meson: reduce dictionary usage

The build was a bit overzealous with using dictionaries. These are fine
for when the feature checking is more complicated, but there's no point
in having them for the simplier things. This also eliminates the usage
of the 'name' key completely.

meson.build

@@ -15,17 +15,13 @@ build_root = meson.project_build_root()
 source_root = meson.project_source_root()
 python = find_program('python3')
 
-avutil = dependency('libavutil', version: '>= 56.12.100')
+# ffmpeg
-
+libavcodec = dependency('libavcodec', version: '>= 58.12.100')
-ffmpeg = {
+libavfilter = dependency('libavfilter', version: '>= 7.14.100')
-    'name': 'ffmpeg',
+libavformat = dependency('libavformat', version: '>= 58.9.100')
-    'deps': [avutil,
+libavutil = dependency('libavutil', version: '>= 56.12.100')
-             dependency('libavcodec', version: '>= 58.12.100'),
+libswresample = dependency('libswresample', version: '>= 3.0.100')
-             dependency('libavformat', version: '>= 58.9.100'),
+libswscale = dependency('libswscale', version: '>= 5.0.101')
-             dependency('libswscale', version: '>= 5.0.101'),
-             dependency('libavfilter', version: '>= 7.14.100'),
-             dependency('libswresample', version: '>= 3.0.100')],
-}
 
 libass = dependency('libass', version: '>= 0.12.2')
 pthreads = dependency('threads')
@@ -33,10 +29,15 @@ pthreads = dependency('threads')
 # the dependency order of libass -> ffmpeg is necessary due to
 # static linking symbol resolution between fontconfig and MinGW
 dependencies = [libass,
-                ffmpeg['deps'],
+                libavcodec,
+                libavfilter,
+                libavformat,
+                libavutil,
+                libswresample,
+                libswscale,
                 pthreads]
 
-features = [ffmpeg['name'], libass.name(), pthreads.name()]
+features = ['ffmpeg', libass.name(), pthreads.name()]
 
 # Builtin options we'd like to add to features.
 if get_option('optimization') != '0'
@@ -604,7 +605,7 @@ endif
 
 
 # misc dependencies
-av_ch_layout_available = avutil.version().version_compare('>= 57.24.100')
+av_ch_layout_available = libavutil.version().version_compare('>= 57.24.100')
 if av_ch_layout_available
     features += 'av-channel-layout'
     sources += files('audio/chmap_avchannel.c')
@@ -697,10 +698,7 @@ if librt.found()
     features += 'librt'
 endif
 
-lua = {
+lua = dependency('', required: false)
-    'name': 'lua',
-    'use': false,
-}
 lua_opt = get_option('lua')
 if lua_opt != 'disabled'
     lua_version = [['lua', ['>=5.1.0', '<5.3.0']], # generic lua.pc
@@ -713,28 +711,26 @@ if lua_opt != 'disabled'
                    ['lua-5.1', '>= 5.1.0']]
     foreach version : lua_version
         if lua_opt == 'auto' or lua_opt == 'enabled'
-            lua += {'deps': dependency(version[0], version: version[1], required: false)}
+            lua = dependency(version[0], version: version[1], required: false)
-            if lua['deps'].found()
+            if lua.found()
-                lua += {'use': true}
                 break
             endif
         elif lua_opt == version[0]
-            lua += {'deps': dependency(version[0], version: version[1])}
+            lua = dependency(version[0], version: version[1])
-            if lua['deps'].found()
+            if lua.found()
-                lua += {'use': true}
                 break
             endif
         endif
     endforeach
 endif
 
-if lua['use']
+if lua.found()
-    dependencies += lua['deps']
+    dependencies += lua
-    features += lua['deps'].name()
+    features += lua.name()
     sources += files('player/lua.c')
     subdir(join_paths('generated', 'player', 'lua'))
 endif
-if not lua['use'] and lua_opt == 'enabled'
+if not lua.found() and lua_opt == 'enabled'
      error('lua enabled but no suitable lua version could be found!')
 endif
 
