Gallery: Update DDM logic to support Bayer+Mono

Update the MPO parser and ddm logic to support bayer+mono
images and also clearsight images.

CRs-Fixed: 1029184
Change-Id: I9be33acdf958ce8b525453175dfdbf4dadd46aca

4 files changed, 84 insertions, 38 deletions

diff --git a/src/com/android/gallery3d/filtershow/FilterShowActivity.java b/src/com/android/gallery3d/filtershow/FilterShowActivity.java
index cfce7c54a..890458b4b 100644
--- a/src/com/android/gallery3d/filtershow/FilterShowActivity.java
+++ b/src/com/android/gallery3d/filtershow/FilterShowActivity.java
@@ -19,8 +19,8 @@ package com.android.gallery3d.filtershow;
 import java.io.File;
 import java.lang.ref.WeakReference;
 import java.util.ArrayList;
-import java.util.Vector;
 import java.util.Locale;
+import java.util.Vector;
 
 import android.app.ActionBar;
 import android.app.AlertDialog;
@@ -62,10 +62,10 @@ import android.view.Menu;
 import android.view.MenuItem;
 import android.view.MotionEvent;
 import android.view.View;
-import android.view.Window;
 import android.view.View.OnClickListener;
 import android.view.View.OnTouchListener;
 import android.view.ViewPropertyAnimator;
+import android.view.Window;
 import android.view.WindowManager;
 import android.widget.AdapterView;
 import android.widget.AdapterView.OnItemClickListener;
@@ -917,6 +917,11 @@ public class FilterShowActivity extends FragmentActivity implements OnItemClickL
             mParseMpoTask.execute();
         } else {
             MasterImage.getImage().setDepthMapLoadingStatus(DdmStatus.DDM_FAILED);
+            Fragment currentPanel = getSupportFragmentManager().findFragmentByTag(MainPanel.FRAGMENT_TAG);
+            if (currentPanel instanceof MainPanel) {
+                MainPanel mainPanel = (MainPanel) currentPanel;
+                mainPanel.updateDualCameraButton();
+            }
         }
     }
 
@@ -1190,26 +1195,32 @@ public class FilterShowActivity extends FragmentActivity implements OnItemClickL
         }
     }
 
-    private class ParseMpoDataTask extends AsyncTask<Void, Void, byte[]> {
+    private class ParseMpoDataTask extends AsyncTask<Void, Void, Void> {
+        private byte[] mPrimaryImgData = null;
+        private byte[] mAuxImgData = null;
+
         @Override
         protected void onPreExecute() {
             MasterImage.getImage().setDepthMapLoadingStatus(DdmStatus.DDM_PARSING);
         }
 
         @Override
-        protected byte[] doInBackground(Void... params) {
+        protected Void doInBackground(Void... params) {
             MpoParser parser = MpoParser.parse(FilterShowActivity.this, MasterImage.getImage().getUri());
-            return parser.readImgData(false);
+            mPrimaryImgData = parser.readImgData(true);
+            mAuxImgData = parser.readImgData(false);
+            return null;
         }
 
         @Override
-        protected void onPostExecute(byte[] result) {
-            if(result == null) {
+        protected void onPostExecute(Void result) {
+            if(mPrimaryImgData == null ||
+                    mAuxImgData == null) {
                 // parse failed
                 MasterImage.getImage().setDepthMapLoadingStatus(DdmStatus.DDM_FAILED);
             } else {
                 mLoadMpoTask = new LoadMpoDataTask();
-                mLoadMpoTask.execute(result);
+                mLoadMpoTask.execute(mPrimaryImgData, mAuxImgData);
             }
 
             Fragment currentPanel = getSupportFragmentManager().findFragmentByTag(MainPanel.FRAGMENT_TAG);
@@ -1228,12 +1239,17 @@ public class FilterShowActivity extends FragmentActivity implements OnItemClickL
 
         @Override
         protected Boolean doInBackground(byte[]... params) {
-            return MasterImage.getImage().loadMpo(params[0]);
+            return MasterImage.getImage().loadMpo(params[0], params[1]);
         }
 
