1 /* 2 * Copyright (C) 2014 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.ex.camera2.portability; 18 19 import android.hardware.Camera; 20 21 import com.android.ex.camera2.portability.debug.Log; 22 23 import java.util.Collections; 24 import java.util.Comparator; 25 import java.util.List; 26 27 /** 28 * The subclass of {@link CameraCapabilities} for Android Camera 1 API. 29 */ 30 class AndroidCameraCapabilities extends CameraCapabilities { 31 32 private static Log.Tag TAG = new Log.Tag("AndCamCapabs"); 33 34 /** Conversion from ratios to percentages. */ 35 public static final float ZOOM_MULTIPLIER = 100f; 36 37 private FpsComparator mFpsComparator = new FpsComparator(); 38 private SizeComparator mSizeComparator = new SizeComparator(); 39 40 AndroidCameraCapabilities(Camera.Parameters p) { 41 super(new Stringifier()); 42 mMaxExposureCompensation = p.getMaxExposureCompensation(); 43 mMinExposureCompensation = p.getMinExposureCompensation(); 44 mExposureCompensationStep = p.getExposureCompensationStep(); 45 mMaxNumOfFacesSupported = p.getMaxNumDetectedFaces(); 46 mMaxNumOfMeteringArea = p.getMaxNumMeteringAreas(); 47 mPreferredPreviewSizeForVideo = new Size(p.getPreferredPreviewSizeForVideo()); 48 mSupportedPreviewFormats.addAll(p.getSupportedPreviewFormats()); 49 mSupportedPhotoFormats.addAll(p.getSupportedPictureFormats()); 50 mHorizontalViewAngle = p.getHorizontalViewAngle(); 51 mVerticalViewAngle = p.getVerticalViewAngle(); 52 buildPreviewFpsRange(p); 53 buildPreviewSizes(p); 54 buildVideoSizes(p); 55 buildPictureSizes(p); 56 buildSceneModes(p); 57 buildFlashModes(p); 58 buildFocusModes(p); 59 buildWhiteBalances(p); 60 61 if (p.isZoomSupported()) { 62 mMaxZoomRatio = p.getZoomRatios().get(p.getMaxZoom()) / ZOOM_MULTIPLIER; 63 mSupportedFeatures.add(Feature.ZOOM); 64 } 65 if (p.isVideoSnapshotSupported()) { 66 mSupportedFeatures.add(Feature.VIDEO_SNAPSHOT); 67 } 68 if (p.isAutoExposureLockSupported()) { 69 mSupportedFeatures.add(Feature.AUTO_EXPOSURE_LOCK); 70 } 71 if (p.isAutoWhiteBalanceLockSupported()) { 72 mSupportedFeatures.add(Feature.AUTO_WHITE_BALANCE_LOCK); 73 } 74 if (supports(FocusMode.AUTO)) { 75 mMaxNumOfFocusAreas = p.getMaxNumFocusAreas(); 76 if (mMaxNumOfFocusAreas > 0) { 77 mSupportedFeatures.add(Feature.FOCUS_AREA); 78 } 79 } 80 if (mMaxNumOfMeteringArea > 0) { 81 mSupportedFeatures.add(Feature.METERING_AREA); 82 } 83 } 84 85 AndroidCameraCapabilities(AndroidCameraCapabilities src) { 86 super(src); 87 } 88 89 private void buildPreviewFpsRange(Camera.Parameters p) { 90 List<int[]> supportedPreviewFpsRange = p.getSupportedPreviewFpsRange(); 91 if (supportedPreviewFpsRange != null) { 92 mSupportedPreviewFpsRange.addAll(supportedPreviewFpsRange); 93 } 94 Collections.sort(mSupportedPreviewFpsRange, mFpsComparator); 95 } 96 97 private void buildPreviewSizes(Camera.Parameters p) { 98 List<Camera.Size> supportedPreviewSizes = p.getSupportedPreviewSizes(); 99 if (supportedPreviewSizes != null) { 100 for (Camera.Size s : supportedPreviewSizes) { 101 mSupportedPreviewSizes.add(new Size(s.width, s.height)); 102 } 103 } 104 Collections.sort(mSupportedPreviewSizes, mSizeComparator); 105 } 106 107 private void buildVideoSizes(Camera.Parameters p) { 108 List<Camera.Size> supportedVideoSizes = p.getSupportedVideoSizes(); 109 if (supportedVideoSizes != null) { 110 for (Camera.Size s : supportedVideoSizes) { 111 mSupportedVideoSizes.add(new Size(s.width, s.height)); 112 } 113 } 114 Collections.sort(mSupportedVideoSizes, mSizeComparator); 115 } 116 117 private void buildPictureSizes(Camera.Parameters p) { 118 List<Camera.Size> supportedPictureSizes = p.getSupportedPictureSizes(); 119 if (supportedPictureSizes != null) { 120 for (Camera.Size s : supportedPictureSizes) { 121 mSupportedPhotoSizes.add(new Size(s.width, s.height)); 122 } 123 } 124 Collections.sort(mSupportedPhotoSizes, mSizeComparator); 125 126 } 127 128 private void buildSceneModes(Camera.Parameters p) { 129 List<String> supportedSceneModes = p.getSupportedSceneModes(); 130 if (supportedSceneModes != null) { 131 for (String scene : supportedSceneModes) { 132 if (Camera.Parameters.SCENE_MODE_AUTO.equals(scene)) { 133 mSupportedSceneModes.add(SceneMode.AUTO); 134 } else if (Camera.Parameters.SCENE_MODE_ACTION.equals(scene)) { 135 mSupportedSceneModes.add(SceneMode.ACTION); 136 } else if (Camera.Parameters.SCENE_MODE_BARCODE.equals(scene)) { 137 mSupportedSceneModes.add(SceneMode.BARCODE); 138 } else if (Camera.Parameters.SCENE_MODE_BEACH.equals(scene)) { 139 mSupportedSceneModes.add(SceneMode.BEACH); 140 } else if (Camera.Parameters.SCENE_MODE_CANDLELIGHT.equals(scene)) { 141 mSupportedSceneModes.add(SceneMode.CANDLELIGHT); 142 } else if (Camera.Parameters.SCENE_MODE_FIREWORKS.equals(scene)) { 143 mSupportedSceneModes.add(SceneMode.FIREWORKS); 144 } else if (Camera.Parameters.SCENE_MODE_HDR.equals(scene)) { 145 mSupportedSceneModes.add(SceneMode.HDR); 146 } else if (Camera.Parameters.SCENE_MODE_LANDSCAPE.equals(scene)) { 147 mSupportedSceneModes.add(SceneMode.LANDSCAPE); 148 } else if (Camera.Parameters.SCENE_MODE_NIGHT.equals(scene)) { 149 mSupportedSceneModes.add(SceneMode.NIGHT); 150 } else if (Camera.Parameters.SCENE_MODE_NIGHT_PORTRAIT.equals(scene)) { 151 mSupportedSceneModes.add(SceneMode.NIGHT_PORTRAIT); 152 } else if (Camera.Parameters.SCENE_MODE_PARTY.equals(scene)) { 153 mSupportedSceneModes.add(SceneMode.PARTY); 154 } else if (Camera.Parameters.SCENE_MODE_PORTRAIT.equals(scene)) { 155 mSupportedSceneModes.add(SceneMode.PORTRAIT); 156 } else if (Camera.Parameters.SCENE_MODE_SNOW.equals(scene)) { 157 mSupportedSceneModes.add(SceneMode.SNOW); 158 } else if (Camera.Parameters.SCENE_MODE_SPORTS.equals(scene)) { 159 mSupportedSceneModes.add(SceneMode.SPORTS); 160 } else if (Camera.Parameters.SCENE_MODE_STEADYPHOTO.equals(scene)) { 161 mSupportedSceneModes.add(SceneMode.STEADYPHOTO); 162 } else if (Camera.Parameters.SCENE_MODE_SUNSET.equals(scene)) { 163 mSupportedSceneModes.add(SceneMode.SUNSET); 164 } else if (Camera.Parameters.SCENE_MODE_THEATRE.equals(scene)) { 165 mSupportedSceneModes.add(SceneMode.THEATRE); 166 } 167 } 168 } 169 } 170 171 private void buildFlashModes(Camera.Parameters p) { 172 List<String> supportedFlashModes = p.getSupportedFlashModes(); 173 if (supportedFlashModes == null) { 174 // Camera 1 will return NULL if no flash mode is supported. 