diff --git a/include/media/stagefright/MediaCodec.h b/include/media/stagefright/MediaCodec.h
index cacfa54..b1e57cf 100644
--- a/include/media/stagefright/MediaCodec.h
+++ b/include/media/stagefright/MediaCodec.h
@@ -113,6 +113,8 @@
     // pending, an error is pending.
     void requestActivityNotification(const sp<AMessage> &notify);
 
+    status_t getName(AString *componentName) const;
+
 protected:
     virtual ~MediaCodec();
     virtual void onMessageReceived(const sp<AMessage> &msg);
@@ -154,6 +156,7 @@
         kWhatCodecNotify                    = 'codc',
         kWhatRequestIDRFrame                = 'ridr',
         kWhatRequestActivityNotification    = 'racN',
+        kWhatGetName                        = 'getN',
     };
 
     enum {
@@ -178,6 +181,7 @@
     sp<ALooper> mLooper;
     sp<ALooper> mCodecLooper;
     sp<ACodec> mCodec;
+    AString mComponentName;
     uint32_t mReplyID;
     uint32_t mFlags;
     sp<SurfaceTextureClient> mNativeWindow;
diff --git a/include/media/stagefright/MediaExtractor.h b/include/media/stagefright/MediaExtractor.h
index 94090ee..3076a96 100644
--- a/include/media/stagefright/MediaExtractor.h
+++ b/include/media/stagefright/MediaExtractor.h
@@ -67,7 +67,7 @@
     }
 
 protected:
-    MediaExtractor() {}
+    MediaExtractor() : mIsDrm(false) {}
     virtual ~MediaExtractor() {}
 
 private:
diff --git a/media/libmedia/AudioTrack.cpp b/media/libmedia/AudioTrack.cpp
index 362d022..aec8c4a 100644
--- a/media/libmedia/AudioTrack.cpp
+++ b/media/libmedia/AudioTrack.cpp
@@ -1441,7 +1441,7 @@
     result.append(" AudioTrack::dump\n");
     snprintf(buffer, 255, "  stream type(%d), left - right volume(%f, %f)\n", mStreamType, mVolume[0], mVolume[1]);
     result.append(buffer);
-    snprintf(buffer, 255, "  format(%d), channel count(%d), frame count(%d)\n", mFormat, mChannelCount, mCblk->frameCount);
+    snprintf(buffer, 255, "  format(%d), channel count(%d), frame count(%d)\n", mFormat, mChannelCount, (mCblk == 0) ? 0 : mCblk->frameCount);
     result.append(buffer);
     snprintf(buffer, 255, "  sample rate(%d), status(%d), muted(%d)\n", (mCblk == 0) ? 0 : mCblk->sampleRate, mStatus, mMuted);
     result.append(buffer);
diff --git a/media/libstagefright/MPEG4Extractor.cpp b/media/libstagefright/MPEG4Extractor.cpp
index dc8e4a3..b2afec7 100644
--- a/media/libstagefright/MPEG4Extractor.cpp
+++ b/media/libstagefright/MPEG4Extractor.cpp
@@ -30,6 +30,7 @@
 #include <string.h>
 
 #include <media/stagefright/foundation/ABitReader.h>
+#include <media/stagefright/foundation/ABuffer.h>
 #include <media/stagefright/foundation/ADebug.h>
 #include <media/stagefright/foundation/AMessage.h>
 #include <media/stagefright/DataSource.h>
@@ -1221,18 +1222,15 @@
 
         case FOURCC('a', 'v', 'c', 'C'):
         {
-            char buffer[256];
-            if (chunk_data_size > (off64_t)sizeof(buffer)) {
-                return ERROR_BUFFER_TOO_SMALL;
-            }
+            sp<ABuffer> buffer = new ABuffer(chunk_data_size);
 
             if (mDataSource->readAt(
-                        data_offset, buffer, chunk_data_size) < chunk_data_size) {
+                        data_offset, buffer->data(), chunk_data_size) < chunk_data_size) {
                 return ERROR_IO;
             }
 
             mLastTrack->meta->setData(
-                    kKeyAVCC, kTypeAVCC, buffer, chunk_data_size);
+                    kKeyAVCC, kTypeAVCC, buffer->data(), chunk_data_size);
 
