Merge "Remove reference to libc_logging."
diff --git a/cmds/stagefright/stagefright.cpp b/cmds/stagefright/stagefright.cpp
index 2bb35cb..08d2064 100644
--- a/cmds/stagefright/stagefright.cpp
+++ b/cmds/stagefright/stagefright.cpp
@@ -159,7 +159,7 @@
                        1,
                        mbuf->range_length(),
                        out),
-                (ssize_t)mbuf->range_length());
+                mbuf->range_length());
 
         mbuf->release();
         mbuf = NULL;
diff --git a/include/media/stagefright/DataSource.h b/include/media/stagefright/DataSource.h
index 052b9b7..ca21719 100644
--- a/include/media/stagefright/DataSource.h
+++ b/include/media/stagefright/DataSource.h
@@ -165,7 +165,7 @@
         if (numBytesRead == -1) { // If readAt() returns -1, there is an error.
             return false;
         }
-        if (numBytesRead < numBytesPerChunk) {
+        if (static_cast<size_t>(numBytesRead) < numBytesPerChunk) {
             // This case is triggered when the stream ends before the whole
             // chunk is read.
             x->appendArray(tmp, (size_t)numBytesRead / sizeof(T));
diff --git a/include/media/stagefright/MediaBuffer.h b/include/media/stagefright/MediaBuffer.h
index 2c0ebe7..e74410d 100644
--- a/include/media/stagefright/MediaBuffer.h
+++ b/include/media/stagefright/MediaBuffer.h
@@ -223,7 +223,7 @@
         // Caution: atomic_int_fast32_t is 64 bits on LP64.
         std::atomic_int_least32_t mFlags;
         std::atomic_int_least32_t mRemoteRefcount;
-        int32_t unused[6]; // additional buffer space
+        int32_t unused[6] __attribute__((__unused__)); // additional buffer space
     };
 
     inline SharedControl *getSharedControl() const {
diff --git a/include/media/stagefright/SurfaceMediaSource.h b/include/media/stagefright/SurfaceMediaSource.h
index ca3a3bf..2c11e84 100644
--- a/include/media/stagefright/SurfaceMediaSource.h
+++ b/include/media/stagefright/SurfaceMediaSource.h
@@ -107,8 +107,8 @@
     void setFrameAvailableListener(const sp<FrameAvailableListener>& listener);
 
     // dump our state in a String
-    void dump(String8& result) const;
-    void dump(String8& result, const char* prefix, char* buffer,
+    void dumpState(String8& result) const;
+    void dumpState(String8& result, const char* prefix, char* buffer,
                                                     size_t SIZE) const;
 
     // metaDataStoredInVideoBuffers tells the encoder what kind of metadata
diff --git a/include/media/stagefright/foundation/ADebug.h b/include/media/stagefright/foundation/ADebug.h
index 564b3f7..bc1acdc 100644
--- a/include/media/stagefright/foundation/ADebug.h
+++ b/include/media/stagefright/foundation/ADebug.h
@@ -53,6 +53,9 @@
 #define LITERAL_TO_STRING_INTERNAL(x)    #x
 #define LITERAL_TO_STRING(x) LITERAL_TO_STRING_INTERNAL(x)
 
+#ifdef CHECK
+#undef CHECK
+#endif
 #define CHECK(condition)                                \
     LOG_ALWAYS_FATAL_IF(                                \
             !(condition),                               \
@@ -92,6 +95,15 @@
         }                                                               \
     } while (false)
 
+#ifdef CHECK_EQ
+#undef CHECK_EQ
+#undef CHECK_NE
+#undef CHECK_LE
+#undef CHECK_LT
+#undef CHECK_GE
+#undef CHECK_GT
+#endif
+
 #define CHECK_EQ(x,y)   CHECK_OP(x,y,EQ,==)
 #define CHECK_NE(x,y)   CHECK_OP(x,y,NE,!=)
 #define CHECK_LE(x,y)   CHECK_OP(x,y,LE,<=)
diff --git a/include/private/media/AudioTrackShared.h b/include/private/media/AudioTrackShared.h
index 7becf57..9da5ef3 100644
--- a/include/private/media/AudioTrackShared.h
+++ b/include/private/media/AudioTrackShared.h
@@ -172,7 +172,7 @@
                 // client write-only, server read-only
                 uint16_t    mSendLevel;      // Fixed point U4.12 so 0x1000 means 1.0
 
-                uint16_t    mPad2;           // unused
+                uint16_t    mPad2 __attribute__((__unused__)); // unused
 