175 mSupportedFlashModes.add(FlashMode.NO_FLASH); 176 } else { 177 for (String flash : supportedFlashModes) { 178 if (Camera.Parameters.FLASH_MODE_AUTO.equals(flash)) { 179 mSupportedFlashModes.add(FlashMode.AUTO); 180 } else if (Camera.Parameters.FLASH_MODE_OFF.equals(flash)) { 181 mSupportedFlashModes.add(FlashMode.OFF); 182 } else if (Camera.Parameters.FLASH_MODE_ON.equals(flash)) { 183 mSupportedFlashModes.add(FlashMode.ON); 184 } else if (Camera.Parameters.FLASH_MODE_RED_EYE.equals(flash)) { 185 mSupportedFlashModes.add(FlashMode.RED_EYE); 186 } else if (Camera.Parameters.FLASH_MODE_TORCH.equals(flash)) { 187 mSupportedFlashModes.add(FlashMode.TORCH); 188 } 189 } 190 } 191 } 192 193 private void buildFocusModes(Camera.Parameters p) { 194 List<String> supportedFocusModes = p.getSupportedFocusModes(); 195 if (supportedFocusModes != null) { 196 for (String focus : supportedFocusModes) { 197 if (Camera.Parameters.FOCUS_MODE_AUTO.equals(focus)) { 198 mSupportedFocusModes.add(FocusMode.AUTO); 199 } else if (Camera.Parameters.FOCUS_MODE_CONTINUOUS_PICTURE.equals(focus)) { 200 mSupportedFocusModes.add(FocusMode.CONTINUOUS_PICTURE); 201 } else if (Camera.Parameters.FOCUS_MODE_CONTINUOUS_VIDEO.equals(focus)) { 202 mSupportedFocusModes.add(FocusMode.CONTINUOUS_VIDEO); 203 } else if (Camera.Parameters.FOCUS_MODE_EDOF.equals(focus)) { 204 mSupportedFocusModes.add(FocusMode.EXTENDED_DOF); 205 } else if (Camera.Parameters.FOCUS_MODE_FIXED.equals(focus)) { 206 mSupportedFocusModes.add(FocusMode.FIXED); 207 } else if (Camera.Parameters.FOCUS_MODE_INFINITY.equals(focus)) { 208 mSupportedFocusModes.add(FocusMode.INFINITY); 209 } else if (Camera.Parameters.FOCUS_MODE_MACRO.equals(focus)) { 210 mSupportedFocusModes.add(FocusMode.MACRO); 211 } 212 } 213 } 214 } 215 216 private void buildWhiteBalances(Camera.Parameters p) { 217 List<String> supportedWhiteBalances = p.getSupportedWhiteBalance(); 218 if (supportedWhiteBalances != null) { 219 for (String wb : supportedWhiteBalances) { 220 if (Camera.Parameters.WHITE_BALANCE_AUTO.equals(wb)) { 221 mSupportedWhiteBalances.add(WhiteBalance.AUTO); 222 } else if (Camera.Parameters.WHITE_BALANCE_CLOUDY_DAYLIGHT.equals(wb)) { 223 mSupportedWhiteBalances.add(WhiteBalance.CLOUDY_DAYLIGHT); 224 } else if (Camera.Parameters.WHITE_BALANCE_DAYLIGHT.equals(wb)) { 225 mSupportedWhiteBalances.add(WhiteBalance.DAYLIGHT); 226 } else if (Camera.Parameters.WHITE_BALANCE_FLUORESCENT.equals(wb)) { 227 mSupportedWhiteBalances.add(WhiteBalance.FLUORESCENT); 228 } else if (Camera.Parameters.WHITE_BALANCE_INCANDESCENT.equals(wb)) { 229 mSupportedWhiteBalances.add(WhiteBalance.INCANDESCENT); 230 } else if (Camera.Parameters.WHITE_BALANCE_SHADE.equals(wb)) { 231 mSupportedWhiteBalances.add(WhiteBalance.SHADE); 232 } else if (Camera.Parameters.WHITE_BALANCE_TWILIGHT.equals(wb)) { 233 mSupportedWhiteBalances.add(WhiteBalance.TWILIGHT); 234 } else if (Camera.Parameters.WHITE_BALANCE_WARM_FLUORESCENT.equals(wb)) { 235 mSupportedWhiteBalances.add(WhiteBalance.WARM_FLUORESCENT); 236 } 237 } 238 } 239 } 240 241 private static class FpsComparator implements Comparator<int[]> { 242 @Override 243 public int compare(int[] fps1, int[] fps2) { 244 return (fps1[0] == fps2[0] ? fps1[1] - fps2[1] : fps1[0] - fps2[0]); 245 } 246 } 247 248 private static class SizeComparator implements Comparator<Size> { 249 250 @Override 251 public int compare(Size size1, Size size2) { 252 return (size1.width() == size2.width() ? size1.height() - size2.height() : 253 size1.width() - size2.width()); 254 } 255 } 256 } 257
