stagefright: warnings be gone, some are now errors, use clang

Change-Id: I81f438ae444f04c12ae27ae4ef6d073033de172c

95 files changed, 295 insertions, 227 deletions

diff --git a/cmds/stagefright/SimplePlayer.h b/cmds/stagefright/SimplePlayer.h
index 0a06059..ce993e8 100644
--- a/cmds/stagefright/SimplePlayer.h
+++ b/cmds/stagefright/SimplePlayer.h
@@ -23,7 +23,7 @@ namespace android {
 struct ABuffer;
 struct ALooper;
 struct AudioTrack;
-struct IGraphicBufferProducer;
+class IGraphicBufferProducer;
 struct MediaCodec;
 struct NativeWindowWrapper;
 struct NuMediaExtractor;
diff --git a/include/media/ICrypto.h b/include/media/ICrypto.h
index aa04dbe..ea316de 100644
--- a/include/media/ICrypto.h
+++ b/include/media/ICrypto.h
@@ -25,7 +25,7 @@
 namespace android {
 
 struct AString;
-struct IMemory;
+class IMemory;
 
 struct ICrypto : public IInterface {
     DECLARE_META_INTERFACE(Crypto);
diff --git a/include/media/IMediaMetadataRetriever.h b/include/media/IMediaMetadataRetriever.h
index 95851fd..c90f254 100644
--- a/include/media/IMediaMetadataRetriever.h
+++ b/include/media/IMediaMetadataRetriever.h
@@ -27,7 +27,7 @@
 namespace android {
 
 class IDataSource;
-class IMediaHTTPService;
+struct IMediaHTTPService;
 
 class IMediaMetadataRetriever: public IInterface
 {
diff --git a/include/media/IMediaPlayer.h b/include/media/IMediaPlayer.h
index 17ef489..df6130d 100644
--- a/include/media/IMediaPlayer.h
+++ b/include/media/IMediaPlayer.h
@@ -32,7 +32,7 @@ namespace android {
 class Parcel;
 class Surface;
 class IDataSource;
-class IStreamSource;
+struct IStreamSource;
 class IGraphicBufferProducer;
 struct IMediaHTTPService;
 
diff --git a/include/media/IStreamSource.h b/include/media/IStreamSource.h
index 149bd49..4a6aafd 100644
--- a/include/media/IStreamSource.h
+++ b/include/media/IStreamSource.h
@@ -23,7 +23,7 @@
 namespace android {
 
 struct AMessage;
-struct IMemory;
+class IMemory;
 struct IStreamListener;
 
 struct IStreamSource : public IInterface {
diff --git a/include/media/MediaMetadataRetrieverInterface.h b/include/media/MediaMetadataRetrieverInterface.h
index df6c7d6..bce6ee3 100644
--- a/include/media/MediaMetadataRetrieverInterface.h
+++ b/include/media/MediaMetadataRetrieverInterface.h
@@ -26,7 +26,7 @@
 namespace android {
 
 class DataSource;
-class IMediaHTTPService;
+struct IMediaHTTPService;
 
 // Abstract base class
 class MediaMetadataRetrieverBase : public RefBase
diff --git a/include/media/MediaPlayerInterface.h b/include/media/MediaPlayerInterface.h
index 90211b1..824762a 100644
--- a/include/media/MediaPlayerInterface.h
+++ b/include/media/MediaPlayerInterface.h
@@ -132,11 +132,11 @@ public:
         virtual void        pause() = 0;
         virtual void        close() = 0;
 
-        virtual status_t    setPlaybackRatePermille(int32_t rate) { return INVALID_OPERATION; }
+        virtual status_t    setPlaybackRatePermille(int32_t /* rate */) { return INVALID_OPERATION;}
         virtual bool        needsTrailingPadding() { return true; }
 
-        virtual status_t    setParameters(const String8& keyValuePairs) { return NO_ERROR; };
-        virtual String8     getParameters(const String8& keys) { return String8::empty(); };
+        virtual status_t    setParameters(const String8& /* keyValuePairs */) { return NO_ERROR; }
+        virtual String8     getParameters(const String8& /* keys */) { return String8::empty(); }
     };
 
                         MediaPlayerBase() : mCookie(0), mNotify(0) {}
@@ -144,7 +144,7 @@ public:
     virtual status_t    initCheck() = 0;
     virtual bool        hardwareOutput() = 0;
 
-    virtual status_t    setUID(uid_t uid) {
+    virtual status_t    setUID(uid_t /* uid */) {
         return INVALID_OPERATION;
     }
 
@@ -155,11 +155,11 @@ public:
 
     virtual status_t    setDataSource(int fd, int64_t offset, int64_t length) = 0;
 
-    virtual status_t    setDataSource(const sp<IStreamSource> &source) {
+    virtual status_t    setDataSource(const sp<IStreamSource>& /* source */) {
         return INVALID_OPERATION;
     }
 
-    virtual status_t    setDataSource(const sp<DataSource> &source) {
+    virtual status_t    setDataSource(const sp<DataSource>& /* source */) {
         return INVALID_OPERATION;
     }
 
@@ -173,7 +173,7 @@ public:
     virtual status_t    stop() = 0;
     virtual status_t    pause() = 0;
     virtual bool        isPlaying() = 0;
-    virtual status_t    setPlaybackRate(float rate) { return INVALID_OPERATION; }
+    virtual status_t    setPlaybackRate(float /* rate */) { return INVALID_OPERATION; }
     virtual status_t    seekTo(int msec) = 0;
     virtual status_t    getCurrentPosition(int *msec) = 0;
     virtual status_t    getDuration(int *msec) = 0;
@@ -184,13 +184,13 @@ public:
     virtual status_t    getParameter(int key, Parcel *reply) = 0;
 
     // default no-op implementation of optional extensions
-    virtual status_t setRetransmitEndpoint(const struct sockaddr_in* endpoint) {
+    virtual status_t setRetransmitEndpoint(const struct sockaddr_in* /* endpoint */) {
         return INVALID_OPERATION;
     }
-    virtual status_t getRetransmitEndpoint(struct sockaddr_in* endpoint) {
+    virtual status_t getRetransmitEndpoint(struct sockaddr_in* /* endpoint */) {
         return INVALID_OPERATION;
     }
-    virtual status_t setNextPlayer(const sp<MediaPlayerBase>& next) {
+    virtual status_t setNextPlayer(const sp<MediaPlayerBase>& /* next */) {
         return OK;
     }
 
@@ -210,8 +210,8 @@ public:
     //            the known metadata should be returned.
     // @param[inout] records Parcel where the player appends its metadata.
     // @return OK if the call was successful.
-    virtual status_t    getMetadata(const media::Metadata::Filter& ids,
-                                    Parcel *records) {
+    virtual status_t    getMetadata(const media::Metadata::Filter& /* ids */,
+                                    Parcel* /* records */) {
         return INVALID_OPERATION;
     };
 
@@ -234,7 +234,7 @@ public:
         if (notifyCB) notifyCB(cookie, msg, ext1, ext2, obj);
     }
 
-    virtual status_t dump(int fd, const Vector<String16> &args) const {
+    virtual status_t dump(int /* fd */, const Vector<String16>& /* args */) const {
         return INVALID_OPERATION;
     }
 
diff --git a/include/media/mediametadataretriever.h b/include/media/mediametadataretriever.h
index 08049c4..f655f35 100644
--- a/include/media/mediametadataretriever.h
+++ b/include/media/mediametadataretriever.h
@@ -26,7 +26,7 @@
 namespace android {
 
 class IDataSource;
-class IMediaHTTPService;
+struct IMediaHTTPService;
 class IMediaPlayerService;
 class IMediaMetadataRetriever;
 
diff --git a/include/media/stagefright/AACWriter.h b/include/media/stagefright/AACWriter.h
index 86417a5..aa60a19 100644
--- a/include/media/stagefright/AACWriter.h
+++ b/include/media/stagefright/AACWriter.h
@@ -24,7 +24,7 @@
 namespace android {
 
 struct MediaSource;
-struct MetaData;
+class MetaData;
 
 struct AACWriter : public MediaWriter {
     AACWriter(int fd);
diff --git a/include/media/stagefright/AMRWriter.h b/include/media/stagefright/AMRWriter.h
index bac878b..b38be55 100644
--- a/include/media/stagefright/AMRWriter.h
+++ b/include/media/stagefright/AMRWriter.h
@@ -26,7 +26,7 @@
 namespace android {
 
 struct MediaSource;
-struct MetaData;
+class MetaData;
 
 struct AMRWriter : public MediaWriter {
     AMRWriter(int fd);
diff --git a/include/media/stagefright/AudioPlayer.h b/include/media/stagefright/AudioPlayer.h
index 14afb85..98c4fa7 100644
--- a/include/media/stagefright/AudioPlayer.h
+++ b/include/media/stagefright/AudioPlayer.h
@@ -27,7 +27,7 @@ namespace android {
 
 class MediaSource;
 class AudioTrack;
-class AwesomePlayer;
+struct AwesomePlayer;
 
 class AudioPlayer : public TimeSource {
 public:
diff --git a/include/media/stagefright/CameraSource.h b/include/media/stagefright/CameraSource.h
index dd0a106..96dfd7e 100644
--- a/include/media/stagefright/CameraSource.h
+++ b/include/media/stagefright/CameraSource.h
@@ -188,7 +188,7 @@ protected:
     void releaseCamera();
 
 private:
-    friend class CameraSourceListener;
+    friend struct CameraSourceListener;
 
     Mutex mLock;
     Condition mFrameAvailableCondition;
diff --git a/include/media/stagefright/DataSource.h b/include/media/stagefright/DataSource.h
index 997fe95..dcde36f 100644
--- a/include/media/stagefright/DataSource.h
+++ b/include/media/stagefright/DataSource.h
@@ -32,7 +32,7 @@ namespace android {
 
 struct AMessage;
 struct AString;
-struct IDataSource;
+class  IDataSource;
 struct IMediaHTTPService;
 class String8;
 struct HTTPBase;
diff --git a/include/media/stagefright/MediaCodec.h b/include/media/stagefright/MediaCodec.h
index e3e952f..f2b21c9 100644
--- a/include/media/stagefright/MediaCodec.h
+++ b/include/media/stagefright/MediaCodec.h
@@ -33,7 +33,7 @@ struct AString;
 struct CodecBase;
 struct IBatteryStats;
 struct ICrypto;
-struct IMemory;
+class IMemory;
 struct MemoryDealer;
 class IResourceManagerClient;
 class IResourceManagerService;
diff --git a/include/media/stagefright/MediaMuxer.h b/include/media/stagefright/MediaMuxer.h
index e6538d1..fa855a8 100644
--- a/include/media/stagefright/MediaMuxer.h
+++ b/include/media/stagefright/MediaMuxer.h
@@ -29,9 +29,9 @@ namespace android {
 struct ABuffer;
 struct AMessage;
 struct MediaAdapter;
-struct MediaBuffer;
+class MediaBuffer;
 struct MediaSource;
-struct MetaData;
+class MetaData;
 struct MediaWriter;
 
 // MediaMuxer is used to mux multiple tracks into a video. Currently, we only
diff --git a/include/media/stagefright/MediaWriter.h b/include/media/stagefright/MediaWriter.h
index e27ea1d..8e02506 100644
--- a/include/media/stagefright/MediaWriter.h
+++ b/include/media/stagefright/MediaWriter.h
@@ -24,7 +24,7 @@
 namespace android {
 
 struct MediaSource;
-struct MetaData;
+class MetaData;
 
 struct MediaWriter : public RefBase {
     MediaWriter()
diff --git a/include/media/stagefright/NuMediaExtractor.h b/include/media/stagefright/NuMediaExtractor.h
index 402e7f8..fd74452 100644
--- a/include/media/stagefright/NuMediaExtractor.h
+++ b/include/media/stagefright/NuMediaExtractor.h
@@ -30,12 +30,12 @@ namespace android {
 
 struct ABuffer;
 struct AMessage;
-struct DataSource;
+class DataSource;
 struct IMediaHTTPService;
-struct MediaBuffer;
+class MediaBuffer;
 struct MediaExtractor;
 struct MediaSource;
-struct MetaData;
+class MetaData;
 
 struct NuMediaExtractor : public RefBase {
     enum SampleFlags {
diff --git a/include/media/stagefright/Utils.h b/include/media/stagefright/Utils.h
index ec3a10e..215ca7c 100644
--- a/include/media/stagefright/Utils.h
+++ b/include/media/stagefright/Utils.h
@@ -41,7 +41,7 @@ uint64_t U64LE_AT(const uint8_t *ptr);
 uint64_t ntoh64(uint64_t x);
 uint64_t hton64(uint64_t x);
 
