camera.h revision 41693fa555101e348a4ab80990b21197347892c1
141693fa555101e348a4ab80990b21197347892c1Iliyan Malchev/* 241693fa555101e348a4ab80990b21197347892c1Iliyan Malchev * Copyright (C) 2010-2011 The Android Open Source Project 341693fa555101e348a4ab80990b21197347892c1Iliyan Malchev * 441693fa555101e348a4ab80990b21197347892c1Iliyan Malchev * Licensed under the Apache License, Version 2.0 (the "License"); 541693fa555101e348a4ab80990b21197347892c1Iliyan Malchev * you may not use this file except in compliance with the License. 641693fa555101e348a4ab80990b21197347892c1Iliyan Malchev * You may obtain a copy of the License at 741693fa555101e348a4ab80990b21197347892c1Iliyan Malchev * 841693fa555101e348a4ab80990b21197347892c1Iliyan Malchev * http://www.apache.org/licenses/LICENSE-2.0 941693fa555101e348a4ab80990b21197347892c1Iliyan Malchev * 1041693fa555101e348a4ab80990b21197347892c1Iliyan Malchev * Unless required by applicable law or agreed to in writing, software 1141693fa555101e348a4ab80990b21197347892c1Iliyan Malchev * distributed under the License is distributed on an "AS IS" BASIS, 1241693fa555101e348a4ab80990b21197347892c1Iliyan Malchev * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 1341693fa555101e348a4ab80990b21197347892c1Iliyan Malchev * See the License for the specific language governing permissions and 1441693fa555101e348a4ab80990b21197347892c1Iliyan Malchev * limitations under the License. 1541693fa555101e348a4ab80990b21197347892c1Iliyan Malchev */ 1641693fa555101e348a4ab80990b21197347892c1Iliyan Malchev 1741693fa555101e348a4ab80990b21197347892c1Iliyan Malchev// FIXME: add well-defined names for cameras 1841693fa555101e348a4ab80990b21197347892c1Iliyan Malchev 1941693fa555101e348a4ab80990b21197347892c1Iliyan Malchev#ifndef ANDROID_INCLUDE_CAMERA_H 2041693fa555101e348a4ab80990b21197347892c1Iliyan Malchev#define ANDROID_INCLUDE_CAMERA_H 2141693fa555101e348a4ab80990b21197347892c1Iliyan Malchev 2241693fa555101e348a4ab80990b21197347892c1Iliyan Malchev#include <stdint.h> 2341693fa555101e348a4ab80990b21197347892c1Iliyan Malchev#include <sys/cdefs.h> 2441693fa555101e348a4ab80990b21197347892c1Iliyan Malchev#include <sys/types.h> 2541693fa555101e348a4ab80990b21197347892c1Iliyan Malchev#include <cutils/native_handle.h> 2641693fa555101e348a4ab80990b21197347892c1Iliyan Malchev#include <system/camera.h> 2741693fa555101e348a4ab80990b21197347892c1Iliyan Malchev#include <hardware/hardware.h> 2841693fa555101e348a4ab80990b21197347892c1Iliyan Malchev#include <hardware/gralloc.h> 2941693fa555101e348a4ab80990b21197347892c1Iliyan Malchev 3041693fa555101e348a4ab80990b21197347892c1Iliyan Malchev__BEGIN_DECLS 3141693fa555101e348a4ab80990b21197347892c1Iliyan Malchev 3241693fa555101e348a4ab80990b21197347892c1Iliyan Malchev/** 3341693fa555101e348a4ab80990b21197347892c1Iliyan Malchev * The id of this module 3441693fa555101e348a4ab80990b21197347892c1Iliyan Malchev */ 3541693fa555101e348a4ab80990b21197347892c1Iliyan Malchev#define CAMERA_HARDWARE_MODULE_ID "camera" 3641693fa555101e348a4ab80990b21197347892c1Iliyan Malchev 3741693fa555101e348a4ab80990b21197347892c1Iliyan Malchevstruct camera_info { 3841693fa555101e348a4ab80990b21197347892c1Iliyan Malchev /** 3941693fa555101e348a4ab80990b21197347892c1Iliyan Malchev * The direction that the camera faces to. It should be CAMERA_FACING_BACK 4041693fa555101e348a4ab80990b21197347892c1Iliyan Malchev * or CAMERA_FACING_FRONT. 