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1project('gst-plugins-good', 'c',
2  version : '1.20.3',
3  meson_version : '>= 0.59',
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()
12 if version_arr.length() == 4
13  gst_version_nano = version_arr[3].to_int()
14else
15  gst_version_nano = 0
16endif
17gst_version_is_stable = gst_version_minor.is_even()
18gst_version_is_dev = gst_version_minor.is_odd() and gst_version_micro < 90
19
20have_cxx = add_languages('cpp', native: false, required: false)
21
22glib_req = '>= 2.56.0'
23orc_req = '>= 0.4.17'
24
25if gst_version_is_stable
26  gst_req = '>= @0@.@1@.0'.format(gst_version_major, gst_version_minor)
27else
28  gst_req = '>= ' + gst_version
29endif
30
31api_version = '1.0'
32
33plugins_install_dir = join_paths(get_option('libdir'), 'gstreamer-1.0')
34plugins = []
35
36cc = meson.get_compiler('c')
37host_system = host_machine.system()
38
39if cc.get_id() == 'msvc'
40  msvc_args = [
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      '/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
51      # Enable some warnings on MSVC to match GCC/Clang behaviour
52      '/w14062', # enumerator 'identifier' in switch of enum 'enumeration' is not handled
53      '/w14101', # 'identifier' : unreferenced local variable
54      '/w14189', # 'identifier' : local variable is initialized but not referenced
55  ]
56  if have_cxx
57    add_project_arguments(msvc_args, language: ['c', 'cpp'])
58  else
59    add_project_arguments(msvc_args, language: 'c')
60  endif
61  # Disable SAFESEH with MSVC for plugins and libs that use external deps that
62  # are built with MinGW
63  noseh_link_args = ['/SAFESEH:NO']
64else
65  noseh_link_args = []
66endif
67
68if cc.has_link_argument('-Wl,-Bsymbolic-functions')
69  add_project_link_arguments('-Wl,-Bsymbolic-functions', language : 'c')
70endif
71
72# Symbol visibility
73if cc.has_argument('-fvisibility=hidden')
74  add_project_arguments('-fvisibility=hidden', language: 'c')
75endif
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
106cdata = configuration_data()
107
108check_headers = [
109  ['HAVE_DLFCN_H', 'dlfcn.h'],
110  ['HAVE_FCNTL_H', 'fcntl.h'],
111  ['HAVE_INTTYPES_H', 'inttypes.h'],
112  ['HAVE_MEMORY_H', 'memory.h'],
113  ['HAVE_PROCESS_H', 'process.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_IOCTL_H', 'sys/ioctl.h'],
119  ['HAVE_SYS_PARAM_H', 'sys/param.h'],
120  ['HAVE_SYS_SOCKET_H', 'sys/socket.h'],
121  ['HAVE_SYS_STAT_H', 'sys/stat.h'],
122  ['HAVE_SYS_TIME_H', 'sys/time.h'],
123  ['HAVE_SYS_TYPES_H', 'sys/types.h'],
124  ['HAVE_UNISTD_H', 'unistd.h'],
125]
126
127foreach h : check_headers
128  if cc.has_header(h.get(1))
129    cdata.set(h.get(0), 1)
130  endif
131endforeach
132
133check_functions = [
134  ['HAVE_ASINH', 'asinh', '#include<math.h>'],
135  ['HAVE_CLOCK_GETTIME', 'clock_gettime', '#include<time.h>'],
136  ['HAVE_COSH', 'cosh', '#include<math.h>'],
137# check token HAVE_CPU_ALPHA
138# check token HAVE_CPU_ARM
139# check token HAVE_CPU_CRIS
140# check token HAVE_CPU_CRISV32
141# check token HAVE_CPU_HPPA
142# check token HAVE_CPU_I386
143# check token HAVE_CPU_IA64
144# check token HAVE_CPU_M68K
145# check token HAVE_CPU_MIPS
146# check token HAVE_CPU_PPC
147# check token HAVE_CPU_PPC64
148# check token HAVE_CPU_S390
149# check token HAVE_CPU_SPARC
150# check token HAVE_CPU_X86_64
