285 lines
12 KiB
C++
285 lines
12 KiB
C++
/*
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* Copyright (C) 2008 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef ANDROID_HARDWARE_CAMERA_PARAMETERS_H
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#define ANDROID_HARDWARE_CAMERA_PARAMETERS_H
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#include <utils/KeyedVector.h>
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#include <utils/String8.h>
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namespace android {
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class CameraParameters
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{
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public:
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CameraParameters();
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CameraParameters(const String8 ¶ms) { unflatten(params); }
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~CameraParameters();
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String8 flatten() const;
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void unflatten(const String8 ¶ms);
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void set(const char *key, const char *value);
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void set(const char *key, int value);
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void setFloat(const char *key, float value);
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const char *get(const char *key) const;
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int getInt(const char *key) const;
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float getFloat(const char *key) const;
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/* preview-size=176x144 */
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void setPreviewSize(int width, int height);
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void getPreviewSize(int *width, int *height) const;
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/* preview-fps=15 */
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void setPreviewFrameRate(int fps);
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int getPreviewFrameRate() const;
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/* preview-format=rgb565|yuv422 */
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void setPreviewFormat(const char *format);
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const char *getPreviewFormat() const;
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/* picture-size=1024x768 */
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void setPictureSize(int width, int height);
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void getPictureSize(int *width, int *height) const;
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/* picture-format=yuv422|jpeg */
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void setPictureFormat(const char *format);
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const char *getPictureFormat() const;
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void dump() const;
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status_t dump(int fd, const Vector<String16>& args) const;
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// Parameter keys to communicate between camera application and driver.
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// The access (read/write, read only, or write only) is viewed from the
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// perspective of applications, not driver.
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// Preview frame size in pixels (width x height).
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// Example value: "480x320". Read/Write.
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static const char KEY_PREVIEW_SIZE[];
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// Supported preview frame sizes in pixels.
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// Example value: "800x600,480x320". Read only.
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static const char KEY_SUPPORTED_PREVIEW_SIZES[];
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// The image format for preview frames.
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// Example value: "yuv420sp" or PIXEL_FORMAT_XXX constants. Read/write.
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static const char KEY_PREVIEW_FORMAT[];
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// Supported image formats for preview frames.
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// Example value: "yuv420sp,yuv422i-yuyv". Read only.
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static const char KEY_SUPPORTED_PREVIEW_FORMATS[];
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// Number of preview frames per second.
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// Example value: "15". Read/write.
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static const char KEY_PREVIEW_FRAME_RATE[];
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// Supported number of preview frames per second.
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// Example value: "24,15,10". Read.
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static const char KEY_SUPPORTED_PREVIEW_FRAME_RATES[];
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// The dimensions for captured pictures in pixels (width x height).
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// Example value: "1024x768". Read/write.
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static const char KEY_PICTURE_SIZE[];
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// Supported dimensions for captured pictures in pixels.
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// Example value: "2048x1536,1024x768". Read only.
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static const char KEY_SUPPORTED_PICTURE_SIZES[];
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// The image format for captured pictures.
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// Example value: "jpeg" or PIXEL_FORMAT_XXX constants. Read/write.
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static const char KEY_PICTURE_FORMAT[];
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// Supported image formats for captured pictures.
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// Example value: "jpeg,rgb565". Read only.
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static const char KEY_SUPPORTED_PICTURE_FORMATS[];
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// The width (in pixels) of EXIF thumbnail in Jpeg picture.
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// Example value: "512". Read/write.
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static const char KEY_JPEG_THUMBNAIL_WIDTH[];
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// The height (in pixels) of EXIF thumbnail in Jpeg picture.
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// Example value: "384". Read/write.
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static const char KEY_JPEG_THUMBNAIL_HEIGHT[];
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// Supported EXIF thumbnail sizes (width x height). 0x0 means not thumbnail
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// in EXIF.
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// Example value: "512x384,320x240,0x0". Read only.
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static const char KEY_SUPPORTED_JPEG_THUMBNAIL_SIZES[];
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// The quality of the EXIF thumbnail in Jpeg picture. The range is 1 to 100,
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// with 100 being the best.
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// Example value: "90". Read/write.
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static const char KEY_JPEG_THUMBNAIL_QUALITY[];
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// Jpeg quality of captured picture. The range is 1 to 100, with 100 being
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// the best.