-struct MetaData;
+class MetaData;
 struct AMessage;
 status_t convertMetaDataToMessage(
         const sp<MetaData> &meta, sp<AMessage> *format);
diff --git a/media/libmediaplayerservice/nuplayer/GenericSource.h b/media/libmediaplayerservice/nuplayer/GenericSource.h
index 2f6e78e..7fab051 100644
--- a/media/libmediaplayerservice/nuplayer/GenericSource.h
+++ b/media/libmediaplayerservice/nuplayer/GenericSource.h
@@ -31,13 +31,13 @@ class DecryptHandle;
 class DrmManagerClient;
 struct AnotherPacketSource;
 struct ARTSPController;
-struct DataSource;
-struct IDataSource;
+class DataSource;
+class IDataSource;
 struct IMediaHTTPService;
 struct MediaSource;
 class MediaBuffer;
 struct NuCachedSource2;
-struct WVMExtractor;
+class WVMExtractor;
 
 struct NuPlayer::GenericSource : public NuPlayer::Source {
     GenericSource(const sp<AMessage> &notify, bool uidValid, uid_t uid);
diff --git a/media/libmediaplayerservice/nuplayer/NuPlayer.h b/media/libmediaplayerservice/nuplayer/NuPlayer.h
index c0205b6..14bdb01 100644
--- a/media/libmediaplayerservice/nuplayer/NuPlayer.h
+++ b/media/libmediaplayerservice/nuplayer/NuPlayer.h
@@ -26,7 +26,7 @@ namespace android {
 
 struct ABuffer;
 struct AMessage;
-struct IDataSource;
+class IDataSource;
 class MetaData;
 struct NuPlayerDriver;
 
diff --git a/media/libmediaplayerservice/nuplayer/NuPlayerDecoderBase.h b/media/libmediaplayerservice/nuplayer/NuPlayerDecoderBase.h
index 97e9269..331a2a8 100644
--- a/media/libmediaplayerservice/nuplayer/NuPlayerDecoderBase.h
+++ b/media/libmediaplayerservice/nuplayer/NuPlayerDecoderBase.h
@@ -26,7 +26,7 @@ namespace android {
 
 struct ABuffer;
 struct MediaCodec;
-struct MediaBuffer;
+class MediaBuffer;
 
 struct NuPlayer::DecoderBase : public AHandler {
     DecoderBase(const sp<AMessage> &notify);
diff --git a/media/libmediaplayerservice/nuplayer/NuPlayerSource.h b/media/libmediaplayerservice/nuplayer/NuPlayerSource.h
index 1b0c2df..ef1ba13 100644
--- a/media/libmediaplayerservice/nuplayer/NuPlayerSource.h
+++ b/media/libmediaplayerservice/nuplayer/NuPlayerSource.h
@@ -28,7 +28,7 @@
 namespace android {
 
 struct ABuffer;
-struct MediaBuffer;
+class MediaBuffer;
 
 struct NuPlayer::Source : public AHandler {
     enum Flags {
diff --git a/media/libstagefright/AACExtractor.cpp b/media/libstagefright/AACExtractor.cpp
index 196f6ee..45e8a30 100644
--- a/media/libstagefright/AACExtractor.cpp
+++ b/media/libstagefright/AACExtractor.cpp
@@ -360,7 +360,7 @@ bool SniffAAC(
         pos += len;
 
         ALOGV("skipped ID3 tag, new starting offset is %lld (0x%016llx)",
-             pos, pos);
+                (long long)pos, (long long)pos);
     }
 
     uint8_t header[2];
diff --git a/media/libstagefright/ACodec.cpp b/media/libstagefright/ACodec.cpp
index 45f6339..da22f11 100644
--- a/media/libstagefright/ACodec.cpp
+++ b/media/libstagefright/ACodec.cpp
@@ -629,14 +629,23 @@ status_t ACodec::configureOutputBuffersFromNativeWindow(
         return err;
     }
 
-    err = native_window_set_buffers_geometry(
+    err = native_window_set_buffers_dimensions(
             mNativeWindow.get(),
             def.format.video.nFrameWidth,
-            def.format.video.nFrameHeight,
+            def.format.video.nFrameHeight);
+
+    if (err != 0) {
+        ALOGE("native_window_set_buffers_dimensions failed: %s (%d)",
+                strerror(-err), -err);
+        return err;
+    }
+
+    err = native_window_set_buffers_format(
+            mNativeWindow.get(),
             def.format.video.eColorFormat);
 
     if (err != 0) {
-        ALOGE("native_window_set_buffers_geometry failed: %s (%d)",
+        ALOGE("native_window_set_buffers_format failed: %s (%d)",
                 strerror(-err), -err);
         return err;
     }
@@ -990,7 +999,7 @@ ACodec::BufferInfo *ACodec::dequeueBufferFromNativeWindow() {
         CHECK_EQ(metaData->eType, kMetadataBufferTypeGrallocSource);
 
         ALOGV("replaced oldest buffer #%u with age %u (%p/%p stored in %p)",
-                oldest - &mBuffers[kPortIndexOutput][0],
+                (unsigned)(oldest - &mBuffers[kPortIndexOutput][0]),
                 mDequeueCounter - oldest->mDequeuedAt,
                 metaData->pHandle,
                 oldest->mGraphicBuffer->handle, oldest->mData->base());
@@ -1598,7 +1607,7 @@ status_t ACodec::configureCodec(
             err = setupG711Codec(encoder, sampleRate, numChannels);
         }
     } else if (!strcasecmp(mime, MEDIA_MIMETYPE_AUDIO_FLAC)) {
-        int32_t numChannels, sampleRate, compressionLevel = -1;
+        int32_t numChannels = 0, sampleRate = 0, compressionLevel = -1;
         if (encoder &&
                 (!msg->findInt32("channel-count", &numChannels)
                         || !msg->findInt32("sample-rate", &sampleRate))) {
@@ -3926,9 +3935,7 @@ void ACodec::sendFormatChange(const sp<AMessage> &reply) {
         if (mSkipCutBuffer != NULL) {
             size_t prevbufsize = mSkipCutBuffer->size();
             if (prevbufsize != 0) {
-                ALOGW("Replacing SkipCutBuffer holding %d "
-                      "bytes",
-                      prevbufsize);
+                ALOGW("Replacing SkipCutBuffer holding %zu bytes", prevbufsize);
             }
         }
         mSkipCutBuffer = new SkipCutBuffer(
@@ -3984,10 +3991,16 @@ status_t ACodec::pushBlankBuffersToNativeWindow() {
         return err;
     }
 
-    err = native_window_set_buffers_geometry(mNativeWindow.get(), 1, 1,
-            HAL_PIXEL_FORMAT_RGBX_8888);
+    err = native_window_set_buffers_dimensions(mNativeWindow.get(), 1, 1);
+    if (err != NO_ERROR) {
+        ALOGE("error pushing blank frames: set_buffers_dimensions failed: %s (%d)",
+                strerror(-err), -err);
+        goto error;
+    }
+
+    err = native_window_set_buffers_format(mNativeWindow.get(), HAL_PIXEL_FORMAT_RGBX_8888);
     if (err != NO_ERROR) {
-        ALOGE("error pushing blank frames: set_buffers_geometry failed: %s (%d)",
+        ALOGE("error pushing blank frames: set_buffers_format failed: %s (%d)",
                 strerror(-err), -err);
         goto error;
     }
@@ -4218,7 +4231,7 @@ bool ACodec::BaseState::onOMXMessage(const sp<AMessage> &msg) {
 
     // there is a possibility that this is an outstanding message for a
     // codec that we have already destroyed
-    if (mCodec->mNode == NULL) {
+    if (mCodec->mNode == 0) {
         ALOGI("ignoring message as already freed component: %s",
                 msg->debugString().c_str());
         return true;
@@ -4290,13 +4303,13 @@ bool ACodec::BaseState::onOMXMessage(const sp<AMessage> &msg) {
 bool ACodec::BaseState::onOMXEvent(
         OMX_EVENTTYPE event, OMX_U32 data1, OMX_U32 data2) {
     if (event != OMX_EventError) {
-        ALOGV("[%s] EVENT(%d, 0x%08lx, 0x%08lx)",
+        ALOGV("[%s] EVENT(%d, 0x%08x, 0x%08x)",
              mCodec->mComponentName.c_str(), event, data1, data2);
 
         return false;
     }
 
-    ALOGE("[%s] ERROR(0x%08lx)", mCodec->mComponentName.c_str(), data1);
+    ALOGE("[%s] ERROR(0x%08x)", mCodec->mComponentName.c_str(), data1);
 
     // verify OMX component sends back an error we expect.
     OMX_ERRORTYPE omxError = (OMX_ERRORTYPE)data1;
@@ -4310,7 +4323,7 @@ bool ACodec::BaseState::onOMXEvent(
 }
 
 bool ACodec::BaseState::onOMXEmptyBufferDone(IOMX::buffer_id bufferID) {
-    ALOGV("[%s] onOMXEmptyBufferDone %p",
+    ALOGV("[%s] onOMXEmptyBufferDone %u",
          mCodec->mComponentName.c_str(), bufferID);
 
     BufferInfo *info =
@@ -4436,7 +4449,7 @@ void ACodec::BaseState::onInputBufferFilled(const sp<AMessage> &msg) {
                 }
 
                 if (buffer != info->mData) {
-                    ALOGV("[%s] Needs to copy input data for buffer %p. (%p != %p)",
+                    ALOGV("[%s] Needs to copy input data for buffer %u. (%p != %p)",
                          mCodec->mComponentName.c_str(),
                          bufferID,
                          buffer.get(), info->mData.get());
@@ -4446,18 +4459,18 @@ void ACodec::BaseState::onInputBufferFilled(const sp<AMessage> &msg) {
                 }
 
                 if (flags & OMX_BUFFERFLAG_CODECCONFIG) {
-                    ALOGV("[%s] calling emptyBuffer %p w/ codec specific data",
+                    ALOGV("[%s] calling emptyBuffer %u w/ codec specific data",
                          mCodec->mComponentName.c_str(), bufferID);
                 } else if (flags & OMX_BUFFERFLAG_EOS) {
-                    ALOGV("[%s] calling emptyBuffer %p w/ EOS",
+                    ALOGV("[%s] calling emptyBuffer %u w/ EOS",
                          mCodec->mComponentName.c_str(), bufferID);
                 } else {
 #if TRACK_BUFFER_TIMING
-                    ALOGI("[%s] calling emptyBuffer %p w/ time %lld us",
-                         mCodec->mComponentName.c_str(), bufferID, timeUs);
+                    ALOGI("[%s] calling emptyBuffer %u w/ time %lld us",
+                         mCodec->mComponentName.c_str(), bufferID, (long long)timeUs);
 #else
-                    ALOGV("[%s] calling emptyBuffer %p w/ time %lld us",
-                         mCodec->mComponentName.c_str(), bufferID, timeUs);
+                    ALOGV("[%s] calling emptyBuffer %u w/ time %lld us",
+                         mCodec->mComponentName.c_str(), bufferID, (long long)timeUs);
 #endif
                 }
 
@@ -4511,7 +4524,7 @@ void ACodec::BaseState::onInputBufferFilled(const sp<AMessage> &msg) {
                          mCodec->mComponentName.c_str());
                 }
 
-                ALOGV("[%s] calling emptyBuffer %p signalling EOS",
+                ALOGV("[%s] calling emptyBuffer %u signalling EOS",
                      mCodec->mComponentName.c_str(), bufferID);
 
                 CHECK_EQ(mCodec->mOMX->emptyBuffer(
@@ -4812,7 +4825,7 @@ void ACodec::UninitializedState::stateEntered() {
     }
 
     mCodec->mNativeWindow.clear();
-    mCodec->mNode = NULL;
+    mCodec->mNode = 0;
     mCodec->mOMX.clear();
     mCodec->mQuirks = 0;
     mCodec->mFlags = 0;
@@ -4890,7 +4903,7 @@ void ACodec::UninitializedState::onSetup(
 bool ACodec::UninitializedState::onAllocateComponent(const sp<AMessage> &msg) {
     ALOGV("onAllocateComponent");
 
-    CHECK(mCodec->mNode == NULL);
+    CHECK(mCodec->mNode == 0);
 
     OMXClient client;
     CHECK_EQ(client.connect(), (status_t)OK);
@@ -4938,7 +4951,7 @@ bool ACodec::UninitializedState::onAllocateComponent(const sp<AMessage> &msg) {
     }
 
     sp<CodecObserver> observer = new CodecObserver;
-    IOMX::node_id node = NULL;
+    IOMX::node_id node = 0;
 
     status_t err = OMX_ErrorComponentNotFound;
     for (size_t matchIndex = 0; matchIndex < matchingCodecs.size();
@@ -4958,10 +4971,10 @@ bool ACodec::UninitializedState::onAllocateComponent(const sp<AMessage> &msg) {
             ALOGW("Allocating component '%s' failed, try next one.", componentName.c_str());
         }
 
-        node = NULL;
+        node = 0;
     }
 
-    if (node == NULL) {
+    if (node == 0) {
         if (!mime.empty()) {
             ALOGE("Unable to instantiate a %scoder for type '%s' with err %#x.",
                     encoder ? "en" : "de", mime.c_str(), err);
@@ -5109,7 +5122,7 @@ bool ACodec::LoadedState::onConfigureComponent(
         const sp<AMessage> &msg) {
     ALOGV("onConfigureComponent");
 
-    CHECK(mCodec->mNode != NULL);
+    CHECK(mCodec->mNode != 0);
 
     AString mime;
     CHECK(msg->findString("mime", &mime));
@@ -5449,7 +5462,7 @@ void ACodec::ExecutingState::submitRegularOutputBuffers() {
             CHECK_EQ((int)info->mStatus, (int)BufferInfo::OWNED_BY_US);
         }
 
-        ALOGV("[%s] calling fillBuffer %p",
+        ALOGV("[%s] calling fillBuffer %u",
              mCodec->mComponentName.c_str(), info->mBufferID);
 
         CHECK_EQ(mCodec->mOMX->fillBuffer(mCodec->mNode, info->mBufferID),
@@ -5523,7 +5536,7 @@ bool ACodec::ExecutingState::onMessageReceived(const sp<AMessage> &msg) {
         case kWhatFlush:
         {
             ALOGV("[%s] ExecutingState flushing now "
-                 "(codec owns %d/%d input, %d/%d output).",
+                 "(codec owns %zu/%zu input, %zu/%zu output).",
                     mCodec->mComponentName.c_str(),
                     mCodec->countBuffersOwnedByComponent(kPortIndexInput),
                     mCodec->mBuffers[kPortIndexInput].size(),
@@ -5705,7 +5718,7 @@ bool ACodec::ExecutingState::onOMXEvent(
             } else if (data2 == OMX_IndexConfigCommonOutputCrop) {
                 mCodec->mSentFormat = false;
             } else {
-                ALOGV("[%s] OMX_EventPortSettingsChanged 0x%08lx",
+                ALOGV("[%s] OMX_EventPortSettingsChanged 0x%08x",
                      mCodec->mComponentName.c_str(), data2);
             }
 
