1 project('gst-plugins-base', 'c',
3 meson_version : '>= 0.48',
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 have_cxx = add_languages('cpp', required : false)
20 have_objc = add_languages('objc', required : false)
22 glib_req = '>= 2.44.0'
24 gst_req = '>= @0@.@1@.0'.format(gst_version_major, gst_version_minor)
28 # maintaining compatibility with the previous libtool versioning
29 # current = minor * 100 + micro
30 curversion = gst_version_minor * 100 + gst_version_micro
31 libversion = '@0@.@1@.0'.format(soversion, curversion)
32 osxversion = curversion + 1
34 plugins_install_dir = join_paths(get_option('libdir'), 'gstreamer-1.0')
37 cc = meson.get_compiler('c')
38 host_system = host_machine.system()
40 if cc.get_id() == 'msvc'
41 # Ignore several spurious warnings for things gstreamer does very commonly
42 # If a warning is completely useless and spammy, use '/wdXXXX' to suppress it
43 # If a warning is harmless but hard to fix, use '/woXXXX' so it's shown once
44 # NOTE: Only add warnings here if you are sure they're spurious
45 add_project_arguments(
46 '/wd4018', # implicit signed/unsigned conversion
47 '/wd4146', # unary minus on unsigned (beware INT_MIN)
48 '/wd4244', # lossy type conversion (e.g. double -> int)
49 '/wd4305', # truncating type conversion (e.g. double -> float)
50 cc.get_supported_arguments(['/utf-8']), # set the input encoding to utf-8
52 # Disable SAFESEH with MSVC for plugins and libs that use external deps that
53 # are built with MinGW
54 noseh_link_args = ['/SAFESEH:NO']
59 if cc.has_link_argument('-Wl,-Bsymbolic-functions')
60 add_project_link_arguments('-Wl,-Bsymbolic-functions', language : 'c')
63 core_conf = configuration_data()
66 if cc.get_id() == 'msvc'
67 export_define = '__declspec(dllexport) extern'
68 elif cc.has_argument('-fvisibility=hidden')
69 add_project_arguments('-fvisibility=hidden', language: 'c')
70 export_define = 'extern __attribute__ ((visibility ("default")))'
72 export_define = 'extern'
75 # Passing this through the command line would be too messy
76 core_conf.set('GST_API_EXPORT', export_define)
78 # Disable strict aliasing
79 if cc.has_argument('-fno-strict-aliasing')
80 add_project_arguments('-fno-strict-aliasing', language: 'c')
83 # Define G_DISABLE_DEPRECATED for development versions
85 message('Disabling deprecated GLib API')
86 add_project_arguments('-DG_DISABLE_DEPRECATED', language: 'c')
89 cast_checks = get_option('gobject-cast-checks')
90 if cast_checks.disabled() or (cast_checks.auto() and not gst_version_is_dev)
91 message('Disabling GLib cast checks')
92 add_project_arguments('-DG_DISABLE_CAST_CHECKS', language: 'c')
95 glib_asserts = get_option('glib-asserts')
96 if glib_asserts.disabled() or (glib_asserts.auto() and not gst_version_is_dev)
97 message('Disabling GLib asserts')
98 add_project_arguments('-DG_DISABLE_ASSERT', language: 'c')
101 glib_checks = get_option('glib-checks')
102 if glib_checks.disabled() or (glib_checks.auto() and not gst_version_is_dev)
103 message('Disabling GLib checks')
104 add_project_arguments('-DG_DISABLE_CHECKS', language: 'c')
108 ['HAVE_DLFCN_H', 'dlfcn.h'],