             *offset += chunk_size;
             break;
@@ -1633,8 +1631,9 @@
         {
             if (size == 16 && flags == 0) {
                 char tmp[16];
-                sprintf(tmp, "%d/%d",
-                        (int)buffer[size - 5], (int)buffer[size - 3]);
+                uint16_t* pTrack = (uint16_t*)&buffer[10];
+                uint16_t* pTotalTracks = (uint16_t*)&buffer[12];
+                sprintf(tmp, "%d/%d", ntohs(*pTrack), ntohs(*pTotalTracks));
 
                 mFileMetaData->setCString(kKeyCDTrackNumber, tmp);
             }
@@ -1642,10 +1641,11 @@
         }
         case FOURCC('d', 'i', 's', 'k'):
         {
-            if (size == 14 && flags == 0) {
+            if ((size == 14 || size == 16) && flags == 0) {
                 char tmp[16];
-                sprintf(tmp, "%d/%d",
-                        (int)buffer[size - 3], (int)buffer[size - 1]);
+                uint16_t* pDisc = (uint16_t*)&buffer[10];
+                uint16_t* pTotalDiscs = (uint16_t*)&buffer[12];
+                sprintf(tmp, "%d/%d", ntohs(*pDisc), ntohs(*pTotalDiscs));
 
                 mFileMetaData->setCString(kKeyDiscNumber, tmp);
             }
diff --git a/media/libstagefright/MediaCodec.cpp b/media/libstagefright/MediaCodec.cpp
index 56e6df0..cb8a651 100644
--- a/media/libstagefright/MediaCodec.cpp
+++ b/media/libstagefright/MediaCodec.cpp
@@ -302,6 +302,20 @@
     return OK;
 }
 
+status_t MediaCodec::getName(AString *name) const {
+    sp<AMessage> msg = new AMessage(kWhatGetName, id());
+
+    sp<AMessage> response;
+    status_t err;
+    if ((err = PostAndAwaitResponse(msg, &response)) != OK) {
+        return err;
+    }
+
+    CHECK(response->findString("name", name));
+
+    return OK;
+}
+
 status_t MediaCodec::getInputBuffers(Vector<sp<ABuffer> > *buffers) const {
     sp<AMessage> msg = new AMessage(kWhatGetBuffers, id());
     msg->setInt32("portIndex", kPortIndexInput);
@@ -534,16 +548,15 @@
                     CHECK_EQ(mState, INITIALIZING);
                     setState(INITIALIZED);
 
-                    AString componentName;
-                    CHECK(msg->findString("componentName", &componentName));
+                    CHECK(msg->findString("componentName", &mComponentName));
 
-                    if (componentName.startsWith("OMX.google.")) {
+                    if (mComponentName.startsWith("OMX.google.")) {
                         mFlags |= kFlagIsSoftwareCodec;
                     } else {
                         mFlags &= ~kFlagIsSoftwareCodec;
                     }
 
-                    if (componentName.endsWith(".secure")) {
+                    if (mComponentName.endsWith(".secure")) {
                         mFlags |= kFlagIsSecure;
                     } else {
                         mFlags &= ~kFlagIsSecure;
@@ -1171,6 +1184,25 @@
             break;
         }
 
+        case kWhatGetName:
+        {
+            uint32_t replyID;
+            CHECK(msg->senderAwaitsResponse(&replyID));
+
+            if (mComponentName.empty()) {
+                sp<AMessage> response = new AMessage;
+                response->setInt32("err", INVALID_OPERATION);
+
+                response->postReply(replyID);
+                break;
+            }
+
+            sp<AMessage> response = new AMessage;
+            response->setString("name", mComponentName.c_str());
+            response->postReply(replyID);
+            break;
+        }
+
         default:
             TRESPASS();
     }
@@ -1240,6 +1272,10 @@
         mActivityNotify.clear();
     }
 
