Adding camera zoom test to mediaframework stress suite.

Change-Id: I3ee72156f42cf189ff1d0bd469f83b938a6b87ff

3 files changed, 331 insertions, 7 deletions

diff --git a/media/tests/MediaFrameworkTest/AndroidManifest.xml b/media/tests/MediaFrameworkTest/AndroidManifest.xml
index dd5e026..b698705 100644
--- a/media/tests/MediaFrameworkTest/AndroidManifest.xml
+++ b/media/tests/MediaFrameworkTest/AndroidManifest.xml
@@ -4,9 +4,9 @@
      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.
@@ -16,7 +16,7 @@
 
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
     package="com.android.mediaframeworktest">
-    
+
     <uses-permission android:name="android.permission.RECORD_AUDIO" />
     <uses-permission android:name="android.permission.CAMERA" />
     <uses-permission android:name="android.permission.INTERNET" />
@@ -24,7 +24,7 @@
     <uses-permission android:name="android.permission.MODIFY_AUDIO_SETTINGS" />
     <uses-permission android:name="android.permission.WAKE_LOCK" />
 
-    <application>    
+    <application>
         <uses-library android:name="android.test.runner" />
         <activity android:label="@string/app_name"
                 android:name="MediaFrameworkTest"
@@ -34,12 +34,18 @@
                 <category android:name="android.intent.category.LAUNCHER"/>
             </intent-filter>
         </activity>
-    </application>   
+    </application>
+
+    <instrumentation android:name=".CameraStressTestRunner"
+        android:targetPackage="com.android.mediaframeworktest"
+        android:label="Camera stress tests InstrumentationRunner">
+    </instrumentation>
+
     <instrumentation android:name=".MediaFrameworkTestRunner"
          android:targetPackage="com.android.mediaframeworktest"
          android:label="MediaFramework tests InstrumentationRunner">
      </instrumentation>
-     
+
       <instrumentation android:name=".MediaFrameworkPerfTestRunner"
          android:targetPackage="com.android.mediaframeworktest"
          android:label="MediaFramework Performance tests InstrumentationRunner">
@@ -49,7 +55,7 @@
          android:targetPackage="com.android.mediaframeworktest"
          android:label="MediaFramework unit tests InstrumentationRunner">
      </instrumentation>
-     
+
      <instrumentation android:name=".MediaRecorderStressTestRunner"
          android:targetPackage="com.android.mediaframeworktest"
          android:label="MediaRecorder stress tests InstrumentationRunner">
diff --git a/media/tests/MediaFrameworkTest/src/com/android/mediaframeworktest/CameraStressTestRunner.java b/media/tests/MediaFrameworkTest/src/com/android/mediaframeworktest/CameraStressTestRunner.java
new file mode 100644
index 0000000..fa59fa4
--- /dev/null
+++ b/media/tests/MediaFrameworkTest/src/com/android/mediaframeworktest/CameraStressTestRunner.java
@@ -0,0 +1,38 @@
+/*
+ * Copyright (C) 2012 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.mediaframeworktest;
+
+import android.test.InstrumentationTestRunner;
+import android.test.InstrumentationTestSuite;
+import com.android.mediaframeworktest.stress.CameraStressTest;
+
+import junit.framework.TestSuite;
+
+public class CameraStressTestRunner extends InstrumentationTestRunner {
+
+    @Override
+    public TestSuite getAllTests() {
+        TestSuite suite = new InstrumentationTestSuite(this);
+        suite.addTestSuite(CameraStressTest.class);
+        return suite;
+    }
+
+    @Override
+    public ClassLoader getLoader() {
+        return CameraStressTestRunner.class.getClassLoader();
+    }
+}
diff --git a/media/tests/MediaFrameworkTest/src/com/android/mediaframeworktest/stress/CameraStressTest.java b/media/tests/MediaFrameworkTest/src/com/android/mediaframeworktest/stress/CameraStressTest.java
new file mode 100644
index 0000000..9a3eb25
--- /dev/null
+++ b/media/tests/MediaFrameworkTest/src/com/android/mediaframeworktest/stress/CameraStressTest.java
@@ -0,0 +1,280 @@
+/*
+ * Copyright (C) 2012 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.mediaframeworktest.stress;
+
+import com.android.mediaframeworktest.MediaFrameworkTest;
+
+import java.io.BufferedWriter;
+import java.io.File;
+import java.io.FilenameFilter;
+import java.io.FileWriter;
+import java.io.FileNotFoundException;
+import java.io.FileOutputStream;
+import java.io.IOException;
+import java.io.Writer;
+import java.util.concurrent.Semaphore;
+import java.util.concurrent.TimeUnit;
+
