41 plugins_install_dir = join_paths(get_option('libdir'), 'gstreamer-1.0')
44 cc = meson.get_compiler('c')
46 if cc.get_id() == 'msvc'
47 # Ignore several spurious warnings for things gstreamer does very commonly
48 # If a warning is completely useless and spammy, use '/wdXXXX' to suppress it
49 # If a warning is harmless but hard to fix, use '/woXXXX' so it's shown once
50 # NOTE: Only add warnings here if you are sure they're spurious
51 add_project_arguments(
52 '/wd4018', # implicit signed/unsigned conversion
53 '/wd4146', # unary minus on unsigned (beware INT_MIN)
54 '/wd4244', # lossy type conversion (e.g. double -> int)
55 '/wd4305', # truncating type conversion (e.g. double -> float)
56 cc.get_supported_arguments(['/utf-8']), # set the input encoding to utf-8
58 # Disable SAFESEH with MSVC for plugins and libs that use external deps that
59 # are built with MinGW
60 noseh_link_args = ['/SAFESEH:NO']
65 if cc.has_link_argument('-Wl,-Bsymbolic-functions')
66 add_project_link_arguments('-Wl,-Bsymbolic-functions', language : 'c')
69 core_conf = configuration_data()
72 if cc.get_id() == 'msvc'
73 export_define = '__declspec(dllexport) extern'
74 elif cc.has_argument('-fvisibility=hidden')
75 add_project_arguments('-fvisibility=hidden', language: 'c')
77 add_project_arguments('-fvisibility=hidden', language: 'objc')
79 export_define = 'extern __attribute__ ((visibility ("default")))'
81 export_define = 'extern'
84 # Passing this through the command line would be too messy
85 core_conf.set('GST_API_EXPORT', export_define)
87 # Disable strict aliasing
88 if cc.has_argument('-fno-strict-aliasing')
89 add_project_arguments('-fno-strict-aliasing', language: 'c')
92 # Define G_DISABLE_DEPRECATED for development versions
94 message('Disabling deprecated GLib API')
95 add_project_arguments('-DG_DISABLE_DEPRECATED', language: 'c')
98 cast_checks = get_option('gobject-cast-checks')
99 if cast_checks.disabled() or (cast_checks.auto() and not gst_version_is_dev)
100 message('Disabling GLib cast checks')
101 add_project_arguments('-DG_DISABLE_CAST_CHECKS', language: 'c')
104 glib_asserts = get_option('glib-asserts')
105 if glib_asserts.disabled() or (glib_asserts.auto() and not gst_version_is_dev)
106 message('Disabling GLib asserts')
107 add_project_arguments('-DG_DISABLE_ASSERT', language: 'c')
110 glib_checks = get_option('glib-checks')
111 if glib_checks.disabled() or (glib_checks.auto() and not gst_version_is_dev)
112 message('Disabling GLib checks')
113 add_project_arguments('-DG_DISABLE_CHECKS', language: 'c')
116 # These are only needed/used by the ABI tests from core
118 [ 'x86', 'HAVE_CPU_I386' ],
119 [ 'x86_64', 'HAVE_CPU_X86_64' ],
120 [ 'arm', 'HAVE_CPU_ARM' ],
121 [ 'aarch64', 'HAVE_CPU_AARCH64' ],
122 [ 'mips', 'HAVE_CPU_MIPS' ],
123 [ 'powerpc', 'HAVE_CPU_PPC' ],
124 [ 'powerpc64', 'HAVE_CPU_PPC64' ],
125 [ 'alpha', 'HAVE_CPU_ALPHA' ],
126 [ 'sparc', 'HAVE_CPU_SPARC' ],
127 [ 'ia64', 'HAVE_CPU_IA64' ],
128 [ 'hppa', 'HAVE_CPU_HPPA' ],
129 [ 'm68k', 'HAVE_CPU_M68K' ],
130 [ 's390', 'HAVE_CPU_S390' ],
132 foreach h : host_defines
133 if h.get(0) == host_machine.cpu()
134 core_conf.set(h.get(1), 1)
137 # FIXME: should really be called HOST_CPU or such
138 core_conf.set_quoted('TARGET_CPU', host_machine.cpu())
