beta 0.2.0.5

- CPU
	- add support for DepthToSpace & SpaceToDepth ops
- OpenGL
	- add Android demo
	- add half / float runtime option
	- add support for ROIPooling, Squeeze
	- fix bugs in conv im2col
- OpenCL
	- fix Concat, Eltwise, Reshape bugs
- Tools
	- add KL threshold method in quantization tool
	- support optimization for graph with multiple rnn

Author: liqing

CMakeLists.txt

@@ -39,9 +39,6 @@ endif()
 if(MNN_FORBID_MULTI_THREAD)
     add_definitions(-DMNN_FORBIT_MULTI_THREADS)
 endif()
-if(MNN_USE_INT8_FAST)
-    add_definitions(-DMNN_USE_INT8_FAST)
-endif()
 
 # debug options
 option(MNN_DEBUG "Enable MNN DEBUG" OFF)

demo/android/app/src/main/AndroidManifest.xml

@@ -29,12 +29,9 @@
             </intent-filter>
         </activity>
         <activity android:name=".ImageActivity"></activity>
+        <activity android:name=".OpenGLTestActivity"></activity>
         <activity android:name=".PortraitActivity"
             android:theme="@style/AppTheme.NoActionBar">
-            <!--<intent-filter>-->
-                <!--<action android:name="android.intent.action.MAIN" />-->
-                <!--<category android:name="android.intent.category.LAUNCHER" />-->
-            <!--</intent-filter>-->
         </activity>
     </application>
 

demo/android/app/src/main/java/com/taobao/android/mnn/MNNNetInstance.java

@@ -6,7 +6,7 @@
 public class MNNNetInstance {
     private static final String TAG = "MNNDemo";
 
-    public static MNNNetInstance createFromFile(Context context, String fileName) {
+    public static MNNNetInstance createFromFile(String fileName) {
         long instance = MNNNetNative.nativeCreateNetFromFile(fileName);
         if (0 == instance) {
             Log.e(TAG, "Create Net Failed from file " + fileName);

demo/android/app/src/main/java/com/taobao/android/mnndemo/CameraView.java

@@ -20,26 +20,13 @@ public class CameraView extends SurfaceView implements SurfaceHolder.Callback, C
     private static final String TAG = "AiNNDemo";
 
     private static final int MINIMUM_PREVIEW_SIZE = 320;
-
+    private static final int PREVIEW_CALLBACK_FREQUENCE = 5;
     private Camera mCamera;
     private Camera.Parameters mParams;
     private Camera.Size mPreviewSize;
-
     private PreviewCallback mPreviewCallback;
     private int mOrientationAngle;
-
     private int previewCallbackCount;
-    private static final int PREVIEW_CALLBACK_FREQUENCE = 5;
-
-    public interface PreviewCallback {
-        void onGetPreviewOptimalSize(int optimalWidth, int optimalHeight);
-
-        void onPreviewFrame(byte[] data, int imageWidth, int imageHeight, int angle);
-    }
-
-    public void setPreviewCallback(CameraView.PreviewCallback previewCallback) {
-        mPreviewCallback = previewCallback;
-    }
 
     public CameraView(Context context) {
         this(context, null);
@@ -52,6 +39,10 @@ public CameraView(Context context, AttributeSet attrs) {
         holder.addCallback(this);
     }
 
+    public void setPreviewCallback(CameraView.PreviewCallback previewCallback) {
+        mPreviewCallback = previewCallback;
+    }
+
     private void openCamera(SurfaceHolder holder) {
         // release Camera, if not release camera before call camera, it will be locked
         releaseCamera();
@@ -103,7 +94,6 @@ private synchronized void releaseCamera() {
         }
     }
 
-
     @Override
     public void surfaceCreated(SurfaceHolder surfaceHolder) {
         Log.i("AiNNDemo", "surfaceCreated");
@@ -121,7 +111,6 @@ public void surfaceDestroyed(SurfaceHolder surfaceHolder) {
         Log.i("AiNNDemo", "surfaceDestroyed");
     }
 
-
     public void setCameraDisplayOrientation(Activity activity,
                                             int cameraId, android.hardware.Camera camera) {
         android.hardware.Camera.CameraInfo info =
@@ -180,7 +169,6 @@ public void onPreviewFrame(byte[] bytes, Camera camera) {
         mPreviewCallback.onPreviewFrame(bytes, mPreviewSize.width, mPreviewSize.height, mOrientationAngle);
     }
 
