BassBoost : Add minimum and maximum capabilities for params.

Bug: 263416041
Test: atest VtsHalBassBoostTargetTest
Change-Id: I9ab9c6aa10dd860104ed2d45f9cf96e32d55cc1f
diff --git a/audio/aidl/aidl_api/android.hardware.audio.effect/current/android/hardware/audio/effect/BassBoost.aidl b/audio/aidl/aidl_api/android.hardware.audio.effect/current/android/hardware/audio/effect/BassBoost.aidl
index 09ad015..f8baa2a 100644
--- a/audio/aidl/aidl_api/android.hardware.audio.effect/current/android/hardware/audio/effect/BassBoost.aidl
+++ b/audio/aidl/aidl_api/android.hardware.audio.effect/current/android/hardware/audio/effect/BassBoost.aidl
@@ -36,8 +36,6 @@
 union BassBoost {
   android.hardware.audio.effect.VendorExtension vendor;
   int strengthPm;
-  const int MIN_PER_MILLE_STRENGTH = 0;
-  const int MAX_PER_MILLE_STRENGTH = 1000;
   @VintfStability
   union Id {
     int vendorExtensionTag;
@@ -46,6 +44,7 @@
   @VintfStability
   parcelable Capability {
     ParcelableHolder extension;
+    int maxStrengthPm;
     boolean strengthSupported;
   }
 }
diff --git a/audio/aidl/android/hardware/audio/effect/BassBoost.aidl b/audio/aidl/android/hardware/audio/effect/BassBoost.aidl
index 9e5d8aa..6a94242 100644
--- a/audio/aidl/android/hardware/audio/effect/BassBoost.aidl
+++ b/audio/aidl/android/hardware/audio/effect/BassBoost.aidl
@@ -52,6 +52,10 @@
          */
         ParcelableHolder extension;
         /**
+         * Maximum possible per mille strength.
+         */
+        int maxStrengthPm;
+        /**
          * Indicates whether setting strength is supported. False value indicates only one strength
          * is supported and setParameter() method will return EX_ILLEGAL_ARGUMENT.
          */
@@ -59,23 +63,14 @@
     }
 
     /**
-     * Minimal possible per mille strength.
-     */
-    const int MIN_PER_MILLE_STRENGTH = 0;
-
-    /**
-     * Maximum possible per mille strength.
-     */
-    const int MAX_PER_MILLE_STRENGTH = 1000;
-
-    /**
      * The per mille strength of the bass boost effect.
      *
      * If the implementation does not support per mille accuracy for setting the strength, it is
      * allowed to round the given strength to the nearest supported value. In this case {@link
      * #IEffect.getParameter()} method should return the rounded value that was actually set.
      *
-     * The valid range for strength is [0, 1000].
+     * The value of the strength must be non-negative and not exceed the value specified by
+     * the 'maxStrengthPm' capability.
      */
     int strengthPm;
 }
diff --git a/audio/aidl/default/bassboost/BassBoostSw.cpp b/audio/aidl/default/bassboost/BassBoostSw.cpp
index 8e4779d..0c7ebe1 100644
--- a/audio/aidl/default/bassboost/BassBoostSw.cpp
+++ b/audio/aidl/default/bassboost/BassBoostSw.cpp
@@ -62,7 +62,8 @@
 
 const std::string BassBoostSw::kEffectName = "BassBoostSw";
 const bool BassBoostSw::kStrengthSupported = true;
-const BassBoost::Capability BassBoostSw::kCapability = {.strengthSupported = kStrengthSupported};
+const BassBoost::Capability BassBoostSw::kCapability = {.maxStrengthPm = 1000,
+                                                        .strengthSupported = kStrengthSupported};
 const Descriptor BassBoostSw::kDescriptor = {
         .common = {.id = {.type = kBassBoostTypeUUID,
                           .uuid = kBassBoostSwImplUUID,
@@ -171,4 +172,14 @@
     return {STATUS_OK, samples, samples};
 }
 
+RetCode BassBoostSwContext::setBbStrengthPm(int strength) {
+    if (strength < 0 || strength > BassBoostSw::kCapability.maxStrengthPm) {
+        LOG(ERROR) << __func__ << " invalid strength: " << strength;
+        return RetCode::ERROR_ILLEGAL_PARAMETER;
+    }
+    // TODO : Add implementation to apply new strength
+    mStrength = strength;
+    return RetCode::SUCCESS;
+}
+
 }  // namespace aidl::android::hardware::audio::effect
diff --git a/audio/aidl/default/bassboost/BassBoostSw.h b/audio/aidl/default/bassboost/BassBoostSw.h
index 91086e9..65c01c8 100644
--- a/audio/aidl/default/bassboost/BassBoostSw.h
+++ b/audio/aidl/default/bassboost/BassBoostSw.h
@@ -33,16 +33,7 @@
         LOG(DEBUG) << __func__;
     }
 