@@ -6035,8 +6048,8 @@ bool ACodec::FlushingState::onMessageReceived(const sp<AMessage> &msg) {
 
 bool ACodec::FlushingState::onOMXEvent(
         OMX_EVENTTYPE event, OMX_U32 data1, OMX_U32 data2) {
-    ALOGV("[%s] FlushingState onOMXEvent(%d,%ld)",
-            mCodec->mComponentName.c_str(), event, data1);
+    ALOGV("[%s] FlushingState onOMXEvent(%u,%d)",
+            mCodec->mComponentName.c_str(), event, (OMX_S32)data1);
 
     switch (event) {
         case OMX_EventCmdComplete:
diff --git a/media/libstagefright/Android.mk b/media/libstagefright/Android.mk
index 0ba6743..85ef401 100644
--- a/media/libstagefright/Android.mk
+++ b/media/libstagefright/Android.mk
@@ -123,7 +123,8 @@ LOCAL_SHARED_LIBRARIES += \
         libdl \
         libRScpp \
 
-LOCAL_CFLAGS += -Wno-multichar
+LOCAL_CFLAGS += -Wno-multichar -Werror
+LOCAL_CLANG := true
 
 LOCAL_MODULE:= libstagefright
 
diff --git a/media/libstagefright/AwesomePlayer.cpp b/media/libstagefright/AwesomePlayer.cpp
index 87eef1e..c14625d 100644
--- a/media/libstagefright/AwesomePlayer.cpp
+++ b/media/libstagefright/AwesomePlayer.cpp
@@ -360,7 +360,7 @@ status_t AwesomePlayer::setDataSource(
     return setDataSource_l(dataSource);
 }
 
-status_t AwesomePlayer::setDataSource(const sp<IStreamSource> &source) {
+status_t AwesomePlayer::setDataSource(const sp<IStreamSource> &source __unused) {
     return INVALID_OPERATION;
 }
 
@@ -422,7 +422,7 @@ status_t AwesomePlayer::setDataSource_l(const sp<MediaExtractor> &extractor) {
 
     mBitrate = totalBitRate;
 
-    ALOGV("mBitrate = %lld bits/sec", mBitrate);
+    ALOGV("mBitrate = %lld bits/sec", (long long)mBitrate);
 
     {
         Mutex::Autolock autoLock(mStatsLock);
@@ -1722,7 +1722,7 @@ void AwesomePlayer::finishSeekIfNecessary(int64_t videoTimeUs) {
     // we are now resuming.  Signal new position to media time provider.
     // Cannot signal another SEEK_COMPLETE, as existing clients may not expect
     // multiple SEEK_COMPLETE responses to a single seek() request.
-    if (mSeekNotificationSent && abs(mSeekTimeUs - videoTimeUs) > 10000) {
+    if (mSeekNotificationSent && llabs((long long)(mSeekTimeUs - videoTimeUs)) > 10000) {
         // notify if we are resuming more than 10ms away from desired seek time
         notifyListener_l(MEDIA_SKIPPED);
     }
@@ -2358,7 +2358,7 @@ status_t AwesomePlayer::finishSetDataSource_l() {
                         }
 
                         CHECK_GE(metaDataSize, 0ll);
-                        ALOGV("metaDataSize = %lld bytes", metaDataSize);
+                        ALOGV("metaDataSize = %lld bytes", (long long)metaDataSize);
                     }
 
                     usleep(200000);
diff --git a/media/libstagefright/CallbackDataSource.cpp b/media/libstagefright/CallbackDataSource.cpp
index e16cef7..2e0745f 100644
--- a/media/libstagefright/CallbackDataSource.cpp
+++ b/media/libstagefright/CallbackDataSource.cpp
@@ -72,7 +72,7 @@ ssize_t CallbackDataSource::readAt(off64_t offset, void* data, size_t size) {
         }
         // Sanity check.
         CHECK((size_t)numRead <= numToRead && numRead >= 0 &&
-              numRead <= bufferSize);
+                (size_t)numRead <= bufferSize);
         memcpy(((uint8_t*)data) + totalNumRead, mMemory->pointer(), numRead);
         numLeft -= numRead;
         totalNumRead += numRead;
diff --git a/media/libstagefright/CameraSource.cpp b/media/libstagefright/CameraSource.cpp
index ad12bdd..1b788f3 100644
--- a/media/libstagefright/CameraSource.cpp
+++ b/media/libstagefright/CameraSource.cpp
@@ -851,11 +851,11 @@ status_t CameraSource::read(
 }
 
 void CameraSource::dataCallbackTimestamp(int64_t timestampUs,
-        int32_t msgType, const sp<IMemory> &data) {
-    ALOGV("dataCallbackTimestamp: timestamp %" PRId64 " us", timestampUs);
+        int32_t msgType __unused, const sp<IMemory> &data) {
+    ALOGV("dataCallbackTimestamp: timestamp %lld us", (long long)timestampUs);
     Mutex::Autolock autoLock(mLock);
     if (!mStarted || (mNumFramesReceived == 0 && timestampUs < mStartTimeUs)) {
-        ALOGV("Drop frame at %" PRId64 "/%" PRId64 " us", timestampUs, mStartTimeUs);
+        ALOGV("Drop frame at %lld/%lld us", (long long)timestampUs, (long long)mStartTimeUs);
         releaseOneRecordingFrame(data);
         return;
     }
@@ -913,7 +913,7 @@ void CameraSource::ProxyListener::dataCallbackTimestamp(
     mSource->dataCallbackTimestamp(timestamp / 1000, msgType, dataPtr);
 }
 
-void CameraSource::DeathNotifier::binderDied(const wp<IBinder>& who) {
+void CameraSource::DeathNotifier::binderDied(const wp<IBinder>& who __unused) {
     ALOGI("Camera recording proxy died");
 }
 
diff --git a/media/libstagefright/FLACExtractor.cpp b/media/libstagefright/FLACExtractor.cpp
index fa7251c..8b972b7 100644
--- a/media/libstagefright/FLACExtractor.cpp
+++ b/media/libstagefright/FLACExtractor.cpp
@@ -651,10 +651,10 @@ MediaBuffer *FLACParser::readBuffer(bool doSeek, FLAC__uint64 sample)
     if (doSeek) {
         // We implement the seek callback, so this works without explicit flush
         if (!FLAC__stream_decoder_seek_absolute(mDecoder, sample)) {
-            ALOGE("FLACParser::readBuffer seek to sample %llu failed", sample);
+            ALOGE("FLACParser::readBuffer seek to sample %lld failed", (long long)sample);
             return NULL;
         }
-        ALOGV("FLACParser::readBuffer seek to sample %llu succeeded", sample);
+        ALOGV("FLACParser::readBuffer seek to sample %lld succeeded", (long long)sample);
     } else {
         if (!FLAC__stream_decoder_process_single(mDecoder)) {
             ALOGE("FLACParser::readBuffer process_single failed");
diff --git a/media/libstagefright/FileSource.cpp b/media/libstagefright/FileSource.cpp
index f0db76b..565f156 100644
--- a/media/libstagefright/FileSource.cpp
+++ b/media/libstagefright/FileSource.cpp
@@ -111,7 +111,7 @@ ssize_t FileSource::readAt(off64_t offset, void *data, size_t size) {
    } else {
         off64_t result = lseek64(mFd, offset + mOffset, SEEK_SET);
         if (result == -1) {
-            ALOGE("seek to %lld failed", offset + mOffset);
+            ALOGE("seek to %lld failed", (long long)(offset + mOffset));
             return UNKNOWN_ERROR;
         }
 
diff --git a/media/libstagefright/HTTPBase.cpp b/media/libstagefright/HTTPBase.cpp
index 77a652a..068a77f 100644
--- a/media/libstagefright/HTTPBase.cpp
+++ b/media/libstagefright/HTTPBase.cpp
@@ -34,10 +34,10 @@ HTTPBase::HTTPBase()
     : mNumBandwidthHistoryItems(0),
       mTotalTransferTimeUs(0),
       mTotalTransferBytes(0),
+      mMaxBandwidthHistoryItems(100),
       mPrevBandwidthMeasureTimeUs(0),
       mPrevEstimatedBandWidthKbps(0),
-      mBandWidthCollectFreqMs(5000),
-      mMaxBandwidthHistoryItems(100) {
+      mBandWidthCollectFreqMs(5000) {
 }
 
 void HTTPBase::addBandwidthMeasurement(
diff --git a/media/libstagefright/MP3Extractor.cpp b/media/libstagefright/MP3Extractor.cpp
index 4a63152..55e3c19 100644
--- a/media/libstagefright/MP3Extractor.cpp
+++ b/media/libstagefright/MP3Extractor.cpp
@@ -82,7 +82,7 @@ static bool Resync(
             *inout_pos += len;
 
             ALOGV("skipped ID3 tag, new starting offset is %lld (0x%016llx)",
-                 *inout_pos, *inout_pos);
+                    (long long)*inout_pos, (long long)*inout_pos);
         }
 
         if (post_id3_pos != NULL) {
@@ -103,9 +103,9 @@ static bool Resync(
     uint8_t *tmp = buf;
 
     do {
-        if (pos >= *inout_pos + kMaxBytesChecked) {
+        if (pos >= (off64_t)(*inout_pos + kMaxBytesChecked)) {
             // Don't scan forever.
-            ALOGV("giving up at offset %lld", pos);
+            ALOGV("giving up at offset %lld", (long long)pos);
             break;
         }
 
@@ -155,7 +155,7 @@ static bool Resync(
             continue;
         }
 
-        ALOGV("found possible 1st frame at %lld (header = 0x%08x)", pos, header);
+        ALOGV("found possible 1st frame at %lld (header = 0x%08x)", (long long)pos, header);
 
         // We found what looks like a valid frame,
         // now find its successors.
@@ -186,7 +186,7 @@ static bool Resync(
                 break;
             }
 
-            ALOGV("found subsequent frame #%d at %lld", j + 2, test_pos);
+            ALOGV("found subsequent frame #%d at %lld", j + 2, (long long)test_pos);
 
             test_pos += test_frame_size;
         }
diff --git a/media/libstagefright/MPEG4Extractor.cpp b/media/libstagefright/MPEG4Extractor.cpp
index 28a9ed9..6573afc 100644
--- a/media/libstagefright/MPEG4Extractor.cpp
+++ b/media/libstagefright/MPEG4Extractor.cpp
@@ -503,7 +503,7 @@ status_t MPEG4Extractor::readMetaData() {
         } else if (offset <= orig_offset) {
             // only continue parsing if the offset was advanced,
             // otherwise we might end up in an infinite loop
-            ALOGE("did not advance: 0x%lld->0x%lld", orig_offset, offset);
+            ALOGE("did not advance: %lld->%lld", (long long)orig_offset, (long long)offset);
             err = ERROR_MALFORMED;
             break;
         } else if (err == UNKNOWN_ERROR) {
@@ -761,7 +761,7 @@ static void convertTimeToDate(int64_t time_1904, String8 *s) {
 }
 
 status_t MPEG4Extractor::parseChunk(off64_t *offset, int depth) {
-    ALOGV("entering parseChunk %lld/%d", *offset, depth);
+    ALOGV("entering parseChunk %lld/%d", (long long)*offset, depth);
     uint32_t hdr[2];
     if (mDataSource->readAt(*offset, hdr, 8) < 8) {
         return ERROR_IO;
@@ -805,7 +805,7 @@ status_t MPEG4Extractor::parseChunk(off64_t *offset, int depth) {
 
     char chunk[5];
     MakeFourCCString(chunk_type, chunk);
-    ALOGV("chunk: %s @ %lld, %d", chunk, *offset, depth);
+    ALOGV("chunk: %s @ %lld, %d", chunk, (long long)*offset, depth);
 
     if (kUseHexDump) {
         static const char kWhitespace[] = "                                        ";
@@ -1724,7 +1724,7 @@ status_t MPEG4Extractor::parseChunk(off64_t *offset, int depth) {
             char buffer[23];
             if (chunk_data_size != 7 &&
                 chunk_data_size != 23) {
-                ALOGE("Incorrect D263 box size %lld", chunk_data_size);
+                ALOGE("Incorrect D263 box size %lld", (long long)chunk_data_size);
                 return ERROR_MALFORMED;
             }
 
@@ -2015,7 +2015,7 @@ status_t MPEG4Extractor::parseChunk(off64_t *offset, int depth) {
 
             if (mFileMetaData != NULL) {
                 ALOGV("chunk_data_size = %lld and data_offset = %lld",
-                        chunk_data_size, data_offset);
+                        (long long)chunk_data_size, (long long)data_offset);
                 sp<ABuffer> buffer = new ABuffer(chunk_data_size + 1);
                 if (mDataSource->readAt(
                     data_offset, buffer->data(), chunk_data_size) != (ssize_t)chunk_data_size) {
@@ -2433,7 +2433,7 @@ status_t MPEG4Extractor::parseITunesMetaData(off64_t offset, size_t size) {
     uint32_t metadataKey = 0;
     char chunk[5];
     MakeFourCCString(mPath[4], chunk);
-    ALOGV("meta: %s @ %lld", chunk, offset);
+    ALOGV("meta: %s @ %lld", chunk, (long long)offset);
     switch ((int32_t)mPath[4]) {
         case FOURCC(0xa9, 'a', 'l', 'b'):
         {
@@ -2937,7 +2937,7 @@ status_t MPEG4Extractor::updateAudioTrackInfoFromESDS_MPEG4Audio(
     }
 
     if (kUseHexDump) {
-        printf("ESD of size %d\n", csd_size);
+        printf("ESD of size %zu\n", csd_size);
         hexdump(csd, csd_size);
     }
 
@@ -3344,7 +3344,7 @@ status_t MPEG4Source::parseChunk(off64_t *offset) {
 
     char chunk[5];
     MakeFourCCString(chunk_type, chunk);
-    ALOGV("MPEG4Source chunk %s @ %llx", chunk, *offset);
+    ALOGV("MPEG4Source chunk %s @ %#llx", chunk, (long long)*offset);
 
     off64_t chunk_data_size = *offset + chunk_size - data_offset;
 
@@ -3801,7 +3801,7 @@ status_t MPEG4Source::parseTrackFragmentRun(off64_t offset, off64_t size) {
         sampleCtsOffset = 0;
     }
 
