/* * 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 android.hardware.Camera; import com.android.ex.camera2.portability.debug.Log; import java.util.Collections; import java.util.Comparator; import java.util.List; /** * The subclass of {@link CameraCapabilities} for Android Camera 1 API. */ class AndroidCameraCapabilities extends CameraCapabilities { private static Log.Tag TAG = new Log.Tag("AndCamCapabs"); /** Conversion from ratios to percentages. */ public static final float ZOOM_MULTIPLIER = 100f; private FpsComparator mFpsComparator = new FpsComparator(); private SizeComparator mSizeComparator = new SizeComparator(); AndroidCameraCapabilities(Camera.Parameters p) { super(new Stringifier()); mMaxExposureCompensation = p.getMaxExposureCompensation(); mMinExposureCompensation = p.getMinExposureCompensation(); mExposureCompensationStep = p.getExposureCompensationStep(); mMaxNumOfFacesSupported = p.getMaxNumDetectedFaces(); mMaxNumOfMeteringArea = p.getMaxNumMeteringAreas(); mPreferredPreviewSizeForVideo = new Size(p.getPreferredPreviewSizeForVideo()); mSupportedPreviewFormats.addAll(p.getSupportedPreviewFormats()); mSupportedPhotoFormats.addAll(p.getSupportedPictureFormats()); mHorizontalViewAngle = p.getHorizontalViewAngle(); mVerticalViewAngle = p.getVerticalViewAngle(); buildPreviewFpsRange(p); buildPreviewSizes(p); buildVideoSizes(p); buildPictureSizes(p); buildSceneModes(p); buildFlashModes(p); buildFocusModes(p); buildWhiteBalances(p); if (p.isZoomSupported()) { mMaxZoomRatio = p.getZoomRatios().get(p.getMaxZoom()) / ZOOM_MULTIPLIER; mSupportedFeatures.add(Feature.ZOOM); } if (p.isVideoSnapshotSupported()) { mSupportedFeatures.add(Feature.VIDEO_SNAPSHOT); } if (p.isAutoExposureLockSupported()) { mSupportedFeatures.add(Feature.AUTO_EXPOSURE_LOCK); } if (p.isAutoWhiteBalanceLockSupported()) { mSupportedFeatures.add(Feature.AUTO_WHITE_BALANCE_LOCK); } if (supports(FocusMode.AUTO)) { mMaxNumOfFocusAreas = p.getMaxNumFocusAreas(); if (mMaxNumOfFocusAreas > 0) { mSupportedFeatures.add(Feature.FOCUS_AREA); } } if (mMaxNumOfMeteringArea > 0) { mSupportedFeatures.add(Feature.METERING_AREA); } } AndroidCameraCapabilities(AndroidCameraCapabilities src) { super(src); } private void buildPreviewFpsRange(Camera.Parameters p) { List supportedPreviewFpsRange = p.getSupportedPreviewFpsRange(); if (supportedPreviewFpsRange != null) { mSupportedPreviewFpsRange.addAll(supportedPreviewFpsRange); } Collections.sort(mSupportedPreviewFpsRange, mFpsComparator); } private void buildPreviewSizes(Camera.Parameters p) { List supportedPreviewSizes = p.getSupportedPreviewSizes(); if (supportedPreviewSizes != null) { for (Camera.Size s : supportedPreviewSizes) { mSupportedPreviewSizes.add(new Size(s.width, s.height)); } } Collections.sort(mSupportedPreviewSizes, mSizeComparator); } private void buildVideoSizes(Camera.Parameters p) { List supportedVideoSizes = p.getSupportedVideoSizes(); if (supportedVideoSizes != null) { for (Camera.Size s : supportedVideoSizes) { mSupportedVideoSizes.add(new Size(s.width, s.height)); } } Collections.sort(mSupportedVideoSizes, mSizeComparator); } private void buildPictureSizes(Camera.Parameters p) { List supportedPictureSizes = p.getSupportedPictureSizes(); if (supportedPictureSizes != null) { for (Camera.Size s : supportedPictureSizes) { mSupportedPhotoSizes.add(new Size(s.width, s.height)); } } Collections.sort(mSupportedPhotoSizes, mSizeComparator); } private void buildSceneModes(Camera.Parameters p) { List supportedSceneModes = p.getSupportedSceneModes(); if (supportedSceneModes != null) { for (String scene : supportedSceneModes) { if (Camera.Parameters.SCENE_MODE_AUTO.equals(scene)) { mSupportedSceneModes.add(SceneMode.AUTO); } else if (Camera.Parameters.SCENE_MODE_ACTION.equals(scene)) { mSupportedSceneModes.add(SceneMode.ACTION); } else if (Camera.Parameters.SCENE_MODE_BARCODE.equals(scene)) { mSupportedSceneModes.add(SceneMode.BARCODE); } else if (Camera.Parameters.SCENE_MODE_BEACH.equals(scene)) { mSupportedSceneModes.add(SceneMode.BEACH); } else if (Camera.Parameters.SCENE_MODE_CANDLELIGHT.equals(scene)) { mSupportedSceneModes.add(SceneMode.CANDLELIGHT); } else if (Camera.Parameters.SCENE_MODE_FIREWORKS.equals(scene)) { mSupportedSceneModes.add(SceneMode.FIREWORKS); } else if (Camera.Parameters.SCENE_MODE_HDR.equals(scene)) { mSupportedSceneModes.add(SceneMode.HDR); } else if (Camera.Parameters.SCENE_MODE_LANDSCAPE.equals(scene)) { mSupportedSceneModes.add(SceneMode.LANDSCAPE); } else if (Camera.Parameters.SCENE_MODE_NIGHT.equals(scene)) { mSupportedSceneModes.add(SceneMode.NIGHT); } else if (Camera.Parameters.SCENE_MODE_NIGHT_PORTRAIT.equals(scene)) { mSupportedSceneModes.add(SceneMode.NIGHT_PORTRAIT); } else if (Camera.Parameters.SCENE_MODE_PARTY.equals(scene)) { mSupportedSceneModes.add(SceneMode.PARTY); } else if (Camera.Parameters.SCENE_MODE_PORTRAIT.equals(scene)) { mSupportedSceneModes.add(SceneMode.PORTRAIT); } else if (Camera.Parameters.SCENE_MODE_SNOW.equals(scene)) { mSupportedSceneModes.add(SceneMode.SNOW); } else if (Camera.Parameters.SCENE_MODE_SPORTS.equals(scene)) { mSupportedSceneModes.add(SceneMode.SPORTS); } else if (Camera.Parameters.SCENE_MODE_STEADYPHOTO.equals(scene)) { mSupportedSceneModes.add(SceneMode.STEADYPHOTO); } else if (Camera.Parameters.SCENE_MODE_SUNSET.equals(scene)) { mSupportedSceneModes.add(SceneMode.SUNSET); } else if (Camera.Parameters.SCENE_MODE_THEATRE.equals(scene)) { mSupportedSceneModes.add(SceneMode.THEATRE); } } } } private void buildFlashModes(Camera.Parameters p) { List supportedFlashModes = p.getSupportedFlashModes(); if (supportedFlashModes == null) { // Camera 1 will return NULL if no flash mode is supported. mSupportedFlashModes.add(FlashMode.NO_FLASH); } else { for (String flash : supportedFlashModes) { if (Camera.Parameters.FLASH_MODE_AUTO.equals(flash)) { mSupportedFlashModes.add(FlashMode.AUTO); } else if (Camera.Parameters.FLASH_MODE_OFF.equals(flash)) { mSupportedFlashModes.add(FlashMode.OFF); } else if (Camera.Parameters.FLASH_MODE_ON.equals(flash)) { mSupportedFlashModes.add(FlashMode.ON); } else if (Camera.Parameters.FLASH_MODE_RED_EYE.equals(flash)) { mSupportedFlashModes.add(FlashMode.RED_EYE); } else if (Camera.Parameters.FLASH_MODE_TORCH.equals(flash)) { mSupportedFlashModes.add(FlashMode.TORCH); } } } } private void buildFocusModes(Camera.Parameters p) { List supportedFocusModes = p.getSupportedFocusModes(); if (supportedFocusModes != null) { for (String focus : supportedFocusModes) { if (Camera.Parameters.FOCUS_MODE_AUTO.equals(focus)) { mSupportedFocusModes.add(FocusMode.AUTO); } else if (Camera.Parameters.FOCUS_MODE_CONTINUOUS_PICTURE.equals(focus)) { mSupportedFocusModes.add(FocusMode.CONTINUOUS_PICTURE); } else if (Camera.Parameters.FOCUS_MODE_CONTINUOUS_VIDEO.equals(focus)) { mSupportedFocusModes.add(FocusMode.CONTINUOUS_VIDEO); } else if (Camera.Parameters.FOCUS_MODE_EDOF.equals(focus)) { mSupportedFocusModes.add(FocusMode.EXTENDED_DOF); } else if (Camera.Parameters.FOCUS_MODE_FIXED.equals(focus)) { mSupportedFocusModes.add(FocusMode.FIXED); } else if (Camera.Parameters.FOCUS_MODE_INFINITY.equals(focus)) { mSupportedFocusModes.add(FocusMode.INFINITY); } else if (Camera.Parameters.FOCUS_MODE_MACRO.equals(focus)) { mSupportedFocusModes.add(FocusMode.MACRO); } } } } private void buildWhiteBalances(Camera.Parameters p) { List supportedWhiteBalances = p.getSupportedFocusModes(); if (supportedWhiteBalances != null) { for (String wb : supportedWhiteBalances) { if (Camera.Parameters.WHITE_BALANCE_AUTO.equals(wb)) { mSupportedWhiteBalances.add(WhiteBalance.AUTO); } else if (Camera.Parameters.WHITE_BALANCE_CLOUDY_DAYLIGHT.equals(wb)) { mSupportedWhiteBalances.add(WhiteBalance.CLOUDY_DAYLIGHT); } else if (Camera.Parameters.WHITE_BALANCE_DAYLIGHT.equals(wb)) { mSupportedWhiteBalances.add(WhiteBalance.DAYLIGHT); } else if (Camera.Parameters.WHITE_BALANCE_FLUORESCENT.equals(wb)) { mSupportedWhiteBalances.add(WhiteBalance.FLUORESCENT); } else if (Camera.Parameters.WHITE_BALANCE_INCANDESCENT.equals(wb)) { mSupportedWhiteBalances.add(WhiteBalance.INCANDESCENT); } else if (Camera.Parameters.WHITE_BALANCE_SHADE.equals(wb)) { mSupportedWhiteBalances.add(WhiteBalance.SHADE); } else if (Camera.Parameters.WHITE_BALANCE_TWILIGHT.equals(wb)) { mSupportedWhiteBalances.add(WhiteBalance.TWILIGHT); } else if (Camera.Parameters.WHITE_BALANCE_WARM_FLUORESCENT.equals(wb)) { mSupportedWhiteBalances.add(WhiteBalance.WARM_FLUORESCENT); } } } } private static class FpsComparator implements Comparator { @Override public int compare(int[] fps1, int[] fps2) { return (fps1[0] == fps2[0] ? fps1[1] - fps2[1] : fps1[0] - fps2[0]); } } private static class SizeComparator implements Comparator { @Override public int compare(Size size1, Size size2) { return (size1.width() == size2.width() ? size1.height() - size2.height() : size1.width() - size2.width()); } } }