                 // server write-only, client read
                 ExtendedTimestampQueue::Shared mExtendedTimestampQueue;
diff --git a/include/private/media/VideoFrame.h b/include/private/media/VideoFrame.h
index 5193d00..51050cd 100644
--- a/include/private/media/VideoFrame.h
+++ b/include/private/media/VideoFrame.h
@@ -30,8 +30,8 @@
 class VideoFrame
 {
 public:
-    VideoFrame(): mWidth(0), mHeight(0), mDisplayWidth(0), mDisplayHeight(0), mSize(0), mData(0),
-            mRotationAngle(0) {}
+    VideoFrame(): mWidth(0), mHeight(0), mDisplayWidth(0), mDisplayHeight(0), mSize(0),
+            mRotationAngle(0), mData(0) {}
 
     VideoFrame(const VideoFrame& copy) {
         mWidth = copy.mWidth;
diff --git a/include/radio/Radio.h b/include/radio/Radio.h
index a4dfdd1..fb4dd2f 100644
--- a/include/radio/Radio.h
+++ b/include/radio/Radio.h
@@ -79,7 +79,6 @@
 
             Mutex                   mLock;
             sp<IRadio>              mIRadio;
-            const radio_handle_t    mHandle;
             sp<RadioCallback>       mCallback;
 };
 
diff --git a/include/soundtrigger/SoundTrigger.h b/include/soundtrigger/SoundTrigger.h
index 9a05cac..7a29e31 100644
--- a/include/soundtrigger/SoundTrigger.h
+++ b/include/soundtrigger/SoundTrigger.h
@@ -72,7 +72,6 @@
 
             Mutex                               mLock;
             sp<ISoundTrigger>                   mISoundTrigger;
-            const sound_trigger_module_handle_t mModule;
             sp<SoundTriggerCallback>            mCallback;
 };
 
diff --git a/media/libcpustats/Android.bp b/media/libcpustats/Android.bp
new file mode 100644
index 0000000..3ea96c9
--- /dev/null
+++ b/media/libcpustats/Android.bp
@@ -0,0 +1,13 @@
+cc_library_static {
+    name: "libcpustats",
+
+    srcs: [
+        "CentralTendencyStatistics.cpp",
+        "ThreadCpuUsage.cpp",
+    ],
+
+    cflags: [
+        "-Werror",
+        "-Wall",
+    ],
+}
diff --git a/media/libcpustats/Android.mk b/media/libcpustats/Android.mk
deleted file mode 100644
index b2d73ee..0000000
--- a/media/libcpustats/Android.mk
+++ /dev/null
@@ -1,13 +0,0 @@
-LOCAL_PATH := $(call my-dir)
-
-include $(CLEAR_VARS)
-
-LOCAL_SRC_FILES :=     \
-        CentralTendencyStatistics.cpp \
-        ThreadCpuUsage.cpp
-
-LOCAL_MODULE := libcpustats
-
-LOCAL_CFLAGS := -Werror -Wall
-
-include $(BUILD_STATIC_LIBRARY)
diff --git a/media/libmedia/MediaCodecInfo.cpp b/media/libmedia/MediaCodecInfo.cpp
index 1b3b3eb..2bc5984 100644
--- a/media/libmedia/MediaCodecInfo.cpp
+++ b/media/libmedia/MediaCodecInfo.cpp
@@ -85,13 +85,13 @@
 }
 
 status_t MediaCodecInfo::Capabilities::writeToParcel(Parcel *parcel) const {
-    CHECK_LE(mProfileLevels.size(), INT32_MAX);
+    CHECK_LE(mProfileLevels.size(), static_cast<size_t>(INT32_MAX));
     parcel->writeInt32(mProfileLevels.size());
     for (size_t i = 0; i < mProfileLevels.size(); i++) {
         parcel->writeInt32(mProfileLevels.itemAt(i).mProfile);
         parcel->writeInt32(mProfileLevels.itemAt(i).mLevel);
     }
-    CHECK_LE(mColorFormats.size(), INT32_MAX);
+    CHECK_LE(mColorFormats.size(), static_cast<size_t>(INT32_MAX));
     parcel->writeInt32(mColorFormats.size());
     for (size_t i = 0; i < mColorFormats.size(); i++) {
         parcel->writeInt32(mColorFormats.itemAt(i));
diff --git a/media/libmediaplayerservice/nuplayer/NuPlayerRenderer.cpp b/media/libmediaplayerservice/nuplayer/NuPlayerRenderer.cpp
index b742762..f8453eb 100644
--- a/media/libmediaplayerservice/nuplayer/NuPlayerRenderer.cpp
+++ b/media/libmediaplayerservice/nuplayer/NuPlayerRenderer.cpp
@@ -1028,7 +1028,7 @@
             // (Case 1)
             // Must be a multiple of the frame size.  If it is not a multiple of a frame size, it
             // needs to fail, as we should not carry over fractional frames between calls.
-            CHECK_EQ(copy % mAudioSink->frameSize(), 0);
+            CHECK_EQ(copy % mAudioSink->frameSize(), 0u);
 
