1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
|
project('gst-plugins-rs',
'rust',
'c',
version: '0.10.0-alpha.1',
meson_version : '>= 0.60')
# dependencies.py needs a toml parsing module
python = import('python').find_installation(modules: ['tomllib'], required: false)
if not python.found()
python = import('python').find_installation(modules: ['tomli'])
endif
fs = import('fs')
host_system = host_machine.system()
if get_option('debug')
target = 'debug'
else
target = 'release'
endif
cargo = find_program('cargo', version:'>=1.40')
cargo_wrapper = find_program('cargo_wrapper.py')
cargo_c = find_program('cargo-cbuild', version:'>=0.9.3', required: false)
rustc = find_program('rustc', version:'>=1.52')
if not cargo_c.found()
error('cargo-c missing, install it with: \'cargo install cargo-c\'')
endif
system = build_machine.system()
exe_suffix = ''
if system == 'windows'
exe_suffix = '.exe'
ext_dynamic = 'dll'
ext_static = 'lib'
elif system == 'darwin'
ext_dynamic = 'dylib'
ext_static = 'a'
else
ext_dynamic = 'so'
ext_static = 'a'
endif
# Extra env to pass to cargo
extra_env = {}
# Used to not lookup the same dependency multiple times which clutters logs
deps_cache = {}
# Need to depends on all gstreamer-rs deps to ensure they are built
# before gstreamer-rs when building with gst-build.
# Custom targets can't depend on dependency() objects so we have to depend
# on the library variable from the subproject instead.
glib_req = '>=2.62'
gst_req = '>=1.20.0'
depends = []
deps = [
# name, subproject name, subproject dep, library object
['gstreamer-1.0', 'gstreamer', 'gst_dep', 'libgst'],
['gstreamer-app-1.0', 'gst-plugins-base', 'app_dep', 'gstapp'],
['gstreamer-audio-1.0', 'gst-plugins-base', 'audio_dep', 'gstaudio'],
['gstreamer-base-1.0', 'gstreamer', 'gst_base_dep', 'gst_base'],
['gstreamer-check-1.0', 'gstreamer', 'gst_check_dep', 'gst_check'],
['gstreamer-gl-1.0', 'gst-plugins-base', 'gst_gl_dep', 'gstgl'],
['gstreamer-net-1.0', 'gstreamer', 'gst_net_dep', 'gst_net'],
['gstreamer-rtp-1.0', 'gst-plugins-base', 'rtp_dep', 'gst_rtp'],
['gstreamer-video-1.0', 'gst-plugins-base', 'video_dep', 'gstvideo'],
['gstreamer-sdp-1.0', 'gst-plugins-base', 'sdp_dep', 'gstsdp'],
['gstreamer-webrtc-1.0', 'gst-plugins-bad', 'gstwebrtc_dep', 'gstwebrtc'],
]
glib_dep = dependency('glib-2.0', version: glib_req)
deps_cache += {'glib-2.0': glib_dep}
foreach d: deps
dep = dependency(d[0], version: gst_req,
fallback : [d[1], d[2]])
set_variable(d[2], dep)
deps_cache += {d[0]: dep}
if dep.type_name() == 'internal'
lib = subproject(d[1]).get_variable(d[3])
depends += lib
endif
endforeach
# kept in the same order as the `members` list in Cargo.toml
plugins = {
'audiofx': {
'library': 'libgstrsaudiofx',
'examples': ['hrtfrender'],
},
'claxon': {'library': 'libgstclaxon'},
# csound has a non-trivial external dependency, see below
'lewton': {'library': 'libgstlewton'},
'spotify': {'library': 'libgstspotify'},
'file': {'library': 'libgstrsfile'},
# sodium can have an external dependency, see below
'threadshare': {
'library': 'libgstthreadshare',
'examples': [
'ts-benchmark',
'udpsrc-benchmark-sender',
'tcpclientsrc-benchmark-sender',
'ts-standalone',
],
},
'mp4': {'library': 'libgstmp4'},
'fmp4': {
'library': 'libgstfmp4',
'examples': [
'dash_vod',
'hls_live',
'hls_vod',
],
},
'aws': {
'library': 'libgstaws',
'extra-deps': {'openssl': '>=1.1'},
},
'hlssink3': {'library': 'libgsthlssink3'},
'ndi': {'library': 'libgstndi'},
'onvif': {
'library': 'libgstrsonvif',
'extra-deps': {'pangocairo': ''},
},
'raptorq': {'library': 'libgstraptorq'},
'reqwest': {'library': 'libgstreqwest'},
'rtp': {'library': 'libgstrsrtp'},
