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/*
* Copyright (C) 2008 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.
*/
#ifndef ANDROID_HARDWARE_CAMERA_PARAMETERS_H
#define ANDROID_HARDWARE_CAMERA_PARAMETERS_H
#include <utils/KeyedVector.h>
#include <utils/String8.h>
namespace android {
namespace hardware {
namespace camera {
namespace common {
namespace V1_0 {
namespace helper {
struct Size {
int width;
int height;
Size() {
width = 0;
height = 0;
}
Size(int w, int h) {
width = w;
height = h;
}
};
class CameraParameters
{
public:
CameraParameters();
CameraParameters(const String8 &params) { unflatten(params); }
~CameraParameters();
String8 flatten() const;
void unflatten(const String8 &params);
void set(const char *key, const char *value);
void set(const char *key, int value);
void setFloat(const char *key, float value);
const char *get(const char *key) const;
int getInt(const char *key) const;
float getFloat(const char *key) const;
void remove(const char *key);
void setPreviewSize(int width, int height);
void getPreviewSize(int *width, int *height) const;
void getSupportedPreviewSizes(Vector<Size> &sizes) const;
// Set the dimensions in pixels to the given width and height
// for video frames. The given width and height must be one
// of the supported dimensions returned from
// getSupportedVideoSizes(). Must not be called if
// getSupportedVideoSizes() returns an empty Vector of Size.
void setVideoSize(int width, int height);
// Retrieve the current dimensions (width and height)
// in pixels for video frames, which must be one of the
// supported dimensions returned from getSupportedVideoSizes().
// Must not be called if getSupportedVideoSizes() returns an
// empty Vector of Size.
void getVideoSize(int *width, int *height) const;
// Retrieve a Vector of supported dimensions (width and height)
// in pixels for video frames. If sizes returned from the method
// is empty, the camera does not support calls to setVideoSize()
// or getVideoSize(). In adddition, it also indicates that
// the camera only has a single output, and does not have
// separate output for video frames and preview frame.
void getSupportedVideoSizes(Vector<Size> &sizes) const;
// Retrieve the preferred preview size (width and height) in pixels
// for video recording. The given width and height must be one of
// supported preview sizes returned from getSupportedPreviewSizes().
// Must not be called if getSupportedVideoSizes() returns an empty
// Vector of Size. If getSupportedVideoSizes() returns an empty
// Vector of Size, the width and height returned from this method
// is invalid, and is "-1x-1".
void getPreferredPreviewSizeForVideo(int *width, int *height) const;
void setPreviewFrameRate(int fps);
int getPreviewFrameRate() const;
void getPreviewFpsRange(int *min_fps, int *max_fps) const;
void setPreviewFormat(const char *format);
const char *getPreviewFormat() const;
void setPictureSize(int width, int height);
void getPictureSize(int *width, int *height) const;
void getSupportedPictureSizes(Vector<Size> &sizes) const;
void setPictureFormat(const char *format);
const char *getPictureFormat() const;
void dump() const;
status_t dump(int fd, const Vector<String16>& args) const;
/**
* Returns a Vector containing the supported preview formats
* as enums given in graphics.h.
*/
void getSupportedPreviewFormats(Vector<int>& formats) const;
// Returns true if no keys are present
bool isEmpty() const;
// Parameter keys to communicate between camera application and driver.
// The access (read/write, read only, or write only) is viewed from the
// perspective of applications, not driver.
// Preview frame size in pixels (width x height).
// Example value: "480x320". Read/Write.
static const char KEY_PREVIEW_SIZE[];
// Supported preview frame sizes in pixels.
// Example value: "800x600,480x320". Read only.
static const char KEY_SUPPORTED_PREVIEW_SIZES[];
// The current minimum and maximum preview fps. This controls the rate of
// preview frames received (CAMERA_MSG_PREVIEW_FRAME). The minimum and
// maximum fps must be one of the elements from
// KEY_SUPPORTED_PREVIEW_FPS_RANGE parameter.