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// Example value: "90". Read/write.
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static const char KEY_JPEG_QUALITY[];
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// The orientation of the device in degrees. For example, suppose the
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// natural position of the device is landscape. If the user takes a picture
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// in landscape mode in 2048x1536 resolution, the rotation will be set to
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// "0". If the user rotates the phone 90 degrees clockwise, the rotation
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// should be set to "90".
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// The camera driver can set orientation in the EXIF header without rotating
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// the picture. Or the driver can rotate the picture and the EXIF thumbnail.
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// If the Jpeg picture is rotated, the orientation in the EXIF header should
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// be missing or 1 (row #0 is top and column #0 is left side). The driver
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// should not set default value for this parameter.
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// Example value: "0" or "90" or "180" or "270". Write only.
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static const char KEY_ROTATION[];
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// GPS latitude coordinate. This will be stored in JPEG EXIF header.
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// Example value: "25.032146". Write only.
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static const char KEY_GPS_LATITUDE[];
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// GPS longitude coordinate. This will be stored in JPEG EXIF header.
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// Example value: "121.564448". Write only.
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static const char KEY_GPS_LONGITUDE[];
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// GPS altitude. This will be stored in JPEG EXIF header.
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// Example value: "21.0". Write only.
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static const char KEY_GPS_ALTITUDE[];
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// GPS timestamp (UTC in seconds since January 1, 1970). This should be
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// stored in JPEG EXIF header.
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// Example value: "1251192757". Write only.
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static const char KEY_GPS_TIMESTAMP[];
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// Current white balance setting.
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// Example value: "auto" or WHITE_BALANCE_XXX constants. Read/write.
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static const char KEY_WHITE_BALANCE[];
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// Supported white balance settings.
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// Example value: "auto,incandescent,daylight". Read only.
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static const char KEY_SUPPORTED_WHITE_BALANCE[];
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// Current color effect setting.
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// Example value: "none" or EFFECT_XXX constants. Read/write.
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static const char KEY_EFFECT[];
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// Supported color effect settings.
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// Example value: "none,mono,sepia". Read only.
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static const char KEY_SUPPORTED_EFFECTS[];
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// Current antibanding setting.
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// Example value: "auto" or ANTIBANDING_XXX constants. Read/write.
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static const char KEY_ANTIBANDING[];
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// Supported antibanding settings.
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// Example value: "auto,50hz,60hz,off". Read only.
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static const char KEY_SUPPORTED_ANTIBANDING[];
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// Current scene mode.
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// Example value: "auto" or SCENE_MODE_XXX constants. Read/write.
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static const char KEY_SCENE_MODE[];
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// Supported scene mode settings.
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// Example value: "auto,night,fireworks". Read only.
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static const char KEY_SUPPORTED_SCENE_MODES[];
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// Current flash mode.
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// Example value: "auto" or FLASH_MODE_XXX constants. Read/write.
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static const char KEY_FLASH_MODE[];
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// Supported flash modes.
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// Example value: "auto,on,off". Read only.
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static const char KEY_SUPPORTED_FLASH_MODES[];
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// Current focus mode. If the camera does not support auto-focus, the value
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// should be FOCUS_MODE_FIXED. If the focus mode is not FOCUS_MODE_FIXED or
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// or FOCUS_MODE_INFINITY, applications should call
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// CameraHardwareInterface.autoFocus to start the focus.
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// Example value: "auto" or FOCUS_MODE_XXX constants. Read/write.
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static const char KEY_FOCUS_MODE[];
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// Supported focus modes.
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// Example value: "auto,macro,fixed". Read only.
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static const char KEY_SUPPORTED_FOCUS_MODES[];
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// Focal length in millimeter.
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// Example value: "4.31". Read only.
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static const char KEY_FOCAL_LENGTH[];
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// Horizontal angle of view in degrees.
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// Example value: "54.8". Read only.
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static const char KEY_HORIZONTAL_VIEW_ANGLE[];
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// Vertical angle of view in degrees.
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// Example value: "42.5". Read only.
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static const char KEY_VERTICAL_VIEW_ANGLE[];
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// Exposure compensation. The value is multiplied by 100. -100 means -1 EV.
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// 130 means +1.3 EV.
