Merge "Fix paths rendering issues."
diff --git a/api/current.xml b/api/current.xml
index a97bde6..874c74a 100644
--- a/api/current.xml
+++ b/api/current.xml
@@ -153982,6 +153982,17 @@
  visibility="public"
 >
 </method>
+<method name="getTitleRes"
+ return="int"
+ abstract="false"
+ native="false"
+ synchronized="false"
+ static="false"
+ final="false"
+ deprecated="not deprecated"
+ visibility="public"
+>
+</method>
 <method name="getView"
  return="android.view.View"
  abstract="false"
@@ -154889,6 +154900,10 @@
 </parameter>
 <parameter name="args" type="android.os.Bundle">
 </parameter>
+<parameter name="titleRes" type="int">
+</parameter>
+<parameter name="shortTitleRes" type="int">
+</parameter>
 </method>
 <method name="onGetInitialHeader"
  return="android.preference.PreferenceActivity.Header"
@@ -155094,6 +155109,29 @@
 <parameter name="resultRequestCode" type="int">
 </parameter>
 </method>
+<method name="startWithFragment"
+ return="void"
+ abstract="false"
+ native="false"
+ synchronized="false"
+ static="false"
+ final="false"
+ deprecated="not deprecated"
+ visibility="public"
+>
+<parameter name="fragmentName" type="java.lang.String">
+</parameter>
+<parameter name="args" type="android.os.Bundle">
+</parameter>
+<parameter name="resultTo" type="android.app.Fragment">
+</parameter>
+<parameter name="resultRequestCode" type="int">
+</parameter>
+<parameter name="titleRes" type="int">
+</parameter>
+<parameter name="shortTitleRes" type="int">
+</parameter>
+</method>
 <method name="switchToHeader"
  return="void"
  abstract="false"
@@ -155155,6 +155193,28 @@
  visibility="public"
 >
 </field>
+<field name="EXTRA_SHOW_FRAGMENT_SHORT_TITLE"
+ type="java.lang.String"
+ transient="false"
+ volatile="false"
+ value="&quot;:android:show_fragment_short_title&quot;"
+ static="true"
+ final="true"
+ deprecated="not deprecated"
+ visibility="public"
+>
+</field>
+<field name="EXTRA_SHOW_FRAGMENT_TITLE"
+ type="java.lang.String"
+ transient="false"
+ volatile="false"
+ value="&quot;:android:show_fragment_title&quot;"
+ static="true"
+ final="true"
+ deprecated="not deprecated"
+ visibility="public"
+>
+</field>
 <field name="HEADER_ID_UNDEFINED"
  type="long"
  transient="false"
diff --git a/core/java/android/preference/Preference.java b/core/java/android/preference/Preference.java
index 7d37e5b..5e1be21 100644
--- a/core/java/android/preference/Preference.java
+++ b/core/java/android/preference/Preference.java
@@ -89,6 +89,7 @@
 
     private int mOrder = DEFAULT_ORDER;
     private CharSequence mTitle;
+    private int mTitleRes;
     private CharSequence mSummary;
     /**
      * mIconResId is overridden by mIcon, if mIcon is specified.
@@ -214,6 +215,7 @@
                     break;
                     
                 case com.android.internal.R.styleable.Preference_title:
+                    mTitleRes = a.getResourceId(attr, 0);
                     mTitle = a.getString(attr);
                     break;
                     
@@ -582,6 +584,7 @@
      */
     public void setTitle(CharSequence title) {
         if (title == null && mTitle != null || title != null && !title.equals(mTitle)) {
+            mTitleRes = 0;
             mTitle = title;
             notifyChanged();
         }
@@ -595,9 +598,21 @@
      */
     public void setTitle(int titleResId) {
         setTitle(mContext.getString(titleResId));
+        mTitleRes = titleResId;
     }
     
     /**
+     * Returns the title resource ID of this Preference.  If the title did
+     * not come from a resource, 0 is returned.
+     *
+     * @return The title resource.
+     * @see #setTitle(int)
+     */
+    public int getTitleRes() {
+        return mTitleRes;
+    }
+
+    /**
      * Returns the title of this Preference.
      * 
      * @return The title.
diff --git a/core/java/android/preference/PreferenceActivity.java b/core/java/android/preference/PreferenceActivity.java
index db50bfc..15d5898 100644
--- a/core/java/android/preference/PreferenceActivity.java
+++ b/core/java/android/preference/PreferenceActivity.java
@@ -132,13 +132,28 @@
 
     /**
      * When starting this activity and using {@link #EXTRA_SHOW_FRAGMENT},
-     * this extra can also be specify to supply a Bundle of arguments to pass
+     * this extra can also be specified to supply a Bundle of arguments to pass
      * to that fragment when it is instantiated during the initial creation
      * of PreferenceActivity.
      */
     public static final String EXTRA_SHOW_FRAGMENT_ARGUMENTS = ":android:show_fragment_args";
 
     /**
+     * When starting this activity and using {@link #EXTRA_SHOW_FRAGMENT},
+     * this extra can also be specify to supply the title to be shown for
+     * that fragment.
+     */
+    public static final String EXTRA_SHOW_FRAGMENT_TITLE = ":android:show_fragment_title";
+
+    /**
+     * When starting this activity and using {@link #EXTRA_SHOW_FRAGMENT},
+     * this extra can also be specify to supply the short title to be shown for
+     * that fragment.
+     */
+    public static final String EXTRA_SHOW_FRAGMENT_SHORT_TITLE
+            = ":android:show_fragment_short_title";
+
+    /**
      * When starting this activity, the invoking Intent can contain this extra
      * boolean that the header list should not be displayed.  This is most often
      * used in conjunction with {@link #EXTRA_SHOW_FRAGMENT} to launch
@@ -488,7 +503,12 @@
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
 
-        setContentView(com.android.internal.R.layout.preference_list_content);
+        if (getResources().getConfiguration().isLayoutSizeAtLeast(
+                Configuration.SCREENLAYOUT_SIZE_LARGE)) {
+            setContentView(com.android.internal.R.layout.preference_list_content_large);
+        } else {
+            setContentView(com.android.internal.R.layout.preference_list_content);
+        }
 
         mListFooter = (FrameLayout)findViewById(com.android.internal.R.id.list_footer);
         mPrefsContainer = (ViewGroup) findViewById(com.android.internal.R.id.prefs_frame);
@@ -496,6 +516,8 @@
         mSinglePane = hidingHeaders || !onIsMultiPane();
         String initialFragment = getIntent().getStringExtra(EXTRA_SHOW_FRAGMENT);
         Bundle initialArguments = getIntent().getBundleExtra(EXTRA_SHOW_FRAGMENT_ARGUMENTS);
+        int initialTitle = getIntent().getIntExtra(EXTRA_SHOW_FRAGMENT_TITLE, 0);
+        int initialShortTitle = getIntent().getIntExtra(EXTRA_SHOW_FRAGMENT_SHORT_TITLE, 0);
 
         if (savedInstanceState != null) {
             // We are restarting from a previous saved state; used that to
@@ -516,6 +538,12 @@
                 // new fragment mode, but don't need to compute and show
                 // the headers.
                 switchToHeader(initialFragment, initialArguments);
+                if (initialTitle != 0) {
+                    CharSequence initialTitleStr = getText(initialTitle);
+                    CharSequence initialShortTitleStr = initialShortTitle != 0
+                            ? getText(initialShortTitle) : null;
+                    showBreadCrumbs(initialTitleStr, initialShortTitleStr);
+                }
 
             } else {
                 // We need to try to build the headers.
@@ -557,7 +585,12 @@
         } else {
             // If there are no headers, we are in the old "just show a screen
             // of preferences" mode.
-            setContentView(com.android.internal.R.layout.preference_list_content_single);
+            if (getResources().getConfiguration().isLayoutSizeAtLeast(
+                    Configuration.SCREENLAYOUT_SIZE_LARGE)) {
+                setContentView(com.android.internal.R.layout.preference_list_content_single_large);
+            } else {
+                setContentView(com.android.internal.R.layout.preference_list_content_single);
+            }
             mListFooter = (FrameLayout) findViewById(com.android.internal.R.id.list_footer);
             mPrefsContainer = (ViewGroup) findViewById(com.android.internal.R.id.prefs);
             mPreferenceManager = new PreferenceManager(this, FIRST_REQUEST_CODE);
@@ -942,7 +975,8 @@
 
     /**
      * Called when the user selects an item in the header list.  The default
-     * implementation will call either {@link #startWithFragment(String, Bundle, Fragment, int)}
+     * implementation will call either
+     * {@link #startWithFragment(String, Bundle, Fragment, int, int, int)}
      * or {@link #switchToHeader(Header)} as appropriate.
      *
      * @param header The header that was selected.
@@ -951,7 +985,14 @@
     public void onHeaderClick(Header header, int position) {
         if (header.fragment != null) {
             if (mSinglePane) {
-                startWithFragment(header.fragment, header.fragmentArguments, null, 0);
+                int titleRes = header.breadCrumbTitleRes;
+                int shortTitleRes = header.breadCrumbShortTitleRes;
+                if (titleRes == 0) {
+                    titleRes = header.titleRes;
+                    shortTitleRes = 0;
+                }
+                startWithFragment(header.fragment, header.fragmentArguments, null, 0,
+                        titleRes, shortTitleRes);
             } else {
                 switchToHeader(header);
             }
@@ -961,7 +1002,7 @@
     }
 
