diff options
| -rw-r--r-- | camera/CameraParameters.cpp | 3 | ||||
| -rw-r--r-- | include/camera/CameraParameters.h | 20 |
2 files changed, 23 insertions, 0 deletions
diff --git a/camera/CameraParameters.cpp b/camera/CameraParameters.cpp index 214cd4d..4f3da40 100644 --- a/camera/CameraParameters.cpp +++ b/camera/CameraParameters.cpp @@ -68,6 +68,8 @@ const char CameraParameters::KEY_EXPOSURE_COMPENSATION[] = "exposure-compensatio const char CameraParameters::KEY_MAX_EXPOSURE_COMPENSATION[] = "max-exposure-compensation"; const char CameraParameters::KEY_MIN_EXPOSURE_COMPENSATION[] = "min-exposure-compensation"; const char CameraParameters::KEY_EXPOSURE_COMPENSATION_STEP[] = "exposure-compensation-step"; +const char CameraParameters::KEY_AUTO_EXPOSURE_LOCK[] = "auto-exposure-lock"; +const char CameraParameters::KEY_AUTO_EXPOSURE_LOCK_SUPPORTED[] = "auto-exposure-lock-supported"; const char CameraParameters::KEY_MAX_NUM_METERING_AREAS[] = "max-num-metering-areas"; const char CameraParameters::KEY_METERING_AREAS[] = "metering-areas"; const char CameraParameters::KEY_ZOOM[] = "zoom"; @@ -82,6 +84,7 @@ const char CameraParameters::KEY_SUPPORTED_VIDEO_SIZES[] = "video-size-values"; const char CameraParameters::KEY_PREFERRED_PREVIEW_SIZE_FOR_VIDEO[] = "preferred-preview-size-for-video"; const char CameraParameters::TRUE[] = "true"; +const char CameraParameters::FALSE[] = "false"; const char CameraParameters::FOCUS_DISTANCE_INFINITY[] = "Infinity"; // Values for white balance settings. diff --git a/include/camera/CameraParameters.h b/include/camera/CameraParameters.h index db81721..513239f 100644 --- a/include/camera/CameraParameters.h +++ b/include/camera/CameraParameters.h @@ -309,6 +309,25 @@ public: // 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 settings. Changing + // exposure compensation settings will still affect the exposure settings + // while auto-exposure is locked. Stopping preview or taking a still image + // will release the lock. However, the lock can be re-enabled prior to + // preview being re-started, to keep the exposure values from the previous + // 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 cal to + // startPreview may result in severly over- or under-exposed images. The + // driver may independently enable the AE lock after auto-focus + // completes. If it does so, this key must have its value updated to reflect + // the lock's existence. Applications are free to release such a lock, to + // re-enable AE without restarting preview. + 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 maximum number of metering areas supported. This is the maximum // length of KEY_METERING_AREAS. // Example value: "0" or "2". Read only. @@ -428,6 +447,7 @@ public: // 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[]; |