SnapdragonCamera: Blurbuster filter

Adding blurbuster filter to the post processor

Change-Id: I2958a2b1b0df834c4cb5b921e49d21d2e20c8377
CRs-Fixed: 1080317

2 files changed, 171 insertions, 1 deletions

diff --git a/src/com/android/camera/imageprocessor/PostProcessor.java b/src/com/android/camera/imageprocessor/PostProcessor.java
index 228c0816f..82467acaa 100644
--- a/src/com/android/camera/imageprocessor/PostProcessor.java
+++ b/src/com/android/camera/imageprocessor/PostProcessor.java
@@ -61,6 +61,7 @@ import com.android.camera.SettingsManager;
 import com.android.camera.exif.ExifInterface;
 import com.android.camera.exif.Rational;
 import com.android.camera.imageprocessor.filter.BestpictureFilter;
+import com.android.camera.imageprocessor.filter.BlurbusterFilter;
 import com.android.camera.imageprocessor.filter.ChromaflashFilter;
 import com.android.camera.imageprocessor.filter.OptizoomFilter;
 import com.android.camera.imageprocessor.filter.SharpshooterFilter;
@@ -94,7 +95,8 @@ public class PostProcessor{
     public static final int FILTER_STILLMORE = 4;
     public static final int FILTER_BESTPICTURE = 5;
     public static final int FILTER_CHROMAFLASH = 6;
-    public static final int FILTER_MAX = 7;
+    public static final int FILTER_BLURBUSTER = 7;
+    public static final int FILTER_MAX = 8;
 
     //BestPicture requires 10 which is the biggest among filters
     public static final int MAX_REQUIRED_IMAGE_NUM = 11;
@@ -588,6 +590,9 @@ public class PostProcessor{
                 case FILTER_STILLMORE:
                     mFilter = new StillmoreFilter(mController);
                     break;
+                case FILTER_BLURBUSTER:
+                    mFilter = new BlurbusterFilter(mController);
+                    break;
                 case FILTER_BESTPICTURE:
                     mFilter = new BestpictureFilter(mController, mActivity, this);
                     break;
diff --git a/src/com/android/camera/imageprocessor/filter/BlurbusterFilter.java b/src/com/android/camera/imageprocessor/filter/BlurbusterFilter.java
new file mode 100644
index 000000000..2ac8fdc0e
--- /dev/null
+++ b/src/com/android/camera/imageprocessor/filter/BlurbusterFilter.java
@@ -0,0 +1,165 @@
+/*
+Copyright (c) 2016, The Linux Foundation. All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are
+met:
+    * Redistributions of source code must retain the above copyright
+      notice, this list of conditions and the following disclaimer.
+    * Redistributions in binary form must reproduce the above
+      copyright notice, this list of conditions and the following
+      disclaimer in the documentation and/or other materials provided
+      with the distribution.
+    * Neither the name of The Linux Foundation nor the names of its
+      contributors may be used to endorse or promote products derived
+      from this software without specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
+WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
+ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
+BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
+BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
+OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
+IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+package com.android.camera.imageprocessor.filter;
+
+import android.graphics.Rect;
+import android.hardware.camera2.CameraCaptureSession;
+import android.hardware.camera2.CaptureRequest;
+import android.os.Handler;
+import android.util.Log;
+
+import com.android.camera.CaptureModule;
+
+import java.nio.ByteBuffer;
+import java.util.ArrayList;
+import java.util.List;
+
+public class BlurbusterFilter implements ImageFilter{
+    public static final int NUM_REQUIRED_IMAGE = 5;
+    private int mWidth;
+    private int mHeight;
+    private int mStrideY;
+    private int mStrideVU;
+    private static String TAG = "BlurbusterFilter";
+    private static final boolean DEBUG = false;
+    private static boolean mIsSupported = false;
+    private ByteBuffer mOutBuf;
+    private CaptureModule mModule;
+
+    private static void Log(String msg) {
+        if(DEBUG) {
+            Log.d(TAG, msg);
+        }
+    }
+
+    public BlurbusterFilter(CaptureModule module) {
+        mModule = module;
+    }
+
+    @Override
+    public List<CaptureRequest> setRequiredImages(CaptureRequest.Builder builder) {
+        List<CaptureRequest> list = new ArrayList<CaptureRequest>();
+        for(int i=0; i < NUM_REQUIRED_IMAGE; i++) {
+            list.add(builder.build());
+        }
+        return list;
+    }
+
+    @Override
+    public String getStringName() {
+        return TAG;
+    }
+
+    @Override
+    public int getNumRequiredImage() {
+        return NUM_REQUIRED_IMAGE;
+    }
+
+    @Override
+    public void init(int width, int height, int strideY, int strideVU) {
+        Log("init");
+        mWidth = width/2*2;
+        mHeight = height/2*2;
+        mStrideY = strideY/2*2;
+        mStrideVU = strideVU/2*2;
+        mOutBuf = ByteBuffer.allocate(mStrideY*mHeight*3/2);
+        Log("width: "+mWidth+" height: "+mHeight+" strideY: "+mStrideY+" strideVU: "+mStrideVU);
+        nativeInit(mWidth, mHeight, mStrideY, mStrideVU, NUM_REQUIRED_IMAGE);
+    }
+
+    @Override
+    public void deinit() {
+        Log("deinit");
+        mOutBuf = null;
+        nativeDeinit();
+    }
+
+    @Override
+    public void addImage(ByteBuffer bY, ByteBuffer bVU, int imageNum, Object param) {
+        Log("addImage");
+        int yActualSize = bY.remaining();
+        int vuActualSize = bVU.remaining();
+        int status = nativeAddImage(bY, bVU, yActualSize, vuActualSize, imageNum);
+        if(status != 0) {
+            Log.e(TAG, "Fail to add image");
+        }
+    }
+
+    @Override
+    public ResultImage processImage() {
+        Log("processImage ");
+        int[] roi = new int[4];
+        int status = nativeProcessImage(mOutBuf.array(),roi);
+        Log("processImage done");
+        if(status < 0) { //In failure case, library will return the first image as it is.
+            Log.w(TAG, "Fail to process the image.");
+        }
+        return new ResultImage(mOutBuf, new Rect(roi[0], roi[1], roi[0]+roi[2], roi[1] + roi[3]), mWidth, mHeight, mStrideY);
+    }
+
+    @Override
+    public boolean isSupported() {
+        return mIsSupported;
+    }
+
+    @Override
+    public boolean isFrameListener() {
+        return false;
+    }
+
+    @Override
+    public boolean isManualMode() {
+        return false;
+    }
+
+    @Override
+    public void manualCapture(CaptureRequest.Builder builder, CameraCaptureSession captureSession,
+                              CameraCaptureSession.CaptureCallback callback, Handler handler) {
+
+    }
+
+    public static boolean isSupportedStatic() {
+        return mIsSupported;
+    }
+
+    private native int nativeInit(int width, int height, int yStride, int vuStride, int numImages);
+    private native int nativeDeinit();
+    private native int nativeAddImage(ByteBuffer yB, ByteBuffer vuB, int ySize, int vuSize, int imageNum);
+    private native int nativeProcessImage(byte[] buffer, int[] roi);
+
+    static {
+        try {
+            System.loadLibrary("jni_blurbuster");
+            mIsSupported = true;
+        }catch(UnsatisfiedLinkError e) {
+            Log.d(TAG, e.toString());
+            mIsSupported = false;
+        }
+    }
+}