Merge "Avoid empty mime type in media metrics records" into oc-mr1-dev
diff --git a/media/libaaudio/src/legacy/AudioStreamLegacy.cpp b/media/libaaudio/src/legacy/AudioStreamLegacy.cpp
index a59fc6f..ee2504d 100644
--- a/media/libaaudio/src/legacy/AudioStreamLegacy.cpp
+++ b/media/libaaudio/src/legacy/AudioStreamLegacy.cpp
@@ -31,7 +31,8 @@
 using namespace aaudio;
 
 AudioStreamLegacy::AudioStreamLegacy()
-        : AudioStream(), mDeviceCallback(new StreamDeviceCallback(this)) {
+        : AudioStream()
+        , mDeviceCallback(new StreamDeviceCallback(this)) {
 }
 
 AudioStreamLegacy::~AudioStreamLegacy() {
@@ -78,18 +79,20 @@
 void AudioStreamLegacy::processCallbackCommon(aaudio_callback_operation_t opcode, void *info) {
     aaudio_data_callback_result_t callbackResult;
 
-    if (!mCallbackEnabled.load()) {
-        return;
-    }
-
     switch (opcode) {
         case AAUDIO_CALLBACK_OPERATION_PROCESS_DATA: {
-            if (getState() != AAUDIO_STREAM_STATE_DISCONNECTED) {
-                // Note that this code assumes an AudioTrack::Buffer is the same as
-                // AudioRecord::Buffer
-                // TODO define our own AudioBuffer and pass it from the subclasses.
-                AudioTrack::Buffer *audioBuffer = static_cast<AudioTrack::Buffer *>(info);
-                if (audioBuffer->frameCount == 0) return;
+            checkForDisconnectRequest();
+
+            // Note that this code assumes an AudioTrack::Buffer is the same as
+            // AudioRecord::Buffer
+            // TODO define our own AudioBuffer and pass it from the subclasses.
+            AudioTrack::Buffer *audioBuffer = static_cast<AudioTrack::Buffer *>(info);
+            if (getState() == AAUDIO_STREAM_STATE_DISCONNECTED || !mCallbackEnabled.load()) {
+                audioBuffer->size = 0; // silence the buffer
+            } else {
+                if (audioBuffer->frameCount == 0) {
+                    return;
+                }
 
                 // If the caller specified an exact size then use a block size adapter.
                 if (mBlockAdapter != nullptr) {
@@ -107,26 +110,19 @@
                     audioBuffer->size = 0;
                 }
 
-                if (updateStateMachine() == AAUDIO_OK) {
-                    break; // don't fall through
+                if (updateStateMachine() != AAUDIO_OK) {
+                    forceDisconnect();
+                    mCallbackEnabled.store(false);
                 }
             }
         }
-        /// FALL THROUGH
+            break;
 
         // Stream got rerouted so we disconnect.
-        case AAUDIO_CALLBACK_OPERATION_DISCONNECTED: {
-            setState(AAUDIO_STREAM_STATE_DISCONNECTED);
+        case AAUDIO_CALLBACK_OPERATION_DISCONNECTED:
             ALOGD("processCallbackCommon() stream disconnected");
-            if (getErrorCallbackProc() != nullptr) {
-                (*getErrorCallbackProc())(
-                        (AAudioStream *) this,
-                        getErrorCallbackUserData(),
-                        AAUDIO_ERROR_DISCONNECTED
-                        );
-            }
+            forceDisconnect();
             mCallbackEnabled.store(false);
-        }
             break;
 
         default:
@@ -134,6 +130,30 @@
     }
 }
 
+
+
+void AudioStreamLegacy::checkForDisconnectRequest() {
+    if (mRequestDisconnect.isRequested()) {
+        ALOGD("checkForDisconnectRequest() mRequestDisconnect acknowledged");
+        forceDisconnect();
+        mRequestDisconnect.acknowledge();
+        mCallbackEnabled.store(false);
+    }
+}
+
+void AudioStreamLegacy::forceDisconnect() {
+    if (getState() != AAUDIO_STREAM_STATE_DISCONNECTED) {
+        setState(AAUDIO_STREAM_STATE_DISCONNECTED);
+        if (getErrorCallbackProc() != nullptr) {
+            (*getErrorCallbackProc())(
+                    (AAudioStream *) this,
+                    getErrorCallbackUserData(),
+                    AAUDIO_ERROR_DISCONNECTED
+            );
+        }
+    }
+}
+
 aaudio_result_t AudioStreamLegacy::getBestTimestamp(clockid_t clockId,
                                                    int64_t *framePosition,
                                                    int64_t *timeNanoseconds,
@@ -175,15 +195,18 @@
     ALOGD("onAudioDeviceUpdate() deviceId %d", (int)deviceId);
     if (getDeviceId() != AAUDIO_UNSPECIFIED && getDeviceId() != deviceId &&
             getState() != AAUDIO_STREAM_STATE_DISCONNECTED) {
-        setState(AAUDIO_STREAM_STATE_DISCONNECTED);
-        // if we have a data callback and the stream is active, send the error callback from
-        // data callback thread when it sees the DISCONNECTED state
-        if (!isDataCallbackActive() && getErrorCallbackProc() != nullptr) {
-            (*getErrorCallbackProc())(
-                    (AAudioStream *) this,
-                    getErrorCallbackUserData(),
-                    AAUDIO_ERROR_DISCONNECTED
-                    );
+        // Note that isDataCallbackActive() is affected by state so call it before DISCONNECTING.
+        // If we have a data callback and the stream is active, then ask the data callback
+        // to DISCONNECT and call the error callback.
+        if (isDataCallbackActive()) {
+            ALOGD("onAudioDeviceUpdate() request DISCONNECT in data callback due to device change");
+            // If the stream is stopped before the data callback has a chance to handle the
+            // request then the requestStop() and requestPause() methods will handle it after
+            // the callback has stopped.
+            mRequestDisconnect.request();
+        } else {
+            ALOGD("onAudioDeviceUpdate() DISCONNECT the stream now");
+            forceDisconnect();
         }
     }
     setDeviceId(deviceId);
diff --git a/media/libaaudio/src/legacy/AudioStreamLegacy.h b/media/libaaudio/src/legacy/AudioStreamLegacy.h
index 66c216c..7e28579 100644
--- a/media/libaaudio/src/legacy/AudioStreamLegacy.h
+++ b/media/libaaudio/src/legacy/AudioStreamLegacy.h
@@ -24,6 +24,7 @@
 
 #include "AudioStream.h"
 #include "AAudioLegacy.h"
+#include "utility/AAudioUtilities.h"
 #include "utility/FixedBlockAdapter.h"
 
 namespace aaudio {
@@ -111,6 +112,10 @@
 
     void onAudioDeviceUpdate(audio_port_handle_t deviceId);
 
+    void checkForDisconnectRequest();
+
+    void forceDisconnect();
+
     void onStart() { mCallbackEnabled.store(true); }
     void onStop() { mCallbackEnabled.store(false); }
 
@@ -130,6 +135,8 @@
     aaudio_wrapping_frames_t   mPositionWhenStarting = 0;
     int32_t                    mCallbackBufferSize = 0;
     const android::sp<StreamDeviceCallback>   mDeviceCallback;
+
+    AtomicRequestor            mRequestDisconnect;
 };
 
 } /* namespace aaudio */
diff --git a/media/libaaudio/src/legacy/AudioStreamRecord.cpp b/media/libaaudio/src/legacy/AudioStreamRecord.cpp
index 4d6fb2a..bc6e60c 100644
--- a/media/libaaudio/src/legacy/AudioStreamRecord.cpp
+++ b/media/libaaudio/src/legacy/AudioStreamRecord.cpp
@@ -238,6 +238,7 @@
     mAudioRecord->stop();
     mFramesRead.reset32();
     mTimestampPosition.reset32();
+    checkForDisconnectRequest();
     return AAUDIO_OK;
 }
 
diff --git a/media/libaaudio/src/legacy/AudioStreamTrack.cpp b/media/libaaudio/src/legacy/AudioStreamTrack.cpp
index 09c078c..5e4446f 100644
--- a/media/libaaudio/src/legacy/AudioStreamTrack.cpp
+++ b/media/libaaudio/src/legacy/AudioStreamTrack.cpp
@@ -261,6 +261,7 @@
     onStop();
     setState(AAUDIO_STREAM_STATE_PAUSING);
     mAudioTrack->pause();
+    checkForDisconnectRequest();
     status_t err = mAudioTrack->getPosition(&mPositionWhenPausing);
     if (err != OK) {
         return AAudioConvert_androidToAAudioResult(err);
@@ -300,6 +301,7 @@
     mFramesWritten.reset32();
     mTimestampPosition.reset32();
     mAudioTrack->stop();
+    checkForDisconnectRequest();
     return AAUDIO_OK;
 }
 
diff --git a/media/libaaudio/src/utility/AAudioUtilities.h b/media/libaaudio/src/utility/AAudioUtilities.h
index f56be32..3afa976 100644
--- a/media/libaaudio/src/utility/AAudioUtilities.h
+++ b/media/libaaudio/src/utility/AAudioUtilities.h
@@ -346,15 +346,18 @@
  */
 class AtomicRequestor {
 public:
+
+    __attribute__((no_sanitize("integer")))
     void request() {
-        // TODO handle overflows, very unlikely
         mRequested++;
     }
 
+    __attribute__((no_sanitize("integer")))
     bool isRequested() {
-        return mRequested.load() > mAcknowledged.load();
+        return (mRequested.load() - mAcknowledged.load()) > 0;
     }
 
+    __attribute__((no_sanitize("integer")))
     void acknowledge() {
         mAcknowledged++;
     }
diff --git a/media/libaudioclient/AudioRecord.cpp b/media/libaudioclient/AudioRecord.cpp
index 611cde7..398d923 100644
--- a/media/libaudioclient/AudioRecord.cpp
+++ b/media/libaudioclient/AudioRecord.cpp
@@ -274,7 +274,7 @@
     mStatus = NO_ERROR;
     mUserData = user;
     // TODO: add audio hardware input latency here
-    mLatency = (1000 * mFrameCount) / mSampleRate;
+    mLatency = (1000LL * mFrameCount) / mSampleRate;
     mMarkerPosition = 0;
     mMarkerReached = false;
     mNewPosition = 0;
diff --git a/media/libaudioclient/AudioTrack.cpp b/media/libaudioclient/AudioTrack.cpp
index b99eaff..31df414 100644
--- a/media/libaudioclient/AudioTrack.cpp
+++ b/media/libaudioclient/AudioTrack.cpp
@@ -1279,7 +1279,7 @@
         ALOGW("getLatency(%d) failed status %d", mOutput, status);
     } else {
         // FIXME don't believe this lie
-        mLatency = mAfLatency + (1000 * mFrameCount) / mSampleRate;
+        mLatency = mAfLatency + (1000LL * mFrameCount) / mSampleRate;
     }
 }
 
diff --git a/media/libeffects/lvm/wrapper/Bundle/EffectBundle.cpp b/media/libeffects/lvm/wrapper/Bundle/EffectBundle.cpp
index 4f1fed5..10f62f1 100644
--- a/media/libeffects/lvm/wrapper/Bundle/EffectBundle.cpp
+++ b/media/libeffects/lvm/wrapper/Bundle/EffectBundle.cpp
@@ -35,6 +35,15 @@
 // effect_handle_t interface implementation for bass boost
 extern "C" const struct effect_interface_s gLvmEffectInterface;
 