109 ['HAVE_EMMINTRIN_H', 'emmintrin.h'],
110 ['HAVE_INTTYPES_H', 'inttypes.h'],
111 ['HAVE_MEMORY_H', 'memory.h'],
112 ['HAVE_PROCESS_H', 'process.h'],
113 ['HAVE_SMMINTRIN_H', 'smmintrin.h'],
114 ['HAVE_STDINT_H', 'stdint.h'],
115 ['HAVE_STDLIB_H', 'stdlib.h'],
116 ['HAVE_STRINGS_H', 'strings.h'],
117 ['HAVE_STRING_H', 'string.h'],
118 ['HAVE_SYS_SOCKET_H', 'sys/socket.h'],
119 ['HAVE_SYS_STAT_H', 'sys/stat.h'],
120 ['HAVE_SYS_TYPES_H', 'sys/types.h'],
121 ['HAVE_SYS_WAIT_H', 'sys/wait.h'],
122 ['HAVE_UNISTD_H', 'unistd.h'],
123 ['HAVE_WINSOCK2_H', 'winsock2.h'],
124 ['HAVE_XMMINTRIN_H', 'xmmintrin.h'],
125 ['HAVE_LINUX_DMA_BUF_H', 'linux/dma-buf.h'],
127 foreach h : check_headers
128 if cc.has_header(h.get(1))
129 core_conf.set(h.get(0), 1)
134 ['HAVE_DCGETTEXT', 'dcgettext', '#include<libintl.h>'],
135 ['HAVE_GMTIME_R', 'gmtime_r', '#include<time.h>'],
136 ['HAVE_LRINTF', 'lrintf', '#include<math.h>'],
137 ['HAVE_MMAP', 'mmap', '#include<sys/mman.h>'],
138 ['HAVE_LOG2', 'log2', '#include<math.h>'],
141 libm = cc.find_library('m', required : false)
142 foreach f : check_functions
143 if cc.has_function(f.get(1), prefix : f.get(2), dependencies : libm)
144 core_conf.set(f.get(0), 1)
148 core_conf.set('SIZEOF_CHAR', cc.sizeof('char'))
149 core_conf.set('SIZEOF_INT', cc.sizeof('int'))
150 core_conf.set('SIZEOF_LONG', cc.sizeof('long'))
151 core_conf.set('SIZEOF_SHORT', cc.sizeof('short'))
152 core_conf.set('SIZEOF_VOIDP', cc.sizeof('void*'))
154 core_conf.set_quoted('GETTEXT_PACKAGE', 'gst-plugins-base-1.0')
155 core_conf.set_quoted('LOCALEDIR', join_paths(get_option('prefix'), get_option('localedir')))
156 core_conf.set_quoted('PACKAGE', 'gst-plugins-base')
157 core_conf.set_quoted('VERSION', gst_version)
158 core_conf.set_quoted('PACKAGE_VERSION', gst_version)
159 core_conf.set_quoted('GST_API_VERSION', api_version)
160 core_conf.set_quoted('GST_DATADIR', join_paths(get_option('prefix'), get_option('datadir')))
161 core_conf.set_quoted('GST_LICENSE', 'LGPL')
163 install_plugins_helper = get_option('install_plugins_helper')
164 if install_plugins_helper == ''
165 install_plugins_helper = join_paths(get_option('prefix'),
166 get_option('libexecdir'),
167 'gst-install-plugins-helper')
169 core_conf.set_quoted('GST_INSTALL_PLUGINS_HELPER', install_plugins_helper)
172 '-Wmissing-declarations',
177 '-Wformat-nonliteral',
180 '-Wmissing-include-dirs',
188 '-Wmissing-prototypes',
189 '-Wdeclaration-after-statement',
192 warning_cxx_flags = [
193 '-Waggregate-return',
197 cxx = meson.get_compiler('cpp')
198 foreach extra_arg : warning_cxx_flags
199 if cxx.has_argument (extra_arg)
200 add_project_arguments([extra_arg], language: 'cpp')
205 foreach extra_arg : warning_flags
206 if cc.has_argument (extra_arg)
207 add_project_arguments([extra_arg], language: 'c')
209 if have_cxx and cxx.has_argument (extra_arg)
210 add_project_arguments([extra_arg], language: 'cpp')
214 foreach extra_arg : warning_c_flags
215 if cc.has_argument (extra_arg)
216 add_project_arguments([extra_arg], language: 'c')
220 # GStreamer package name and origin url
221 gst_package_name = get_option('package-name')
222 if gst_package_name == ''
