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      1 /*
      2  * Copyright (C) 2011 The Android Open Source Project
      3  *
      4  * Licensed under the Apache License, Version 2.0 (the "License");
      5  * you may not use this file except in compliance with the License.
      6  * You may obtain a copy of the License at
      7  *
      8  *      http://www.apache.org/licenses/LICENSE-2.0
      9  *
     10  * Unless required by applicable law or agreed to in writing, software
     11  * distributed under the License is distributed on an "AS IS" BASIS,
     12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     13  * See the License for the specific language governing permissions and
     14  * limitations under the License.
     15  */
     16 
     17 
     18 package android.media.filterfw.samples;
     19 
     20 import android.app.Activity;
     21 import android.os.Bundle;
     22 import android.os.Environment;
     23 import android.view.View;
     24 import android.view.View.OnClickListener;
     25 import android.view.SurfaceView;
     26 import android.view.KeyEvent;
     27 import android.widget.Button;
     28 import android.filterfw.GraphEnvironment;
     29 import android.filterfw.core.GraphRunner;
     30 import android.filterpacks.videosink.MediaEncoderFilter;
     31 import android.graphics.Bitmap;
     32 import android.graphics.BitmapFactory;
     33 import android.content.Intent;
     34 
     35 public class CameraEffectsRecordingSample extends Activity {
     36 
     37     private Button mRunButton;
     38     private SurfaceView mCameraView;
     39 
     40     private GraphRunner mRunner;
     41     private int mCameraId = 0;
     42     private String mOutFileName =  Environment.getExternalStorageDirectory().toString() +
     43         "/CameraEffectsRecordingSample.mp4";
     44 
     45     public void onCreate(Bundle savedInstanceState) {
     46         super.onCreate(savedInstanceState);
     47         setContentView(R.layout.main);
     48         mRunButton = (Button) findViewById(R.id.runbutton);
     49         mCameraView = (SurfaceView) findViewById(R.id.cameraview);
     50         mRunButton.setOnClickListener(mRunButtonClick);
     51 
     52         Intent intent = getIntent();
     53         if (intent.hasExtra("OUTPUT_FILENAME")) {
     54             mOutFileName = intent.getStringExtra("OUTPUT_FILENAME");
     55         }
     56         // Set up the references and load the filter graph
     57         createGraph();
     58     }
     59 
     60     @Override
     61     public boolean onKeyDown(int keyCode, KeyEvent event) {
     62         switch (keyCode) {
     63             case KeyEvent.KEYCODE_CAMERA:
     64                 mRunButton.performClick();
     65                 return true;
     66         }
     67         return super.onKeyDown(keyCode, event);
     68     }
     69 
     70     private void createGraph() {
     71         Bitmap sourceBitmap = BitmapFactory.decodeResource(getResources(), R.drawable.android);
     72         GraphEnvironment graphEnvironment = new GraphEnvironment();
     73         graphEnvironment.createGLEnvironment();
     74         graphEnvironment.addReferences("cameraView", mCameraView);
     75         graphEnvironment.addReferences("cameraId", mCameraId);
     76         graphEnvironment.addReferences("outputFileName", mOutFileName);
     77         int graphId = graphEnvironment.loadGraph(this, R.raw.cameraeffectsrecordingsample);
     78         mRunner = graphEnvironment.getRunner(graphId, GraphEnvironment.MODE_ASYNCHRONOUS);
     79     }
     80 
     81     protected void onPause() {
     82         super.onPause();
     83         if (mRunner.isRunning()) {
     84             mRunner.stop();
     85             mRunButton.setText("Record");
     86         }
     87     }
     88 
     89     private OnClickListener mRunButtonClick = new OnClickListener() {
     90         @Override
     91         public void onClick(View v) {
     92             if (mRunner.isRunning()) {
     93                 mRunner.stop();
     94                 mRunButton.setText("Record");
     95             } else {
     96                 mRunner.run();
     97                 mRunButton.setText("Stop");
     98             }
     99         }
    100     };
    101 }
    102