-    if (size < (off64_t)sampleCount * bytesPerSample) {
+    if (size < (off64_t)(sampleCount * bytesPerSample)) {
         return -EINVAL;
     }
 
@@ -4553,7 +4553,7 @@ static bool BetterSniffMPEG4(
 
         char chunkstring[5];
         MakeFourCCString(chunkType, chunkstring);
-        ALOGV("saw chunk type %s, size %" PRIu64 " @ %lld", chunkstring, chunkSize, offset);
+        ALOGV("saw chunk type %s, size %" PRIu64 " @ %lld", chunkstring, chunkSize, (long long)offset);
         switch (chunkType) {
             case FOURCC('f', 't', 'y', 'p'):
             {
@@ -4616,7 +4616,7 @@ static bool BetterSniffMPEG4(
         *meta = new AMessage;
         (*meta)->setInt64("meta-data-size", moovAtomEndOffset);
 
-        ALOGV("found metadata size: %lld", moovAtomEndOffset);
+        ALOGV("found metadata size: %lld", (long long)moovAtomEndOffset);
     }
 
     return true;
diff --git a/media/libstagefright/MPEG4Writer.cpp b/media/libstagefright/MPEG4Writer.cpp
index 3d83e83..003b09a 100644
--- a/media/libstagefright/MPEG4Writer.cpp
+++ b/media/libstagefright/MPEG4Writer.cpp
@@ -372,8 +372,8 @@ MPEG4Writer::MPEG4Writer(int fd)
       mLatitudex10000(0),
       mLongitudex10000(0),
       mAreGeoTagsAvailable(false),
-      mMetaKeys(new AMessage()),
-      mStartTimeOffsetMs(-1) {
+      mStartTimeOffsetMs(-1),
+      mMetaKeys(new AMessage()) {
     addDeviceMeta();
 }
 
diff --git a/media/libstagefright/MediaCodec.cpp b/media/libstagefright/MediaCodec.cpp
index 8688d9b..5ae79e6 100644
--- a/media/libstagefright/MediaCodec.cpp
+++ b/media/libstagefright/MediaCodec.cpp
@@ -308,10 +308,10 @@ MediaCodec::MediaCodec(const sp<ALooper> &looper)
       mCodec(NULL),
       mReplyID(0),
       mFlags(0),
-      mResourceManagerClient(new ResourceManagerClient(this)),
-      mResourceManagerService(new ResourceManagerServiceProxy()),
       mStickyError(OK),
       mSoftRenderer(NULL),
+      mResourceManagerClient(new ResourceManagerClient(this)),
+      mResourceManagerService(new ResourceManagerServiceProxy()),
       mBatteryStatNotified(false),
       mIsVideo(false),
       mVideoWidth(0),
diff --git a/media/libstagefright/MediaCodecListOverrides.cpp b/media/libstagefright/MediaCodecListOverrides.cpp
index 3c54f34..867a223 100644
--- a/media/libstagefright/MediaCodecListOverrides.cpp
+++ b/media/libstagefright/MediaCodecListOverrides.cpp
@@ -130,7 +130,7 @@ static size_t doProfileCodecs(
     while (err == OK && codecs.size() < kMaxInstances) {
         sp<ALooper> looper = new ALooper;
         looper->setName("MediaCodec_looper");
-        ALOGV("doProfileCodecs for codec #%u", codecs.size());
+        ALOGV("doProfileCodecs for codec #%zu", codecs.size());
         ALOGV("doProfileCodecs start looper");
         looper->start(
                 false /* runOnCallingThread */, false /* canCallJava */, ANDROID_PRIORITY_AUDIO);
@@ -234,7 +234,7 @@ void profileCodecs(
             if (max > 0) {
                 CodecSettings settings;
                 char maxStr[32];
-                sprintf(maxStr, "%u", max);
+                sprintf(maxStr, "%zu", max);
                 settings.add("max-supported-instances", maxStr);
 
                 AString key = name;
diff --git a/media/libstagefright/MediaCodecListOverrides.h b/media/libstagefright/MediaCodecListOverrides.h
index f97ce63..c6cc2ea 100644
--- a/media/libstagefright/MediaCodecListOverrides.h
+++ b/media/libstagefright/MediaCodecListOverrides.h
@@ -26,7 +26,7 @@
 
 namespace android {
 
-class MediaCodecInfo;
+struct MediaCodecInfo;
 
 bool splitString(const AString &s, const AString &delimiter, AString *s1, AString *s2);
 
diff --git a/media/libstagefright/MidiExtractor.cpp b/media/libstagefright/MidiExtractor.cpp
index 66fab77..f6b8c84 100644
--- a/media/libstagefright/MidiExtractor.cpp
+++ b/media/libstagefright/MidiExtractor.cpp
@@ -217,7 +217,7 @@ status_t MidiEngine::releaseBuffers() {
 }
 
 status_t MidiEngine::seekTo(int64_t positionUs) {
-    ALOGV("seekTo %lld", positionUs);
+    ALOGV("seekTo %lld", (long long)positionUs);
     EAS_RESULT result = EAS_Locate(mEasData, mEasHandle, positionUs / 1000, false);
     return result == EAS_SUCCESS ? OK : UNKNOWN_ERROR;
 }
diff --git a/media/libstagefright/NuCachedSource2.cpp b/media/libstagefright/NuCachedSource2.cpp
index 8d70e50..1c53b40 100644
--- a/media/libstagefright/NuCachedSource2.cpp
+++ b/media/libstagefright/NuCachedSource2.cpp
@@ -503,7 +503,7 @@ void NuCachedSource2::restartPrefetcherIfNecessary_l(
 ssize_t NuCachedSource2::readAt(off64_t offset, void *data, size_t size) {
     Mutex::Autolock autoSerializer(mSerializer);
 
-    ALOGV("readAt offset %lld, size %zu", offset, size);
+    ALOGV("readAt offset %lld, size %zu", (long long)offset, size);
 
     Mutex::Autolock autoLock(mLock);
     if (mDisconnecting) {
@@ -579,7 +579,7 @@ size_t NuCachedSource2::approxDataRemaining_l(status_t *finalStatus) const {
 ssize_t NuCachedSource2::readInternal(off64_t offset, void *data, size_t size) {
     CHECK_LE(size, (size_t)mHighwaterThresholdBytes);
 
-    ALOGV("readInternal offset %lld size %zu", offset, size);
+    ALOGV("readInternal offset %lld size %zu", (long long)offset, size);
 
     Mutex::Autolock autoLock(mLock);
 
@@ -640,7 +640,7 @@ status_t NuCachedSource2::seekInternal_l(off64_t offset) {
         return OK;
     }
 
-    ALOGI("new range: offset= %lld", offset);
+    ALOGI("new range: offset= %lld", (long long)offset);
 
     mCacheOffset = offset;
 
@@ -719,10 +719,10 @@ void NuCachedSource2::updateCacheParamsFromString(const char *s) {
         mKeepAliveIntervalUs = kDefaultKeepAliveIntervalUs;
     }
 
-    ALOGV("lowwater = %zu bytes, highwater = %zu bytes, keepalive = %" PRId64 " us",
+    ALOGV("lowwater = %zu bytes, highwater = %zu bytes, keepalive = %lld us",
          mLowwaterThresholdBytes,
          mHighwaterThresholdBytes,
-         mKeepAliveIntervalUs);
+         (long long)mKeepAliveIntervalUs);
 }
 
 // static
diff --git a/media/libstagefright/OMXCodec.cpp b/media/libstagefright/OMXCodec.cpp
index 4d30069..8d4bab8 100644
--- a/media/libstagefright/OMXCodec.cpp
+++ b/media/libstagefright/OMXCodec.cpp
@@ -1057,7 +1057,7 @@ status_t OMXCodec::getVideoProfileLevel(
         const sp<MetaData>& meta,
         const CodecProfileLevel& defaultProfileLevel,
         CodecProfileLevel &profileLevel) {
-    CODEC_LOGV("Default profile: %ld, level %ld",
+    CODEC_LOGV("Default profile: %u, level #x%x",
             defaultProfileLevel.mProfile, defaultProfileLevel.mLevel);
 
     // Are the default profile and level overwriten?
@@ -1283,7 +1283,7 @@ status_t OMXCodec::setVideoOutputFormat(
     success = success && meta->findInt32(kKeyHeight, &height);
     CHECK(success);
 
-    CODEC_LOGV("setVideoOutputFormat width=%ld, height=%ld", width, height);
+    CODEC_LOGV("setVideoOutputFormat width=%d, height=%d", width, height);
 
     OMX_VIDEO_CODINGTYPE compressionFormat = OMX_VIDEO_CodingUnused;
     if (!strcasecmp(MEDIA_MIMETYPE_VIDEO_AVC, mime)) {
@@ -1650,7 +1650,7 @@ status_t OMXCodec::allocateBuffersOnPort(OMX_U32 portIndex) {
         return err;
     }
 
-    CODEC_LOGV("allocating %lu buffers of size %lu on %s port",
+    CODEC_LOGV("allocating %u buffers of size %u on %s port",
             def.nBufferCountActual, def.nBufferSize,
             portIndex == kPortIndexInput ? "input" : "output");
 
@@ -1723,7 +1723,7 @@ status_t OMXCodec::allocateBuffersOnPort(OMX_U32 portIndex) {
 
         mPortBuffers[portIndex].push(info);
 
-        CODEC_LOGV("allocated buffer %p on %s port", buffer,
+        CODEC_LOGV("allocated buffer %u on %s port", buffer,
              portIndex == kPortIndexInput ? "input" : "output");
     }
 
@@ -1745,7 +1745,7 @@ status_t OMXCodec::allocateBuffersOnPort(OMX_U32 portIndex) {
                 if (mSkipCutBuffer != NULL) {
                     size_t prevbuffersize = mSkipCutBuffer->size();
                     if (prevbuffersize != 0) {
-                        ALOGW("Replacing SkipCutBuffer holding %d bytes", prevbuffersize);
+                        ALOGW("Replacing SkipCutBuffer holding %zu bytes", prevbuffersize);
                     }
                 }
                 mSkipCutBuffer = new SkipCutBuffer(delay * frameSize, padding * frameSize);
@@ -1825,14 +1825,23 @@ status_t OMXCodec::allocateOutputBuffersFromNativeWindow() {
         return err;
     }
 
-    err = native_window_set_buffers_geometry(
+    err = native_window_set_buffers_dimensions(
             mNativeWindow.get(),
             def.format.video.nFrameWidth,
-            def.format.video.nFrameHeight,
+            def.format.video.nFrameHeight);
+
+    if (err != 0) {
+        ALOGE("native_window_set_buffers_dimensions failed: %s (%d)",
+                strerror(-err), -err);
+        return err;
+    }
+
+    err = native_window_set_buffers_format(
+            mNativeWindow.get(),
             def.format.video.eColorFormat);
 
     if (err != 0) {
-        ALOGE("native_window_set_buffers_geometry failed: %s (%d)",
+        ALOGE("native_window_set_buffers_format failed: %s (%d)",
                 strerror(-err), -err);
         return err;
     }
@@ -1873,7 +1882,7 @@ status_t OMXCodec::allocateOutputBuffersFromNativeWindow() {
         }
     }
 
-    ALOGV("native_window_set_usage usage=0x%lx", usage);
+    ALOGV("native_window_set_usage usage=0x%x", usage);
     err = native_window_set_usage(
             mNativeWindow.get(), usage | GRALLOC_USAGE_HW_TEXTURE | GRALLOC_USAGE_EXTERNAL_DISP);
     if (err != 0) {
@@ -2069,10 +2078,16 @@ status_t OMXCodec::pushBlankBuffersToNativeWindow() {
         return err;
     }
 
-    err = native_window_set_buffers_geometry(mNativeWindow.get(), 1, 1,
-            HAL_PIXEL_FORMAT_RGBX_8888);
+    err = native_window_set_buffers_dimensions(mNativeWindow.get(), 1, 1);
+    if (err != NO_ERROR) {
+        ALOGE("error pushing blank frames: set_buffers_dimensions failed: %s (%d)",
+                strerror(-err), -err);
+        goto error;
+    }
+
+    err = native_window_set_buffers_format(mNativeWindow.get(), HAL_PIXEL_FORMAT_RGBX_8888);
     if (err != NO_ERROR) {
-        ALOGE("error pushing blank frames: set_buffers_geometry failed: %s (%d)",
+        ALOGE("error pushing blank frames: set_buffers_format failed: %s (%d)",
                 strerror(-err), -err);
         goto error;
     }
@@ -2708,7 +2723,7 @@ void OMXCodec::onCmdComplete(OMX_COMMANDTYPE cmd, OMX_U32 data) {
 
         default:
         {
-            CODEC_LOGV("CMD_COMPLETE(%d, %ld)", cmd, data);
+            CODEC_LOGV("CMD_COMPLETE(%d, %u)", cmd, data);
             break;
         }
     }
@@ -2734,7 +2749,7 @@ void OMXCodec::onStateChange(OMX_STATETYPE newState) {
                 if (countBuffersWeOwn(mPortBuffers[kPortIndexInput]) !=
                     mPortBuffers[kPortIndexInput].size()) {
                     ALOGE("Codec did not return all input buffers "
-                          "(received %d / %d)",
+                          "(received %zu / %zu)",
                             countBuffersWeOwn(mPortBuffers[kPortIndexInput]),
                             mPortBuffers[kPortIndexInput].size());
                     TRESPASS();
@@ -2743,7 +2758,7 @@ void OMXCodec::onStateChange(OMX_STATETYPE newState) {
                 if (countBuffersWeOwn(mPortBuffers[kPortIndexOutput]) !=
                     mPortBuffers[kPortIndexOutput].size()) {
                     ALOGE("Codec did not return all output buffers "
-                          "(received %d / %d)",
+                          "(received %zu / %zu)",
                             countBuffersWeOwn(mPortBuffers[kPortIndexOutput]),
                             mPortBuffers[kPortIndexOutput].size());
                     TRESPASS();
@@ -2847,7 +2862,7 @@ status_t OMXCodec::freeBuffersOnPort(
         CHECK(info->mStatus == OWNED_BY_US
                 || info->mStatus == OWNED_BY_NATIVE_WINDOW);
 