151  ['HAVE_DCGETTEXT', 'dcgettext', '#include<libintl.h>'],
152# check token HAVE_DIRECTSOUND
153# check token HAVE_EXPERIMENTAL
154# check token HAVE_EXTERNAL
155# check token HAVE_FPCLASS
156# check token HAVE_GCC_ASM
157  ['HAVE_GETPAGESIZE', 'getpagesize', '#include<unistd.h>'],
158# check token HAVE_GETTEXT
159# check token HAVE_GST_V4L2
160  ['HAVE_ISINF', 'isinf', '#include<math.h>'],
161# check token HAVE_LIBV4L2
162  ['HAVE_MMAP', 'mmap', '#include<sys/mman.h>'],
163  ['HAVE_MMAP64', 'mmap64', '#include<sys/mman.h>'],
164# check token HAVE_OSX_AUDIO
165# check token HAVE_OSX_VIDEO
166# check token HAVE_RDTSC
167  ['HAVE_SINH', 'sinh', '#include<math.h>'],
168# check token HAVE_WAVEFORM
169  ['HAVE_GMTIME_R', 'gmtime_r', '#include<time.h>'],
170]
171
172libm = cc.find_library('m', required : false)
173
174foreach f : check_functions
175  if cc.has_function(f.get(1), prefix : f.get(2), dependencies : libm)
176    cdata.set(f.get(0), 1)
177  endif
178endforeach
179
180cdata.set('HAVE_IOS', host_system == 'ios')
181
182cdata.set('SIZEOF_CHAR', cc.sizeof('char'))
183cdata.set('SIZEOF_INT', cc.sizeof('int'))
184cdata.set('SIZEOF_LONG', cc.sizeof('long'))
185cdata.set('SIZEOF_SHORT', cc.sizeof('short'))
186cdata.set('SIZEOF_VOIDP', cc.sizeof('void*'))
187cdata.set('SIZEOF_OFF_T', cc.sizeof('off_t'))
188
189have_rtld_noload = cc.has_header_symbol('dlfcn.h', 'RTLD_NOLOAD')
190cdata.set('HAVE_RTLD_NOLOAD', have_rtld_noload)
191
192# Here be fixmes.
193# FIXME: check if this is correct
194cdata.set('HAVE_CPU_X86_64', host_machine.cpu() == 'amd64')
195cdata.set('HAVE_GCC_ASM', cc.get_id() != 'msvc')
196cdata.set_quoted('VERSION', gst_version)
197cdata.set_quoted('PACKAGE_VERSION', gst_version)
198cdata.set_quoted('GST_LICENSE', 'LGPL')
199cdata.set_quoted('PACKAGE', 'gst-plugins-good')
200cdata.set_quoted('GETTEXT_PACKAGE', 'gst-plugins-good-1.0')
201cdata.set_quoted('LOCALEDIR', join_paths(get_option('prefix'), get_option('localedir')))
202
203warning_flags = [
204  '-Wmissing-declarations',
205  '-Wredundant-decls',
206  '-Wwrite-strings',
207  '-Winit-self',
208  '-Wmissing-include-dirs',
209  '-Wno-multichar',
210  '-Wvla',
211  '-Wpointer-arith',
212]
213
214warning_c_flags = [
215  '-Wmissing-prototypes',
216  '-Wdeclaration-after-statement',
217  '-Wold-style-definition',
218  '-Waggregate-return',
219]
220
221if have_cxx
222  cxx = meson.get_compiler('cpp')
223endif
224
225foreach extra_arg : warning_flags
226  if cc.has_argument (extra_arg)
227    add_project_arguments([extra_arg], language: 'c')
228  endif
229  if have_cxx and cxx.has_argument (extra_arg)
230    add_project_arguments([extra_arg], language: 'cpp')
231  endif
232endforeach
233
234foreach extra_arg : warning_c_flags
235  if cc.has_argument (extra_arg)
236    add_project_arguments([extra_arg], language: 'c')
237  endif
238endforeach
239
240# GStreamer package name and origin url
241gst_package_name = get_option('package-name')
242if gst_package_name == ''
243  if gst_version_nano == 0
244    gst_package_name = 'GStreamer Good Plug-ins source release'
245  elif gst_version_nano == 1
246    gst_package_name = 'GStreamer Good Plug-ins git'
247  else
248    gst_package_name = 'GStreamer Good Plug-ins prerelease'
249  endif
250endif
251cdata.set_quoted('GST_PACKAGE_NAME', gst_package_name)
252cdata.set_quoted('GST_PACKAGE_ORIGIN', get_option('package-origin'))
253
254# Mandatory GST deps