// Example value: "10500,26623"
static const char KEY_PREVIEW_FPS_RANGE[];
// The supported preview fps (frame-per-second) ranges. Each range contains
// a minimum fps and maximum fps. If minimum fps equals to maximum fps, the
// camera outputs frames in fixed frame rate. If not, the camera outputs
// frames in auto frame rate. The actual frame rate fluctuates between the
// minimum and the maximum. The list has at least one element. The list is
// sorted from small to large (first by maximum fps and then minimum fps).
// Example value: "(10500,26623),(15000,26623),(30000,30000)"
static const char KEY_SUPPORTED_PREVIEW_FPS_RANGE[];
// The image format for preview frames. See CAMERA_MSG_PREVIEW_FRAME in
// frameworks/av/include/camera/Camera.h. The default is
// PIXEL_FORMAT_YUV420SP. Example value: "yuv420sp" or PIXEL_FORMAT_XXX
// constants. Read/write.
static const char KEY_PREVIEW_FORMAT[];
// Supported image formats for preview frames.
// Example value: "yuv420sp,yuv422i-yuyv". Read only.
static const char KEY_SUPPORTED_PREVIEW_FORMATS[];
// Number of preview frames per second. This is the target frame rate. The
// actual frame rate depends on the driver.
// Example value: "15". Read/write.
static const char KEY_PREVIEW_FRAME_RATE[];
// Supported number of preview frames per second.
// Example value: "24,15,10". Read.
static const char KEY_SUPPORTED_PREVIEW_FRAME_RATES[];
// The dimensions for captured pictures in pixels (width x height).
// Example value: "1024x768". Read/write.
static const char KEY_PICTURE_SIZE[];
// Supported dimensions for captured pictures in pixels.
// Example value: "2048x1536,1024x768". Read only.
static const char KEY_SUPPORTED_PICTURE_SIZES[];
// The image format for captured pictures. See CAMERA_MSG_COMPRESSED_IMAGE
// in frameworks/base/include/camera/Camera.h.
// Example value: "jpeg" or PIXEL_FORMAT_XXX constants. Read/write.
static const char KEY_PICTURE_FORMAT[];
// Supported image formats for captured pictures.
// Example value: "jpeg,rgb565". Read only.
static const char KEY_SUPPORTED_PICTURE_FORMATS[];
// The width (in pixels) of EXIF thumbnail in Jpeg picture.
// Example value: "512". Read/write.
static const char KEY_JPEG_THUMBNAIL_WIDTH[];
// The height (in pixels) of EXIF thumbnail in Jpeg picture.
// Example value: "384". Read/write.
static const char KEY_JPEG_THUMBNAIL_HEIGHT[];
// Supported EXIF thumbnail sizes (width x height). 0x0 means not thumbnail
// in EXIF.
// Example value: "512x384,320x240,0x0". Read only.
static const char KEY_SUPPORTED_JPEG_THUMBNAIL_SIZES[];
// The quality of the EXIF thumbnail in Jpeg picture. The range is 1 to 100,
// with 100 being the best.
// Example value: "90". Read/write.
static const char KEY_JPEG_THUMBNAIL_QUALITY[];
// Jpeg quality of captured picture. The range is 1 to 100, with 100 being
// the best.
// Example value: "90". Read/write.
static const char KEY_JPEG_QUALITY[];
// The rotation angle in degrees relative to the orientation of the camera.
// This affects the pictures returned from CAMERA_MSG_COMPRESSED_IMAGE. The
// camera driver may set orientation in the EXIF header without rotating the
// picture. Or the driver may rotate the picture and the EXIF thumbnail. If
// the Jpeg picture is rotated, the orientation in the EXIF header will be
// missing or 1 (row #0 is top and column #0 is left side).
//
// Note that the JPEG pictures of front-facing cameras are not mirrored
// as in preview display.
//
// For example, suppose the natural orientation of the device is portrait.
// The device is rotated 270 degrees clockwise, so the device orientation is
// 270. Suppose a back-facing camera sensor is mounted in landscape and the
// top side of the camera sensor is aligned with the right edge of the
// display in natural orientation. So the camera orientation is 90. The
// rotation should be set to 0 (270 + 90).
