1project('gst-plugins-base', 'c',
2  version : '1.16.2',
3  meson_version : '>= 0.47',
4  default_options : [ 'warning_level=1',
5                      'buildtype=debugoptimized' ])
6
7gst_version = meson.project_version()
8version_arr = gst_version.split('.')
9gst_version_major = version_arr[0].to_int()
10gst_version_minor = version_arr[1].to_int()
11gst_version_micro = version_arr[2].to_int()
12if version_arr.length() == 4
13  gst_version_nano = version_arr[3].to_int()
14else
15  gst_version_nano = 0
16endif
17gst_version_is_dev = gst_version_minor % 2 == 1 and gst_version_micro < 90
18
19have_cxx = add_languages('cpp', required : false)
20have_objc = add_languages('objc', required : false)
21
22glib_req = '>= 2.40.0'
23orc_req = '>= 0.4.24'
24gst_req = '>= @0@.@1@.0'.format(gst_version_major, gst_version_minor)
25
26api_version = '1.0'
27soversion = 0
28# maintaining compatibility with the previous libtool versioning
29# current = minor * 100 + micro
30curversion = gst_version_minor * 100 + gst_version_micro
31libversion = '@0@.@1@.0'.format(soversion, curversion)
32osxversion = curversion + 1
33
34plugins_install_dir = join_paths(get_option('libdir'), 'gstreamer-1.0')
35
36cc = meson.get_compiler('c')
37host_system = host_machine.system()
38
39if cc.get_id() == 'msvc'
40  # Ignore several spurious warnings for things gstreamer does very commonly
41  # If a warning is completely useless and spammy, use '/wdXXXX' to suppress it
42  # If a warning is harmless but hard to fix, use '/woXXXX' so it's shown once
43  # NOTE: Only add warnings here if you are sure they're spurious
44  add_project_arguments(
45      '/wd4018', # implicit signed/unsigned conversion
46      '/wd4146', # unary minus on unsigned (beware INT_MIN)
47      '/wd4244', # lossy type conversion (e.g. double -> int)
48      '/wd4305', # truncating type conversion (e.g. double -> float)
49      cc.get_supported_arguments(['/utf-8']), # set the input encoding to utf-8
50      language : 'c')
51  # Disable SAFESEH with MSVC for plugins and libs that use external deps that
52  # are built with MinGW
53  noseh_link_args = ['/SAFESEH:NO']
54else
55  noseh_link_args = []
56endif
57
58if cc.has_link_argument('-Wl,-Bsymbolic-functions')
59  add_project_link_arguments('-Wl,-Bsymbolic-functions', language : 'c')
60endif
61
62core_conf = configuration_data()
63
64# Symbol visibility
65if cc.get_id() == 'msvc'
66  export_define = '__declspec(dllexport) extern'
67elif cc.has_argument('-fvisibility=hidden')
68  add_project_arguments('-fvisibility=hidden', language: 'c')
69  export_define = 'extern __attribute__ ((visibility ("default")))'
70else
71  export_define = 'extern'
72endif
73
74# Passing this through the command line would be too messy
75core_conf.set('GST_API_EXPORT', export_define)
76
77# Disable strict aliasing
78if cc.has_argument('-fno-strict-aliasing')
79  add_project_arguments('-fno-strict-aliasing', language: 'c')
80endif
81
82# Define G_DISABLE_DEPRECATED for development versions
83if gst_version_is_dev
84  message('Disabling deprecated GLib API')
85  add_project_arguments('-DG_DISABLE_DEPRECATED', language: 'c')
86endif
87
88cast_checks = get_option('gobject-cast-checks')
89if cast_checks.disabled() or (cast_checks.auto() and not gst_version_is_dev)
90  message('Disabling GLib cast checks')
91  add_project_arguments('-DG_DISABLE_CAST_CHECKS', language: 'c')
92endif
93
94glib_asserts = get_option('glib-asserts')
95if glib_asserts.disabled() or (glib_asserts.auto() and not gst_version_is_dev)
96  message('Disabling GLib asserts')
97  add_project_arguments('-DG_DISABLE_ASSERT', language: 'c')
98endif
99
100glib_checks = get_option('glib-checks')