4141693fa555101e348a4ab80990b21197347892c1Iliyan Malchev */ 4241693fa555101e348a4ab80990b21197347892c1Iliyan Malchev int facing; 4341693fa555101e348a4ab80990b21197347892c1Iliyan Malchev 4441693fa555101e348a4ab80990b21197347892c1Iliyan Malchev /** 4541693fa555101e348a4ab80990b21197347892c1Iliyan Malchev * The orientation of the camera image. The value is the angle that the 4641693fa555101e348a4ab80990b21197347892c1Iliyan Malchev * camera image needs to be rotated clockwise so it shows correctly on the 4741693fa555101e348a4ab80990b21197347892c1Iliyan Malchev * display in its natural orientation. It should be 0, 90, 180, or 270. 4841693fa555101e348a4ab80990b21197347892c1Iliyan Malchev * 4941693fa555101e348a4ab80990b21197347892c1Iliyan Malchev * For example, suppose a device has a naturally tall screen. The 5041693fa555101e348a4ab80990b21197347892c1Iliyan Malchev * back-facing camera sensor is mounted in landscape. You are looking at 5141693fa555101e348a4ab80990b21197347892c1Iliyan Malchev * the screen. If the top side of the camera sensor is aligned with the 5241693fa555101e348a4ab80990b21197347892c1Iliyan Malchev * right edge of the screen in natural orientation, the value should be 5341693fa555101e348a4ab80990b21197347892c1Iliyan Malchev * 90. If the top side of a front-facing camera sensor is aligned with the 5441693fa555101e348a4ab80990b21197347892c1Iliyan Malchev * right of the screen, the value should be 270. 5541693fa555101e348a4ab80990b21197347892c1Iliyan Malchev */ 5641693fa555101e348a4ab80990b21197347892c1Iliyan Malchev int orientation; 5741693fa555101e348a4ab80990b21197347892c1Iliyan Malchev}; 5841693fa555101e348a4ab80990b21197347892c1Iliyan Malchev 5941693fa555101e348a4ab80990b21197347892c1Iliyan Malchevtypedef struct camera_module { 6041693fa555101e348a4ab80990b21197347892c1Iliyan Malchev hw_module_t common; 6141693fa555101e348a4ab80990b21197347892c1Iliyan Malchev int (*get_number_of_cameras)(void); 6241693fa555101e348a4ab80990b21197347892c1Iliyan Malchev int (*get_camera_info)(int camera_id, struct camera_info *info); 6341693fa555101e348a4ab80990b21197347892c1Iliyan Malchev} camera_module_t; 6441693fa555101e348a4ab80990b21197347892c1Iliyan Malchev 6541693fa555101e348a4ab80990b21197347892c1Iliyan Malchevtypedef struct camera_memory { 6641693fa555101e348a4ab80990b21197347892c1Iliyan Malchev void *data; 6741693fa555101e348a4ab80990b21197347892c1Iliyan Malchev size_t size; 6841693fa555101e348a4ab80990b21197347892c1Iliyan Malchev void *handle; 6941693fa555101e348a4ab80990b21197347892c1Iliyan Malchev} camera_memory_t; 7041693fa555101e348a4ab80990b21197347892c1Iliyan Malchev 7141693fa555101e348a4ab80990b21197347892c1Iliyan Malchevtypedef camera_memory_t* (*camera_request_memory)(size_t size, void *user); 7241693fa555101e348a4ab80990b21197347892c1Iliyan Malchev 7341693fa555101e348a4ab80990b21197347892c1Iliyan Malchevtypedef void (*camera_notify_callback)(int32_t msg_type, 7441693fa555101e348a4ab80990b21197347892c1Iliyan Malchev int32_t ext1, 7541693fa555101e348a4ab80990b21197347892c1Iliyan Malchev int32_t ext2, 7641693fa555101e348a4ab80990b21197347892c1Iliyan Malchev