/*
* Copyright (C) 2009 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.camera;
import android.app.Activity;
import android.content.Context;
import android.content.SharedPreferences;
import android.content.SharedPreferences.Editor;
import android.hardware.Camera.CameraInfo;
import android.hardware.Camera.Parameters;
import android.hardware.Camera.Size;
import android.media.CamcorderProfile;
import android.util.Log;
import com.android.camera.R;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
import java.util.Set;
import java.util.TreeSet;
/**
* Provides utilities and keys for Camera settings.
*/
public class CameraSettings {
private static final int NOT_FOUND = -1;
public static final String KEY_VERSION = "pref_version_key";
public static final String KEY_LOCAL_VERSION = "pref_local_version_key";
public static final String KEY_RECORD_LOCATION = RecordLocationPreference.KEY;
public static final String KEY_VIDEO_QUALITY = "pref_video_quality_key";
public static final String KEY_PICTURE_SIZE = "pref_camera_picturesize_key";
public static final String KEY_JPEG_QUALITY = "pref_camera_jpegquality_key";
public static final String KEY_FOCUS_MODE = "pref_camera_focusmode_key";
public static final String KEY_CAPTURE_MODE = "pref_camera_capturemode_key";
public static final String KEY_FLASH_MODE = "pref_camera_flashmode_key";
public static final String KEY_VIDEOCAMERA_FLASH_MODE = "pref_camera_video_flashmode_key";
public static final String KEY_COLOR_EFFECT = "pref_camera_coloreffect_key";
public static final String KEY_WHITE_BALANCE = "pref_camera_whitebalance_key";
public static final String KEY_SCENE_MODE = "pref_camera_scenemode_key";
public static final String KEY_EXPOSURE = "pref_camera_exposure_key";
public static final String KEY_CAMERA_ID = "pref_camera_id_key";
public static final String KEY_ISO = "pref_camera_iso_key";
public static final String KEY_LENSSHADING = "pref_camera_lensshading_key";
public static final String KEY_AUTOEXPOSURE = "pref_camera_autoexposure_key";
public static final String KEY_ANTIBANDING = "pref_camera_antibanding_key";
public static final String KEY_SHARPNESS = "pref_camera_sharpness_key";
public static final String KEY_CONTRAST = "pref_camera_contrast_key";
public static final String KEY_SATURATION = "pref_camera_saturation_key";
private static final String VIDEO_QUALITY_HD = "hd";
private static final String VIDEO_QUALITY_WIDE = "wide";
private static final String VIDEO_QUALITY_HIGH = "high";
private static final String VIDEO_QUALITY_MMS = "mms";
private static final String VIDEO_QUALITY_YOUTUBE_HD = "youtubehd";
private static final String VIDEO_QUALITY_YOUTUBE = "youtube";
public static final String EXPOSURE_DEFAULT_VALUE = "0";
public static final int CURRENT_VERSION = 4;
public static final int CURRENT_LOCAL_VERSION = 1;
// max video duration in seconds for mms and youtube.