+import android.hardware.Camera;
+import android.hardware.Camera.PictureCallback;
+import android.hardware.Camera.ShutterCallback;
+import android.os.Environment;
+import android.os.Handler;
+import android.os.Looper;
+import android.test.ActivityInstrumentationTestCase2;
+import android.test.suitebuilder.annotation.LargeTest;
+import android.util.Log;
+import android.view.SurfaceHolder;
+import com.android.mediaframeworktest.CameraStressTestRunner;
+
+import junit.framework.Assert;
+
+/**
+ * Junit / Instrumentation test case for the camera zoom api
+ *
+ * adb shell am instrument
+ *  -e class com.android.mediaframeworktest.stress.CameraStressTest
+ *  -w com.android.mediaframeworktest/.CameraStressTestRunner
+ */
+public class CameraStressTest extends ActivityInstrumentationTestCase2<MediaFrameworkTest> {
+    private String TAG = "CameraStressTest";
+    private Camera mCamera;
+
+    private static final int NUMBER_OF_ZOOM_LOOPS = 100;
+    private static final long WAIT_GENERIC = 3 * 1000; // 3 seconds
+    private static final long WAIT_TIMEOUT = 10 * 1000; // 10 seconds
+    private static final long WAIT_ZOOM_ANIMATION = 5 * 1000; // 5 seconds
+    private static final String CAMERA_STRESS_OUTPUT =
+            "/sdcard/cameraStressOutput.txt";
+    private final CameraErrorCallback mCameraErrorCallback = new CameraErrorCallback();
+
+    private Thread mLooperThread;
+    private Handler mHandler;
+
+    public CameraStressTest() {
+        super("com.android.mediaframeworktest", MediaFrameworkTest.class);
+    }
+
+    protected void setUp() throws Exception {
+        final Semaphore sem = new Semaphore(0);
+        mLooperThread = new Thread() {
+            @Override
+            public void run() {
+                Log.v(TAG, "starting looper");
+                Looper.prepare();
+                mHandler = new Handler();
+                sem.release();
+                Looper.loop();
+                Log.v(TAG, "quit looper");
+            }
+        };
+        mLooperThread.start();
+        if (!sem.tryAcquire(WAIT_TIMEOUT, TimeUnit.MILLISECONDS)) {
+            fail("Failed to start the looper.");
+        }
+        getActivity();
+        super.setUp();
+    }
+
+    @Override
+    protected void tearDown() throws Exception {
+        if (mHandler != null) {
+            mHandler.getLooper().quit();
+            mHandler = null;
+        }
+        if (mLooperThread != null) {
+            mLooperThread.join(WAIT_TIMEOUT);
+            if (mLooperThread.isAlive()) {
+                fail("Failed to stop the looper.");
+            }
+            mLooperThread = null;
+        }
+
+        super.tearDown();
+    }
+
+    private void runOnLooper(final Runnable command) throws InterruptedException {
+        final Semaphore sem = new Semaphore(0);
+        mHandler.post(new Runnable() {
+            @Override
+            public void run() {
+                try {
+                    command.run();
+                } finally {
+                    sem.release();
+                }
+            }
+        });
+        if (!sem.tryAcquire(WAIT_TIMEOUT, TimeUnit.MILLISECONDS)) {
+            fail("Failed to run the command on the looper.");
+        }
+    }
+
+    private final class CameraErrorCallback implements android.hardware.Camera.ErrorCallback {
+        public void onError(int error, android.hardware.Camera camera) {
+            if (error == android.hardware.Camera.CAMERA_ERROR_SERVER_DIED) {
+                assertTrue("Camera test mediaserver died", false);
+            }
+        }
+    }
+
+    private ShutterCallback shutterCallback = new ShutterCallback() {
+        @Override
+        public void onShutter() {
+            Log.v(TAG, "Shutter");
+        }
+    };
+
+    private PictureCallback rawCallback = new PictureCallback() {
+        @Override
+        public void onPictureTaken(byte[] data, Camera camera) {
+            Log.v(TAG, "Raw picture taken");
+        }
+    };
+
+    private PictureCallback jpegCallback = new PictureCallback() {
+        @Override
+        public void onPictureTaken(byte[] data, Camera camera) {
+            FileOutputStream fos = null;
+
+            try {
+                Log.v(TAG, "JPEG picture taken");
+                fos = new FileOutputStream(String.format("%s/zoom-test-%d.jpg",
+                        Environment.getExternalStorageDirectory(), System.currentTimeMillis()));