void *user); 7741693fa555101e348a4ab80990b21197347892c1Iliyan Malchev 7841693fa555101e348a4ab80990b21197347892c1Iliyan Malchevtypedef void (*camera_data_callback)(int32_t msg_type, 7941693fa555101e348a4ab80990b21197347892c1Iliyan Malchev const camera_memory_t *data, 8041693fa555101e348a4ab80990b21197347892c1Iliyan Malchev void *user); 8141693fa555101e348a4ab80990b21197347892c1Iliyan Malchev 8241693fa555101e348a4ab80990b21197347892c1Iliyan Malchevtypedef void (*camera_data_timestamp_callback)(int64_t timestamp, 8341693fa555101e348a4ab80990b21197347892c1Iliyan Malchev int32_t msg_type, 8441693fa555101e348a4ab80990b21197347892c1Iliyan Malchev const camera_memory_t *data, 8541693fa555101e348a4ab80990b21197347892c1Iliyan Malchev void *user); 8641693fa555101e348a4ab80990b21197347892c1Iliyan Malchev 8741693fa555101e348a4ab80990b21197347892c1Iliyan Malchev#define HAL_CAMERA_PREVIEW_WINDOW_TAG 0xcafed00d 8841693fa555101e348a4ab80990b21197347892c1Iliyan Malchev 8941693fa555101e348a4ab80990b21197347892c1Iliyan Malchevtypedef struct preview_stream_ops { 9041693fa555101e348a4ab80990b21197347892c1Iliyan Malchev int (*dequeue_buffer)(struct preview_stream_ops* w, 9141693fa555101e348a4ab80990b21197347892c1Iliyan Malchev buffer_handle_t** buffer); 9241693fa555101e348a4ab80990b21197347892c1Iliyan Malchev int (*enqueue_buffer)(struct preview_stream_ops* w, 9341693fa555101e348a4ab80990b21197347892c1Iliyan Malchev buffer_handle_t* buffer); 9441693fa555101e348a4ab80990b21197347892c1Iliyan Malchev int (*cancel_buffer)(struct preview_stream_ops* w, 9541693fa555101e348a4ab80990b21197347892c1Iliyan Malchev buffer_handle_t* buffer); 9641693fa555101e348a4ab80990b21197347892c1Iliyan Malchev int (*set_buffer_count)(struct preview_stream_ops* w, int count); 9741693fa555101e348a4ab80990b21197347892c1Iliyan Malchev int (*set_buffers_geometry)(struct preview_stream_ops* pw, 9841693fa555101e348a4ab80990b21197347892c1Iliyan Malchev int w, int h, int format); 9941693fa555101e348a4ab80990b21197347892c1Iliyan Malchev int (*set_crop)(struct preview_stream_ops *w, 10041693fa555101e348a4ab80990b21197347892c1Iliyan Malchev int left, int top, int right, int bottom); 10141693fa555101e348a4ab80990b21197347892c1Iliyan Malchev int (*set_usage)(struct preview_stream_ops* w, int usage); 10241693fa555101e348a4ab80990b21197347892c1Iliyan Malchev int (*set_swap_interval)(struct preview_stream_ops *w, int interval); 10341693fa555101e348a4ab80990b21197347892c1Iliyan Malchev 10441693fa555101e348a4ab80990b21197347892c1Iliyan Malchev int (*get_min_undequeued_buffer_count)(const struct preview_stream_ops *w, 10541693fa555101e348a4ab80990b21197347892c1Iliyan Malchev int *count); 10641693fa555101e348a4ab80990b21197347892c1Iliyan Malchev} preview_stream_ops_t; 10741693fa555101e348a4ab80990b21197347892c1Iliyan Malchev 10841693fa555101e348a4ab80990b21197347892c1Iliyan Malchevstruct camera_device; 10941693fa555101e348a4ab80990b21197347892c1Iliyan Malchevtypedef struct camera_device_ops { 11041693fa555101e348a4ab80990b21197347892c1Iliyan Malchev /** Set the ANativeWindow to which preview frames are sent */ 11141693fa555101e348a4ab80990b21197347892c1Iliyan Malchev int (*set_preview_window)(struct camera_device *, 11241693fa555101e348a4ab80990b21197347892c1Iliyan Malchev