+    if (newState == UNINITIALIZED) {
+        mComponentName.clear();
+    }
+
     mState = newState;
 
     cancelPendingDequeueOperations();
diff --git a/media/libstagefright/StagefrightMediaScanner.cpp b/media/libstagefright/StagefrightMediaScanner.cpp
index b7cf96e..bccffd8 100644
--- a/media/libstagefright/StagefrightMediaScanner.cpp
+++ b/media/libstagefright/StagefrightMediaScanner.cpp
@@ -42,7 +42,7 @@
         ".mpeg", ".ogg", ".mid", ".smf", ".imy", ".wma", ".aac",
         ".wav", ".amr", ".midi", ".xmf", ".rtttl", ".rtx", ".ota",
         ".mkv", ".mka", ".webm", ".ts", ".fl", ".flac", ".mxmf",
-        ".avi", ".mpeg", ".mpg"
+        ".avi", ".mpeg", ".mpg", ".mpga"
     };
     static const size_t kNumValidExtensions =
         sizeof(kValidExtensions) / sizeof(kValidExtensions[0]);
diff --git a/media/libstagefright/StagefrightMetadataRetriever.cpp b/media/libstagefright/StagefrightMetadataRetriever.cpp
index a2f3f13..19af4fb 100644
--- a/media/libstagefright/StagefrightMetadataRetriever.cpp
+++ b/media/libstagefright/StagefrightMetadataRetriever.cpp
@@ -433,7 +433,7 @@
         return NULL;
     }
 
-    return strdup(mMetaData.valueAt(index).string());
+    return mMetaData.valueAt(index).string();
 }
 
 void StagefrightMetadataRetriever::parseMetaData() {
diff --git a/media/libstagefright/WVMExtractor.cpp b/media/libstagefright/WVMExtractor.cpp
index 31b2bcf..5ae80cc 100644
--- a/media/libstagefright/WVMExtractor.cpp
+++ b/media/libstagefright/WVMExtractor.cpp
@@ -72,15 +72,18 @@
     }
 }
 
-bool WVMExtractor::getVendorLibHandle()
+static void init_routine()
 {
-    if (gVendorLibHandle == NULL) {
-        gVendorLibHandle = dlopen("libwvm.so", RTLD_NOW);
-    }
-
+    gVendorLibHandle = dlopen("libwvm.so", RTLD_NOW);
     if (gVendorLibHandle == NULL) {
         ALOGE("Failed to open libwvm.so");
     }
+}
+
+bool WVMExtractor::getVendorLibHandle()
+{
+    static pthread_once_t sOnceControl = PTHREAD_ONCE_INIT;
+    pthread_once(&sOnceControl, init_routine);
 
     return gVendorLibHandle != NULL;
 }
diff --git a/media/libstagefright/codecs/amrwbenc/src/asm/ARMV5E/pred_lt4_1_opt.s b/media/libstagefright/codecs/amrwbenc/src/asm/ARMV5E/pred_lt4_1_opt.s
index e0b338d..ac2dd13 100644
--- a/media/libstagefright/codecs/amrwbenc/src/asm/ARMV5E/pred_lt4_1_opt.s
+++ b/media/libstagefright/codecs/amrwbenc/src/asm/ARMV5E/pred_lt4_1_opt.s
@@ -44,7 +44,9 @@
          SUBLT     r5, r5, #2                         @x--
          SUB       r5, r5, #30                        @x -= 15
          RSB       r4, r2, #3                         @k = 3 - frac
-         LDR       r6, Table
+         ADRL      r8, Table
+         LDR       r6, [r8]
+         ADD       r6, r8
 	 MOV       r8, r4, LSL #6
          @MOV       r7, #0                             @j = 0
          ADD       r8, r6, r8                         @ptr2 = &(inter4_2[k][0])
@@ -451,7 +453,7 @@
          LDMFD     r13!, {r4 - r12, r15}
 
 Table:
-         .word       inter4_2
+         .word       inter4_2-Table
 	 @ENDFUNC
 	 .END
 
diff --git a/media/libstagefright/rtsp/MyHandler.h b/media/libstagefright/rtsp/MyHandler.h
index deee30f..96c7683 100644
--- a/media/libstagefright/rtsp/MyHandler.h
+++ b/media/libstagefright/rtsp/MyHandler.h
@@ -1091,6 +1091,10 @@
 
     void parsePlayResponse(const sp<ARTSPResponse> &response) {
         mSeekable = false;
+        if (mTracks.size() == 0) {
+            ALOGV("parsePlayResponse: late packets ignored.");
+            return;
+        }
 
         ssize_t i = response->mHeaders.indexOfKey("range");
         if (i < 0) {