         @Override
         protected void onPostExecute(Boolean result) {
             MasterImage.getImage().setDepthMapLoadingStatus(result?DdmStatus.DDM_LOADED:DdmStatus.DDM_FAILED);
+            Fragment currentPanel = getSupportFragmentManager().findFragmentByTag(MainPanel.FRAGMENT_TAG);
+            if (currentPanel instanceof MainPanel) {
+                MainPanel mainPanel = (MainPanel) currentPanel;
+                mainPanel.updateDualCameraButton();
+            }
             stopLoadingIndicator();
         }
     }
diff --git a/src/com/android/gallery3d/filtershow/category/MainPanel.java b/src/com/android/gallery3d/filtershow/category/MainPanel.java
index f4b22e37b..6571c46a3 100644
--- a/src/com/android/gallery3d/filtershow/category/MainPanel.java
+++ b/src/com/android/gallery3d/filtershow/category/MainPanel.java
@@ -38,6 +38,7 @@ import com.android.gallery3d.filtershow.filters.SimpleMakeupImageFilter;
 import com.android.gallery3d.filtershow.filters.TrueScannerActs;
 import com.android.gallery3d.filtershow.imageshow.MasterImage;
 import com.android.gallery3d.filtershow.state.StatePanel;
+import com.android.gallery3d.filtershow.tools.DualCameraNativeEngine;
 import com.android.gallery3d.filtershow.tools.DualCameraNativeEngine.DdmStatus;
 
 public class MainPanel extends Fragment implements BottomPanel.BottomPanelDelegate {
@@ -171,6 +172,10 @@ public class MainPanel extends Fragment implements BottomPanel.BottomPanelDelega
         geometryButton = (ImageButton) bottomPanel.findViewById(R.id.geometryButton);
         filtersButton = (ImageButton) bottomPanel.findViewById(R.id.colorsButton);
         dualCamButton = (ImageButton) bottomPanel.findViewById(R.id.dualCamButton);
+        if(!DualCameraNativeEngine.getInstance().isLibLoaded()) {
+            dualCamButton.setVisibility(View.GONE);
+        }
+
         if (SimpleMakeupImageFilter.HAS_TS_MAKEUP) {
             makeupButton = (ImageButton) bottomPanel.findViewById(R.id.makeupButton);
             makeupButton.setVisibility(View.VISIBLE);
diff --git a/src/com/android/gallery3d/filtershow/imageshow/MasterImage.java b/src/com/android/gallery3d/filtershow/imageshow/MasterImage.java
index fa82989bb..09bf27bd9 100644
--- a/src/com/android/gallery3d/filtershow/imageshow/MasterImage.java
+++ b/src/com/android/gallery3d/filtershow/imageshow/MasterImage.java
@@ -53,7 +53,6 @@ import com.android.gallery3d.filtershow.pipeline.SharedPreset;
 import com.android.gallery3d.filtershow.state.StateAdapter;
 import com.android.gallery3d.filtershow.tools.DualCameraNativeEngine;
 import com.android.gallery3d.filtershow.tools.DualCameraNativeEngine.DdmStatus;
-import com.android.gallery3d.mpo.MpoParser;
 
 public class MasterImage implements RenderingRequestCaller {
 
@@ -957,11 +956,11 @@ public class MasterImage implements RenderingRequestCaller {
         return mPreset.contains(FilterRepresentation.TYPE_TINYPLANET);
     }
 
-    public boolean loadMpo(byte[] auxiliaryMpoData) {
+    public boolean loadMpo(byte[] primaryMpoData, byte[] auxiliaryMpoData) {
         boolean loaded = false;
 
         if(auxiliaryMpoData != null) {
-            Bitmap primaryBm = ImageLoader.loadBitmap(getActivity(), getUri(), null);
+            Bitmap primaryBm = BitmapFactory.decodeByteArray(primaryMpoData, 0, primaryMpoData.length);
 
             if(primaryBm == null) {
                 return false;
diff --git a/src/com/android/gallery3d/mpo/MpoParser.java b/src/com/android/gallery3d/mpo/MpoParser.java
index d859c05b4..f865ca061 100644
--- a/src/com/android/gallery3d/mpo/MpoParser.java
+++ b/src/com/android/gallery3d/mpo/MpoParser.java
@@ -37,6 +37,8 @@ import java.io.InputStream;
 import java.nio.ByteBuffer;
 import java.nio.ByteOrder;
 import java.nio.channels.FileChannel;
+import java.util.ArrayList;
+import java.util.HashMap;
 
 import android.content.ContentResolver;
 import android.content.Context;
@@ -62,12 +64,13 @@ public class MpoParser {
     private int mMpHeaderOffset;
     private int mIfd1Offset;
     private int mMpEntryOffset;
-    private MpEntry mPrimaryEntry;
-    private MpEntry mSecondaryEntry;
+    private HashMap<Short, MpoTag> mTags = new HashMap<Short, MpoTag>();
+    private ArrayList<MpEntry> mMpEntries = new ArrayList<MpEntry>();
 
     private MpoParser(Context context, Uri uri) {
         mContentResolver = context.getContentResolver();
         mUri = uri;
+        mTags.clear();
 