@@ -813,7 +809,6 @@ if alsa.found()
 endif
 
 audiounit = {
-    'name': 'audiounit',
     'deps': dependency('appleframeworks', modules: ['Foundation', 'AudioToolbox'],
                        required: get_option('audiounit')),
     'symbol': cc.has_header_symbol('AudioToolbox/AudioToolbox.h', 'kAudioUnitSubType_RemoteIO',
@@ -940,14 +935,13 @@ if direct3d
 endif
 
 drm = {
-    'name': 'drm',
     'deps': dependency('libdrm', version: '>= 2.4.75', required: get_option('drm')),
     'header': vt_h or consio_h,
 }
 drm += {'use': drm['deps'].found() and drm['header']}
 if drm['use']
     dependencies += drm['deps']
-    features += drm['name']
+    features += 'drm'
     sources += files('video/drmprime.c',
                      'video/out/drm_atomic.c',
                      'video/out/drm_common.c',
@@ -958,12 +952,9 @@ if drm['use']
 endif
 
 # This can be removed roughly when Debian 12 is released.
-drm_is_kms = {
+drm_is_kms = drm['use'] and drm['deps'].version().version_compare('>= 2.4.105')
-    'name': 'drm-is-kms',
+if drm_is_kms
-    'use': drm['use'] and drm['deps'].version().version_compare('>= 2.4.105')
+    features += 'drm_is_kms'
-}
-if drm_is_kms['use']
-    features += drm_is_kms['name']
 endif
 
 gbm = dependency('gbm', version: '>=17.1.0', required: get_option('gbm'))
@@ -1037,7 +1028,6 @@ if d3d11.allowed()
 endif
 
 wayland = {
-    'name': 'wayland',
     'deps': [dependency('wayland-client', version: '>= 1.15.0', required: get_option('wayland')),
              dependency('wayland-cursor', version: '>= 1.15.0', required: get_option('wayland')),
              dependency('wayland-protocols', version: '>= 1.15', required: get_option('wayland')),
@@ -1058,7 +1048,7 @@ if not wayland['header'] or not wayland['scanner'].found()
 endif
 
 if wayland['use']
-    features += wayland['name']
+    features += 'wayland'
     subdir(join_paths('generated', 'wayland'))
 endif
 
@@ -1077,7 +1067,6 @@ x11_opt = get_option('x11').require(
     error_message: 'the build is not GPL!',
 )
 x11 = {
-    'name': 'x11',
     'deps': [dependency('x11', version: '>= 1.0.0', required: x11_opt),
              dependency('xscrnsaver', version: '>= 1.0.0', required: x11_opt),
              dependency('xext', version: '>= 1.0.0', required: x11_opt),
@@ -1095,7 +1084,7 @@ endforeach
 
 if x11['use']
     dependencies += x11['deps']
-    features += x11['name']
+    features += 'x11'
     sources += files('video/out/vo_x11.c',
                      'video/out/x11_common.c')
 endif
@@ -1118,7 +1107,6 @@ endif
 
 # OpenGL feature checking
 gl = {
-    'name': 'gl',
     'opt': get_option('gl').allowed(),
     'use': false,
 }
@@ -1212,14 +1200,13 @@ if d3d11.allowed() or egl_angle_win32.allowed()
 endif
 
 egl = {
-    'name': 'egl',
     'deps': dependency('egl', version: '> 1.4.0', required: get_option('egl')),
     'use': false,
 }
 egl += {'use': egl['deps'].found() and gl['opt']}
 if egl['use']
     dependencies += egl['deps']
-    features += egl['name']
+    features += 'egl'
 endif
 
 egl_android_opt = get_option('egl-android').require(
@@ -1245,14 +1232,13 @@ if egl_drm.allowed()
 endif
 
 egl_wayland = {
-    'name': 'egl-wayland',
     'deps':  dependency('wayland-egl', version: '>= 9.0.0', required: get_option('egl-wayland')),
     'use': false,
 }
 egl_wayland += {'use': egl['use'] and egl_wayland['deps'].found() and gl['opt'] and wayland['use']}
 if egl_wayland['use']
     dependencies += egl_wayland['deps']
-    features += egl_wayland['name']
+    features += 'gl-wayland'
     gl += {'use': true}
     sources += files('video/out/opengl/context_wayland.c')
 endif
@@ -1277,14 +1263,13 @@ if plain_gl.allowed()
 endif
 
 rpi = {
-    'name': 'rpi',
     'deps': dependency('/opt/vc/lib/pkgconfig/brcmegl.pc', 'brcmegl', required: get_option('rpi')),
     'use': false,
 }
 rpi += {'use': gl['opt'] and rpi['deps'].found()}
 if rpi['use']
     dependencies += rpi['deps']
-    features += rpi['name']
+    features += 'rpi'
     gl += {'use': true}
     sources += files('video/out/opengl/context_rpi.c')
 endif
@@ -1428,35 +1413,31 @@ if rpi_mmal.found()
 endif
 
