meson.build: fix build error

meson.build

@@ -6,43 +6,10 @@ project('vs-placebo', ['c', 'cpp'],
 
 win32 = host_machine.system() == 'windows' or host_machine.system() == 'cygwin'
 
-if win32
-  add_project_link_arguments('-static', language: ['c', 'cpp'])
-endif
-
-libplacebo_default_options = [
-  'default_library=static',
-  'vulkan=enabled',
-  'opengl=disabled',
-  'd3d11=disabled',
-  'glslang=enabled',
-  'shaderc=enabled',
-  'lcms=enabled',
-  'demos=false',
-]
-if win32
-  libplacebo_default_options += ['shaderc=enabled']
-endif
-
-placebo = subproject('libplacebo', default_options: libplacebo_default_options).get_variable('libplacebo')
-
-cargo = find_program('cargo', required: false)
-cargo_c = find_program('cargo-cinstall', required: false)
-use_dovi = cargo.found() and cargo_c.found()
-
-if use_dovi
-  dovi_src = join_paths(meson.current_source_dir(), 'dovi_tool', 'dolby_vision', 'Cargo.toml')
-  dovi_dst = join_paths(meson.current_build_dir(), 'libdovi.d')
-  run_command('cargo', 'cinstall', '--release', '--manifest-path=@0@'.format(dovi_src), '--prefix=@0@'.format(dovi_dst))
-endif
-
+placebo = dependency('libplacebo', required: true, version: '>=5.229.0', static: win32)
+vapoursynth_dep = dependency('vapoursynth', static: win32).partial_dependency(includes: true, compile_args: true)
 dovi = dependency('dovi', required: false)
 
-if win32 and not dovi.found()
-  cc = meson.get_compiler('c')
-  dovi = cc.find_library('dovi', required : false)
-endif
-
 use_dovi = dovi.found()
 
 config_vsplacebo = configuration_data()
@@ -59,16 +26,10 @@ sources = []
 
 subdir('src')
 
-if win32
-  subdir('vulkan')
-  vulkan = declare_dependency(link_args: 'vulkan/libvulkan-1.a')
-else
-  vulkan = declare_dependency()
-endif
-
 shared_module('vs_placebo', sources,
-  dependencies: [placebo, vulkan, dovi],
+  dependencies: [placebo, vapoursynth_dep, dovi],
   link_with: [p2p],
   name_prefix: 'lib',
+  install_dir : join_paths(vapoursynth_dep.get_variable(pkgconfig: 'libdir'), 'vapoursynth'),
   install: true
 )