1project('pipewire', ['c' ],
2  version : '0.3.43',
3  license : [ 'MIT', 'LGPL-2.1-or-later', 'GPL-2.0-only' ],
4  meson_version : '>= 0.56.0',
5  default_options : [ 'warning_level=3',
6                      'c_std=gnu99',
7                      'cpp_std=c++17',
8                      'b_pie=true',
9                      #'b_sanitize=address,undefined',
10                      'buildtype=debugoptimized' ])
11
12pipewire_version = meson.project_version()
13version_arr = pipewire_version.split('.')
14pipewire_version_major = version_arr[0]
15pipewire_version_minor = version_arr[1]
16pipewire_version_micro = version_arr[2]
17if version_arr.length() == 4
18  pipewire_version_nano = version_arr[3]
19else
20  pipewire_version_nano = 0
21endif
22
23spaversion = '0.2'
24apiversion = '0.3'
25soversion = 0
26libversion = '@0@.@1@.0'.format(soversion, pipewire_version_minor.to_int() * 100 + pipewire_version_micro.to_int())
27
28pipewire_name = 'pipewire-@0@'.format(apiversion)
29spa_name = 'spa-@0@'.format(spaversion)
30
31prefix = get_option('prefix')
32pipewire_bindir = prefix / get_option('bindir')
33pipewire_datadir = prefix / get_option('datadir')
34pipewire_libdir = prefix / get_option('libdir')
35pipewire_libexecdir = prefix / get_option('libexecdir')
36pipewire_localedir = prefix / get_option('localedir')
37pipewire_sysconfdir = prefix / get_option('sysconfdir')
38
39pipewire_configdir = pipewire_sysconfdir / 'pipewire'
40pipewire_confdatadir = pipewire_datadir / 'pipewire'
41modules_install_dir = pipewire_libdir / pipewire_name
42
43if host_machine.system() == 'linux'
44  # glibc ld.so interprets ${LIB} in a library loading path with an
45  # appropriate value for the current architecture, typically something
46  # like lib, lib64 or lib/x86_64-linux-gnu.
47  # This allows the same pw-jack script to work for both 32- and 64-bit
48  # applications on biarch/multiarch distributions, by setting something
49  # like LD_LIBRARY_PATH='/usr/${LIB}/pipewire-0.3/jack'.
50  # Note that ${LIB} is a special token expanded by the runtime linker,
51  # not an environment variable, and must be passed through literally.
52  modules_install_dir_dlopen = prefix / '${LIB}' / pipewire_name
53else
54  modules_install_dir_dlopen = modules_install_dir
55endif
56
57spa_plugindir = pipewire_libdir / spa_name
58spa_datadir = pipewire_datadir / spa_name
59
60alsadatadir = pipewire_datadir / 'alsa-card-profile' / 'mixer'
61
62pipewire_headers_dir = pipewire_name / 'pipewire'
63
64pkgconfig = import('pkgconfig')
65
66cc = meson.get_compiler('c')
67
68common_flags = [
69  '-fvisibility=hidden',
70  '-Werror=suggest-attribute=format',
71  '-Wsign-compare',
72  '-Wpointer-arith',
73  '-Wpointer-sign',
74  '-Wformat',
75  '-Wformat-security',
76  '-Wimplicit-fallthrough',
77  '-Wmissing-braces',
78  '-Wtype-limits',
79  '-Wvariadic-macros',
80  '-Wno-missing-field-initializers',
81  '-Wno-unused-parameter',
82  '-Wno-pedantic',
83  '-Wold-style-declaration',
84  '-Wunused-result',
85]
86
87cc_flags = common_flags + [
88  '-D_GNU_SOURCE',
89  '-DFASTPATH',
90# '-DSPA_DEBUG_MEMCPY',
