Effect AIDL: Add default extension with vector<uint8_t>

Bug: 258124419
Test: atest --test-mapping hardware/interfaces/audio/aidl/vts:presubmit
Change-Id: I3fa7f78ed2227d00b999c7e594d1b1d205f585e7
diff --git a/audio/aidl/default/extension/ExtensionEffect.h b/audio/aidl/default/extension/ExtensionEffect.h
new file mode 100644
index 0000000..399fa83
--- /dev/null
+++ b/audio/aidl/default/extension/ExtensionEffect.h
@@ -0,0 +1,72 @@
+/*
+ * Copyright (C) 2023 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#pragma once
+
+#include <aidl/android/hardware/audio/effect/BnEffect.h>
+#include <fmq/AidlMessageQueue.h>
+#include <memory>
+#include <vector>
+
+#include "effect-impl/EffectImpl.h"
+#include "effect-impl/EffectUUID.h"
+
+namespace aidl::android::hardware::audio::effect {
+
+class ExtensionEffectContext final : public EffectContext {
+  public:
+    ExtensionEffectContext(int statusDepth, const Parameter::Common& common)
+        : EffectContext(statusDepth, common) {
+        LOG(DEBUG) << __func__;
+    }
+
+    RetCode setParams(const std::vector<uint8_t>& params) {
+        mParams = params;
+        return RetCode::SUCCESS;
+    }
+    std::vector<uint8_t> getParams(int tag __unused) const { return mParams; }
+
+  private:
+    std::vector<uint8_t> mParams;
+};
+
+class ExtensionEffect final : public EffectImpl {
+  public:
+    static const std::string kEffectName;
+    static const Capability kCapability;
+    static const Descriptor kDescriptor;
+    ExtensionEffect() { LOG(DEBUG) << __func__; }
+    ~ExtensionEffect() {
+        cleanUp();
+        LOG(DEBUG) << __func__;
+    }
+
+    ndk::ScopedAStatus getDescriptor(Descriptor* _aidl_return) override;
+    ndk::ScopedAStatus setParameterSpecific(const Parameter::Specific& specific) override;
+    ndk::ScopedAStatus getParameterSpecific(const Parameter::Id& id,
+                                            Parameter::Specific* specific) override;
+
+    std::shared_ptr<EffectContext> createContext(const Parameter::Common& common) override;
+    std::shared_ptr<EffectContext> getContext() override;
+    RetCode releaseContext() override;
+
+    std::string getEffectName() override { return kEffectName; };
+    IEffect::Status effectProcessImpl(float* in, float* out, int samples) override;
+
+  private:
+    std::shared_ptr<ExtensionEffectContext> mContext;
+};
+}  // namespace aidl::android::hardware::audio::effect