-        CODEC_LOGV("freeing buffer %p on port %ld", info->mBuffer, portIndex);
+        CODEC_LOGV("freeing buffer %u on port %u", info->mBuffer, portIndex);
 
         status_t err = freeBuffer(portIndex, i);
 
@@ -2894,7 +2909,7 @@ status_t OMXCodec::freeBuffer(OMX_U32 portIndex, size_t bufIndex) {
 }
 
 void OMXCodec::onPortSettingsChanged(OMX_U32 portIndex) {
-    CODEC_LOGV("PORT_SETTINGS_CHANGED(%ld)", portIndex);
+    CODEC_LOGV("PORT_SETTINGS_CHANGED(%u)", portIndex);
 
     CHECK(mState == EXECUTING || mState == EXECUTING_TO_IDLE);
     CHECK_EQ(portIndex, (OMX_U32)kPortIndexOutput);
@@ -2921,7 +2936,7 @@ bool OMXCodec::flushPortAsync(OMX_U32 portIndex) {
     CHECK(mState == EXECUTING || mState == RECONFIGURING
             || mState == EXECUTING_TO_IDLE);
 
-    CODEC_LOGV("flushPortAsync(%ld): we own %d out of %d buffers already.",
+    CODEC_LOGV("flushPortAsync(%u): we own %zu out of %zu buffers already.",
          portIndex, countBuffersWeOwn(mPortBuffers[portIndex]),
          mPortBuffers[portIndex].size());
 
@@ -2950,7 +2965,7 @@ void OMXCodec::disablePortAsync(OMX_U32 portIndex) {
     CHECK_EQ((int)mPortStatus[portIndex], (int)ENABLED);
     mPortStatus[portIndex] = DISABLING;
 
-    CODEC_LOGV("sending OMX_CommandPortDisable(%ld)", portIndex);
+    CODEC_LOGV("sending OMX_CommandPortDisable(%u)", portIndex);
     status_t err =
         mOMX->sendCommand(mNode, OMX_CommandPortDisable, portIndex);
     CHECK_EQ(err, (status_t)OK);
@@ -2964,7 +2979,7 @@ status_t OMXCodec::enablePortAsync(OMX_U32 portIndex) {
     CHECK_EQ((int)mPortStatus[portIndex], (int)DISABLED);
     mPortStatus[portIndex] = ENABLING;
 
-    CODEC_LOGV("sending OMX_CommandPortEnable(%ld)", portIndex);
+    CODEC_LOGV("sending OMX_CommandPortEnable(%u)", portIndex);
     return mOMX->sendCommand(mNode, OMX_CommandPortEnable, portIndex);
 }
 
@@ -3037,7 +3052,7 @@ OMXCodec::BufferInfo *OMXCodec::findInputBufferByDataPointer(void *ptr) {
 
         if (info->mData == ptr) {
             CODEC_LOGV(
-                    "input buffer data ptr = %p, buffer_id = %p",
+                    "input buffer data ptr = %p, buffer_id = %u",
                     ptr,
                     info->mBuffer);
 
@@ -3147,7 +3162,7 @@ bool OMXCodec::drainInputBuffer(BufferInfo *info) {
                 if (srcBuffer->meta_data()->findInt64(
                             kKeyTargetTime, &targetTimeUs)
                         && targetTimeUs >= 0) {
-                    CODEC_LOGV("targetTimeUs = %lld us", targetTimeUs);
+                    CODEC_LOGV("targetTimeUs = %lld us", (long long)targetTimeUs);
                     mTargetTimeUs = targetTimeUs;
                 } else {
                     mTargetTimeUs = -1;
@@ -3181,7 +3196,7 @@ bool OMXCodec::drainInputBuffer(BufferInfo *info) {
             if (offset == 0) {
                 CODEC_LOGE(
                      "Codec's input buffers are too small to accomodate "
-                     "buffer read from source (info->mSize = %d, srcLength = %d)",
+                     "buffer read from source (info->mSize = %zu, srcLength = %zu)",
                      info->mSize, srcBuffer->range_length());
 
                 srcBuffer->release();
@@ -3287,10 +3302,10 @@ bool OMXCodec::drainInputBuffer(BufferInfo *info) {
         info = findEmptyInputBuffer();
     }
 
-    CODEC_LOGV("Calling emptyBuffer on buffer %p (length %d), "
+    CODEC_LOGV("Calling emptyBuffer on buffer %u (length %zu), "
                "timestamp %lld us (%.2f secs)",
                info->mBuffer, offset,
-               timestampUs, timestampUs / 1E6);
+               (long long)timestampUs, timestampUs / 1E6);
 
     err = mOMX->emptyBuffer(
             mNode, info->mBuffer, 0, offset,
@@ -3315,7 +3330,7 @@ void OMXCodec::fillOutputBuffer(BufferInfo *info) {
         return;
     }
 
-    CODEC_LOGV("Calling fillBuffer on buffer %p", info->mBuffer);
+    CODEC_LOGV("Calling fillBuffer on buffer %u", info->mBuffer);
     status_t err = mOMX->fillBuffer(mNode, info->mBuffer);
 
     if (err != OK) {
@@ -3372,7 +3387,7 @@ status_t OMXCodec::waitForBufferFilled_l() {
     }
     status_t err = mBufferFilled.waitRelative(mLock, kBufferFilledEventTimeOutNs);
     if (err != OK) {
-        CODEC_LOGE("Timed out waiting for output buffers: %d/%d",
+        CODEC_LOGE("Timed out waiting for output buffers: %zu/%zu",
             countBuffersWeOwn(mPortBuffers[kPortIndexInput]),
             countBuffersWeOwn(mPortBuffers[kPortIndexOutput]));
     }
@@ -3627,7 +3642,7 @@ void OMXCodec::setG711Format(int32_t sampleRate, int32_t numChannels) {
 
 void OMXCodec::setImageOutputFormat(
         OMX_COLOR_FORMATTYPE format, OMX_U32 width, OMX_U32 height) {
-    CODEC_LOGV("setImageOutputFormat(%ld, %ld)", width, height);
+    CODEC_LOGV("setImageOutputFormat(%u, %u)", width, height);
 
 #if 0
     OMX_INDEXTYPE index;
@@ -4281,14 +4296,14 @@ void OMXCodec::initOutputFormat(const sp<MetaData> &inputFormat) {
                 if ((OMX_U32)numChannels != params.nChannels) {
                     ALOGV("Codec outputs a different number of channels than "
                          "the input stream contains (contains %d channels, "
-                         "codec outputs %ld channels).",
+                         "codec outputs %u channels).",
                          numChannels, params.nChannels);
                 }
 
                 if (sampleRate != (int32_t)params.nSamplingRate) {
                     ALOGV("Codec outputs at different sampling rate than "
                          "what the input stream contains (contains data at "
-                         "%d Hz, codec outputs %lu Hz)",
+                         "%d Hz, codec outputs %u Hz)",
                          sampleRate, params.nSamplingRate);
                 }
 
@@ -4390,8 +4405,7 @@ void OMXCodec::initOutputFormat(const sp<MetaData> &inputFormat) {
                             mNode, OMX_IndexConfigCommonOutputCrop,
                             &rect, sizeof(rect));
 
-                CODEC_LOGI(
-                        "video dimensions are %ld x %ld",
+                CODEC_LOGI("video dimensions are %u x %u",
                         video_def->nFrameWidth, video_def->nFrameHeight);
 
                 if (err == OK) {
@@ -4409,8 +4423,7 @@ void OMXCodec::initOutputFormat(const sp<MetaData> &inputFormat) {
                             rect.nLeft + rect.nWidth - 1,
                             rect.nTop + rect.nHeight - 1);
 
-                    CODEC_LOGI(
-                            "Crop rect is %ld x %ld @ (%ld, %ld)",
+                    CODEC_LOGI("Crop rect is %u x %u @ (%d, %d)",
                             rect.nWidth, rect.nHeight, rect.nLeft, rect.nTop);
                 } else {
                     mOutputFormat->setRect(
diff --git a/media/libstagefright/OggExtractor.cpp b/media/libstagefright/OggExtractor.cpp
index 6e32494..d577034 100644
--- a/media/libstagefright/OggExtractor.cpp
+++ b/media/libstagefright/OggExtractor.cpp
@@ -250,7 +250,7 @@ status_t MyVorbisExtractor::findNextPage(
         if (!memcmp(signature, "OggS", 4)) {
             if (*pageOffset > startOffset) {
                 ALOGV("skipped %lld bytes of junk to reach next frame",
-                     *pageOffset - startOffset);
+                     (long long)(*pageOffset - startOffset));
             }
 
             return OK;
@@ -277,7 +277,7 @@ status_t MyVorbisExtractor::findPrevGranulePosition(
             prevGuess = 0;
         }
 
-        ALOGV("backing up %lld bytes", pageOffset - prevGuess);
+        ALOGV("backing up %lld bytes", (long long)(pageOffset - prevGuess));
 
         status_t err = findNextPage(prevGuess, &prevPageOffset);
         if (err != OK) {
@@ -295,7 +295,7 @@ status_t MyVorbisExtractor::findPrevGranulePosition(
     }
 
     ALOGV("prevPageOffset at %lld, pageOffset at %lld",
-         prevPageOffset, pageOffset);
+            (long long)prevPageOffset, (long long)pageOffset);
 
     for (;;) {
         Page prevPage;
@@ -320,7 +320,7 @@ status_t MyVorbisExtractor::seekToTime(int64_t timeUs) {
 
         off64_t pos = timeUs * approxBitrate() / 8000000ll;
 
-        ALOGV("seeking to offset %lld", pos);
+        ALOGV("seeking to offset %lld", (long long)pos);
         return seekToOffset(pos);
     }
 
@@ -348,7 +348,7 @@ status_t MyVorbisExtractor::seekToTime(int64_t timeUs) {
     const TOCEntry &entry = mTableOfContents.itemAt(left);
 
     ALOGV("seeking to entry %zu / %zu at offset %lld",
-         left, mTableOfContents.size(), entry.mPageOffset);
+         left, mTableOfContents.size(), (long long)entry.mPageOffset);
 
     return seekToOffset(entry.mPageOffset);
 }
@@ -391,8 +391,8 @@ ssize_t MyVorbisExtractor::readPage(off64_t offset, Page *page) {
     ssize_t n;
     if ((n = mSource->readAt(offset, header, sizeof(header)))
             < (ssize_t)sizeof(header)) {
-        ALOGV("failed to read %zu bytes at offset 0x%016llx, got %zd bytes",
-             sizeof(header), offset, n);
+        ALOGV("failed to read %zu bytes at offset %#016llx, got %zd bytes",
+                sizeof(header), (long long)offset, n);
 
         if (n < 0) {
             return n;
@@ -505,8 +505,8 @@ status_t MyVorbisExtractor::readNextPacket(MediaBuffer **out, bool conf) {
                     packetSize);
 
             if (n < (ssize_t)packetSize) {
-                ALOGV("failed to read %zu bytes at 0x%016llx, got %zd bytes",
-                     packetSize, dataOffset, n);
+                ALOGV("failed to read %zu bytes at %#016llx, got %zd bytes",
+                        packetSize, (long long)dataOffset, n);
                 return ERROR_IO;
             }
 
diff --git a/media/libstagefright/SampleTable.cpp b/media/libstagefright/SampleTable.cpp
index aba64d5..7f98485 100644
--- a/media/libstagefright/SampleTable.cpp
+++ b/media/libstagefright/SampleTable.cpp
@@ -230,7 +230,7 @@ status_t SampleTable::setSampleToChunkParams(
         return ERROR_MALFORMED;
     }
 
-    if (SIZE_MAX / sizeof(SampleToChunkEntry) <= mNumSampleToChunkOffsets)
+    if (SIZE_MAX / sizeof(SampleToChunkEntry) <= (size_t)mNumSampleToChunkOffsets)
         return ERROR_OUT_OF_RANGE;
 
     mSampleToChunkEntries =
diff --git a/media/libstagefright/VBRISeeker.cpp b/media/libstagefright/VBRISeeker.cpp
index e988f6d..8a0fcac 100644
--- a/media/libstagefright/VBRISeeker.cpp
+++ b/media/libstagefright/VBRISeeker.cpp
@@ -122,7 +122,7 @@ sp<VBRISeeker> VBRISeeker::CreateFromSource(
 
         seeker->mSegments.push(numBytes);
 
-        ALOGV("entry #%zu: %u offset 0x%016llx", i, numBytes, offset);
+        ALOGV("entry #%zu: %u offset %#016llx", i, numBytes, (long long)offset);
         offset += numBytes;
     }
 
@@ -163,7 +163,7 @@ bool VBRISeeker::getOffsetForTime(int64_t *timeUs, off64_t *pos) {
         *pos += mSegments.itemAt(segmentIndex++);
     }
 
-    ALOGV("getOffsetForTime %" PRId64 " us => 0x%016llx", *timeUs, *pos);
+    ALOGV("getOffsetForTime %lld us => 0x%016llx", (long long)*timeUs, (long long)*pos);
 
     *timeUs = nowUs;
 
diff --git a/media/libstagefright/codecs/avcdec/SoftAVCDec.cpp b/media/libstagefright/codecs/avcdec/SoftAVCDec.cpp
index 8388472..08e956a 100644
--- a/media/libstagefright/codecs/avcdec/SoftAVCDec.cpp
+++ b/media/libstagefright/codecs/avcdec/SoftAVCDec.cpp
@@ -191,7 +191,7 @@ status_t SoftAVC::setParams(size_t stride) {
     s_ctl_ip.u4_size = sizeof(ivd_ctl_set_config_ip_t);
     s_ctl_op.u4_size = sizeof(ivd_ctl_set_config_op_t);
 