             // (Case 2, 3, 4)
             // Return early to the caller.
diff --git a/media/libmediaplayerservice/nuplayer/RTSPSource.cpp b/media/libmediaplayerservice/nuplayer/RTSPSource.cpp
index c4e5df7..79e157f 100644
--- a/media/libmediaplayerservice/nuplayer/RTSPSource.cpp
+++ b/media/libmediaplayerservice/nuplayer/RTSPSource.cpp
@@ -477,7 +477,7 @@
         return;
     }
 
-    CHECK_EQ(msg->what(), (int)kWhatNotify);
+    CHECK_EQ(msg->what(), kWhatNotify);
 
     int32_t what;
     CHECK(msg->findInt32("what", &what));
diff --git a/media/libstagefright/MPEG2TSWriter.cpp b/media/libstagefright/MPEG2TSWriter.cpp
index 931b280..dc4e32c 100644
--- a/media/libstagefright/MPEG2TSWriter.cpp
+++ b/media/libstagefright/MPEG2TSWriter.cpp
@@ -739,7 +739,7 @@
     uint32_t crc = htonl(crc32(&buffer->data()[5], 12));
     memcpy(&buffer->data()[17], &crc, sizeof(crc));
 
-    CHECK_EQ(internalWrite(buffer->data(), buffer->size()), buffer->size());
+    CHECK_EQ(internalWrite(buffer->data(), buffer->size()), (ssize_t)buffer->size());
 }
 
 void MPEG2TSWriter::writeProgramMap() {
@@ -815,7 +815,7 @@
     uint32_t crc = htonl(crc32(&buffer->data()[5], 12+mSources.size()*5));
     memcpy(&buffer->data()[17+mSources.size()*5], &crc, sizeof(crc));
 
-    CHECK_EQ(internalWrite(buffer->data(), buffer->size()), buffer->size());
+    CHECK_EQ(internalWrite(buffer->data(), buffer->size()), (ssize_t)buffer->size());
 }
 
 void MPEG2TSWriter::writeAccessUnit(
@@ -920,7 +920,7 @@
 
     memcpy(ptr, accessUnit->data(), copy);
 
-    CHECK_EQ(internalWrite(buffer->data(), buffer->size()), buffer->size());
+    CHECK_EQ(internalWrite(buffer->data(), buffer->size()), (ssize_t)buffer->size());
 
     size_t offset = copy;
     while (offset < accessUnit->size()) {
@@ -966,7 +966,7 @@
 
         memcpy(ptr, accessUnit->data() + offset, copy);
         CHECK_EQ(internalWrite(buffer->data(), buffer->size()),
-                 buffer->size());
+                 (ssize_t)buffer->size());
 
         offset += copy;
     }
diff --git a/media/libstagefright/MPEG4Writer.cpp b/media/libstagefright/MPEG4Writer.cpp
index 9de5c26..5cf5863 100755
--- a/media/libstagefright/MPEG4Writer.cpp
+++ b/media/libstagefright/MPEG4Writer.cpp
@@ -133,7 +133,7 @@
             mTotalNumTableEntries(0),
             mNumValuesInCurrEntry(0),
             mCurrTableEntriesElement(NULL) {
-            CHECK_GT(mElementCapacity, 0);
+            CHECK_GT(mElementCapacity, 0u);
             // Ensure no integer overflow on allocation in add().
             CHECK_LT(ENTRY_SIZE, UINT32_MAX / mElementCapacity);
         }
@@ -161,7 +161,7 @@
                 --iterations;
             }
             CHECK(it != mTableEntryList.end());
-            CHECK_EQ(iterations, 0);
+            CHECK_EQ(iterations, 0u);
 