     /**
-     * Called by {@link #startWithFragment(String, Bundle, Fragment, int)} when
+     * Called by {@link #startWithFragment(String, Bundle, Fragment, int, int, int)} when
      * in single-pane mode, to build an Intent to launch a new activity showing
      * the selected fragment.  The default implementation constructs an Intent
      * that re-launches the current activity with the appropriate arguments to
@@ -969,19 +1010,33 @@
      * 
      * @param fragmentName The name of the fragment to display.
      * @param args Optional arguments to supply to the fragment.
+     * @param titleRes Optional resource ID of title to show for this item.
+     * @param titleRes Optional resource ID of short title to show for this item.
      * @return Returns an Intent that can be launched to display the given
      * fragment.
      */
-    public Intent onBuildStartFragmentIntent(String fragmentName, Bundle args) {
+    public Intent onBuildStartFragmentIntent(String fragmentName, Bundle args,
+            int titleRes, int shortTitleRes) {
         Intent intent = new Intent(Intent.ACTION_MAIN);
         intent.setClass(this, getClass());
         intent.putExtra(EXTRA_SHOW_FRAGMENT, fragmentName);
         intent.putExtra(EXTRA_SHOW_FRAGMENT_ARGUMENTS, args);
+        intent.putExtra(EXTRA_SHOW_FRAGMENT_TITLE, titleRes);
+        intent.putExtra(EXTRA_SHOW_FRAGMENT_SHORT_TITLE, shortTitleRes);
         intent.putExtra(EXTRA_NO_HEADERS, true);
         return intent;
     }
     
     /**
+     * Like {@link #startWithFragment(String, Bundle, Fragment, int, int, int)}
+     * but uses a 0 titleRes.
+     */
+    public void startWithFragment(String fragmentName, Bundle args,
+            Fragment resultTo, int resultRequestCode) {
+        startWithFragment(fragmentName, args, resultTo, resultRequestCode, 0, 0);
+    }
+
+    /**
      * Start a new instance of this activity, showing only the given
      * preference fragment.  When launched in this mode, the header list
      * will be hidden and the given preference fragment will be instantiated
@@ -993,10 +1048,14 @@
      * the activity launch.
      * @param resultRequestCode If resultTo is non-null, this is the request
      * code in which to report the result.
+     * @param titleRes Resource ID of string to display for the title of
+     * this set of preferences.
+     * @param titleRes Resource ID of string to display for the short title of
+     * this set of preferences.
      */
     public void startWithFragment(String fragmentName, Bundle args,
-            Fragment resultTo, int resultRequestCode) {
-        Intent intent = onBuildStartFragmentIntent(fragmentName, args);
+            Fragment resultTo, int resultRequestCode, int titleRes, int shortTitleRes) {
+        Intent intent = onBuildStartFragmentIntent(fragmentName, args, titleRes, shortTitleRes);
         if (resultTo == null) {
             startActivity(intent);
         } else {
@@ -1013,16 +1072,16 @@
         if (mFragmentBreadCrumbs == null) {
             View crumbs = findViewById(android.R.id.title);
             // For screens with a different kind of title, don't create breadcrumbs.
-            if (!(crumbs instanceof FragmentBreadCrumbs)) return;
-            mFragmentBreadCrumbs = (FragmentBreadCrumbs) findViewById(android.R.id.title);
+            try {
+                mFragmentBreadCrumbs = (FragmentBreadCrumbs)crumbs;
+            } catch (ClassCastException e) {
+                return;
+            }
             if (mFragmentBreadCrumbs == null) {
-                mFragmentBreadCrumbs = new FragmentBreadCrumbs(this);
-                ActionBar actionBar = getActionBar();
-                if (actionBar != null) {
-                    actionBar.setDisplayOptions(ActionBar.DISPLAY_SHOW_CUSTOM,
-                            ActionBar.DISPLAY_SHOW_TITLE | ActionBar.DISPLAY_SHOW_CUSTOM);
-                    actionBar.setCustomView(mFragmentBreadCrumbs);
+                if (title != null) {
+                    setTitle(title);
                 }
+                return;
             }
             mFragmentBreadCrumbs.setMaxVisible(2);
             mFragmentBreadCrumbs.setActivity(this);
@@ -1190,7 +1249,7 @@
     public void startPreferencePanel(String fragmentClass, Bundle args, int titleRes,
             CharSequence titleText, Fragment resultTo, int resultRequestCode) {
         if (mSinglePane) {
-            startWithFragment(fragmentClass, args, resultTo, resultRequestCode);
+            startWithFragment(fragmentClass, args, resultTo, resultRequestCode, titleRes, 0);
         } else {
             Fragment f = Fragment.instantiate(this, fragmentClass, args);
             if (resultTo != null) {
@@ -1236,7 +1295,8 @@
     
     @Override
     public boolean onPreferenceStartFragment(PreferenceFragment caller, Preference pref) {
-        startPreferencePanel(pref.getFragment(), pref.getExtras(), 0, pref.getTitle(), null, 0);
+        startPreferencePanel(pref.getFragment(), pref.getExtras(), pref.getTitleRes(),
+                pref.getTitle(), null, 0);
         return true;
     }
 
diff --git a/core/java/android/preference/PreferenceFragment.java b/core/java/android/preference/PreferenceFragment.java
index 4e22ba0..7511e14 100644
--- a/core/java/android/preference/PreferenceFragment.java
+++ b/core/java/android/preference/PreferenceFragment.java
@@ -20,6 +20,7 @@
 import android.app.Fragment;
 import android.content.Intent;
 import android.content.SharedPreferences;
+import android.content.res.Configuration;
 import android.os.Bundle;
 import android.os.Handler;
 import android.os.Message;
@@ -151,8 +152,14 @@
     @Override
     public View onCreateView(LayoutInflater inflater, ViewGroup container,
             Bundle savedInstanceState) {
-        return inflater.inflate(com.android.internal.R.layout.preference_list_fragment,
-                container, false);
+        if (getResources().getConfiguration().isLayoutSizeAtLeast(
+                Configuration.SCREENLAYOUT_SIZE_LARGE)) {
+            return inflater.inflate(com.android.internal.R.layout.preference_list_fragment_large,
+                    container, false);
+        } else {
+            return inflater.inflate(com.android.internal.R.layout.preference_list_fragment,
+                    container, false);
+        }
     }
 
     @Override
diff --git a/core/java/android/webkit/ZoomManager.java b/core/java/android/webkit/ZoomManager.java
index 72052a6..f2a1ec3 100644
--- a/core/java/android/webkit/ZoomManager.java
+++ b/core/java/android/webkit/ZoomManager.java
@@ -504,7 +504,7 @@
     }
 
     public boolean isFixedLengthAnimationInProgress() {
-        return mZoomScale != 0;
+        return mZoomScale != 0 || mInHWAcceleratedZoom;
     }
 
     public void refreshZoomScale(boolean reflowText) {
diff --git a/core/java/android/widget/DatePicker.java b/core/java/android/widget/DatePicker.java
index 1d442db..7210e21 100644
--- a/core/java/android/widget/DatePicker.java
+++ b/core/java/android/widget/DatePicker.java
@@ -410,73 +410,27 @@
     }
 
     /**
-     * Reorders the spinners according to the date format in the current
-     * {@link Locale}.
+     * Reorders the spinners according to the date format that is
+     * explicitly set by the user and if no such is set fall back
+     * to the current locale's default format.
      */
     private void reorderSpinners() {
-        java.text.DateFormat format;
-        String order;
-
-        /*
-         * If the user is in a locale where the medium date format is still
-         * numeric (Japanese and Czech, for example), respect the date format
-         * order setting. Otherwise, use the order that the locale says is
-         * appropriate for a spelled-out date.
-         */
-
-        if (getShortMonths()[0].startsWith("1")) {
-            format = DateFormat.getDateFormat(getContext());
-        } else {
-            format = DateFormat.getMediumDateFormat(getContext());
-        }
-
-        if (format instanceof SimpleDateFormat) {
-            order = ((SimpleDateFormat) format).toPattern();
-        } else {
-            // Shouldn't happen, but just in case.
-            order = new String(DateFormat.getDateFormatOrder(getContext()));
-        }
-
-        /*
-         * Remove the 3 spinners from their parent and then add them back in the
-         * required order.
-         */
-        LinearLayout parent = mSpinners;
-        parent.removeAllViews();
-
-        boolean quoted = false;
-        boolean didDay = false, didMonth = false, didYear = false;
-
-        for (int i = 0; i < order.length(); i++) {
-            char c = order.charAt(i);
-
-            if (c == '\'') {
-                quoted = !quoted;
+        mSpinners.removeAllViews();
+        char[] order = DateFormat.getDateFormatOrder(getContext());
+        for (int i = 0; i < order.length; i++) {
+            switch (order[i]) {
+                case DateFormat.DATE:
+                    mSpinners.addView(mDaySpinner);
+                    break;
+                case DateFormat.MONTH:
+                    mSpinners.addView(mMonthSpinner);
+                    break;
+                case DateFormat.YEAR:
+                    mSpinners.addView(mYearSpinner);
+                    break;
+                default:
+                    throw new IllegalArgumentException();
             }
-
-            if (!quoted) {
-                if (c == DateFormat.DATE && !didDay) {
-                    parent.addView(mDaySpinner);
-                    didDay = true;
-                } else if ((c == DateFormat.MONTH || c == 'L') && !didMonth) {
-                    parent.addView(mMonthSpinner);
-                    didMonth = true;
-                } else if (c == DateFormat.YEAR && !didYear) {
-                    parent.addView(mYearSpinner);
-                    didYear = true;
-                }
-            }
-        }
-
-        // Shouldn't happen, but just in case.
-        if (!didMonth) {
-            parent.addView(mMonthSpinner);
-        }
-        if (!didDay) {
-            parent.addView(mDaySpinner);
-        }
-        if (!didYear) {
-            parent.addView(mYearSpinner);
         }
     }
 