+// Turn on VERY_VERY_VERBOSE_LOGGING to log parameter get and set for effects.
+
+//#define VERY_VERY_VERBOSE_LOGGING
+#ifdef VERY_VERY_VERBOSE_LOGGING
+#define ALOGVV ALOGV
+#else
+#define ALOGVV(a...) do { } while (false)
+#endif
+
 #define LVM_ERROR_CHECK(LvmStatus, callingFunc, calledFunc){\
         if ((LvmStatus) == LVM_NULLADDRESS){\
             ALOGV("\tLVM_ERROR : Parameter error - "\
@@ -140,26 +149,43 @@
 void LvmEffect_free            (EffectContext *pContext);
 int  Effect_setConfig          (EffectContext *pContext, effect_config_t *pConfig);
 void Effect_getConfig          (EffectContext *pContext, effect_config_t *pConfig);
-int  BassBoost_setParameter    (EffectContext *pContext, void *pParam, void *pValue);
+int  BassBoost_setParameter    (EffectContext *pContext,
+                                uint32_t       paramSize,
+                                void          *pParam,
+                                uint32_t       valueSize,
+                                void          *pValue);
 int  BassBoost_getParameter    (EffectContext *pContext,
-                               void           *pParam,
-                               uint32_t       *pValueSize,
-                               void           *pValue);
-int  Virtualizer_setParameter  (EffectContext *pContext, void *pParam, void *pValue);
-int  Virtualizer_getParameter  (EffectContext *pContext,
-                               void           *pParam,
-                               uint32_t       *pValueSize,
-                               void           *pValue);
-int  Equalizer_setParameter    (EffectContext *pContext,
-                               void *pParam,
-                               uint32_t valueSize,
-                               void *pValue);
-int  Equalizer_getParameter    (EffectContext *pContext,
+                                uint32_t       paramSize,
                                 void          *pParam,
                                 uint32_t      *pValueSize,
                                 void          *pValue);
-int  Volume_setParameter       (EffectContext *pContext, void *pParam, void *pValue);
+int  Virtualizer_setParameter  (EffectContext *pContext,
+                                uint32_t       paramSize,
+                                void          *pParam,
+                                uint32_t       valueSize,
+                                void          *pValue);
+int  Virtualizer_getParameter  (EffectContext *pContext,
+                                uint32_t       paramSize,
+                                void          *pParam,
+                                uint32_t      *pValueSize,
+                                void          *pValue);
+int  Equalizer_setParameter    (EffectContext *pContext,
+                                uint32_t       paramSize,
+                                void          *pParam,
+                                uint32_t       valueSize,
+                                void          *pValue);
+int  Equalizer_getParameter    (EffectContext *pContext,
+                                uint32_t       paramSize,
+                                void          *pParam,
+                                uint32_t      *pValueSize,
+                                void          *pValue);
+int  Volume_setParameter       (EffectContext *pContext,
+                                uint32_t       paramSize,
+                                void          *pParam,
+                                uint32_t       valueSize,
+                                void          *pValue);
 int  Volume_getParameter       (EffectContext *pContext,
+                                uint32_t       paramSize,
                                 void          *pParam,
                                 uint32_t      *pValueSize,
                                 void          *pValue);
@@ -2165,59 +2191,54 @@
 //
 //----------------------------------------------------------------------------
 
-int BassBoost_getParameter(EffectContext     *pContext,
-                           void              *pParam,
-                           uint32_t          *pValueSize,
-                           void              *pValue){
+int BassBoost_getParameter(EffectContext *pContext,
+                           uint32_t       paramSize,
+                           void          *pParam,
+                           uint32_t      *pValueSize,
+                           void          *pValue) {
     int status = 0;
-    int32_t *pParamTemp = (int32_t *)pParam;
-    int32_t param = *pParamTemp++;
+    int32_t *params = (int32_t *)pParam;
 
-    //ALOGV("\tBassBoost_getParameter start");
+    ALOGVV("%s start", __func__);
 
-    switch (param){
-        case BASSBOOST_PARAM_STRENGTH_SUPPORTED:
-            if (*pValueSize != sizeof(uint32_t)){
-                ALOGV("\tLVM_ERROR : BassBoost_getParameter() invalid pValueSize1 %d", *pValueSize);
-                return -EINVAL;
-            }
-            *pValueSize = sizeof(uint32_t);
-            break;
-        case BASSBOOST_PARAM_STRENGTH:
-            if (*pValueSize != sizeof(int16_t)){
-                ALOGV("\tLVM_ERROR : BassBoost_getParameter() invalid pValueSize2 %d", *pValueSize);
-                return -EINVAL;
-            }
-            *pValueSize = sizeof(int16_t);
-            break;
-
-        default:
-            ALOGV("\tLVM_ERROR : BassBoost_getParameter() invalid param %d", param);
-            return -EINVAL;
+    if (paramSize < sizeof(int32_t)) {
+        ALOGV("%s invalid paramSize: %u", __func__, paramSize);
+        return -EINVAL;
     }
-
-    switch (param){
+    switch (params[0]) {
         case BASSBOOST_PARAM_STRENGTH_SUPPORTED:
-            *(uint32_t *)pValue = 1;
+            if (*pValueSize != sizeof(uint32_t)) {  // legacy: check equality here.
+                ALOGV("%s BASSBOOST_PARAM_STRENGTH_SUPPORTED invalid *pValueSize %u",
+                        __func__, *pValueSize);
+                status = -EINVAL;
+                break;
+            }
+            // no need to set *pValueSize
 
-            //ALOGV("\tBassBoost_getParameter() BASSBOOST_PARAM_STRENGTH_SUPPORTED Value is %d",
-            //        *(uint32_t *)pValue);
+            *(uint32_t *)pValue = 1;
+            ALOGVV("%s BASSBOOST_PARAM_STRENGTH_SUPPORTED %u", __func__, *(uint32_t *)pValue);
             break;
 
         case BASSBOOST_PARAM_STRENGTH:
-            *(int16_t *)pValue = BassGetStrength(pContext);
+            if (*pValueSize != sizeof(int16_t)) {  // legacy: check equality here.
+                ALOGV("%s BASSBOOST_PARAM_STRENGTH invalid *pValueSize %u",
+                        __func__, *pValueSize);
+                status = -EINVAL;
+                break;
+            }
+            // no need to set *pValueSize
 
-            //ALOGV("\tBassBoost_getParameter() BASSBOOST_PARAM_STRENGTH Value is %d",
-            //        *(int16_t *)pValue);
+            *(int16_t *)pValue = BassGetStrength(pContext);
+            ALOGVV("%s BASSBOOST_PARAM_STRENGTH %d", __func__, *(int16_t *)pValue);
             break;
 
         default:
-            ALOGV("\tLVM_ERROR : BassBoost_getParameter() invalid param %d", param);
+            ALOGV("%s invalid param %d", __func__, params[0]);
             status = -EINVAL;
             break;
     }
 
-    //ALOGV("\tBassBoost_getParameter end");
+    ALOGVV("%s end param: %d, status: %d", __func__, params[0], status);
     return status;
 } /* end BassBoost_getParameter */
 
@@ -2236,27 +2257,42 @@
 //
 //----------------------------------------------------------------------------
 
-int BassBoost_setParameter (EffectContext *pContext, void *pParam, void *pValue){
+int BassBoost_setParameter(EffectContext *pContext,
+                           uint32_t       paramSize,
+                           void          *pParam,
+                           uint32_t       valueSize,
+                           void          *pValue) {
     int status = 0;
-    int16_t strength;
-    int32_t *pParamTemp = (int32_t *)pParam;
+    int32_t *params = (int32_t *)pParam;
 
-    //ALOGV("\tBassBoost_setParameter start");
+    ALOGVV("%s start", __func__);
 
-    switch (*pParamTemp){
-        case BASSBOOST_PARAM_STRENGTH:
-            strength = *(int16_t *)pValue;
-            //ALOGV("\tBassBoost_setParameter() BASSBOOST_PARAM_STRENGTH value is %d", strength);
-            //ALOGV("\tBassBoost_setParameter() Calling pBassBoost->BassSetStrength");
+    if (paramSize != sizeof(int32_t)) {  // legacy: check equality here.
+        ALOGV("%s invalid paramSize: %u", __func__, paramSize);
+        return -EINVAL;
+    }
+    switch (params[0]) {
+        case BASSBOOST_PARAM_STRENGTH: {
+            if (valueSize < sizeof(int16_t)) {
+                ALOGV("%s BASSBOOST_PARAM_STRENGTH invalid valueSize: %u", __func__, valueSize);
+                status = -EINVAL;
+                break;
+            }
+
+            const int16_t strength = *(int16_t *)pValue;
+            ALOGVV("%s BASSBOOST_PARAM_STRENGTH %d", __func__, strength);
+            ALOGVV("%s BASSBOOST_PARAM_STRENGTH Calling BassSetStrength", __func__);
             BassSetStrength(pContext, (int32_t)strength);
-            //ALOGV("\tBassBoost_setParameter() Called pBassBoost->BassSetStrength");
-           break;
+            ALOGVV("%s BASSBOOST_PARAM_STRENGTH Called BassSetStrength", __func__);
+        } break;
+
         default:
-            ALOGV("\tLVM_ERROR : BassBoost_setParameter() invalid param %d", *pParamTemp);
+            ALOGV("%s invalid param %d", __func__, params[0]);
+            status = -EINVAL;
             break;
     }
 
-    //ALOGV("\tBassBoost_setParameter end");
+    ALOGVV("%s end param: %d, status: %d", __func__, params[0], status);
     return status;
 } /* end BassBoost_setParameter */
 
@@ -2281,92 +2317,97 @@
 //
 //----------------------------------------------------------------------------
 
-int Virtualizer_getParameter(EffectContext        *pContext,
-                             void                 *pParam,
-                             uint32_t             *pValueSize,
-                             void                 *pValue){
+int Virtualizer_getParameter(EffectContext *pContext,
+                             uint32_t       paramSize,
+                             void          *pParam,
+                             uint32_t      *pValueSize,
+                             void          *pValue) {
     int status = 0;
-    int32_t *pParamTemp = (int32_t *)pParam;
-    int32_t param = *pParamTemp++;
+    int32_t *params = (int32_t *)pParam;
 
-    //ALOGV("\tVirtualizer_getParameter start");
+    ALOGVV("%s start", __func__);
 