101if glib_checks.disabled() or (glib_checks.auto() and not gst_version_is_dev)
102  message('Disabling GLib checks')
103  add_project_arguments('-DG_DISABLE_CHECKS', language: 'c')
104endif
105
106check_headers = [
107  ['HAVE_DLFCN_H', 'dlfcn.h'],
108  ['HAVE_EMMINTRIN_H', 'emmintrin.h'],
109  ['HAVE_INTTYPES_H', 'inttypes.h'],
110  ['HAVE_MEMORY_H', 'memory.h'],
111  ['HAVE_PROCESS_H', 'process.h'],
112  ['HAVE_SMMINTRIN_H', 'smmintrin.h'],
113  ['HAVE_STDINT_H', 'stdint.h'],
114  ['HAVE_STDLIB_H', 'stdlib.h'],
115  ['HAVE_STRINGS_H', 'strings.h'],
116  ['HAVE_STRING_H', 'string.h'],
117  ['HAVE_SYS_SOCKET_H', 'sys/socket.h'],
118  ['HAVE_SYS_STAT_H', 'sys/stat.h'],
119  ['HAVE_SYS_TYPES_H', 'sys/types.h'],
120  ['HAVE_SYS_WAIT_H', 'sys/wait.h'],
121  ['HAVE_UNISTD_H', 'unistd.h'],
122  ['HAVE_WINSOCK2_H', 'winsock2.h'],
123  ['HAVE_XMMINTRIN_H', 'xmmintrin.h'],
124  ['HAVE_LINUX_DMA_BUF_H', 'linux/dma-buf.h'],
125]
126foreach h : check_headers
127  if cc.has_header(h.get(1))
128    core_conf.set(h.get(0), 1)
129  endif
130endforeach
131
132check_functions = [
133  ['HAVE_DCGETTEXT', 'dcgettext', '#include<libintl.h>'],
134  ['HAVE_GMTIME_R', 'gmtime_r', '#include<time.h>'],
135  ['HAVE_LRINTF', 'lrintf', '#include<math.h>'],
136  ['HAVE_MMAP', 'mmap', '#include<sys/mman.h>'],
137  ['HAVE_LOG2', 'log2', '#include<math.h>'],
138]
139
140libm = cc.find_library('m', required : false)
141foreach f : check_functions
142  if cc.has_function(f.get(1), prefix : f.get(2), dependencies : libm)
143    core_conf.set(f.get(0), 1)
144  endif
145endforeach
146
147core_conf.set('SIZEOF_CHAR', cc.sizeof('char'))
148core_conf.set('SIZEOF_INT', cc.sizeof('int'))
149core_conf.set('SIZEOF_LONG', cc.sizeof('long'))
150core_conf.set('SIZEOF_SHORT', cc.sizeof('short'))
151core_conf.set('SIZEOF_VOIDP', cc.sizeof('void*'))
152
153core_conf.set_quoted('GETTEXT_PACKAGE', 'gst-plugins-base-1.0')
154core_conf.set_quoted('LOCALEDIR', join_paths(get_option('prefix'), get_option('localedir')))
155core_conf.set_quoted('PACKAGE', 'gst-plugins-base')
156core_conf.set_quoted('VERSION', gst_version)
157core_conf.set_quoted('PACKAGE_VERSION', gst_version)
158core_conf.set_quoted('GST_API_VERSION', api_version)
159core_conf.set_quoted('GST_DATADIR', join_paths(get_option('prefix'), get_option('datadir')))
160core_conf.set_quoted('GST_LICENSE', 'LGPL')
161
162install_plugins_helper = get_option('install_plugins_helper')
163if install_plugins_helper == ''
164  install_plugins_helper = join_paths(get_option('prefix'),
165                                      get_option('libexecdir'),
166                                      'gst-install-plugins-helper')
167endif
168core_conf.set_quoted('GST_INSTALL_PLUGINS_HELPER', install_plugins_helper)
169
170warning_flags = [
171  '-Wmissing-declarations',
172  '-Wredundant-decls',
173  '-Wundef',
174  '-Wwrite-strings',
175  '-Wformat',
176  '-Wformat-nonliteral',
177  '-Wformat-security',
178  '-Winit-self',
179  '-Wmissing-include-dirs',
180  '-Waddress',
181  '-Wno-multichar',
182  '-Wvla',
183  '-Wpointer-arith',
184]
185
186warning_c_flags = [
187  '-Wmissing-prototypes',
188  '-Wdeclaration-after-statement',
189]
190
191warning_cxx_flags = [
192  '-Waggregate-return',
193]
194
195if have_cxx
196  cxx = meson.get_compiler('cpp')
197  foreach extra_arg : warning_cxx_flags
198    if cxx.has_argument (extra_arg)
199      add_project_arguments([extra_arg], language: 'cpp')
200    endif
201  endforeach
202endif
203
204foreach extra_arg : warning_flags
205  if cc.has_argument (extra_arg)
206    add_project_arguments([extra_arg], language: 'c')
207  endif
208  if have_cxx and cxx.has_argument (extra_arg)
209    add_project_arguments([extra_arg], language: 'cpp')