-    ALOGV("Set the run-time (dynamic) parameters stride = %u", stride);
+    ALOGV("Set the run-time (dynamic) parameters stride = %zu", stride);
     status = ivdec_api_function(mCodecCtx, (void *)&s_ctl_ip, (void *)&s_ctl_op);
 
     if (status != IV_SUCCESS) {
@@ -452,7 +452,7 @@ status_t SoftAVC::initDecoder() {
     uint32_t bufferSize = displaySizeY * 3 / 2;
     mFlushOutBuffer = (uint8_t *)ivd_aligned_malloc(128, bufferSize);
     if (NULL == mFlushOutBuffer) {
-        ALOGE("Could not allocate flushOutputBuffer of size %zu", bufferSize);
+        ALOGE("Could not allocate flushOutputBuffer of size %u", bufferSize);
         return NO_MEMORY;
     }
 
diff --git a/media/libstagefright/codecs/avcenc/SoftAVCEnc.cpp b/media/libstagefright/codecs/avcenc/SoftAVCEnc.cpp
index bf5e353..06b2163 100644
--- a/media/libstagefright/codecs/avcenc/SoftAVCEnc.cpp
+++ b/media/libstagefright/codecs/avcenc/SoftAVCEnc.cpp
@@ -681,7 +681,7 @@ OMX_ERRORTYPE SoftAVC::initEncoder() {
     /* Allocate array to hold memory records */
     mMemRecords = (iv_mem_rec_t *)malloc(mNumMemRecords * sizeof(iv_mem_rec_t));
     if (NULL == mMemRecords) {
-        ALOGE("Unable to allocate memory for hold memory records: Size %d",
+        ALOGE("Unable to allocate memory for hold memory records: Size %zu",
                 mNumMemRecords * sizeof(iv_mem_rec_t));
         mSignalledError = true;
         notify(OMX_EventError, OMX_ErrorUndefined, 0, 0);
@@ -744,7 +744,7 @@ OMX_ERRORTYPE SoftAVC::initEncoder() {
             ps_mem_rec->pv_base = ive_aligned_malloc(
                     ps_mem_rec->u4_mem_alignment, ps_mem_rec->u4_mem_size);
             if (ps_mem_rec->pv_base == NULL) {
-                ALOGE("Allocation failure for mem record id %d size %d\n", i,
+                ALOGE("Allocation failure for mem record id %zu size %u\n", i,
                         ps_mem_rec->u4_mem_size);
                 mSignalledError = true;
                 notify(OMX_EventError, OMX_ErrorUndefined, 0, 0);
diff --git a/media/libstagefright/codecs/avcenc/SoftAVCEnc.h b/media/libstagefright/codecs/avcenc/SoftAVCEnc.h
index c4e26a9..2b35d45 100644
--- a/media/libstagefright/codecs/avcenc/SoftAVCEnc.h
+++ b/media/libstagefright/codecs/avcenc/SoftAVCEnc.h
@@ -25,7 +25,7 @@
 
 namespace android {
 
-struct MediaBuffer;
+class MediaBuffer;
 
 #define CODEC_MAX_CORES          4
 #define LEN_STATUS_BUFFER        (10  * 1024)
diff --git a/media/libstagefright/codecs/hevcdec/SoftHEVC.cpp b/media/libstagefright/codecs/hevcdec/SoftHEVC.cpp
index cddd176..5c05a0e 100644
--- a/media/libstagefright/codecs/hevcdec/SoftHEVC.cpp
+++ b/media/libstagefright/codecs/hevcdec/SoftHEVC.cpp
@@ -143,7 +143,7 @@ status_t SoftHEVC::setParams(size_t stride) {
     s_ctl_ip.u4_size = sizeof(ivd_ctl_set_config_ip_t);
     s_ctl_op.u4_size = sizeof(ivd_ctl_set_config_op_t);
 
-    ALOGV("Set the run-time (dynamic) parameters stride = %u", stride);
+    ALOGV("Set the run-time (dynamic) parameters stride = %zu", stride);
     status = ivdec_api_function(mCodecCtx, (void *)&s_ctl_ip,
             (void *)&s_ctl_op);
 
@@ -408,7 +408,7 @@ status_t SoftHEVC::initDecoder() {
     uint32_t bufferSize = displaySizeY * 3 / 2;
     mFlushOutBuffer = (uint8_t *)ivd_aligned_malloc(128, bufferSize);
     if (NULL == mFlushOutBuffer) {
-        ALOGE("Could not allocate flushOutputBuffer of size %zu", bufferSize);
+        ALOGE("Could not allocate flushOutputBuffer of size %u", bufferSize);
         return NO_MEMORY;
     }
 
diff --git a/media/libstagefright/codecs/mpeg2dec/SoftMPEG2.cpp b/media/libstagefright/codecs/mpeg2dec/SoftMPEG2.cpp
index fb7394b..e382f4c 100644
--- a/media/libstagefright/codecs/mpeg2dec/SoftMPEG2.cpp
+++ b/media/libstagefright/codecs/mpeg2dec/SoftMPEG2.cpp
@@ -156,7 +156,7 @@ status_t SoftMPEG2::setParams(size_t stride) {
     s_ctl_ip.u4_size = sizeof(ivd_ctl_set_config_ip_t);
     s_ctl_op.u4_size = sizeof(ivd_ctl_set_config_op_t);
 
-    ALOGV("Set the run-time (dynamic) parameters stride = %u", stride);
+    ALOGV("Set the run-time (dynamic) parameters stride = %zu", stride);
     status = ivdec_api_function(mCodecCtx, (void *)&s_ctl_ip, (void *)&s_ctl_op);
 
     if (status != IV_SUCCESS) {
@@ -394,7 +394,7 @@ status_t SoftMPEG2::initDecoder() {
     uint32_t bufferSize = displaySizeY * 3 / 2;
     mFlushOutBuffer = (uint8_t *)ivd_aligned_malloc(128, bufferSize);
     if (NULL == mFlushOutBuffer) {
-        ALOGE("Could not allocate flushOutputBuffer of size %zu", bufferSize);
+        ALOGE("Could not allocate flushOutputBuffer of size %u", bufferSize);
         return NO_MEMORY;
     }
 
diff --git a/media/libstagefright/colorconversion/Android.mk b/media/libstagefright/colorconversion/Android.mk
index 59a64ba..4f7c48f 100644
--- a/media/libstagefright/colorconversion/Android.mk
+++ b/media/libstagefright/colorconversion/Android.mk
@@ -9,6 +9,9 @@ LOCAL_C_INCLUDES := \
         $(TOP)/frameworks/native/include/media/openmax \
         $(TOP)/hardware/msm7k
 
+LOCAL_CFLAGS += -Werror
+LOCAL_CLANG := true
+
 LOCAL_MODULE:= libstagefright_color_conversion
 
 include $(BUILD_STATIC_LIBRARY)
diff --git a/media/libstagefright/filters/Android.mk b/media/libstagefright/filters/Android.mk
index 36ab444..c3eaa54 100644
--- a/media/libstagefright/filters/Android.mk
+++ b/media/libstagefright/filters/Android.mk
@@ -20,7 +20,8 @@ LOCAL_C_INCLUDES := \
 intermediates := $(call intermediates-dir-for,STATIC_LIBRARIES,libRS,TARGET,)
 LOCAL_C_INCLUDES += $(intermediates)
 
-LOCAL_CFLAGS += -Wno-multichar
+LOCAL_CFLAGS += -Wno-multichar -Werror
+LOCAL_CLANG := true
 
 LOCAL_MODULE:= libstagefright_mediafilter
 
diff --git a/media/libstagefright/filters/ColorConvert.cpp b/media/libstagefright/filters/ColorConvert.cpp
index a5039f9..a8d5dd2 100644
--- a/media/libstagefright/filters/ColorConvert.cpp
+++ b/media/libstagefright/filters/ColorConvert.cpp
@@ -93,8 +93,8 @@ void convertYUV420spToRGB888(
 void convertRGBAToARGB(
         uint8_t *src, int32_t width, int32_t height, uint32_t stride,
         uint8_t *dest) {
-    for (size_t i = 0; i < height; ++i) {
-        for (size_t j = 0; j < width; ++j) {
+    for (int32_t i = 0; i < height; ++i) {
+        for (int32_t j = 0; j < width; ++j) {
             uint8_t r = *src++;
             uint8_t g = *src++;
             uint8_t b = *src++;
diff --git a/media/libstagefright/filters/GraphicBufferListener.cpp b/media/libstagefright/filters/GraphicBufferListener.cpp
index 66374ba..a606315 100644
--- a/media/libstagefright/filters/GraphicBufferListener.cpp
+++ b/media/libstagefright/filters/GraphicBufferListener.cpp
@@ -40,7 +40,7 @@ status_t GraphicBufferListener::init(
 
     status_t err = mConsumer->setMaxAcquiredBufferCount(bufferCount);
     if (err != NO_ERROR) {
-        ALOGE("Unable to set BQ max acquired buffer count to %u: %d",
+        ALOGE("Unable to set BQ max acquired buffer count to %zu: %d",
                 bufferCount, err);
         return err;
     }
diff --git a/media/libstagefright/filters/MediaFilter.cpp b/media/libstagefright/filters/MediaFilter.cpp
index 0a09575..ecbda36 100644
--- a/media/libstagefright/filters/MediaFilter.cpp
+++ b/media/libstagefright/filters/MediaFilter.cpp
@@ -804,7 +804,7 @@ void MediaFilter::onSignalEndOfInputStream() {
         eosBuf->mGeneration = mGeneration;
         eosBuf->mData->setRange(0, 0);
         postDrainThisBuffer(eosBuf);
-        ALOGV("Posted EOS on output buffer %zu", eosBuf->mBufferID);
+        ALOGV("Posted EOS on output buffer %u", eosBuf->mBufferID);
     }
 
     mPortEOS[kPortIndexOutput] = true;
diff --git a/media/libstagefright/foundation/Android.mk b/media/libstagefright/foundation/Android.mk
index 08355c7..3c95f0b 100644
--- a/media/libstagefright/foundation/Android.mk
+++ b/media/libstagefright/foundation/Android.mk
@@ -30,6 +30,7 @@ LOCAL_SHARED_LIBRARIES := \
         libpowermanager
 
 LOCAL_CFLAGS += -Wno-multichar -Werror
+LOCAL_CLANG := true
 
 LOCAL_MODULE:= libstagefright_foundation
 
diff --git a/media/libstagefright/http/Android.mk b/media/libstagefright/http/Android.mk
index 7f3307d..a627898 100644
--- a/media/libstagefright/http/Android.mk
+++ b/media/libstagefright/http/Android.mk
@@ -22,6 +22,7 @@ LOCAL_MODULE:= libstagefright_http_support
 LOCAL_CFLAGS += -Wno-multichar
 
 LOCAL_CFLAGS += -Werror
+LOCAL_CLANG := true
 
 include $(BUILD_SHARED_LIBRARY)
 
diff --git a/media/libstagefright/httplive/Android.mk b/media/libstagefright/httplive/Android.mk
index 93b7935..a30be66 100644
--- a/media/libstagefright/httplive/Android.mk
+++ b/media/libstagefright/httplive/Android.mk
@@ -13,6 +13,7 @@ LOCAL_C_INCLUDES:= \
 	$(TOP)/frameworks/native/include/media/openmax
 
 LOCAL_CFLAGS += -Werror
+LOCAL_CLANG := true
 
 LOCAL_SHARED_LIBRARIES := \
         libbinder \
diff --git a/media/libstagefright/httplive/LiveSession.h b/media/libstagefright/httplive/LiveSession.h
index 86d0498..56cd702 100644
--- a/media/libstagefright/httplive/LiveSession.h
+++ b/media/libstagefright/httplive/LiveSession.h
@@ -30,7 +30,7 @@ namespace android {
 struct ABuffer;
 struct AReplyToken;
 struct AnotherPacketSource;
-struct DataSource;
+class DataSource;
 struct HTTPBase;
 struct IMediaHTTPService;
 struct LiveDataSource;
diff --git a/media/libstagefright/httplive/PlaylistFetcher.h b/media/libstagefright/httplive/PlaylistFetcher.h
index bb14a0d..95de9c3 100644
--- a/media/libstagefright/httplive/PlaylistFetcher.h
+++ b/media/libstagefright/httplive/PlaylistFetcher.h
@@ -27,7 +27,7 @@ namespace android {
 
 struct ABuffer;
 struct AnotherPacketSource;
-struct DataSource;
+class DataSource;
 struct HTTPBase;
 struct LiveDataSource;
 struct M3UParser;
diff --git a/media/libstagefright/id3/Android.mk b/media/libstagefright/id3/Android.mk
index 2194c38..f791899 100644
--- a/media/libstagefright/id3/Android.mk
+++ b/media/libstagefright/id3/Android.mk
@@ -5,6 +5,7 @@ LOCAL_SRC_FILES := \
 	ID3.cpp
 