223 if gst_version_nano == 0
224 gst_package_name = 'GStreamer Base Plug-ins source release'
225 elif gst_version_nano == 1
226 gst_package_name = 'GStreamer Base Plug-ins git'
228 gst_package_name = 'GStreamer Base Plug-ins prerelease'
231 core_conf.set_quoted('GST_PACKAGE_NAME', gst_package_name)
232 core_conf.set_quoted('GST_PACKAGE_ORIGIN', get_option('package-origin'))
234 # FIXME: These should be configure options
235 core_conf.set_quoted('DEFAULT_VIDEOSINK', 'autovideosink')
236 core_conf.set_quoted('DEFAULT_AUDIOSINK', 'autoaudiosink')
238 # Set whether the audioresampling method should be detected at runtime
239 core_conf.set('AUDIORESAMPLE_FORMAT_' + get_option('audioresample_format').to_upper(), true)
241 gst_plugins_base_args = ['-DHAVE_CONFIG_H']
242 if get_option('default_library') == 'static'
243 gst_plugins_base_args += ['-DGST_STATIC_COMPILATION']
246 # X11 checks are for sys/ and tests/
247 x11_dep = dependency('x11', required : get_option('x11'))
248 # GLib checks are for the entire project
249 # Almost everything that uses glib also uses gobject
250 glib_deps = [dependency('glib-2.0', version : glib_req, fallback: ['glib', 'libglib_dep']),
251 dependency('gobject-2.0', fallback: ['glib', 'libgobject_dep'])]
252 # GIO is used by the GIO plugin, and by the TCP, SDP, and RTSP plugins
253 gio_dep = dependency('gio-2.0', fallback: ['glib', 'libgio_dep'])
254 giounix_dep = dependency('', required: false)
255 if host_system != 'windows'
256 giounix_dep = dependency('gio-unix-2.0', version : glib_req,
257 fallback: ['glib', 'libgiounix_dep'])
259 gmodule_dep = dependency('gmodule-no-export-2.0',
260 fallback: ['glib', 'libgmodule_dep'])
262 # some of the examples can use gdk-pixbuf and GTK+3
263 gdk_pixbuf_dep = dependency('gdk-pixbuf-2.0', required : get_option('examples'))
264 gtk_dep = dependency('gtk+-3.0', version : '>= 3.10', required : get_option('examples'))
265 # TODO: https://github.com/mesonbuild/meson/issues/3941
266 if not get_option('x11').disabled()
267 gtk_x11_dep = dependency('gtk+-x11-3.0', version : '>= 3.10', required : get_option('examples'))
269 gtk_x11_dep = dependency('', required : false)
271 # gtk+ quartz backend is only available on macOS
272 if host_system == 'darwin'
273 gtk_quartz_dep = dependency('gtk+-quartz-3.0', version : '>= 3.10', required : get_option('examples'))
275 gtk_quartz_dep = dependency('', required : false)
278 core_conf.set('HAVE_X', x11_dep.found())
279 core_conf.set('HAVE_GIO_UNIX_2_0', giounix_dep.found())
281 if gio_dep.type_name() == 'pkgconfig'
282 core_conf.set_quoted('GIO_MODULE_DIR',
283 gio_dep.get_pkgconfig_variable('giomoduledir'))
284 core_conf.set_quoted('GIO_LIBDIR',
285 gio_dep.get_pkgconfig_variable('libdir'))
286 core_conf.set_quoted('GIO_PREFIX',
287 gio_dep.get_pkgconfig_variable('prefix'))
289 core_conf.set_quoted('GIO_MODULE_DIR', join_paths(get_option('prefix'),
290 get_option('libdir'), 'gio/modules'))
291 core_conf.set_quoted('GIO_LIBDIR', join_paths(get_option('prefix'),
292 get_option('libdir')))
293 core_conf.set_quoted('GIO_PREFIX', get_option('prefix'))
296 configinc = include_directories('.')