diff --git a/core/java/com/android/internal/app/LocalePicker.java b/core/java/com/android/internal/app/LocalePicker.java
index e32c62d..52cb679 100644
--- a/core/java/com/android/internal/app/LocalePicker.java
+++ b/core/java/com/android/internal/app/LocalePicker.java
@@ -88,7 +88,7 @@
     public static ArrayAdapter<LocaleInfo> constructAdapter(Context context,
             int layoutId, int fieldId) {
         final Resources resources = context.getResources();
-        final String[] locales = context.getAssets().getLocales();
+        final String[] locales = Resources.getSystem().getAssets().getLocales();
         final String[] specialLocaleCodes = resources.getStringArray(R.array.special_locale_codes);
         final String[] specialLocaleNames = resources.getStringArray(R.array.special_locale_names);
         Arrays.sort(locales);
diff --git a/core/res/res/drawable-hdpi/ic_media_video_poster.png b/core/res/res/drawable-hdpi/ic_media_video_poster.png
new file mode 100644
index 0000000..6c1fd6b
--- /dev/null
+++ b/core/res/res/drawable-hdpi/ic_media_video_poster.png
Binary files differ
diff --git a/core/res/res/drawable-ldpi/ic_media_video_poster.png b/core/res/res/drawable-ldpi/ic_media_video_poster.png
new file mode 100644
index 0000000..786d0e6
--- /dev/null
+++ b/core/res/res/drawable-ldpi/ic_media_video_poster.png
Binary files differ
diff --git a/core/res/res/drawable-mdpi/ic_media_video_poster.png b/core/res/res/drawable-mdpi/ic_media_video_poster.png
new file mode 100644
index 0000000..10bbd74
--- /dev/null
+++ b/core/res/res/drawable-mdpi/ic_media_video_poster.png
Binary files differ
diff --git a/core/res/res/layout/preference_list_content.xml b/core/res/res/layout/preference_list_content.xml
index 5d034a5..925b715 100644
--- a/core/res/res/layout/preference_list_content.xml
+++ b/core/res/res/layout/preference_list_content.xml
@@ -36,8 +36,6 @@
             android:layout_height="match_parent"
             android:layout_marginRight="@dimen/preference_screen_side_margin_negative"
             android:layout_marginLeft="@dimen/preference_screen_side_margin"
-            android:layout_marginTop="32dp"
-            android:layout_marginBottom="32dp"
             android:layout_weight="10">
 
             <ListView android:id="@android:id/list"
@@ -61,33 +59,9 @@
                 android:layout_width="0px"
                 android:layout_height="match_parent"
                 android:layout_weight="20"
-                android:layout_marginLeft="@dimen/preference_screen_side_margin"
-                android:layout_marginRight="@dimen/preference_screen_side_margin"
-                android:layout_marginTop="16dp"
-                android:layout_marginBottom="16dp"
-                android:background="?attr/detailsElementBackground"
                 android:orientation="vertical"
                 android:visibility="gone" >
 
-            <!-- Breadcrumb inserted here -->
-            <android.app.FragmentBreadCrumbs
-                android:id="@android:id/title"
-                android:layout_height="72dip"
-                android:layout_width="match_parent"
-                android:paddingTop="16dip"
-                android:paddingBottom="8dip"
-                android:gravity="center_vertical|left"
-                android:layout_marginLeft="48dip"
-                android:layout_marginRight="48dip"
-                />
-
-            <ImageView
-                    android:layout_width="match_parent"
-                    android:layout_height="1dip"
-                    android:paddingLeft="32dip"
-                    android:paddingRight="32dip"
-                    android:src="#404040"
-                />
             <android.preference.PreferenceFrameLayout android:id="@+id/prefs"
                     android:layout_width="match_parent"
                     android:layout_height="0dip"
diff --git a/core/res/res/layout/preference_list_content_large.xml b/core/res/res/layout/preference_list_content_large.xml
new file mode 100644
index 0000000..14d188e
--- /dev/null
+++ b/core/res/res/layout/preference_list_content_large.xml
@@ -0,0 +1,140 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+/* //device/apps/common/assets/res/layout/list_content.xml
+**
+** Copyright 2011, The Android Open Source Project
+**
+** Licensed under the Apache License, Version 2.0 (the "License");
+** you may not use this file except in compliance with the License.
+** You may obtain a copy of the License at
+**
+**     http://www.apache.org/licenses/LICENSE-2.0
+**
+** Unless required by applicable law or agreed to in writing, software
+** distributed under the License is distributed on an "AS IS" BASIS,
+** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+** See the License for the specific language governing permissions and
+** limitations under the License.
+*/
+-->
+
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    android:orientation="vertical"
+    android:layout_height="match_parent"
+    android:layout_width="match_parent">
+
+    <LinearLayout
+        android:orientation="horizontal"
+        android:layout_width="match_parent"
+        android:layout_height="0px"
+        android:layout_weight="1">
+
+        <LinearLayout
+            android:id="@+id/headers"
+            android:orientation="vertical"
+            android:layout_width="0px"
+            android:layout_height="match_parent"
+            android:layout_marginRight="@dimen/preference_screen_side_margin_negative"
+            android:layout_marginLeft="@dimen/preference_screen_side_margin"
+            android:layout_marginTop="32dp"
+            android:layout_marginBottom="32dp"
+            android:layout_weight="10">
+
+            <ListView android:id="@android:id/list"
+                android:layout_width="match_parent"
+                android:layout_height="0px"
+                android:layout_weight="1"
+                android:drawSelectorOnTop="false"
+                android:cacheColorHint="@android:color/transparent"
+                android:listPreferredItemHeight="48dp"
+                android:scrollbarAlwaysDrawVerticalTrack="true" />
+
+            <FrameLayout android:id="@+id/list_footer"
+                    android:layout_width="match_parent"
+                    android:layout_height="wrap_content"
+                    android:layout_weight="0" />
+
+        </LinearLayout>
+
+        <LinearLayout
+                android:id="@+id/prefs_frame"
+                android:layout_width="0px"
+                android:layout_height="match_parent"
+                android:layout_weight="20"
+                android:layout_marginLeft="@dimen/preference_screen_side_margin"
+                android:layout_marginRight="@dimen/preference_screen_side_margin"
+                android:layout_marginTop="16dp"
+                android:layout_marginBottom="16dp"
+                android:background="?attr/detailsElementBackground"
+                android:orientation="vertical"
+                android:visibility="gone" >
+
+            <!-- Breadcrumb inserted here -->
+            <android.app.FragmentBreadCrumbs
+                android:id="@android:id/title"
+                android:layout_height="72dip"
+                android:layout_width="match_parent"
+                android:paddingTop="16dip"
+                android:paddingBottom="8dip"
+                android:gravity="center_vertical|left"
+                android:layout_marginLeft="48dip"
+                android:layout_marginRight="48dip"
+                />
+
+            <ImageView
+                    android:layout_width="match_parent"
+                    android:layout_height="1dip"
+                    android:paddingLeft="32dip"
+                    android:paddingRight="32dip"
+                    android:src="#404040"
+                />
+            <android.preference.PreferenceFrameLayout android:id="@+id/prefs"
+                    android:layout_width="match_parent"
+                    android:layout_height="0dip"
+                    android:layout_weight="1"
+                    android:layout_marginTop="-1dip"
+                />
+        </LinearLayout>
+    </LinearLayout>
+
+    <RelativeLayout android:id="@+id/button_bar"
+        android:layout_height="wrap_content"
+        android:layout_width="match_parent"
+        android:layout_weight="0"
+        android:background="@android:drawable/bottom_bar"
+        android:visibility="gone">
+
+        <Button android:id="@+id/back_button"
+            android:layout_width="150dip"
+            android:layout_height="wrap_content"
+            android:layout_margin="5dip"
+            android:layout_alignParentLeft="true"
+            android:drawableLeft="@drawable/ic_btn_back"
+            android:drawablePadding="3dip"
+            android:text="@string/back_button_label"
+        />
+        <LinearLayout
+            android:orientation="horizontal"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_alignParentRight="true">
+
+            <Button android:id="@+id/skip_button"
+                android:layout_width="150dip"
+                android:layout_height="wrap_content"
+                android:layout_margin="5dip"
+                android:text="@string/skip_button_label"
+                android:visibility="gone"
+            />
+
+            <Button android:id="@+id/next_button"
+                android:layout_width="150dip"
+                android:layout_height="wrap_content"
+                android:layout_margin="5dip"
+                android:drawableRight="@drawable/ic_btn_next"
+                android:drawablePadding="3dip"
+                android:text="@string/next_button_label"
+            />
+        </LinearLayout>
+    </RelativeLayout>
+</LinearLayout>
diff --git a/core/res/res/layout-xlarge/preference_list_content_single.xml b/core/res/res/layout/preference_list_content_single_large.xml
similarity index 100%
rename from core/res/res/layout-xlarge/preference_list_content_single.xml
rename to core/res/res/layout/preference_list_content_single_large.xml
diff --git a/core/res/res/layout/preference_list_fragment.xml b/core/res/res/layout/preference_list_fragment.xml
index 393cecf..4044371 100644
--- a/core/res/res/layout/preference_list_fragment.xml
+++ b/core/res/res/layout/preference_list_fragment.xml
@@ -28,10 +28,6 @@
         android:layout_width="match_parent"
         android:layout_height="0px"
         android:layout_weight="1"
-        android:paddingTop="0dip"
-        android:paddingBottom="48dip"
-        android:paddingLeft="32dip"
-        android:paddingRight="32dip"
         android:clipToPadding="false"
         android:drawSelectorOnTop="false"
         android:cacheColorHint="@android:color/transparent"
diff --git a/core/res/res/layout/preference_list_fragment_large.xml b/core/res/res/layout/preference_list_fragment_large.xml
new file mode 100644
index 0000000..cde84ff
--- /dev/null
+++ b/core/res/res/layout/preference_list_fragment_large.xml
@@ -0,0 +1,80 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+/*
+** Copyright 2011, The Android Open Source Project
+**
+** Licensed under the Apache License, Version 2.0 (the "License");
+** you may not use this file except in compliance with the License.
+** You may obtain a copy of the License at
+**
+**     http://www.apache.org/licenses/LICENSE-2.0
+**
+** Unless required by applicable law or agreed to in writing, software
+** distributed under the License is distributed on an "AS IS" BASIS,
+** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+** See the License for the specific language governing permissions and
+** limitations under the License.
+*/
+-->
+
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    android:orientation="vertical"
+    android:layout_height="match_parent"
+    android:layout_width="match_parent"
+    android:background="@android:color/transparent"
+    android:layout_removeBorders="true">
+
+    <ListView android:id="@android:id/list"
+        android:layout_width="match_parent"
+        android:layout_height="0px"
+        android:layout_weight="1"
+        android:paddingTop="0dip"
+        android:paddingBottom="48dip"
+        android:paddingLeft="32dip"
+        android:paddingRight="32dip"
+        android:clipToPadding="false"
+        android:drawSelectorOnTop="false"
+        android:cacheColorHint="@android:color/transparent"
+        android:scrollbarAlwaysDrawVerticalTrack="true" />
+
+    <RelativeLayout android:id="@+id/button_bar"
+        android:layout_height="wrap_content"
+        android:layout_width="match_parent"
+        android:layout_weight="0"
+        android:background="@android:drawable/bottom_bar"
+        android:visibility="gone">
+
+        <Button android:id="@+id/back_button"
+            android:layout_width="150dip"
+            android:layout_height="wrap_content"
+            android:layout_margin="5dip"
+            android:layout_alignParentLeft="true"
+            android:drawableLeft="@drawable/ic_btn_back"
+            android:drawablePadding="3dip"
+            android:text="@string/back_button_label"
+        />
+        <LinearLayout
+            android:orientation="horizontal"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_alignParentRight="true">
+
+            <Button android:id="@+id/skip_button"
+                android:layout_width="150dip"
+                android:layout_height="wrap_content"
+                android:layout_margin="5dip"
+                android:text="@string/skip_button_label"
+                android:visibility="gone"
+            />
+
+            <Button android:id="@+id/next_button"
+                android:layout_width="150dip"
+                android:layout_height="wrap_content"
+                android:layout_margin="5dip"
+                android:drawableRight="@drawable/ic_btn_next"
+                android:drawablePadding="3dip"
+                android:text="@string/next_button_label"
+            />
+        </LinearLayout>
+    </RelativeLayout>
+</LinearLayout>
diff --git a/core/res/res/values-large/dimens.xml b/core/res/res/values-large/dimens.xml
index 5691548..cd1847f 100644
--- a/core/res/res/values-large/dimens.xml
+++ b/core/res/res/values-large/dimens.xml
@@ -19,4 +19,7 @@
 <resources>
     <item type="dimen" name="dialog_min_width_major">55%</item>
     <item type="dimen" name="dialog_min_width_minor">80%</item>
+
+    <!-- Preference UI dimensions for larger screens. -->
+    <dimen name="preference_widget_width">56dp</dimen>
 </resources>
diff --git a/core/res/res/values-large/styles.xml b/core/res/res/values-large/styles.xml
new file mode 100644
index 0000000..96a8c84
--- /dev/null
+++ b/core/res/res/values-large/styles.xml
@@ -0,0 +1,24 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- Copyright (C) 2011 The Android Open Source Project
+
+     Licensed under the Apache License, Version 2.0 (the "License");
+     you may not use this file except in compliance with the License.
+     You may obtain a copy of the License at
+
+          http://www.apache.org/licenses/LICENSE-2.0
+
+     Unless required by applicable law or agreed to in writing, software
+     distributed under the License is distributed on an "AS IS" BASIS,
+     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+     See the License for the specific language governing permissions and
+     limitations under the License.
+-->
+
+<resources>
+    <style name="Widget.Holo.PreferenceFrameLayout">
+        <item name="android:borderTop">0dip</item>
+        <item name="android:borderBottom">48dip</item>
+        <item name="android:borderLeft">32dip</item>
+        <item name="android:borderRight">32dip</item>
+    </style>
+</resources>
diff --git a/core/res/res/values/dimens.xml b/core/res/res/values/dimens.xml
index 8a590cd..cca7d8b 100644
--- a/core/res/res/values/dimens.xml
+++ b/core/res/res/values/dimens.xml
@@ -52,12 +52,13 @@
     <dimen name="password_keyboard_key_height_numeric">56dip</dimen>
     <!-- Default correction for the space key in the password keyboard -->
     <dimen name="password_keyboard_spacebar_vertical_correction">4dip</dimen>
+
     <!-- Preference activity side margins -->
     <dimen name="preference_screen_side_margin">0dp</dimen>
     <!-- Preference activity side margins negative-->
     <dimen name="preference_screen_side_margin_negative">0dp</dimen>
     <!-- Preference widget area width (to the left of the text) -->
-    <dimen name="preference_widget_width">56dp</dimen>
+    <dimen name="preference_widget_width">8dp</dimen>
 