'webrtchttp': {'library': 'libgstwebrtchttp'},
'webrtc': {
'library': 'libgstrswebrtc',
'examples': ['webrtcsink-stats-server'],
},
'textahead': {'library': 'libgsttextahead'},
'json': {'library': 'libgstjson'},
'regex': {'library': 'libgstregex'},
'textwrap': {'library': 'libgsttextwrap'},
'fallbackswitch': {
'library': 'libgstfallbackswitch',
'examples': ['gtk-fallbackswitch'],
'features': ['gtk', 'gio', 'gst-plugin-gtk4'],
},
'livesync': {
'library': 'libgstlivesync',
'examples': ['gtk-livesync'],
'features': ['gtk', 'gio', 'gst-plugin-gtk4'],
},
'togglerecord': {
'library': 'libgsttogglerecord',
'examples': ['gtk-recording'],
'features': ['gtk', 'gio', 'gst-plugin-gtk4'],
},
'tracers': {'library': 'libgstrstracers'},
'uriplaylistbin': {
'library': 'libgsturiplaylistbin',
'examples': ['playlist'],
'features': ['clap'],
},
'cdg': {'library': 'libgstcdg'},
'closedcaption': {
'library': 'libgstrsclosedcaption',
'extra-deps': {
'pango': '',
'pangocairo': '',
'cairo-gobject': '',
}
},
'dav1d': {
'library': 'libgstdav1d',
'extra-deps': {'dav1d': '>=1.0'},
},
'ffv1': {'library': 'libgstffv1'},
'flavors': {'library': 'libgstrsflv'},
'gif': {
'library': 'libgstgif',
'examples': ['testvideosrc2gif'],
},
# gtk4 is added below
'hsv': {'library': 'libgsthsv'},
'png': {
'library': 'libgstrspng',
'examples': ['pngenc'],
},
'rav1e': {'library': 'libgstrav1e'},
'videofx': {
'library': 'libgstrsvideofx',
'extra-deps': {'cairo-gobject': ''},
},
}
# Won't build on platforms where it bundles the sources because of:
# https://github.com/qnighy/libwebp-sys2-rs/issues/12
# the fix is:
# https://github.com/qnighy/libwebp-sys2-rs/pull/13
if host_system not in ['windows', 'darwin']
# FIXME: libwebp-sys2 will build its bundled version on msvc and apple platforms
# https://github.com/qnighy/libwebp-sys2-rs/issues/4
plugins += {'webp': {
'library': 'libgstrswebp',
'extra-deps': {'libwebpdemux': ''},
}}
endif
sodium_opt = get_option('sodium')
if sodium_opt.allowed()
sodium_plugin = {'sodium': {
'library': 'libgstsodium',
'examples': ['generate-keys', 'encrypt-example', 'decrypt-example'],
'features': ['serde', 'serde_json', 'clap'],
}}
if get_option('sodium-source') == 'system'
sodium_dep = dependency('libsodium', required: sodium_opt.enabled())
extra_env += {'SODIUM_USE_PKG_CONFIG': '1'}
if sodium_dep.found()
plugins += sodium_plugin
endif
else
plugins += sodium_plugin
endif
endif
cc = meson.get_compiler('c')
csound_option = get_option('csound')
if csound_option.allowed()
# if csound isn't distributed with pkg-config then user needs to define CSOUND_LIB_DIR with its location
res = run_command(python, '-c', 'import os; print(os.environ["CSOUND_LIB_DIR"])', check: false)
if res.returncode() == 0
csound_libdir = res.stdout().strip()
csound_dep = cc.find_library('csound64', dirs: csound_libdir, required: false)
if csound_dep.found()
plugins += {'csound': {
'library': 'libgstcsound',
'examples': ['csound-effect'],
}}
extra_env += {'CSOUND_LIB_DIR': csound_libdir}
elif csound_option.enabled()
error('csound option is enabled, but csound64 library could not be found and CSOUND_LIB_DIR was not set')
endif
endif
endif
if get_option('gtk4').allowed()
gtk4_features = []
gl_winsys = gst_gl_dep.get_variable('gl_winsys').split()
gl_platforms = gst_gl_dep.get_variable('gl_platforms').split()
if host_system == 'linux'
if 'wayland' in gl_winsys
gtk4_features += 'wayland'
endif
if 'x11' in gl_winsys
if 'egl' in gl_platforms
gtk4_features += 'x11egl'
endif
if 'glx' in gl_platforms
gtk4_features += 'x11glx'
endif
endif
endif
plugins += {'gtk4': {
'library': 'libgstgtk4',
'examples': ['gtksink'],
'extra-deps': {'gtk4': '>=4.6'},
'features': gtk4_features,
