diff --git a/media/libeffects/visualizer/EffectVisualizer.cpp b/media/libeffects/visualizer/EffectVisualizer.cpp
index 5bdaa03..47cab62 100644
--- a/media/libeffects/visualizer/EffectVisualizer.cpp
+++ b/media/libeffects/visualizer/EffectVisualizer.cpp
@@ -16,8 +16,9 @@
 
 #define LOG_TAG "EffectVisualizer"
 //#define LOG_NDEBUG 0
-#include <cutils/log.h>
+#include <log/log.h>
 #include <assert.h>
+#include <inttypes.h>
 #include <stdlib.h>
 #include <string.h>
 #include <new>
@@ -226,8 +227,8 @@
 //
 
 int VisualizerLib_Create(const effect_uuid_t *uuid,
-                         int32_t sessionId,
-                         int32_t ioId,
+                         int32_t /*sessionId*/,
+                         int32_t /*ioId*/,
                          effect_handle_t *pHandle) {
     int ret;
     int i;
@@ -418,7 +419,7 @@
         return -EINVAL;
     }
 
-//    ALOGV("Visualizer_command command %d cmdSize %d",cmdCode, cmdSize);
+//    ALOGV("Visualizer_command command %" PRIu32 " cmdSize %" PRIu32, cmdCode, cmdSize);
 
     switch (cmdCode) {
     case EFFECT_CMD_INIT:
@@ -484,19 +485,19 @@
         }
         switch (*(uint32_t *)p->data) {
         case VISUALIZER_PARAM_CAPTURE_SIZE:
-            ALOGV("get mCaptureSize = %d", pContext->mCaptureSize);
+            ALOGV("get mCaptureSize = %" PRIu32, pContext->mCaptureSize);
             *((uint32_t *)p->data + 1) = pContext->mCaptureSize;
             p->vsize = sizeof(uint32_t);
             *replySize += sizeof(uint32_t);
             break;
         case VISUALIZER_PARAM_SCALING_MODE:
-            ALOGV("get mScalingMode = %d", pContext->mScalingMode);
+            ALOGV("get mScalingMode = %" PRIu32, pContext->mScalingMode);
             *((uint32_t *)p->data + 1) = pContext->mScalingMode;
             p->vsize = sizeof(uint32_t);
             *replySize += sizeof(uint32_t);
             break;
         case VISUALIZER_PARAM_MEASUREMENT_MODE:
-            ALOGV("get mMeasurementMode = %d", pContext->mMeasurementMode);
+            ALOGV("get mMeasurementMode = %" PRIu32, pContext->mMeasurementMode);
             *((uint32_t *)p->data + 1) = pContext->mMeasurementMode;
             p->vsize = sizeof(uint32_t);
             *replySize += sizeof(uint32_t);
@@ -520,19 +521,19 @@
         switch (*(uint32_t *)p->data) {
         case VISUALIZER_PARAM_CAPTURE_SIZE:
             pContext->mCaptureSize = *((uint32_t *)p->data + 1);
-            ALOGV("set mCaptureSize = %d", pContext->mCaptureSize);
+            ALOGV("set mCaptureSize = %" PRIu32, pContext->mCaptureSize);
             break;
         case VISUALIZER_PARAM_SCALING_MODE:
             pContext->mScalingMode = *((uint32_t *)p->data + 1);
-            ALOGV("set mScalingMode = %d", pContext->mScalingMode);
+            ALOGV("set mScalingMode = %" PRIu32, pContext->mScalingMode);
             break;
         case VISUALIZER_PARAM_LATENCY:
             pContext->mLatency = *((uint32_t *)p->data + 1);
-            ALOGV("set mLatency = %d", pContext->mLatency);
+            ALOGV("set mLatency = %" PRIu32, pContext->mLatency);
             break;
         case VISUALIZER_PARAM_MEASUREMENT_MODE:
             pContext->mMeasurementMode = *((uint32_t *)p->data + 1);
-            ALOGV("set mMeasurementMode = %d", pContext->mMeasurementMode);
+            ALOGV("set mMeasurementMode = %" PRIu32, pContext->mMeasurementMode);
             break;
         default:
             *(int32_t *)pReplyData = -EINVAL;
@@ -545,9 +546,9 @@
 
 
     case VISUALIZER_CMD_CAPTURE: {
-        int32_t captureSize = pContext->mCaptureSize;
+        uint32_t captureSize = pContext->mCaptureSize;
         if (pReplyData == NULL || *replySize != captureSize) {
-            ALOGV("VISUALIZER_CMD_CAPTURE() error *replySize %d captureSize %d",
+            ALOGV("VISUALIZER_CMD_CAPTURE() error *replySize %" PRIu32 " captureSize %" PRIu32,
                     *replySize, captureSize);
             return -EINVAL;
         }
@@ -573,7 +574,7 @@
                 int32_t capturePoint = pContext->mCaptureIdx - captureSize - deltaSmpl;
 
                 if (capturePoint < 0) {
-                    int32_t size = -capturePoint;
+                    uint32_t size = -capturePoint;
                     if (size > captureSize) {
                         size = captureSize;
                     }
@@ -604,7 +605,7 @@
         // measurements aren't relevant anymore and shouldn't bias the new one)
         const int32_t delayMs = Visualizer_getDeltaTimeMsFromUpdatedTime(pContext);
         if (delayMs > DISCARD_MEASUREMENTS_TIME_MS) {
-            ALOGV("Discarding measurements, last measurement is %dms old", delayMs);
+            ALOGV("Discarding measurements, last measurement is %" PRId32 "ms old", delayMs);
             for (uint32_t i=0 ; i<pContext->mMeasurementWindowSizeInBuffers ; i++) {
                 pContext->mPastMeasurements[i].mIsValid = false;
                 pContext->mPastMeasurements[i].mPeakU16 = 0;
@@ -638,14 +639,14 @@
         } else {
             pIntReplyData[MEASUREMENT_IDX_PEAK] = (int32_t) (2000 * log10(peakU16 / 32767.0f));
         }
-        ALOGV("VISUALIZER_CMD_MEASURE peak=%d (%dmB), rms=%.1f (%dmB)",
+        ALOGV("VISUALIZER_CMD_MEASURE peak=%" PRIu16 " (%" PRId32 "mB), rms=%.1f (%" PRId32 "mB)",
                 peakU16, pIntReplyData[MEASUREMENT_IDX_PEAK],
                 rms, pIntReplyData[MEASUREMENT_IDX_RMS]);
         }
         break;
 
     default:
-        ALOGW("Visualizer_command invalid command %d",cmdCode);
+        ALOGW("Visualizer_command invalid command %" PRIu32, cmdCode);
         return -EINVAL;
     }