//
// Example value: "0" or "90" or "180" or "270". Write only.
static const char KEY_ROTATION[];
// GPS latitude coordinate. GPSLatitude and GPSLatitudeRef will be stored in
// JPEG EXIF header.
// Example value: "25.032146" or "-33.462809". Write only.
static const char KEY_GPS_LATITUDE[];
// GPS longitude coordinate. GPSLongitude and GPSLongitudeRef will be stored
// in JPEG EXIF header.
// Example value: "121.564448" or "-70.660286". Write only.
static const char KEY_GPS_LONGITUDE[];
// GPS altitude. GPSAltitude and GPSAltitudeRef will be stored in JPEG EXIF
// header.
// Example value: "21.0" or "-5". Write only.
static const char KEY_GPS_ALTITUDE[];
// GPS timestamp (UTC in seconds since January 1, 1970). This should be
// stored in JPEG EXIF header.
// Example value: "1251192757". Write only.
static const char KEY_GPS_TIMESTAMP[];
// GPS Processing Method
// Example value: "GPS" or "NETWORK". Write only.
static const char KEY_GPS_PROCESSING_METHOD[];
// Current white balance setting.
// Example value: "auto" or WHITE_BALANCE_XXX constants. Read/write.
static const char KEY_WHITE_BALANCE[];
// Supported white balance settings.
// Example value: "auto,incandescent,daylight". Read only.
static const char KEY_SUPPORTED_WHITE_BALANCE[];
// Current color effect setting.
// Example value: "none" or EFFECT_XXX constants. Read/write.
static const char KEY_EFFECT[];
// Supported color effect settings.
// Example value: "none,mono,sepia". Read only.
static const char KEY_SUPPORTED_EFFECTS[];
// Current antibanding setting.
// Example value: "auto" or ANTIBANDING_XXX constants. Read/write.
static const char KEY_ANTIBANDING[];
// Supported antibanding settings.
// Example value: "auto,50hz,60hz,off". Read only.
static const char KEY_SUPPORTED_ANTIBANDING[];
// Current scene mode.
// Example value: "auto" or SCENE_MODE_XXX constants. Read/write.
static const char KEY_SCENE_MODE[];
// Supported scene mode settings.
// Example value: "auto,night,fireworks". Read only.
static const char KEY_SUPPORTED_SCENE_MODES[];
// Current flash mode.
// Example value: "auto" or FLASH_MODE_XXX constants. Read/write.
static const char KEY_FLASH_MODE[];
// Supported flash modes.
// Example value: "auto,on,off". Read only.
static const char KEY_SUPPORTED_FLASH_MODES[];
// Current focus mode. This will not be empty. Applications should call
// CameraHardwareInterface.autoFocus to start the focus if focus mode is
// FOCUS_MODE_AUTO or FOCUS_MODE_MACRO.
// Example value: "auto" or FOCUS_MODE_XXX constants. Read/write.
static const char KEY_FOCUS_MODE[];
// Supported focus modes.
// Example value: "auto,macro,fixed". Read only.
static const char KEY_SUPPORTED_FOCUS_MODES[];
// The maximum number of focus areas supported. This is the maximum length
// of KEY_FOCUS_AREAS.
// Example value: "0" or "2". Read only.
static const char KEY_MAX_NUM_FOCUS_AREAS[];
// Current focus areas.
//
// Before accessing this parameter, apps should check
// KEY_MAX_NUM_FOCUS_AREAS first to know the maximum number of focus areas
// first. If the value is 0, focus area is not supported.
//
// Each focus area is a five-element int array. The first four elements are
// the rectangle of the area (left, top, right, bottom). The direction is
// relative to the sensor orientation, that is, what the sensor sees. The
// direction is not affected by the rotation or mirroring of
// CAMERA_CMD_SET_DISPLAY_ORIENTATION. Coordinates range from -1000 to 1000.
// (-1000,-1000) is the upper left point. (1000, 1000) is the lower right
// point. The width and height of focus areas cannot be 0 or negative.