struct preview_stream_ops *window); 11341693fa555101e348a4ab80990b21197347892c1Iliyan Malchev 11441693fa555101e348a4ab80990b21197347892c1Iliyan Malchev /** Set the notification and data callbacks */ 11541693fa555101e348a4ab80990b21197347892c1Iliyan Malchev void (*set_callbacks)(struct camera_device *, 11641693fa555101e348a4ab80990b21197347892c1Iliyan Malchev camera_notify_callback notify_cb, 11741693fa555101e348a4ab80990b21197347892c1Iliyan Malchev camera_data_callback data_cb, 11841693fa555101e348a4ab80990b21197347892c1Iliyan Malchev camera_data_timestamp_callback data_cb_timestamp, 11941693fa555101e348a4ab80990b21197347892c1Iliyan Malchev camera_request_memory get_memory, 12041693fa555101e348a4ab80990b21197347892c1Iliyan Malchev void *user); 12141693fa555101e348a4ab80990b21197347892c1Iliyan Malchev 12241693fa555101e348a4ab80990b21197347892c1Iliyan Malchev /** 12341693fa555101e348a4ab80990b21197347892c1Iliyan Malchev * The following three functions all take a msg_type, which is a bitmask of 12441693fa555101e348a4ab80990b21197347892c1Iliyan Malchev * the messages defined in include/ui/Camera.h 12541693fa555101e348a4ab80990b21197347892c1Iliyan Malchev */ 12641693fa555101e348a4ab80990b21197347892c1Iliyan Malchev 12741693fa555101e348a4ab80990b21197347892c1Iliyan Malchev /** 12841693fa555101e348a4ab80990b21197347892c1Iliyan Malchev * Enable a message, or set of messages. 12941693fa555101e348a4ab80990b21197347892c1Iliyan Malchev */ 13041693fa555101e348a4ab80990b21197347892c1Iliyan Malchev void (*enable_msg_type)(struct camera_device *, int32_t msg_type); 13141693fa555101e348a4ab80990b21197347892c1Iliyan Malchev 13241693fa555101e348a4ab80990b21197347892c1Iliyan Malchev /** 13341693fa555101e348a4ab80990b21197347892c1Iliyan Malchev * Disable a message, or a set of messages. 13441693fa555101e348a4ab80990b21197347892c1Iliyan Malchev * 13541693fa555101e348a4ab80990b21197347892c1Iliyan Malchev * Once received a call to disableMsgType(CAMERA_MSG_VIDEO_FRAME), camera 13641693fa555101e348a4ab80990b21197347892c1Iliyan Malchev * HAL should not rely on its client to call releaseRecordingFrame() to 13741693fa555101e348a4ab80990b21197347892c1Iliyan Malchev * release video recording frames sent out by the cameral HAL before and 13841693fa555101e348a4ab80990b21197347892c1Iliyan Malchev * after the disableMsgType(CAMERA_MSG_VIDEO_FRAME) call. Camera HAL 13941693fa555101e348a4ab80990b21197347892c1Iliyan Malchev * clients must not modify/access any video recording frame after calling 14041693fa555101e348a4ab80990b21197347892c1Iliyan Malchev * disableMsgType(CAMERA_MSG_VIDEO_FRAME). 14141693fa555101e348a4ab80990b21197347892c1Iliyan Malchev */ 14241693fa555101e348a4ab80990b21197347892c1Iliyan Malchev void (*disable_msg_type)(struct camera_device *, int32_t msg_type); 14341693fa555101e348a4ab80990b21197347892c1Iliyan Malchev 14441693fa555101e348a4ab80990b21197347892c1Iliyan Malchev /** 14541693fa555101e348a4ab80990b21197347892c1Iliyan Malchev * Query whether a message, or a set of messages, is enabled. Note that 14641693fa555101e348a4ab80990b21197347892c1Iliyan Malchev * this is operates as an AND, if any of the messages queried are off, this 14741693fa555101e348a4ab80990b21197347892c1Iliyan Malchev * will return false. 