*
*/
+#ifndef __TIZEN_CAMERA_HAL_H__
+#define __TIZEN_CAMERA_HAL_H__
+
+#include <stdint.h>
+#include <tbm_bufmgr.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif /* __cplusplus */
+
+/**
+ * @file tizen-camera.h
+ * @brief This file contains the Tizen camera HAL API, related structures and enumerations.
+ * @since_tizen 3.0
+ */
+
+#define BUFFER_PLANE_MAX 4
+#define DEVICE_COUNT_MAX 16
+#define DEVICE_NAME_LENGTH_MAX 32
+#define RESOLUTION_COUNT_MAX 10
+
+/**
+ * @addtogroup TIZEN_CAMERA_HAL_MODULE
+ * @{
+ */
+
+/**
+ * @brief Enumeration for the camera error.
+ * @since_tizen 3.0
+ */
+typedef enum camera_error {
+ CAMERA_ERROR_NONE = 0x00000000,
+ CAMERA_ERROR_INVALID_PARAMETER = 0x80002001,
+ CAMERA_ERROR_INVALID_STATE = 0x80002002,
+ CAMERA_ERROR_PERMISSION_DENIED = 0x80002003,
+ CAMERA_ERROR_OUT_OF_MEMORY = 0x80002004,
+ CAMERA_ERROR_DEVICE_OPEN = 0x80002005,
+ CAMERA_ERROR_DEVICE_NOT_FOUND = 0x80002006,
+ CAMERA_ERROR_DEVICE_UNAVAILABLE = 0x80002007,
+ CAMERA_ERROR_DEVICE_NOT_SUPPORTED = 0x80002008,
+ CAMERA_ERROR_DEVICE_ESD = 0x80002009,
+ CAMERA_ERROR_INTERNAL = 0x8000200a,
+
+ CAMERA_ERROR_UNKNOWN = 0x80002fff
+} camera_error_t;
+
+/**
+ * @brief Enumeration for the camera state.
+ * @since_tizen 3.0
+ */
+typedef enum camera_state {
+ CAMERA_STATE_INITIALIZED,
+ CAMERA_STATE_OPENED,
+ CAMERA_STATE_PREVIEWING,
+ CAMERA_STATE_CAPTURING,
+ CAMERA_STATE_RECORDING,
+ CAMERA_STATE_RECORDING_SNAPSHOT
+} camera_state_t;
+
+/**
+ * @brief The structure type of the resolution.
+ * @since_tizen 3.0
+ */
+typedef struct camera_resolution {
+ uint32_t width;
+ uint32_t height;
+} camera_resolution_t;
+
+/**
+ * @brief The structure type of the fraction.
+ * @since_tizen 3.0
+ */
+typedef struct camera_fraction {
+ int numerator;
+ int denominator;
+} camera_fraction_t;
+
+/**
+ * @brief The structure type of the rectangle.
+ * @since_tizen 3.0
+ */
+typedef struct camera_rectangle {
+ int x;
+ int y;
+ uint32_t width;
+ uint32_t height;
+} camera_rectangle_t;
+
+/**
+ * @brief Enumeration for the camera pixel format.
+ * @since_tizen 3.0
+ */
+typedef enum camera_pixel_format {
+ /* YUV */
+ CAMERA_PIXEL_FORMAT_NV12 = 0x0000,
+ CAMERA_PIXEL_FORMAT_NV21,
+ CAMERA_PIXEL_FORMAT_I420,
+ CAMERA_PIXEL_FORMAT_YV12,
+ CAMERA_PIXEL_FORMAT_YUYV,
+ CAMERA_PIXEL_FORMAT_UYVY,
+
+ /* RGB */
+ CAMERA_PIXEL_FORMAT_BGRA8888,
+ CAMERA_PIXEL_FORMAT_ARGB8888,
+
+ /* ENCODED */
+ CAMERA_PIXEL_FORMAT_ENCODED_JPEG,
+ CAMERA_PIXEL_FORMAT_ENCODED_H264,
+
+ /* MAX */
+ CAMERA_PIXEL_FORMAT_MAX
+} camera_pixel_format_t;
+
+/**
+ * @brief The structure type of the camera plane.
+ * @since_tizen 3.0
+ */
+typedef struct camera_plane {
+ unsigned char *data;
+ uint32_t align_width;
+ uint32_t align_height;
+ uint32_t size;
+} camera_plane_t;
+
+/**
+ * @brief The structure type of the camera buffer.