//
// The fifth element is the weight. Values for weight must range from 1 to
// 1000. The weight should be interpreted as a per-pixel weight - all
// pixels in the area have the specified weight. This means a small area
// with the same weight as a larger area will have less influence on the
// focusing than the larger area. Focus areas can partially overlap and the
// driver will add the weights in the overlap region.
//
// A special case of single focus area (0,0,0,0,0) means driver to decide
// the focus area. For example, the driver may use more signals to decide
// focus areas and change them dynamically. Apps can set (0,0,0,0,0) if they
// want the driver to decide focus areas.
//
// Focus areas are relative to the current field of view (KEY_ZOOM). No
// matter what the zoom level is, (-1000,-1000) represents the top of the
// currently visible camera frame. The focus area cannot be set to be
// outside the current field of view, even when using zoom.
//
// Focus area only has effect if the current focus mode is FOCUS_MODE_AUTO,
// FOCUS_MODE_MACRO, FOCUS_MODE_CONTINUOUS_VIDEO, or
// FOCUS_MODE_CONTINUOUS_PICTURE.
// Example value: "(-10,-10,0,0,300),(0,0,10,10,700)". Read/write.
static const char KEY_FOCUS_AREAS[];
// Focal length in millimeter.
// Example value: "4.31". Read only.
static const char KEY_FOCAL_LENGTH[];
// Horizontal angle of view in degrees.
// Example value: "54.8". Read only.
static const char KEY_HORIZONTAL_VIEW_ANGLE[];
// Vertical angle of view in degrees.
// Example value: "42.5". Read only.
static const char KEY_VERTICAL_VIEW_ANGLE[];
// Exposure compensation index. 0 means exposure is not adjusted.
// Example value: "-5" or "5". Read/write.
static const char KEY_EXPOSURE_COMPENSATION[];
// The maximum exposure compensation index (>=0).
// Example value: "6". Read only.
static const char KEY_MAX_EXPOSURE_COMPENSATION[];
// The minimum exposure compensation index (<=0).
// Example value: "-6". Read only.
static const char KEY_MIN_EXPOSURE_COMPENSATION[];
// The exposure compensation step. Exposure compensation index multiply by
// step eqals to EV. Ex: if exposure compensation index is -6 and step is
// 0.3333, EV is -2.
// Example value: "0.333333333" or "0.5". Read only.
static const char KEY_EXPOSURE_COMPENSATION_STEP[];
// The state of the auto-exposure lock. "true" means that
// auto-exposure is locked to its current value and will not
// change. "false" means the auto-exposure routine is free to
// change exposure values. If auto-exposure is already locked,
// setting this to true again has no effect (the driver will not
// recalculate exposure values). Changing exposure compensation
// settings will still affect the exposure settings while
// auto-exposure is locked. Stopping preview or taking a still
// image will not change the lock. In conjunction with
// exposure compensation, this allows for capturing multi-exposure
// brackets with known relative exposure values. Locking
// auto-exposure after open but before the first call to
// startPreview may result in severely over- or under-exposed
// images. The driver will not change the AE lock after
// auto-focus completes.
static const char KEY_AUTO_EXPOSURE_LOCK[];
// Whether locking the auto-exposure is supported. "true" means it is, and
// "false" or this key not existing means it is not supported.
static const char KEY_AUTO_EXPOSURE_LOCK_SUPPORTED[];
// The state of the auto-white balance lock. "true" means that
// auto-white balance is locked to its current value and will not
// change. "false" means the auto-white balance routine is free to
// change white balance values. If auto-white balance is already
// locked, setting this to true again has no effect (the driver
// will not recalculate white balance values). Stopping preview or
// taking a still image will not change the lock. In conjunction
// with exposure compensation, this allows for capturing
// multi-exposure brackets with fixed white balance. Locking
// auto-white balance after open but before the first call to
// startPreview may result in severely incorrect color. The
// driver will not change the AWB lock after auto-focus
// completes.
static const char KEY_AUTO_WHITEBALANCE_LOCK[];
// Whether locking the auto-white balance is supported. "true"
// means it is, and "false" or this key not existing means it is
// not supported.
static const char KEY_AUTO_WHITEBALANCE_LOCK_SUPPORTED[];
// The maximum number of metering areas supported. This is the maximum
// length of KEY_METERING_AREAS.