14841693fa555101e348a4ab80990b21197347892c1Iliyan Malchev */ 14941693fa555101e348a4ab80990b21197347892c1Iliyan Malchev int (*msg_type_enabled)(struct camera_device *, int32_t msg_type); 15041693fa555101e348a4ab80990b21197347892c1Iliyan Malchev 15141693fa555101e348a4ab80990b21197347892c1Iliyan Malchev /** 15241693fa555101e348a4ab80990b21197347892c1Iliyan Malchev * Start preview mode. 15341693fa555101e348a4ab80990b21197347892c1Iliyan Malchev */ 15441693fa555101e348a4ab80990b21197347892c1Iliyan Malchev int (*start_preview)(struct camera_device *); 15541693fa555101e348a4ab80990b21197347892c1Iliyan Malchev 15641693fa555101e348a4ab80990b21197347892c1Iliyan Malchev /** 15741693fa555101e348a4ab80990b21197347892c1Iliyan Malchev * Stop a previously started preview. 15841693fa555101e348a4ab80990b21197347892c1Iliyan Malchev */ 15941693fa555101e348a4ab80990b21197347892c1Iliyan Malchev void (*stop_preview)(struct camera_device *); 16041693fa555101e348a4ab80990b21197347892c1Iliyan Malchev 16141693fa555101e348a4ab80990b21197347892c1Iliyan Malchev /** 16241693fa555101e348a4ab80990b21197347892c1Iliyan Malchev * Returns true if preview is enabled. 16341693fa555101e348a4ab80990b21197347892c1Iliyan Malchev */ 16441693fa555101e348a4ab80990b21197347892c1Iliyan Malchev int (*preview_enabled)(struct camera_device *); 16541693fa555101e348a4ab80990b21197347892c1Iliyan Malchev 16641693fa555101e348a4ab80990b21197347892c1Iliyan Malchev /** 16741693fa555101e348a4ab80990b21197347892c1Iliyan Malchev * Request the camera HAL to store meta data or real YUV data in the video 16841693fa555101e348a4ab80990b21197347892c1Iliyan Malchev * buffers sent out via CAMERA_MSG_VIDEO_FRAME for a recording session. If 16941693fa555101e348a4ab80990b21197347892c1Iliyan Malchev * it is not called, the default camera HAL behavior is to store real YUV 17041693fa555101e348a4ab80990b21197347892c1Iliyan Malchev * data in the video buffers. 17141693fa555101e348a4ab80990b21197347892c1Iliyan Malchev * 17241693fa555101e348a4ab80990b21197347892c1Iliyan Malchev * This method should be called before startRecording() in order to be 17341693fa555101e348a4ab80990b21197347892c1Iliyan Malchev * effective. 17441693fa555101e348a4ab80990b21197347892c1Iliyan Malchev * 17541693fa555101e348a4ab80990b21197347892c1Iliyan Malchev * If meta data is stored in the video buffers, it is up to the receiver of 17641693fa555101e348a4ab80990b21197347892c1Iliyan Malchev * the video buffers to interpret the contents and to find the actual frame 17741693fa555101e348a4ab80990b21197347892c1Iliyan Malchev * data with the help of the meta data in the buffer. How this is done is 17841693fa555101e348a4ab80990b21197347892c1Iliyan Malchev * outside of the scope of this method. 17941693fa555101e348a4ab80990b21197347892c1Iliyan Malchev * 18041693fa555101e348a4ab80990b21197347892c1Iliyan Malchev * Some camera HALs may not support storing meta data in the video buffers, 18141693fa555101e348a4ab80990b21197347892c1Iliyan Malchev * but all camera HALs should support storing real YUV data in the video 18241693fa555101e348a4ab80990b21197347892c1Iliyan Malchev * buffers. If the camera HAL does not support storing the meta data in the 18341693fa555101e348a4ab80990b21197347892c1Iliyan Malchev * video buffers when it is requested to do do, INVALID_OPERATION must be 18441693fa555101e348a4ab80990b21197347892c1Iliyan Malchev * returned. It is very useful for the camera HAL to pass meta data rather 18541693fa555101e348a4ab80990b21197347892c1Iliyan Malchev * than the actual frame data directly to the video encoder, since the 18641693fa555101e348a4ab80990b21197347892c1Iliyan Malchev * amount of the uncompressed frame data can be very large if video size is 18741693fa555101e348a4ab80990b21197347892c1Iliyan Malchev * large. 