         InputStream is = null;
         try {
@@ -136,31 +139,38 @@ public class MpoParser {
         mDataStream.skipTo(mIfd1Offset);
         int count = mDataStream.readShort();
         // add 6 (2 for count, 4 for offset to next IFD)
+        for(int i=0; i<count; i++) {
+            MpoTag tag = readMpoTag();
+            mTags.put(tag.mId, tag);
+        }
+
         mMpEntryOffset = mIfd1Offset + (count*MP_INDEX_FIELD_SIZE_BYTES) + 6;
     }
 
-    private MpEntry readMpEntryData() {
-        try {
-            mDataStream.skipTo(mMpEntryOffset);
-
-            mPrimaryEntry = new MpEntry();
-            mPrimaryEntry.mImgAttribute = mDataStream.readInt();
-            mPrimaryEntry.mImgSize = mDataStream.readInt();
-            mPrimaryEntry.mImgDataOffset = mDataStream.readInt();
-            mPrimaryEntry.mDepImg1Entry = mDataStream.readShort();
-            mPrimaryEntry.mDepImg2Entry = mDataStream.readShort();
-
-            mSecondaryEntry = new MpEntry();
-            mSecondaryEntry.mImgAttribute = mDataStream.readInt();
-            mSecondaryEntry.mImgSize = mDataStream.readInt();
-            mSecondaryEntry.mImgDataOffset = mDataStream.readInt();
-            mSecondaryEntry.mDepImg1Entry = mDataStream.readShort();
-            mSecondaryEntry.mDepImg2Entry = mDataStream.readShort();
-        } catch (IOException e) {
-            e.printStackTrace();
-        }
+    private MpoTag readMpoTag() throws IOException {
+        MpoTag tag = new MpoTag();
+        tag.mId = mDataStream.readShort();
+        tag.mType = mDataStream.readShort();
+        tag.mCount = mDataStream.readInt();
+        tag.mData = mDataStream.readInt();
+        return tag;
+    }
+
+    private void readMpEntryData() throws IOException {
+        MpoTag numImagesTag = mTags.get((short)0xB001);
+        int numImages = numImagesTag.mData;
+
+        mDataStream.skipTo(mMpEntryOffset);
 
-        return mPrimaryEntry;
+        for(int i=0; i<numImages; i++) {
+            MpEntry mpEntry = new MpEntry();
+            mpEntry.mImgAttribute = mDataStream.readInt();
+            mpEntry.mImgSize = mDataStream.readInt();
+            mpEntry.mImgDataOffset = mDataStream.readInt();
+            mpEntry.mDepImg1Entry = mDataStream.readShort();
+            mpEntry.mDepImg2Entry = mDataStream.readShort();
+            mMpEntries.add(mpEntry);
+        }
     }
 
     public byte[] readImgData(boolean primary) {
@@ -168,9 +178,17 @@ public class MpoParser {
         byte[] data = null;
 
         if(primary) {
-            mpEntry = mPrimaryEntry;
+            if(mMpEntries.size() > 2) {
+                mpEntry = mMpEntries.get(1);
+            } else {
+                mpEntry = mMpEntries.get(0);
+            }
         } else {
-            mpEntry = mSecondaryEntry;
+            if(mMpEntries.size() > 2) {
+                mpEntry = mMpEntries.get(2);
+            } else {
+                mpEntry = mMpEntries.get(1);
+            }
         }
 
         if(mpEntry == null)
@@ -288,4 +306,12 @@ public class MpoParser {
         short mDepImg1Entry;
         short mDepImg2Entry;
     }
-}
\ No newline at end of file
+
+    class MpoTag {
+        short mId;
+        short mType;
+        int mCount;
+        int mData;
+    }
+}
+