private static final int MMS_VIDEO_DURATION = CamcorderProfile.get(CamcorderProfile.QUALITY_LOW).duration;
private static final int YOUTUBE_VIDEO_DURATION = 15 * 60; // 15 mins
private static final int DEFAULT_VIDEO_DURATION = 30 * 60; // 30 mins
// MMS video length
public static final int DEFAULT_VIDEO_DURATION_VALUE = 30;
private static final String TAG = "CameraSettings";
private final Context mContext;
private final Parameters mParameters;
private final CameraInfo[] mCameraInfo;
private final int mCameraId;
private static String sTouchFocusParameter;
private static boolean sTouchFocusNeedsRect = false;
// Nvidia 1080p high framerate
private static boolean mSupportsNvHFR;
// Samsung camera unadvertised modes
private static boolean mSamsungCamMode; // camcorder mode
private static boolean mSamsungContinuousAf;
private static boolean mSamsungSpecialSettings; // slow_ae and video_recording_gamma
private static boolean mIsOMAP4Camera;
private static boolean sFocusCamcorderAtStart = true;
public static final String FOCUS_MODE_TOUCH = "touch";
public CameraSettings(Activity activity, Parameters parameters,
CameraInfo[] cameraInfo, int cameraId) {
mContext = activity;
mParameters = parameters;
mCameraInfo = cameraInfo;
mCameraId = cameraId;
mIsOMAP4Camera = mContext.getResources().getBoolean(R.bool.isOMAP4Camera);
sFocusCamcorderAtStart = mContext.getResources().getBoolean(
R.bool.focusCamcorderAtStart);
}
public PreferenceGroup getPreferenceGroup(int preferenceRes) {
PreferenceInflater inflater = new PreferenceInflater(mContext);
PreferenceGroup group =
(PreferenceGroup) inflater.inflate(preferenceRes);
initPreference(group);
return group;
}
public static void initialCameraPictureSize(
Context context, Parameters parameters) {
// When launching the camera app first time, we will set the picture
// size to the first one in the list defined in "arrays.xml" and is also
// supported by the driver.
List<Size> supported = parameters.getSupportedPictureSizes();
if (supported == null) return;
for (String candidate : context.getResources().getStringArray(
R.array.pref_camera_picturesize_entryvalues)) {
if (setCameraPictureSize(candidate, supported, parameters)) {
SharedPreferences.Editor editor = ComboPreferences
.get(context).edit();
editor.putString(KEY_PICTURE_SIZE, candidate);
editor.apply();
return;
}
}
Log.e(TAG, "No supported picture size found");
}
public static void removePreferenceFromScreen(
PreferenceGroup group, String key) {
removePreference(group, key);
}
public static boolean setCameraPictureSize(
String candidate, List<Size> supported, Parameters parameters) {
int index = candidate.indexOf('x');
if (index == NOT_FOUND) return false;
int width = Integer.parseInt(candidate.substring(0, index));
int height = Integer.parseInt(candidate.substring(index + 1));
for (Size size: supported) {
if (size.width == width && size.height == height) {
parameters.setPictureSize(width, height);
return true;
}
}
return false;
}
private void initPreference(PreferenceGroup group) {
ListPreference videoQuality = group.findPreference(KEY_VIDEO_QUALITY);
ListPreference pictureSize = group.findPreference(KEY_PICTURE_SIZE);
ListPreference whiteBalance = group.findPreference(KEY_WHITE_BALANCE);
ListPreference colorEffect = group.findPreference(KEY_COLOR_EFFECT);
ListPreference sceneMode = group.findPreference(KEY_SCENE_MODE);
ListPreference flashMode = group.findPreference(KEY_FLASH_MODE);
ListPreference focusMode = group.findPreference(KEY_FOCUS_MODE);
ListPreference exposure = group.findPreference(KEY_EXPOSURE);
IconListPreference cameraId =
(IconListPreference)group.findPreference(KEY_CAMERA_ID);
ListPreference videoFlashMode =
group.findPreference(KEY_VIDEOCAMERA_FLASH_MODE);
ListPreference iso = group.findPreference(KEY_ISO);
ListPreference lensShade = group.findPreference(KEY_LENSSHADING);
ListPreference antiBanding = group.findPreference(KEY_ANTIBANDING);
ListPreference autoExposure = group.findPreference(KEY_AUTOEXPOSURE);
// Since the screen could be loaded from different resources, we need
// to check if the preference is available here
if (videoQuality != null) {
// Modify video duration settings.
// The first entry is for MMS video duration, and we need to fill
// in the device-dependent value (in seconds).
