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      1 /*
      2  * Copyright (C) 2009 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 package com.android.camera.stress;
     18 
     19 import com.android.camera.CameraActivity;
     20 
     21 import android.app.Instrumentation;
     22 import android.os.Environment;
     23 import android.test.ActivityInstrumentationTestCase2;
     24 import android.test.suitebuilder.annotation.LargeTest;
     25 import android.util.Log;
     26 import android.view.KeyEvent;
     27 
     28 import java.io.BufferedWriter;
     29 import java.io.FileWriter;
     30 
     31 /**
     32  * Junit / Instrumentation test case for camera test
     33  *
     34  */
     35 
     36 public class CameraLatency extends ActivityInstrumentationTestCase2 <CameraActivity> {
     37     private String TAG = "CameraLatency";
     38     private static final int TOTAL_NUMBER_OF_IMAGECAPTURE = 20;
     39     private static final long WAIT_FOR_IMAGE_CAPTURE_TO_BE_TAKEN = 4000;
     40     private static final String CAMERA_TEST_OUTPUT_FILE =
     41             Environment.getExternalStorageDirectory().toString() + "/mediaStressOut.txt";
     42 
     43     private long mTotalAutoFocusTime;
     44     private long mTotalShutterLag;
     45     private long mTotalShutterToPictureDisplayedTime;
     46     private long mTotalPictureDisplayedToJpegCallbackTime;
     47     private long mTotalJpegCallbackFinishTime;
     48     private long mTotalFirstPreviewTime;
     49     private long mAvgAutoFocusTime;
     50     private long mAvgShutterLag = mTotalShutterLag;
     51     private long mAvgShutterToPictureDisplayedTime;
     52     private long mAvgPictureDisplayedToJpegCallbackTime;
     53     private long mAvgJpegCallbackFinishTime;
     54     private long mAvgFirstPreviewTime;
     55 
     56 
     57     public CameraLatency() {
     58         super(CameraActivity.class);
     59     }
     60 
     61     @Override
     62     protected void setUp() throws Exception {
     63         getActivity();
     64         super.setUp();
     65     }
     66 
     67     @Override
     68     protected void tearDown() throws Exception {
     69         super.tearDown();
     70     }
     71 
     72     public void testImageCapture() {
     73         Log.v(TAG, "start testImageCapture test");
     74         Instrumentation inst = getInstrumentation();
     75         inst.sendKeyDownUpSync(KeyEvent.KEYCODE_DPAD_DOWN);
     76         try {
     77             for (int i = 0; i < TOTAL_NUMBER_OF_IMAGECAPTURE; i++) {
     78                 Thread.sleep(WAIT_FOR_IMAGE_CAPTURE_TO_BE_TAKEN);
     79                 inst.sendKeyDownUpSync(KeyEvent.KEYCODE_DPAD_CENTER);
     80                 Thread.sleep(WAIT_FOR_IMAGE_CAPTURE_TO_BE_TAKEN);
     81                 //skip the first measurement
     82                 if (i != 0) {
     83                     CameraActivity c = getActivity();
     84 
     85                     // if any of the latency var accessor methods return -1 then the
     86                     // camera is set to a different module other than PhotoModule so
     87                     // skip the shot and try again
     88                     if (c.getAutoFocusTime() != -1) {
     89                         mTotalAutoFocusTime += c.getAutoFocusTime();
     90                         mTotalShutterLag += c.getShutterLag();
     91                         mTotalShutterToPictureDisplayedTime +=
     92                                 c.getShutterToPictureDisplayedTime();
     93                         mTotalPictureDisplayedToJpegCallbackTime +=
     94                                 c.getPictureDisplayedToJpegCallbackTime();
     95                         mTotalJpegCallbackFinishTime += c.getJpegCallbackFinishTime();
     96                         mTotalFirstPreviewTime += c.getFirstPreviewTime();
     97                     }
     98                     else {
     99                         i--;
    100                         continue;
    101                     }
    102                 }
    103             }
    104         } catch (Exception e) {
    105             Log.v(TAG, "Got exception", e);
    106         }
    107         //ToDO: yslau
    108         //1) Need to get the baseline from the cupcake so that we can add the
    109         //failure condition of the camera latency.
    110         //2) Only count those number with succesful capture. Set the timer to invalid
    111         //before capture and ignore them if the value is invalid
    112         int numberofRun = TOTAL_NUMBER_OF_IMAGECAPTURE - 1;
    113         mAvgAutoFocusTime = mTotalAutoFocusTime / numberofRun;
    114         mAvgShutterLag = mTotalShutterLag / numberofRun;
    115         mAvgShutterToPictureDisplayedTime =
    116                 mTotalShutterToPictureDisplayedTime / numberofRun;
    117         mAvgPictureDisplayedToJpegCallbackTime =
    118                 mTotalPictureDisplayedToJpegCallbackTime / numberofRun;
    119         mAvgJpegCallbackFinishTime =
    120                 mTotalJpegCallbackFinishTime / numberofRun;
    121         mAvgFirstPreviewTime =
    122                 mTotalFirstPreviewTime / numberofRun;
    123 
    124         try {
    125             FileWriter fstream = null;
    126             fstream = new FileWriter(CAMERA_TEST_OUTPUT_FILE, true);
    127             BufferedWriter out = new BufferedWriter(fstream);
    128             out.write("Camera Latency : \n");
    129             out.write("Number of loop: " + TOTAL_NUMBER_OF_IMAGECAPTURE + "\n");
    130             out.write("Avg AutoFocus = " + mAvgAutoFocusTime + "\n");
    131             out.write("Avg mShutterLag = " + mAvgShutterLag + "\n");
    132             out.write("Avg mShutterToPictureDisplayedTime = "
    133                     + mAvgShutterToPictureDisplayedTime + "\n");
    134             out.write("Avg mPictureDisplayedToJpegCallbackTime = "
    135                     + mAvgPictureDisplayedToJpegCallbackTime + "\n");
    136             out.write("Avg mJpegCallbackFinishTime = " +
    137                     mAvgJpegCallbackFinishTime + "\n");
    138             out.write("Avg FirstPreviewTime = " +
    139                     mAvgFirstPreviewTime + "\n");
    140             out.close();
    141             fstream.close();
    142         } catch (Exception e) {
    143             fail("Camera Latency write output to file");
    144         }
    145         Log.v(TAG, "The Image capture wait time = " +
    146             WAIT_FOR_IMAGE_CAPTURE_TO_BE_TAKEN);
    147         Log.v(TAG, "Avg AutoFocus = " + mAvgAutoFocusTime);
    148         Log.v(TAG, "Avg mShutterLag = " + mAvgShutterLag);
    149         Log.v(TAG, "Avg mShutterToPictureDisplayedTime = "
    150                 + mAvgShutterToPictureDisplayedTime);
    151         Log.v(TAG, "Avg mPictureDisplayedToJpegCallbackTime = "
    152                 + mAvgPictureDisplayedToJpegCallbackTime);
    153         Log.v(TAG, "Avg mJpegCallbackFinishTime = " + mAvgJpegCallbackFinishTime);
    154         Log.v(TAG, "Avg FirstPreviewTime = " + mAvgFirstPreviewTime);
    155     }
    156 }
    157 
    158