91]
92add_project_arguments(cc.get_supported_arguments(cc_flags), language: 'c')
93
94have_cpp = add_languages('cpp', native: false, required : false)
95
96if have_cpp
97  cxx = meson.get_compiler('cpp')
98  cxx_flags = common_flags
99  add_project_arguments(cxx.get_supported_arguments(cxx_flags), language: 'cpp')
100endif
101
102sse_args = '-msse'
103sse2_args = '-msse2'
104ssse3_args = '-mssse3'
105sse41_args = '-msse4.1'
106fma_args = '-mfma'
107avx_args = '-mavx'
108avx2_args = '-mavx2'
109
110have_sse = cc.has_argument(sse_args)
111have_sse2 = cc.has_argument(sse2_args)
112have_ssse3 = cc.has_argument(ssse3_args)
113have_sse41 = cc.has_argument(sse41_args)
114have_fma = cc.has_argument(fma_args)
115have_avx = cc.has_argument(avx_args)
116have_avx2 = cc.has_argument(avx2_args)
117
118have_neon = false
119if host_machine.cpu_family() == 'aarch64'
120  if cc.compiles('''
121    #include <arm_neon.h>
122    int main () {
123      float *s;
124      asm volatile(
125        "      ld1 { v0.4s }, [%[s]], #16\n"
126        "      fcvtzs v0.4s, v0.4s, #31\n"
127        : [s] "+r" (s) : :);
128    }
129    ''',
130    name : 'aarch64 Neon Support')
131      neon_args = []
132      have_neon = true
133
134  endif
135elif cc.has_argument('-mfpu=neon')
136  if cc.compiles('''
137    #include <arm_neon.h>
138    int main () {
139      float *s;
140      asm volatile(
141        "      vld1.32 { q0 }, [%[s]]!\n"
142        "      vcvt.s32.f32 q0, q0, #31\n"
143        : [s] "+r" (s) : :);
144    }
145    ''',
146    args: '-mfpu=neon',
147    name : 'arm Neon Support')
148      neon_args = ['-mfpu=neon']
149      have_neon = true
150  endif
151endif
152
153libatomic = cc.find_library('atomic', required : false)
154
155test_8_byte_atomic = '''
156#include <stdint.h>
157
158int main(void)
159{
160  int64_t eight;
161  __atomic_fetch_add(&eight, 123, __ATOMIC_SEQ_CST);
162  return 0;
163}
164'''
165
166# We currently assume that libatomic is unnecessary for 4-byte atomic
167# operations on any reasonable architecture.
168if cc.links(
169  test_8_byte_atomic,
170  name : '8-byte __atomic_fetch_add without libatomic')
171  atomic_dep = dependency('', required: false)
172elif cc.links(
173  test_8_byte_atomic,
174  dependencies : libatomic,
175  name : '8-byte __atomic_fetch_add with libatomic')
176  atomic_dep = libatomic
177else
178  error('8-byte atomic operations are required')
179endif
180
181versiondata = configuration_data()
182versiondata.set('PIPEWIRE_VERSION_MAJOR', pipewire_version_major)
183versiondata.set('PIPEWIRE_VERSION_MINOR', pipewire_version_minor)
184versiondata.set('PIPEWIRE_VERSION_MICRO', pipewire_version_micro)
185versiondata.set('PIPEWIRE_VERSION_NANO', pipewire_version_nano)
186versiondata.set_quoted('PIPEWIRE_API_VERSION', apiversion)
187
188cdata = configuration_data()
189cdata.set_quoted('PIPEWIRE_CONFDATADIR', pipewire_confdatadir)
190cdata.set_quoted('LOCALEDIR', pipewire_localedir)
191cdata.set_quoted('LIBDIR', pipewire_libdir)
192cdata.set_quoted('GETTEXT_PACKAGE', meson.project_name())
193cdata.set_quoted('PACKAGE', 'pipewire')