CharSequence[] entries = videoQuality.getEntries();
CharSequence[] values = videoQuality.getEntryValues();
for (int i = 0; i < entries.length; ++i) {
if (VIDEO_QUALITY_MMS.equals(values[i])) {
entries[i] = entries[i].toString().replace(
"30", Integer.toString(MMS_VIDEO_DURATION));
break;
}
}
if (!isHDCapable(mCameraId)) {
List<String> supported = new ArrayList<String>();
for (CharSequence value : values) {
if (!VIDEO_QUALITY_HD.equals(value) &&
!VIDEO_QUALITY_YOUTUBE_HD.equals(value)) {
supported.add(value.toString());
}
}
filterUnsupportedOptions(group, videoQuality, supported);
}
if (!mContext.getResources().getBoolean(R.bool.supportsWideProfile)) {
List<String> supported = new ArrayList<String>();
for (CharSequence value : values) {
if (!VIDEO_QUALITY_WIDE.equals(value)) {
supported.add(value.toString());
}
}
filterUnsupportedOptions(group, videoQuality, supported);
}
}
// Filter out unsupported settings / options
if (pictureSize != null) {
final List<String> pictureSizes = sizeListToStringList(mParameters.getSupportedPictureSizes());
final String filteredSizes = mContext.getResources().getString(R.string.filtered_pictureSizes);
if (filteredSizes != null && filteredSizes.length() > 0) {
pictureSizes.removeAll(Arrays.asList(filteredSizes.split(",")));
}
filterUnsupportedOptions(group, pictureSize, pictureSizes);
}
if (whiteBalance != null) {
filterUnsupportedOptions(group,
whiteBalance, mParameters.getSupportedWhiteBalance());
}
if (colorEffect != null) {
if (isFrontFacingCamera()) {
String supportedEffects = mContext.getResources().getString(R.string.ffc_supportedEffects);
if (supportedEffects != null && supportedEffects.length() > 0) {
filterUnsupportedOptions(group, colorEffect,
Arrays.asList(supportedEffects.split(",")));
}
} else {
filterUnsupportedOptions(group,
colorEffect, mParameters.getSupportedColorEffects());
}
}
if (sceneMode != null) {
filterUnsupportedOptions(group,
sceneMode, mParameters.getSupportedSceneModes());
}
if (flashMode != null) {
filterUnsupportedOptions(group,
flashMode, mParameters.getSupportedFlashModes());
}
if (focusMode != null) {
if (isFrontFacingCamera() && !mContext.getResources().getBoolean(R.bool.ffc_canFocus)) {
filterUnsupportedOptions(group, focusMode, new ArrayList<String>());
} else {
List<String> focusModes = mParameters.getSupportedFocusModes();
if (checkTouchFocus()) {
focusModes.add(FOCUS_MODE_TOUCH);
}
filterUnsupportedOptions(group, focusMode, focusModes);
}
}
if (videoFlashMode != null) {
filterUnsupportedOptions(group,
videoFlashMode, mParameters.getSupportedFlashModes());
}
if (exposure != null) buildExposureCompensation(group, exposure);
if (cameraId != null) buildCameraId(group, cameraId);
if (iso != null) {
filterUnsupportedOptions(group,
iso, mParameters.getSupportedIsoValues());
}
if (lensShade!= null) {
filterUnsupportedOptions(group,
lensShade, mParameters.getSupportedLensShadeModes());
}
if (antiBanding != null) {
filterUnsupportedOptions(group,
antiBanding, mParameters.getSupportedAntibanding());
}
if (autoExposure != null) {
filterUnsupportedOptions(group,
autoExposure, mParameters.getSupportedAutoexposure());
}
}
private boolean checkTouchFocus() {
sTouchFocusParameter = mContext.getResources().getString(R.string.touchFocusParameter);
sTouchFocusNeedsRect = mContext.getResources().getBoolean(R.bool.touchFocusNeedsRect);
if (sTouchFocusParameter != null && sTouchFocusParameter.length() != 0) {
return true;
} else {
return false;
}
}
public static String getTouchFocusParameterName() {
return sTouchFocusParameter;
}
public static boolean getTouchFocusNeedsRect() {