 LOCAL_CFLAGS += -Werror
+LOCAL_CLANG := true
 
 LOCAL_MODULE := libstagefright_id3
 
@@ -18,6 +19,7 @@ LOCAL_SRC_FILES := \
 	testid3.cpp
 
 LOCAL_CFLAGS += -Werror
+LOCAL_CLANG := true
 
 LOCAL_SHARED_LIBRARIES := \
 	libstagefright libutils liblog libbinder libstagefright_foundation
diff --git a/media/libstagefright/include/AwesomePlayer.h b/media/libstagefright/include/AwesomePlayer.h
index 4704ad3..8bba804 100644
--- a/media/libstagefright/include/AwesomePlayer.h
+++ b/media/libstagefright/include/AwesomePlayer.h
@@ -31,20 +31,20 @@
 
 namespace android {
 
-struct AudioPlayer;
+class AudioPlayer;
 struct ClockEstimator;
-struct IDataSource;
-struct MediaBuffer;
+class IDataSource;
+class MediaBuffer;
 struct MediaExtractor;
 struct MediaSource;
 struct NuCachedSource2;
-struct IGraphicBufferProducer;
+class IGraphicBufferProducer;
 
 class DrmManagerClinet;
 class DecryptHandle;
 
 class TimedTextDriver;
-struct WVMExtractor;
+class WVMExtractor;
 
 struct AwesomeRenderer : public RefBase {
     AwesomeRenderer() {}
diff --git a/media/libstagefright/include/MPEG2PSExtractor.h b/media/libstagefright/include/MPEG2PSExtractor.h
index fb76564..22cb02d 100644
--- a/media/libstagefright/include/MPEG2PSExtractor.h
+++ b/media/libstagefright/include/MPEG2PSExtractor.h
@@ -28,7 +28,7 @@ namespace android {
 struct ABuffer;
 struct AMessage;
 struct Track;
-struct String8;
+class String8;
 
 struct MPEG2PSExtractor : public MediaExtractor {
     MPEG2PSExtractor(const sp<DataSource> &source);
diff --git a/media/libstagefright/include/MPEG2TSExtractor.h b/media/libstagefright/include/MPEG2TSExtractor.h
index db1187d..4dd340c 100644
--- a/media/libstagefright/include/MPEG2TSExtractor.h
+++ b/media/libstagefright/include/MPEG2TSExtractor.h
@@ -30,7 +30,7 @@ struct AnotherPacketSource;
 struct ATSParser;
 class DataSource;
 struct MPEG2TSSource;
-struct String8;
+class String8;
 
 struct MPEG2TSExtractor : public MediaExtractor {
     MPEG2TSExtractor(const sp<DataSource> &source);
diff --git a/media/libstagefright/include/OMX.h b/media/libstagefright/include/OMX.h
index e8c4970..b5487fa 100644
--- a/media/libstagefright/include/OMX.h
+++ b/media/libstagefright/include/OMX.h
@@ -24,7 +24,7 @@
 namespace android {
 
 struct OMXMaster;
-class OMXNodeInstance;
+struct OMXNodeInstance;
 
 class OMX : public BnOMX,
             public IBinder::DeathRecipient {
diff --git a/media/libstagefright/include/OMXNodeInstance.h b/media/libstagefright/include/OMXNodeInstance.h
index 104dcfc..d87b408 100644
--- a/media/libstagefright/include/OMXNodeInstance.h
+++ b/media/libstagefright/include/OMXNodeInstance.h
@@ -27,7 +27,7 @@ namespace android {
 
 class IOMXObserver;
 struct OMXMaster;
-struct GraphicBufferSource;
+class GraphicBufferSource;
 
 struct OMXNodeInstance {
     OMXNodeInstance(
diff --git a/media/libstagefright/include/SampleIterator.h b/media/libstagefright/include/SampleIterator.h
index 60c9e7e..7053247 100644
--- a/media/libstagefright/include/SampleIterator.h
+++ b/media/libstagefright/include/SampleIterator.h
@@ -18,7 +18,7 @@
 
 namespace android {
 
-struct SampleTable;
+class SampleTable;
 
 struct SampleIterator {
     SampleIterator(SampleTable *table);
diff --git a/media/libstagefright/include/StagefrightMetadataRetriever.h b/media/libstagefright/include/StagefrightMetadataRetriever.h
index 96a35f3..fd739d0 100644
--- a/media/libstagefright/include/StagefrightMetadataRetriever.h
+++ b/media/libstagefright/include/StagefrightMetadataRetriever.h
@@ -25,7 +25,7 @@
 
 namespace android {
 
-struct DataSource;
+class DataSource;
 class MediaExtractor;
 
 struct StagefrightMetadataRetriever : public MediaMetadataRetrieverInterface {
diff --git a/media/libstagefright/include/TimedEventQueue.h b/media/libstagefright/include/TimedEventQueue.h
index 2963150..890f7e8 100644
--- a/media/libstagefright/include/TimedEventQueue.h
+++ b/media/libstagefright/include/TimedEventQueue.h
@@ -46,7 +46,7 @@ struct TimedEventQueue {
         virtual void fire(TimedEventQueue *queue, int64_t now_us) = 0;
 
     private:
-        friend class TimedEventQueue;
+        friend struct TimedEventQueue;
 
         event_id mEventID;
 
diff --git a/media/libstagefright/include/VBRISeeker.h b/media/libstagefright/include/VBRISeeker.h
index 1a2bf9f..c57d571 100644
--- a/media/libstagefright/include/VBRISeeker.h
+++ b/media/libstagefright/include/VBRISeeker.h
@@ -24,7 +24,7 @@
 
 namespace android {
 
-struct DataSource;
+class DataSource;
 
 struct VBRISeeker : public MP3Seeker {
     static sp<VBRISeeker> CreateFromSource(
diff --git a/media/libstagefright/include/XINGSeeker.h b/media/libstagefright/include/XINGSeeker.h
index c408576..cce04f0 100644
--- a/media/libstagefright/include/XINGSeeker.h
+++ b/media/libstagefright/include/XINGSeeker.h
@@ -22,7 +22,7 @@
 
 namespace android {
 
-struct DataSource;
+class DataSource;
 
 struct XINGSeeker : public MP3Seeker {
     static sp<XINGSeeker> CreateFromSource(
diff --git a/media/libstagefright/matroska/Android.mk b/media/libstagefright/matroska/Android.mk
index 446ff8c..771952b 100644
--- a/media/libstagefright/matroska/Android.mk
+++ b/media/libstagefright/matroska/Android.mk
@@ -9,6 +9,7 @@ LOCAL_C_INCLUDES:= \
         $(TOP)/frameworks/native/include/media/openmax \
 
 LOCAL_CFLAGS += -Wno-multichar -Werror
+LOCAL_CLANG := true
 
 LOCAL_MODULE:= libstagefright_matroska
 
diff --git a/media/libstagefright/mpeg2ts/Android.mk b/media/libstagefright/mpeg2ts/Android.mk
index c17a0b7..0dcb3c5 100644
--- a/media/libstagefright/mpeg2ts/Android.mk
+++ b/media/libstagefright/mpeg2ts/Android.mk
@@ -14,6 +14,7 @@ LOCAL_C_INCLUDES:= \
 	$(TOP)/frameworks/native/include/media/openmax
 
 LOCAL_CFLAGS += -Werror
+LOCAL_CLANG := true
 
 LOCAL_MODULE:= libstagefright_mpeg2ts
 
diff --git a/media/libstagefright/omx/Android.mk b/media/libstagefright/omx/Android.mk
index 07ea605..71cbcfc 100644
--- a/media/libstagefright/omx/Android.mk
+++ b/media/libstagefright/omx/Android.mk
@@ -31,6 +31,8 @@ LOCAL_SHARED_LIBRARIES :=               \
         libdl
 
 LOCAL_MODULE:= libstagefright_omx
+LOCAL_CFLAGS += -Werror
+LOCAL_CLANG := true
 
 include $(BUILD_SHARED_LIBRARY)
 
diff --git a/media/libstagefright/omx/FrameDropper.cpp b/media/libstagefright/omx/FrameDropper.cpp
index 9fba0b7..9a4952e 100644
--- a/media/libstagefright/omx/FrameDropper.cpp
+++ b/media/libstagefright/omx/FrameDropper.cpp
@@ -50,20 +50,23 @@ bool FrameDropper::shouldDrop(int64_t timeUs) {
 
     if (mDesiredMinTimeUs < 0) {
         mDesiredMinTimeUs = timeUs + mMinIntervalUs;
-        ALOGV("first frame %lld, next desired frame %lld", timeUs, mDesiredMinTimeUs);
+        ALOGV("first frame %lld, next desired frame %lld",
+                (long long)timeUs, (long long)mDesiredMinTimeUs);
         return false;
     }
 
     if (timeUs < (mDesiredMinTimeUs - kMaxJitterUs)) {
         ALOGV("drop frame %lld, desired frame %lld, diff %lld",
-                timeUs, mDesiredMinTimeUs, mDesiredMinTimeUs - timeUs);
+                (long long)timeUs, (long long)mDesiredMinTimeUs,
+                (long long)(mDesiredMinTimeUs - timeUs));
         return true;
     }
 
     int64_t n = (timeUs - mDesiredMinTimeUs + kMaxJitterUs) / mMinIntervalUs;
     mDesiredMinTimeUs += (n + 1) * mMinIntervalUs;
     ALOGV("keep frame %lld, next desired frame %lld, diff %lld",
-            timeUs, mDesiredMinTimeUs, mDesiredMinTimeUs - timeUs);
+            (long long)timeUs, (long long)mDesiredMinTimeUs,
+            (long long)(mDesiredMinTimeUs - timeUs));
     return false;
 }
 
diff --git a/media/libstagefright/omx/GraphicBufferSource.h b/media/libstagefright/omx/GraphicBufferSource.h
index 1067472..718d2ee 100644
--- a/media/libstagefright/omx/GraphicBufferSource.h
+++ b/media/libstagefright/omx/GraphicBufferSource.h
@@ -30,7 +30,7 @@
 
 namespace android {
 
-class FrameDropper;
+struct FrameDropper;
 
 /*
  * This class is used to feed OMX codecs from a Surface via BufferQueue.
@@ -240,7 +240,7 @@ private:
     Vector<CodecBuffer> mCodecBuffers;
 
     ////
-    friend class AHandlerReflector<GraphicBufferSource>;
+    friend struct AHandlerReflector<GraphicBufferSource>;
 
     enum {
         kWhatRepeatLastFrame,
diff --git a/media/libstagefright/omx/SimpleSoftOMXComponent.cpp b/media/libstagefright/omx/SimpleSoftOMXComponent.cpp
index 801a1bd..04303c4 100644
--- a/media/libstagefright/omx/SimpleSoftOMXComponent.cpp
+++ b/media/libstagefright/omx/SimpleSoftOMXComponent.cpp
@@ -598,7 +598,7 @@ void SimpleSoftOMXComponent::checkTransitions() {
 
         if (port->mTransition == PortInfo::DISABLING) {
             if (port->mBuffers.empty()) {
-                ALOGV("Port %d now disabled.", i);
+                ALOGV("Port %zu now disabled.", i);
 
                 port->mTransition = PortInfo::NONE;
                 notify(OMX_EventCmdComplete, OMX_CommandPortDisable, i, NULL);
@@ -607,7 +607,7 @@ void SimpleSoftOMXComponent::checkTransitions() {
             }
         } else if (port->mTransition == PortInfo::ENABLING) {
             if (port->mDef.bPopulated == OMX_TRUE) {
-                ALOGV("Port %d now enabled.", i);
+                ALOGV("Port %zu now enabled.", i);
 
                 port->mTransition = PortInfo::NONE;
                 port->mDef.bEnabled = OMX_TRUE;
@@ -628,14 +628,14 @@ void SimpleSoftOMXComponent::addPort(const OMX_PARAM_PORTDEFINITIONTYPE &def) {
     info->mTransition = PortInfo::NONE;
 }
 
-void SimpleSoftOMXComponent::onQueueFilled(OMX_U32 portIndex) {
+void SimpleSoftOMXComponent::onQueueFilled(OMX_U32 portIndex __unused) {
 }
 
-void SimpleSoftOMXComponent::onPortFlushCompleted(OMX_U32 portIndex) {
+void SimpleSoftOMXComponent::onPortFlushCompleted(OMX_U32 portIndex __unused) {
 }
 
 void SimpleSoftOMXComponent::onPortEnableCompleted(
-        OMX_U32 portIndex, bool enabled) {
+        OMX_U32 portIndex __unused, bool enabled __unused) {
 }
 
 List<SimpleSoftOMXComponent::BufferInfo *> &
diff --git a/media/libstagefright/omx/tests/Android.mk b/media/libstagefright/omx/tests/Android.mk
index 9be637a..f7280f6 100644
--- a/media/libstagefright/omx/tests/Android.mk
+++ b/media/libstagefright/omx/tests/Android.mk
@@ -12,6 +12,7 @@ LOCAL_C_INCLUDES := \
 	$(TOP)/frameworks/native/include/media/openmax
 
 LOCAL_CFLAGS += -Werror
+LOCAL_CLANG := true
 
 LOCAL_MODULE := omx_tests
 
@@ -37,4 +38,7 @@ LOCAL_SHARED_LIBRARIES := \
 LOCAL_C_INCLUDES := \
 	frameworks/av/media/libstagefright/omx \
 
+LOCAL_CFLAGS += -Werror
+LOCAL_CLANG := true
+
 include $(BUILD_NATIVE_TEST)
diff --git a/media/libstagefright/omx/tests/FrameDropper_test.cpp b/media/libstagefright/omx/tests/FrameDropper_test.cpp
index 4ac72c4..f966b5e 100644
--- a/media/libstagefright/omx/tests/FrameDropper_test.cpp
+++ b/media/libstagefright/omx/tests/FrameDropper_test.cpp
@@ -100,7 +100,8 @@ protected:
         for (size_t i = 0; i < size; ++i) {
             int jitter = GetJitter(i);
             int64_t testTimeUs = frames[i].timeUs + jitter;
-            printf("time %lld, testTime %lld, jitter %d\n", frames[i].timeUs, testTimeUs, jitter);
+            printf("time %lld, testTime %lld, jitter %d\n",
+                    (long long)frames[i].timeUs, (long long)testTimeUs, jitter);
             EXPECT_EQ(frames[i].shouldDrop, mFrameDropper->shouldDrop(testTimeUs));
         }
     }
diff --git a/media/libstagefright/rtsp/ARTPWriter.h b/media/libstagefright/rtsp/ARTPWriter.h
index fdc8d23..be8bc13 100644
--- a/media/libstagefright/rtsp/ARTPWriter.h
+++ b/media/libstagefright/rtsp/ARTPWriter.h
@@ -32,7 +32,7 @@
 namespace android {
 
 struct ABuffer;
-struct MediaBuffer;
+class MediaBuffer;
 
 struct ARTPWriter : public MediaWriter {
     ARTPWriter(int fd);
diff --git a/media/libstagefright/rtsp/Android.mk b/media/libstagefright/rtsp/Android.mk
index 9fedb71..12a946c 100644
--- a/media/libstagefright/rtsp/Android.mk
+++ b/media/libstagefright/rtsp/Android.mk
@@ -32,6 +32,7 @@ ifeq ($(TARGET_ARCH),arm)
 endif
 
