Re-implement HIDL effect processing using FMQ and IMemory

Result: no hwbinder calls due music processing.

Test: make, use Play Music with effects, check traces
Bug: 30222631
Change-Id: I06d0e94e603688874b31824427f3b0878b5f7c8e
diff --git a/include/media/audiohal/EffectHalInterface.h b/include/media/audiohal/EffectHalInterface.h
index 7bbd3b5..7f9a6fd 100644
--- a/include/media/audiohal/EffectHalInterface.h
+++ b/include/media/audiohal/EffectHalInterface.h
@@ -17,6 +17,7 @@
 #ifndef ANDROID_HARDWARE_EFFECT_HAL_INTERFACE_H
 #define ANDROID_HARDWARE_EFFECT_HAL_INTERFACE_H
 
+#include <media/audiohal/EffectBufferHalInterface.h>
 #include <system/audio_effect.h>
 #include <utils/Errors.h>
 #include <utils/RefBase.h>
@@ -26,14 +27,20 @@
 class EffectHalInterface : public RefBase
 {
   public:
+    // Set the input buffer.
+    virtual status_t setInBuffer(const sp<EffectBufferHalInterface>& buffer) = 0;
+
+    // Set the output buffer.
+    virtual status_t setOutBuffer(const sp<EffectBufferHalInterface>& buffer) = 0;
+
     // Effect process function. Takes input samples as specified
     // in input buffer descriptor and output processed samples as specified
     // in output buffer descriptor.
-    virtual status_t process(audio_buffer_t *inBuffer, audio_buffer_t *outBuffer) = 0;
+    virtual status_t process() = 0;
 
     // Process reverse stream function. This function is used to pass
     // a reference stream to the effect engine.
-    virtual status_t processReverse(audio_buffer_t *inBuffer, audio_buffer_t *outBuffer) = 0;
+    virtual status_t processReverse() = 0;
 
     // Send a command and receive a response to/from effect engine.
     virtual status_t command(uint32_t cmdCode, uint32_t cmdSize, void *pCmdData,
@@ -42,6 +49,9 @@
     // Returns the effect descriptor.
     virtual status_t getDescriptor(effect_descriptor_t *pDescriptor) = 0;
 
+    // Free resources on the remote side.
+    virtual status_t close() = 0;
+
   protected:
     // Subclasses can not be constructed directly by clients.
     EffectHalInterface() {}