210  endif
211endforeach
212
213foreach extra_arg : warning_c_flags
214  if cc.has_argument (extra_arg)
215    add_project_arguments([extra_arg], language: 'c')
216  endif
217endforeach
218
219# GStreamer package name and origin url
220gst_package_name = get_option('package-name')
221if gst_package_name == ''
222  if gst_version_nano == 0
223    gst_package_name = 'GStreamer Base Plug-ins source release'
224  elif gst_version_nano == 1
225    gst_package_name = 'GStreamer Base Plug-ins git'
226  else
227    gst_package_name = 'GStreamer Base Plug-ins prerelease'
228  endif
229endif
230core_conf.set_quoted('GST_PACKAGE_NAME', gst_package_name)
231core_conf.set_quoted('GST_PACKAGE_ORIGIN', get_option('package-origin'))
232
233# FIXME: These should be configure options
234core_conf.set_quoted('DEFAULT_VIDEOSINK', 'autovideosink')
235core_conf.set_quoted('DEFAULT_AUDIOSINK', 'autoaudiosink')
236
237# Set whether the audioresampling method should be detected at runtime
238core_conf.set('AUDIORESAMPLE_FORMAT_' + get_option('audioresample_format').to_upper(), true)
239
240gst_plugins_base_args = ['-DHAVE_CONFIG_H']
241if get_option('default_library') == 'static'
242  gst_plugins_base_args += ['-DGST_STATIC_COMPILATION']
243endif
244
245# X11 checks are for sys/ and tests/
246x11_dep = dependency('x11', required : get_option('x11'))
247# GLib checks are for the entire project
248# Almost everything that uses glib also uses gobject
249glib_deps = [dependency('glib-2.0', version : glib_req, fallback: ['glib', 'libglib_dep']),
250             dependency('gobject-2.0', fallback: ['glib', 'libgobject_dep'])]
251# GIO is used by the GIO plugin, and by the TCP, SDP, and RTSP plugins
252gio_dep = dependency('gio-2.0', fallback: ['glib', 'libgio_dep'])
253giounix_dep = dependency('', required: false)
254if host_system != 'windows'
255  giounix_dep = dependency('gio-unix-2.0', version : glib_req,
256                           fallback: ['glib', 'libgiounix_dep'])
257endif
258gmodule_dep = dependency('gmodule-no-export-2.0',
259                         fallback: ['glib', 'libgmodule_dep'])
260
261# some of the examples can use gdk-pixbuf and GTK+3
262gdk_pixbuf_dep = dependency('gdk-pixbuf-2.0', required : get_option('examples'))
263gtk_dep = dependency('gtk+-3.0', version : '>= 3.10', required : get_option('examples'))
264# TODO: https://github.com/mesonbuild/meson/issues/3941
265if not get_option('x11').disabled()
266  gtk_x11_dep = dependency('gtk+-x11-3.0', version : '>= 3.10', required : get_option('examples'))
267else
268  gtk_x11_dep = dependency('', required : false)
269endif
270# gtk+ quartz backend is only available on macOS
271if host_system == 'darwin'
272  gtk_quartz_dep = dependency('gtk+-quartz-3.0', version : '>= 3.10', required : get_option('examples'))
273else
274  gtk_quartz_dep = dependency('', required : false)
275endif
276
277core_conf.set('HAVE_X', x11_dep.found())
278core_conf.set('HAVE_GIO_UNIX_2_0', giounix_dep.found())
279
280if gio_dep.type_name() == 'pkgconfig'
281    core_conf.set_quoted('GIO_MODULE_DIR',
282        gio_dep.get_pkgconfig_variable('giomoduledir'))
283    core_conf.set_quoted('GIO_LIBDIR',
284        gio_dep.get_pkgconfig_variable('libdir'))
285    core_conf.set_quoted('GIO_PREFIX',
286        gio_dep.get_pkgconfig_variable('prefix'))
287else
288    core_conf.set_quoted('GIO_MODULE_DIR', join_paths(get_option('prefix'),
289      get_option('libdir'), 'gio/modules'))
290    core_conf.set_quoted('GIO_LIBDIR', join_paths(get_option('prefix'),
291      get_option('libdir')))
292    core_conf.set_quoted('GIO_PREFIX', get_option('prefix'))
293endif
294
295configinc = include_directories('.')