// Example value: "0" or "2". Read only.
static const char KEY_MAX_NUM_METERING_AREAS[];
// Current metering areas. Camera driver uses these areas to decide
// exposure.
//
// Before accessing this parameter, apps should check
// KEY_MAX_NUM_METERING_AREAS first to know the maximum number of metering
// areas first. If the value is 0, metering area is not supported.
//
// Each metering area is a rectangle with specified weight. The direction is
// relative to the sensor orientation, that is, what the sensor sees. The
// direction is not affected by the rotation or mirroring of
// CAMERA_CMD_SET_DISPLAY_ORIENTATION. Coordinates of the rectangle range
// from -1000 to 1000. (-1000, -1000) is the upper left point. (1000, 1000)
// is the lower right point. The width and height of metering areas cannot
// be 0 or negative.
//
// The fifth element is the weight. Values for weight must range from 1 to
// 1000. The weight should be interpreted as a per-pixel weight - all
// pixels in the area have the specified weight. This means a small area
// with the same weight as a larger area will have less influence on the
// metering than the larger area. Metering areas can partially overlap and
// the driver will add the weights in the overlap region.
//
// A special case of all-zero single metering area means driver to decide
// the metering area. For example, the driver may use more signals to decide
// metering areas and change them dynamically. Apps can set all-zero if they
// want the driver to decide metering areas.
//
// Metering areas are relative to the current field of view (KEY_ZOOM).
// No matter what the zoom level is, (-1000,-1000) represents the top of the
// currently visible camera frame. The metering area cannot be set to be
// outside the current field of view, even when using zoom.
//
// No matter what metering areas are, the final exposure are compensated
// by KEY_EXPOSURE_COMPENSATION.
// Example value: "(-10,-10,0,0,300),(0,0,10,10,700)". Read/write.
static const char KEY_METERING_AREAS[];
// Current zoom value.
// Example value: "0" or "6". Read/write.
static const char KEY_ZOOM[];
// Maximum zoom value.
// Example value: "6". Read only.
static const char KEY_MAX_ZOOM[];
// The zoom ratios of all zoom values. The zoom ratio is in 1/100
// increments. Ex: a zoom of 3.2x is returned as 320. The number of list
// elements is KEY_MAX_ZOOM + 1. The first element is always 100. The last
// element is the zoom ratio of zoom value KEY_MAX_ZOOM.
// Example value: "100,150,200,250,300,350,400". Read only.
static const char KEY_ZOOM_RATIOS[];
// Whether zoom is supported. Zoom is supported if the value is "true". Zoom
// is not supported if the value is not "true" or the key does not exist.
// Example value: "true". Read only.
static const char KEY_ZOOM_SUPPORTED[];
// Whether if smooth zoom is supported. Smooth zoom is supported if the
// value is "true". It is not supported if the value is not "true" or the
// key does not exist.
// See CAMERA_CMD_START_SMOOTH_ZOOM, CAMERA_CMD_STOP_SMOOTH_ZOOM, and
// CAMERA_MSG_ZOOM in frameworks/base/include/camera/Camera.h.
// Example value: "true". Read only.
static const char KEY_SMOOTH_ZOOM_SUPPORTED[];
// The distances (in meters) from the camera to where an object appears to
// be in focus. The object is sharpest at the optimal focus distance. The
// depth of field is the far focus distance minus near focus distance.
//
// Focus distances may change after starting auto focus, canceling auto
// focus, or starting the preview. Applications can read this anytime to get
// the latest focus distances. If the focus mode is FOCUS_MODE_CONTINUOUS,
// focus distances may change from time to time.
//
// This is intended to estimate the distance between the camera and the
// subject. After autofocus, the subject distance may be within near and far
// focus distance. However, the precision depends on the camera hardware,
// autofocus algorithm, the focus area, and the scene. The error can be
// large and it should be only used as a reference.