             (*it)[(pos % (mElementCapacity * ENTRY_SIZE))] = value;
         }
@@ -182,7 +182,7 @@
                 --iterations;
             }
             CHECK(it != mTableEntryList.end());
-            CHECK_EQ(iterations, 0);
+            CHECK_EQ(iterations, 0u);
 
             value = (*it)[(pos % (mElementCapacity * ENTRY_SIZE))];
             return true;
@@ -230,12 +230,12 @@
         // 2. followed by the values in the table enties in order
         // @arg writer the writer to actual write to the storage
         void write(MPEG4Writer *writer) const {
-            CHECK_EQ(mNumValuesInCurrEntry % ENTRY_SIZE, 0);
+            CHECK_EQ(mNumValuesInCurrEntry % ENTRY_SIZE, 0u);
             uint32_t nEntries = mTotalNumTableEntries;
             writer->writeInt32(nEntries);
             for (typename List<TYPE *>::iterator it = mTableEntryList.begin();
                 it != mTableEntryList.end(); ++it) {
-                CHECK_GT(nEntries, 0);
+                CHECK_GT(nEntries, 0u);
                 if (nEntries >= mElementCapacity) {
                     writer->write(*it, sizeof(TYPE) * ENTRY_SIZE, mElementCapacity);
                     nEntries -= mElementCapacity;
@@ -1237,7 +1237,7 @@
 
         mOffset += length + 4;
     } else {
-        CHECK_LT(length, 65536);
+        CHECK_LT(length, 65536u);
 
         uint8_t x = length >> 8;
         ::write(mFd, &x, 1);
@@ -1297,7 +1297,7 @@
 }
 
 void MPEG4Writer::beginBox(const char *fourcc) {
-    CHECK_EQ(strlen(fourcc), 4);
+    CHECK_EQ(strlen(fourcc), 4u);
 
     mBoxes.push_back(mWriteMoovBoxToMemory?
             mMoovBoxBufferOffset: mOffset);
@@ -1348,7 +1348,7 @@
 }
 
 void MPEG4Writer::writeFourcc(const char *s) {
-    CHECK_EQ(strlen(s), 4);
+    CHECK_EQ(strlen(s), 4u);
     write(s, 1, 4);
 }
 
@@ -3129,10 +3129,10 @@
 void MPEG4Writer::Track::writeMp4aEsdsBox() {
     mOwner->beginBox("esds");
     CHECK(mCodecSpecificData);
-    CHECK_GT(mCodecSpecificDataSize, 0);
+    CHECK_GT(mCodecSpecificDataSize, 0u);
 
     // Make sure all sizes encode to a single byte.
-    CHECK_LT(mCodecSpecificDataSize + 23, 128);
+    CHECK_LT(mCodecSpecificDataSize + 23, 128u);
 
     mOwner->writeInt32(0);     // version=0, flags=0
     mOwner->writeInt8(0x03);   // ES_DescrTag
@@ -3171,10 +3171,10 @@
 
 void MPEG4Writer::Track::writeMp4vEsdsBox() {
     CHECK(mCodecSpecificData);
-    CHECK_GT(mCodecSpecificDataSize, 0);
+    CHECK_GT(mCodecSpecificDataSize, 0u);
 
     // Make sure all sizes encode to a single byte.
-    CHECK_LT(23 + mCodecSpecificDataSize, 128);
+    CHECK_LT(23 + mCodecSpecificDataSize, 128u);
 
     mOwner->beginBox("esds");
 
@@ -3349,7 +3349,7 @@
 
 void MPEG4Writer::Track::writeAvccBox() {
     CHECK(mCodecSpecificData);
-    CHECK_GE(mCodecSpecificDataSize, 5);
+    CHECK_GE(mCodecSpecificDataSize, 5u);
 
     // Patch avcc's lengthSize field to match the number
     // of bytes we use to indicate the size of a nal unit.
@@ -3363,7 +3363,7 @@
 
 void MPEG4Writer::Track::writeHvccBox() {
     CHECK(mCodecSpecificData);
-    CHECK_GE(mCodecSpecificDataSize, 5);
+    CHECK_GE(mCodecSpecificDataSize, 5u);
 