194cdata.set_quoted('PACKAGE_NAME', 'PipeWire')
195cdata.set_quoted('PACKAGE_STRING', 'PipeWire @0@'.format(pipewire_version))
196cdata.set_quoted('PACKAGE_TARNAME', 'pipewire')
197cdata.set_quoted('PACKAGE_URL', 'https://pipewire.org')
198cdata.set_quoted('PACKAGE_VERSION', pipewire_version)
199cdata.set_quoted('MODULEDIR', modules_install_dir)
200cdata.set_quoted('PIPEWIRE_CONFIG_DIR', pipewire_configdir)
201cdata.set_quoted('PLUGINDIR', spa_plugindir)
202cdata.set_quoted('SPADATADIR', spa_datadir)
203# FIXME: --with-memory-alignment],[8,N,malloc,pagesize (default is 32)]) option
204cdata.set('MEMORY_ALIGNMENT_MALLOC', 1)
205cdata.set_quoted('PA_ALSA_PATHS_DIR', alsadatadir / 'paths')
206cdata.set_quoted('PA_ALSA_PROFILE_SETS_DIR', alsadatadir / 'profile-sets')
207
208if host_machine.endian() == 'big'
209  cdata.set('WORDS_BIGENDIAN', 1)
210endif
211
212check_headers = [['dlfcn.h','HAVE_DLFCN_H'],
213  ['inttypes.h', 'HAVE_INTTYPES_H'],
214  ['memory.h', 'HAVE_MEMORY_H'],
215  ['poll.h', 'HAVE_POLL_H'],
216  ['stddef.h', 'HAVE_STDDEF_H'],
217  ['stdint.h', 'HAVE_STDINT_H'],
218  ['stdio_ext.h', 'HAVE_STDIO_EXT_H'],
219  ['strings.h', 'HAVE_STRINGS_H'],
220  ['string.h', 'HAVE_STRING_H'],
221  ['sys/mount.h', 'HAVE_SYS_MOUNT_H'],
222  ['sys/param.h', 'HAVE_SYS_PARAM_H'],
223  ['sys/poll.h', 'HAVE_SYS_POLL_H'],
224  ['sys/prctl.h', 'HAVE_SYS_PRCTL_H'],
225  ['sys/random.h', 'HAVE_SYS_RANDOM_H'],
226  ['sys/socket.h', 'HAVE_SYS_SOCKET_H'],
227  ['sys/stat.h', 'HAVE_SYS_STAT_H'],
228  ['sys/times.h', 'HAVE_SYS_TIMES_H'],
229  ['sys/time.h', 'HAVE_SYS_TIME_H'],
230  ['sys/types.h', 'HAVE_SYS_TYPES_H'],
231  ['sys/utsname.h', 'HAVE_SYS_UTSNAME_H'],
232  ['sys/vfs.h', 'HAVE_SYS_VFS_H'],
233  ['sys/wait.h', 'HAVE_SYS_WAIT_H'],
234  ['pwd.h', 'HAVE_PWD_H'],
235  ['ucontext.h', 'HAVE_UCONTEXT_H'],
236  ['unistd.h', 'HAVE_UNISTD_H'],
237]
238
239foreach h : check_headers
240  if cc.has_header(h.get(0))
241    cdata.set(h.get(1), 1)
242  endif
243endforeach
244
245if cc.has_function('poll', prefix : '#include<poll.h>')
246  cdata.set('HAVE_POLL', 1)
247endif
248if cc.has_function('pselect', prefix : '#include<sys/select.h>')
249  cdata.set('HAVE_PSELECT', 1)
250endif
251cdata.set('HAVE_MMAP', 1)
252
253if cc.has_function('posix_memalign', prefix : '#include<stdlib.h>')
254  cdata.set('HAVE_POSIX_MEMALIGN', 1)
255endif
256if cc.has_function('getpagesize', prefix : '#include<unistd.h>')
257  cdata.set('HAVE_GETPAGESIZE', 1)
258endif
259if cc.has_function('gettid', prefix : '#include<unistd.h>', args: [ '-D_GNU_SOURCE' ])
260  cdata.set('HAVE_GETTID', 1)
261endif
262if cc.has_function('clock_gettime', prefix : '#include <time.h>')
263  cdata.set('HAVE_CLOCK_GETTIME', 1)
264endif
265
266if cc.has_type('ptrdiff_t', prefix : '#include <stddef.h>')
267  cdata.set('HAVE_PTRDIFF_T', 1)
268endif
269
270if cc.has_header_symbol('string.h', 'strndupa', args : [ '-D_GNU_SOURCE' ])
271  cdata.set('HAVE_STRNDUPA', 1)
272endif
273
274if cc.has_function('mkstemp', prefix : '#include <stdlib.h>')
275  cdata.set('HAVE_MKSTEMP', 1)
276endif
277