255gst_dep = dependency('gstreamer-1.0', version : gst_req,
256  fallback : ['gstreamer', 'gst_dep'])
257gstbase_dep = dependency('gstreamer-base-1.0', version : gst_req,
258  fallback : ['gstreamer', 'gst_base_dep'])
259gstnet_dep = dependency('gstreamer-net-1.0', version : gst_req,
260  fallback : ['gstreamer', 'gst_net_dep'])
261gstcontroller_dep = dependency('gstreamer-controller-1.0', version : gst_req,
262  fallback : ['gstreamer', 'gst_controller_dep'])
263gstcheck_dep = dependency('gstreamer-check-1.0', version : gst_req,
264  required : get_option('tests'),
265  fallback : ['gstreamer', 'gst_check_dep'])
266gstpbutils_dep = dependency('gstreamer-pbutils-1.0', version : gst_req,
267    fallback : ['gst-plugins-base', 'pbutils_dep'])
268gstallocators_dep = dependency('gstreamer-allocators-1.0', version : gst_req,
269    fallback : ['gst-plugins-base', 'allocators_dep'])
270gstapp_dep = dependency('gstreamer-app-1.0', version : gst_req,
271    fallback : ['gst-plugins-base', 'app_dep'])
272gstaudio_dep = dependency('gstreamer-audio-1.0', version : gst_req,
273    fallback : ['gst-plugins-base', 'audio_dep'])
274gstfft_dep = dependency('gstreamer-fft-1.0', version : gst_req,
275    fallback : ['gst-plugins-base', 'fft_dep'])
276gstriff_dep = dependency('gstreamer-riff-1.0', version : gst_req,
277    fallback : ['gst-plugins-base', 'riff_dep'])
278gstrtp_dep = dependency('gstreamer-rtp-1.0', version : gst_req,
279    fallback : ['gst-plugins-base', 'rtp_dep'])
280gstrtsp_dep = dependency('gstreamer-rtsp-1.0', version : gst_req,
281    fallback : ['gst-plugins-base', 'rtsp_dep'])
282gstsdp_dep = dependency('gstreamer-sdp-1.0', version : gst_req,
283    fallback : ['gst-plugins-base', 'sdp_dep'])
284gsttag_dep = dependency('gstreamer-tag-1.0', version : gst_req,
285    fallback : ['gst-plugins-base', 'tag_dep'])
286gstvideo_dep = dependency('gstreamer-video-1.0', version : gst_req,
287    fallback : ['gst-plugins-base', 'video_dep'])
288
289# GStreamer OpenGL
290# FIXME: automagic
291gstgl_dep = dependency('gstreamer-gl-1.0', version : gst_req,
292    fallback : ['gst-plugins-base', 'gstgl_dep'], required: false)
293gstglproto_dep = dependency('', required : false)
294gstglx11_dep = dependency('', required : false)
295gstglwayland_dep = dependency('', required : false)
296gstglegl_dep = dependency('', required : false)
297
298have_gstgl = gstgl_dep.found()
299
300if have_gstgl
301  if gstgl_dep.type_name() == 'pkgconfig'
302    gst_gl_apis = gstgl_dep.get_variable('gl_apis').split()
303    gst_gl_winsys = gstgl_dep.get_variable('gl_winsys').split()
304    gst_gl_platforms = gstgl_dep.get_variable('gl_platforms').split()
305  else
306    gstbase = subproject('gst-plugins-base')
307    gst_gl_apis = gstbase.get_variable('enabled_gl_apis')
308    gst_gl_winsys = gstbase.get_variable('enabled_gl_winsys')
309    gst_gl_platforms = gstbase.get_variable('enabled_gl_platforms')
310  endif
311
312  message('GStreamer OpenGL window systems: @0@'.format(' '.join(gst_gl_winsys)))
313  message('GStreamer OpenGL platforms: @0@'.format(' '.join(gst_gl_platforms)))
314  message('GStreamer OpenGL apis: @0@'.format(' '.join(gst_gl_apis)))
315
316  foreach ws : ['x11', 'wayland', 'android', 'cocoa', 'eagl', 'win32', 'dispmanx', 'viv_fb']
317    set_variable('gst_gl_have_window_@0@'.format(ws), gst_gl_winsys.contains(ws))
318  endforeach
319
320  foreach p : ['glx', 'egl', 'cgl', 'eagl', 'wgl']