296libsinc = include_directories('gst-libs')
297
298# To use the subproject make subprojects directory
299# and put gstreamer meson git there (symlinking is fine)
300gst_dep = dependency('gstreamer-1.0', version : gst_req,
301  fallback : ['gstreamer', 'gst_dep'])
302gst_base_dep = dependency('gstreamer-base-1.0', version : gst_req,
303  fallback : ['gstreamer', 'gst_base_dep'])
304gst_net_dep = dependency('gstreamer-net-1.0', version : gst_req,
305  fallback : ['gstreamer', 'gst_net_dep'])
306gst_check_dep = dependency('gstreamer-check-1.0', version : gst_req,
307  required : get_option('tests'),
308  fallback : ['gstreamer', 'gst_check_dep'])
309gst_controller_dep = dependency('gstreamer-controller-1.0', version : gst_req,
310  fallback : ['gstreamer', 'gst_controller_dep'])
311
312have_orcc = false
313orcc_args = []
314# Used by various libraries/elements that use Orc code
315orc_dep = dependency('orc-0.4', version : orc_req, required : get_option('orc'),
316    fallback : ['orc', 'orc_dep'])
317orcc = find_program('orcc', required : get_option('orc'))
318if orc_dep.found() and orcc.found()
319  have_orcc = true
320  orcc_args = [orcc, '--include', 'glib.h']
321  core_conf.set('HAVE_ORC', 1)
322else
323  message('Orc Compiler not found or disabled, will use backup C code')
324  core_conf.set('DISABLE_ORC', 1)
325endif
326
327# Used to build SSE* things in audio-resampler
328sse_args = '-msse'
329sse2_args = '-msse2'
330sse41_args = '-msse4.1'
331
332have_sse = cc.has_argument(sse_args)
333have_sse2 = cc.has_argument(sse2_args)
334have_sse41 = cc.has_argument(sse41_args)
335
336if host_machine.cpu_family() == 'arm'
337  if cc.compiles('''
338#include <arm_neon.h>
339int32x4_t testfunc(int16_t *a, int16_t *b) {
340  asm volatile ("vmull.s16 q0, d0, d0" : : : "q0");
341  return vmull_s16(vld1_s16(a), vld1_s16(b));
342}
343''', name : 'NEON support')
344    core_conf.set('HAVE_ARM_NEON', true)
345  endif
346endif
347
348if gst_dep.type_name() == 'internal'
349    gst_proj = subproject('gstreamer')
350
351    if not gst_proj.get_variable('gst_debug')
352        message('GStreamer debug system is disabled')
353        add_project_arguments('-Wno-unused', language: 'c')
354    else
355        message('GStreamer debug system is enabled')
356    endif
357else
358    # We can't check that in the case of subprojects as we won't
359    # be able to build against an internal dependency (which is not built yet)
360    if not cc.compiles('''
361#include <gst/gstconfig.h>
362#ifdef GST_DISABLE_GST_DEBUG
363#error "debugging disabled, make compiler fail"
364#endif''' , dependencies: gst_dep)
365        message('GStreamer debug system is disabled')
366        add_project_arguments('-Wno-unused', language: 'c')
367    else
368        message('GStreamer debug system is enabled')
369    endif
370endif
371
372gir = find_program('g-ir-scanner', required : get_option('introspection'))
373gnome = import('gnome')
374build_gir = gir.found() and not meson.is_cross_build()
375gir_init_section = [ '--add-init-section=extern void gst_init(gint*,gchar**);' + \
376    'g_setenv("GST_REGISTRY_DISABLE", "yes", TRUE);' + \
377    'g_setenv("GST_REGISTRY_1.0", "@0@", TRUE);'.format(meson.current_build_dir() + '/gir_empty_registry.reg') + \
378    'g_setenv("GST_PLUGIN_PATH_1_0", "", TRUE);' + \
379    'g_setenv("GST_PLUGIN_SYSTEM_PATH_1_0", "", TRUE);' + \
380    'gst_init(NULL,NULL);', '--quiet']
381
382pkgconfig = import('pkgconfig')
383plugins_pkgconfig_install_dir = join_paths(plugins_install_dir, 'pkgconfig')
384if get_option('default_library') == 'shared'
385  # If we don't build static plugins there is no need to generate pc files
386  plugins_pkgconfig_install_dir = disabler()
387endif
388
389subdir('gst-libs')
390subdir('gst')
391subdir('ext')
392subdir('sys')
393if not get_option('tools').disabled()
394  subdir('tools')
395endif
396subdir('tests')
397subdir('pkgconfig')
398
399# xgettext is optional (on Windows for instance)
400if find_program('xgettext', required : get_option('nls')).found()
401  core_conf.set('ENABLE_NLS', 1)
402  subdir('po')
403endif
404
405if build_machine.system() == 'windows'
406  message('Disabling gtk-doc while building on Windows')
407else
408  if find_program('gtkdoc-scan', required : get_option('gtk_doc')).found()
409    subdir('docs')
410  else
411    message('Not building documentation as gtk-doc was not found')
412  endif
413endif
414
415# Use core_conf after all subdirs have set values
416configure_file(output : 'config.h', configuration : core_conf)
417
418python3 = import('python').find_installation()
419run_command(python3, '-c', 'import shutil; shutil.copy("hooks/pre-commit.hook", ".git/hooks/pre-commit")')
420