return sTouchFocusNeedsRect;
}
private void buildExposureCompensation(
PreferenceGroup group, ListPreference exposure) {
int max = mParameters.getMaxExposureCompensation();
int min = mParameters.getMinExposureCompensation();
if (max == 0 && min == 0) {
removePreference(group, exposure.getKey());
return;
}
float step = mParameters.getExposureCompensationStep();
// show only integer values for exposure compensation
int maxValue = (int) Math.floor(max * step);
int minValue = (int) Math.ceil(min * step);
CharSequence entries[] = new CharSequence[maxValue - minValue + 1];
CharSequence entryValues[] = new CharSequence[maxValue - minValue + 1];
for (int i = minValue; i <= maxValue; ++i) {
entryValues[maxValue - i] = Integer.toString(Math.round(i / step));
StringBuilder builder = new StringBuilder();
if (i > 0) builder.append('+');
entries[maxValue - i] = builder.append(i).toString();
}
exposure.setEntries(entries);
exposure.setEntryValues(entryValues);
}
private void buildCameraId(
PreferenceGroup group, IconListPreference cameraId) {
int numOfCameras = mCameraInfo.length;
if (numOfCameras < 2) {
removePreference(group, cameraId.getKey());
return;
}
CharSequence entries[] = new CharSequence[numOfCameras];
CharSequence entryValues[] = new CharSequence[numOfCameras];
int[] iconIds = new int[numOfCameras];
int[] largeIconIds = new int[numOfCameras];
for (int i = 0; i < numOfCameras; i++) {
entryValues[i] = Integer.toString(i);
if (mCameraInfo[i].facing == CameraInfo.CAMERA_FACING_FRONT) {
entries[i] = mContext.getString(
R.string.pref_camera_id_entry_front);
iconIds[i] = R.drawable.ic_menuselect_camera_facing_front;
largeIconIds[i] = R.drawable.ic_viewfinder_camera_facing_front;
} else if (mIsOMAP4Camera && i>=2) {
entries[i] = mContext.getString(
R.string.pref_camera_id_entry_dual);
iconIds[i] = R.drawable.ic_menuselect_camera_facing_back;
largeIconIds[i] = R.drawable.ic_viewfinder_camera_facing_back;
} else {
entries[i] = mContext.getString(
R.string.pref_camera_id_entry_back);
iconIds[i] = R.drawable.ic_menuselect_camera_facing_back;
largeIconIds[i] = R.drawable.ic_viewfinder_camera_facing_back;
}
}
cameraId.setEntries(entries);
cameraId.setEntryValues(entryValues);
cameraId.setIconIds(iconIds);
cameraId.setLargeIconIds(largeIconIds);
mSupportsNvHFR = mContext.getResources().getBoolean(R.bool.supportsNvHighBitrateFullHD);
mSamsungCamMode = mContext.getResources().getBoolean(R.bool.needsSamsungCamMode);
mSamsungContinuousAf = mContext.getResources().getBoolean(R.bool.needsSamsungContinuousAf);
mSamsungSpecialSettings = mContext.getResources().getBoolean(R.bool.needsSamsungSpecialSettings);
}
private static boolean removePreference(PreferenceGroup group, String key) {
for (int i = 0, n = group.size(); i < n; i++) {
CameraPreference child = group.get(i);
if (child instanceof PreferenceGroup) {
if (removePreference((PreferenceGroup) child, key)) {
return true;
}
}
if (child instanceof ListPreference &&
((ListPreference) child).getKey().equals(key)) {
group.removePreference(i);
return true;
}
}
return false;
}
private void filterUnsupportedOptions(PreferenceGroup group,
ListPreference pref, List<String> supported) {
// Remove the preference if the parameter is not supported or there is
// only one options for the settings.
if (supported == null || supported.size() <= 1) {
removePreference(group, pref.getKey());
return;
}
pref.filterUnsupported(supported);
if (pref.getEntries().length <= 1) {
removePreference(group, pref.getKey());
return;
}
// Set the value to the first entry if it is invalid.