     <!-- The platform's desired minimum size for a dialog's width when it
          is along the major axis (that is the screen is landscape).  This may
diff --git a/core/res/res/values/styles.xml b/core/res/res/values/styles.xml
index 11c3916..08f5410 100644
--- a/core/res/res/values/styles.xml
+++ b/core/res/res/values/styles.xml
@@ -2179,8 +2179,8 @@
 
     <style name="Widget.Holo.PreferenceFrameLayout">
         <item name="android:borderTop">0dip</item>
-        <item name="android:borderBottom">48dip</item>
-        <item name="android:borderLeft">32dip</item>
-        <item name="android:borderRight">32dip</item>
+        <item name="android:borderBottom">0dip</item>
+        <item name="android:borderLeft">0dip</item>
+        <item name="android:borderRight">0dip</item>
     </style>
 </resources>
diff --git a/include/media/mediarecorder.h b/include/media/mediarecorder.h
index a710546..67d940b 100644
--- a/include/media/mediarecorder.h
+++ b/include/media/mediarecorder.h
@@ -104,35 +104,62 @@
 };
 
 /*
- * The state machine of the media_recorder uses a set of different state names.
- * The mapping between the media_recorder and the pvauthorengine is shown below:
- *
- *    mediarecorder                        pvauthorengine
- * ----------------------------------------------------------------
- *    MEDIA_RECORDER_ERROR                 ERROR
- *    MEDIA_RECORDER_IDLE                  IDLE
- *    MEDIA_RECORDER_INITIALIZED           OPENED
- *    MEDIA_RECORDER_DATASOURCE_CONFIGURED
- *    MEDIA_RECORDER_PREPARED              INITIALIZED
- *    MEDIA_RECORDER_RECORDING             RECORDING
+ * The state machine of the media_recorder.
  */
 enum media_recorder_states {
+    // Error state.
     MEDIA_RECORDER_ERROR                 =      0,
+
+    // Recorder was just created.
     MEDIA_RECORDER_IDLE                  = 1 << 0,
+
+    // Recorder has been initialized.
     MEDIA_RECORDER_INITIALIZED           = 1 << 1,
+
+    // Configuration of the recorder has been completed.
     MEDIA_RECORDER_DATASOURCE_CONFIGURED = 1 << 2,
+
+    // Recorder is ready to start.
     MEDIA_RECORDER_PREPARED              = 1 << 3,
+
+    // Recording is in progress.
     MEDIA_RECORDER_RECORDING             = 1 << 4,
 };
 
 // The "msg" code passed to the listener in notify.
 enum media_recorder_event_type {
+    MEDIA_RECORDER_EVENT_LIST_START               = 1,
     MEDIA_RECORDER_EVENT_ERROR                    = 1,
-    MEDIA_RECORDER_EVENT_INFO                     = 2
+    MEDIA_RECORDER_EVENT_INFO                     = 2,
+    MEDIA_RECORDER_EVENT_LIST_END                 = 99,
+
+    // Track related event types
+    MEDIA_RECORDER_TRACK_EVENT_LIST_START         = 100,
+    MEDIA_RECORDER_TRACK_EVENT_ERROR              = 100,
+    MEDIA_RECORDER_TRACK_EVENT_INFO               = 101,
+    MEDIA_RECORDER_TRACK_EVENT_LIST_END           = 1000,
 };
 
+/*
+ * The (part of) "what" code passed to the listener in notify.
+ * When the error or info type is track specific, the what has
+ * the following layout:
+ * the left-most 16-bit is meant for error or info type.
+ * the right-most 4-bit is meant for track id.
+ * the rest is reserved.
+ *
+ * | track id | reserved |     error or info type     |
+ * 31         28         16                           0
+ *
+ */
 enum media_recorder_error_type {
-    MEDIA_RECORDER_ERROR_UNKNOWN                  = 1
+    MEDIA_RECORDER_ERROR_UNKNOWN                   = 1,
+
+    // Track related error type
+    MEDIA_RECORDER_TRACK_ERROR_LIST_START          = 100,
+    MEDIA_RECORDER_TRACK_ERROR_GENERAL             = 100,
+    MEDIA_RECORDER_ERROR_VIDEO_NO_SYNC_FRAME       = 200,
+    MEDIA_RECORDER_TRACK_ERROR_LIST_END            = 1000,
 };
 