18841693fa555101e348a4ab80990b21197347892c1Iliyan Malchev * 18941693fa555101e348a4ab80990b21197347892c1Iliyan Malchev * @param enable if true to instruct the camera HAL to store 19041693fa555101e348a4ab80990b21197347892c1Iliyan Malchev * meta data in the video buffers; false to instruct 19141693fa555101e348a4ab80990b21197347892c1Iliyan Malchev * the camera HAL to store real YUV data in the video 19241693fa555101e348a4ab80990b21197347892c1Iliyan Malchev * buffers. 19341693fa555101e348a4ab80990b21197347892c1Iliyan Malchev * 19441693fa555101e348a4ab80990b21197347892c1Iliyan Malchev * @return OK on success. 19541693fa555101e348a4ab80990b21197347892c1Iliyan Malchev */ 19641693fa555101e348a4ab80990b21197347892c1Iliyan Malchev int (*store_meta_data_in_buffers)(struct camera_device *, int enable); 19741693fa555101e348a4ab80990b21197347892c1Iliyan Malchev 19841693fa555101e348a4ab80990b21197347892c1Iliyan Malchev /** 19941693fa555101e348a4ab80990b21197347892c1Iliyan Malchev * Start record mode. When a record image is available, a 20041693fa555101e348a4ab80990b21197347892c1Iliyan Malchev * CAMERA_MSG_VIDEO_FRAME message is sent with the corresponding 20141693fa555101e348a4ab80990b21197347892c1Iliyan Malchev * frame. Every record frame must be released by a camera HAL client via 20241693fa555101e348a4ab80990b21197347892c1Iliyan Malchev * releaseRecordingFrame() before the client calls 20341693fa555101e348a4ab80990b21197347892c1Iliyan Malchev * disableMsgType(CAMERA_MSG_VIDEO_FRAME). After the client calls 20441693fa555101e348a4ab80990b21197347892c1Iliyan Malchev * disableMsgType(CAMERA_MSG_VIDEO_FRAME), it is the camera HAL's 20541693fa555101e348a4ab80990b21197347892c1Iliyan Malchev * responsibility to manage the life-cycle of the video recording frames, 20641693fa555101e348a4ab80990b21197347892c1Iliyan Malchev * and the client must not modify/access any video recording frames. 20741693fa555101e348a4ab80990b21197347892c1Iliyan Malchev */ 20841693fa555101e348a4ab80990b21197347892c1Iliyan Malchev int (*start_recording)(struct camera_device *); 20941693fa555101e348a4ab80990b21197347892c1Iliyan Malchev 21041693fa555101e348a4ab80990b21197347892c1Iliyan Malchev /** 21141693fa555101e348a4ab80990b21197347892c1Iliyan Malchev * Stop a previously started recording. 21241693fa555101e348a4ab80990b21197347892c1Iliyan Malchev */ 21341693fa555101e348a4ab80990b21197347892c1Iliyan Malchev void (*stop_recording)(struct camera_device *); 21441693fa555101e348a4ab80990b21197347892c1Iliyan Malchev 21541693fa555101e348a4ab80990b21197347892c1Iliyan Malchev /** 21641693fa555101e348a4ab80990b21197347892c1Iliyan Malchev * Returns true if recording is enabled. 