-    switch (param){
-        case VIRTUALIZER_PARAM_STRENGTH_SUPPORTED:
-            if (*pValueSize != sizeof(uint32_t)){
-                ALOGV("\tLVM_ERROR : Virtualizer_getParameter() invalid pValueSize %d",*pValueSize);
-                return -EINVAL;
-            }
-            *pValueSize = sizeof(uint32_t);
-            break;
-        case VIRTUALIZER_PARAM_STRENGTH:
-            if (*pValueSize != sizeof(int16_t)){
-                ALOGV("\tLVM_ERROR : Virtualizer_getParameter() invalid pValueSize2 %d",*pValueSize);
-                return -EINVAL;
-            }
-            *pValueSize = sizeof(int16_t);
-            break;
-        case VIRTUALIZER_PARAM_VIRTUAL_SPEAKER_ANGLES:
-            // return value size can only be interpreted as relative to input value,
-            // deferring validity check to below
-            break;
-        case VIRTUALIZER_PARAM_VIRTUALIZATION_MODE:
-            if (*pValueSize != sizeof(uint32_t)){
-                ALOGV("\tLVM_ERROR : Virtualizer_getParameter() invalid pValueSize %d",*pValueSize);
-                return -EINVAL;
-            }
-            *pValueSize = sizeof(uint32_t);
-            break;
-        default:
-            ALOGV("\tLVM_ERROR : Virtualizer_getParameter() invalid param %d", param);
-            return -EINVAL;
+    if (paramSize < sizeof(int32_t)) {
+        ALOGV("%s invalid paramSize: %u", __func__, paramSize);
+        return -EINVAL;
     }
-
-    switch (param){
+    switch (params[0]) {
         case VIRTUALIZER_PARAM_STRENGTH_SUPPORTED:
-            *(uint32_t *)pValue = 1;
+            if (*pValueSize != sizeof(uint32_t)) { // legacy: check equality here.
+                ALOGV("%s VIRTUALIZER_PARAM_STRENGTH_SUPPORTED invalid *pValueSize %u",
+                        __func__, *pValueSize);
+                status = -EINVAL;
+                break;
+            }
+            // no need to set *pValueSize
 
-            //ALOGV("\tVirtualizer_getParameter() VIRTUALIZER_PARAM_STRENGTH_SUPPORTED Value is %d",
-            //        *(uint32_t *)pValue);
+            *(uint32_t *)pValue = 1;
+            ALOGVV("%s VIRTUALIZER_PARAM_STRENGTH_SUPPORTED %d", __func__, *(uint32_t *)pValue);
             break;
 
         case VIRTUALIZER_PARAM_STRENGTH:
+            if (*pValueSize != sizeof(int16_t)) { // legacy: check equality here.
+                ALOGV("%s VIRTUALIZER_PARAM_STRENGTH invalid *pValueSize %u",
+                        __func__, *pValueSize);
+                status = -EINVAL;
+                break;
+            }
+            // no need to set *pValueSize
+
             *(int16_t *)pValue = VirtualizerGetStrength(pContext);
 
-            //ALOGV("\tVirtualizer_getParameter() VIRTUALIZER_PARAM_STRENGTH Value is %d",
-            //        *(int16_t *)pValue);
+            ALOGVV("%s VIRTUALIZER_PARAM_STRENGTH %d", __func__, *(int16_t *)pValue);
             break;
 
         case VIRTUALIZER_PARAM_VIRTUAL_SPEAKER_ANGLES: {
-            const audio_channel_mask_t channelMask = (audio_channel_mask_t) *pParamTemp++;
-            const audio_devices_t deviceType = (audio_devices_t) *pParamTemp;
-            uint32_t nbChannels = audio_channel_count_from_out_mask(channelMask);
-            if (*pValueSize < 3 * nbChannels * sizeof(int32_t)){
-                ALOGV("\tLVM_ERROR : Virtualizer_getParameter() invalid pValueSize %d",*pValueSize);
-                return -EINVAL;
+            if (paramSize < 3 * sizeof(int32_t)) {
+                ALOGV("%s VIRTUALIZER_PARAM_SPEAKER_ANGLES invalid paramSize: %u",
+                        __func__, paramSize);
+                status = -EINVAL;
+                break;
             }
+
+            const audio_channel_mask_t channelMask = (audio_channel_mask_t) params[1];
+            const audio_devices_t deviceType = (audio_devices_t) params[2];
+            const uint32_t nbChannels = audio_channel_count_from_out_mask(channelMask);
+            const uint32_t valueSizeRequired = 3 * nbChannels * sizeof(int32_t);
+            if (*pValueSize < valueSizeRequired) {
+                ALOGV("%s VIRTUALIZER_PARAM_SPEAKER_ANGLES invalid *pValueSize %u",
+                        __func__, *pValueSize);
+                status = -EINVAL;
+                break;
+            }
+            *pValueSize = valueSizeRequired;
+
             // verify the configuration is supported
             status = VirtualizerIsConfigurationSupported(channelMask, deviceType);
             if (status == 0) {
-                ALOGV("VIRTUALIZER_PARAM_VIRTUAL_SPEAKER_ANGLES supports mask=0x%x device=0x%x",
-                        channelMask, deviceType);
+                ALOGV("%s VIRTUALIZER_PARAM_VIRTUAL_SPEAKER_ANGLES mask=0x%x device=0x%x",
+                        __func__, channelMask, deviceType);
                 // configuration is supported, get the angles
                 VirtualizerGetSpeakerAngles(channelMask, deviceType, (int32_t *)pValue);
             }
-            }
-            break;
+        } break;
 
         case VIRTUALIZER_PARAM_VIRTUALIZATION_MODE:
-            *(uint32_t *)pValue  = (uint32_t) VirtualizerGetVirtualizationMode(pContext);
+            if (*pValueSize != sizeof(uint32_t)) { // legacy: check equality here.
+                ALOGV("%s VIRTUALIZER_PARAM_VIRTUALIZATION_MODE invalid *pValueSize %u",
+                        __func__, *pValueSize);
+                status = -EINVAL;
+                break;
+            }
+            // no need to set *pValueSize
+
+            *(uint32_t *)pValue = (uint32_t) VirtualizerGetVirtualizationMode(pContext);
             break;
 
         default:
-            ALOGV("\tLVM_ERROR : Virtualizer_getParameter() invalid param %d", param);
+            ALOGV("%s invalid param %d", __func__, params[0]);
             status = -EINVAL;
             break;
     }
 
-    ALOGV("\tVirtualizer_getParameter end returning status=%d", status);
+    ALOGVV("%s end param: %d, status: %d", __func__, params[0], status);
     return status;
 } /* end Virtualizer_getParameter */
 
@@ -2385,37 +2426,57 @@
 //
 //----------------------------------------------------------------------------
 
-int Virtualizer_setParameter (EffectContext *pContext, void *pParam, void *pValue){
+int Virtualizer_setParameter(EffectContext *pContext,
+                             uint32_t       paramSize,
+                             void          *pParam,
+                             uint32_t       valueSize,
+                             void          *pValue) {
     int status = 0;
-    int16_t strength;
-    int32_t *pParamTemp = (int32_t *)pParam;
-    int32_t param = *pParamTemp++;
+    int32_t *params = (int32_t *)pParam;
 
-    //ALOGV("\tVirtualizer_setParameter start");
+    ALOGVV("%s start", __func__);
 
-    switch (param){
-        case VIRTUALIZER_PARAM_STRENGTH:
-            strength = *(int16_t *)pValue;
-            //ALOGV("\tVirtualizer_setParameter() VIRTUALIZER_PARAM_STRENGTH value is %d", strength);
-            //ALOGV("\tVirtualizer_setParameter() Calling pVirtualizer->setStrength");
+    if (paramSize != sizeof(int32_t)) { // legacy: check equality here.
+        ALOGV("%s invalid paramSize: %u", __func__, paramSize);
+        return -EINVAL;
+    }
+    switch (params[0]) {
+        case VIRTUALIZER_PARAM_STRENGTH: {
+            if (valueSize < sizeof(int16_t)) {
+                ALOGV("%s VIRTUALIZER_PARAM_STRENGTH invalid valueSize: %u", __func__, valueSize);
+                status = -EINVAL;
+                break;
+            }
+
+            const int16_t strength = *(int16_t *)pValue;
+            ALOGVV("%s VIRTUALIZER_PARAM_STRENGTH %d", __func__, strength);
+            ALOGVV("%s VIRTUALIZER_PARAM_STRENGTH Calling VirtualizerSetStrength", __func__);
             VirtualizerSetStrength(pContext, (int32_t)strength);
-            //ALOGV("\tVirtualizer_setParameter() Called pVirtualizer->setStrength");
-           break;
+            ALOGVV("%s VIRTUALIZER_PARAM_STRENGTH Called VirtualizerSetStrength", __func__);
+        } break;
 
         case VIRTUALIZER_PARAM_FORCE_VIRTUALIZATION_MODE: {
-            const audio_devices_t deviceType = *(audio_devices_t *) pValue;
-            status = VirtualizerForceVirtualizationMode(pContext, deviceType);
-            //ALOGV("VIRTUALIZER_PARAM_FORCE_VIRTUALIZATION_MODE device=0x%x result=%d",
-            //        deviceType, status);
+            if (valueSize < sizeof(int32_t)) {
+                ALOGV("%s VIRTUALIZER_PARAM_FORCE_VIRTUALIZATION_MODE invalid valueSize: %u",
+                        __func__, valueSize);
+                android_errorWriteLog(0x534e4554, "64478003");
+                status = -EINVAL;
+                break;
             }
-            break;
+
+            const audio_devices_t deviceType = (audio_devices_t)*(int32_t *)pValue;
+            status = VirtualizerForceVirtualizationMode(pContext, deviceType);
+            ALOGVV("%s VIRTUALIZER_PARAM_FORCE_VIRTUALIZATION_MODE device=%#x result=%d",
+                    __func__, deviceType, status);
+        } break;
 
         default:
-            ALOGV("\tLVM_ERROR : Virtualizer_setParameter() invalid param %d", param);
+            ALOGV("%s invalid param %d", __func__, params[0]);
+            status = -EINVAL;
             break;
     }
 
-    //ALOGV("\tVirtualizer_setParameter end");
+    ALOGVV("%s end param: %d, status: %d", __func__, params[0], status);
     return status;
 } /* end Virtualizer_setParameter */
 
@@ -2439,174 +2500,215 @@
 // Side Effects:
 //
 //----------------------------------------------------------------------------
-int Equalizer_getParameter(EffectContext     *pContext,
-                           void              *pParam,
-                           uint32_t          *pValueSize,
-                           void              *pValue){
+int Equalizer_getParameter(EffectContext *pContext,
+                           uint32_t       paramSize,
+                           void          *pParam,
+                           uint32_t      *pValueSize,
+                           void          *pValue) {
     int status = 0;
-    int32_t *pParamTemp = (int32_t *)pParam;
-    int32_t param = *pParamTemp++;
-    int32_t param2;
-    char *name;
+    int32_t *params = (int32_t *)pParam;
 
-    //ALOGV("\tEqualizer_getParameter start");
+    ALOGVV("%s start", __func__);
 