 // The codes are distributed as follow:
@@ -141,11 +168,15 @@
 //
 enum media_recorder_info_type {
     MEDIA_RECORDER_INFO_UNKNOWN                   = 1,
+
     MEDIA_RECORDER_INFO_MAX_DURATION_REACHED      = 800,
     MEDIA_RECORDER_INFO_MAX_FILESIZE_REACHED      = 801,
-    MEDIA_RECORDER_INFO_COMPLETION_STATUS         = 802,
-    MEDIA_RECORDER_INFO_PROGRESS_FRAME_STATUS     = 803,
-    MEDIA_RECORDER_INFO_PROGRESS_TIME_STATUS      = 804,
+
+    // All track related informtional events start here
+    MEDIA_RECORDER_TRACK_INFO_LIST_START           = 1000,
+    MEDIA_RECORDER_TRACK_INFO_COMPLETION_STATUS    = 1000,
+    MEDIA_RECORDER_TRACK_INFO_PROGRESS_IN_TIME     = 1001,
+    MEDIA_RECORDER_TRACK_INFO_LIST_END             = 2000,
 };
 
 // ----------------------------------------------------------------------------
diff --git a/include/media/stagefright/MPEG4Writer.h b/include/media/stagefright/MPEG4Writer.h
index 5c5229d..15f86ea 100644
--- a/include/media/stagefright/MPEG4Writer.h
+++ b/include/media/stagefright/MPEG4Writer.h
@@ -157,7 +157,7 @@
     bool use32BitFileOffset() const;
     bool exceedsFileDurationLimit();
     bool isFileStreamable() const;
-    void trackProgressStatus(const Track* track, int64_t timeUs, status_t err = OK);
+    void trackProgressStatus(size_t trackId, int64_t timeUs, status_t err = OK);
     void writeCompositionMatrix(int32_t degrees);
 
     MPEG4Writer(const MPEG4Writer &);
diff --git a/media/libmedia/AudioRecord.cpp b/media/libmedia/AudioRecord.cpp
index a18bedb2..cee1c75 100644
--- a/media/libmedia/AudioRecord.cpp
+++ b/media/libmedia/AudioRecord.cpp
@@ -722,9 +722,12 @@
     // Manage overrun callback
     if (mActive && (cblk->framesAvailable() == 0)) {
         LOGV("Overrun user: %x, server: %x, flags %04x", cblk->user, cblk->server, cblk->flags);
+        AutoMutex _l(cblk->lock);
         if ((cblk->flags & CBLK_UNDERRUN_MSK) == CBLK_UNDERRUN_OFF) {
-            mCbf(EVENT_OVERRUN, mUserData, 0);
             cblk->flags |= CBLK_UNDERRUN_ON;
+            cblk->lock.unlock();
+            mCbf(EVENT_OVERRUN, mUserData, 0);
+            cblk->lock.lock();
         }
     }
 
diff --git a/media/libmedia/AudioTrack.cpp b/media/libmedia/AudioTrack.cpp
index 8d8f67b..02e1570 100644
--- a/media/libmedia/AudioTrack.cpp
+++ b/media/libmedia/AudioTrack.cpp
@@ -329,6 +329,7 @@
     if (mActive == 0) {
         mActive = 1;
         mNewPosition = cblk->server + mUpdatePeriod;
+        cblk->lock.lock();
         cblk->bufferTimeoutMs = MAX_STARTUP_TIMEOUT_MS;
         cblk->waitTimeMs = 0;
         cblk->flags &= ~CBLK_DISABLED_ON;
@@ -339,7 +340,6 @@
         }
 
         LOGV("start %p before lock cblk %p", this, mCblk);
-        cblk->lock.lock();
         if (!(cblk->flags & CBLK_INVALID_MSK)) {
             cblk->lock.unlock();
             status = mAudioTrack->start();
@@ -893,9 +893,14 @@
 
     // restart track if it was disabled by audioflinger due to previous underrun
     if (mActive && (cblk->flags & CBLK_DISABLED_MSK)) {
-        cblk->flags &= ~CBLK_DISABLED_ON;
-        LOGW("obtainBuffer() track %p disabled, restarting", this);
-        mAudioTrack->start();
+        AutoMutex _l(cblk->lock);
+        if (mActive && (cblk->flags & CBLK_DISABLED_MSK)) {
+            cblk->flags &= ~CBLK_DISABLED_ON;
+            cblk->lock.unlock();
+            LOGW("obtainBuffer() track %p disabled, restarting", this);
+            mAudioTrack->start();
+            cblk->lock.lock();
+        }
     }
 
     cblk->waitTimeMs = 0;
@@ -957,9 +962,10 @@
     ssize_t written = 0;
     const int8_t *src = (const int8_t *)buffer;
     Buffer audioBuffer;
+    size_t frameSz = (size_t)frameSize();
 
     do {
-        audioBuffer.frameCount = userSize/frameSize();
+        audioBuffer.frameCount = userSize/frameSz;
 
         // Calling obtainBuffer() with a negative wait count causes
         // an (almost) infinite wait time.
@@ -991,7 +997,7 @@
         written += toWrite;
 
         releaseBuffer(&audioBuffer);
-    } while (userSize);
+    } while (userSize >= frameSz);
 
     return written;
 }
@@ -1015,12 +1021,15 @@
     // Manage underrun callback
     if (mActive && (cblk->framesReady() == 0)) {
         LOGV("Underrun user: %x, server: %x, flags %04x", cblk->user, cblk->server, cblk->flags);
+        AutoMutex _l(cblk->lock);
         if ((cblk->flags & CBLK_UNDERRUN_MSK) == CBLK_UNDERRUN_OFF) {
+            cblk->flags |= CBLK_UNDERRUN_ON;
+            cblk->lock.unlock();
             mCbf(EVENT_UNDERRUN, mUserData, 0);
             if (cblk->server == cblk->frameCount) {
                 mCbf(EVENT_BUFFER_END, mUserData, 0);
             }
-            cblk->flags |= CBLK_UNDERRUN_ON;
+            cblk->lock.lock();
             if (mSharedBuffer != 0) return false;
         }
     }
@@ -1279,7 +1288,12 @@
     this->user = u;
 
     // Clear flow control error condition as new data has been written/read to/from buffer.
-    flags &= ~CBLK_UNDERRUN_MSK;
+    if (flags & CBLK_UNDERRUN_MSK) {
+        AutoMutex _l(lock);
+        if (flags & CBLK_UNDERRUN_MSK) {
+            flags &= ~CBLK_UNDERRUN_MSK;
+        }
+    }
 
     return u;
 }
diff --git a/media/libstagefright/AMRWriter.cpp b/media/libstagefright/AMRWriter.cpp
index 0db3d1d..69846eb 100644
--- a/media/libstagefright/AMRWriter.cpp
+++ b/media/libstagefright/AMRWriter.cpp
@@ -269,7 +269,7 @@
     }
 
     if (stoppedPrematurely) {
-        notify(MEDIA_RECORDER_EVENT_INFO, MEDIA_RECORDER_INFO_COMPLETION_STATUS, UNKNOWN_ERROR);
+        notify(MEDIA_RECORDER_EVENT_INFO, MEDIA_RECORDER_TRACK_INFO_COMPLETION_STATUS, UNKNOWN_ERROR);
     }
 
     close(mFd);
diff --git a/media/libstagefright/AwesomePlayer.cpp b/media/libstagefright/AwesomePlayer.cpp
index 7a00d7a..35bc0b8 100644
--- a/media/libstagefright/AwesomePlayer.cpp
+++ b/media/libstagefright/AwesomePlayer.cpp
@@ -876,6 +876,17 @@
              cropLeft, cropTop, cropRight, cropBottom);
     }
 
+    int32_t displayWidth;
+    if (meta->findInt32(kKeyDisplayWidth, &displayWidth)) {
+        LOGV("Display width changed (%d=>%d)", mDisplayWidth, displayWidth);
+        mDisplayWidth = displayWidth;
+    }
+    int32_t displayHeight;
+    if (meta->findInt32(kKeyDisplayHeight, &displayHeight)) {
+        LOGV("Display height changed (%d=>%d)", mDisplayHeight, displayHeight);
+        mDisplayHeight = displayHeight;
+    }
+
     int32_t usableWidth = cropRight - cropLeft + 1;
     int32_t usableHeight = cropBottom - cropTop + 1;
     if (mDisplayWidth != 0) {
diff --git a/media/libstagefright/MPEG4Writer.cpp b/media/libstagefright/MPEG4Writer.cpp
index 5d6ea7c..edf76b5 100644
--- a/media/libstagefright/MPEG4Writer.cpp
+++ b/media/libstagefright/MPEG4Writer.cpp
@@ -52,7 +52,7 @@
 
 class MPEG4Writer::Track {
 public:
-    Track(MPEG4Writer *owner, const sp<MediaSource> &source);
+    Track(MPEG4Writer *owner, const sp<MediaSource> &source, size_t trackId);
 
     ~Track();
 
@@ -82,6 +82,7 @@
     bool mIsAvc;
     bool mIsAudio;
     bool mIsMPEG4;
+    int32_t mTrackId;
     int64_t mTrackDurationUs;
 
     // For realtime applications, we need to adjust the media clock
@@ -295,7 +296,12 @@
 }
 
 status_t MPEG4Writer::addSource(const sp<MediaSource> &source) {
-    Track *track = new Track(this, source);
+    Mutex::Autolock l(mLock);
+    if (mStarted) {
+        LOGE("Attempt to add source AFTER recording is started");
+        return UNKNOWN_ERROR;
+    }
+    Track *track = new Track(this, source, mTracks.size());
     mTracks.push_back(track);
 
     return OK;
@@ -945,7 +951,7 @@
 ////////////////////////////////////////////////////////////////////////////////
 
