Add libAudioHal AIDL interface placeholder
Add cpp backend only and ndk backend only conversion.
Add placeholder for DeviceHalInterface and EffectHalInterface.
Add several EffectHalInterface test cases to help testing.
Bug: 261129656
Test: Flash to Cuttlefish and run cts
Test: Flash to Panther and run audio use cases.
Merged-In: Ieaf5d7d72bd7d3e1897964b7abe211456766f443
Change-Id: Ieaf5d7d72bd7d3e1897964b7abe211456766f443
diff --git a/media/libaudiohal/impl/EffectHalAidl.h b/media/libaudiohal/impl/EffectHalAidl.h
new file mode 100644
index 0000000..76bb240
--- /dev/null
+++ b/media/libaudiohal/impl/EffectHalAidl.h
@@ -0,0 +1,86 @@
+/*
+ * Copyright (C) 2022 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/IEffect.h>
+#include <media/audiohal/EffectHalInterface.h>
+#include <system/audio_effect.h>
+
+namespace android {
+namespace effect {
+
+class EffectHalAidl : public EffectHalInterface {
+ public:
+ // Set the input buffer.
+ status_t setInBuffer(const sp<EffectBufferHalInterface>& buffer) override;
+
+ // Set the output buffer.
+ status_t setOutBuffer(const sp<EffectBufferHalInterface>& buffer) override;
+
+ // Effect process function.
+ status_t process() override;
+
+ // Process reverse stream function. This function is used to pass
+ // a reference stream to the effect engine.
+ status_t processReverse() override;
+
+ // Send a command and receive a response to/from effect engine.
+ status_t command(uint32_t cmdCode, uint32_t cmdSize, void* pCmdData, uint32_t* replySize,
+ void* pReplyData) override;
+
+ // Returns the effect descriptor.
+ status_t getDescriptor(effect_descriptor_t *pDescriptor) override;
+
+ // Free resources on the remote side.
+ status_t close() override;
+
+ // Whether it's a local implementation.
+ bool isLocal() const override { return false; }
+
+ status_t dump(int fd) override;
+
+ uint64_t effectId() const override { return mEffectId; }
+
+ private:
+ friend class EffectsFactoryHalAidl;
+
+ const uint64_t mEffectId;
+ const int32_t mSessionId;
+ const int32_t mIoId;
+ sp<EffectBufferHalInterface> mInBuffer, mOutBuffer;
+ effect_config_t mConfig;
+ std::shared_ptr<::aidl::android::hardware::audio::effect::IEffect> mEffect;
+
+ // Can not be constructed directly by clients.
+ EffectHalAidl(const std::shared_ptr<::aidl::android::hardware::audio::effect::IEffect>& effect,
+ uint64_t effectId, int32_t sessionId, int32_t ioId);
+
+ status_t handleSetConfig(uint32_t cmdCode, uint32_t cmdSize, void* pCmdData,
+ uint32_t* replySize, void* pReplyData);
+ status_t handleGetConfig(uint32_t cmdCode, uint32_t cmdSize, void* pCmdData,
+ uint32_t* replySize, void* pReplyData);
+ status_t handleSetParameter(uint32_t cmdCode, uint32_t cmdSize, void* pCmdData,
+ uint32_t* replySize, void* pReplyData);
+ status_t handleGetParameter(uint32_t cmdCode, uint32_t cmdSize, void* pCmdData,
+ uint32_t* replySize, void* pReplyData);
+
+ // The destructor automatically releases the effect.
+ virtual ~EffectHalAidl();
+};
+
+} // namespace effect
+} // namespace android