321    set_variable('gst_gl_have_platform_@0@'.format(p), gst_gl_platforms.contains(p))
322  endforeach
323
324  foreach api : ['gl', 'gles2']
325    set_variable('gst_gl_have_api_@0@'.format(api), gst_gl_apis.contains(api))
326  endforeach
327
328  gstglproto_dep = dependency('gstreamer-gl-prototypes-1.0', version : gst_req,
329      fallback : ['gst-plugins-base', 'gstglproto_dep'], required: true)
330  # Behind specific checks because meson fails at optional dependencies with a
331  # fallback to the same subproject.  On the first failure, meson will never
332  # check the system again even if the fallback never existed.
333  # Last checked with meson 0.54.3
334  if gst_gl_have_window_x11
335    gstglx11_dep = dependency('gstreamer-gl-x11-1.0', version : gst_req,
336       fallback : ['gst-plugins-base', 'gstglx11_dep'], required: true)
337  endif
338  if gst_gl_have_window_wayland
339    gstglwayland_dep = dependency('gstreamer-gl-wayland-1.0', version : gst_req,
340        fallback : ['gst-plugins-base', 'gstglwayland_dep'], required: true)
341  endif
342  if gst_gl_have_platform_egl
343    gstglegl_dep = dependency('gstreamer-gl-egl-1.0', version : gst_req,
344        fallback : ['gst-plugins-base', 'gstglegl_dep'], required: true)
345  endif
346endif
347
348zlib_dep = dependency('zlib')
349cdata.set('HAVE_ZLIB', true)
350
351glib_deps = [dependency('glib-2.0', version : glib_req, fallback: ['glib', 'libglib_dep']),
352             dependency('gobject-2.0', fallback: ['glib', 'libgobject_dep'])]
353gio_dep = dependency('gio-2.0', fallback: ['glib', 'libgio_dep'])
354
355gst_plugins_good_args = ['-DHAVE_CONFIG_H']
356configinc = include_directories('.')
357libsinc = include_directories('gst-libs')
358
359have_orcc = false
360orcc_args = []
361orc_targets = []
362# Used by various libraries/elements that use Orc code
363orc_dep = dependency('orc-0.4', version : orc_req, required : get_option('orc'),
364    fallback : ['orc', 'orc_dep'])
365orcc = find_program('orcc', required : get_option('orc'))
366if orc_dep.found() and orcc.found()
367  have_orcc = true
368  orcc_args = [orcc, '--include', 'glib.h']
369  cdata.set('HAVE_ORC', 1)
370else
371  message('Orc Compiler not found, will use backup C code')
372  cdata.set('DISABLE_ORC', 1)
373endif
374
375have_nasm = false
376# FIXME: nasm path needs testing on non-Linux, esp. Windows
377host_cpu = host_machine.cpu_family()
378if host_cpu == 'x86_64'
379  if cc.get_define('__ILP32__') == '1'
380    message('Nasm disabled on x32')
381  else
382    asm_option = get_option('asm')
383    nasm = find_program('nasm', native: true, required: asm_option)
384    if nasm.found()
385      # We can't use the version: kwarg for find_program because old versions
386      # of nasm don't support --version
387      ret = run_command(nasm, '-v', check: false)
388      if ret.returncode() == 0
389        nasm_version = ret.stdout().strip().split()[2]
390        nasm_req = '>=2.13'
391        if nasm_version.version_compare(nasm_req)
392          message('nasm found on x86-64')
393          cdata.set('HAVE_NASM', 1)
394          have_nasm = true
395        else
396          if asm_option.enabled()
397            error('asm option is enabled, and nasm @0@ was found, but @1@ is required'.format(nasm_version, nasm_req))
398          endif
399          message('nasm @0@ was found, but @1@ is required'.format(nasm_version, nasm_req))
