@ -837,10 +837,13 @@ typedef enum acamera_metadata_tag {
*
* < p > This control ( except for MANUAL ) is only effective if
* < code > ACAMERA_CONTROL_MODE ! = OFF < / code > and any 3 A routine is active . < / p >
* < p > ZERO_SHUTTER_LAG will be supported if ACAMERA_REQUEST_AVAILABLE_CAPABILITIES
* contains PRIVATE_REPROCESSING or YUV_REPROCESSING . MANUAL will be supported if
* ACAMERA_REQUEST_AVAILABLE_CAPABILITIES contains MANUAL_SENSOR . Other intent values are
* always supported . < / p >
* < p > All intents are supported by all devices , except that :
* * ZERO_SHUTTER_LAG will be supported if ACAMERA_REQUEST_AVAILABLE_CAPABILITIES contains
* PRIVATE_REPROCESSING or YUV_REPROCESSING .
* * MANUAL will be supported if ACAMERA_REQUEST_AVAILABLE_CAPABILITIES contains
* MANUAL_SENSOR .
* * MOTION_TRACKING will be supported if ACAMERA_REQUEST_AVAILABLE_CAPABILITIES contains
* MOTION_TRACKING . < / p >
*
* @ see ACAMERA_CONTROL_MODE
* @ see ACAMERA_REQUEST_AVAILABLE_CAPABILITIES
@ -2235,34 +2238,31 @@ typedef enum acamera_metadata_tag {
* < / ul > < / p >
*
* < p > The position of the camera device ' s lens optical center ,
* as a three - dimensional vector < code > ( x , y , z ) < / code > , relative to the
* optical center of the largest camera device facing in the
* same direction as this camera , in the < a href = " https://developer.android.com/reference/android/hardware/SensorEvent.html " > Android sensor coordinate
* axes < / a > . Note that only the axis definitions are shared with
* the sensor coordinate system , but not the origin . < / p >
* < p > If this device is the largest or only camera device with a
* given facing , then this position will be < code > ( 0 , 0 , 0 ) < / code > ; a
* camera device with a lens optical center located 3 cm from
* the main sensor along the + X axis ( to the right from the
* user ' s perspective ) will report < code > ( 0.03 , 0 , 0 ) < / code > . < / p >
* < p > To transform a pixel coordinates between two cameras
* facing the same direction , first the source camera
* ACAMERA_LENS_RADIAL_DISTORTION must be corrected for . Then
* the source camera ACAMERA_LENS_INTRINSIC_CALIBRATION needs
* to be applied , followed by the ACAMERA_LENS_POSE_ROTATION
* of the source camera , the translation of the source camera
* relative to the destination camera , the
* ACAMERA_LENS_POSE_ROTATION of the destination camera , and
* finally the inverse of ACAMERA_LENS_INTRINSIC_CALIBRATION
* of the destination camera . This obtains a
* radial - distortion - free coordinate in the destination
* camera pixel coordinates . < / p >
* < p > To compare this against a real image from the destination
* camera , the destination camera image then needs to be
* corrected for radial distortion before comparison or
* sampling . < / p >
* as a three - dimensional vector < code > ( x , y , z ) < / code > . < / p >
* < p > Prior to Android P , or when ACAMERA_LENS_POSE_REFERENCE is PRIMARY_CAMERA , this position
* is relative to the optical center of the largest camera device facing in the same
* direction as this camera , in the < a href = " https://developer.android.com/reference/android/hardware/SensorEvent.html " > Android sensor
* coordinate axes < / a > . Note that only the axis definitions are shared with the sensor
* coordinate system , but not the origin . < / p >
* < p > If this device is the largest or only camera device with a given facing , then this
* position will be < code > ( 0 , 0 , 0 ) < / code > ; a camera device with a lens optical center located 3 cm
* from the main sensor along the + X axis ( to the right from the user ' s perspective ) will
* report < code > ( 0.03 , 0 , 0 ) < / code > . < / p >
* < p > To transform a pixel coordinates between two cameras facing the same direction , first
* the source camera ACAMERA_LENS_RADIAL_DISTORTION must be corrected for . Then the source
* camera ACAMERA_LENS_INTRINSIC_CALIBRATION needs to be applied , followed by the
* ACAMERA_LENS_POSE_ROTATION of the source camera , the translation of the source camera