141 ['HAVE_DLFCN_H', 'dlfcn.h'],
142 ['HAVE_EMMINTRIN_H', 'emmintrin.h'],
143 ['HAVE_INTTYPES_H', 'inttypes.h'],
144 ['HAVE_MEMORY_H', 'memory.h'],
145 ['HAVE_NETINET_IN_H', 'netinet/in.h'],
146 ['HAVE_NETINET_TCP_H', 'netinet/tcp.h'],
147 ['HAVE_PROCESS_H', 'process.h'],
148 ['HAVE_SMMINTRIN_H', 'smmintrin.h'],
149 ['HAVE_STDINT_H', 'stdint.h'],
150 ['HAVE_STRINGS_H', 'strings.h'],
151 ['HAVE_STRING_H', 'string.h'],
152 ['HAVE_SYS_SOCKET_H', 'sys/socket.h'],
153 ['HAVE_SYS_STAT_H', 'sys/stat.h'],
154 ['HAVE_SYS_TYPES_H', 'sys/types.h'],
155 ['HAVE_SYS_WAIT_H', 'sys/wait.h'],
156 ['HAVE_UNISTD_H', 'unistd.h'],
157 ['HAVE_WINSOCK2_H', 'winsock2.h'],
158 ['HAVE_XMMINTRIN_H', 'xmmintrin.h'],
159 ['HAVE_LINUX_DMA_BUF_H', 'linux/dma-buf.h'],
161 foreach h : check_headers
162 if cc.has_header(h.get(1))
163 core_conf.set(h.get(0), 1)
168 ['HAVE_DCGETTEXT', 'dcgettext', '#include<libintl.h>'],
169 ['HAVE_GMTIME_R', 'gmtime_r', '#include<time.h>'],
170 ['HAVE_LOCALTIME_R', 'localtime_r', '#include<time.h>'],
171 ['HAVE_LRINTF', 'lrintf', '#include<math.h>'],
172 ['HAVE_MMAP', 'mmap', '#include<sys/mman.h>'],
173 ['HAVE_LOG2', 'log2', '#include<math.h>'],
176 libm = cc.find_library('m', required : false)
177 foreach f : check_functions
178 if cc.has_function(f.get(1), prefix : f.get(2), dependencies : libm)
179 core_conf.set(f.get(0), 1)
183 core_conf.set('SIZEOF_CHAR', cc.sizeof('char'))
184 core_conf.set('SIZEOF_INT', cc.sizeof('int'))
185 core_conf.set('SIZEOF_LONG', cc.sizeof('long'))
186 core_conf.set('SIZEOF_SHORT', cc.sizeof('short'))
187 core_conf.set('SIZEOF_VOIDP', cc.sizeof('void*'))
189 core_conf.set_quoted('GETTEXT_PACKAGE', 'gst-plugins-base-1.0')
190 core_conf.set_quoted('LOCALEDIR', join_paths(get_option('prefix'), get_option('localedir')))
191 core_conf.set_quoted('PACKAGE', 'gst-plugins-base')
192 core_conf.set_quoted('VERSION', gst_version)
193 core_conf.set_quoted('PACKAGE_VERSION', gst_version)
194 core_conf.set_quoted('GST_API_VERSION', api_version)
195 core_conf.set_quoted('GST_DATADIR', join_paths(get_option('prefix'), get_option('datadir')))
196 core_conf.set_quoted('GST_LICENSE', 'LGPL')
198 install_plugins_helper = get_option('install_plugins_helper')
199 if install_plugins_helper == ''
200 install_plugins_helper = join_paths(get_option('prefix'),
201 get_option('libexecdir'),
202 'gst-install-plugins-helper')
204 core_conf.set_quoted('GST_INSTALL_PLUGINS_HELPER', install_plugins_helper)
207 '-Wmissing-declarations',
212 '-Wformat-nonliteral',
215 '-Wmissing-include-dirs',
223 '-Wmissing-prototypes',
224 '-Wdeclaration-after-statement',
227 warning_cxx_flags = [
228 '-Waggregate-return',
232 cxx = meson.get_compiler('cpp')
233 foreach extra_arg : warning_cxx_flags
234 if cxx.has_argument (extra_arg)
235 add_project_arguments([extra_arg], language: 'cpp')
240 foreach extra_arg : warning_flags
241 if cc.has_argument (extra_arg)
242 add_project_arguments([extra_arg], language: 'c')
244 if have_cxx and cxx.has_argument (extra_arg)
245 add_project_arguments([extra_arg], language: 'cpp')
249 foreach extra_arg : warning_c_flags
250 if cc.has_argument (extra_arg)
251 add_project_arguments([extra_arg], language: 'c')
255 # GStreamer package name and origin url