-    RetCode setBbStrengthPm(int strength) {
-        if (strength < BassBoost::MIN_PER_MILLE_STRENGTH ||
-            strength > BassBoost::MAX_PER_MILLE_STRENGTH) {
-            LOG(ERROR) << __func__ << " invalid strength: " << strength;
-            return RetCode::ERROR_ILLEGAL_PARAMETER;
-        }
-        // TODO : Add implementation to apply new strength
-        mStrength = strength;
-        return RetCode::SUCCESS;
-    }
+    RetCode setBbStrengthPm(int strength);
     int getBbStrengthPm() const { return mStrength; }
 
   private:
diff --git a/audio/aidl/vts/VtsHalBassBoostTargetTest.cpp b/audio/aidl/vts/VtsHalBassBoostTargetTest.cpp
index 724a9c3..d49a865 100644
--- a/audio/aidl/vts/VtsHalBassBoostTargetTest.cpp
+++ b/audio/aidl/vts/VtsHalBassBoostTargetTest.cpp
@@ -46,15 +46,6 @@
  * otherwise expect EX_ILLEGAL_ARGUMENT.
  */
 
-const std::vector<int> kStrengthValues = {
-        std::numeric_limits<int>::min(),
-        BassBoost::MIN_PER_MILLE_STRENGTH - 1,
-        BassBoost::MIN_PER_MILLE_STRENGTH,
-        (BassBoost::MIN_PER_MILLE_STRENGTH + BassBoost::MAX_PER_MILLE_STRENGTH) >> 1,
-        BassBoost::MAX_PER_MILLE_STRENGTH,
-        BassBoost::MAX_PER_MILLE_STRENGTH + 2,
-        std::numeric_limits<int>::max()};
-
 class BassBoostParamTest : public ::testing::TestWithParam<BassBoostParamTestParam>,
                            public EffectHelper {
   public:
@@ -81,7 +72,7 @@
     }
 
     Parameter::Specific getDefaultParamSpecific() {
-        BassBoost bb = BassBoost::make<BassBoost::strengthPm>(BassBoost::MIN_PER_MILLE_STRENGTH);
+        BassBoost bb = BassBoost::make<BassBoost::strengthPm>(0);
         Parameter::Specific specific =
                 Parameter::Specific::make<Parameter::Specific::bassBoost>(bb);
         return specific;
@@ -91,7 +82,7 @@
     std::shared_ptr<IFactory> mFactory;
     std::shared_ptr<IEffect> mEffect;
     Descriptor mDescriptor;
-    int mParamStrength = BassBoost::MIN_PER_MILLE_STRENGTH;
+    int mParamStrength = 0;
 
     void SetAndGetBassBoostParameters() {
         for (auto& it : mTags) {
@@ -146,8 +137,29 @@
     }
 
     bool isStrengthInRange(const BassBoost::Capability& cap, int strength) const {
-        return cap.strengthSupported && strength >= BassBoost::MIN_PER_MILLE_STRENGTH &&
-               strength <= BassBoost::MAX_PER_MILLE_STRENGTH;
+        return cap.strengthSupported && strength >= 0 && strength <= cap.maxStrengthPm;
+    }
+
+    static std::vector<int> getStrengthTestValues(
+            std::vector<std::pair<std::shared_ptr<IFactory>, Descriptor>> kFactoryDescList) {
+        const auto max = std::max_element(
+                kFactoryDescList.begin(), kFactoryDescList.end(),
+                [](const std::pair<std::shared_ptr<IFactory>, Descriptor>& a,
+                   const std::pair<std::shared_ptr<IFactory>, Descriptor>& b) {
+                    return a.second.capability.get<Capability::bassBoost>().maxStrengthPm <
+                           b.second.capability.get<Capability::bassBoost>().maxStrengthPm;
+                });
+        if (max == kFactoryDescList.end()) {
+            return {0};
+        }
+        int maxStrength = max->second.capability.get<Capability::bassBoost>().maxStrengthPm;
+        return {std::numeric_limits<int>::min(),
+                -1,
+                0,
+                maxStrength >> 1,
+                maxStrength,
+                maxStrength + 1,
+                std::numeric_limits<int>::max()};
     }
 
   private:
@@ -162,9 +174,12 @@
 
 INSTANTIATE_TEST_SUITE_P(
         BassBoostTest, BassBoostParamTest,
-        ::testing::Combine(testing::ValuesIn(EffectFactoryHelper::getAllEffectDescriptors(
-                                   IFactory::descriptor, kBassBoostTypeUUID)),
-                           testing::ValuesIn(kStrengthValues)),
+        ::testing::Combine(
+                testing::ValuesIn(EffectFactoryHelper::getAllEffectDescriptors(IFactory::descriptor,
+                                                                               kBassBoostTypeUUID)),
+                testing::ValuesIn(BassBoostParamTest::getStrengthTestValues(
+                        EffectFactoryHelper::getAllEffectDescriptors(IFactory::descriptor,
+                                                                     kBassBoostTypeUUID)))),
         [](const testing::TestParamInfo<BassBoostParamTest::ParamType>& info) {
             auto descriptor = std::get<PARAM_INSTANCE_NAME>(info.param).second;
             std::string strength = std::to_string(std::get<PARAM_STRENGTH>(info.param));