}}
endif
# Process plugins list
default_library = get_option('default_library')
library_suffixes = []
if default_library in ['shared', 'both']
library_suffixes += [ext_dynamic]
endif
if default_library in ['static', 'both']
library_suffixes += [ext_static]
endif
# cargo packages (plugins) to build
packages = []
# cargo features
features = []
# examples to build
examples = []
# Add the plugin library files as output
output = []
if get_option('gtk4').allowed()
if glib_dep.version().version_compare('>=2.74')
features += ['glib/v2_74', 'gio/v2_74']
elif glib_dep.version().version_compare('>=2.72')
features += ['glib/v2_72', 'gio/v2_72']
elif glib_dep.version().version_compare('>=2.70')
features += ['glib/v2_70', 'gio/v2_70']
elif glib_dep.version().version_compare('>=2.68')
features += ['glib/v2_68', 'gio/v2_68']
elif glib_dep.version().version_compare('>=2.66')
features += ['glib/v2_66', 'gio/v2_66']
elif glib_dep.version().version_compare('>=2.64')
features += ['glib/v2_64', 'gio/v2_64']
elif glib_dep.version().version_compare('>=2.62')
features += ['glib/v2_62', 'gio/v2_62']
elif glib_dep.version().version_compare('>=2.60')
features += ['glib/v2_60', 'gio/v2_60']
elif glib_dep.version().version_compare('>=2.58')
features += ['glib/v2_58', 'gio/v2_58']
endif
endif
if gst_dep.version().version_compare('>=1.21')
components = [
'', '-app', '-audio', '-base', '-check',
'-rtp', '-sdp', '-utils', '-video', '-webrtc',
]
if get_option('tracers').allowed()
components += '-plugin-tracers'
endif
if get_option('threadshare').allowed()
components += '-net'
endif
if get_option('mp4').allowed() or get_option('fmp4').allowed()
components += '-pbutils'
endif
foreach c: components
features += f'gst@c@/v1_22'
endforeach
if get_option('webrtc').allowed()
features += 'gst-plugin-webrtc/gst1_22'
endif
endif
if get_option('rav1e').allowed() and find_program('nasm', required: false).found()
features += 'gst-plugin-rav1e/asm'
endif
foreach plugin_name, details: plugins
plugin_opt = get_option(plugin_name)
if plugin_opt.allowed()
plugin_deps_found = true
foreach dep_name, dep_ver: details.get('extra-deps', {})
if dep_ver != ''
dep = dependency(dep_name, version: dep_ver, required: plugin_opt)
else
dep = dependency(dep_name, required: plugin_opt)
endif
deps_cache += {dep_name: dep}
if not dep.found()
plugin_deps_found = false
endif
endforeach
if plugin_deps_found
packages += f'gst-plugin-@plugin_name@'
features += details.get('features', [])
examples += details.get('examples', [])
lib = details.get('library')
if default_library in ['shared', 'both']
output += [lib + '.' + ext_dynamic]
endif
if default_library in ['static', 'both']
output += [lib + '.' + ext_static]
endif
endif
endif
endforeach
plugins_install_dir = get_option('libdir') / 'gstreamer-1.0'
pkgconfig_install_dir = get_option('libdir') / 'pkgconfig'
extra_args = []
if get_option('doc').disabled()
extra_args = ['--disable-doc']
endif
# 'pkgconfig' is the entry in the machine file, if specified
pkg_config = find_program('pkgconfig', required: false)
if pkg_config.found()
extra_env += {'PKG_CONFIG': pkg_config.full_path()}
endif
pkg_config_path = get_option('pkg_config_path')
if pkg_config_path.length() > 0
pathsep = ':'
if host_system == 'windows'
pathsep = ';'
endif
extra_env += {'PKG_CONFIG_PATH': pathsep.join(pkg_config_path)}
endif
rs_plugins = custom_target('gst-plugins-rs',
build_by_default: true,
output: output,
console: true,
install: true,
install_dir: plugins_install_dir,
depends: depends,
depfile: 'gst-plugins-rs.dep',
env: extra_env,
command: [cargo_wrapper,
'build',
meson.current_build_dir(),
meson.current_source_dir(),
meson.global_build_root(),