256 gst_package_name = get_option('package-name')
257 if gst_package_name == ''
258 if gst_version_nano == 0
259 gst_package_name = 'GStreamer Base Plug-ins source release'
260 elif gst_version_nano == 1
261 gst_package_name = 'GStreamer Base Plug-ins git'
263 gst_package_name = 'GStreamer Base Plug-ins prerelease'
266 core_conf.set_quoted('GST_PACKAGE_NAME', gst_package_name)
267 core_conf.set_quoted('GST_PACKAGE_ORIGIN', get_option('package-origin'))
269 # FIXME: These should be configure options
270 core_conf.set_quoted('DEFAULT_VIDEOSINK', 'autovideosink')
271 core_conf.set_quoted('DEFAULT_AUDIOSINK', 'autoaudiosink')
273 # Set whether the audioresampling method should be detected at runtime
274 core_conf.set('AUDIORESAMPLE_FORMAT_' + get_option('audioresample_format').to_upper(), true)
276 gst_plugins_base_args = ['-DHAVE_CONFIG_H']
277 if get_option('default_library') == 'static'
278 gst_plugins_base_args += ['-DGST_STATIC_COMPILATION']
281 # X11 checks are for sys/ and tests/
282 x11_dep = dependency('x11', required : get_option('x11'))
283 # GLib checks are for the entire project
284 # Almost everything that uses glib also uses gobject
285 glib_deps = [dependency('glib-2.0', version : glib_req, fallback: ['glib', 'libglib_dep']),
286 dependency('gobject-2.0', fallback: ['glib', 'libgobject_dep'])]
287 # GIO is used by the GIO plugin, and by the TCP, SDP, and RTSP plugins
288 gio_dep = dependency('gio-2.0', fallback: ['glib', 'libgio_dep'])
289 giounix_dep = dependency('', required: false)
290 if host_system != 'windows'
291 giounix_dep = dependency('gio-unix-2.0', version : glib_req,
292 fallback: ['glib', 'libgiounix_dep'])
294 gmodule_dep = dependency('gmodule-no-export-2.0',
295 fallback: ['glib', 'libgmodule_dep'])
297 # some of the examples can use gdk-pixbuf and GTK+3
298 gdk_pixbuf_dep = dependency('gdk-pixbuf-2.0', required : get_option('examples'))
299 gtk_dep = dependency('gtk+-3.0', version : '>= 3.10', required : get_option('examples'))
300 # TODO: https://github.com/mesonbuild/meson/issues/3941
301 if not get_option('x11').disabled()
302 gtk_x11_dep = dependency('gtk+-x11-3.0', version : '>= 3.10', required : get_option('examples'))
304 gtk_x11_dep = dependency('', required : false)
306 # gtk+ quartz backend is only available on macOS
307 if host_system == 'darwin'
308 gtk_quartz_dep = dependency('gtk+-quartz-3.0', version : '>= 3.10', required : get_option('examples'))
310 gtk_quartz_dep = dependency('', required : false)
313 core_conf.set('HAVE_X11', x11_dep.found())
314 core_conf.set('HAVE_GIO_UNIX_2_0', giounix_dep.found())
316 if gio_dep.type_name() == 'pkgconfig'
317 core_conf.set_quoted('GIO_MODULE_DIR',
318 gio_dep.get_pkgconfig_variable('giomoduledir'))
319 core_conf.set_quoted('GIO_LIBDIR',
320 gio_dep.get_pkgconfig_variable('libdir'))
321 core_conf.set_quoted('GIO_PREFIX',
322 gio_dep.get_pkgconfig_variable('prefix'))
324 core_conf.set_quoted('GIO_MODULE_DIR', join_paths(get_option('prefix'),
325 get_option('libdir'), 'gio/modules'))
326 core_conf.set_quoted('GIO_LIBDIR', join_paths(get_option('prefix'),
327 get_option('libdir')))
328 core_conf.set_quoted('GIO_PREFIX', join_paths(get_option('prefix')))
331 configinc = include_directories('.')