String value = pref.getValue();
if (pref.findIndexOfValue(value) == NOT_FOUND) {
pref.setValueIndex(0);
}
}
private static List<String> sizeListToStringList(List<Size> sizes) {
ArrayList<String> list = new ArrayList<String>();
for (Size size : sizes) {
list.add(String.format("%dx%d", size.width, size.height));
}
return list;
}
public static void upgradeLocalPreferences(SharedPreferences pref) {
int version;
try {
version = pref.getInt(KEY_LOCAL_VERSION, 0);
} catch (Exception ex) {
version = 0;
}
if (version == CURRENT_LOCAL_VERSION) return;
SharedPreferences.Editor editor = pref.edit();
editor.putInt(KEY_LOCAL_VERSION, CURRENT_LOCAL_VERSION);
editor.apply();
}
public static void upgradeGlobalPreferences(SharedPreferences pref) {
int version;
try {
version = pref.getInt(KEY_VERSION, 0);
} catch (Exception ex) {
version = 0;
}
if (version == CURRENT_VERSION) return;
SharedPreferences.Editor editor = pref.edit();
if (version == 0) {
// We won't use the preference which change in version 1.
// So, just upgrade to version 1 directly
version = 1;
}
if (version == 1) {
// Change jpeg quality {65,75,85} to {normal,fine,superfine}
String quality = pref.getString(KEY_JPEG_QUALITY, "85");
if (quality.equals("65")) {
quality = "normal";
} else if (quality.equals("75")) {
quality = "fine";
} else {
quality = "superfine";
}
editor.putString(KEY_JPEG_QUALITY, quality);
version = 2;
}
if (version == 2) {
editor.putString(KEY_RECORD_LOCATION,
pref.getBoolean(KEY_RECORD_LOCATION, false)
? RecordLocationPreference.VALUE_ON
: RecordLocationPreference.VALUE_NONE);
version = 3;
}
if (version == 3) {
// Just use video quality to replace it and
// ignore the current settings.
editor.remove("pref_camera_videoquality_key");
editor.remove("pref_camera_video_duration_key");
}
editor.putInt(KEY_VERSION, CURRENT_VERSION);
editor.apply();
}
public static void upgradeAllPreferences(ComboPreferences pref) {
upgradeGlobalPreferences(pref.getGlobal());
upgradeLocalPreferences(pref.getLocal());
}
public static final String getDefaultVideoQuality(int cameraId) {
return isHDCapable(cameraId) ? VIDEO_QUALITY_HD : VIDEO_QUALITY_HIGH;
}
public static final boolean isHDCapable(int cameraId) {
boolean ret = false;
try {
ret = CamcorderProfile.get(cameraId, CamcorderProfile.QUALITY_HD) != null;
} catch (Exception e) {
// Native code throws exception if not found
}
return ret;
}
public static int getVideoQuality(String quality) {
final int q;
if (VIDEO_QUALITY_YOUTUBE_HD.equals(quality) || VIDEO_QUALITY_HD.equals(quality)) {
q = CamcorderProfile.QUALITY_HD;
} else if (VIDEO_QUALITY_WIDE.equals(quality)) {
q = CamcorderProfile.QUALITY_WIDE;
} else if (VIDEO_QUALITY_YOUTUBE.equals(quality) || VIDEO_QUALITY_HIGH.equals(quality)) {
q = CamcorderProfile.QUALITY_HIGH;
} else {
q = CamcorderProfile.QUALITY_LOW;
}
return q;
}
public static int getVidoeDurationInMillis(String quality) {
if (VIDEO_QUALITY_MMS.equals(quality)) {
return MMS_VIDEO_DURATION * 1000;
} else if (VIDEO_QUALITY_YOUTUBE.equals(quality) ||
VIDEO_QUALITY_YOUTUBE_HD.equals(quality)) {
return YOUTUBE_VIDEO_DURATION * 1000;
}
return DEFAULT_VIDEO_DURATION * 1000;
}
public static int readPreferredCameraId(SharedPreferences pref) {