-    switch (param) {
+    if (paramSize < sizeof(int32_t)) {
+        ALOGV("%s invalid paramSize: %u", __func__, paramSize);
+        return -EINVAL;
+    }
+    switch (params[0]) {
     case EQ_PARAM_NUM_BANDS:
+        if (*pValueSize < sizeof(uint16_t)) {
+            ALOGV("%s EQ_PARAM_NUM_BANDS invalid *pValueSize %u", __func__, *pValueSize);
+            status = -EINVAL;
+            break;
+        }
+        *pValueSize = sizeof(uint16_t);
+
+        *(uint16_t *)pValue = (uint16_t)FIVEBAND_NUMBANDS;
+        ALOGVV("%s EQ_PARAM_NUM_BANDS %u", __func__, *(uint16_t *)pValue);
+        break;
+
     case EQ_PARAM_CUR_PRESET:
+        if (*pValueSize < sizeof(uint16_t)) {
+            ALOGV("%s EQ_PARAM_CUR_PRESET invalid *pValueSize %u", __func__, *pValueSize);
+            status = -EINVAL;
+            break;
+        }
+        *pValueSize = sizeof(uint16_t);
+
+        *(uint16_t *)pValue = (uint16_t)EqualizerGetPreset(pContext);
+        ALOGVV("%s EQ_PARAM_CUR_PRESET %u", __func__, *(uint16_t *)pValue);
+        break;
+
     case EQ_PARAM_GET_NUM_OF_PRESETS:
-    case EQ_PARAM_BAND_LEVEL:
-    case EQ_PARAM_GET_BAND:
+        if (*pValueSize < sizeof(uint16_t)) {
+            ALOGV("%s EQ_PARAM_GET_NUM_OF_PRESETS invalid *pValueSize %u", __func__, *pValueSize);
+            status = -EINVAL;
+            break;
+        }
+        *pValueSize = sizeof(uint16_t);
+
+        *(uint16_t *)pValue = (uint16_t)EqualizerGetNumPresets();
+        ALOGVV("%s EQ_PARAM_GET_NUM_OF_PRESETS %u", __func__, *(uint16_t *)pValue);
+        break;
+
+    case EQ_PARAM_GET_BAND: {
+        if (paramSize < 2 * sizeof(int32_t)) {
+            ALOGV("%s EQ_PARAM_GET_BAND invalid paramSize: %u", __func__, paramSize);
+            status = -EINVAL;
+            break;
+        }
+        if (*pValueSize < sizeof(uint16_t)) {
+            ALOGV("%s EQ_PARAM_GET_BAND invalid *pValueSize %u", __func__, *pValueSize);
+            status = -EINVAL;
+            break;
+        }
+        *pValueSize = sizeof(uint16_t);
+
+        const int32_t frequency = params[1];
+        *(uint16_t *)pValue = (uint16_t)EqualizerGetBand(pContext, frequency);
+        ALOGVV("%s EQ_PARAM_GET_BAND frequency %d, band %u",
+                __func__, frequency, *(uint16_t *)pValue);
+    } break;
+
+    case EQ_PARAM_BAND_LEVEL: {
+        if (paramSize < 2 * sizeof(int32_t)) {
+            ALOGV("%s EQ_PARAM_BAND_LEVEL invalid paramSize %u", __func__, paramSize);
+            status = -EINVAL;
+            break;
+        }
         if (*pValueSize < sizeof(int16_t)) {
-            ALOGV("\tLVM_ERROR : Equalizer_getParameter() invalid pValueSize 1  %d", *pValueSize);
-            return -EINVAL;
+            ALOGV("%s EQ_PARAM_BAND_LEVEL invalid *pValueSize %u", __func__, *pValueSize);
+            status = -EINVAL;
+            break;
         }
         *pValueSize = sizeof(int16_t);
-        break;
+
+        const int32_t band = params[1];
+        if (band < 0 || band >= FIVEBAND_NUMBANDS) {
+            if (band < 0) {
+                android_errorWriteLog(0x534e4554, "32438598");
+                ALOGW("%s EQ_PARAM_BAND_LEVEL invalid band %d", __func__, band);
+            }
+            status = -EINVAL;
+            break;
+        }
+        *(int16_t *)pValue = (int16_t)EqualizerGetBandLevel(pContext, band);
+        ALOGVV("%s EQ_PARAM_BAND_LEVEL band %d, level %d",
+                __func__, band, *(int16_t *)pValue);
+    } break;
 
     case EQ_PARAM_LEVEL_RANGE:
         if (*pValueSize < 2 * sizeof(int16_t)) {
-            ALOGV("\tLVM_ERROR : Equalizer_getParameter() invalid pValueSize 2  %d", *pValueSize);
-            return -EINVAL;
+            ALOGV("%s EQ_PARAM_LEVEL_RANGE invalid *pValueSize %u", __func__, *pValueSize);
+            status = -EINVAL;
+            break;
         }
         *pValueSize = 2 * sizeof(int16_t);
-        break;
-    case EQ_PARAM_BAND_FREQ_RANGE:
-        if (*pValueSize < 2 * sizeof(int32_t)) {
-            ALOGV("\tLVM_ERROR : Equalizer_getParameter() invalid pValueSize 3  %d", *pValueSize);
-            return -EINVAL;
-        }
-        *pValueSize = 2 * sizeof(int32_t);
-        break;
 
-    case EQ_PARAM_CENTER_FREQ:
-        if (*pValueSize < sizeof(int32_t)) {
-            ALOGV("\tLVM_ERROR : Equalizer_getParameter() invalid pValueSize 5  %d", *pValueSize);
-            return -EINVAL;
-        }
-        *pValueSize = sizeof(int32_t);
-        break;
-
-    case EQ_PARAM_GET_PRESET_NAME:
-        break;
-
-    case EQ_PARAM_PROPERTIES:
-        if (*pValueSize < (2 + FIVEBAND_NUMBANDS) * sizeof(uint16_t)) {
-            ALOGV("\tLVM_ERROR : Equalizer_getParameter() invalid pValueSize 1  %d", *pValueSize);
-            return -EINVAL;
-        }
-        *pValueSize = (2 + FIVEBAND_NUMBANDS) * sizeof(uint16_t);
-        break;
-
-    default:
-        ALOGV("\tLVM_ERROR : Equalizer_getParameter unknown param %d", param);
-        return -EINVAL;
-    }
-
-    switch (param) {
-    case EQ_PARAM_NUM_BANDS:
-        *(uint16_t *)pValue = (uint16_t)FIVEBAND_NUMBANDS;
-        //ALOGV("\tEqualizer_getParameter() EQ_PARAM_NUM_BANDS %d", *(int16_t *)pValue);
-        break;
-
-    case EQ_PARAM_LEVEL_RANGE:
         *(int16_t *)pValue = -1500;
         *((int16_t *)pValue + 1) = 1500;
-        //ALOGV("\tEqualizer_getParameter() EQ_PARAM_LEVEL_RANGE min %d, max %d",
-        //      *(int16_t *)pValue, *((int16_t *)pValue + 1));
+        ALOGVV("%s EQ_PARAM_LEVEL_RANGE min %d, max %d",
+                __func__, *(int16_t *)pValue, *((int16_t *)pValue + 1));
         break;
 
-    case EQ_PARAM_BAND_LEVEL:
-        param2 = *pParamTemp;
-        if (param2 < 0 || param2 >= FIVEBAND_NUMBANDS) {
+    case EQ_PARAM_BAND_FREQ_RANGE: {
+        if (paramSize < 2 * sizeof(int32_t)) {
+            ALOGV("%s EQ_PARAM_BAND_FREQ_RANGE invalid paramSize: %u", __func__, paramSize);
             status = -EINVAL;
-            if (param2 < 0) {
-                android_errorWriteLog(0x534e4554, "32438598");
-                ALOGW("\tERROR Equalizer_getParameter() EQ_PARAM_BAND_LEVEL band %d", param2);
-            }
             break;
         }
-        *(int16_t *)pValue = (int16_t)EqualizerGetBandLevel(pContext, param2);
-        //ALOGV("\tEqualizer_getParameter() EQ_PARAM_BAND_LEVEL band %d, level %d",
-        //      param2, *(int32_t *)pValue);
-        break;
-
-    case EQ_PARAM_CENTER_FREQ:
-        param2 = *pParamTemp;
-        if (param2 < 0 || param2 >= FIVEBAND_NUMBANDS) {
+        if (*pValueSize < 2 * sizeof(int32_t)) {
+            ALOGV("%s EQ_PARAM_BAND_FREQ_RANGE invalid *pValueSize %u", __func__, *pValueSize);
             status = -EINVAL;
-            if (param2 < 0) {
-                android_errorWriteLog(0x534e4554, "32436341");
-                ALOGW("\tERROR Equalizer_getParameter() EQ_PARAM_CENTER_FREQ band %d", param2);
-            }
             break;
         }
-        *(int32_t *)pValue = EqualizerGetCentreFrequency(pContext, param2);
-        //ALOGV("\tEqualizer_getParameter() EQ_PARAM_CENTER_FREQ band %d, frequency %d",
-        //      param2, *(int32_t *)pValue);
-        break;
+        *pValueSize = 2 * sizeof(int32_t);
 
-    case EQ_PARAM_BAND_FREQ_RANGE:
-        param2 = *pParamTemp;
-        if (param2 < 0 || param2 >= FIVEBAND_NUMBANDS) {
-            status = -EINVAL;
-            if (param2 < 0) {
+        const int32_t band = params[1];
+        if (band < 0 || band >= FIVEBAND_NUMBANDS) {
+            if (band < 0) {
                 android_errorWriteLog(0x534e4554, "32247948");
-                ALOGW("\tERROR Equalizer_getParameter() EQ_PARAM_BAND_FREQ_RANGE band %d", param2);
+                ALOGW("%s EQ_PARAM_BAND_FREQ_RANGE invalid band %d",
+                        __func__, band);
             }
-            break;
-        }
-        EqualizerGetBandFreqRange(pContext, param2, (uint32_t *)pValue, ((uint32_t *)pValue + 1));
-        //ALOGV("\tEqualizer_getParameter() EQ_PARAM_BAND_FREQ_RANGE band %d, min %d, max %d",
-        //      param2, *(int32_t *)pValue, *((int32_t *)pValue + 1));
-        break;
-
-    case EQ_PARAM_GET_BAND:
-        param2 = *pParamTemp;
-        *(uint16_t *)pValue = (uint16_t)EqualizerGetBand(pContext, param2);
-        //ALOGV("\tEqualizer_getParameter() EQ_PARAM_GET_BAND frequency %d, band %d",
-        //      param2, *(uint16_t *)pValue);
-        break;
-
-    case EQ_PARAM_CUR_PRESET:
-        *(uint16_t *)pValue = (uint16_t)EqualizerGetPreset(pContext);
-        //ALOGV("\tEqualizer_getParameter() EQ_PARAM_CUR_PRESET %d", *(int32_t *)pValue);
-        break;
-
-    case EQ_PARAM_GET_NUM_OF_PRESETS:
-        *(uint16_t *)pValue = (uint16_t)EqualizerGetNumPresets();
-        //ALOGV("\tEqualizer_getParameter() EQ_PARAM_GET_NUM_OF_PRESETS %d", *(int16_t *)pValue);
-        break;
-
-    case EQ_PARAM_GET_PRESET_NAME:
-        param2 = *pParamTemp;
-        if ((param2 < 0 && param2 != PRESET_CUSTOM) ||  param2 >= EqualizerGetNumPresets()) {
             status = -EINVAL;
-            if (param2 < 0) {
-                android_errorWriteLog(0x534e4554, "32448258");
-                ALOGE("\tERROR Equalizer_getParameter() EQ_PARAM_GET_PRESET_NAME preset %d",
-                        param2);
+            break;
+        }
+        EqualizerGetBandFreqRange(pContext, band, (uint32_t *)pValue, ((uint32_t *)pValue + 1));
+        ALOGVV("%s EQ_PARAM_BAND_FREQ_RANGE band %d, min %d, max %d",
+                __func__, band, *(int32_t *)pValue, *((int32_t *)pValue + 1));
+
+    } break;
+
+    case EQ_PARAM_CENTER_FREQ: {
+        if (paramSize < 2 * sizeof(int32_t)) {
+            ALOGV("%s EQ_PARAM_CENTER_FREQ invalid paramSize: %u", __func__, paramSize);
+            status = -EINVAL;
+            break;
+        }
+        if (*pValueSize < sizeof(int32_t)) {
+            ALOGV("%s EQ_PARAM_CENTER_FREQ invalid *pValueSize %u", __func__, *pValueSize);
+            status = -EINVAL;
+            break;
+        }
+        *pValueSize = sizeof(int32_t);
+
+        const int32_t band = params[1];
+        if (band < 0 || band >= FIVEBAND_NUMBANDS) {
+            status = -EINVAL;
+            if (band < 0) {
+                android_errorWriteLog(0x534e4554, "32436341");
+                ALOGW("%s EQ_PARAM_CENTER_FREQ invalid band %d", __func__, band);
             }
             break;
         }
+        *(int32_t *)pValue = EqualizerGetCentreFrequency(pContext, band);
+        ALOGVV("%s EQ_PARAM_CENTER_FREQ band %d, frequency %d",
+                __func__, band, *(int32_t *)pValue);
+    } break;
 
