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/*
* Copyright (C) 2014 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.ex.camera2.portability;
import static android.hardware.camera2.CaptureRequest.*;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.fail;
import android.content.Context;
import android.graphics.Rect;
import android.hardware.camera2.CameraAccessException;
import android.hardware.camera2.CameraCharacteristics;
import android.hardware.camera2.CameraDevice;
import android.hardware.camera2.CameraManager;
import android.hardware.camera2.CaptureRequest;
import android.support.test.InjectContext;
import com.android.ex.camera2.portability.CameraCapabilities.FlashMode;
import com.android.ex.camera2.portability.CameraCapabilities.FocusMode;
import com.android.ex.camera2.portability.CameraCapabilities.SceneMode;
import com.android.ex.camera2.portability.CameraCapabilities.Stringifier;
import com.android.ex.camera2.portability.CameraCapabilities.WhiteBalance;
import com.android.ex.camera2.utils.Camera2DeviceTester;
import org.junit.Test;
import java.lang.reflect.Method;
import java.lang.reflect.ParameterizedType;
public class Camera2PortabilityTest extends Camera2DeviceTester {
/**
* Ensure that applying {@code Stringifier#.*FromString()} reverses
* {@link Stringifier#stringify} for {@link FocusMode}, {@link FlashMode},
* {@link SceneMode}, and {@link WhiteBalance}.
*/
@Test
public void cameraCapabilitiesStringifier() {
Stringifier strfy = new Stringifier();
for(FocusMode val : FocusMode.values()) {
assertEquals(val, strfy.focusModeFromString(strfy.stringify(val)));
}
for(FlashMode val : FlashMode.values()) {
assertEquals(val, strfy.flashModeFromString(strfy.stringify(val)));
}
for(SceneMode val : SceneMode.values()) {
assertEquals(val, strfy.sceneModeFromString(strfy.stringify(val)));
}
for(WhiteBalance val : WhiteBalance.values()) {
assertEquals(val, strfy.whiteBalanceFromString(strfy.stringify(val)));
}
}
/**
* Ensure that {@code Stringifier#.*FromString()} default to the correct
* {@link FocusMode}, {@link FlashMode}, {@link SceneMode}, and
* {@link WhiteBalance} when given a {@code null}.
*/
@Test
public void cameraCapabilitiesStringifierNull() {
Stringifier strfy = new Stringifier();
assertEquals(strfy.focusModeFromString(null), FocusMode.AUTO);
assertEquals(strfy.flashModeFromString(null), FlashMode.NO_FLASH);
assertEquals(strfy.sceneModeFromString(null), SceneMode.NO_SCENE_MODE);
assertEquals(strfy.whiteBalanceFromString(null), WhiteBalance.AUTO);
}
/**
* Ensure that {@code Stringifier#.*FromString()} default to the correct
* {@link FocusMode}, {@link FlashMode}, {@link SceneMode}, and
* {@link WhiteBalance} when given an unrecognized string.
*/
@Test
public void cameraCapabilitiesStringifierInvalid() {
Stringifier strfy = new Stringifier();
assertEquals(strfy.focusModeFromString("crap"), FocusMode.AUTO);
assertEquals(strfy.flashModeFromString("crap"), FlashMode.NO_FLASH);
assertEquals(strfy.sceneModeFromString("crap"), SceneMode.NO_SCENE_MODE);
assertEquals(strfy.whiteBalanceFromString("crap"), WhiteBalance.AUTO);
}
private CameraCharacteristics buildFrameworkCharacteristics() throws CameraAccessException {
CameraManager manager = (CameraManager) mContext.getSystemService(Context.CAMERA_SERVICE);
String id = manager.getCameraIdList()[0];
return manager.getCameraCharacteristics(id);
}
private void camera2SettingsCheckSingleOption(AndroidCamera2Settings setts,
Key<?> apiKey, int apiVal) {
assertEquals(apiVal, setts.getRequestSettings().get(apiKey));
}
/**
* Ensure that {@link AndroidCamera2Settings} correctly translates its
* {@code FocusMode}, {@code SceneMode}, and {@code WhiteBalance} to the
* corresponding framework API 2 representations.
*/
@Test
public void camera2SettingsSetOptionsAndGetRequestSettings() throws CameraAccessException {
// We're only testing the focus modes, scene modes and white balances,
// and won't use the activeArray, previewSize, or photoSize. The
// constructor requires the former, so pass a degenerate rectangle.