+ * @since_tizen 3.0
+ */
+typedef struct camera_buffer {
+ int index;
+ camera_pixel_format_t format;
+ camera_resolution_t resolution;
+ uint32_t num_planes;
+ camera_plane_t planes[BUFFER_PLANE_MAX];
+ uint32_t num_bos;
+ tbm_bo bos[BUFFER_PLANE_MAX];
+} camera_buffer_t;
+
+/**
+ * @brief The structure type of the camera metadata.
+ * @since_tizen 3.0
+ */
+typedef struct camera_metadata {
+ int is_flashed;
+ camera_fraction_t focal_length;
+ camera_fraction_t aperture_f_number;
+ camera_fraction_t shutter_speed;
+ camera_fraction_t exposure_time;
+ camera_fraction_t brightness;
+ camera_resolution_t exif_image;
+ int iso;
+ int metering_mode;
+ int color_space;
+ int component_configuration;
+ int aperture_in_apex;
+} camera_metadata_t;
+
+/**
+ * @brief Enumeration for the focus state.
+ * @since_tizen 3.0
+ */
+typedef enum camera_focus_state {
+ CAMERA_FOCUS_STATE_RELEASED,
+ CAMERA_FOCUS_STATE_ONGOING,
+ CAMERA_FOCUS_STATE_FOCUSED,
+ CAMERA_FOCUS_STATE_FAILED
+} camera_focus_state_t;
+
+/**
+ * @brief Enumeration for the facing direction of camera device.
+ * @since_tizen 3.0
+ */
+typedef enum camera_facing_direction {
+ CAMERA_FACING_DIRECTION_REAR,
+ CAMERA_FACING_DIRECTION_FRONT,
+ CAMERA_FACING_DIRECTION_EXTERNAL
+} camera_facing_direction_t;
+
+/**
+ * @brief Enumeration for the camera rotation.
+ * @since_tizen 3.0
+ */
+typedef enum camera_rotation {
+ CAMERA_ROTATION_0,
+ CAMERA_ROTATION_90,
+ CAMERA_ROTATION_180,
+ CAMERA_ROTATION_270
+} camera_rotation_t;
+
+/**
+ * @brief Enumeration for the camera flip.
+ * @since_tizen 3.0
+ */
+typedef enum camera_flip {
+ CAMERA_FLIP_NONE,
+ CAMERA_FLIP_HORIZONTAL,
+ CAMERA_FLIP_VERTICAL,
+ CAMERA_FLIP_BOTH
+} camera_flip_t;
+
+/**
+ * @brief The structure type of the camera format.
+ * @since_tizen 3.0
+ */
+typedef struct camera_format {
+ camera_pixel_format_t preview_format;
+ camera_resolution_t preview_resolution;
+ uint32_t preview_fps;
+ camera_rotation_t stream_rotation;
+ camera_flip_t stream_flip;
+ camera_pixel_format_t capture_format;
+ camera_resolution_t capture_resolution;
+ uint32_t capture_quality;
+} camera_format_t;
+
+/**
+ * @brief Enumeration for the focus mode.
+ * @since_tizen 3.0
+ */
+typedef enum camera_focus_mode {
+ CAMERA_FOCUS_MODE_PAN,
+ CAMERA_FOCUS_MODE_AUTO,
+ CAMERA_FOCUS_MODE_CONTINUOUS_AUTO
+} camera_focus_mode_t;
+
+/**
+ * @brief Enumeration for the white balance.
+ * @since_tizen 3.0
+ */
+typedef enum camera_white_balance {
+ CAMERA_WHITE_BALANCE_AUTO, /**< Automatic */
+ CAMERA_WHITE_BALANCE_DAYLIGHT, /**< Daylight */
+ CAMERA_WHITE_BALANCE_CLOUDY, /**< Cloudy */
+ CAMERA_WHITE_BALANCE_FLUORESCENT, /**< Fluorescent */
+ CAMERA_WHITE_BALANCE_INCANDESCENT, /**< Incandescent */
+ CAMERA_WHITE_BALANCE_SHADE, /**< Shade */
+ CAMERA_WHITE_BALANCE_HORIZON, /**< Horizon */
+ CAMERA_WHITE_BALANCE_FLASH /**< Flash */
+} camera_white_balance_t;
+
+/**
+ * @brief Enumeration for the effect.