+    case EQ_PARAM_GET_PRESET_NAME: {
+        if (paramSize < 2 * sizeof(int32_t)) {
+            ALOGV("%s EQ_PARAM_PRESET_NAME invalid paramSize: %u", __func__, paramSize);
+            status = -EINVAL;
+            break;
+        }
         if (*pValueSize < 1) {
-            status = -EINVAL;
             android_errorWriteLog(0x534e4554, "37536407");
+            status = -EINVAL;
             break;
         }
 
-        name = (char *)pValue;
-        strncpy(name, EqualizerGetPresetName(param2), *pValueSize - 1);
+        const int32_t preset = params[1];
+        if ((preset < 0 && preset != PRESET_CUSTOM) ||  preset >= EqualizerGetNumPresets()) {
+            if (preset < 0) {
+                android_errorWriteLog(0x534e4554, "32448258");
+                ALOGE("%s EQ_PARAM_GET_PRESET_NAME preset %d", __func__, preset);
+            }
+            status = -EINVAL;
+            break;
+        }
+
+        char * const name = (char *)pValue;
+        strncpy(name, EqualizerGetPresetName(preset), *pValueSize - 1);
         name[*pValueSize - 1] = 0;
         *pValueSize = strlen(name) + 1;
-        //ALOGV("\tEqualizer_getParameter() EQ_PARAM_GET_PRESET_NAME preset %d, name %s len %d",
-        //      param2, gEqualizerPresets[param2].name, *pValueSize);
-        break;
+        ALOGVV("%s EQ_PARAM_GET_PRESET_NAME preset %d, name %s len %d",
+                __func__, preset, gEqualizerPresets[preset].name, *pValueSize);
+
+    } break;
 
     case EQ_PARAM_PROPERTIES: {
+        constexpr uint32_t requiredValueSize = (2 + FIVEBAND_NUMBANDS) * sizeof(uint16_t);
+        if (*pValueSize < requiredValueSize) {
+            ALOGV("%s EQ_PARAM_PROPERTIES invalid *pValueSize %u", __func__, *pValueSize);
+            status = -EINVAL;
+            break;
+        }
+        *pValueSize = requiredValueSize;
+
         int16_t *p = (int16_t *)pValue;
-        ALOGV("\tEqualizer_getParameter() EQ_PARAM_PROPERTIES");
+        ALOGV("%s EQ_PARAM_PROPERTIES", __func__);
         p[0] = (int16_t)EqualizerGetPreset(pContext);
         p[1] = (int16_t)FIVEBAND_NUMBANDS;
         for (int i = 0; i < FIVEBAND_NUMBANDS; i++) {
@@ -2615,12 +2717,12 @@
     } break;
 
     default:
-        ALOGV("\tLVM_ERROR : Equalizer_getParameter() invalid param %d", param);
+        ALOGV("%s invalid param %d", __func__, params[0]);
         status = -EINVAL;
         break;
     }
 
-    //GV("\tEqualizer_getParameter end\n");
+    ALOGVV("%s end param: %d, status: %d", __func__, params[0], status);
     return status;
 } /* end Equalizer_getParameter */
 
@@ -2640,74 +2742,89 @@
 // Outputs:
 //
 //----------------------------------------------------------------------------
-int Equalizer_setParameter (EffectContext *pContext,
-                            void *pParam,
-                            uint32_t valueSize,
-                            void *pValue) {
+int Equalizer_setParameter(EffectContext *pContext,
+                           uint32_t       paramSize,
+                           void          *pParam,
+                           uint32_t       valueSize,
+                           void          *pValue) {
     int status = 0;
-    int32_t preset;
-    int32_t band;
-    int32_t level;
-    int32_t *pParamTemp = (int32_t *)pParam;
-    int32_t param = *pParamTemp++;
+    int32_t *params = (int32_t *)pParam;
 
+    ALOGVV("%s start", __func__);
 
-    //ALOGV("\tEqualizer_setParameter start");
-    switch (param) {
-    case EQ_PARAM_CUR_PRESET:
+    if (paramSize < sizeof(int32_t)) {
+        ALOGV("%s invalid paramSize: %u", __func__, paramSize);
+        return -EINVAL;
+    }
+    switch (params[0]) {
+    case EQ_PARAM_CUR_PRESET: {
         if (valueSize < sizeof(int16_t)) {
-          status = -EINVAL;
-          break;
+            ALOGV("%s EQ_PARAM_CUR_PRESET invalid valueSize %u", __func__, valueSize);
+            status = -EINVAL;
+            break;
         }
-        preset = (int32_t)(*(uint16_t *)pValue);
+        const int32_t preset = (int32_t)*(uint16_t *)pValue;
 
-        //ALOGV("\tEqualizer_setParameter() EQ_PARAM_CUR_PRESET %d", preset);
-        if ((preset >= EqualizerGetNumPresets())||(preset < 0)) {
+        ALOGVV("%s EQ_PARAM_CUR_PRESET %d", __func__, preset);
+        if (preset >= EqualizerGetNumPresets() || preset < 0) {
+            ALOGV("%s EQ_PARAM_CUR_PRESET invalid preset %d", __func__, preset);
             status = -EINVAL;
             break;
         }
         EqualizerSetPreset(pContext, preset);
-        break;
-    case EQ_PARAM_BAND_LEVEL:
-        if (valueSize < sizeof(int16_t)) {
-          status = -EINVAL;
-          break;
-        }
-        band =  *pParamTemp;
-        level = (int32_t)(*(int16_t *)pValue);
-        //ALOGV("\tEqualizer_setParameter() EQ_PARAM_BAND_LEVEL band %d, level %d", band, level);
-        if (band < 0 || band >= FIVEBAND_NUMBANDS) {
+    } break;
+
+    case EQ_PARAM_BAND_LEVEL: {
+        if (paramSize < 2 * sizeof(int32_t)) {
+            ALOGV("%s EQ_PARAM_BAND_LEVEL invalid paramSize: %u", __func__, paramSize);
             status = -EINVAL;
+            break;
+        }
+        if (valueSize < sizeof(int16_t)) {
+            ALOGV("%s EQ_PARAM_BAND_LEVEL invalid valueSize %u", __func__, valueSize);
+            status = -EINVAL;
+            break;
+        }
+        const int32_t band =  params[1];
+        const int32_t level = (int32_t)*(int16_t *)pValue;
+        ALOGVV("%s EQ_PARAM_BAND_LEVEL band %d, level %d", __func__, band, level);
+        if (band < 0 || band >= FIVEBAND_NUMBANDS) {
             if (band < 0) {
                 android_errorWriteLog(0x534e4554, "32095626");
-                ALOGE("\tERROR Equalizer_setParameter() EQ_PARAM_BAND_LEVEL band %d", band);
+                ALOGE("%s EQ_PARAM_BAND_LEVEL invalid band %d", __func__, band);
             }
+            status = -EINVAL;
             break;
         }
         EqualizerSetBandLevel(pContext, band, level);
-        break;
+    } break;
+
     case EQ_PARAM_PROPERTIES: {
-        //ALOGV("\tEqualizer_setParameter() EQ_PARAM_PROPERTIES");
+        ALOGVV("%s EQ_PARAM_PROPERTIES", __func__);
         if (valueSize < sizeof(int16_t)) {
-          status = -EINVAL;
-          break;
+            ALOGV("%s EQ_PARAM_PROPERTIES invalid valueSize %u", __func__, valueSize);
+            status = -EINVAL;
+            break;
         }
         int16_t *p = (int16_t *)pValue;
         if ((int)p[0] >= EqualizerGetNumPresets()) {
+            ALOGV("%s EQ_PARAM_PROPERTIES invalid preset %d", __func__, (int)p[0]);
             status = -EINVAL;
             break;
         }
         if (p[0] >= 0) {
             EqualizerSetPreset(pContext, (int)p[0]);
         } else {
-            if (valueSize < (2 + FIVEBAND_NUMBANDS) * sizeof(int16_t)) {
+            constexpr uint32_t valueSizeRequired = (2 + FIVEBAND_NUMBANDS) * sizeof(int16_t);
+            if (valueSize < valueSizeRequired) {
               android_errorWriteLog(0x534e4554, "37563371");
-              ALOGE("\tERROR Equalizer_setParameter() EQ_PARAM_PROPERTIES valueSize %d < %d",
-                    (int)valueSize, (int)((2 + FIVEBAND_NUMBANDS) * sizeof(int16_t)));
+              ALOGE("%s EQ_PARAM_PROPERTIES invalid valueSize %u < %u",
+                      __func__, valueSize, valueSizeRequired);
               status = -EINVAL;
               break;
             }
             if ((int)p[1] != FIVEBAND_NUMBANDS) {
+                ALOGV("%s EQ_PARAM_PROPERTIES invalid bands %d", __func__, (int)p[1]);
                 status = -EINVAL;
                 break;
             }
@@ -2716,13 +2833,14 @@
             }
         }
     } break;
+
     default:
-        ALOGV("\tLVM_ERROR : Equalizer_setParameter() invalid param %d", param);
+        ALOGV("%s invalid param %d", __func__, params[0]);
         status = -EINVAL;
         break;
     }
 
-    //ALOGV("\tEqualizer_setParameter end");
+    ALOGVV("%s end param: %d, status: %d", __func__, params[0], status);
     return status;
 } /* end Equalizer_setParameter */
 
@@ -2747,79 +2865,92 @@
 //
 //----------------------------------------------------------------------------
 
-int Volume_getParameter(EffectContext     *pContext,
-                        void              *pParam,
-                        uint32_t          *pValueSize,
-                        void              *pValue){
+int Volume_getParameter(EffectContext *pContext,
+                        uint32_t       paramSize,
+                        void          *pParam,
+                        uint32_t      *pValueSize,
+                        void          *pValue) {
     int status = 0;
-    int32_t *pParamTemp = (int32_t *)pParam;
-    int32_t param = *pParamTemp++;;
+    int32_t *params = (int32_t *)pParam;
 
