gstreamer/docs/meson.build
2019-08-28 13:02:13 +00:00

190 lines
6.6 KiB
Meson

build_hotdoc = false
if meson.is_cross_build()
if get_option('doc').enabled()
error('Documentation enabled but building the doc while cross building is not supported yet.')
endif
message('Documentation not built as building it while cross building is not supported yet.')
subdir_done()
endif
required_hotdoc_extensions = ['gi-extension', 'c-extension', 'gst-extension']
if gst_dep.type_name() == 'internal'
gst_proj = subproject('gstreamer')
plugins_cache_generator = gst_proj.get_variable('plugins_cache_generator')
else
required_hotdoc_extensions += ['gst-extension']
plugins_cache_generator = find_program(join_paths(gst_dep.get_pkgconfig_variable('libexecdir'), 'gstreamer-' + api_version, 'gst-plugins-doc-cache-generator'),
required: false)
endif
plugins_cache = join_paths(meson.current_source_dir(), 'plugins', 'gst_plugins_cache.json')
if plugins.length() == 0
message('All bad plugins have been disabled')
elif plugins_cache_generator.found()
plugins_doc_dep = custom_target('bad-plugins-doc-cache',
command: [plugins_cache_generator, plugins_cache, '@OUTPUT@', '@INPUT@'],
input: plugins,
output: 'gst_plugins_cache.json',
)
else
warning('GStreamer plugin inspector for documentation not found, can\'t update the cache')
endif
hotdoc_p = find_program('hotdoc', required: get_option('doc'))
if not hotdoc_p.found()
message('Hotdoc not found, not building the documentation')
subdir_done()
endif
hotdoc = import('hotdoc')
foreach extension: required_hotdoc_extensions
if not hotdoc.has_extensions(extension)
if get_option('doc').enabled()
error('Documentation enabled but @0@ missing'.format(extension))
endif
message('@0@ extensions not found, not building documentation requiring it'.format(extension))
subdir_done()
endif
endforeach
if not build_gir
if get_option('doc').enabled()
error('Documentation enabled but introspection not built.')
endif
message('Introspection not built, can\'t build the documentation')
subdir_done()
endif
build_hotdoc = true
docconf = configuration_data()
docconf.set('GST_API_VERSION', api_version)
configure_file(input : 'gst_api_version.in',
output : 'gst_api_version.md',
configuration : docconf)
root_rel = '..'
excludes = []
foreach f: [
'gst/frei0r/frei0r.h',
'gst/mxf/mxful.c',
'gst-libs/gst/mpegts/gstmpegts-private.h',
'gst-libs/gst/player/*-private.h',
'gst-libs/gst/codecparsers/nalutils.h',
'ext/closedcaption/bcd.h',
'ext/closedcaption/bit_slicer.[ch]',
'ext/closedcaption/decoder.[ch]',
'ext/closedcaption/macros.h',
'ext/closedcaption/misc.h',
'ext/closedcaption/raw_decoder.[ch]',
'ext/closedcaption/sampling_par.[ch]',
'ext/closedcaption/sliced.[ch]',
'ext/*/*.h',
'sys/*/*.h',
'gst/*/*.h',
'gst-libs/gst/*/*-prelude.h'
]
excludes += [join_paths(meson.current_source_dir(), root_rel, f)]
endforeach
libs = []
if build_gir
libs = [
{'name': 'mpegts', 'gir': mpegts_gir, 'lib': gstmpegts_dep},
{'name': 'player', 'gir': player_gir, 'lib': gstplayer_dep},
{'name': 'insertbin', 'gir': insertbin_gir, 'lib': gstinsertbin_dep},
{'name': 'codecparsers', 'lib': gstcodecparsers_dep},
{'name': 'adaptivedemux', 'lib': gstadaptivedemux_dep},
{'name': 'webrtc', 'gir': webrtc_gir, 'lib': gstwebrtc_dep, 'suffix': 'lib'},
{'name': 'audio', 'gir': audio_gir, 'lib': gstbadaudio_dep, 'prefix': 'bad-'},
{'name': 'transcoder', 'gir': transcoder_gir, 'lib': gst_transcoder_dep},
]
endif
has_gi_extension = hotdoc.has_extensions('gi-extension')
has_c_extension = hotdoc.has_extensions('c-extension')
libs_doc = []
foreach lib_def: libs
name = lib_def['name']
lib = lib_def['lib']
if lib_def.has_key('gir')
if has_gi_extension
gir = lib_def['gir']
prefix = lib_def.get('prefix', '')
suffix = lib_def.get('suffix', '')
libs_doc += [hotdoc.generate_doc(prefix + name + suffix,
project_version: api_version,
gi_c_sources: [join_paths(root_rel, 'gst-libs/gst', name, '*.[hc]')],
gi_sources: gir[0].full_path(),
gi_c_source_filters: excludes,
sitemap: join_paths('libs', name, 'sitemap.txt'),
index: join_paths('libs/', name, 'index.md'),
gi_index: join_paths('libs/', name, 'index.md'),
gi_smart_index: true,
gi_order_generated_subpages: true,
dependencies: [lib, gir],
c_flags: '-DGST_USE_UNSTABLE_API',
install: false,
)]
endif
else
if has_c_extension
libs_doc += [hotdoc.generate_doc('gst-plugins-bad-' + name,
sitemap: join_paths('libs', name, 'sitemap.txt'),
index: join_paths('libs', name, 'index.md'),
project_version: api_version,
c_sources: [join_paths(root_rel, 'gst-libs/gst/', name, '*.[hc]')],
c_source_filters: excludes,
c_index: join_paths('libs', name, 'index.md'),
c_smart_index: true,
c_order_generated_subpages: true,
extra_c_flags: ' -DGST_USE_UNSTABLE_API',
dependencies: lib,
install: false,
)]
endif
endif
endforeach
list_plugin_res = run_command(python3, '-c',
'''
import sys
import json
with open("@0@") as f:
print(':'.join(json.load(f).keys()), end='')
'''.format(plugins_cache))
assert(list_plugin_res.returncode() == 0,
'Could not list plugins from @0@'.format(plugins_cache))
plugins_doc = []
foreach plugin_name: list_plugin_res.stdout().split(':')
plugins_doc += [hotdoc.generate_doc(plugin_name,
project_version: api_version,
sitemap: 'plugins/sitemap.txt',
index: 'plugins/index.md',
c_flags: '-DGST_USE_UNSTABLE_API',
gst_index: 'plugins/index.md',
gst_smart_index: true,
gst_c_sources: [
join_paths(root_rel, 'sys/*/*.[ch]'),
join_paths(root_rel, 'ext/*/*.[ch]'),
join_paths(root_rel, 'gst/*/*.[ch]'),
],
dependencies: [gst_dep, plugins],
install: false,
disable_incremental_build: true,
gst_cache_file: plugins_cache,
gst_c_source_filters: excludes,
gst_order_generated_subpages: true,
gst_plugin_name: plugin_name,
include_paths: join_paths(meson.current_source_dir(), '..'),
)]
endforeach