+ * @since_tizen 3.0
+ */
+typedef enum camera_effect {
+ CAMERA_EFFECT_NONE, /**< None */
+ CAMERA_EFFECT_MONO, /**< Mono */
+ CAMERA_EFFECT_SEPIA, /**< Sepia */
+ CAMERA_EFFECT_NEGATIVE, /**< Negative */
+ CAMERA_EFFECT_RED, /**< Red */
+ CAMERA_EFFECT_GREEN, /**< Green */
+ CAMERA_EFFECT_BLUE, /**< Blue */
+ CAMERA_EFFECT_AQUA, /**< Aqua */
+ CAMERA_EFFECT_ANTIQUE, /**< Antique */
+ CAMERA_EFFECT_WARM, /**< Warm */
+ CAMERA_EFFECT_EMBOSS, /**< Emboss */
+ CAMERA_EFFECT_SKETCH, /**< Sketch */
+ CAMERA_EFFECT_SOLARIZATION, /**< Solarization */
+ CAMERA_EFFECT_POSTERIZATION, /**< Posterization */
+ CAMERA_EFFECT_CARTOON /**< Cartoon */
+} camera_effect_t;
+
+/**
+ * @brief Enumeration for the scene mode.
+ * @since_tizen 3.0
+ */
+typedef enum camera_scene_mode {
+ CAMERA_SCENE_MODE_NORMAL, /**< Normal */
+ CAMERA_SCENE_MODE_PORTRAIT, /**< Portrait */
+ CAMERA_SCENE_MODE_LANDSCAPE, /**< Landscape */
+ CAMERA_SCENE_MODE_SPORTS, /**< Sports */
+ CAMERA_SCENE_MODE_PARTY_N_INDOOR, /**< Party & indoor */
+ CAMERA_SCENE_MODE_BEACH_N_INDOOR, /**< Beach & indoor */
+ CAMERA_SCENE_MODE_SUNSET, /**< Sunset */
+ CAMERA_SCENE_MODE_DUSK_N_DAWN, /**< Dusk & dawn */
+ CAMERA_SCENE_MODE_FALL_COLOR, /**< Fall */
+ CAMERA_SCENE_MODE_NIGHT_SCENE, /**< Night scene */
+ CAMERA_SCENE_MODE_FIREWORK, /**< Firework */
+ CAMERA_SCENE_MODE_TEXT, /**< Text */
+ CAMERA_SCENE_MODE_SHOW_WINDOW, /**< Show window */
+ CAMERA_SCENE_MODE_CANDLE_LIGHT, /**< Candle light */
+ CAMERA_SCENE_MODE_BACKLIGHT, /**< Backlight */
+ CAMERA_SCENE_MODE_AQUA /**< Aqua */
+} camera_scene_mode_t;
+
+/**
+ * @brief Enumeration for the exposure mode.
+ * @since_tizen 3.0
+ */
+typedef enum camera_exposure_mode {
+ CAMERA_EXPOSURE_MODE_OFF = 0, /**< Off */
+ CAMERA_EXPOSURE_MODE_ALL, /**< All mode */
+ CAMERA_EXPOSURE_MODE_CENTER, /**< Center mode */
+ CAMERA_EXPOSURE_MODE_SPOT, /**< Spot mode */
+ CAMERA_EXPOSURE_MODE_CUSTOM /**< Custom mode */
+} camera_exposure_mode_t;
+
+/**
+ * @brief Enumeration for the shot mode.
+ * @since_tizen 3.0
+ */
+typedef enum camera_shot_mode {
+ CAMERA_SHOT_MODE_NORMAL = 0, /**< Normal */
+ CAMERA_SHOT_MODE_CONTINUOUS, /**< Continuous */
+ CAMERA_SHOT_MODE_HDR, /**< HDR */
+ CAMERA_SHOT_MODE_NIGHT /**< Night */
+} camera_shot_mode_t;
+
+/**
+ * @brief Definitions for the camera command.