AndroidCamera2Settings set = new AndroidCamera2Settings(
mCamera, CameraDevice.TEMPLATE_PREVIEW, /*activeArray*/new Rect(),
/*previewSize*/null, /*photoSize*/null);
// Focus modes
set.setFocusMode(FocusMode.AUTO);
camera2SettingsCheckSingleOption(set, CONTROL_AF_MODE, CONTROL_AF_MODE_AUTO);
set.setFocusMode(FocusMode.CONTINUOUS_PICTURE);
camera2SettingsCheckSingleOption(set, CONTROL_AF_MODE, CONTROL_AF_MODE_CONTINUOUS_PICTURE);
set.setFocusMode(FocusMode.CONTINUOUS_VIDEO);
camera2SettingsCheckSingleOption(set, CONTROL_AF_MODE, CONTROL_AF_MODE_CONTINUOUS_VIDEO);
set.setFocusMode(FocusMode.EXTENDED_DOF);
camera2SettingsCheckSingleOption(set, CONTROL_AF_MODE, CONTROL_AF_MODE_EDOF);
set.setFocusMode(FocusMode.FIXED);
camera2SettingsCheckSingleOption(set, CONTROL_AF_MODE, CONTROL_AF_MODE_OFF);
set.setFocusMode(FocusMode.MACRO);
camera2SettingsCheckSingleOption(set, CONTROL_AF_MODE, CONTROL_AF_MODE_MACRO);
// Scene modes
set.setSceneMode(SceneMode.AUTO);
camera2SettingsCheckSingleOption(set, CONTROL_SCENE_MODE, CONTROL_SCENE_MODE_DISABLED);
set.setSceneMode(SceneMode.ACTION);
camera2SettingsCheckSingleOption(set, CONTROL_SCENE_MODE, CONTROL_SCENE_MODE_ACTION);
set.setSceneMode(SceneMode.BARCODE);
camera2SettingsCheckSingleOption(set, CONTROL_SCENE_MODE, CONTROL_SCENE_MODE_BARCODE);
set.setSceneMode(SceneMode.BEACH);
camera2SettingsCheckSingleOption(set, CONTROL_SCENE_MODE, CONTROL_SCENE_MODE_BEACH);
set.setSceneMode(SceneMode.CANDLELIGHT);
camera2SettingsCheckSingleOption(set, CONTROL_SCENE_MODE, CONTROL_SCENE_MODE_CANDLELIGHT);
set.setSceneMode(SceneMode.FIREWORKS);
camera2SettingsCheckSingleOption(set, CONTROL_SCENE_MODE, CONTROL_SCENE_MODE_FIREWORKS);
set.setSceneMode(SceneMode.LANDSCAPE);
camera2SettingsCheckSingleOption(set, CONTROL_SCENE_MODE, CONTROL_SCENE_MODE_LANDSCAPE);
set.setSceneMode(SceneMode.NIGHT);
camera2SettingsCheckSingleOption(set, CONTROL_SCENE_MODE, CONTROL_SCENE_MODE_NIGHT);
set.setSceneMode(SceneMode.PARTY);
camera2SettingsCheckSingleOption(set, CONTROL_SCENE_MODE, CONTROL_SCENE_MODE_PARTY);
set.setSceneMode(SceneMode.PORTRAIT);
camera2SettingsCheckSingleOption(set, CONTROL_SCENE_MODE, CONTROL_SCENE_MODE_PORTRAIT);
set.setSceneMode(SceneMode.SNOW);
camera2SettingsCheckSingleOption(set, CONTROL_SCENE_MODE, CONTROL_SCENE_MODE_SNOW);
set.setSceneMode(SceneMode.SPORTS);
camera2SettingsCheckSingleOption(set, CONTROL_SCENE_MODE, CONTROL_SCENE_MODE_SPORTS);
set.setSceneMode(SceneMode.STEADYPHOTO);
camera2SettingsCheckSingleOption(set, CONTROL_SCENE_MODE, CONTROL_SCENE_MODE_STEADYPHOTO);
set.setSceneMode(SceneMode.SUNSET);
camera2SettingsCheckSingleOption(set, CONTROL_SCENE_MODE, CONTROL_SCENE_MODE_SUNSET);
set.setSceneMode(SceneMode.THEATRE);
camera2SettingsCheckSingleOption(set, CONTROL_SCENE_MODE, CONTROL_SCENE_MODE_THEATRE);
// White balances
set.setWhiteBalance(WhiteBalance.AUTO);
camera2SettingsCheckSingleOption(set, CONTROL_AWB_MODE, CONTROL_AWB_MODE_AUTO);
set.setWhiteBalance(WhiteBalance.CLOUDY_DAYLIGHT);
camera2SettingsCheckSingleOption(set, CONTROL_AWB_MODE, CONTROL_AWB_MODE_CLOUDY_DAYLIGHT);
set.setWhiteBalance(WhiteBalance.DAYLIGHT);
camera2SettingsCheckSingleOption(set, CONTROL_AWB_MODE, CONTROL_AWB_MODE_DAYLIGHT);
set.setWhiteBalance(WhiteBalance.FLUORESCENT);
camera2SettingsCheckSingleOption(set, CONTROL_AWB_MODE, CONTROL_AWB_MODE_FLUORESCENT);
set.setWhiteBalance(WhiteBalance.INCANDESCENT);
camera2SettingsCheckSingleOption(set, CONTROL_AWB_MODE, CONTROL_AWB_MODE_INCANDESCENT);
set.setWhiteBalance(WhiteBalance.SHADE);
camera2SettingsCheckSingleOption(set, CONTROL_AWB_MODE, CONTROL_AWB_MODE_SHADE);
set.setWhiteBalance(WhiteBalance.TWILIGHT);
camera2SettingsCheckSingleOption(set, CONTROL_AWB_MODE, CONTROL_AWB_MODE_TWILIGHT);
set.setWhiteBalance(WhiteBalance.WARM_FLUORESCENT);
camera2SettingsCheckSingleOption(set, CONTROL_AWB_MODE, CONTROL_AWB_MODE_WARM_FLUORESCENT);
}
// TODO: Add a test checking whether stringification matches API 1 representation
/**
* Ensure that {@code AndroidCamera2Capabilities#.*FromInt} correctly
* translates from framework API 2 representations to the equivalent
* {@code FocusMode}s, {@code SceneMode}s, and {@code WhiteBalance}s.