-    //ALOGV("\tVolume_getParameter start");
+    ALOGVV("%s start", __func__);
 
-    switch (param){
+    if (paramSize < sizeof(int32_t)) {
+        ALOGV("%s invalid paramSize: %u", __func__, paramSize);
+        return -EINVAL;
+    }
+    switch (params[0]) {
         case VOLUME_PARAM_LEVEL:
-        case VOLUME_PARAM_MAXLEVEL:
-        case VOLUME_PARAM_STEREOPOSITION:
-            if (*pValueSize != sizeof(int16_t)){
-                ALOGV("\tLVM_ERROR : Volume_getParameter() invalid pValueSize 1  %d", *pValueSize);
-                return -EINVAL;
+            if (*pValueSize != sizeof(int16_t)) { // legacy: check equality here.
+                ALOGV("%s VOLUME_PARAM_LEVEL invalid *pValueSize %u", __func__, *pValueSize);
+                status = -EINVAL;
+                break;
             }
-            *pValueSize = sizeof(int16_t);
+            // no need to set *pValueSize
+
+            status = VolumeGetVolumeLevel(pContext, (int16_t *)(pValue));
+            ALOGVV("%s VOLUME_PARAM_LEVEL %d", __func__, *(int16_t *)pValue);
+            break;
+
+        case VOLUME_PARAM_MAXLEVEL:
+            if (*pValueSize != sizeof(int16_t)) { // legacy: check equality here.
+                ALOGV("%s VOLUME_PARAM_MAXLEVEL invalid *pValueSize %u", __func__, *pValueSize);
+                status = -EINVAL;
+                break;
+            }
+            // no need to set *pValueSize
+
+            // in millibel
+            *(int16_t *)pValue = 0;
+            ALOGVV("%s VOLUME_PARAM_MAXLEVEL %d", __func__, *(int16_t *)pValue);
+            break;
+
+        case VOLUME_PARAM_STEREOPOSITION:
+            if (*pValueSize != sizeof(int16_t)) { // legacy: check equality here.
+                ALOGV("%s VOLUME_PARAM_STEREOPOSITION invalid *pValueSize %u",
+                        __func__, *pValueSize);
+                status = -EINVAL;
+                break;
+            }
+            // no need to set *pValueSize
+
+            VolumeGetStereoPosition(pContext, (int16_t *)pValue);
+            ALOGVV("%s VOLUME_PARAM_STEREOPOSITION %d", __func__, *(int16_t *)pValue);
             break;
 
         case VOLUME_PARAM_MUTE:
+            if (*pValueSize < sizeof(uint32_t)) {
+                ALOGV("%s VOLUME_PARAM_MUTE invalid *pValueSize %u", __func__, *pValueSize);
+                status = -EINVAL;
+                break;
+            }
+            *pValueSize = sizeof(uint32_t);
+
+            status = VolumeGetMute(pContext, (uint32_t *)pValue);
+            ALOGV("%s VOLUME_PARAM_MUTE %u", __func__, *(uint32_t *)pValue);
+            break;
+
         case VOLUME_PARAM_ENABLESTEREOPOSITION:
-            if (*pValueSize < sizeof(int32_t)){
-                ALOGV("\tLVM_ERROR : Volume_getParameter() invalid pValueSize 2  %d", *pValueSize);
-                return -EINVAL;
+            if (*pValueSize < sizeof(int32_t)) {
+                ALOGV("%s VOLUME_PARAM_ENABLESTEREOPOSITION invalid *pValueSize %u",
+                        __func__, *pValueSize);
+                status = -EINVAL;
+                break;
             }
             *pValueSize = sizeof(int32_t);
-            break;
 
-        default:
-            ALOGV("\tLVM_ERROR : Volume_getParameter unknown param %d", param);
-            return -EINVAL;
-    }
-
-    switch (param){
-        case VOLUME_PARAM_LEVEL:
-            status = VolumeGetVolumeLevel(pContext, (int16_t *)(pValue));
-            //ALOGV("\tVolume_getParameter() VOLUME_PARAM_LEVEL Value is %d",
-            //        *(int16_t *)pValue);
-            break;
-
-        case VOLUME_PARAM_MAXLEVEL:
-            *(int16_t *)pValue = 0;
-            //ALOGV("\tVolume_getParameter() VOLUME_PARAM_MAXLEVEL Value is %d",
-            //        *(int16_t *)pValue);
-            break;
-
-        case VOLUME_PARAM_STEREOPOSITION:
-            VolumeGetStereoPosition(pContext, (int16_t *)pValue);
-            //ALOGV("\tVolume_getParameter() VOLUME_PARAM_STEREOPOSITION Value is %d",
-            //        *(int16_t *)pValue);
-            break;
-
-        case VOLUME_PARAM_MUTE:
-            status = VolumeGetMute(pContext, (uint32_t *)pValue);
-            ALOGV("\tVolume_getParameter() VOLUME_PARAM_MUTE Value is %d",
-                    *(uint32_t *)pValue);
-            break;
-
-        case VOLUME_PARAM_ENABLESTEREOPOSITION:
             *(int32_t *)pValue = pContext->pBundledContext->bStereoPositionEnabled;
-            //ALOGV("\tVolume_getParameter() VOLUME_PARAM_ENABLESTEREOPOSITION Value is %d",
-            //        *(uint32_t *)pValue);
+            ALOGVV("%s VOLUME_PARAM_ENABLESTEREOPOSITION %d", __func__, *(int32_t *)pValue);
+
             break;
 
         default:
-            ALOGV("\tLVM_ERROR : Volume_getParameter() invalid param %d", param);
+            ALOGV("%s invalid param %d", __func__, params[0]);
             status = -EINVAL;
             break;
     }
 
-    //ALOGV("\tVolume_getParameter end");
+    ALOGVV("%s end param: %d, status: %d", __func__, params[0], status);
     return status;
 } /* end Volume_getParameter */
 
@@ -2839,55 +2970,87 @@
 //
 //----------------------------------------------------------------------------
 
-int Volume_setParameter (EffectContext *pContext, void *pParam, void *pValue){
-    int      status = 0;
-    int16_t  level;
-    int16_t  position;
-    uint32_t mute;
-    uint32_t positionEnabled;
-    int32_t *pParamTemp = (int32_t *)pParam;
-    int32_t param = *pParamTemp++;
+int Volume_setParameter(EffectContext *pContext,
+                        uint32_t       paramSize,
+                        void          *pParam,
+                        uint32_t       valueSize,
+                        void          *pValue) {
+    int status = 0;
+    int32_t *params = (int32_t *)pParam;
 
-    //ALOGV("\tVolume_setParameter start");
+    ALOGVV("%s start", __func__);
 
-    switch (param){
-        case VOLUME_PARAM_LEVEL:
-            level = *(int16_t *)pValue;
-            //ALOGV("\tVolume_setParameter() VOLUME_PARAM_LEVEL value is %d", level);
-            //ALOGV("\tVolume_setParameter() Calling pVolume->setVolumeLevel");
-            status = VolumeSetVolumeLevel(pContext, (int16_t)level);
-            //ALOGV("\tVolume_setParameter() Called pVolume->setVolumeLevel");
-            break;
+    if (paramSize < sizeof(int32_t)) {
+        ALOGV("%s invalid paramSize: %u", __func__, paramSize);
+        return -EINVAL;
+    }
+    switch (params[0]) {
+        case VOLUME_PARAM_LEVEL: {
+            if (valueSize < sizeof(int16_t)) {
+                ALOGV("%s VOLUME_PARAM_LEVEL invalid valueSize %u", __func__, valueSize);
+                status = -EINVAL;
+                break;
+            }
 
-        case VOLUME_PARAM_MUTE:
-            mute = *(uint32_t *)pValue;
-            //ALOGV("\tVolume_setParameter() Calling pVolume->setMute, mute is %d", mute);
-            //ALOGV("\tVolume_setParameter() Calling pVolume->setMute");
+            const int16_t level = *(int16_t *)pValue;
+            ALOGVV("%s VOLUME_PARAM_LEVEL %d", __func__, level);
+            ALOGVV("%s VOLUME_PARAM_LEVEL Calling VolumeSetVolumeLevel", __func__);
+            status = VolumeSetVolumeLevel(pContext, level);
+            ALOGVV("%s VOLUME_PARAM_LEVEL Called VolumeSetVolumeLevel", __func__);
+        } break;
+
+        case VOLUME_PARAM_MUTE: {
+            if (valueSize < sizeof(uint32_t)) {
+                ALOGV("%s VOLUME_PARAM_MUTE invalid valueSize %u", __func__, valueSize);
+                android_errorWriteLog(0x534e4554, "64477217");
+                status = -EINVAL;
+                break;
+            }
+
+            const uint32_t mute = *(uint32_t *)pValue;
+            ALOGVV("%s VOLUME_PARAM_MUTE %d", __func__, mute);
+            ALOGVV("%s VOLUME_PARAM_MUTE Calling VolumeSetMute", __func__);
             status = VolumeSetMute(pContext, mute);
-            //ALOGV("\tVolume_setParameter() Called pVolume->setMute");
-            break;
+            ALOGVV("%s VOLUME_PARAM_MUTE Called VolumeSetMute", __func__);
+        } break;
 
-        case VOLUME_PARAM_ENABLESTEREOPOSITION:
-            positionEnabled = *(uint32_t *)pValue;
-            (void) VolumeEnableStereoPosition(pContext, positionEnabled);
-            (void) VolumeSetStereoPosition(pContext, pContext->pBundledContext->positionSaved);
-            //ALOGV("\tVolume_setParameter() VOLUME_PARAM_ENABLESTEREOPOSITION called");
-            break;
+        case VOLUME_PARAM_ENABLESTEREOPOSITION: {
+            if (valueSize < sizeof(uint32_t)) {
+                ALOGV("%s VOLUME_PARAM_ENABLESTEREOPOSITION invalid valueSize %u",
+                        __func__, valueSize);
+                status = -EINVAL;
+                break;
+            }
 
-        case VOLUME_PARAM_STEREOPOSITION:
-            position = *(int16_t *)pValue;
-            //ALOGV("\tVolume_setParameter() VOLUME_PARAM_STEREOPOSITION value is %d", position);
-            //ALOGV("\tVolume_setParameter() Calling pVolume->VolumeSetStereoPosition");
-            status = VolumeSetStereoPosition(pContext, (int16_t)position);
-            //ALOGV("\tVolume_setParameter() Called pVolume->VolumeSetStereoPosition");
-            break;
+            const uint32_t positionEnabled = *(uint32_t *)pValue;
+            status = VolumeEnableStereoPosition(pContext, positionEnabled)
+                    ?: VolumeSetStereoPosition(pContext, pContext->pBundledContext->positionSaved);
+            ALOGVV("%s VOLUME_PARAM_ENABLESTEREOPOSITION called", __func__);
+        } break;
+
+        case VOLUME_PARAM_STEREOPOSITION: {
+            if (valueSize < sizeof(int16_t)) {
+                ALOGV("%s VOLUME_PARAM_STEREOPOSITION invalid valueSize %u", __func__, valueSize);
+                status = -EINVAL;
+                break;
+            }
+
+            const int16_t position = *(int16_t *)pValue;
+            ALOGVV("%s VOLUME_PARAM_STEREOPOSITION %d", __func__, position);
+            ALOGVV("%s VOLUME_PARAM_STEREOPOSITION Calling VolumeSetStereoPosition",
+                    __func__);
+            status = VolumeSetStereoPosition(pContext, position);
+            ALOGVV("%s VOLUME_PARAM_STEREOPOSITION Called VolumeSetStereoPosition",
+                    __func__);
+        } break;
 
         default:
-            ALOGV("\tLVM_ERROR : Volume_setParameter() invalid param %d", param);
+            ALOGV("%s invalid param %d", __func__, params[0]);
+            status = -EINVAL;
             break;
     }
 