+ * @since_tizen 3.0
+ */
+#define CAMERA_COMMAND_BASE ((int64_t)1)
+#define CAMERA_COMMAND_WHITE_BALANCE ((int64_t)(CAMERA_COMMAND_BASE << 1))
+#define CAMERA_COMMAND_ISO ((int64_t)(CAMERA_COMMAND_BASE << 2))
+#define CAMERA_COMMAND_CONTRAST ((int64_t)(CAMERA_COMMAND_BASE << 3))
+#define CAMERA_COMMAND_SATURATION ((int64_t)(CAMERA_COMMAND_BASE << 4))
+#define CAMERA_COMMAND_EFFECT ((int64_t)(CAMERA_COMMAND_BASE << 5))
+#define CAMERA_COMMAND_SCENE_MODE ((int64_t)(CAMERA_COMMAND_BASE << 6))
+#define CAMERA_COMMAND_EXPOSURE_MODE ((int64_t)(CAMERA_COMMAND_BASE << 7))
+#define CAMERA_COMMAND_EXPOSURE ((int64_t)(CAMERA_COMMAND_BASE << 8))
+#define CAMERA_COMMAND_ROTATION ((int64_t)(CAMERA_COMMAND_BASE << 9))
+#define CAMERA_COMMAND_FLIP ((int64_t)(CAMERA_COMMAND_BASE << 10))
+#define CAMERA_COMMAND_FOCUS_MODE ((int64_t)(CAMERA_COMMAND_BASE << 11))
+#define CAMERA_COMMAND_SHOT_MODE ((int64_t)(CAMERA_COMMAND_BASE << 12))
+#define CAMERA_COMMAND_ANTI_SHAKE ((int64_t)(CAMERA_COMMAND_BASE << 13))
+#define CAMERA_COMMAND_FOCUS_AREA ((int64_t)(CAMERA_COMMAND_BASE << 14))
+#define CAMERA_COMMAND_DIGITAL_ZOOM ((int64_t)(CAMERA_COMMAND_BASE << 15))
+#define CAMERA_COMMAND_OPTICAL_ZOOM ((int64_t)(CAMERA_COMMAND_BASE << 16))
+#define CAMERA_COMMAND_RECORDING_HINT ((int64_t)(CAMERA_COMMAND_BASE << 17))
+#define CAMERA_COMMAND_WDR ((int64_t)(CAMERA_COMMAND_BASE << 18))
+
+typedef struct camera_batch_command_control {
+ /* flag for modified command */
+ int64_t command_set_flag;
+
+ /* value list */
+ camera_white_balance_t white_balance;
+ int iso;
+ int contrast;
+ int saturation;
+ camera_effect_t effect;
+ camera_scene_mode_t scene_mode;
+ camera_exposure_mode_t exposure_mode;
+ int exposure;
+ camera_rotation_t rotation;
+ camera_flip_t flip;
+ camera_focus_mode_t focus_mode;
+ camera_exposure_mode_t shot_mode;
+ int anti_shake;
+ camera_rectangle_t focus_area;
+ int digital_zoom;
+ int optical_zoom;
+ int recording_hint;
+} camera_batch_command_control_t;
+
+/**
+ * @brief The structure type of the format list.
+ * @since_tizen 3.0
+ */
+typedef struct camera_pixel_format_list {
+ uint32_t count;
+ camera_pixel_format_t formats[CAMERA_PIXEL_FORMAT_MAX];
+} camera_format_list_t;
+
+/**
+ * @brief The structure type of the resolution list.
+ * @since_tizen 3.0
+ */
+typedef struct camera_resolution_list {
+ uint32_t count;
+ camera_resolution_t resolutions[RESOLUTION_COUNT_MAX];
+} camera_resolution_list_t;
+
+/**
+ * @brief The structure type of the camera device information.
+ * @since_tizen 3.0
+ */
+typedef struct camera_device_info {
+ uint32_t index;
+ const char name[DEVICE_NAME_LENGTH_MAX];
+ camera_facing_direction_t facing_direction;
+ camera_format_list_t format_list;
+ camera_resolution_list_t preview_list;
+ camera_resolution_list_t video_list;
+} camera_device_info_t;
+
+/**
+ * @brief The structure type of the camera device list.
+ * @since_tizen 3.0
+ */
+typedef struct camera_device_list {
+ uint32_t count;
+ camera_device_info_t device_info[DEVICE_COUNT_MAX];
+} camera_device_list_t;
+
+/**
+ * @brief Enumeration for the camera message type.