//
// Far focus distance > optimal focus distance > near focus distance. If
// the far focus distance is infinity, the value should be "Infinity" (case
// sensitive). The format is three float values separated by commas. The
// first is near focus distance. The second is optimal focus distance. The
// third is far focus distance.
// Example value: "0.95,1.9,Infinity" or "0.049,0.05,0.051". Read only.
static const char KEY_FOCUS_DISTANCES[];
// The current dimensions in pixels (width x height) for video frames.
// The width and height must be one of the supported sizes retrieved
// via KEY_SUPPORTED_VIDEO_SIZES.
// Example value: "1280x720". Read/write.
static const char KEY_VIDEO_SIZE[];
// A list of the supported dimensions in pixels (width x height)
// for video frames. See CAMERA_MSG_VIDEO_FRAME for details in
// frameworks/base/include/camera/Camera.h.
// Example: "176x144,1280x720". Read only.
static const char KEY_SUPPORTED_VIDEO_SIZES[];
// The maximum number of detected faces supported by hardware face
// detection. If the value is 0, hardware face detection is not supported.
// Example: "5". Read only
static const char KEY_MAX_NUM_DETECTED_FACES_HW[];
// The maximum number of detected faces supported by software face
// detection. If the value is 0, software face detection is not supported.
// Example: "5". Read only
static const char KEY_MAX_NUM_DETECTED_FACES_SW[];
// Preferred preview frame size in pixels for video recording.
// The width and height must be one of the supported sizes retrieved
// via KEY_SUPPORTED_PREVIEW_SIZES. This key can be used only when
// getSupportedVideoSizes() does not return an empty Vector of Size.
// Camcorder applications are recommended to set the preview size
// to a value that is not larger than the preferred preview size.
// In other words, the product of the width and height of the
// preview size should not be larger than that of the preferred
// preview size. In addition, we recommend to choos a preview size
// that has the same aspect ratio as the resolution of video to be
// recorded.
// Example value: "800x600". Read only.
static const char KEY_PREFERRED_PREVIEW_SIZE_FOR_VIDEO[];
// The image format for video frames. See CAMERA_MSG_VIDEO_FRAME in
// frameworks/base/include/camera/Camera.h.
// Example value: "yuv420sp" or PIXEL_FORMAT_XXX constants. Read only.
static const char KEY_VIDEO_FRAME_FORMAT[];
// Sets the hint of the recording mode. If this is true, MediaRecorder.start
// may be faster or has less glitches. This should be called before starting
// the preview for the best result. But it is allowed to change the hint
// while the preview is active. The default value is false.
//
// The apps can still call Camera.takePicture when the hint is true. The
// apps can call MediaRecorder.start when the hint is false. But the
// performance may be worse.
// Example value: "true" or "false". Read/write.
static const char KEY_RECORDING_HINT[];
// Returns true if video snapshot is supported. That is, applications
// can call Camera.takePicture during recording. Applications do not need to
// call Camera.startPreview after taking a picture. The preview will be
// still active. Other than that, taking a picture during recording is
// identical to taking a picture normally. All settings and methods related
// to takePicture work identically. Ex: KEY_PICTURE_SIZE,
// KEY_SUPPORTED_PICTURE_SIZES, KEY_JPEG_QUALITY, KEY_ROTATION, and etc.
// The picture will have an EXIF header. FLASH_MODE_AUTO and FLASH_MODE_ON
// also still work, but the video will record the flash.
//
// Applications can set shutter callback as null to avoid the shutter
// sound. It is also recommended to set raw picture and post view callbacks
// to null to avoid the interrupt of preview display.
//
// Field-of-view of the recorded video may be different from that of the
// captured pictures.
// Example value: "true" or "false". Read only.
static const char KEY_VIDEO_SNAPSHOT_SUPPORTED[];
// The state of the video stabilization. If set to true, both the
// preview stream and the recorded video stream are stabilized by
// the camera. Only valid to set if KEY_VIDEO_STABILIZATION_SUPPORTED is
// set to true.
