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-rwxr-xr-xtests_camera/src/com/android/camera/stress/CameraLatency.java149
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diff --git a/tests_camera/src/com/android/camera/stress/CameraLatency.java b/tests_camera/src/com/android/camera/stress/CameraLatency.java
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+++ b/tests_camera/src/com/android/camera/stress/CameraLatency.java
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+/*
+ * Copyright (C) 2009 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.camera.stress;
+
+import com.android.camera.CameraActivity;
+
+import android.app.Instrumentation;
+import android.os.Environment;
+import android.test.ActivityInstrumentationTestCase2;
+import android.test.suitebuilder.annotation.LargeTest;
+import android.util.Log;
+import android.view.KeyEvent;
+
+import java.io.BufferedWriter;
+import java.io.FileWriter;
+
+/**
+ * Junit / Instrumentation test case for camera test
+ *
+ */
+
+public class CameraLatency extends ActivityInstrumentationTestCase2 <CameraActivity> {
+ private String TAG = "CameraLatency";
+ private static final int TOTAL_NUMBER_OF_IMAGECAPTURE = 20;
+ private static final long WAIT_FOR_IMAGE_CAPTURE_TO_BE_TAKEN = 4000;
+ private static final String CAMERA_TEST_OUTPUT_FILE =
+ Environment.getExternalStorageDirectory().toString() + "/mediaStressOut.txt";
+
+ private long mTotalAutoFocusTime;
+ private long mTotalShutterLag;
+ private long mTotalShutterToPictureDisplayedTime;
+ private long mTotalPictureDisplayedToJpegCallbackTime;
+ private long mTotalJpegCallbackFinishTime;
+ private long mAvgAutoFocusTime;
+ private long mAvgShutterLag = mTotalShutterLag;
+ private long mAvgShutterToPictureDisplayedTime;
+ private long mAvgPictureDisplayedToJpegCallbackTime;
+ private long mAvgJpegCallbackFinishTime;
+
+ public CameraLatency() {
+ super(CameraActivity.class);
+ }
+
+ @Override
+ protected void setUp() throws Exception {
+ getActivity();
+ super.setUp();
+ }
+
+ @Override
+ protected void tearDown() throws Exception {
+ super.tearDown();
+ }
+
+ @LargeTest
+ public void testImageCapture() {
+ Log.v(TAG, "start testImageCapture test");
+ Instrumentation inst = getInstrumentation();
+ inst.sendKeyDownUpSync(KeyEvent.KEYCODE_DPAD_DOWN);
+ try {
+ for (int i = 0; i < TOTAL_NUMBER_OF_IMAGECAPTURE; i++) {
+ Thread.sleep(WAIT_FOR_IMAGE_CAPTURE_TO_BE_TAKEN);
+ inst.sendKeyDownUpSync(KeyEvent.KEYCODE_DPAD_CENTER);
+ Thread.sleep(WAIT_FOR_IMAGE_CAPTURE_TO_BE_TAKEN);
+ //skip the first measurement
+ if (i != 0) {
+ CameraActivity c = getActivity();
+
+ // if any of the latency var accessor methods return -1 then the
+ // camera is set to a different module other than PhotoModule so
+ // skip the shot and try again
+ if (c.getAutoFocusTime() != -1) {
+ mTotalAutoFocusTime += c.getAutoFocusTime();
+ mTotalShutterLag += c.getShutterLag();
+ mTotalShutterToPictureDisplayedTime +=
+ c.getShutterToPictureDisplayedTime();
+ mTotalPictureDisplayedToJpegCallbackTime +=
+ c.getPictureDisplayedToJpegCallbackTime();
+ mTotalJpegCallbackFinishTime += c.getJpegCallbackFinishTime();
+ }
+ else {
+ i--;
+ continue;
+ }
+ }
+ }
+ } catch (Exception e) {
+ Log.v(TAG, "Got exception", e);
+ }
+ //ToDO: yslau
+ //1) Need to get the baseline from the cupcake so that we can add the
+ //failure condition of the camera latency.
+ //2) Only count those number with succesful capture. Set the timer to invalid
+ //before capture and ignore them if the value is invalid
+ int numberofRun = TOTAL_NUMBER_OF_IMAGECAPTURE - 1;
+ mAvgAutoFocusTime = mTotalAutoFocusTime / numberofRun;
+ mAvgShutterLag = mTotalShutterLag / numberofRun;
+ mAvgShutterToPictureDisplayedTime =
+ mTotalShutterToPictureDisplayedTime / numberofRun;
+ mAvgPictureDisplayedToJpegCallbackTime =
+ mTotalPictureDisplayedToJpegCallbackTime / numberofRun;
+ mAvgJpegCallbackFinishTime =
+ mTotalJpegCallbackFinishTime / numberofRun;
+
+ try {
+ FileWriter fstream = null;
+ fstream = new FileWriter(CAMERA_TEST_OUTPUT_FILE, true);
+ BufferedWriter out = new BufferedWriter(fstream);
+ out.write("Camera Latency : \n");
+ out.write("Number of loop: " + TOTAL_NUMBER_OF_IMAGECAPTURE + "\n");
+ out.write("Avg AutoFocus = " + mAvgAutoFocusTime + "\n");
+ out.write("Avg mShutterLag = " + mAvgShutterLag + "\n");
+ out.write("Avg mShutterToPictureDisplayedTime = "
+ + mAvgShutterToPictureDisplayedTime + "\n");
+ out.write("Avg mPictureDisplayedToJpegCallbackTime = "
+ + mAvgPictureDisplayedToJpegCallbackTime + "\n");
+ out.write("Avg mJpegCallbackFinishTime = " +
+ mAvgJpegCallbackFinishTime + "\n");
+ out.close();
+ fstream.close();
+ } catch (Exception e) {
+ fail("Camera Latency write output to file");
+ }
+ Log.v(TAG, "The Image capture wait time = " +
+ WAIT_FOR_IMAGE_CAPTURE_TO_BE_TAKEN);
+ Log.v(TAG, "Avg AutoFocus = " + mAvgAutoFocusTime);
+ Log.v(TAG, "Avg mShutterLag = " + mAvgShutterLag);
+ Log.v(TAG, "Avg mShutterToPictureDisplayedTime = "
+ + mAvgShutterToPictureDisplayedTime);
+ Log.v(TAG, "Avg mPictureDisplayedToJpegCallbackTime = "
+ + mAvgPictureDisplayedToJpegCallbackTime);
+ Log.v(TAG, "Avg mJpegCallbackFinishTime = " + mAvgJpegCallbackFinishTime);
+ }
+}
+