332 libsinc = include_directories('gst-libs')
334 # To use the subproject make subprojects directory
335 # and put gstreamer meson git there (symlinking is fine)
336 gst_dep = dependency('gstreamer-1.0', version : gst_req,
337 fallback : ['gstreamer', 'gst_dep'])
338 gst_base_dep = dependency('gstreamer-base-1.0', version : gst_req,
339 fallback : ['gstreamer', 'gst_base_dep'])
340 gst_net_dep = dependency('gstreamer-net-1.0', version : gst_req,
341 fallback : ['gstreamer', 'gst_net_dep'])
342 gst_check_dep = dependency('gstreamer-check-1.0', version : gst_req,
343 required : get_option('tests'),
344 fallback : ['gstreamer', 'gst_check_dep'])
345 gst_controller_dep = dependency('gstreamer-controller-1.0', version : gst_req,
346 fallback : ['gstreamer', 'gst_controller_dep'])
351 # Used by various libraries/elements that use Orc code
352 orc_dep = dependency('orc-0.4', version : orc_req, required : get_option('orc'),
353 fallback : ['orc', 'orc_dep'])
354 orcc = find_program('orcc', required : get_option('orc'))
355 if orc_dep.found() and orcc.found()
357 orcc_args = [orcc, '--include', 'glib.h']
358 core_conf.set('HAVE_ORC', 1)
360 message('Orc Compiler not found or disabled, will use backup C code')
361 core_conf.set('DISABLE_ORC', 1)
364 # Used to build SSE* things in audio-resampler
367 sse41_args = '-msse4.1'
369 have_sse = cc.has_argument(sse_args)
370 have_sse2 = cc.has_argument(sse2_args)
371 have_sse41 = cc.has_argument(sse41_args)
373 if host_machine.cpu_family() == 'arm'
375 #include <arm_neon.h>
376 int32x4_t testfunc(int16_t *a, int16_t *b) {
377 asm volatile ("vmull.s16 q0, d0, d0" : : : "q0");
378 return vmull_s16(vld1_s16(a), vld1_s16(b));
380 ''', name : 'NEON support')
381 core_conf.set('HAVE_ARM_NEON', true)
385 if gst_dep.type_name() == 'internal'
386 gst_proj = subproject('gstreamer')
388 if not gst_proj.get_variable('gst_debug')
389 message('GStreamer debug system is disabled')
390 add_project_arguments('-Wno-unused', language: 'c')
392 message('GStreamer debug system is enabled')
395 # We can't check that in the case of subprojects as we won't
396 # be able to build against an internal dependency (which is not built yet)
397 if not cc.compiles('''
398 #include <gst/gstconfig.h>
399 #ifdef GST_DISABLE_GST_DEBUG
400 #error "debugging disabled, make compiler fail"
401 #endif''' , dependencies: gst_dep)
402 message('GStreamer debug system is disabled')
403 add_project_arguments('-Wno-unused', language: 'c')
405 message('GStreamer debug system is enabled')
409 if cc.has_member('struct tcp_info', '__tcpi_reordering', prefix: '#include <netinet/tcp.h>')
410 core_conf.set('HAVE_BSD_TCP_INFO', true)
413 if cc.has_member('struct tcp_info', 'tcpi_reordering', prefix: '#include <netinet/tcp.h>')
414 core_conf.set('HAVE_LINUX_TCP_INFO', true)
417 gir = find_program('g-ir-scanner', required : get_option('introspection'))
418 gnome = import('gnome')