//
// The value of this key can be changed any time the camera is
// open. If preview or recording is active, it is acceptable for
// there to be a slight video glitch when video stabilization is
// toggled on and off.
//
// This only stabilizes video streams (between-frames stabilization), and
// has no effect on still image capture.
static const char KEY_VIDEO_STABILIZATION[];
// Returns true if video stabilization is supported. That is, applications
// can set KEY_VIDEO_STABILIZATION to true and have a stabilized preview
// stream and record stabilized videos.
static const char KEY_VIDEO_STABILIZATION_SUPPORTED[];
// Supported modes for special effects with light.
// Example values: "lowlight,hdr".
static const char KEY_LIGHTFX[];
// Value for KEY_ZOOM_SUPPORTED or KEY_SMOOTH_ZOOM_SUPPORTED.
static const char TRUE[];
static const char FALSE[];
// Value for KEY_FOCUS_DISTANCES.
static const char FOCUS_DISTANCE_INFINITY[];
// Values for white balance settings.
static const char WHITE_BALANCE_AUTO[];
static const char WHITE_BALANCE_INCANDESCENT[];
static const char WHITE_BALANCE_FLUORESCENT[];
static const char WHITE_BALANCE_WARM_FLUORESCENT[];
static const char WHITE_BALANCE_DAYLIGHT[];
static const char WHITE_BALANCE_CLOUDY_DAYLIGHT[];
static const char WHITE_BALANCE_TWILIGHT[];
static const char WHITE_BALANCE_SHADE[];
// Values for effect settings.
static const char EFFECT_NONE[];
static const char EFFECT_MONO[];
static const char EFFECT_NEGATIVE[];
static const char EFFECT_SOLARIZE[];
static const char EFFECT_SEPIA[];
static const char EFFECT_POSTERIZE[];
static const char EFFECT_WHITEBOARD[];
static const char EFFECT_BLACKBOARD[];
static const char EFFECT_AQUA[];
// Values for antibanding settings.
static const char ANTIBANDING_AUTO[];
static const char ANTIBANDING_50HZ[];
static const char ANTIBANDING_60HZ[];
static const char ANTIBANDING_OFF[];
// Values for flash mode settings.
// Flash will not be fired.
static const char FLASH_MODE_OFF[];
// Flash will be fired automatically when required. The flash may be fired
// during preview, auto-focus, or snapshot depending on the driver.
static const char FLASH_MODE_AUTO[];
// Flash will always be fired during snapshot. The flash may also be
// fired during preview or auto-focus depending on the driver.
static const char FLASH_MODE_ON[];
// Flash will be fired in red-eye reduction mode.
static const char FLASH_MODE_RED_EYE[];
// Constant emission of light during preview, auto-focus and snapshot.
// This can also be used for video recording.
static const char FLASH_MODE_TORCH[];
// Values for scene mode settings.
static const char SCENE_MODE_AUTO[];
static const char SCENE_MODE_ACTION[];
static const char SCENE_MODE_PORTRAIT[];
static const char SCENE_MODE_LANDSCAPE[];
static const char SCENE_MODE_NIGHT[];
static const char SCENE_MODE_NIGHT_PORTRAIT[];
static const char SCENE_MODE_THEATRE[];
static const char SCENE_MODE_BEACH[];
static const char SCENE_MODE_SNOW[];
static const char SCENE_MODE_SUNSET[];
static const char SCENE_MODE_STEADYPHOTO[];
static const char SCENE_MODE_FIREWORKS[];
static const char SCENE_MODE_SPORTS[];
static const char SCENE_MODE_PARTY[];
static const char SCENE_MODE_CANDLELIGHT[];
// Applications are looking for a barcode. Camera driver will be optimized
// for barcode reading.
static const char SCENE_MODE_BARCODE[];
// A high-dynamic range mode. In this mode, the HAL module will use a
// capture strategy that extends the dynamic range of the captured
// image in some fashion. Only the final image is returned.