278if cc.has_function('memfd_create', prefix : '#include <sys/mman.h>', args : [ '-D_GNU_SOURCE' ])
279  cdata.set('HAVE_MEMFD_CREATE', 1)
280endif
281
282if cc.has_function('getrandom', prefix : '#include <stddef.h>\n#include <sys/random.h>', args : [ '-D_GNU_SOURCE' ])
283  cdata.set('HAVE_GETRANDOM', 1)
284endif
285
286if cc.has_function('sigabbrev_np', prefix : '#include <string.h>', args : [ '-D_GNU_SOURCE' ])
287  cdata.set('HAVE_SIGABBREV_NP', 1)
288endif
289
290if cc.get_define('SYS_pidfd_open', prefix : '#include <sys/syscall.h>') != ''
291  cdata.set('HAVE_PIDFD_OPEN', 1)
292endif
293
294systemd = dependency('systemd', required: get_option('systemd'))
295systemd_dep = dependency('libsystemd',required: get_option('systemd'))
296summary({'systemd conf data': systemd.found()}, bool_yn: true)
297summary({'libsystemd': systemd_dep.found()}, bool_yn: true)
298if systemd.found() and systemd_dep.found()
299  cdata.set('HAVE_SYSTEMD', 1)
300endif
301
302configinc = include_directories('.')
303includes_inc = include_directories('include')
304pipewire_inc = include_directories('src')
305
306makedata = configuration_data()
307makedata.set('BUILD_ROOT', meson.project_build_root())
308makedata.set('SOURCE_ROOT', meson.project_source_root())
309makedata.set('VERSION', pipewire_version)
310if version_arr.length() == 4
311  makedata.set('TAG', 'HEAD')
312else
313  makedata.set('TAG', pipewire_version)
314endif
315
316configure_file(input : 'Makefile.in',
317  output : 'Makefile',
318  configuration : makedata)
319
320# Find dependencies
321mathlib = cc.find_library('m', required : false)
322rt_lib = cc.find_library('rt', required : false) # clock_gettime
323dl_lib = cc.find_library('dl', required : false)
324pthread_lib = dependency('threads')
325dbus_dep = dependency('dbus-1', required : get_option('dbus'))
326summary({'dbus (Bluetooth, rtkit, portal, pw-reserve)': dbus_dep.found()}, bool_yn: true, section: 'Misc dependencies')
327if dbus_dep.found()
328  cdata.set('HAVE_DBUS', 1)
329endif
330sdl_dep = dependency('sdl2', required : get_option('sdl2'))
331summary({'SDL 2': sdl_dep.found()}, bool_yn: true, section: 'Misc dependencies')
332drm_dep = dependency('libdrm', required : false)
333readline_dep = dependency('readline', required : false)
334
335if not readline_dep.found()
336  readline_dep = cc.find_library('readline', required: false)
337endif
338
339summary({'readline (for pw-cli)': readline_dep.found()}, bool_yn: true, section: 'Misc dependencies')
340ncurses_dep = dependency('ncursesw', required : false)
341sndfile_dep = dependency('sndfile', version : '>= 1.0.20', required : get_option('sndfile'))
342summary({'sndfile': sndfile_dep.found()}, bool_yn: true, section: 'pw-cat/pw-play/pw-dump/filter-chain')
343if sndfile_dep.found()
344  cdata.set('HAVE_SNDFILE', 1)
345endif
346pulseaudio_dep = dependency('libpulse', required : get_option('libpulse'))
347summary({'libpulse': pulseaudio_dep.found()}, bool_yn: true, section: 'Streaming between daemons')
348avahi_dep = dependency('avahi-client', required : get_option('avahi'))