 vaapi = {
-    'name': 'vaapi',
     'deps': dependency('libva', version: '>= 1.1.0', required: get_option('vaapi')),
 }
 vaapi += {'use': vaapi['deps'].found() and libdl and
           (x11['use'] or wayland['use'] or egl_drm.allowed())}
 if vaapi['use']
     dependencies += vaapi['deps']
-    features += vaapi['name']
+    features += 'vaapi'
     sources += files('video/filter/vf_vavpp.c',
                      'video/vaapi.c')
 endif
 
 vaapi_drm = {
-    'name': 'vaapi-drm',
     'deps': dependency('libva-drm', version: '>= 1.1.0', required: get_option('vaapi-drm')),
 }
 vaapi_drm += {'use': vaapi['use'] and egl_drm.allowed() and vaapi_drm['deps'].found()}
 if vaapi_drm['use']
-    features += vaapi_drm['name']
+    features += 'vaapi-drm'
 endif
 
 vaapi_wayland = {
-    'name': 'vaapi-wayland',
     'deps': dependency('libva-wayland', version: '>= 1.1.0', required: get_option('vaapi-wayland')),
 }
 vaapi_wayland += {'use': vaapi['use'] and egl_wayland['use'] and vaapi_wayland['deps'].found()}
-
 if vaapi_wayland['use']
-    features += vaapi_wayland['name']
+    features += 'vaapi-wayland'
 endif
 
 if vaapi_wayland['use'] and memfd_create
@@ -1465,62 +1446,44 @@ if vaapi_wayland['use'] and memfd_create
 endif
 
 vaapi_x11 = {
-    'name': 'vaapi-x11',
     'deps': dependency('libva-x11', version: '>= 1.1.0', required: get_option('vaapi-x11')),
 }
 vaapi_x11 += {'use': vaapi['use'] and x11['use'] and vaapi_x11['deps'].found()}
 if vaapi_x11['use']
     dependencies += vaapi_x11['deps']
-    features += vaapi_x11['name']
+    features += 'vaapi-x11'
     sources += files('video/out/vo_vaapi.c')
 endif
 
-vaapi_x_egl = {
+vaapi_x_egl = vaapi_x11['use'] and egl_x11.allowed()
-    'name': 'vaapi-x-egl',
+if vaapi_x_egl
-    'use': vaapi_x11['use'] and egl_x11.allowed(),
+    features += 'vaapi-x-egl'
-}
-if vaapi_x_egl['use']
-    features += vaapi_x_egl['name']
 endif
 
-vaapi_egl = {
+vaapi_egl = vaapi_x_egl or vaapi_wayland['use'] or vaapi_drm['use']
-    'name': 'vaapi-egl',
+if vaapi_egl
-    'use': vaapi_x_egl['use'] or vaapi_wayland['use'] or vaapi_drm['use'],
-}
-if vaapi_egl['use']
     dependencies += [vaapi_wayland['deps'], vaapi_drm['deps']]
-    features += vaapi_egl['name']
+    features += 'vaapi-egl'
 endif
 
-vaapi_libplacebo = {
+vaapi_libplacebo = vaapi['use'] and libplacebo.found()
-    'name': 'vaapi-libplacebo',
+if vaapi_libplacebo
-    'use': vaapi['use'] and libplacebo.found(),
+    features += 'vaapi-libplacebo'
-}
-if vaapi_libplacebo['use']
-    features += vaapi_libplacebo['name']
 endif
 
-if vaapi_egl['use'] or vaapi_libplacebo['use']
+if vaapi_egl or vaapi_libplacebo
     sources += files('video/out/hwdec/hwdec_vaapi.c')
 endif
 
-dmabuf_interop_gl = {
+dmabuf_interop_gl = egl['use'] and drm['use']
-    'name': 'dmabuf-interop-gl',
+if dmabuf_interop_gl
-    'use': egl['use'] and drm['use']
+    features += 'dmabuf-interop-gl'
-}
-
-if dmabuf_interop_gl['use']
-    features += dmabuf_interop_gl['name']
     sources += files('video/out/hwdec/dmabuf_interop_gl.c')
 endif
 
-dmabuf_interop_pl = {
+dmabuf_interop_pl = vaapi_libplacebo
-    'name': 'dmabuf-interop-pl',
+if dmabuf_interop_pl
-    'use': vaapi_libplacebo['use']
+    features += 'dmabuf-interop-pl'
-}
-
-if dmabuf_interop_pl['use']
-    features += dmabuf_interop_pl['name']
     sources += files('video/out/hwdec/dmabuf_interop_pl.c')
 endif
 
