meson: add dvbcsa check

meson_options.txt

@@ -439,6 +439,11 @@ option('libdvbpsi',
     value : 'auto',
     description : 'Enable/disable libdvbpsi support')
 
+option('dvbcsa',
+    type : 'feature',
+    value : 'auto',
+    description : 'Enable/disable libdvbcsa support')
+
 option('aribb24',
     type : 'feature',
     value : 'auto',

modules/demux/meson.build

@@ -352,6 +352,16 @@ vlc_modules += {
 # TS demux
 aribb24_dep = dependency('aribb24', version: '>= 1.0.1', required: get_option('aribb24'))
 libdvbpsi_dep = dependency('libdvbpsi', version: '>= 1.2.0', required: get_option('libdvbpsi'))
+
+libdvbpsi_c_args = []
+libdvbcsa_dep = dependency('dvbcsa', required: get_option('dvbcsa'))
+if libdvbcsa_dep.found()
+    if cc.has_function('dvbcsa_decrypt', dependencies: [libdvbcsa_dep]) and \
+       cc.check_header('dvbcsa/dvbcsa.h', dependencies: [libdvbcsa_dep])
+        libdvbpsi_c_args += ['-DHAVE_DVBCSA']
+    endif
+endif
+
 if libdvbpsi_dep.found()
     vlc_modules += {
         'name' : 'ts',
@@ -378,7 +388,8 @@ if libdvbpsi_dep.found()
             '../codec/atsc_a65.c',
             '../codec/opus_header.c',
         ),
-        'dependencies' : [libdvbpsi_dep, aribb24_dep],
+        'dependencies' : [libdvbpsi_dep, aribb24_dep, libdvbcsa_dep],
+        'c_args' : libdvbpsi_c_args,
     }
 endif
 

modules/mux/meson.build

@@ -55,7 +55,7 @@ vlc_modules += {
         'mpeg/tsutil.c',
         'mpeg/ts.c',
     ),
-    'dependencies': [ libdvbpsi_dep ],
+    'dependencies': [ libdvbpsi_dep, libdvbcsa_dep ],
     'enabled': libdvbpsi_dep.found(),
 }