349summary({'Avahi DNS-SD (Zeroconf)': avahi_dep.found()}, bool_yn: true,
350  section: 'Streaming between daemons')
351
352libusb_dep = dependency('libusb-1.0', required : get_option('libusb'))
353summary({'libusb (Bluetooth quirks)': libusb_dep.found()}, bool_yn: true, section: 'Backend')
354if libusb_dep.found()
355  cdata.set('HAVE_LIBUSB', 1)
356endif
357
358cap_lib = dependency('libcap', required : false)
359if cap_lib.found()
360  cdata.set('HAVE_LIBCAP', 1)
361endif
362
363gst_option = get_option('gstreamer')
364gst_deps_def = {
365  'glib-2.0': {'version': '>=2.32.0'},
366  'gobject-2.0': {},
367  'gmodule-2.0': {},
368  'gio-2.0': {},
369  'gio-unix-2.0': {},
370  'gstreamer-1.0': {'version': '>= 1.10.0'},
371  'gstreamer-plugins-base-1.0': {},
372  'gstreamer-video-1.0': {},
373  'gstreamer-audio-1.0': {},
374  'gstreamer-allocators-1.0': {},
375}
376
377gst_dep = []
378foreach depname, kwargs: gst_deps_def
379  dep = dependency(depname, required: gst_option, kwargs: kwargs)
380  summary({depname: dep.found()}, bool_yn: true, section: 'GStreamer modules')
381  if not dep.found()
382    # Beware, there's logic below depending on the array clear here!
383    gst_dep = []
384    if get_option('gstreamer-device-provider').enabled()
385      error('`gstreamer-device-provider` is enabled but `@0@` was not found.'.format(depname))
386    endif
387    break
388  endif
389  gst_dep += [dep]
390endforeach
391
392# This code relies on the array being empty if any dependency was not found
393gst_dp_found = gst_dep.length() > 0
394summary({'gstreamer-device-provider': gst_dp_found}, bool_yn: true, section: 'Backend')
395
396if not get_option('gstreamer-device-provider').disabled()
397  cdata.set('HAVE_GSTREAMER_DEVICE_PROVIDER', 1)
398endif
399
400webrtc_dep = dependency('webrtc-audio-processing',
401  version : ['>= 0.2', '< 1.0'],
402  required : get_option('echo-cancel-webrtc'))
403summary({'WebRTC Echo Canceling': webrtc_dep.found()}, bool_yn: true, section: 'Misc dependencies')
404
405if webrtc_dep.found()
406  cdata.set('HAVE_WEBRTC', 1)
407endif
408
409# On FreeBSD, epoll-shim library is required for eventfd() and timerfd()
410epoll_shim_dep = (build_machine.system() == 'dragonfly'
411    ? dependency('epoll-shim', required: true)
412    : dependency('', required: false))
413
414libinotify_dep = (build_machine.system() == 'dragonfly'
415    ? dependency('libinotify', required: true)
416    : dependency('', required: false))
417
418# On FreeBSD, libintl library is required for gettext
419libintl_dep = dependency('intl', required: false)
420
421if not libintl_dep.found()
422    libintl_dep = cc.find_library('intl', required: false)
423endif
424summary({'intl support': libintl_dep.found()}, bool_yn: true)
425
426need_alsa = get_option('pipewire-alsa').enabled() or 'media-session' in get_option('session-managers')
427alsa_dep = dependency('alsa', version : '>=1.1.7', required: need_alsa)
428summary({'pipewire-alsa': alsa_dep.found()}, bool_yn: true)
429
430if build_machine.system() == 'dragonfly'
431# On FreeBSD the OpenSSL library may come from base or a package.