 LOCAL_CFLAGS += -Werror
+LOCAL_CLANG := true
 
 LOCAL_ADDITIONAL_DEPENDENCIES := $(LOCAL_PATH)/Android.mk
 
@@ -54,7 +55,8 @@ LOCAL_C_INCLUDES:= \
 	frameworks/av/media/libstagefright \
 	$(TOP)/frameworks/native/include/media/openmax
 
-LOCAL_CFLAGS += -Wno-multichar
+LOCAL_CFLAGS += -Wno-multichar -Werror
+LOCAL_CLANG := true
 
 LOCAL_MODULE_TAGS := optional
 
diff --git a/media/libstagefright/tests/Android.mk b/media/libstagefright/tests/Android.mk
index 51e1c78..532106b 100644
--- a/media/libstagefright/tests/Android.mk
+++ b/media/libstagefright/tests/Android.mk
@@ -31,6 +31,9 @@ LOCAL_C_INCLUDES := \
 	frameworks/av/media/libstagefright/include \
 	$(TOP)/frameworks/native/include/media/openmax \
 
+LOCAL_CFLAGS += -Werror
+LOCAL_CLANG := true
+
 LOCAL_32_BIT_ONLY := true
 
 include $(BUILD_NATIVE_TEST)
@@ -60,6 +63,9 @@ LOCAL_C_INCLUDES := \
 	frameworks/av/media/libstagefright/include \
 	$(TOP)/frameworks/native/include/media/openmax \
 
+LOCAL_CFLAGS += -Werror
+LOCAL_CLANG := true
+
 include $(BUILD_NATIVE_TEST)
 
 include $(CLEAR_VARS)
@@ -87,6 +93,9 @@ LOCAL_C_INCLUDES := \
 
 LOCAL_32_BIT_ONLY := true
 
+LOCAL_CFLAGS += -Werror
+LOCAL_CLANG := true
+
 include $(BUILD_NATIVE_TEST)
 
 # Include subdirectory makefiles
diff --git a/media/libstagefright/tests/DummyRecorder.h b/media/libstagefright/tests/DummyRecorder.h
index 1cbea1b..cd4d0ee 100644
--- a/media/libstagefright/tests/DummyRecorder.h
+++ b/media/libstagefright/tests/DummyRecorder.h
@@ -24,7 +24,7 @@
 
 namespace android {
 
-class MediaSource;
+struct MediaSource;
 class MediaBuffer;
 
 class DummyRecorder {
diff --git a/media/libstagefright/tests/MediaCodecListOverrides_test.cpp b/media/libstagefright/tests/MediaCodecListOverrides_test.cpp
index cacaa84..170cde3 100644
--- a/media/libstagefright/tests/MediaCodecListOverrides_test.cpp
+++ b/media/libstagefright/tests/MediaCodecListOverrides_test.cpp
@@ -278,7 +278,7 @@ TEST_F(MediaCodecListOverridesTest, exportResultsToExistingFile) {
     rewind(f);
 
     char *buf = (char *)malloc(size);
-    EXPECT_EQ(1, fread(buf, size, 1, f));
+    EXPECT_EQ((size_t)1, fread(buf, size, 1, f));
     overrides.setTo(buf, size);
     fclose(f);
     free(buf);
@@ -303,7 +303,7 @@ TEST_F(MediaCodecListOverridesTest, exportResultsToEmptyFile) {
     rewind(f);
 
     char *buf = (char *)malloc(size);
-    EXPECT_EQ(1, fread(buf, size, 1, f));
+    EXPECT_EQ((size_t)1, fread(buf, size, 1, f));
     overrides.setTo(buf, size);
     fclose(f);
     free(buf);
diff --git a/media/libstagefright/timedtext/Android.mk b/media/libstagefright/timedtext/Android.mk
index 6a8b9fc..1202a4d 100644
--- a/media/libstagefright/timedtext/Android.mk
+++ b/media/libstagefright/timedtext/Android.mk
@@ -10,6 +10,7 @@ LOCAL_SRC_FILES:=                 \
         TimedTextPlayer.cpp
 
 LOCAL_CFLAGS += -Wno-multichar -Werror
+LOCAL_CLANG := true
 
 LOCAL_C_INCLUDES:= \
         $(TOP)/frameworks/av/include/media/stagefright/timedtext \
diff --git a/media/libstagefright/timedtext/test/Android.mk b/media/libstagefright/timedtext/test/Android.mk
index 9a9fde2..06ea307 100644
--- a/media/libstagefright/timedtext/test/Android.mk
+++ b/media/libstagefright/timedtext/test/Android.mk
@@ -26,4 +26,7 @@ LOCAL_SHARED_LIBRARIES := \
     libstagefright_foundation \
     libutils
 
+LOCAL_CFLAGS += -Werror
+LOCAL_CLANG := true
+
 include $(BUILD_NATIVE_TEST)
diff --git a/media/libstagefright/timedtext/test/TimedTextSRTSource_test.cpp b/media/libstagefright/timedtext/test/TimedTextSRTSource_test.cpp
index 3a06d61..211e732 100644
--- a/media/libstagefright/timedtext/test/TimedTextSRTSource_test.cpp
+++ b/media/libstagefright/timedtext/test/TimedTextSRTSource_test.cpp
@@ -63,10 +63,10 @@ public:
     }
 
     virtual ssize_t readAt(off64_t offset, void *data, size_t size) {
-        if (offset >= mSize) return 0;
+        if ((size_t)offset >= mSize) return 0;
 
         ssize_t avail = mSize - offset;
-        if (avail > size) {
+        if ((size_t)avail > size) {
             avail = size;
         }
         memcpy(data, mData + offset, avail);
diff --git a/media/libstagefright/webm/Android.mk b/media/libstagefright/webm/Android.mk
index 7081463..c9fb83c 100644
--- a/media/libstagefright/webm/Android.mk
+++ b/media/libstagefright/webm/Android.mk
@@ -1,8 +1,10 @@
 LOCAL_PATH:= $(call my-dir)
 include $(CLEAR_VARS)
 
-LOCAL_CPPFLAGS += -D__STDINT_LIMITS \
-                  -Werror
+LOCAL_CPPFLAGS += -D__STDINT_LIMITS
+
+LOCAL_CFLAGS += -Werror
+LOCAL_CLANG := true
 
 LOCAL_SRC_FILES:= EbmlUtil.cpp        \
                   WebmElement.cpp     \
diff --git a/media/libstagefright/wifi-display/Android.mk b/media/libstagefright/wifi-display/Android.mk
index f70454a..0d9ba6f 100644
--- a/media/libstagefright/wifi-display/Android.mk
+++ b/media/libstagefright/wifi-display/Android.mk
@@ -30,6 +30,9 @@ LOCAL_SHARED_LIBRARIES:= \
         libui                           \
         libutils                        \
 
+LOCAL_CFLAGS += -Wno-multichar -Werror
+LOCAL_CLANG := true
+
 LOCAL_MODULE:= libstagefright_wfd
 
 LOCAL_MODULE_TAGS:= optional
diff --git a/media/libstagefright/wifi-display/VideoFormats.cpp b/media/libstagefright/wifi-display/VideoFormats.cpp
index 2f4af5b..27393fb 100644
--- a/media/libstagefright/wifi-display/VideoFormats.cpp
+++ b/media/libstagefright/wifi-display/VideoFormats.cpp
@@ -248,8 +248,8 @@ void VideoFormats::getProfileLevel(
     }
 
     if (bestProfile == -1 || bestLevel == -1) {
-        ALOGE("Profile or level not set for resolution type %d, index %d",
-              type, index);
+        ALOGE("Profile or level not set for resolution type %d, index %zu",
+                type, index);
         bestProfile = PROFILE_CBP;
         bestLevel = LEVEL_31;
     }
@@ -507,7 +507,7 @@ bool VideoFormats::PickBestFormat(
                 continue;
             }
 
-            ALOGV("type %u, index %u, %u x %u %c%u supported",
+            ALOGV("type %zu, index %zu, %zu x %zu %c%zu supported",
                   i, j, width, height, interlaced ? 'i' : 'p', framesPerSecond);
 
             uint32_t score = width * height * framesPerSecond;
diff --git a/media/libstagefright/wifi-display/rtp/RTPSender.cpp b/media/libstagefright/wifi-display/rtp/RTPSender.cpp
index 4e72533..a4eb378 100644
--- a/media/libstagefright/wifi-display/rtp/RTPSender.cpp
+++ b/media/libstagefright/wifi-display/rtp/RTPSender.cpp
@@ -672,8 +672,8 @@ status_t RTPSender::onRTCPData(const sp<ABuffer> &buffer) {
 
             default:
             {
-                ALOGW("Unknown RTCP packet type %u of size %d",
-                     (unsigned)data[1], headerLength);
+                ALOGW("Unknown RTCP packet type %u of size %zu",
+                        (unsigned)data[1], headerLength);
                 break;
             }
         }
@@ -764,7 +764,7 @@ status_t RTPSender::parseTSFB(const uint8_t *data, size_t size) {
     return OK;
 }
 
-status_t RTPSender::parseAPP(const uint8_t *data, size_t size) {
+status_t RTPSender::parseAPP(const uint8_t *data, size_t size __unused) {
     if (!memcmp("late", &data[8], 4)) {
         int64_t avgLatencyUs = (int64_t)U64_AT(&data[12]);
         int64_t maxLatencyUs = (int64_t)U64_AT(&data[20]);
diff --git a/media/libstagefright/wifi-display/source/Converter.cpp b/media/libstagefright/wifi-display/source/Converter.cpp
index 8368945..471152e 100644
--- a/media/libstagefright/wifi-display/source/Converter.cpp
+++ b/media/libstagefright/wifi-display/source/Converter.cpp
@@ -747,7 +747,7 @@ status_t Converter::doMoreWork() {
             buffer->meta()->setInt64("timeUs", timeUs);
 
             ALOGV("[%s] time %lld us (%.2f secs)",
-                  mIsVideo ? "video" : "audio", timeUs, timeUs / 1E6);
+                    mIsVideo ? "video" : "audio", (long long)timeUs, timeUs / 1E6);
 
             memcpy(buffer->data(), outbuf->base() + offset, size);
 
diff --git a/media/libstagefright/wifi-display/source/Converter.h b/media/libstagefright/wifi-display/source/Converter.h
index 5876e07..b182990 100644
--- a/media/libstagefright/wifi-display/source/Converter.h
+++ b/media/libstagefright/wifi-display/source/Converter.h
@@ -23,7 +23,7 @@
 namespace android {
 
 struct ABuffer;
-struct IGraphicBufferProducer;
+class IGraphicBufferProducer;
 struct MediaCodec;
 
 #define ENABLE_SILENCE_DETECTION        0
diff --git a/media/libstagefright/wifi-display/source/PlaybackSession.cpp b/media/libstagefright/wifi-display/source/PlaybackSession.cpp
index 6080943..b37a46c 100644
--- a/media/libstagefright/wifi-display/source/PlaybackSession.cpp
+++ b/media/libstagefright/wifi-display/source/PlaybackSession.cpp
@@ -508,7 +508,7 @@ void WifiDisplaySource::PlaybackSession::onMessageReceived(
             } else if (what == Converter::kWhatEOS) {
                 CHECK_EQ(what, Converter::kWhatEOS);
 
-                ALOGI("output EOS on track %d", trackIndex);
+                ALOGI("output EOS on track %zu", trackIndex);
 
                 ssize_t index = mTracks.indexOfKey(trackIndex);
                 CHECK_GE(index, 0);
@@ -581,7 +581,7 @@ void WifiDisplaySource::PlaybackSession::onMessageReceived(
             CHECK(msg->findSize("trackIndex", &trackIndex));
 
             if (what == Track::kWhatStopped) {
-                ALOGI("Track %d stopped", trackIndex);
+                ALOGI("Track %zu stopped", trackIndex);
 
                 sp<Track> track = mTracks.valueFor(trackIndex);
                 looper()->unregisterHandler(track->id());
diff --git a/media/libstagefright/wifi-display/source/PlaybackSession.h b/media/libstagefright/wifi-display/source/PlaybackSession.h
index 2824143..4cd1a75 100644
--- a/media/libstagefright/wifi-display/source/PlaybackSession.h
+++ b/media/libstagefright/wifi-display/source/PlaybackSession.h
@@ -26,7 +26,7 @@ namespace android {
 
 struct ABuffer;
 struct IHDCP;
-struct IGraphicBufferProducer;
+class IGraphicBufferProducer;
 struct MediaPuller;
 struct MediaSource;
 struct MediaSender;
diff --git a/media/libstagefright/wifi-display/source/WifiDisplaySource.cpp b/media/libstagefright/wifi-display/source/WifiDisplaySource.cpp
index 14d0951..332fe16 100644
--- a/media/libstagefright/wifi-display/source/WifiDisplaySource.cpp
+++ b/media/libstagefright/wifi-display/source/WifiDisplaySource.cpp
@@ -881,7 +881,7 @@ status_t WifiDisplaySource::onReceiveM3Response(
                     &framesPerSecond,
                     &interlaced));
 
-        ALOGI("Picked video resolution %u x %u %c%u",
+        ALOGI("Picked video resolution %zu x %zu %c%zu",
               width, height, interlaced ? 'i' : 'p', framesPerSecond);
 
         ALOGI("Picked AVC profile %d, level %d",
diff --git a/media/libstagefright/yuv/Android.mk b/media/libstagefright/yuv/Android.mk
index bb86dfc..5b36825 100644
--- a/media/libstagefright/yuv/Android.mk
+++ b/media/libstagefright/yuv/Android.mk
@@ -13,6 +13,6 @@ LOCAL_MODULE:= libstagefright_yuv
 
 
 LOCAL_CFLAGS += -Werror
-
+LOCAL_CLANG := true
 
 include $(BUILD_SHARED_LIBRARY)