-    //ALOGV("\tVolume_setParameter end");
+    ALOGVV("%s end param: %d, status: %d", __func__, params[0], status);
     return status;
 } /* end Volume_setParameter */
 
@@ -3205,6 +3368,13 @@
     return status;
 }   /* end Effect_process */
 
+// The value offset of an effect parameter is computed by rounding up
+// the parameter size to the next 32 bit alignment.
+static inline uint32_t computeParamVOffset(const effect_param_t *p) {
+    return ((p->psize + sizeof(int32_t) - 1) / sizeof(int32_t)) *
+            sizeof(int32_t);
+}
+
 /* Effect Control Interface Implementation: Command */
 int Effect_command(effect_handle_t  self,
                               uint32_t            cmdCode,
@@ -3315,8 +3485,7 @@
                 ALOGV("\tLVM_ERROR : EFFECT_CMD_GET_PARAM: psize too big");
                 return -EINVAL;
             }
-            uint32_t paddedParamSize = ((p->psize + sizeof(int32_t) - 1) / sizeof(int32_t)) *
-                    sizeof(int32_t);
+            const uint32_t paddedParamSize = computeParamVOffset(p);
             if ((EFFECT_PARAM_SIZE_MAX - sizeof(effect_param_t) < paddedParamSize) ||
                 (EFFECT_PARAM_SIZE_MAX - sizeof(effect_param_t) - paddedParamSize <
                     p->vsize)) {
@@ -3338,6 +3507,7 @@
             uint32_t voffset = paddedParamSize;
             if(pContext->EffectType == LVM_BASS_BOOST){
                 p->status = android::BassBoost_getParameter(pContext,
+                                                            p->psize,
                                                             p->data,
                                                             &p->vsize,
                                                             p->data + voffset);
@@ -3350,6 +3520,7 @@
 
             if(pContext->EffectType == LVM_VIRTUALIZER){
                 p->status = android::Virtualizer_getParameter(pContext,
+                                                              p->psize,
                                                               (void *)p->data,
                                                               &p->vsize,
                                                               p->data + voffset);
@@ -3364,6 +3535,7 @@
                 //ALOGV("\tEqualizer_command cmdCode Case: "
                 //        "EFFECT_CMD_GET_PARAM start");
                 p->status = android::Equalizer_getParameter(pContext,
+                                                            p->psize,
                                                             p->data,
                                                             &p->vsize,
                                                             p->data + voffset);
@@ -3378,6 +3550,7 @@
             if(pContext->EffectType == LVM_VOLUME){
                 //ALOGV("\tVolume_command cmdCode Case: EFFECT_CMD_GET_PARAM start");
                 p->status = android::Volume_getParameter(pContext,
+                                                         p->psize,
                                                          (void *)p->data,
                                                          &p->vsize,
                                                          p->data + voffset);
@@ -3407,13 +3580,9 @@
                             "EFFECT_CMD_SET_PARAM: ERROR");
                     return -EINVAL;
                 }
-                effect_param_t *p = (effect_param_t *) pCmdData;
 
-                if (p->psize != sizeof(int32_t)){
-                    ALOGV("\tLVM_ERROR : BassBoost_command cmdCode Case: "
-                            "EFFECT_CMD_SET_PARAM: ERROR, psize is not sizeof(int32_t)");
-                    return -EINVAL;
-                }
+                effect_param_t * const p = (effect_param_t *) pCmdData;
+                const uint32_t voffset = computeParamVOffset(p);
 
                 //ALOGV("\tnBassBoost_command cmdSize is %d\n"
                 //        "\tsizeof(effect_param_t) is  %d\n"
@@ -3423,8 +3592,10 @@
                 //        cmdSize, sizeof(effect_param_t), p->psize, p->vsize );
 
                 *(int *)pReplyData = android::BassBoost_setParameter(pContext,
-                                                                    (void *)p->data,
-                                                                    p->data + p->psize);
+                                                                     p->psize,
+                                                                     (void *)p->data,
+                                                                     p->vsize,
+                                                                     p->data + voffset);
             }
             if(pContext->EffectType == LVM_VIRTUALIZER){
               // Warning this log will fail to properly read an int32_t value, assumes int16_t
@@ -3442,13 +3613,9 @@
                             "EFFECT_CMD_SET_PARAM: ERROR");
                     return -EINVAL;
                 }
-                effect_param_t *p = (effect_param_t *) pCmdData;
 
-                if (p->psize != sizeof(int32_t)){
-                    ALOGV("\tLVM_ERROR : Virtualizer_command cmdCode Case: "
-                            "EFFECT_CMD_SET_PARAM: ERROR, psize is not sizeof(int32_t)");
-                    return -EINVAL;
-                }
+                effect_param_t * const p = (effect_param_t *) pCmdData;
+                const uint32_t voffset = computeParamVOffset(p);
 
                 //ALOGV("\tnVirtualizer_command cmdSize is %d\n"
                 //        "\tsizeof(effect_param_t) is  %d\n"
@@ -3458,8 +3625,10 @@
                 //        cmdSize, sizeof(effect_param_t), p->psize, p->vsize );
 
                 *(int *)pReplyData = android::Virtualizer_setParameter(pContext,
-                                                                      (void *)p->data,
-                                                                       p->data + p->psize);
+                                                                       p->psize,
+                                                                       (void *)p->data,
+                                                                       p->vsize,
+                                                                       p->data + voffset);
             }
             if(pContext->EffectType == LVM_EQUALIZER){
                //ALOGV("\tEqualizer_command cmdCode Case: "
@@ -3475,12 +3644,15 @@
                             "EFFECT_CMD_SET_PARAM: ERROR");
                     return -EINVAL;
                 }
-                effect_param_t *p = (effect_param_t *) pCmdData;
+
+                effect_param_t * const p = (effect_param_t *) pCmdData;
+                const uint32_t voffset = computeParamVOffset(p);
 
                 *(int *)pReplyData = android::Equalizer_setParameter(pContext,
-                                                                    (void *)p->data,
-                                                                    p->vsize,
-                                                                    p->data + p->psize);
+                                                                     p->psize,
+                                                                     (void *)p->data,
+                                                                     p->vsize,
+                                                                     p->data + voffset);
             }
             if(pContext->EffectType == LVM_VOLUME){
                 //ALOGV("\tVolume_command cmdCode Case: EFFECT_CMD_SET_PARAM start");
@@ -3497,11 +3669,15 @@
                             "EFFECT_CMD_SET_PARAM: ERROR");
                     return -EINVAL;
                 }
-                effect_param_t *p = (effect_param_t *) pCmdData;
+
+                effect_param_t * const p = (effect_param_t *) pCmdData;
+                const uint32_t voffset = computeParamVOffset(p);
 
                 *(int *)pReplyData = android::Volume_setParameter(pContext,
-                                                                 (void *)p->data,
-                                                                 p->data + p->psize);
+                                                                  p->psize,
+                                                                  (void *)p->data,
+                                                                  p->vsize,
+                                                                  p->data + voffset);
             }
             //ALOGV("\tEffect_command cmdCode Case: EFFECT_CMD_SET_PARAM end");
         } break;
diff --git a/media/libstagefright/omx/OMXNodeInstance.cpp b/media/libstagefright/omx/OMXNodeInstance.cpp
index cc96172..015a148 100644
--- a/media/libstagefright/omx/OMXNodeInstance.cpp
+++ b/media/libstagefright/omx/OMXNodeInstance.cpp
@@ -372,6 +372,8 @@
     mPortMode[1] = IOMX::kPortModePresetByteBuffer;
     mSecureBufferType[0] = kSecureBufferTypeUnknown;
     mSecureBufferType[1] = kSecureBufferTypeUnknown;
+    mGraphicBufferEnabled[0] = false;
+    mGraphicBufferEnabled[1] = false;
     mIsSecure = AString(name).endsWith(".secure");
     mLegacyAdaptiveExperiment = ADebug::isExperimentEnabled("legacy-adaptive");
 }
@@ -677,6 +679,11 @@
         return BAD_VALUE;
     }
 
+    if (mSailed || mNumPortBuffers[portIndex] > 0) {
+        android_errorWriteLog(0x534e4554, "29422020");
+        return INVALID_OPERATION;
+    }
+
     CLOG_CONFIG(setPortMode, "%s(%d), port %d", asString(mode), mode, portIndex);
 
     switch (mode) {
@@ -808,6 +815,12 @@
             } else if (mSecureBufferType[portIndex] == kSecureBufferTypeUnknown) {
                 mSecureBufferType[portIndex] = kSecureBufferTypeOpaque;
             }
+        } else {
+            if (err == OMX_ErrorNone) {
+                mGraphicBufferEnabled[portIndex] = enable;
+            } else if (enable) {
+                mGraphicBufferEnabled[portIndex] = false;
+            }
         }
     } else {
         CLOG_ERROR_IF(enable, getExtensionIndex, err, "%s", name);
@@ -1076,6 +1089,12 @@
     OMX_ERRORTYPE err = OMX_ErrorNone;
     bool isMetadata = mMetadataType[portIndex] != kMetadataBufferTypeInvalid;
 
+    if (!isMetadata && mGraphicBufferEnabled[portIndex]) {
+        ALOGE("b/62948670");
+        android_errorWriteLog(0x534e4554, "62948670");
+        return INVALID_OPERATION;
+    }
+
     size_t paramsSize;
     void* paramsPointer;
     if (params != NULL && hParams != NULL) {
@@ -1261,6 +1280,13 @@
                 portIndex, graphicBuffer, buffer);
     }
 
+    if (!mGraphicBufferEnabled[portIndex]) {
+        // Report error if this is not in graphic buffer mode.
+        ALOGE("b/62948670");
+        android_errorWriteLog(0x534e4554, "62948670");
+        return INVALID_OPERATION;
+    }
+
     // See if the newer version of the extension is present.
     OMX_INDEXTYPE index;
     if (OMX_GetExtensionIndex(
diff --git a/media/libstagefright/omx/include/media/stagefright/omx/OMXNodeInstance.h b/media/libstagefright/omx/include/media/stagefright/omx/OMXNodeInstance.h
index 19114e2..1065ca5 100644
--- a/media/libstagefright/omx/include/media/stagefright/omx/OMXNodeInstance.h
+++ b/media/libstagefright/omx/include/media/stagefright/omx/OMXNodeInstance.h
@@ -152,7 +152,7 @@
 
     bool mLegacyAdaptiveExperiment;
     IOMX::PortMode mPortMode[2];
-    // metadata and secure buffer type tracking
+    // metadata and secure buffer types and graphic buffer mode tracking
     MetadataBufferType mMetadataType[2];
     enum SecureBufferType {
         kSecureBufferTypeUnknown,
@@ -160,6 +160,7 @@
         kSecureBufferTypeNativeHandle,
     };
     SecureBufferType mSecureBufferType[2];
+    bool mGraphicBufferEnabled[2];
 