     // Patch avcc's lengthSize field to match the number
     // of bytes we use to indicate the size of a nal unit.
diff --git a/media/libstagefright/SampleIterator.cpp b/media/libstagefright/SampleIterator.cpp
index 4134698..4f31c5f 100644
--- a/media/libstagefright/SampleIterator.cpp
+++ b/media/libstagefright/SampleIterator.cpp
@@ -282,7 +282,7 @@
 
         default:
         {
-            CHECK_EQ(mTable->mSampleSizeFieldSize, 4);
+            CHECK_EQ(mTable->mSampleSizeFieldSize, 4u);
 
             uint8_t x;
             if (mTable->mDataSource->readAt(
diff --git a/media/libstagefright/SurfaceMediaSource.cpp b/media/libstagefright/SurfaceMediaSource.cpp
index 4f1ef30..eadab86 100644
--- a/media/libstagefright/SurfaceMediaSource.cpp
+++ b/media/libstagefright/SurfaceMediaSource.cpp
@@ -97,13 +97,13 @@
     mFrameAvailableListener = listener;
 }
 
-void SurfaceMediaSource::dump(String8& result) const
+void SurfaceMediaSource::dumpState(String8& result) const
 {
     char buffer[1024];
-    dump(result, "", buffer, 1024);
+    dumpState(result, "", buffer, 1024);
 }
 
-void SurfaceMediaSource::dump(
+void SurfaceMediaSource::dumpState(
         String8& result,
         const char* /* prefix */,
         char* buffer,
@@ -167,7 +167,7 @@
         mMaxAcquiredBufferCount = bufferCount;
     }
 
-    CHECK_GT(mMaxAcquiredBufferCount, 1);
+    CHECK_GT(mMaxAcquiredBufferCount, 1u);
 
     status_t err =
         mConsumer->setMaxAcquiredBufferCount(mMaxAcquiredBufferCount);
@@ -186,7 +186,7 @@
     ALOGV("setMaxAcquiredBufferCount(%zu)", count);
     Mutex::Autolock lock(mMutex);
 
-    CHECK_GT(count, 1);
+    CHECK_GT(count, 1u);
     mMaxAcquiredBufferCount = count;
 
     return OK;
diff --git a/media/libstagefright/codecs/aacenc/AACEncoder.cpp b/media/libstagefright/codecs/aacenc/AACEncoder.cpp
index 9e596ff..5656139 100644
--- a/media/libstagefright/codecs/aacenc/AACEncoder.cpp
+++ b/media/libstagefright/codecs/aacenc/AACEncoder.cpp
@@ -296,7 +296,7 @@
     memset(&inputData, 0, sizeof(inputData));
     inputData.Buffer = (unsigned char*) mInputFrame;
     inputData.Length = nSamples * sizeof(int16_t);
-    CHECK(VO_ERR_NONE == mApiHandle->SetInputData(mEncoderHandle,&inputData));
+    CHECK((VO_U32)VO_ERR_NONE == mApiHandle->SetInputData(mEncoderHandle,&inputData));
 
     VO_CODECBUFFER outputData;
     memset(&outputData, 0, sizeof(outputData));
diff --git a/media/libstagefright/codecs/aacenc/SoftAACEncoder.cpp b/media/libstagefright/codecs/aacenc/SoftAACEncoder.cpp
index 96bbb85..1457242 100644
--- a/media/libstagefright/codecs/aacenc/SoftAACEncoder.cpp
+++ b/media/libstagefright/codecs/aacenc/SoftAACEncoder.cpp
@@ -65,7 +65,7 @@
     onReset();
 
     if (mEncoderHandle) {
-        CHECK_EQ(VO_ERR_NONE, mApiHandle->Uninit(mEncoderHandle));
+        CHECK_EQ((VO_U32)VO_ERR_NONE, mApiHandle->Uninit(mEncoderHandle));
         mEncoderHandle = NULL;
     }
 
@@ -524,7 +524,7 @@
         memset(&inputData, 0, sizeof(inputData));
         inputData.Buffer = (unsigned char *)mInputFrame;
         inputData.Length = numBytesPerInputFrame;
-        CHECK(VO_ERR_NONE ==
+        CHECK((VO_U32)VO_ERR_NONE ==
                 mApiHandle->SetInputData(mEncoderHandle, &inputData));
 
         VO_CODECBUFFER outputData;
diff --git a/media/libstagefright/codecs/amrwbenc/SoftAMRWBEncoder.cpp b/media/libstagefright/codecs/amrwbenc/SoftAMRWBEncoder.cpp
index 9d50c4e..c7973d6 100644
--- a/media/libstagefright/codecs/amrwbenc/SoftAMRWBEncoder.cpp
+++ b/media/libstagefright/codecs/amrwbenc/SoftAMRWBEncoder.cpp
@@ -59,7 +59,7 @@
 