target,
get_option('prefix'),
get_option('libdir'),
'--packages', packages,
'--features', features,
'--depfile', '@DEPFILE@',
'--lib-suffixes', library_suffixes,
] + extra_args)
plugins = rs_plugins.to_list()
# This is used by GStreamer to static link Rust plugins into gst-full
gst_plugins = []
pc_files = []
plugin_names = []
foreach plugin : plugins
# skip the 'lib' prefix and extension from plugin path
plugin_name = fs.stem(plugin.full_path()).substring(3)
option_name = plugin_name.substring(3)
if option_name.startswith('rs')
option_name = option_name.substring(2)
endif
if option_name == 'flv'
option_name = 'flavors'
endif
if not get_option(option_name).allowed()
continue
endif
# Extract plugin dependencies from their Cargo.toml file
plugin_deps = []
p = run_command('dependencies.py', meson.current_source_dir(), plugin_name,
capture: true,
check: true)
foreach dep_name : p.stdout().strip().split(',')
dep_name_version = dep_name.split('|')
dep_name = dep_name_version.get(0).strip()
if dep_name_version.length() > 1
extras = {'version': dep_name_version.get(1).strip()}
else
extras = {}
endif
if deps_cache.has_key(dep_name)
plugin_deps += deps_cache[dep_name]
else
dep = dependency(dep_name, required: false, kwargs: extras)
plugin_deps += dep
deps_cache += {dep_name: dep}
endif
endforeach
dep = declare_dependency(
link_with: plugin,
dependencies: plugin_deps,
variables: {'full_path': plugin.full_path()},
)
meson.override_dependency(plugin_name, dep)
if default_library == 'static' and plugin_name in ['gstcsound', 'gstthreadshare', 'gstgtk4']
warning('Static plugin @0@ is known to fail. It will not be included in libgstreamer-full.'.format(plugin_name))
else
gst_plugins += dep
pc_files += [plugin_name + '.pc']
if plugin_name.startswith('gst')
plugin_names += [plugin_name.substring(3)]
else
plugin_names += [plugin_name]
endif
endif
endforeach
subdir('docs')
# We don't need to pass a command as we depends on the target above
# but it is currently mandatory ( https://github.com/mesonbuild/meson/issues/8059 )
# so use python as it's guaranteed to be present on any setup
custom_target('gst-plugins-rs-pc-files',
build_by_default: true,
output: pc_files,
console: true,
install: true,
install_dir: pkgconfig_install_dir,
depends: rs_plugins,
command: [python, '-c', '""'])
if get_option('webrtc').allowed()
custom_target('gst-webrtc-signalling-server',
build_by_default: true,
output: 'gst-webrtc-signalling-server',
console: true,
install: true,
install_dir: get_option('bindir'),
depfile: 'gst-webrtc-signalling-server.dep',
env: extra_env,
command: [cargo_wrapper,
'build',
meson.current_build_dir(),
meson.current_source_dir(),
meson.global_build_root(),
target,
get_option('prefix'),
get_option('libdir'),
'--depfile', '@DEPFILE@',
'--bin', 'gst-webrtc-signalling-server',
'--exe-suffix', exe_suffix,
])
endif
if get_option('examples').allowed() and examples.length() > 0
custom_target('gst-plugins-rs-examples',
build_by_default: true,
output: examples,
console: true,
install: false,
depfile: 'gst-plugins-rs-examples.dep',
env: extra_env,
command: [cargo_wrapper,
'build',
meson.current_build_dir(),
meson.current_source_dir(),
meson.global_build_root(),
target,
get_option('prefix'),
get_option('libdir'),
'--depfile', '@DEPFILE@',
'--packages', packages,
'--features', features,
'--examples', examples,
'--exe-suffix', exe_suffix,
])
endif
test('tests',
cargo_wrapper,
env: extra_env,
args: ['test',
meson.current_build_dir(),
meson.current_source_dir(),
meson.global_build_root(),
target,
get_option('prefix'),
get_option('libdir'),
'--packages', packages],
timeout: 600)
summary({
'Plugins': plugin_names,
}, list_sep: ', ')
|