 MPEG4Writer::Track::Track(
-        MPEG4Writer *owner, const sp<MediaSource> &source)
+        MPEG4Writer *owner, const sp<MediaSource> &source, size_t trackId)
     : mOwner(owner),
       mMeta(source->getFormat()),
       mSource(source),
@@ -953,6 +959,7 @@
       mPaused(false),
       mResumed(false),
       mStarted(false),
+      mTrackId(trackId),
       mTrackDurationUs(0),
       mEstimatedTrackSizeBytes(0),
       mSamplesHaveSameSize(true),
@@ -2030,7 +2037,7 @@
         (OK != checkCodecSpecificData())) {          // no codec specific data
         err = ERROR_MALFORMED;
     }
-    mOwner->trackProgressStatus(this, -1, err);
+    mOwner->trackProgressStatus(mTrackId, -1, err);
 
     // Last chunk
     if (mOwner->numTracks() == 1) {
@@ -2077,41 +2084,34 @@
     if (mTrackEveryTimeDurationUs > 0 &&
         timeUs - mPreviousTrackTimeUs >= mTrackEveryTimeDurationUs) {
         LOGV("Fire time tracking progress status at %lld us", timeUs);
-        mOwner->trackProgressStatus(this, timeUs - mPreviousTrackTimeUs, err);
+        mOwner->trackProgressStatus(mTrackId, timeUs - mPreviousTrackTimeUs, err);
         mPreviousTrackTimeUs = timeUs;
     }
 }
 
 void MPEG4Writer::trackProgressStatus(
-        const MPEG4Writer::Track* track, int64_t timeUs, status_t err) {
+        size_t trackId, int64_t timeUs, status_t err) {
     Mutex::Autolock lock(mLock);
-    int32_t nTracks = mTracks.size();
-    CHECK(nTracks >= 1);
-    CHECK(nTracks < 64);  // Arbitrary number
-
-    int32_t trackNum = 0;
-    CHECK(trackNum < nTracks);
-    trackNum <<= 16;
+    int32_t trackNum = (trackId << 28);
 
     // Error notification
     // Do not consider ERROR_END_OF_STREAM an error
     if (err != OK && err != ERROR_END_OF_STREAM) {
-        notify(MEDIA_RECORDER_EVENT_ERROR,
-               trackNum | MEDIA_RECORDER_ERROR_UNKNOWN,
+        notify(MEDIA_RECORDER_TRACK_EVENT_ERROR,
+               trackNum | MEDIA_RECORDER_TRACK_ERROR_GENERAL,
                err);
         return;
     }
 
     if (timeUs == -1) {
         // Send completion notification
-        notify(MEDIA_RECORDER_EVENT_INFO,
-               trackNum | MEDIA_RECORDER_INFO_COMPLETION_STATUS,
+        notify(MEDIA_RECORDER_TRACK_EVENT_INFO,
+               trackNum | MEDIA_RECORDER_TRACK_INFO_COMPLETION_STATUS,
                err);
-        return;
     } else {
         // Send progress status
-        notify(MEDIA_RECORDER_EVENT_INFO,
-               trackNum | MEDIA_RECORDER_INFO_PROGRESS_TIME_STATUS,
+        notify(MEDIA_RECORDER_TRACK_EVENT_INFO,
+               trackNum | MEDIA_RECORDER_TRACK_INFO_PROGRESS_IN_TIME,
                timeUs / 1000);
     }
 }
diff --git a/media/libstagefright/OMXCodec.cpp b/media/libstagefright/OMXCodec.cpp
index 3e26a95..a6a34b3 100644
--- a/media/libstagefright/OMXCodec.cpp
+++ b/media/libstagefright/OMXCodec.cpp
@@ -2215,13 +2215,15 @@
 
             if (data2 == 0 || data2 == OMX_IndexParamPortDefinition) {
                 onPortSettingsChanged(data1);
-            } else if (data1 == kPortIndexOutput
-                    && data2 == OMX_IndexConfigCommonOutputCrop) {
+            } else if (data1 == kPortIndexOutput &&
+                        (data2 == OMX_IndexConfigCommonOutputCrop ||
+                         data2 == OMX_IndexConfigCommonScale)) {
 
                 sp<MetaData> oldOutputFormat = mOutputFormat;
                 initOutputFormat(mSource->getFormat());
 
-                if (formatHasNotablyChanged(oldOutputFormat, mOutputFormat)) {
+                if (data2 == OMX_IndexConfigCommonOutputCrop &&
+                    formatHasNotablyChanged(oldOutputFormat, mOutputFormat)) {
                     mOutputPortSettingsHaveChanged = true;
 
                     if (mNativeWindow != NULL) {
@@ -2240,6 +2242,39 @@
                         // already invalid, we'll know soon enough.
                         native_window_set_crop(mNativeWindow.get(), &crop);
                     }
+                } else if (data2 == OMX_IndexConfigCommonScale) {
+                    OMX_CONFIG_SCALEFACTORTYPE scale;
+                    InitOMXParams(&scale);
+                    scale.nPortIndex = kPortIndexOutput;
+
+                    // Change display dimension only when necessary.
+                    if (OK == mOMX->getConfig(
+                                        mNode,
+                                        OMX_IndexConfigCommonScale,
+                                        &scale, sizeof(scale))) {
+                        int32_t left, top, right, bottom;
+                        CHECK(mOutputFormat->findRect(kKeyCropRect,
+                                                      &left, &top,
+                                                      &right, &bottom));
+
+                        // The scale is in 16.16 format.
+                        // scale 1.0 = 0x010000. When there is no
+                        // need to change the display, skip it.
+                        LOGV("Get OMX_IndexConfigScale: 0x%lx/0x%lx",
+                                scale.xWidth, scale.xHeight);
+
+                        if (scale.xWidth != 0x010000) {
+                            mOutputFormat->setInt32(kKeyDisplayWidth,
+                                    ((right - left +  1) * scale.xWidth)  >> 16);
+                            mOutputPortSettingsHaveChanged = true;
+                        }
+
+                        if (scale.xHeight != 0x010000) {
+                            mOutputFormat->setInt32(kKeyDisplayHeight,
+                                    ((bottom  - top + 1) * scale.xHeight) >> 16);
+                            mOutputPortSettingsHaveChanged = true;
+                        }
+                    }
                 }
             }
             break;
diff --git a/media/libstagefright/codecs/avc/dec/AVCDecoder.cpp b/media/libstagefright/codecs/avc/dec/AVCDecoder.cpp
index 5bbba35..490129f 100644
--- a/media/libstagefright/codecs/avc/dec/AVCDecoder.cpp
+++ b/media/libstagefright/codecs/avc/dec/AVCDecoder.cpp
@@ -534,7 +534,8 @@
             default:
             {
                 LOGE("Should not be here, unknown nalType %d", nalType);
-                CHECK(!"Should not be here");
+
+                err = ERROR_MALFORMED;
                 break;
             }
         }
diff --git a/media/libstagefright/matroska/MatroskaExtractor.cpp b/media/libstagefright/matroska/MatroskaExtractor.cpp
index 733de92..b3e29b9 100644
--- a/media/libstagefright/matroska/MatroskaExtractor.cpp
+++ b/media/libstagefright/matroska/MatroskaExtractor.cpp
@@ -60,7 +60,10 @@
     virtual int Length(long long* total, long long* available) {
         off64_t size;
         if (mSource->getSize(&size) != OK) {
-            return -1;
+            *total = -1;
+            *available = (long long)((1ull << 63) - 1);
+
+            return 0;
         }
 
         if (total) {
@@ -84,7 +87,7 @@
 ////////////////////////////////////////////////////////////////////////////////
 
 struct BlockIterator {
-    BlockIterator(mkvparser::Segment *segment, unsigned long trackNum);
+    BlockIterator(MatroskaExtractor *extractor, unsigned long trackNum);
 
     bool eos() const;
 
@@ -96,11 +99,14 @@
     int64_t blockTimeUs() const;
 
 private:
-    mkvparser::Segment *mSegment;
+    MatroskaExtractor *mExtractor;
     unsigned long mTrackNum;
 
-    mkvparser::Cluster *mCluster;
+    const mkvparser::Cluster *mCluster;
     const mkvparser::BlockEntry *mBlockEntry;
+    long mBlockEntryIndex;
+
+    void advance_l();
 
     BlockIterator(const BlockIterator &);
     BlockIterator &operator=(const BlockIterator &);
@@ -150,7 +156,7 @@
     : mExtractor(extractor),
       mTrackIndex(index),
       mType(OTHER),
-      mBlockIter(mExtractor->mSegment,
+      mBlockIter(mExtractor.get(),
                  mExtractor->mTracks.itemAt(index).mTrackNum),
       mNALSizeLen(0) {
     sp<MetaData> meta = mExtractor->mTracks.itemAt(index).mMeta;
@@ -199,11 +205,12 @@
 ////////////////////////////////////////////////////////////////////////////////
 
 BlockIterator::BlockIterator(
-        mkvparser::Segment *segment, unsigned long trackNum)
-    : mSegment(segment),
+        MatroskaExtractor *extractor, unsigned long trackNum)
+    : mExtractor(extractor),
       mTrackNum(trackNum),
       mCluster(NULL),
-      mBlockEntry(NULL) {
+      mBlockEntry(NULL),
+      mBlockEntryIndex(0) {
     reset();
 }
 
@@ -212,45 +219,97 @@
 }
 
 void BlockIterator::advance() {
-    while (!eos()) {
-        if (mBlockEntry != NULL) {
-            mBlockEntry = mCluster->GetNext(mBlockEntry);
-        } else if (mCluster != NULL) {
-            mCluster = mSegment->GetNext(mCluster);
+    Mutex::Autolock autoLock(mExtractor->mLock);
+    advance_l();
+}
 