419 build_gir = gir.found() and (not meson.is_cross_build() or get_option('introspection').enabled())
420 gir_init_section = [ '--add-init-section=extern void gst_init(gint*,gchar**);' + \
421 'g_setenv("GST_REGISTRY_DISABLE", "yes", TRUE);' + \
422 'g_setenv("GST_REGISTRY_1.0", "@0@", TRUE);'.format(meson.current_build_dir() + '/gir_empty_registry.reg') + \
423 'g_setenv("GST_PLUGIN_PATH_1_0", "", TRUE);' + \
424 'g_setenv("GST_PLUGIN_SYSTEM_PATH_1_0", "", TRUE);' + \
425 'gst_init(NULL,NULL);', '--quiet']
427 pkgconfig = import('pkgconfig')
428 plugins_pkgconfig_install_dir = join_paths(plugins_install_dir, 'pkgconfig')
429 if get_option('default_library') == 'shared'
430 # If we don't build static plugins there is no need to generate pc files
431 plugins_pkgconfig_install_dir = disabler()
434 python3 = import('python').find_installation()
439 if not get_option('tools').disabled()
444 # xgettext is optional (on Windows for instance)
445 if find_program('xgettext', required : get_option('nls')).found()
446 core_conf.set('ENABLE_NLS', 1)
453 update_orc_dist_files = find_program('scripts/update-orc-dist-files.py')
455 orc_update_targets = []
456 foreach t : orc_targets
457 orc_name = t.get('name')
458 orc_file = t.get('orc-source')
459 header = t.get('header')
460 source = t.get('source')
461 # alias_target() only works with build targets, so can't use run_target() here
462 orc_update_targets += [
463 custom_target('update-orc-@0@'.format(orc_name),
464 input: [header, source],
465 command: [update_orc_dist_files, orc_file, header, source],
466 output: ['@0@-dist.c'.format(orc_name)]) # not entirely true
470 if meson.version().version_compare('>= 0.52')
471 update_orc_dist_target = alias_target('update-orc-dist', orc_update_targets)
476 if gst_version_nano == 0
477 extract_release_date = find_program('scripts/extract-release-date-from-doap-file.py')
478 run_result = run_command(extract_release_date, gst_version, files('gst-plugins-base.doap'))
479 if run_result.returncode() == 0
480 release_date = run_result.stdout().strip()
481 core_conf.set_quoted('GST_PACKAGE_RELEASE_DATETIME', release_date)
482 message('Package release date: ' + release_date)
484 # Error out if our release can't be found in the .doap file
485 error(run_result.stderr())
489 # Use core_conf after all subdirs have set values
490 configure_file(output : 'config.h', configuration : core_conf)
492 run_command(python3, '-c', 'import shutil; shutil.copy("hooks/pre-commit.hook", ".git/hooks/pre-commit")')
494 if meson.version().version_compare('>= 0.54')
496 foreach plugin: plugins
497 # FIXME: Use str.subtring() when we can depend on Meson 0.56
498 split = plugin.name().split('gst')
499 if split.length() == 2
500 plugin_names += [split[1]]
502 warning('Need substring API in meson >= 0.56 to properly parse plugin name: ' + plugin.name())
503 plugin_names += [plugin.name()]
506 summary({'Plugins':plugin_names}, list_sep: ', ')