meson: build decklink plugin

meson.build

@@ -44,6 +44,10 @@ if cc.get_id() == 'msvc'
   # are built with MinGW
   noseh_link_args = ['/SAFESEH:NO']
 else
+  if cxx.has_argument('-Wno-non-virtual-dtor')
+    add_project_arguments('-Wno-non-virtual-dtor', language: 'cpp')
+  endif
+
   noseh_link_args = []
 endif
 

sys/decklink/meson.build

@@ -0,0 +1,38 @@
+decklink_sources = [
+  'gstdecklink.cpp',
+  'gstdecklinkaudiosink.cpp',
+  'gstdecklinkvideosink.cpp',
+  'gstdecklinkaudiosrc.cpp',
+  'gstdecklinkvideosrc.cpp',
+]
+
+build_decklink = false
+decklink_ldflags = []
+
+libdl = cc.find_library('dl', required: false)
+have_pthread_h = cdata.has('HAVE_PTHREAD_H')
+
+if libdl.found() and have_pthread_h
+  if host_machine.system() == 'linux'
+    decklink_sources += ['linux/DeckLinkAPIDispatch.cpp']
+    build_decklink = true
+  elif host_machine.system() == 'darwin'
+    decklink_sources += ['osx/DeckLinkAPIDispatch.cpp']
+    decklink_ldflags = '-Wl,-framework,CoreFoundation'
+    build_decklink = true
+  else
+    message('Not building decklink plugin for system ' + host_machine.system())
+  endif
+endif
+
+if build_decklink
+  decklink = library('decklink',
+    decklink_sources,
+    cpp_args : gst_plugins_bad_args + [ '-DGST_USE_UNSTABLE_API' ],
+    link_args : decklink_ldflags + noseh_link_args,
+    include_directories : [configinc],
+    dependencies : [gstvideo_dep, gstaudio_dep, gstbase_dep, gst_dep, libm, libdl, dependency('threads')],
+    install : true,
+    install_dir : plugins_install_dir,
+  )
+endif

sys/meson.build

@@ -5,7 +5,7 @@
 #subdir('applemedia')
 subdir('bluez')
 subdir('d3dvideosink')
-#subdir('decklink')
+subdir('decklink')
 subdir('directsound')
 #subdir('dshowdecwrapper')
 #subdir('dshowsrcwrapper')