*/
@Test
public void camera2CapabilitiesFocusModeFromInt() throws CameraAccessException {
CameraCharacteristics chars = buildFrameworkCharacteristics();
AndroidCamera2Capabilities intstr = new AndroidCamera2Capabilities(chars);
// Focus modes
assertEquals(intstr.focusModeFromInt(CONTROL_AF_MODE_AUTO), FocusMode.AUTO);
assertEquals(intstr.focusModeFromInt(CONTROL_AF_MODE_CONTINUOUS_PICTURE),
FocusMode.CONTINUOUS_PICTURE);
assertEquals(intstr.focusModeFromInt(CONTROL_AF_MODE_CONTINUOUS_VIDEO),
FocusMode.CONTINUOUS_VIDEO);
assertEquals(intstr.focusModeFromInt(CONTROL_AF_MODE_EDOF), FocusMode.EXTENDED_DOF);
assertEquals(intstr.focusModeFromInt(CONTROL_AF_MODE_OFF), FocusMode.FIXED);
assertEquals(intstr.focusModeFromInt(CONTROL_AF_MODE_MACRO), FocusMode.MACRO);
// Scene modes
assertEquals(intstr.sceneModeFromInt(CONTROL_SCENE_MODE_DISABLED), SceneMode.AUTO);
assertEquals(intstr.sceneModeFromInt(CONTROL_SCENE_MODE_ACTION), SceneMode.ACTION);
assertEquals(intstr.sceneModeFromInt(CONTROL_SCENE_MODE_BARCODE), SceneMode.BARCODE);
assertEquals(intstr.sceneModeFromInt(CONTROL_SCENE_MODE_BEACH), SceneMode.BEACH);
assertEquals(intstr.sceneModeFromInt(CONTROL_SCENE_MODE_CANDLELIGHT), SceneMode.CANDLELIGHT);
assertEquals(intstr.sceneModeFromInt(CONTROL_SCENE_MODE_FIREWORKS), SceneMode.FIREWORKS);
assertEquals(intstr.sceneModeFromInt(CONTROL_SCENE_MODE_LANDSCAPE), SceneMode.LANDSCAPE);
assertEquals(intstr.sceneModeFromInt(CONTROL_SCENE_MODE_NIGHT), SceneMode.NIGHT);
assertEquals(intstr.sceneModeFromInt(CONTROL_SCENE_MODE_PARTY), SceneMode.PARTY);
assertEquals(intstr.sceneModeFromInt(CONTROL_SCENE_MODE_PORTRAIT), SceneMode.PORTRAIT);
assertEquals(intstr.sceneModeFromInt(CONTROL_SCENE_MODE_SNOW), SceneMode.SNOW);
assertEquals(intstr.sceneModeFromInt(CONTROL_SCENE_MODE_SPORTS), SceneMode.SPORTS);
assertEquals(intstr.sceneModeFromInt(CONTROL_SCENE_MODE_STEADYPHOTO),
SceneMode.STEADYPHOTO);
assertEquals(intstr.sceneModeFromInt(CONTROL_SCENE_MODE_SUNSET), SceneMode.SUNSET);
assertEquals(intstr.sceneModeFromInt(CONTROL_SCENE_MODE_THEATRE), SceneMode.THEATRE);
// White balances
assertEquals(intstr.whiteBalanceFromInt(CONTROL_AWB_MODE_AUTO), WhiteBalance.AUTO);
assertEquals(intstr.whiteBalanceFromInt(CONTROL_AWB_MODE_CLOUDY_DAYLIGHT),
WhiteBalance.CLOUDY_DAYLIGHT);
assertEquals(intstr.whiteBalanceFromInt(CONTROL_AWB_MODE_DAYLIGHT), WhiteBalance.DAYLIGHT);
assertEquals(intstr.whiteBalanceFromInt(CONTROL_AWB_MODE_FLUORESCENT),
WhiteBalance.FLUORESCENT);
assertEquals(intstr.whiteBalanceFromInt(CONTROL_AWB_MODE_INCANDESCENT),
WhiteBalance.INCANDESCENT);
assertEquals(intstr.whiteBalanceFromInt(CONTROL_AWB_MODE_SHADE), WhiteBalance.SHADE);
assertEquals(intstr.whiteBalanceFromInt(CONTROL_AWB_MODE_TWILIGHT), WhiteBalance.TWILIGHT);
assertEquals(intstr.whiteBalanceFromInt(CONTROL_AWB_MODE_WARM_FLUORESCENT),
WhiteBalance.WARM_FLUORESCENT);
}
}
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