Add getRange util from effect capability definition

Bug: 273373363
Test: atest EffectsFactoryHalInterfaceTest
Change-Id: I69ea86869086ab33a92e387291117b400ad1db8d

1 files changed, 28 insertions, 8 deletions

diff --git a/audio/include/system/audio_effects/aidl_effects_utils.h b/audio/include/system/audio_effects/aidl_effects_utils.h
index e6583a18..bf8bec70 100644
--- a/audio/include/system/audio_effects/aidl_effects_utils.h
+++ b/audio/include/system/audio_effects/aidl_effects_utils.h
@@ -49,7 +49,7 @@ static constexpr uint32_t kEventFlagDataMqUpdate = 0x1 << 1;
  * so this method return true.
  */
 template <typename T, typename R>
-bool inRange(const T& target, const R& ranges) {
+static inline bool inRange(const T& target, const R& ranges) {
   for (const auto& r : ranges) {
     if (target.getTag() == r.min.getTag() &&
         target.getTag() == r.max.getTag() &&
@@ -61,16 +61,36 @@ bool inRange(const T& target, const R& ranges) {
 }
 
 template <typename Range::Tag rangeTag, typename T>
-bool inRange(const T& target, const Capability& cap) {
+static inline bool inRange(const T& target, const Capability& cap) {
   if (cap.range.getTag() == rangeTag) {
-      const auto& ranges = cap.range.template get<rangeTag>();
-      return inRange(target, ranges);
+    const auto& ranges = cap.range.template get<rangeTag>();
+    return inRange(target, ranges);
   }
   return true;
 }
 
+/**
+ * Return the range pair (as defined in aidl::android::hardware::audio::effect::Range) of a
+ * parameter.
+ */
+template <typename Range::Tag RangeTag, typename R, typename T>
+static inline std::optional<R> getRange(const Capability& cap, T tag) {
+  if (cap.range.getTag() != RangeTag) {
+    return std::nullopt;
+  }
+
+  const auto& ranges = cap.range.template get<RangeTag>();
+  for (const auto& r : ranges) {
+    if (r.min.getTag() == tag && r.max.getTag() == tag) {
+      return r;
+    }
+  }
+
+  return std::nullopt;
+}
+
 template <typename T, typename R>
-bool isRangeValid(const T& tag, const R& ranges) {
+static inline bool isRangeValid(const T& tag, const R& ranges) {
   for (const auto& r : ranges) {
     if (tag == r.min.getTag() && tag == r.max.getTag()) {
       return r.min <= r.max;
@@ -81,10 +101,10 @@ bool isRangeValid(const T& tag, const R& ranges) {
 }
 
 template <typename Range::Tag rangeTag, typename T>
-bool isRangeValid(const T& paramTag, const Capability& cap) {
+static inline bool isRangeValid(const T& paramTag, const Capability& cap) {
   if (cap.range.getTag() == rangeTag) {
-      const auto& ranges = cap.range.template get<rangeTag>();
-      return isRangeValid(paramTag, ranges);
+    const auto& ranges = cap.range.template get<rangeTag>();
+    return isRangeValid(paramTag, ranges);
   }
   return true;
 }