-            if (eos()) {
+void BlockIterator::advance_l() {
+    for (;;) {
+        long res = mCluster->GetEntry(mBlockEntryIndex, mBlockEntry);
+        LOGV("GetEntry returned %ld", res);
+
+        long long pos;
+        long len;
+        if (res < 0) {
+            // Need to parse this cluster some more
+
+            CHECK_EQ(res, mkvparser::E_BUFFER_NOT_FULL);
+
+            res = mCluster->Parse(pos, len);
+            LOGV("Parse returned %ld", res);
+
+            if (res < 0) {
+                // I/O error
+
+                LOGE("Cluster::Parse returned result %ld", res);
+
+                mCluster = NULL;
                 break;
             }
 
-            mBlockEntry = mCluster->GetFirst();
+            continue;
+        } else if (res == 0) {
+            // We're done with this cluster
+
+            const mkvparser::Cluster *nextCluster;
+            res = mExtractor->mSegment->ParseNext(
+                    mCluster, nextCluster, pos, len);
+            LOGV("ParseNext returned %ld", res);
+
+            if (res > 0) {
+                // EOF
+
+                mCluster = NULL;
+                break;
+            }
+
+            CHECK_EQ(res, 0);
+            CHECK(nextCluster != NULL);
+            CHECK(!nextCluster->EOS());
+
+            mCluster = nextCluster;
+
+            res = mCluster->Parse(pos, len);
+            LOGV("Parse (2) returned %ld", res);
+            CHECK_GE(res, 0);
+
+            mBlockEntryIndex = 0;
+            continue;
         }
 
-        if (mBlockEntry != NULL
-                && mBlockEntry->GetBlock()->GetTrackNumber() == mTrackNum) {
+        CHECK(mBlockEntry != NULL);
+        CHECK(mBlockEntry->GetBlock() != NULL);
+        ++mBlockEntryIndex;
+
+        if (mBlockEntry->GetBlock()->GetTrackNumber() == mTrackNum) {
             break;
         }
     }
 }
 
 void BlockIterator::reset() {
-    mCluster = mSegment->GetFirst();
-    mBlockEntry = mCluster->GetFirst();
+    Mutex::Autolock autoLock(mExtractor->mLock);
 
-    while (!eos() && block()->GetTrackNumber() != mTrackNum) {
-        advance();
-    }
+    mCluster = mExtractor->mSegment->GetFirst();
+    mBlockEntryIndex = 0;
+
+    do {
+        advance_l();
+    } while (!eos() && block()->GetTrackNumber() != mTrackNum);
 }
 
 void BlockIterator::seek(int64_t seekTimeUs) {
-    mCluster = mSegment->FindCluster(seekTimeUs * 1000ll);
-    mBlockEntry = mCluster != NULL ? mCluster->GetFirst() : NULL;
+    Mutex::Autolock autoLock(mExtractor->mLock);
+
+    mCluster = mExtractor->mSegment->FindCluster(seekTimeUs * 1000ll);
+    mBlockEntryIndex = 0;
 
     while (!eos() && block()->GetTrackNumber() != mTrackNum) {
-        advance();
+        advance_l();
     }
 
     while (!eos() && !mBlockEntry->GetBlock()->IsKey()) {
-        advance();
+        advance_l();
     }
 }
 
@@ -291,16 +350,6 @@
     }
 }
 
-#define BAIL(err) \
-    do {                        \
-        if (bigbuf) {           \
-            bigbuf->release();  \
-            bigbuf = NULL;      \
-        }                       \
-                                \
-        return err;             \
-    } while (0)
-
 status_t MatroskaSource::readBlock() {
     CHECK(mPendingFrames.empty());
 
@@ -310,181 +359,39 @@
 
     const mkvparser::Block *block = mBlockIter.block();
 
-    size_t size = block->GetSize();
     int64_t timeUs = mBlockIter.blockTimeUs();
-    int32_t isSync = block->IsKey();
 
-    MediaBuffer *bigbuf = new MediaBuffer(size);
+    for (int i = 0; i < block->GetFrameCount(); ++i) {
+        const mkvparser::Block::Frame &frame = block->GetFrame(i);
 
-    long res = block->Read(
-            mExtractor->mReader, (unsigned char *)bigbuf->data());
+        MediaBuffer *mbuf = new MediaBuffer(frame.len);
+        mbuf->meta_data()->setInt64(kKeyTime, timeUs);
+        mbuf->meta_data()->setInt32(kKeyIsSyncFrame, block->IsKey());
 
-    if (res != 0) {
-        bigbuf->release();
-        bigbuf = NULL;
+        long n = frame.Read(mExtractor->mReader, (unsigned char *)mbuf->data());
+        if (n != 0) {
+            mPendingFrames.clear();
 
-        return ERROR_END_OF_STREAM;
+            mBlockIter.advance();
+            return ERROR_IO;
+        }
+
+        mPendingFrames.push_back(mbuf);
     }
 
     mBlockIter.advance();
 
-    bigbuf->meta_data()->setInt64(kKeyTime, timeUs);
-    bigbuf->meta_data()->setInt32(kKeyIsSyncFrame, isSync);
-
-    unsigned lacing = (block->Flags() >> 1) & 3;
-
-    if (lacing == 0) {
-        mPendingFrames.push_back(bigbuf);
-        return OK;
-    }
-
-    LOGV("lacing = %u, size = %d", lacing, size);
-
-    const uint8_t *data = (const uint8_t *)bigbuf->data();
-    // hexdump(data, size);
-
-    if (size == 0) {
-        BAIL(ERROR_MALFORMED);
-    }
-
-    unsigned numFrames = (unsigned)data[0] + 1;
-    ++data;
-    --size;
-
-    Vector<uint64_t> frameSizes;
-
-    switch (lacing) {
-        case 1:  // Xiph
-        {
-            for (size_t i = 0; i < numFrames - 1; ++i) {
-                size_t frameSize = 0;
-                uint8_t byte;
-                do {
-                    if (size == 0) {
-                        BAIL(ERROR_MALFORMED);
-                    }
-                    byte = data[0];
-                    ++data;
-                    --size;
-
-                    frameSize += byte;
-                } while (byte == 0xff);
-
-                frameSizes.push(frameSize);
-            }
-
-            break;
-        }
-
-        case 2:  // fixed-size
-        {
-            if ((size % numFrames) != 0) {
-                BAIL(ERROR_MALFORMED);
-            }
-
-            size_t frameSize = size / numFrames;
-            for (size_t i = 0; i < numFrames - 1; ++i) {
-                frameSizes.push(frameSize);
-            }
-
-            break;
-        }
-
-        case 3:  // EBML
-        {
-            uint64_t lastFrameSize = 0;
-            for (size_t i = 0; i < numFrames - 1; ++i) {
-                uint8_t byte;
-
-                if (size == 0) {
-                    BAIL(ERROR_MALFORMED);
-                }
-                byte = data[0];
-                ++data;
-                --size;
-
-                size_t numLeadingZeroes = clz(byte);
-
-                uint64_t frameSize = byte & ~(0x80 >> numLeadingZeroes);
-                for (size_t j = 0; j < numLeadingZeroes; ++j) {
-                    if (size == 0) {
-                        BAIL(ERROR_MALFORMED);
-                    }
-
-                    frameSize = frameSize << 8;
-                    frameSize |= data[0];
-                    ++data;
-                    --size;
-                }
-
-                if (i == 0) {
-                    frameSizes.push(frameSize);
-                } else {
-                    size_t shift =
-                        7 - numLeadingZeroes + 8 * numLeadingZeroes;
-
-                    int64_t delta =
-                        (int64_t)frameSize - (1ll << (shift - 1)) + 1;
-
-                    frameSize = lastFrameSize + delta;
-
-                    frameSizes.push(frameSize);
-                }
-
-                lastFrameSize = frameSize;
-            }
-            break;
-        }
-
-        default:
-            TRESPASS();
-    }
-
-#if 0
-    AString out;
-    for (size_t i = 0; i < frameSizes.size(); ++i) {
-        if (i > 0) {
-            out.append(", ");
-        }
-        out.append(StringPrintf("%llu", frameSizes.itemAt(i)));
-    }
-    LOGV("sizes = [%s]", out.c_str());
-#endif
-
-    for (size_t i = 0; i < frameSizes.size(); ++i) {
-        uint64_t frameSize = frameSizes.itemAt(i);
-
-        if (size < frameSize) {
-            BAIL(ERROR_MALFORMED);
-        }
-
-        MediaBuffer *mbuf = new MediaBuffer(frameSize);
-        mbuf->meta_data()->setInt64(kKeyTime, timeUs);
-        mbuf->meta_data()->setInt32(kKeyIsSyncFrame, isSync);
-        memcpy(mbuf->data(), data, frameSize);
-        mPendingFrames.push_back(mbuf);
-
-        data += frameSize;
-        size -= frameSize;
-    }
-
-    size_t offset = bigbuf->range_length() - size;
-    bigbuf->set_range(offset, size);
-
-    mPendingFrames.push_back(bigbuf);
-
     return OK;
 }
 
-#undef BAIL
-
 status_t MatroskaSource::read(
         MediaBuffer **out, const ReadOptions *options) {
     *out = NULL;
 
     int64_t seekTimeUs;
     ReadOptions::SeekMode mode;
-    if (options && options->getSeekTo(&seekTimeUs, &mode)) {
+    if (options && options->getSeekTo(&seekTimeUs, &mode)
+            && !mExtractor->isLiveStreaming()) {
         clearPendingFrames();
         mBlockIter.seek(seekTimeUs);
     }
@@ -584,6 +491,13 @@
       mReader(new DataSourceReader(mDataSource)),
       mSegment(NULL),
       mExtractedThumbnails(false) {
+    off64_t size;
+    mIsLiveStreaming =
+        (mDataSource->flags()
+            & (DataSource::kWantsPrefetching
+                | DataSource::kIsCachingDataSource))
+        && mDataSource->getSize(&size) != OK;
+
     mkvparser::EBMLHeader ebmlHeader;
     long long pos;
     if (ebmlHeader.Parse(mReader, pos) < 0) {
@@ -598,7 +512,16 @@
         return;
     }
 
