diff options
| -rw-r--r-- | include/system/camera.h | 50 |
1 files changed, 44 insertions, 6 deletions
diff --git a/include/system/camera.h b/include/system/camera.h index 58e0c6f..a3da52e 100644 --- a/include/system/camera.h +++ b/include/system/camera.h @@ -80,6 +80,7 @@ enum { CAMERA_MSG_RAW_IMAGE = 0x0080, CAMERA_MSG_COMPRESSED_IMAGE = 0x0100, CAMERA_MSG_RAW_IMAGE_NOTIFY = 0x0200, + CAMERA_MSG_FACE = 0x0400, CAMERA_MSG_ALL_MSGS = 0xFFFF }; @@ -87,7 +88,9 @@ enum { enum { CAMERA_CMD_START_SMOOTH_ZOOM = 1, CAMERA_CMD_STOP_SMOOTH_ZOOM = 2, - /** Set the clockwise rotation of preview display (setPreviewDisplay) in + + /** + * Set the clockwise rotation of preview display (setPreviewDisplay) in * degrees. This affects the preview frames and the picture displayed after * snapshot. This method is useful for portrait mode applications. Note * that preview display of front-facing cameras is flipped horizontally @@ -103,13 +106,38 @@ enum { */ CAMERA_CMD_SET_DISPLAY_ORIENTATION = 3, - /** cmdType to disable/enable shutter sound. In sendCommand passing arg1 = + /** + * cmdType to disable/enable shutter sound. In sendCommand passing arg1 = * 0 will disable, while passing arg1 = 1 will enable the shutter sound. */ CAMERA_CMD_ENABLE_SHUTTER_SOUND = 4, /* cmdType to play recording sound */ CAMERA_CMD_PLAY_RECORDING_SOUND = 5, + + /** + * Start the face detection. This should be called after preview is started. + * The camera will notify the listener of CAMERA_MSG_FACE and the detected + * faces in the preview frame. The detected faces may be the same as the + * previous ones. Apps should call CAMERA_CMD_STOP_FACE_DETECTION to stop + * the face detection. This method is supported if CameraParameters + * KEY_MAX_NUM_HW_DETECTED_FACES or KEY_MAX_NUM_SW_DETECTED_FACES is + * bigger than 0. Hardware and software face detection should not be running + * at the same time. If the face detection has started, apps should not send + * this again. + * + * In hardware face detection mode, CameraParameters KEY_WHITE_BALANCE, + * KEY_FOCUS_AREAS and KEY_METERING_AREAS have no effect. + * + * arg1 is the face detection type. It can be CAMERA_FACE_DETECTION_HW or + * CAMERA_FACE_DETECTION_SW. + */ + CAMERA_CMD_START_FACE_DETECTION = 6, + + /** + * Stop the face detection. + */ + CAMERA_CMD_STOP_FACE_DETECTION = 7, }; /** camera fatal errors */ @@ -119,10 +147,20 @@ enum { }; enum { - CAMERA_FACING_BACK = 0, /** The facing of the camera is opposite to that of - * the screen. */ - CAMERA_FACING_FRONT = 1 /** The facing of the camera is the same as that of - * the screen. */ + /** The facing of the camera is opposite to that of the screen. */ + CAMERA_FACING_BACK = 0, + /** The facing of the camera is the same as that of the screen. */ + CAMERA_FACING_FRONT = 1 +}; + +enum { + /** Hardware face detection. It does not use much CPU. */ + CAMERA_FACE_DETECTION_HW = 0, + /** + * Software face detection. It uses some CPU. Applications must use + * Camera.setPreviewTexture for preview in this mode. + */ + CAMERA_FACE_DETECTION_SW = 1 }; __END_DECLS |