* relative to the destination camera , the ACAMERA_LENS_POSE_ROTATION of the destination
* camera , and finally the inverse of ACAMERA_LENS_INTRINSIC_CALIBRATION of the destination
* camera . This obtains a radial - distortion - free coordinate in the destination camera pixel
* coordinates . < / p >
* < p > To compare this against a real image from the destination camera , the destination camera
* image then needs to be corrected for radial distortion before comparison or sampling . < / p >
* < p > When ACAMERA_LENS_POSE_REFERENCE is GYROSCOPE , then this position is relative to
* the center of the primary gyroscope on the device . < / p >
*
* @ see ACAMERA_LENS_INTRINSIC_CALIBRATION
* @ see ACAMERA_LENS_POSE_REFERENCE
* @ see ACAMERA_LENS_POSE_ROTATION
* @ see ACAMERA_LENS_RADIAL_DISTORTION
*/
@ -2433,6 +2433,26 @@ typedef enum acamera_metadata_tag {
*/
ACAMERA_LENS_RADIAL_DISTORTION = // float[6]
ACAMERA_LENS_START + 11 ,
/**
* < p > The origin for ACAMERA_LENS_POSE_TRANSLATION . < / p >
*
* @ see ACAMERA_LENS_POSE_TRANSLATION
*
* < p > Type : byte ( acamera_metadata_enum_android_lens_pose_reference_t ) < / p >
*
* < p > This tag may appear in :
* < ul >
* < li > ACameraMetadata from ACameraManager_getCameraCharacteristics < / li >
* < / ul > < / p >
*
* < p > Different calibration methods and use cases can produce better or worse results
* depending on the selected coordinate origin . < / p >
* < p > For devices designed to support the MOTION_TRACKING capability , the GYROSCOPE origin
* makes device calibration and later usage by applications combining camera and gyroscope
* information together simpler . < / p >
*/
ACAMERA_LENS_POSE_REFERENCE = // byte (acamera_metadata_enum_android_lens_pose_reference_t)
ACAMERA_LENS_START + 12 ,
ACAMERA_LENS_END ,
/**
@ -2895,7 +2915,7 @@ typedef enum acamera_metadata_tag {
* time - consuming hardware re - configuration or internal camera pipeline
* change . For performance reasons we advise clients to pass their initial
* values as part of
* { @ link ACameraDevice_createCaptureSessionWithSessionParameters } . i
* { @ link ACameraDevice_createCaptureSessionWithSessionParameters } .
* Once the camera capture session is enabled it is also recommended to avoid
* changing them from their initial values set in
* { @ link ACameraDevice_createCaptureSessionWithSessionParameters } .
@ -5717,6 +5737,15 @@ typedef enum acamera_metadata_enum_acamera_control_capture_intent {
*/
ACAMERA_CONTROL_CAPTURE_INTENT_MANUAL = 6 ,
/**
* < p > This request is for a motion tracking use case , where
* the application will use camera and inertial sensor data to
* locate and track objects in the world . < / p >
* < p > The camera device auto - exposure routine will limit the exposure time
* of the camera to no more than 20 milliseconds , to minimize motion blur . < / p >
*/
ACAMERA_CONTROL_CAPTURE_INTENT_MOTION_TRACKING = 7 ,
} acamera_metadata_enum_android_control_capture_intent_t ;
// ACAMERA_CONTROL_EFFECT_MODE
@ -6428,6 +6457,28 @@ typedef enum acamera_metadata_enum_acamera_lens_state {
} acamera_metadata_enum_android_lens_state_t ;
// ACAMERA_LENS_POSE_REFERENCE
typedef enum acamera_metadata_enum_acamera_lens_pose_reference {
/**
* < p > The value of ACAMERA_LENS_POSE_TRANSLATION is relative to the optical center of
* the largest camera device facing the same direction as this camera . < / p >
* < p > This default value for API levels before Android P . < / p >
*
* @ see ACAMERA_LENS_POSE_TRANSLATION
*/
ACAMERA_LENS_POSE_REFERENCE_PRIMARY_CAMERA = 0 ,
/**
* < p > The value of ACAMERA_LENS_POSE_TRANSLATION is relative to the position of the
* primary gyroscope of this Android device . < / p >
* < p > This is the value reported by all devices that support the MOTION_TRACKING capability . < / p >
*
* @ see ACAMERA_LENS_POSE_TRANSLATION
*/
ACAMERA_LENS_POSE_REFERENCE_GYROSCOPE = 1 ,
} acamera_metadata_enum_android_lens_pose_reference_t ;
// ACAMERA_LENS_INFO_FOCUS_DISTANCE_CALIBRATION
typedef enum acamera_metadata_enum_acamera_lens_info_focus_distance_calibration {
