gstreamer/subprojects/gst-plugins-bad/docs/meson.build

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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
if static_build
if get_option('doc').enabled()
error('Documentation enabled but not supported when building statically.')
endif
message('Building statically, can\'t build the documentation')
subdir_done()
endif
if not build_gir
if get_option('doc').enabled()
error('Documentation enabled but introspection not built.')
endif
message('Introspection not built, won\'t build documentation requiring it')
endif
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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
plugins_cache_generator = find_program(join_paths(gst_dep.get_variable('libexecdir'), 'gstreamer-' + api_version, 'gst-plugins-doc-cache-generator'),
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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()
gst_plugins_doc_dep = custom_target('bad-plugins-doc-cache',
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command: [plugins_cache_generator, plugins_cache, '@OUTPUT@', '@INPUT@'],
input: plugins,
output: 'gst_plugins_cache.json',
build_always_stale: true,
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)
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
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hotdoc_req = '>= 0.11.0'
hotdoc_version = run_command(hotdoc_p, '--version', check: false).stdout()
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if not hotdoc_version.version_compare(hotdoc_req)
if get_option('doc').enabled()
error('Hotdoc version @0@ not found, got @1@'.format(hotdoc_req, hotdoc_version))
else
message('Hotdoc version @0@ not found, got @1@'.format(hotdoc_req, hotdoc_version))
subdir_done()
endif
endif
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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))
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endif
message('@0@ extensions not found, not building documentation requiring it'.format(extension))
endif
endforeach
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/*/*-private.h',
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'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/lv2/gstlv2utils.h',
'ext/closedcaption/hamm.h',
'ext/closedcaption/io-sim.h',
'ext/avtp/gstavtpcrfbase.h',
'sys/nvcodec/nvEncodeAPI.h',
'sys/nvcodec/cuviddec.h',
'sys/nvcodec/nvcuvid.h',
'sys/winks/ksvideohelpers.h',
'gst/videoparsers/gstjpeg2000parse.h',
'gst-libs/gst/*/*-prelude.h',
'gst-libs/gst/vulkan/vulkan_fwd.h'
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]
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': 'play', 'gir': play_gir, 'lib': gstplay_dep},
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{'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},
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{'name': 'basecamerabinsrc', 'gir': basecamerabin_gir, 'lib': gstbasecamerabin_dep},
{'name': 'webrtc', 'gir': webrtc_gir, 'lib': gstwebrtc_dep, 'suffix': 'lib'},
{'name': 'audio', 'gir': audio_gir, 'lib': gstbadaudio_dep, 'prefix': 'bad-'},
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{'name': 'transcoder', 'gir': transcoder_gir, 'lib': gst_transcoder_dep},
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{'name': 'codecs', 'gir': codecs_gir, 'lib': gstcodecs_dep},
{'name': 'cuda', 'gir': gst_cuda_gir, 'lib': gstcuda_dep, 'c_source_patterns': ['*.h', '*.cpp']},
]
if gstopencv_dep.found()
libs += [
{'name': 'opencv', 'lib': gstopencv_dep, 'c_source_patterns': ['*.h', '*.cpp'], 'extra_c_flags': ['-x c++']},
]
endif
if gstva_dep.found()
libs += [{'name': 'va', 'gir': va_gir, 'lib': gstva_dep, 'suffix': 'lib'}]
else
libs += [{'name': 'va', 'gir-file': join_paths(meson.global_source_root(), 'girs', 'GstVa-1.0.gir'), 'lib': []}]
endif
if gstvulkan_dep.found()
libs += [
{'name': 'vulkan', 'gir': vulkan_gir, 'lib': gstvulkan_dep, 'suffix': 'lib'},
]
if enabled_vulkan_winsys.contains('xcb')
libs += [
{'name': 'vulkan-xcb', 'gir': vulkan_xcb_gir, 'lib': gstvulkanxcb_dep, 'extra_sources' : [
join_paths(root_rel, 'gst-libs/gst/vulkan/xcb/gstvkdisplay_xcb.[ch]'),
]},
]
endif
if enabled_vulkan_winsys.contains('wayland')
libs += [
{'name': 'vulkan-wayland', 'gir': vulkan_wayland_gir, 'lib': gstvulkanwayland_dep, 'extra_sources' : [
join_paths(root_rel, 'gst-libs/gst/vulkan/wayland/gstvkdisplay_wayland.[ch]'),
]},
]
endif
endif
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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']
extra_sources = lib_def.get('extra_sources', [])
c_source_patterns = lib_def.get('c_source_patterns', ['*.[hc]'])
c_sources = []
foreach pattern: c_source_patterns
c_sources += join_paths(root_rel, 'gst-libs/gst', name, pattern)
endforeach
c_sources += extra_sources
if lib_def.has_key('gir') or lib_def.has_key('gir-file')
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if has_gi_extension
if lib_def.has_key('gir')
gir_targets = lib_def['gir']
gir = gir_targets[0]
gir_file = gir[0].full_path()
else
gir_targets = []
gir = []
gir_file = lib_def['gir-file']
endif
prefix = lib_def.get('prefix', '')
suffix = lib_def.get('suffix', '')
libs_doc += [hotdoc.generate_doc(prefix + name + suffix,
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project_version: api_version,
gi_c_sources: c_sources,
gi_sources: gir_file,
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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_targets],
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c_flags: '-DGST_USE_UNSTABLE_API',
install: false,
depends: gir,
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)]
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: c_sources,
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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'] + lib_def.get('extra_c_flags', []),
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dependencies: lib,
install: false,
)]
endif
endif
endforeach
cdir = meson.current_source_dir()
if host_machine.system() == 'windows'
pathsep = ';'
else
pathsep = ':'
endif
gst_plugins_doc = run_command(
plugins_cache_generator,
'hotdoc-config',
'--builddir', meson.current_build_dir(),
'--project_version', api_version,
'--sitemap', cdir / 'plugins/sitemap.txt',
'--index', cdir / 'plugins/index.md',
'--c_flags', '\-DGST_USE_UNSTABLE_API',
'--gst_index', 'plugins/index.md',
'--gst_c_sources',
cdir / '../sys/*/*.[cmh]',
cdir / '../sys/*/*.cpp',
cdir / '../sys/*/*.cc',
cdir / '../sys/*/*.mm',
cdir / '../sys/*/*.hh',
cdir / '../ext/*/*.[ch]',
cdir / '../ext/*/*.cpp',
cdir / '../ext/*/*.cc',
cdir / '../ext/*/*.hh',
cdir / '../gst/*/*.[ch]',
cdir / '../gst/rtmp2/*/*.[ch]',
'--gst_cache_file', plugins_cache,
'--gst_c_source_filters', excludes,
'--include_paths', join_paths(meson.current_source_dir(), '..'),
check: true,
).stdout().split(pathsep)