 SoftAMRWBEncoder::~SoftAMRWBEncoder() {
     if (mEncoderHandle != NULL) {
-        CHECK_EQ(VO_ERR_NONE, mApiHandle->Uninit(mEncoderHandle));
+        CHECK_EQ((VO_U32)VO_ERR_NONE, mApiHandle->Uninit(mEncoderHandle));
         mEncoderHandle = NULL;
     }
 
@@ -435,7 +435,7 @@
         inputData.Buffer = (unsigned char *) mInputFrame;
         inputData.Length = mInputSize;
 
-        CHECK_EQ(VO_ERR_NONE,
+        CHECK_EQ((VO_U32)VO_ERR_NONE,
                  mApiHandle->SetInputData(mEncoderHandle, &inputData));
 
         VO_CODECBUFFER outputData;
diff --git a/media/libstagefright/codecs/flac/enc/SoftFlacEncoder.h b/media/libstagefright/codecs/flac/enc/SoftFlacEncoder.h
index 97361fa..6027f76 100644
--- a/media/libstagefright/codecs/flac/enc/SoftFlacEncoder.h
+++ b/media/libstagefright/codecs/flac/enc/SoftFlacEncoder.h
@@ -48,13 +48,10 @@
     virtual void onQueueFilled(OMX_U32 portIndex);
 
 private:
-
-    enum {
-        kNumBuffers = 2,
-        kMaxNumSamplesPerFrame = 1152,
-        kMaxInputBufferSize = kMaxNumSamplesPerFrame * sizeof(int16_t) * 2,
-        kMaxOutputBufferSize = 65536,    //TODO check if this can be reduced
-    };
+    const unsigned int kNumBuffers = 2;
+    const unsigned int kMaxNumSamplesPerFrame = 1152;
+    const unsigned int kMaxInputBufferSize = kMaxNumSamplesPerFrame * sizeof(int16_t) * 2;
+    const unsigned int kMaxOutputBufferSize = 65536;    //TODO check if this can be reduced
 
     bool mSignalledError;
 
diff --git a/media/libstagefright/codecs/mp3dec/SoftMP3.cpp b/media/libstagefright/codecs/mp3dec/SoftMP3.cpp
index 0822c34..3def1f0 100644
--- a/media/libstagefright/codecs/mp3dec/SoftMP3.cpp
+++ b/media/libstagefright/codecs/mp3dec/SoftMP3.cpp
@@ -274,7 +274,7 @@
         mConfig->inputBufferUsedLength = 0;
 
         mConfig->outputFrameSize = kOutputBufferSize / sizeof(int16_t);
-        if ((int32)outHeader->nAllocLen < mConfig->outputFrameSize) {
+        if ((int32_t)outHeader->nAllocLen < mConfig->outputFrameSize) {
             ALOGE("input buffer too small: got %u, expected %u",
                 outHeader->nAllocLen, mConfig->outputFrameSize);
             android_errorWriteLog(0x534e4554, "27793371");
@@ -363,7 +363,7 @@
             mAnchorTimeUs + (mNumFramesOutput * 1000000ll) / mSamplingRate;
 
         if (inHeader) {
-            CHECK_GE(inHeader->nFilledLen, mConfig->inputBufferUsedLength);
+            CHECK_GE((int32_t)inHeader->nFilledLen, mConfig->inputBufferUsedLength);
 
             inHeader->nOffset += mConfig->inputBufferUsedLength;
             inHeader->nFilledLen -= mConfig->inputBufferUsedLength;
diff --git a/media/libstagefright/httplive/LiveSession.cpp b/media/libstagefright/httplive/LiveSession.cpp
index f673426..8c88fe9 100644
--- a/media/libstagefright/httplive/LiveSession.cpp
+++ b/media/libstagefright/httplive/LiveSession.cpp
@@ -690,7 +690,7 @@
                     }
 
                     if (mContinuation != NULL) {
-                        CHECK_GT(mContinuationCounter, 0);
+                        CHECK_GT(mContinuationCounter, 0u);
                         if (--mContinuationCounter == 0) {
                             mContinuation->post();
                         }
@@ -1535,7 +1535,7 @@
                     mOrigBandwidthIndex, mCurBandwidthIndex);
         }
     }
-    CHECK_LT(mCurBandwidthIndex, mBandwidthItems.size());
+    CHECK_LT((size_t)mCurBandwidthIndex, mBandwidthItems.size());
     const BandwidthItem &item = mBandwidthItems.itemAt(mCurBandwidthIndex);
 
