/*
* Copyright (C) 2013 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.functional.camera;
import com.android.mediaframeworktest.MediaFrameworkTest;
import com.android.mediaframeworktest.CameraTestHelper;
import java.io.BufferedWriter;
import java.io.File;
import java.io.FileWriter;
import java.io.IOException;
import java.io.Writer;
import java.util.concurrent.Semaphore;
import java.util.concurrent.TimeUnit;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import android.hardware.Camera;
import android.hardware.Camera.Parameters;
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.FloatMath;
import android.util.Log;
import android.view.SurfaceHolder;
import com.android.mediaframeworktest.CameraStressTestRunner;
import junit.framework.Assert;
/**
* Junit / Instrumentation test case for the following camera APIs:
* - flash
* - exposure compensation
* - white balance
* - focus mode
*
* adb shell am instrument
* -e class com.android.mediaframeworktest.functional.camera.CameraFunctionalTest
* -w com.android.mediaframework/.CameraStressTestRunner
*/
public class CameraFunctionalTest extends ActivityInstrumentationTestCase2<MediaFrameworkTest> {
private static final long WAIT_TIMEOUT = 10 * 1000; // 10 seconds
private CameraTestHelper mCameraTestHelper;
private Handler mHandler;
private Thread mLooperThread;
private Writer mOutput;
private String TAG = "CameraFunctionalTest";
public CameraFunctionalTest() {
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();
mCameraTestHelper = new CameraTestHelper();
}
@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.");
}
}
/**
* Functional test iterating on the range of supported exposure compensation levels
*/
@LargeTest
public void testFunctionalCameraExposureCompensation() throws Exception {
try {
SurfaceHolder surfaceHolder = MediaFrameworkTest.mSurfaceView.getHolder();
Parameters params = mCameraTestHelper.getCameraParameters();
int min = params.getMinExposureCompensation();
int max = params.getMaxExposureCompensation();
assertFalse("Adjusting exposure not supported", (max == 0 && min == 0));
float step = params.getExposureCompensationStep();
int stepsPerEV = (int) Math.round(Math.pow((double) step, -1));
// only get integer values for exposure compensation
for (int i = min; i <= max; i += stepsPerEV) {
runOnLooper(new Runnable() {
@Override
public void run() {
mCameraTestHelper.setupCameraTest();
}
});
Log.v(TAG, "Setting exposure compensation index to " + i);
params.setExposureCompensation(i);
mCameraTestHelper.setParameters(params);
mCameraTestHelper.startCameraPreview(surfaceHolder);
mCameraTestHelper.capturePhoto();
}
mCameraTestHelper.cleanupTestImages();
} catch (Exception e) {
Log.e(TAG, e.toString());
fail("Camera exposure compensation test Exception");
}
}
/**
* Functional test iterating on the various flash modes (on, off, auto, torch)
*/
@LargeTest
public void testFunctionalCameraFlashModes() throws Exception {
try {
SurfaceHolder surfaceHolder = MediaFrameworkTest.mSurfaceView.getHolder();
Parameters params = mCameraTestHelper.getCameraParameters();
List<String> supportedFlashModes = params.getSupportedFlashModes();
assertNotNull("No flash modes supported", supportedFlashModes);
for (int i = 0; i < supportedFlashModes.size(); i++) {
runOnLooper(new Runnable() {
@Override
public void run() {
mCameraTestHelper.setupCameraTest();
}
});
Log.v(TAG, "Setting flash mode to " + supportedFlashModes.get(i));
params.setFlashMode(supportedFlashModes.get(i));
mCameraTestHelper.setParameters(params);
mCameraTestHelper.startCameraPreview(surfaceHolder);
mCameraTestHelper.capturePhoto();
}
mCameraTestHelper.cleanupTestImages();
} catch (Exception e) {
Log.e(TAG, e.toString());
fail("Camera flash mode test Exception");
}
}
/**
* Functional test iterating on the various focus modes (auto, infinitiy, macro, etc.)
*/
@LargeTest
public void testFunctionalCameraFocusModes() throws Exception {
try {
SurfaceHolder surfaceHolder = MediaFrameworkTest.mSurfaceView.getHolder();
Parameters params = mCameraTestHelper.getCameraParameters();
List<String> supportedFocusModes = params.getSupportedFocusModes();
assertNotNull("No focus modes supported", supportedFocusModes);
for (int i = 0; i < supportedFocusModes.size(); i++) {
runOnLooper(new Runnable() {
@Override
public void run() {
mCameraTestHelper.setupCameraTest();
}
});
Log.v(TAG, "Setting focus mode to: " + supportedFocusModes.get(i));
params.setFocusMode(supportedFocusModes.get(i));
mCameraTestHelper.setParameters(params);
mCameraTestHelper.startCameraPreview(surfaceHolder);
mCameraTestHelper.capturePhoto();
}
mCameraTestHelper.cleanupTestImages();
} catch (Exception e) {
Log.e(TAG, e.toString());
fail("Camera focus modes test Exception");
}
}
/**
* Functional test iterating on the various white balances (auto, daylight, cloudy, etc.)
*/
@LargeTest
public void testFunctionalCameraWhiteBalance() throws Exception {
try {
SurfaceHolder surfaceHolder = MediaFrameworkTest.mSurfaceView.getHolder();
Parameters params = mCameraTestHelper.getCameraParameters();
List<String> supportedWhiteBalance = params.getSupportedWhiteBalance();
assertNotNull("No white balance modes supported", supportedWhiteBalance);
for (int i = 0; i < supportedWhiteBalance.size(); i++) {
runOnLooper(new Runnable() {
@Override
public void run() {
mCameraTestHelper.setupCameraTest();
}
});
Log.v(TAG, "Setting white balance to: " + supportedWhiteBalance.get(i));
params.setWhiteBalance(supportedWhiteBalance.get(i));
mCameraTestHelper.setParameters(params);
mCameraTestHelper.startCameraPreview(surfaceHolder);
mCameraTestHelper.capturePhoto();
}
mCameraTestHelper.cleanupTestImages();
} catch (Exception e) {
Log.e(TAG, e.toString());
fail("Camera focus modes test Exception");
}
}
}
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