400        endif
401      else
402        if asm_option.enabled()
403          error('asm option is enabled, but nasm is not usable: @0@\n@1@'.format(ret.stdout(), ret.stderr()))
404        endif
405        message('nasm was found, but it\'s not usable')
406      endif
407      # Unset nasm to not be 'found'
408      if not have_nasm
409        nasm = disabler()
410      endif
411    endif
412  endif
413endif
414
415# Disable compiler warnings for unused variables and args if gst debug system is disabled
416if gst_dep.type_name() == 'internal'
417  gst_debug_disabled = not subproject('gstreamer').get_variable('gst_debug')
418else
419  # We can't check that in the case of subprojects as we won't
420  # be able to build against an internal dependency (which is not built yet)
421  gst_debug_disabled = cc.has_header_symbol('gst/gstconfig.h', 'GST_DISABLE_GST_DEBUG', dependencies: gst_dep)
422endif
423
424if gst_debug_disabled
425  message('GStreamer debug system is disabled')
426  if cc.has_argument('-Wno-unused')
427    add_project_arguments('-Wno-unused', language: 'c')
428  endif
429  if have_cxx and cxx.has_argument ('-Wno-unused')
430    add_project_arguments('-Wno-unused', language: 'cpp')
431  endif
432else
433  message('GStreamer debug system is enabled')
434endif
435
436presetdir = join_paths(get_option('datadir'), 'gstreamer-' + api_version, 'presets')
437
438python3 = import('python').find_installation()
439pkgconfig = import('pkgconfig')
440plugins_pkgconfig_install_dir = join_paths(plugins_install_dir, 'pkgconfig')
441if get_option('default_library') == 'shared'
442  # If we don't build static plugins there is no need to generate pc files
443  plugins_pkgconfig_install_dir = disabler()
444endif
445
446subdir('gst')
447subdir('sys')
448subdir('ext')
449subdir('tests')
450subdir('docs')
451
452if have_orcc and orc_targets.length() > 0
453  update_orc_dist_files = find_program('scripts/update-orc-dist-files.py')
454
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
467    ]
468  endforeach
469
470  if orc_update_targets.length() > 0
471    update_orc_dist_target = alias_target('update-orc-dist', orc_update_targets)
472  endif
473endif
474
475# xgettext is optional (on Windows for instance)
476if find_program('xgettext', required : get_option('nls')).found()
477  cdata.set('ENABLE_NLS', 1)
478  subdir('po')
479endif
480
481subdir('scripts')
482
483# Set release date
484if gst_version_nano == 0
485  extract_release_date = find_program('scripts/extract-release-date-from-doap-file.py')
486  run_result = run_command(extract_release_date, gst_version, files('gst-plugins-good.doap'), check: true)
487  release_date = run_result.stdout().strip()
488  cdata.set_quoted('GST_PACKAGE_RELEASE_DATETIME', release_date)
489  message('Package release date: ' + release_date)
490endif
491
492if gio_dep.version().version_compare('< 2.67.4')
493  cdata.set('g_memdup2(ptr,sz)', '(G_LIKELY(((guint64)(sz)) < G_MAXUINT)) ? g_memdup(ptr,sz) : (g_abort(),NULL)')
494endif
495
496configure_file(output : 'config.h', configuration : cdata)
497
498plugin_names = []
499foreach plugin: plugins
500  if plugin.name().startswith('gst')
501    plugin_names += [plugin.name().substring(3)]
502  else
503    plugin_names += [plugin.name()]
504  endif
505endforeach
506
507summary({
508    'Plugins': plugin_names,
509}, list_sep: ', ')
510