     uint32_t streamMask = 0; // streams that should be fetched by the new fetcher
diff --git a/media/libstagefright/webm/WebmFrameThread.cpp b/media/libstagefright/webm/WebmFrameThread.cpp
index 7eb4745..c33e0c7 100644
--- a/media/libstagefright/webm/WebmFrameThread.cpp
+++ b/media/libstagefright/webm/WebmFrameThread.cpp
@@ -118,7 +118,7 @@
 
 void WebmFrameSinkThread::writeCluster(List<sp<WebmElement> >& children) {
     // children must contain at least one simpleblock and its timecode
-    CHECK_GE(children.size(), 2);
+    CHECK_GE(children.size(), 2u);
 
     uint64_t size;
     sp<WebmElement> cluster = new WebmMaster(kMkvCluster, children);
@@ -149,7 +149,7 @@
         // flushing the second to last frame before we check its type. A audio frame
         // should precede the aforementioned video key frame in the next sequence, a video
         // frame should be the last frame in the current (to-be-flushed) sequence.
-        CHECK_GE(n, 2);
+        CHECK_GE(n, 2u);
         n -= 2;
     }
 
diff --git a/media/libstagefright/webm/WebmWriter.cpp b/media/libstagefright/webm/WebmWriter.cpp
index 25d6821..d6c6930 100644
--- a/media/libstagefright/webm/WebmWriter.cpp
+++ b/media/libstagefright/webm/WebmWriter.cpp
@@ -488,7 +488,7 @@
             params->findInt32(kKeyBitRate, &bitRate);
         }
         mEstimatedCuesSize = estimateCuesSize(bitRate);
-        CHECK_GE(mEstimatedCuesSize, 8);
+        CHECK_GE(mEstimatedCuesSize, 8u);
         cues = new EbmlVoid(mEstimatedCuesSize);
     }
 
diff --git a/media/libstagefright/wifi-display/MediaSender.cpp b/media/libstagefright/wifi-display/MediaSender.cpp
index 6f0087f..9b0af33 100644
--- a/media/libstagefright/wifi-display/MediaSender.cpp
+++ b/media/libstagefright/wifi-display/MediaSender.cpp
@@ -420,7 +420,7 @@
             CHECK(accessUnit->meta()->findInt32("rangeLength", &rangeLength));
             CHECK(accessUnit->meta()->findMessage("notify", &notify)
                     && notify != NULL);
-            CHECK_GE(accessUnit->size(), rangeLength);
+            CHECK_GE((int32_t)accessUnit->size(), rangeLength);
 
             sp<GraphicBuffer> grbuf(new GraphicBuffer(
                     rangeOffset + rangeLength, 1, HAL_PIXEL_FORMAT_Y8,
diff --git a/media/libstagefright/wifi-display/rtp/RTPBase.h b/media/libstagefright/wifi-display/rtp/RTPBase.h
index 6178f00..194f1ee 100644
--- a/media/libstagefright/wifi-display/rtp/RTPBase.h
+++ b/media/libstagefright/wifi-display/rtp/RTPBase.h
@@ -36,10 +36,8 @@
         TRANSPORT_TCP_INTERLEAVED,
     };
 
-    enum {
-        // Really UDP _payload_ size
-        kMaxUDPPacketSize = 1472,   // 1472 good, 1473 bad on Android@Home
-    };
+    // Really UDP _payload_ size
+    const unsigned int kMaxUDPPacketSize = 1472;   // 1472 good, 1473 bad on Android@Home
 
     static int32_t PickRandomRTPPort();
 };
diff --git a/media/libstagefright/wifi-display/rtp/RTPSender.cpp b/media/libstagefright/wifi-display/rtp/RTPSender.cpp
index 83af393..ca9fdd2 100644
--- a/media/libstagefright/wifi-display/rtp/RTPSender.cpp
+++ b/media/libstagefright/wifi-display/rtp/RTPSender.cpp
@@ -247,7 +247,7 @@
 
 status_t RTPSender::queueTSPackets(
         const sp<ABuffer> &tsPackets, uint8_t packetType) {
-    CHECK_EQ(0, tsPackets->size() % 188);
+    CHECK_EQ(0u, tsPackets->size() % 188);
 
     int64_t timeUs;
     CHECK(tsPackets->meta()->findInt64("timeUs", &timeUs));
diff --git a/media/libstagefright/wifi-display/rtp/RTPSender.h b/media/libstagefright/wifi-display/rtp/RTPSender.h
index fefcab7..bedfd01 100644
--- a/media/libstagefright/wifi-display/rtp/RTPSender.h
+++ b/media/libstagefright/wifi-display/rtp/RTPSender.h
@@ -66,11 +66,9 @@
         kWhatRTCPNotify,
     };
 