@ -6760,6 +6811,7 @@ typedef enum acamera_metadata_enum_acamera_request_available_capabilities {
* < / ul >
* < / li >
* < li > The ACAMERA_DEPTH_DEPTH_IS_EXCLUSIVE entry is listed by this device . < / li >
* < li > As of Android P , the ACAMERA_LENS_POSE_REFERENCE entry is listed by this device . < / li >
* < li > A LIMITED camera with only the DEPTH_OUTPUT capability does not have to support
* normal YUV_420_888 , JPEG , and PRIV - format outputs . It only has to support the DEPTH16
* format . < / li >
@ -6775,12 +6827,57 @@ typedef enum acamera_metadata_enum_acamera_request_available_capabilities {
* @ see ACAMERA_DEPTH_DEPTH_IS_EXCLUSIVE
* @ see ACAMERA_LENS_FACING
* @ see ACAMERA_LENS_INTRINSIC_CALIBRATION
* @ see ACAMERA_LENS_POSE_REFERENCE
* @ see ACAMERA_LENS_POSE_ROTATION
* @ see ACAMERA_LENS_POSE_TRANSLATION
* @ see ACAMERA_LENS_RADIAL_DISTORTION
*/
ACAMERA_REQUEST_AVAILABLE_CAPABILITIES_DEPTH_OUTPUT = 8 ,
/**
* < p > The device supports controls and metadata required for accurate motion tracking for
* use cases such as augmented reality , electronic image stabilization , and so on . < / p >
* < p > This means this camera device has accurate optical calibration and timestamps relative
* to the inertial sensors . < / p >
* < p > This capability requires the camera device to support the following : < / p >
* < ul >
* < li > Capture request templates < a href = " https://developer.android.com/reference/android/hardware/camera2/CameraDevice.html#TEMPLATE_MOTION_TRACKING_PREVIEW " > CameraDevice # TEMPLATE_MOTION_TRACKING_PREVIEW < / a > and < a href = " https://developer.android.com/reference/android/hardware/camera2/CameraDevice.html#TEMPLATE_MOTION_TRACKING_BEST " > CameraDevice # TEMPLATE_MOTION_TRACKING_BEST < / a > are defined . < / li >
* < li > The stream configurations listed in < a href = " https://developer.android.com/reference/android/hardware/camera2/CameraDevice.html#createCaptureSession " > CameraDevice # createCaptureSession < / a > for MOTION_TRACKING are
* supported , either at 30 or 60f ps maximum frame rate . < / li >
* < li > The following camera characteristics and capture result metadata are provided : < ul >
* < li > ACAMERA_LENS_INTRINSIC_CALIBRATION < / li >
* < li > ACAMERA_LENS_RADIAL_DISTORTION < / li >
* < li > ACAMERA_LENS_POSE_ROTATION < / li >
* < li > ACAMERA_LENS_POSE_TRANSLATION < / li >
* < li > ACAMERA_LENS_POSE_REFERENCE with value GYROSCOPE < / li >
* < / ul >
* < / li >
* < li > The ACAMERA_SENSOR_INFO_TIMESTAMP_SOURCE field has value < code > REALTIME < / code > . When compared to
* timestamps from the device ' s gyroscopes , the clock difference for events occuring at
* the same actual time instant will be less than 1 ms . < / li >
* < li > The value of the ACAMERA_SENSOR_ROLLING_SHUTTER_SKEW field is accurate to within 1 ms . < / li >
* < li > The value of ACAMERA_SENSOR_EXPOSURE_TIME is guaranteed to be available in the
* capture result . < / li >
* < li > The ACAMERA_CONTROL_CAPTURE_INTENT control supports MOTION_TRACKING to limit maximum
* exposure to 20 milliseconds . < / li >
* < li > The stream configurations required for MOTION_TRACKING ( listed at < a href = " https://developer.android.com/reference/android/hardware/camera2/CameraDevice.html#createCaptureSession " > CameraDevice # createCaptureSession < / a > ) can operate at least at
* 30f ps ; optionally , they can operate at 60f ps , and ' [ 60 , 60 ] ' is listed in
* ACAMERA_CONTROL_AE_AVAILABLE_TARGET_FPS_RANGES . < / li >
* < / ul >
*
* @ see ACAMERA_CONTROL_AE_AVAILABLE_TARGET_FPS_RANGES
* @ see ACAMERA_CONTROL_CAPTURE_INTENT
* @ see ACAMERA_LENS_INTRINSIC_CALIBRATION
* @ see ACAMERA_LENS_POSE_REFERENCE
* @ see ACAMERA_LENS_POSE_ROTATION
* @ see ACAMERA_LENS_POSE_TRANSLATION
* @ see ACAMERA_LENS_RADIAL_DISTORTION
* @ see ACAMERA_SENSOR_EXPOSURE_TIME
* @ see ACAMERA_SENSOR_INFO_TIMESTAMP_SOURCE
* @ see ACAMERA_SENSOR_ROLLING_SHUTTER_SKEW
*/
ACAMERA_REQUEST_AVAILABLE_CAPABILITIES_MOTION_TRACKING = 10 ,
} acamera_metadata_enum_android_request_available_capabilities_t ;
Eino-Ville Talvala
7 years ago