21741693fa555101e348a4ab80990b21197347892c1Iliyan Malchev */ 21841693fa555101e348a4ab80990b21197347892c1Iliyan Malchev int (*recording_enabled)(struct camera_device *); 21941693fa555101e348a4ab80990b21197347892c1Iliyan Malchev 22041693fa555101e348a4ab80990b21197347892c1Iliyan Malchev /** 22141693fa555101e348a4ab80990b21197347892c1Iliyan Malchev * Release a record frame previously returned by CAMERA_MSG_VIDEO_FRAME. 22241693fa555101e348a4ab80990b21197347892c1Iliyan Malchev * 22341693fa555101e348a4ab80990b21197347892c1Iliyan Malchev * It is camera HAL client's responsibility to release video recording 22441693fa555101e348a4ab80990b21197347892c1Iliyan Malchev * frames sent out by the camera HAL before the camera HAL receives a call 22541693fa555101e348a4ab80990b21197347892c1Iliyan Malchev * to disableMsgType(CAMERA_MSG_VIDEO_FRAME). After it receives the call to 22641693fa555101e348a4ab80990b21197347892c1Iliyan Malchev * disableMsgType(CAMERA_MSG_VIDEO_FRAME), it is the camera HAL's 22741693fa555101e348a4ab80990b21197347892c1Iliyan Malchev * responsibility to manage the life-cycle of the video recording frames. 22841693fa555101e348a4ab80990b21197347892c1Iliyan Malchev */ 22941693fa555101e348a4ab80990b21197347892c1Iliyan Malchev void (*release_recording_frame)(struct camera_device *, 23041693fa555101e348a4ab80990b21197347892c1Iliyan Malchev const void *opaque); 23141693fa555101e348a4ab80990b21197347892c1Iliyan Malchev 23241693fa555101e348a4ab80990b21197347892c1Iliyan Malchev /** 23341693fa555101e348a4ab80990b21197347892c1Iliyan Malchev * Start auto focus, the notification callback routine is called with 23441693fa555101e348a4ab80990b21197347892c1Iliyan Malchev * CAMERA_MSG_FOCUS once when focusing is complete. autoFocus() will be 23541693fa555101e348a4ab80990b21197347892c1Iliyan Malchev * called again if another auto focus is needed. 23641693fa555101e348a4ab80990b21197347892c1Iliyan Malchev */ 23741693fa555101e348a4ab80990b21197347892c1Iliyan Malchev int (*auto_focus)(struct camera_device *); 23841693fa555101e348a4ab80990b21197347892c1Iliyan Malchev 23941693fa555101e348a4ab80990b21197347892c1Iliyan Malchev /** 24041693fa555101e348a4ab80990b21197347892c1Iliyan Malchev * Cancels auto-focus function. If the auto-focus is still in progress, 24141693fa555101e348a4ab80990b21197347892c1Iliyan Malchev * this function will cancel it. Whether the auto-focus is in progress or 24241693fa555101e348a4ab80990b21197347892c1Iliyan Malchev * not, this function will return the focus position to the default. If 24341693fa555101e348a4ab80990b21197347892c1Iliyan Malchev * the camera does not support auto-focus, this is a no-op. 24441693fa555101e348a4ab80990b21197347892c1Iliyan Malchev */ 24541693fa555101e348a4ab80990b21197347892c1Iliyan Malchev int (*cancel_auto_focus)(struct camera_device *); 24641693fa555101e348a4ab80990b21197347892c1Iliyan Malchev 24741693fa555101e348a4ab80990b21197347892c1Iliyan Malchev /** 24841693fa555101e348a4ab80990b21197347892c1Iliyan Malchev * Take a picture. 