@@ -1755,11 +1718,11 @@ conf_data.set10('HAVE_D3D_HWACCEL', d3d_hwaccel.allowed())
 conf_data.set10('HAVE_D3D9_HWACCEL', d3d9_hwaccel.allowed())
 conf_data.set10('HAVE_D3D11', d3d11.allowed())
 conf_data.set10('HAVE_DIRECT3D', direct3d)
-conf_data.set10('HAVE_DMABUF_INTEROP_GL', dmabuf_interop_gl['use'])
+conf_data.set10('HAVE_DMABUF_INTEROP_GL', dmabuf_interop_gl)
-conf_data.set10('HAVE_DMABUF_INTEROP_PL', dmabuf_interop_pl['use'])
+conf_data.set10('HAVE_DMABUF_INTEROP_PL', dmabuf_interop_pl)
 conf_data.set10('HAVE_DOS_PATHS', win32)
 conf_data.set10('HAVE_DRM', drm['use'])
-conf_data.set10('HAVE_DRM_IS_KMS', drm_is_kms['use'])
+conf_data.set10('HAVE_DRM_IS_KMS', drm_is_kms)
 conf_data.set10('HAVE_DVBIN', dvbin.allowed())
 conf_data.set10('HAVE_DVDNAV', dvdnav.found() and dvdread.found())
 conf_data.set10('HAVE_EGL', egl['use'])
@@ -1786,7 +1749,7 @@ conf_data.set10('HAVE_IOS_GL', ios_gl)
 conf_data.set10('HAVE_JACK', jack.found())
 conf_data.set10('HAVE_JAVASCRIPT', javascript.found())
 conf_data.set10('HAVE_JPEG', jpeg.found())
-conf_data.set10('HAVE_JPEGXL', ffmpeg['deps'][1].version().version_compare('>= 59.27.100'))
+conf_data.set10('HAVE_JPEGXL', libavformat.version().version_compare('>= 59.27.100'))
 conf_data.set10('HAVE_LCMS2', lcms2.found())
 conf_data.set10('HAVE_LIBARCHIVE', libarchive.found())
 conf_data.set10('HAVE_LIBAVDEVICE', libavdevice.found())
@@ -1794,7 +1757,7 @@ conf_data.set10('HAVE_LIBDL', libdl)
 conf_data.set10('HAVE_LIBBLURAY', libbluray.found())
 conf_data.set10('HAVE_LIBPLACEBO_NEXT', libplacebo_next)
 conf_data.set10('HAVE_LINUX_FSTATFS', linux_fstatfs)
-conf_data.set10('HAVE_LUA', lua['use'])
+conf_data.set10('HAVE_LUA', lua.found())
 conf_data.set10('HAVE_MACOS_10_11_FEATURES', macos_10_11_features.allowed())
 conf_data.set10('HAVE_MACOS_10_14_FEATURES', macos_10_14_features.allowed())
 conf_data.set10('HAVE_MACOS_COCOA_CB', macos_cocoa_cb.allowed())
@@ -1826,8 +1789,8 @@ conf_data.set10('HAVE_UCHARDET', uchardet.found())
 conf_data.set10('HAVE_UWP', uwp.found())
 conf_data.set10('HAVE_VAAPI', vaapi['use'])
 conf_data.set10('HAVE_VAAPI_DRM', vaapi_drm['use'])
-conf_data.set10('HAVE_VAAPI_EGL', vaapi_egl['use'])
+conf_data.set10('HAVE_VAAPI_EGL', vaapi_egl)
-conf_data.set10('HAVE_VAAPI_LIBPLACEBO', vaapi_libplacebo['use'])
+conf_data.set10('HAVE_VAAPI_LIBPLACEBO', vaapi_libplacebo)
 conf_data.set10('HAVE_VAAPI_WAYLAND', vaapi_wayland['use'])
 conf_data.set10('HAVE_VAAPI_X11', vaapi_x11['use'])
 conf_data.set10('HAVE_VAPOURSYNTH', vapoursynth.found() and vapoursynth_script.found())
@@ -1923,7 +1886,7 @@ summary({'d3d11': d3d11.allowed(),
          'gpu-next': libplacebo_next,
          'javascript': javascript.found(),
          'libmpv': get_option('libmpv'),
-         'lua': lua['use'],
+         'lua': lua.found(),
          'opengl': GL.found() or egl['use'],
          'vulkan': vulkan.found(),
          'wayland': wayland['use'],