-    enum {
-        kMaxNumTSPacketsPerRTPPacket = (kMaxUDPPacketSize - 12) / 188,
-        kMaxHistorySize              = 1024,
-        kSourceID                    = 0xdeadbeef,
-    };
+    const unsigned int kMaxNumTSPacketsPerRTPPacket = (kMaxUDPPacketSize - 12) / 188;
+    const unsigned int kMaxHistorySize              = 1024;
+    const unsigned int kSourceID                    = 0xdeadbeef;
 
     sp<ANetworkSession> mNetSession;
     sp<AMessage> mNotify;
diff --git a/media/libstagefright/wifi-display/source/TSPacketizer.cpp b/media/libstagefright/wifi-display/source/TSPacketizer.cpp
index 4c5ad17..865ba94 100644
--- a/media/libstagefright/wifi-display/source/TSPacketizer.cpp
+++ b/media/libstagefright/wifi-display/source/TSPacketizer.cpp
@@ -273,8 +273,8 @@
                 CHECK(mFormat->findInt32("profile-idc", &profileIdc));
                 CHECK(mFormat->findInt32("level-idc", &levelIdc));
                 CHECK(mFormat->findInt32("constraint-set", &constraintSet));
-                CHECK_GE(profileIdc, 0u);
-                CHECK_GE(levelIdc, 0u);
+                CHECK_GE(profileIdc, 0);
+                CHECK_GE(levelIdc, 0);
                 data[2] = profileIdc;    // profile_idc
                 data[3] = constraintSet; // constraint_set*
                 data[4] = levelIdc;      // level_idc
@@ -771,7 +771,7 @@
             program_info_length += mProgramInfoDescriptors.itemAt(i)->size();
         }
 
-        CHECK_LT(program_info_length, 0x400);
+        CHECK_LT(program_info_length, 0x400u);
         *ptr++ = 0xf0 | (program_info_length >> 8);
         *ptr++ = (program_info_length & 0xff);
 
@@ -795,7 +795,7 @@
             for (size_t i = 0; i < track->countDescriptors(); ++i) {
                 ES_info_length += track->descriptorAt(i)->size();
             }
-            CHECK_LE(ES_info_length, 0xfff);
+            CHECK_LE(ES_info_length, 0xfffu);
 
             *ptr++ = 0xf0 | (ES_info_length >> 8);
             *ptr++ = (ES_info_length & 0xff);
diff --git a/media/libstagefright/wifi-display/source/WifiDisplaySource.cpp b/media/libstagefright/wifi-display/source/WifiDisplaySource.cpp
index f0a4ded..191db93 100644
--- a/media/libstagefright/wifi-display/source/WifiDisplaySource.cpp
+++ b/media/libstagefright/wifi-display/source/WifiDisplaySource.cpp
@@ -454,7 +454,7 @@
                 sp<ABuffer> data;
                 CHECK(msg->findBuffer("data", &data));
 
-                CHECK_LE(channel, 0xffu);
+                CHECK_LE(channel, 0xff);
                 CHECK_LE(data->size(), 0xffffu);
 
                 int32_t sessionID;
diff --git a/radio/Radio.cpp b/radio/Radio.cpp
index 3c04fb0..57c7e89 100644
--- a/radio/Radio.cpp
+++ b/radio/Radio.cpp
@@ -117,8 +117,8 @@
 
 
 // Radio
-Radio::Radio(radio_handle_t handle, const sp<RadioCallback>& callback)
-    : mHandle(handle), mCallback(callback)
+Radio::Radio(radio_handle_t /*handle*/, const sp<RadioCallback>& callback)
+    : mCallback(callback)
 {
 }
 
diff --git a/soundtrigger/SoundTrigger.cpp b/soundtrigger/SoundTrigger.cpp
index e959b83..289b7b1 100644
--- a/soundtrigger/SoundTrigger.cpp
+++ b/soundtrigger/SoundTrigger.cpp
@@ -124,9 +124,9 @@
 }
 
 // SoundTrigger
-SoundTrigger::SoundTrigger(sound_trigger_module_handle_t module,
+SoundTrigger::SoundTrigger(sound_trigger_module_handle_t /*module*/,
                                  const sp<SoundTriggerCallback>& callback)
-    : mModule(module), mCallback(callback)
+    : mCallback(callback)
 {
 }