meson: add nvdec modules

meson_options.txt

@@ -725,9 +725,13 @@ option('sid',
     value: 'auto',
     description: 'C64 sid demux support')
 
+option('nvdec',
+    type: 'feature',
+    value: 'auto',
+    description: 'NVDEC decoder support')
+
 # TODO: Missing live555
 # TODO: Missing v4l2
-# TODO: Missing nvdec
 # TODO: Missing decklink
 # TODO: Missing rpi-omxil
 # TODO: Missing gst-decode

modules/hw/meson.build

@@ -1,5 +1,8 @@
 # Hardware/GPU modules
 
+# nvdec hw module
+subdir('nvdec')
+
 if host_system == 'windows'
     # d3d11 interface module
     subdir('d3d11')

modules/hw/nvdec/meson.build

@@ -0,0 +1,30 @@
+if get_option('nvdec').allowed()
+nvdec_dep = disabler()
+if cc.check_header('ffnvcodec/dynlink_loader.h')
+    nvdec_dep = enabler()
+elif cc.check_header('ffnvcodec/dynlink_loader.h', include_directories: include_directories( contrib_incdir ) )
+    nvdec_dep = declare_dependency(
+        include_directories: [include_directories( contrib_incdir )])
+endif
+endif
+vlc_modules += {
+    'name' : 'nvdec',
+    'sources' : files('nvdec.c', 'hw_pool.c'),
+    'link_with' : [hxxxhelper_lib],
+    'dependencies' : [nvdec_dep, dl_lib],
+    'enabled' : nvdec_dep.found(),
+}
+
+vlc_modules += {
+    'name' : 'nvdec_chroma',
+    'sources' : files('chroma.c'),
+    'dependencies' : [nvdec_dep],
+    'enabled' : nvdec_dep.found(),
+}
+
+vlc_modules += {
+    'name' : 'glinterop_nvdec',
+    'sources' : files('nvdec_gl.c'),
+    'dependencies' : [ nvdec_dep, gl_common_dep, dl_lib ],
+    'enabled' : nvdec_dep.found() and gl_common_dep.found(),
+}