     // Following are OMX parameters managed by us (instead of the component)
     // OMX_IndexParamMaxFrameDurationForBitrateControl
diff --git a/media/mtp/MtpFfsHandle.cpp b/media/mtp/MtpFfsHandle.cpp
index dbca53e..8d894c1 100644
--- a/media/mtp/MtpFfsHandle.cpp
+++ b/media/mtp/MtpFfsHandle.cpp
@@ -62,6 +62,8 @@
 constexpr int USB_FFS_MAX_WRITE = MTP_BUFFER_SIZE;
 constexpr int USB_FFS_MAX_READ = MTP_BUFFER_SIZE;
 
+constexpr unsigned FFS_NUM_EVENTS = 5;
+
 static_assert(USB_FFS_MAX_WRITE > 0, "Max r/w values must be > 0!");
 static_assert(USB_FFS_MAX_READ > 0, "Max r/w values must be > 0!");
 
@@ -315,6 +317,11 @@
     .Reserved2 = {0},
 };
 
+struct mtp_device_status {
+    uint16_t  wLength;
+    uint16_t  wCode;
+};
+
 } // anonymous namespace
 
 namespace android {
@@ -392,6 +399,88 @@
     mControl.reset();
 }
 
+void MtpFfsHandle::controlLoop() {
+    while (!handleEvent()) {}
+    LOG(DEBUG) << "Mtp server shutting down";
+}
+
+int MtpFfsHandle::handleEvent() {
+    std::vector<usb_functionfs_event> events(FFS_NUM_EVENTS);
+    usb_functionfs_event *event = events.data();
+    int nbytes = TEMP_FAILURE_RETRY(::read(mControl, event,
+                events.size() * sizeof(usb_functionfs_event)));
+    if (nbytes == -1) {
+        return -1;
+    }
+    int ret = 0;
+    for (size_t n = nbytes / sizeof *event; n; --n, ++event) {
+        switch (event->type) {
+        case FUNCTIONFS_BIND:
+        case FUNCTIONFS_ENABLE:
+        case FUNCTIONFS_RESUME:
+            ret = 0;
+            errno = 0;
+            break;
+        case FUNCTIONFS_SUSPEND:
+        case FUNCTIONFS_UNBIND:
+        case FUNCTIONFS_DISABLE:
+            errno = ESHUTDOWN;
+            ret = -1;
+            break;
+        case FUNCTIONFS_SETUP:
+            if (handleControlRequest(&event->u.setup) == -1)
+                ret = -1;
+            break;
+        default:
+            LOG(DEBUG) << "Mtp Event " << event->type << " (unknown)";
+        }
+    }
+    return ret;
+}
+
+int MtpFfsHandle::handleControlRequest(const struct usb_ctrlrequest *setup) {
+    uint8_t type = setup->bRequestType;
+    uint8_t code = setup->bRequest;
+    uint16_t length = setup->wLength;
+    uint16_t index = setup->wIndex;
+    uint16_t value = setup->wValue;
+    std::vector<char> buf;
+    buf.resize(length);
+
+    if (!(type & USB_DIR_IN)) {
+        if (::read(mControl, buf.data(), length) != length) {
+            PLOG(DEBUG) << "Mtp error ctrlreq read data";
+        }
+    }
+
+    if ((type & USB_TYPE_MASK) == USB_TYPE_CLASS && index == 0 && value == 0) {
+        switch(code) {
+        case MTP_REQ_GET_DEVICE_STATUS:
+        {
+            if (length < sizeof(struct mtp_device_status)) {
+                return -1;
+            }
+            struct mtp_device_status *st = reinterpret_cast<struct mtp_device_status*>(buf.data());
+            st->wLength = htole16(sizeof(st));
+            st->wCode = MTP_RESPONSE_OK;
+            length = st->wLength;
+            break;
+        }
+        default:
+            LOG(DEBUG) << "Unrecognized Mtp class request! " << code;
+        }
+    } else {
+        LOG(DEBUG) << "Unrecognized request type " << type;
+    }
+
+    if (type & USB_DIR_IN) {
+        if (::write(mControl, buf.data(), length) != length) {
+            PLOG(DEBUG) << "Mtp error ctrlreq write data";
+        }
+    }
+    return 0;
+}
+
 int MtpFfsHandle::writeHandle(int fd, const void* data, int len) {
     LOG(VERBOSE) << "MTP about to write fd = " << fd << ", len=" << len;
     int ret = 0;
@@ -491,6 +580,10 @@
     posix_madvise(mBuffer2.data(), MAX_FILE_CHUNK_SIZE,
             POSIX_MADV_SEQUENTIAL | POSIX_MADV_WILLNEED);
 
+    // Handle control requests.
+    std::thread t([this]() { this->controlLoop(); });
+    t.detach();
+
     // Get device specific r/w size
     mMaxWrite = android::base::GetIntProperty("sys.usb.ffs.max_write", USB_FFS_MAX_WRITE);
     mMaxRead = android::base::GetIntProperty("sys.usb.ffs.max_read", USB_FFS_MAX_READ);
diff --git a/media/mtp/MtpFfsHandle.h b/media/mtp/MtpFfsHandle.h
index b637d65..da0cd9f 100644
--- a/media/mtp/MtpFfsHandle.h
+++ b/media/mtp/MtpFfsHandle.h
@@ -35,6 +35,10 @@
     void closeEndpoints();
     void doSendEvent(mtp_event me);
 
+    void controlLoop();
+    int handleEvent();
+    int handleControlRequest(const struct usb_ctrlrequest *setup);
+
     bool mPtp;
 
     std::timed_mutex mLock;
diff --git a/media/mtp/mtp.h b/media/mtp/mtp.h
index 13cc859..1c7829d 100644
--- a/media/mtp/mtp.h
+++ b/media/mtp/mtp.h
@@ -494,4 +494,10 @@
 #define MTP_ASSOCIATION_TYPE_UNDEFINED              0x0000
 #define MTP_ASSOCIATION_TYPE_GENERIC_FOLDER         0x0001
 
+// MTP class reqeusts
+#define MTP_REQ_CANCEL              0x64
+#define MTP_REQ_GET_EXT_EVENT_DATA  0x65
+#define MTP_REQ_RESET               0x66
+#define MTP_REQ_GET_DEVICE_STATUS   0x67
+
 #endif // _MTP_H
diff --git a/services/audiopolicy/service/AudioPolicyInterfaceImpl.cpp b/services/audiopolicy/service/AudioPolicyInterfaceImpl.cpp
index 1d4386c..b7bce55 100644
--- a/services/audiopolicy/service/AudioPolicyInterfaceImpl.cpp
+++ b/services/audiopolicy/service/AudioPolicyInterfaceImpl.cpp
@@ -694,6 +694,7 @@
                                        audio_io_handle_t *ioHandle,
                                        audio_devices_t *device)
 {
+    Mutex::Autolock _l(mLock);
     if (mAudioPolicyManager == NULL) {
         return NO_INIT;
     }
@@ -703,6 +704,7 @@
 
 status_t AudioPolicyService::releaseSoundTriggerSession(audio_session_t session)
 {
+    Mutex::Autolock _l(mLock);
     if (mAudioPolicyManager == NULL) {
         return NO_INIT;
     }
diff --git a/services/camera/libcameraservice/device1/CameraHardwareInterface.cpp b/services/camera/libcameraservice/device1/CameraHardwareInterface.cpp
index 991b50f..f539ac1 100644
--- a/services/camera/libcameraservice/device1/CameraHardwareInterface.cpp
+++ b/services/camera/libcameraservice/device1/CameraHardwareInterface.cpp
@@ -97,11 +97,13 @@
         ALOGE("%s: CameraHeapMemory has FD %d (expect >= 0)", __FUNCTION__, memPoolId);
         return 0;
     }
+    std::lock_guard<std::mutex> lock(mHidlMemPoolMapLock);
     mHidlMemPoolMap.insert(std::make_pair(memPoolId, mem));
     return memPoolId;
 }
 
 hardware::Return<void> CameraHardwareInterface::unregisterMemory(uint32_t memId) {
+    std::lock_guard<std::mutex> lock(mHidlMemPoolMapLock);
     if (mHidlMemPoolMap.count(memId) == 0) {
         ALOGE("%s: memory pool ID %d not found", __FUNCTION__, memId);
         return hardware::Void();
@@ -115,6 +117,7 @@
 hardware::Return<void> CameraHardwareInterface::dataCallback(
         DataCallbackMsg msgType, uint32_t data, uint32_t bufferIndex,
         const hardware::camera::device::V1_0::CameraFrameMetadata& metadata) {
+    std::lock_guard<std::mutex> lock(mHidlMemPoolMapLock);
     if (mHidlMemPoolMap.count(data) == 0) {
         ALOGE("%s: memory pool ID %d not found", __FUNCTION__, data);
         return hardware::Void();
@@ -129,6 +132,7 @@
 hardware::Return<void> CameraHardwareInterface::dataCallbackTimestamp(
         DataCallbackMsg msgType, uint32_t data,
         uint32_t bufferIndex, int64_t timestamp) {
+    std::lock_guard<std::mutex> lock(mHidlMemPoolMapLock);
     if (mHidlMemPoolMap.count(data) == 0) {
         ALOGE("%s: memory pool ID %d not found", __FUNCTION__, data);
         return hardware::Void();
@@ -140,6 +144,7 @@
 hardware::Return<void> CameraHardwareInterface::handleCallbackTimestamp(
         DataCallbackMsg msgType, const hidl_handle& frameData, uint32_t data,
         uint32_t bufferIndex, int64_t timestamp) {
+    std::lock_guard<std::mutex> lock(mHidlMemPoolMapLock);
     if (mHidlMemPoolMap.count(data) == 0) {
         ALOGE("%s: memory pool ID %d not found", __FUNCTION__, data);
         return hardware::Void();
@@ -158,6 +163,7 @@
     std::vector<android::HandleTimestampMessage> msgs;
     msgs.reserve(messages.size());
 
+    std::lock_guard<std::mutex> lock(mHidlMemPoolMapLock);
     for (const auto& hidl_msg : messages) {
         if (mHidlMemPoolMap.count(hidl_msg.data) == 0) {
             ALOGE("%s: memory pool ID %d not found", __FUNCTION__, hidl_msg.data);
diff --git a/services/camera/libcameraservice/device1/CameraHardwareInterface.h b/services/camera/libcameraservice/device1/CameraHardwareInterface.h
index 6a1b4fb..e519b04 100644
--- a/services/camera/libcameraservice/device1/CameraHardwareInterface.h
+++ b/services/camera/libcameraservice/device1/CameraHardwareInterface.h
@@ -479,6 +479,7 @@
     uint64_t mNextBufferId = 1;
     static const uint64_t BUFFER_ID_NO_BUFFER = 0;
 
+    std::mutex mHidlMemPoolMapLock; // protecting mHidlMemPoolMap
     std::unordered_map<int, camera_memory_t*> mHidlMemPoolMap;
 };