432# Check for a package first and fallback to the base library if we can't find it via pkgconfig
433    openssl_lib = dependency('openssl', required: false)
434    if not openssl_lib.found()
435        openssl_lib = declare_dependency(link_args : [ '-lssl', '-lcrypto'])
436    endif
437else
438    openssl_lib = dependency('openssl', required: get_option('raop'))
439endif
440summary({'OpenSSL (for raop-sink)': openssl_lib.found()}, bool_yn: true)
441
442lilv_lib = dependency('lilv-0', required: get_option('lv2'))
443summary({'lilv (for lv2 plugins)': lilv_lib.found()}, bool_yn: true)
444if lilv_lib.found()
445  cdata.set('HAVE_LILV', 1)
446endif
447
448installed_tests_metadir = pipewire_datadir / 'installed-tests' / pipewire_name
449installed_tests_execdir = pipewire_libexecdir / 'installed-tests' / pipewire_name
450installed_tests_enabled = not get_option('installed_tests').disabled()
451installed_tests_template = files('template.test.in')
452
453if not get_option('tests').disabled()
454  gstack = find_program('gstack', required : false)
455  cdata.set10('HAVE_GSTACK', gstack.found())
456endif
457
458subdir('po')
459subdir('spa')
460subdir('src')
461
462if not get_option('tests').disabled()
463  subdir('test')
464endif
465
466configure_file(output : 'config.h',
467               configuration : cdata)
468
469if not get_option('pipewire-jack').disabled()
470  subdir('pipewire-jack')
471endif
472if not get_option('pipewire-v4l2').disabled()
473  subdir('pipewire-v4l2')
474endif
475
476if alsa_dep.found()
477  subdir('pipewire-alsa/alsa-plugins')
478  subdir('pipewire-alsa/conf')
479  subdir('pipewire-alsa/tests')
480endif
481
482doxygen = find_program('doxygen', required : get_option('docs'))
483if doxygen.found()
484  subdir('doc')
485endif
486
487if not get_option('man').disabled()
488  rst2man = find_program('rst2man', required: false)
489  if not rst2man.found()
490    rst2man = find_program('rst2man.py', required: get_option('man'))
491  endif
492  summary({'Manpage generation': rst2man.found()}, bool_yn: true)
493  if rst2man.found()
494    subdir('man')
495  endif
496endif
497
498setenv = find_program('pw-uninstalled.sh')
499run_target('pw-uninstalled',
500  command : [setenv,
501             '-b@0@'.format(meson.project_build_root()),
502             '-v@0@'.format(pipewire_version)]
503)
504
505if meson.version().version_compare('>=0.58.0')
506  devenv = environment()
507
508  builddir = meson.project_build_root()
509  srcdir = meson.project_source_root()
510
511  devenv.set('PIPEWIRE_CONFIG_DIR', pipewire_dep.get_variable(internal: 'confdatadir'))
512  devenv.set('PIPEWIRE_MODULE_DIR', pipewire_dep.get_variable(internal: 'moduledir'))
513
514  devenv.set('SPA_PLUGIN_DIR', spa_dep.get_variable(internal: 'plugindir'))
515  devenv.set('SPA_DATA_DIR', spa_dep.get_variable(internal: 'datadir'))
516
517  devenv.set('GST_PLUGIN_PATH', builddir / 'src'/ 'gst')
518
519  devenv.set('ALSA_PLUGIN_DIR', builddir / 'pipewire-alsa' / 'alsa-plugins')
520  devenv.set('ACP_PATHS_DIR', srcdir / 'spa' / 'plugins' / 'alsa' / 'mixer' / 'paths')
521  devenv.set('ACP_PROFILES_DIR', srcdir / 'spa' / 'plugins' / 'alsa' / 'mixer' / 'profile-sets')
522
523  devenv.set('LD_LIBRARY_PATH', builddir / 'pipewire-jack' / 'src')
524
525  devenv.set('PW_UNINSTALLED', '1')
526
527  meson.add_devenv(devenv)
528endif
529