-
     /**
      * Given choices supported by a camera, chooses the smallest one whose
      * width and height are at least as large as the minimum of both, or an exact match if possible.
@@ -216,6 +204,13 @@ private Camera.Size getPropPreviewSize(List<Camera.Size> choices, int minWidth,
         }
     }
 
+
+    public interface PreviewCallback {
+        void onGetPreviewOptimalSize(int optimalWidth, int optimalHeight);
+
+        void onPreviewFrame(byte[] data, int imageWidth, int imageHeight, int angle);
+    }
+
     // Compares two size based on their areas.
     static class CompareSizesByArea implements Comparator<Camera.Size> {
         @Override

demo/android/app/src/main/java/com/taobao/android/mnndemo/ImageActivity.java

@@ -189,7 +189,7 @@ private void prepareMobileNet() {
         }
 
         // create net instance
-        mNetInstance = MNNNetInstance.createFromFile(ImageActivity.this, modelPath);
+        mNetInstance = MNNNetInstance.createFromFile(modelPath);
 
         // create session with config
         MNNNetInstance.Config config = new MNNNetInstance.Config();

demo/android/app/src/main/java/com/taobao/android/mnndemo/OpenGLTestActivity.java

@@ -0,0 +1,55 @@
+package com.taobao.android.mnndemo;
+
+import android.os.Bundle;
+import android.support.v7.app.AppCompatActivity;
+import android.view.View;
+import android.view.Window;
+import android.view.WindowManager;
+import android.widget.TextView;
+
+import com.taobao.android.opengl.CameraRenderer;
+
+public class OpenGLTestActivity extends AppCompatActivity {
+
+    private TextView mTextView;
+    private CameraRenderer mRenderer;
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        this.requestWindowFeature(Window.FEATURE_NO_TITLE);
+
+        View decorView = getWindow().getDecorView();
+        int uiOptions = View.SYSTEM_UI_FLAG_HIDE_NAVIGATION | View.SYSTEM_UI_FLAG_FULLSCREEN;
+        decorView.setSystemUiVisibility(uiOptions);
+
+        getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN, WindowManager.LayoutParams.FLAG_FULLSCREEN );
+        setContentView(R.layout.opengl_test);
+
+        mTextView = (TextView) findViewById(R.id.cost_time_text);
+        mRenderer = (CameraRenderer)findViewById(R.id.renderer_view);
+        mRenderer.setContext(this);
+        mRenderer.setTextView(mTextView);
+
+    }
+
+    @Override
+    protected void onResume() {
+        super.onResume();
+        mRenderer.onResume();
+    }
+
+    @Override
+    protected void onPause() {
+        mRenderer.onPause();
+        super.onPause();
+    }
+
+    @Override
+    protected void onDestroy() {
+        super.onDestroy();
+        mRenderer.onDestroy();
+    }
+}
+
+

demo/android/app/src/main/java/com/taobao/android/mnndemo/PortraitActivity.java

@@ -57,7 +57,7 @@ public class PortraitActivity extends AppCompatActivity {
 
     Paint keyPaint = new Paint();
 
-    private void prepareModels() {
+    public void prepareModels() {
 
         mMobileModelFileName = "Portrait/Portrait.tflite.mnn";
         mMobileModelPath = getCacheDir() + "/Portrait.tflite.mnn";
@@ -70,15 +70,15 @@ private void prepareModels() {
 
     }
 
-    private void prepareNet() {
+    public void prepareNet() {
         if (mNetInstance != null) {
             mNetInstance.release();
         }
 
         String modelPath = mMobileModelPath;
 
         // create net instance
-        mNetInstance = MNNNetInstance.createFromFile(PortraitActivity.this, modelPath);
+        mNetInstance = MNNNetInstance.createFromFile(modelPath);
 
         // create session
         mConfig = new MNNNetInstance.Config();

demo/android/app/src/main/java/com/taobao/android/mnndemo/VideoActivity.java

@@ -152,7 +152,7 @@ private void prepareNet() {
         }
 
         // create net instance
-        mNetInstance = MNNNetInstance.createFromFile(VideoActivity.this, modelPath);
+        mNetInstance = MNNNetInstance.createFromFile(modelPath);
 
         // mConfig.saveTensors;
         mSession = mNetInstance.createSession(mConfig);
@@ -466,6 +466,9 @@ else if (mModelSpinner.getId() == adapterView.getId()) {
             } else if (i == 2) {
                 Intent intent = new Intent(VideoActivity.this, PortraitActivity.class);
                 startActivity(intent);
+            } else if (i == 3) {
+                Intent intent = new Intent(VideoActivity.this, OpenGLTestActivity.class);
+                startActivity(intent);
             }
         }