static const char SCENE_MODE_HDR[];
// Pixel color formats for KEY_PREVIEW_FORMAT, KEY_PICTURE_FORMAT,
// and KEY_VIDEO_FRAME_FORMAT
static const char PIXEL_FORMAT_YUV422SP[];
static const char PIXEL_FORMAT_YUV420SP[]; // NV21
static const char PIXEL_FORMAT_YUV422I[]; // YUY2
static const char PIXEL_FORMAT_YUV420P[]; // YV12
static const char PIXEL_FORMAT_RGB565[];
static const char PIXEL_FORMAT_RGBA8888[];
static const char PIXEL_FORMAT_JPEG[];
// Raw bayer format used for images, which is 10 bit precision samples
// stored in 16 bit words. The filter pattern is RGGB.
static const char PIXEL_FORMAT_BAYER_RGGB[];
// Pixel format is not known to the framework
static const char PIXEL_FORMAT_ANDROID_OPAQUE[];
// Values for focus mode settings.
// Auto-focus mode. Applications should call
// CameraHardwareInterface.autoFocus to start the focus in this mode.
static const char FOCUS_MODE_AUTO[];
// Focus is set at infinity. Applications should not call
// CameraHardwareInterface.autoFocus in this mode.
static const char FOCUS_MODE_INFINITY[];
// Macro (close-up) focus mode. Applications should call
// CameraHardwareInterface.autoFocus to start the focus in this mode.
static const char FOCUS_MODE_MACRO[];
// Focus is fixed. The camera is always in this mode if the focus is not
// adjustable. If the camera has auto-focus, this mode can fix the
// focus, which is usually at hyperfocal distance. Applications should
// not call CameraHardwareInterface.autoFocus in this mode.
static const char FOCUS_MODE_FIXED[];
// Extended depth of field (EDOF). Focusing is done digitally and
// continuously. Applications should not call
// CameraHardwareInterface.autoFocus in this mode.
static const char FOCUS_MODE_EDOF[];
// Continuous auto focus mode intended for video recording. The camera
// continuously tries to focus. This is the best choice for video
// recording because the focus changes smoothly . Applications still can
// call CameraHardwareInterface.takePicture in this mode but the subject may
// not be in focus. Auto focus starts when the parameter is set.
//
// Applications can call CameraHardwareInterface.autoFocus in this mode. The
// focus callback will immediately return with a boolean that indicates
// whether the focus is sharp or not. The focus position is locked after
// autoFocus call. If applications want to resume the continuous focus,
// cancelAutoFocus must be called. Restarting the preview will not resume
// the continuous autofocus. To stop continuous focus, applications should
// change the focus mode to other modes.
static const char FOCUS_MODE_CONTINUOUS_VIDEO[];
// Continuous auto focus mode intended for taking pictures. The camera
// continuously tries to focus. The speed of focus change is more aggressive
// than FOCUS_MODE_CONTINUOUS_VIDEO. Auto focus starts when the parameter is
// set.
//
// Applications can call CameraHardwareInterface.autoFocus in this mode. If
// the autofocus is in the middle of scanning, the focus callback will
// return when it completes. If the autofocus is not scanning, focus
// callback will immediately return with a boolean that indicates whether
// the focus is sharp or not. The apps can then decide if they want to take
// a picture immediately or to change the focus mode to auto, and run a full
// autofocus cycle. The focus position is locked after autoFocus call. If
// applications want to resume the continuous focus, cancelAutoFocus must be
// called. Restarting the preview will not resume the continuous autofocus.
// To stop continuous focus, applications should change the focus mode to
// other modes.
static const char FOCUS_MODE_CONTINUOUS_PICTURE[];
// Values for light special effects
// Low-light enhancement mode
static const char LIGHTFX_LOWLIGHT[];
// High-dynamic range mode
static const char LIGHTFX_HDR[];
/**
* Returns the the supported preview formats as an enum given in graphics.h
* corrsponding to the format given in the input string or -1 if no such
* conversion exists.
*/
static int previewFormatToEnum(const char* format);
private:
DefaultKeyedVector<String8,String8> mMap;
};
};
};
};
};
};
}; // namespace
#endif