297 libsinc = include_directories('gst-libs')
299 # To use the subproject make subprojects directory
300 # and put gstreamer meson git there (symlinking is fine)
301 gst_dep = dependency('gstreamer-1.0', version : gst_req,
302 fallback : ['gstreamer', 'gst_dep'])
303 gst_base_dep = dependency('gstreamer-base-1.0', version : gst_req,
304 fallback : ['gstreamer', 'gst_base_dep'])
305 gst_net_dep = dependency('gstreamer-net-1.0', version : gst_req,
306 fallback : ['gstreamer', 'gst_net_dep'])
307 gst_check_dep = dependency('gstreamer-check-1.0', version : gst_req,
308 required : get_option('tests'),
309 fallback : ['gstreamer', 'gst_check_dep'])
310 gst_controller_dep = dependency('gstreamer-controller-1.0', version : gst_req,
311 fallback : ['gstreamer', 'gst_controller_dep'])
315 # Used by various libraries/elements that use Orc code
316 orc_dep = dependency('orc-0.4', version : orc_req, required : get_option('orc'),
317 fallback : ['orc', 'orc_dep'])
318 orcc = find_program('orcc', required : get_option('orc'))
319 if orc_dep.found() and orcc.found()
321 orcc_args = [orcc, '--include', 'glib.h']
322 core_conf.set('HAVE_ORC', 1)
324 message('Orc Compiler not found or disabled, will use backup C code')
325 core_conf.set('DISABLE_ORC', 1)
328 # Used to build SSE* things in audio-resampler
331 sse41_args = '-msse4.1'
333 have_sse = cc.has_argument(sse_args)
334 have_sse2 = cc.has_argument(sse2_args)
335 have_sse41 = cc.has_argument(sse41_args)
337 if host_machine.cpu_family() == 'arm'
339 #include <arm_neon.h>
340 int32x4_t testfunc(int16_t *a, int16_t *b) {
341 asm volatile ("vmull.s16 q0, d0, d0" : : : "q0");
342 return vmull_s16(vld1_s16(a), vld1_s16(b));
344 ''', name : 'NEON support')
345 core_conf.set('HAVE_ARM_NEON', true)
349 if gst_dep.type_name() == 'internal'
350 gst_proj = subproject('gstreamer')
352 if not gst_proj.get_variable('gst_debug')
353 message('GStreamer debug system is disabled')
354 add_project_arguments('-Wno-unused', language: 'c')
356 message('GStreamer debug system is enabled')
359 # We can't check that in the case of subprojects as we won't
360 # be able to build against an internal dependency (which is not built yet)
361 if not cc.compiles('''
362 #include <gst/gstconfig.h>
363 #ifdef GST_DISABLE_GST_DEBUG
364 #error "debugging disabled, make compiler fail"
365 #endif''' , dependencies: gst_dep)
366 message('GStreamer debug system is disabled')
367 add_project_arguments('-Wno-unused', language: 'c')
369 message('GStreamer debug system is enabled')
373 gir = find_program('g-ir-scanner', required : get_option('introspection'))
374 gnome = import('gnome')
375 build_gir = gir.found() and (not meson.is_cross_build() or get_option('introspection').enabled())
376 gir_init_section = [ '--add-init-section=extern void gst_init(gint*,gchar**);' + \
377 'g_setenv("GST_REGISTRY_DISABLE", "yes", TRUE);' + \
378 'g_setenv("GST_REGISTRY_1.0", "@0@", TRUE);'.format(meson.current_build_dir() + '/gir_empty_registry.reg') + \
379 'g_setenv("GST_PLUGIN_PATH_1_0", "", TRUE);' + \
380 'g_setenv("GST_PLUGIN_SYSTEM_PATH_1_0", "", TRUE);' + \
381 'gst_init(NULL,NULL);', '--quiet']
383 pkgconfig = import('pkgconfig')
384 plugins_pkgconfig_install_dir = join_paths(plugins_install_dir, 'pkgconfig')
385 if get_option('default_library') == 'shared'
386 # If we don't build static plugins there is no need to generate pc files
387 plugins_pkgconfig_install_dir = disabler()
390 python3 = import('python').find_installation()
395 if not get_option('tools').disabled()
400 # xgettext is optional (on Windows for instance)
401 if find_program('xgettext', required : get_option('nls')).found()
402 core_conf.set('ENABLE_NLS', 1)
407 # Use core_conf after all subdirs have set values
408 configure_file(output : 'config.h', configuration : core_conf)
410 run_command(python3, '-c', 'import shutil; shutil.copy("hooks/pre-commit.hook", ".git/hooks/pre-commit")')