-    ret = mSegment->Load();
+    if (isLiveStreaming()) {
+        ret = mSegment->ParseHeaders();
+        CHECK_EQ(ret, 0);
+
+        long len;
+        ret = mSegment->LoadCluster(pos, len);
+        CHECK_EQ(ret, 0);
+    } else {
+        ret = mSegment->Load();
+    }
 
     if (ret < 0) {
         delete mSegment;
@@ -635,7 +558,8 @@
         return NULL;
     }
 
-    if ((flags & kIncludeExtensiveMetaData) && !mExtractedThumbnails) {
+    if ((flags & kIncludeExtensiveMetaData) && !mExtractedThumbnails
+            && !isLiveStreaming()) {
         findThumbnails();
         mExtractedThumbnails = true;
     }
@@ -643,6 +567,10 @@
     return mTracks.itemAt(index).mMeta;
 }
 
+bool MatroskaExtractor::isLiveStreaming() const {
+    return mIsLiveStreaming;
+}
+
 static void addESDSFromAudioSpecificInfo(
         const sp<MetaData> &meta, const void *asi, size_t asiSize) {
     static const uint8_t kStaticESDS[] = {
@@ -794,7 +722,7 @@
             continue;
         }
 
-        BlockIterator iter(mSegment, info->mTrackNum);
+        BlockIterator iter(this, info->mTrackNum);
         int32_t i = 0;
         int64_t thumbnailTimeUs = 0;
         size_t maxBlockSize = 0;
@@ -802,7 +730,11 @@
             if (iter.block()->IsKey()) {
                 ++i;
 
-                size_t blockSize = iter.block()->GetSize();
+                size_t blockSize = 0;
+                for (int i = 0; i < iter.block()->GetFrameCount(); ++i) {
+                    blockSize += iter.block()->GetFrame(i).len;
+                }
+
                 if (blockSize > maxBlockSize) {
                     maxBlockSize = blockSize;
                     thumbnailTimeUs = iter.blockTimeUs();
@@ -821,6 +753,15 @@
     return meta;
 }
 
+uint32_t MatroskaExtractor::flags() const {
+    uint32_t x = CAN_PAUSE;
+    if (!isLiveStreaming()) {
+        x |= CAN_SEEK_BACKWARD | CAN_SEEK_FORWARD | CAN_SEEK;
+    }
+
+    return x;
+}
+
 bool SniffMatroska(
         const sp<DataSource> &source, String8 *mimeType, float *confidence,
         sp<AMessage> *) {
diff --git a/media/libstagefright/matroska/MatroskaExtractor.h b/media/libstagefright/matroska/MatroskaExtractor.h
index fa20b84..38ebd61 100644
--- a/media/libstagefright/matroska/MatroskaExtractor.h
+++ b/media/libstagefright/matroska/MatroskaExtractor.h
@@ -20,6 +20,7 @@
 
 #include <media/stagefright/MediaExtractor.h>
 #include <utils/Vector.h>
+#include <utils/threads.h>
 
 namespace mkvparser {
 struct Segment;
@@ -45,26 +46,34 @@
 
     virtual sp<MetaData> getMetaData();
 
+    virtual uint32_t flags() const;
+
 protected:
     virtual ~MatroskaExtractor();
 
 private:
     friend struct MatroskaSource;
+    friend struct BlockIterator;
 
     struct TrackInfo {
         unsigned long mTrackNum;
         sp<MetaData> mMeta;
     };
+
+    Mutex mLock;
     Vector<TrackInfo> mTracks;
 
     sp<DataSource> mDataSource;
     DataSourceReader *mReader;
     mkvparser::Segment *mSegment;
     bool mExtractedThumbnails;
+    bool mIsLiveStreaming;
 
     void addTracks();
     void findThumbnails();
 
+    bool isLiveStreaming() const;
+
     MatroskaExtractor(const MatroskaExtractor &);
     MatroskaExtractor &operator=(const MatroskaExtractor &);
 };
diff --git a/media/tests/MediaFrameworkTest/src/com/android/mediaframeworktest/functional/MediaItemThumbnailTest.java b/media/tests/MediaFrameworkTest/src/com/android/mediaframeworktest/functional/MediaItemThumbnailTest.java
index 895ca25..154f691 100755
--- a/media/tests/MediaFrameworkTest/src/com/android/mediaframeworktest/functional/MediaItemThumbnailTest.java
+++ b/media/tests/MediaFrameworkTest/src/com/android/mediaframeworktest/functional/MediaItemThumbnailTest.java
@@ -585,7 +585,9 @@
         try{
         final MediaImageItem mii = new MediaImageItem(mVideoEditor, "m1",
             imageItemFileName, 3000, renderingMode);
-        }catch (IllegalArgumentException e){
+        } catch (IllegalArgumentException e) {
+            flagForException = true;
+        } catch (IOException e) {
             flagForException = true;
         }
         assertTrue(" Invalid File Path", flagForException);
diff --git a/media/tests/MediaFrameworkTest/src/com/android/mediaframeworktest/functional/MediaPropertiesTest.java b/media/tests/MediaFrameworkTest/src/com/android/mediaframeworktest/functional/MediaPropertiesTest.java
index 3efa5b2..958bbb0 100755
--- a/media/tests/MediaFrameworkTest/src/com/android/mediaframeworktest/functional/MediaPropertiesTest.java
+++ b/media/tests/MediaFrameworkTest/src/com/android/mediaframeworktest/functional/MediaPropertiesTest.java
@@ -513,6 +513,8 @@
                 MediaItem.RENDERING_MODE_BLACK_BORDER);
         } catch (IllegalArgumentException e) {
             flagForException = true;
+        } catch (IOException e) {
+            flagForException = true;
         }
         assertTrue("Media Properties for non exsisting file", flagForException);
      }
diff --git a/policy/src/com/android/internal/policy/impl/PhoneWindow.java b/policy/src/com/android/internal/policy/impl/PhoneWindow.java
index 64857ed..36e6b8e6 100644
--- a/policy/src/com/android/internal/policy/impl/PhoneWindow.java
+++ b/policy/src/com/android/internal/policy/impl/PhoneWindow.java
@@ -903,7 +903,7 @@
     }
 
     private void reopenMenu(boolean toggleMenuMode) {
-        if (mActionBar != null) {
+        if (mActionBar != null && mActionBar.isOverflowReserved()) {
             final Callback cb = getCallback();
             if (!mActionBar.isOverflowMenuShowing() || !toggleMenuMode) {
                 if (cb != null && !isDestroyed() && mActionBar.getVisibility() == View.VISIBLE) {
diff --git a/services/audioflinger/AudioFlinger.cpp b/services/audioflinger/AudioFlinger.cpp
index 2b08ab5..2702242 100644
--- a/services/audioflinger/AudioFlinger.cpp
+++ b/services/audioflinger/AudioFlinger.cpp
@@ -1738,7 +1738,10 @@
                     LOGV("BUFFER TIMEOUT: remove(%d) from active list on thread %p", track->name(), this);
                     tracksToRemove->add(track);
                     // indicate to client process that the track was disabled because of underrun
-                    cblk->flags |= CBLK_DISABLED_ON;
+                    {
+                        AutoMutex _l(cblk->lock);
+                        cblk->flags |= CBLK_DISABLED_ON;
+                    }
                 } else if (mixerStatus != MIXER_TRACKS_READY) {
                     mixerStatus = MIXER_TRACKS_ENABLED;
                 }
@@ -1787,10 +1790,9 @@
     for (size_t i = 0; i < size; i++) {
         sp<Track> t = mTracks[i];
         if (t->type() == streamType) {
-            t->mCblk->lock.lock();
+            AutoMutex _lcblk(t->mCblk->lock);
             t->mCblk->flags |= CBLK_INVALID_ON;
             t->mCblk->cv.signal();
-            t->mCblk->lock.unlock();
         }
     }
 }
@@ -2948,6 +2950,7 @@
 
     if (mCblk->framesReady() >= mCblk->frameCount ||
             (mCblk->flags & CBLK_FORCEREADY_MSK)) {
+        AutoMutex _l(mCblk->lock);
         mFillingUpStatus = FS_FILLED;
         mCblk->flags &= ~CBLK_FORCEREADY_MSK;
         return true;
@@ -3063,19 +3066,18 @@
         // STOPPED state
         mState = STOPPED;
 
-        mCblk->lock.lock();
         // NOTE: reset() will reset cblk->user and cblk->server with
         // the risk that at the same time, the AudioMixer is trying to read
         // data. In this case, getNextBuffer() would return a NULL pointer
         // as audio buffer => the AudioMixer code MUST always test that pointer
         // returned by getNextBuffer() is not NULL!
         reset();
-        mCblk->lock.unlock();
     }
 }
 
 void AudioFlinger::PlaybackThread::Track::reset()
 {
+    AutoMutex _l(mCblk->lock);
     // Do not reset twice to avoid discarding data written just after a flush and before
     // the audioflinger thread detects the track is stopped.
     if (!mResetDone) {
@@ -3209,10 +3211,13 @@
     if (thread != 0) {
         RecordThread *recordThread = (RecordThread *)thread.get();
         recordThread->stop(this);
-        TrackBase::reset();
-        // Force overerrun condition to avoid false overrun callback until first data is
-        // read from buffer
-        mCblk->flags |= CBLK_UNDERRUN_ON;
+        {
+            AutoMutex _l(mCblk->lock);
+            TrackBase::reset();
+            // Force overerrun condition to avoid false overrun callback until first data is
+            // read from buffer
+            mCblk->flags |= CBLK_UNDERRUN_ON;
+        }
     }
 }