s2: Disallow BF/AST when voice_isolation_ui_preferred_effect is NC

FIXED=b:383772089
TEST=tast run dut1 audio.CrasNoiseCancellation.\*

Change-Id: I652482d422c3ec212f2f0f96e557b22c524cf997
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/third_party/adhd/+/6109885
Tested-by: chromeos-cop-builder@chromeos-cop.iam.gserviceaccount.com <chromeos-cop-builder@chromeos-cop.iam.gserviceaccount.com>
Commit-Queue: Hung-Hsien Chen <hunghsienchen@chromium.org>
Reviewed-by: Hung-Hsien Chen <hunghsienchen@chromium.org>

Author: afq984

cras/common/src/types_internal.rs

@@ -134,6 +134,23 @@ impl EFFECT_TYPE {
             _ => c"Invalid NC provider",
         }
     }
+
+    /// Return the set of NC providers for this effect type.
+    pub fn nc_providers(&self) -> CRAS_NC_PROVIDER {
+        match self {
+            &EFFECT_TYPE::NOISE_CANCELLATION => CRAS_NC_PROVIDER::AP | CRAS_NC_PROVIDER::DSP,
+            &EFFECT_TYPE::STYLE_TRANSFER => {
+                CRAS_NC_PROVIDER::AP | CRAS_NC_PROVIDER::DSP | CRAS_NC_PROVIDER::AST
+            }
+            &EFFECT_TYPE::BEAMFORMING => {
+                CRAS_NC_PROVIDER::AP
+                    | CRAS_NC_PROVIDER::DSP
+                    | CRAS_NC_PROVIDER::AST
+                    | CRAS_NC_PROVIDER::BF
+            }
+            _ => CRAS_NC_PROVIDER::all(),
+        }
+    }
 }
 
 /// Returns the name of the effect type as a string.

cras/server/s2/src/lib.rs

@@ -190,7 +190,7 @@ fn resolve(input: &Input) -> Output {
         },
     };
 
-    let mut system_valid_nc_providers = audio_effects_status
+    let system_valid_nc_providers = audio_effects_status
         .iter()
         .filter_map(|(provider, status)| {
             if status.supported_and_allowed() {
@@ -199,10 +199,8 @@ fn resolve(input: &Input) -> Output {
                 None
             }
         })
-        .fold(CRAS_NC_PROVIDER::empty(), CRAS_NC_PROVIDER::union);
-    if input.voice_isolation_ui_preferred_effect == EFFECT_TYPE::STYLE_TRANSFER {
-        system_valid_nc_providers.remove(CRAS_NC_PROVIDER::BF);
-    }
+        .fold(CRAS_NC_PROVIDER::empty(), CRAS_NC_PROVIDER::union)
+        & input.voice_isolation_ui_preferred_effect.nc_providers();
 
     Output {
         audio_effects_ready: input
@@ -942,6 +940,11 @@ mod tests {
                 | CRAS_NC_PROVIDER::AST
                 | CRAS_NC_PROVIDER::BF
         );
+        s.set_voice_isolation_ui_preferred_effect(EFFECT_TYPE::NOISE_CANCELLATION);
+        assert_eq!(
+            s.output.system_valid_nc_providers,
+            CRAS_NC_PROVIDER::AP | CRAS_NC_PROVIDER::DSP
+        );
     }
 
     #[test]