return Integer.parseInt(pref.getString(KEY_CAMERA_ID, "0"));
}
public static void writePreferredCameraId(SharedPreferences pref,
int cameraId) {
Editor editor = pref.edit();
editor.putString(KEY_CAMERA_ID, Integer.toString(cameraId));
editor.apply();
}
public static boolean isZoomSupported(Context context, int cameraId) {
return CameraHolder.instance().getCameraInfo()[cameraId].facing != CameraInfo.CAMERA_FACING_FRONT
|| context.getResources().getBoolean(R.bool.ffc_canZoom);
}
public static void dumpParameters(Parameters params) {
Set<String> sortedParams = new TreeSet<String>();
sortedParams.addAll(Arrays.asList(params.flatten().split(";")));
Log.d(TAG, "Parameters: " + sortedParams.toString());
}
private boolean isFrontFacingCamera() {
return mCameraInfo[mCameraId].facing == CameraInfo.CAMERA_FACING_FRONT;
}
public static boolean isVideoZoomSupported(Context context, int cameraId, Parameters params) {
boolean ret = isZoomSupported(context, cameraId);
if (ret) {
// No zoom at 720P currently. Driver limitation?
Size size = params.getPreviewSize();
ret = !(size.width == 1280 && size.height == 720);
}
return ret;
}
/**
* Tell camera driver whether video mode is enabled or not,
* if supported/requested by driver.
*
* @param params
* @param on
*/
public static void setVideoMode(Parameters params, boolean on) {
if (params.get("cam-mode") != null) {
params.set("cam-mode", on ? "1" : "0");
} else if (params.get("nv-mode-hint") != null) {
params.set("nv-mode-hint", on ? "video" : "still");
} else if (mSamsungCamMode) {
params.set("cam_mode", on ? "1" : "0");
} else if (mIsOMAP4Camera) {
params.set("mode", on ? "video-mode" : "high-quality");
params.set("sei-encoding-type", "sei_enc_2010");
}
/*if (on && params.get("focus-mode-values").indexOf("continuous-video") != -1) {
// Galaxy S2
params.set("focus-mode", "continuous-video");
}
if (on && params.get("focus-mode-values").indexOf("caf") != -1) {
// OMAP4
params.set("focus-mode", "caf");
}
if (mSamsungSpecialSettings) {
params.set("video_recording_gamma", on ? "on" : "off");
params.set("slow_ae", on ? "on" : "off");
params.set("iso", on ? "movie" : "auto");
params.set("metering", on ? "matrix" : "center");
if (on) {
params.set("antibanding", "50hz");
}
}*/
}
/**
* Sets continuous-autofocus video mode on HTC cameras that support it.
*
* @param params
* @param on
*/
public static void setContinuousAf(Parameters params, boolean on) {
if (params.get("enable-caf") != null) {
params.set("enable-caf", on ? "on" : "off");
} else if (mSamsungContinuousAf) {
params.set("continuous_af", on ? 1 : 0);
}
}
/**
* Changes nv-sensor-mode to enable higher framerate video recording
* for some tegra 2 devices
*
* @param params
*/
public static void enableHighFrameRateFHD(Parameters params) {
if (!mSupportsNvHFR || params.get("nv-sensor-mode") == null)
return;
Log.v(TAG,"Enabling 1080p@30fps on nvcamera");
// Not listed as a supported parameter, force it
params.set("nv-sensor-mode", "3264x1224x30");
// Default is 1600x1200, which causes nv-sensor-mode to be
// reset to 3264x2448x15 when attempting Full HD recording.
params.setPreviewSize(1280, 720);
params.set("preview-frame-rate", "30");
}
public static boolean isCamcoderFocusAtStart() {
return sFocusCamcorderAtStart;
}
}