24941693fa555101e348a4ab80990b21197347892c1Iliyan Malchev */ 25041693fa555101e348a4ab80990b21197347892c1Iliyan Malchev int (*take_picture)(struct camera_device *); 25141693fa555101e348a4ab80990b21197347892c1Iliyan Malchev 25241693fa555101e348a4ab80990b21197347892c1Iliyan Malchev /** 25341693fa555101e348a4ab80990b21197347892c1Iliyan Malchev * Cancel a picture that was started with takePicture. Calling this method 25441693fa555101e348a4ab80990b21197347892c1Iliyan Malchev * when no picture is being taken is a no-op. 25541693fa555101e348a4ab80990b21197347892c1Iliyan Malchev */ 25641693fa555101e348a4ab80990b21197347892c1Iliyan Malchev int (*cancel_picture)(struct camera_device *); 25741693fa555101e348a4ab80990b21197347892c1Iliyan Malchev 25841693fa555101e348a4ab80990b21197347892c1Iliyan Malchev /** 25941693fa555101e348a4ab80990b21197347892c1Iliyan Malchev * Set the camera parameters. This returns BAD_VALUE if any parameter is 26041693fa555101e348a4ab80990b21197347892c1Iliyan Malchev * invalid or not supported. 26141693fa555101e348a4ab80990b21197347892c1Iliyan Malchev */ 26241693fa555101e348a4ab80990b21197347892c1Iliyan Malchev int (*set_parameters)(struct camera_device *, const char *parms); 26341693fa555101e348a4ab80990b21197347892c1Iliyan Malchev 26441693fa555101e348a4ab80990b21197347892c1Iliyan Malchev /** Return the camera parameters. */ 26541693fa555101e348a4ab80990b21197347892c1Iliyan Malchev char *(*get_parameters)(struct camera_device *); 26641693fa555101e348a4ab80990b21197347892c1Iliyan Malchev 26741693fa555101e348a4ab80990b21197347892c1Iliyan Malchev /** 26841693fa555101e348a4ab80990b21197347892c1Iliyan Malchev * Send command to camera driver. 26941693fa555101e348a4ab80990b21197347892c1Iliyan Malchev */ 27041693fa555101e348a4ab80990b21197347892c1Iliyan Malchev int (*send_command)(struct camera_device *, 27141693fa555101e348a4ab80990b21197347892c1Iliyan Malchev int32_t cmd, int32_t arg1, int32_t arg2); 27241693fa555101e348a4ab80990b21197347892c1Iliyan Malchev 27341693fa555101e348a4ab80990b21197347892c1Iliyan Malchev /** 27441693fa555101e348a4ab80990b21197347892c1Iliyan Malchev * Release the hardware resources owned by this object. Note that this is 27541693fa555101e348a4ab80990b21197347892c1Iliyan Malchev * *not* done in the destructor. 27641693fa555101e348a4ab80990b21197347892c1Iliyan Malchev */ 27741693fa555101e348a4ab80990b21197347892c1Iliyan Malchev void (*release)(struct camera_device *); 27841693fa555101e348a4ab80990b21197347892c1Iliyan Malchev 27941693fa555101e348a4ab80990b21197347892c1Iliyan Malchev /** 28041693fa555101e348a4ab80990b21197347892c1Iliyan Malchev * Dump state of the camera hardware 28141693fa555101e348a4ab80990b21197347892c1Iliyan Malchev */ 28241693fa555101e348a4ab80990b21197347892c1Iliyan Malchev int (*dump)(struct camera_device *, int fd); 28341693fa555101e348a4ab80990b21197347892c1Iliyan Malchev} camera_device_ops_t; 28441693fa555101e348a4ab80990b21197347892c1Iliyan Malchev 28541693fa555101e348a4ab80990b21197347892c1Iliyan Malchevtypedef struct camera_device { 28641693fa555101e348a4ab80990b21197347892c1Iliyan Malchev hw_device_t common; 28741693fa555101e348a4ab80990b21197347892c1Iliyan Malchev camera_device_ops_t *ops; 28841693fa555101e348a4ab80990b21197347892c1Iliyan Malchev void *priv; 28941693fa555101e348a4ab80990b21197347892c1Iliyan Malchev} camera_device_t; 29041693fa555101e348a4ab80990b21197347892c1Iliyan Malchev 29141693fa555101e348a4ab80990b21197347892c1Iliyan Malchev__END_DECLS 29241693fa555101e348a4ab80990b21197347892c1Iliyan Malchev 29341693fa555101e348a4ab80990b21197347892c1Iliyan Malchev#endif /* ANDROID_INCLUDE_CAMERA_H */ 294