+                fos.write(data);
+            }
+            catch (FileNotFoundException e) {
+                Log.v(TAG, "File not found: " + e.toString());
+            }
+            catch (IOException e) {
+                Log.v(TAG, "Error accessing file: " + e.toString());
+            }
+            finally {
+                try {
+                    if (fos != null) {
+                        fos.close();
+                    }
+                }
+                catch (IOException e) {
+                    Log.v(TAG, "Error closing file: " + e.toString();
+                }
+            }
+        }
+    };
+
+    // Helper method for cleaning up pics taken during testStressCameraZoom
+    private void cleanupZoomImages() {
+        try {
+            File sdcard = Environment.getExternalStorageDirectory();
+            File[] zoomImages = null;
+
+            FilenameFilter filter = new FilenameFilter() {
+                public boolean accept(File dir, String name) {
+                    return name.startsWith("zoom-test-");
+                }
+            };
+
+            zoomImages = sdcard.listFiles(filter);
+
+            for (File f : zoomImages) {
+                f.delete();
+            }
+        }
+        catch (SecurityException e) {
+            Log.v(TAG, "Security manager access violation: " + e.toString());
+        }
+    }
+
+    // Test case for stressing the camera zoom in/out feature
+    @LargeTest
+    public void testStressCameraZoom() throws Exception {
+        SurfaceHolder mSurfaceHolder;
+        mSurfaceHolder = MediaFrameworkTest.mSurfaceView.getHolder();
+        File stressOutFile = new File(CAMERA_STRESS_OUTPUT);
+        Writer output = new BufferedWriter(new FileWriter(stressOutFile, true));
+        output.write("Camera zoom stress:\n");
+        output.write("Total number of loops: " +  NUMBER_OF_ZOOM_LOOPS + "\n");
+
+        try {
+            Log.v(TAG, "Start preview");
+            output.write("No of loop: ");
+
+            mCamera = Camera.open();
+            Camera.Parameters params = mCamera.getParameters();
+            mCamera.release();
+
+            if (!params.isSmoothZoomSupported() && !params.isZoomSupported()) {
+                Log.v(TAG, "Device camera does not support zoom");
+                assertTrue("Camera zoom stress test", false);
+            }
+            else {
+                Log.v(TAG, "Device camera does support zoom");
+
+                int nextZoomLevel = 0;
+
+                for (int i = 0; i < NUMBER_OF_ZOOM_LOOPS; i++) {
+                    runOnLooper(new Runnable() {
+                        @Override
+                        public void run() {
+                            mCamera = Camera.open();
+                        }
+                    });
+
+                    mCamera.setErrorCallback(mCameraErrorCallback);
+                    mCamera.setPreviewDisplay(mSurfaceHolder);
+                    mCamera.startPreview();
+                    Thread.sleep(WAIT_GENERIC);
+
+                    params = mCamera.getParameters();
+                    int currentZoomLevel = params.getZoom();
+
+                    if (nextZoomLevel >= params.getMaxZoom()) {
+                        nextZoomLevel = 0;
+                    }
+                    ++nextZoomLevel;
+
+                    if (params.isSmoothZoomSupported()) {
+                        mCamera.startSmoothZoom(nextZoomLevel);
+                    }
+                    else {
+                        params.setZoom(nextZoomLevel);
+                        mCamera.setParameters(params);
+                    }
+                    Log.v(TAG, "Zooming from " + currentZoomLevel + " to " + nextZoomLevel);
+
+                    // sleep allows for zoom animation to finish
+                    Thread.sleep(WAIT_ZOOM_ANIMATION);
+
+                    // take picture
+                    mCamera.takePicture(shutterCallback, rawCallback, jpegCallback);
+                    Thread.sleep(WAIT_GENERIC);
+                    mCamera.stopPreview();
+                    mCamera.release();
+                    output.write(" ," + i);
+                }
+            }
+
+            cleanupZoomImages();
+        }
+        catch (Exception e) {
+            assertTrue("Camera zoom stress test Exception", false);
+            Log.v(TAG, e.toString());
+        }
+        output.write("\n\n");
+        output.close();
+    }
+}