native ps4 audio sink

src/common/settings_enums.h

@@ -92,7 +92,7 @@ struct EnumMetadata {
 // AudioEngine must be specified discretely due to having existing but slightly different
 // canonicalizations
 // TODO (lat9nq): Remove explicit definition of AudioEngine/sink_id
-enum class AudioEngine : u32 { Auto, Cubeb, Sdl3, Null, Oboe, };
+enum class AudioEngine : u32 { Auto, Cubeb, Sdl3, Null, Oboe, Ps4, };
 template<>
 inline std::vector<std::pair<std::string_view, AudioEngine>> EnumMetadata<AudioEngine>::Canonicalizations() {
     return {
@@ -100,6 +100,7 @@ inline std::vector<std::pair<std::string_view, AudioEngine>> EnumMetadata<AudioE
         {"cubeb", AudioEngine::Cubeb},
         {"sdl3", AudioEngine::Sdl3},
         {"null", AudioEngine::Null}, {"oboe", AudioEngine::Oboe},
+        {"ps4", AudioEngine::Ps4},
     };
 }
 /// @brief This is just a sufficiently large number that is more than the number of other enums declared here