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// Example value: "0" or "133". Read/write.
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static const char KEY_EXPOSURE_COMPENSATION[];
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// Supported exposure compensation.
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// Example value: "-100,-66,-33,0,33,66,100". Read only.
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static const char KEY_SUPPORTED_EXPOSURE_COMPENSATION[];
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// Values for white balance settings.
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static const char WHITE_BALANCE_AUTO[];
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static const char WHITE_BALANCE_INCANDESCENT[];
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static const char WHITE_BALANCE_FLUORESCENT[];
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static const char WHITE_BALANCE_WARM_FLUORESCENT[];
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static const char WHITE_BALANCE_DAYLIGHT[];
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static const char WHITE_BALANCE_CLOUDY_DAYLIGHT[];
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static const char WHITE_BALANCE_TWILIGHT[];
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static const char WHITE_BALANCE_SHADE[];
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// Values for effect settings.
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static const char EFFECT_NONE[];
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static const char EFFECT_MONO[];
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static const char EFFECT_NEGATIVE[];
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static const char EFFECT_SOLARIZE[];
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static const char EFFECT_SEPIA[];
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static const char EFFECT_POSTERIZE[];
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static const char EFFECT_WHITEBOARD[];
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static const char EFFECT_BLACKBOARD[];
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static const char EFFECT_AQUA[];
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// Values for antibanding settings.
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static const char ANTIBANDING_AUTO[];
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static const char ANTIBANDING_50HZ[];
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static const char ANTIBANDING_60HZ[];
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static const char ANTIBANDING_OFF[];
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// Values for flash mode settings.
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// Flash will not be fired.
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static const char FLASH_MODE_OFF[];
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// Flash will be fired automatically when required. The flash may be fired
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// during preview, auto-focus, or snapshot depending on the driver.
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static const char FLASH_MODE_AUTO[];
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// Flash will always be fired during snapshot. The flash may also be
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// fired during preview or auto-focus depending on the driver.
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static const char FLASH_MODE_ON[];
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// Flash will be fired in red-eye reduction mode.
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static const char FLASH_MODE_RED_EYE[];
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// Constant emission of light during preview, auto-focus and snapshot.
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// This can also be used for video recording.
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static const char FLASH_MODE_TORCH[];
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// Values for scene mode settings.
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static const char SCENE_MODE_AUTO[];
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static const char SCENE_MODE_ACTION[];
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static const char SCENE_MODE_PORTRAIT[];
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static const char SCENE_MODE_LANDSCAPE[];
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static const char SCENE_MODE_NIGHT[];
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static const char SCENE_MODE_NIGHT_PORTRAIT[];
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static const char SCENE_MODE_THEATRE[];
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static const char SCENE_MODE_BEACH[];
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static const char SCENE_MODE_SNOW[];
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static const char SCENE_MODE_SUNSET[];
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static const char SCENE_MODE_STEADYPHOTO[];
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static const char SCENE_MODE_FIREWORKS[];
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static const char SCENE_MODE_SPORTS[];
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static const char SCENE_MODE_PARTY[];
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static const char SCENE_MODE_CANDLELIGHT[];
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// Formats for setPreviewFormat and setPictureFormat.
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static const char PIXEL_FORMAT_YUV422SP[];
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static const char PIXEL_FORMAT_YUV420SP[]; // NV21
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static const char PIXEL_FORMAT_YUV422I[]; // YUY2
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static const char PIXEL_FORMAT_RGB565[];
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static const char PIXEL_FORMAT_JPEG[];
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// Values for focus mode settings.
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// Auto-focus mode.
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static const char FOCUS_MODE_AUTO[];
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// Focus is set at infinity. Applications should not call
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// CameraHardwareInterface.autoFocus in this mode.
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static const char FOCUS_MODE_INFINITY[];
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static const char FOCUS_MODE_MACRO[];
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// Focus is fixed. The camera is always in this mode if the focus is not
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// adjustable. If the camera has auto-focus, this mode can fix the
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// focus, which is usually at hyperfocal distance. Applications should
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// not call CameraHardwareInterface.autoFocus in this mode.
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static const char FOCUS_MODE_FIXED[];
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private:
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DefaultKeyedVector<String8,String8> mMap;
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};
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}; // namespace android
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#endif
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