+ * @since_tizen 3.0
+ */
+typedef enum camera_message_type {
+ CAMERA_MESSAGE_TYPE_FOCUS_CHANGED,
+ CAMERA_MESSAGE_TYPE_CAPTURED,
+ CAMERA_MESSAGE_TYPE_CAPTURE_DATA,
+ CAMERA_MESSAGE_TYPE_HDR_PROGRESS,
+ CAMERA_MESSAGE_TYPE_ERROR
+} camera_message_type_t;
+
+/**
+ * @brief The structure type of the camera message.
+ * @since_tizen 3.0
+ */
+typedef struct camera_message {
+ camera_message_type_t type;
+ union {
+ camera_focus_state_t focus_state;
+ camera_buffer_t capture_data;
+ uint32_t hdr_progress;
+ camera_error_t error_code;
+ } message;
+} camera_message_t;
+
+/**
+ * @brief Callback function for notification from camera HAL.
+ * @since_tizen 3.0
+ * @param[in] message The message from camera HAL
+ * @param[in] user_data The user data for callback
+ * @see camera_add_message_callback()
+ * @see camera_remove_message_callback()
+ */
+typedef void (*camera_message_cb)(camera_message_t *message, void *user_data);
+
+/**
+ * @brief Callback function for captured preview frame from camera device.
+ * @since_tizen 3.0
+ * @param[in] buffer The preview buffer
+ * @param[in] meta The meta data for the preview frame
+ * @param[in] user_data The user data for callback
+ * @pre camera_start_preview() will invoke this callback.
+ * @see camera_start_preview()
+ * @see camera_stop_preview()
+ */
+typedef void (*camera_preview_frame_cb)(camera_buffer_t *buffer, camera_metadata_t *meta, void *user_data);
+
+/**
+ * @brief Callback function for captured video frame from camera device.
+ * @since_tizen 3.0
+ * @param[in] buffer The video buffer
+ * @param[in] meta The meta data for the video frame
+ * @param[in] user_data The user data for callback
+ * @pre camera_start_record() will invoke this callback.
+ * @see camera_start_record()
+ * @see camera_stop_record()
+ */
+typedef void (*camera_video_frame_cb)(camera_buffer_t *buffer, camera_metadata_t *meta, void *user_data);
+
+/**
+ * @brief Callback function for captured still image from camera device.
+ * @since_tizen 3.0
+ * @param[in] main The main image data
+ * @param[in] postview The image data of the postview (it could be @c NULL if the available data does not exist)
+ * @param[in] thumbnail The image data of the thumbnail (it could be @c NULL if the available data does not exist)
+ * @param[in] user_data The user data passed from the callback registration function
+ * @pre camera_start_capture() will invoke this callback function.
+ * @see camera_start_capture()
+ * @see camera_stop_capture()
+ */
+typedef void (*camera_capture_cb)(camera_buffer_t *main, camera_buffer_t *postview, camera_buffer_t *thumbnail, void *user_data);
+
+/**
+ * @brief The structure type of the camera interface.
+ * @since_tizen 3.0
+ */
+typedef struct camera_interface {
+ int (*init)(void **camera_handle);
+ int (*deinit)(void *camera_handle);
+ int (*get_device_list)(void *camera_handle, camera_device_list_t *device_list);
+ int (*open_device)(void *camera_handle, int device_index);
+ int (*close_device)(void *camera_handle);
+ int (*add_message_callback)(void *camera_handle, camera_message_cb callback, void *user_data, uint32_t *cb_id);
+ int (*remove_message_callback)(void *camera_handle, uint32_t cb_id);
+ int (*set_preview_stream_format)(void *camera_handle, camera_format_t *format);
+ int (*get_preview_stream_format)(void *camera_handle, camera_format_t *format);
+ int (*start_preview)(void *camera_handle, camera_preview_frame_cb callback, void *user_data);
+ int (*release_preview_buffer)(void *camera_handle, int buffer_index);
+ int (*stop_preview)(void *camera_handle);
+ int (*start_auto_focus)(void *camera_handle);
+ int (*stop_auto_focus)(void *camera_handle);
+ int (*start_capture)(void *camera_handle, camera_capture_cb callback, void *user_data);
+ int (*stop_capture)(void *camera_handle);
+ int (*set_video_stream_format)(void *camera_handle, camera_format_t *format);
+ int (*get_video_stream_format)(void *camera_handle, camera_format_t *format);
+ int (*start_record)(void *camera_handle, camera_video_frame_cb callback, void *user_data);
+ int (*release_video_buffer)(void *camera_handle, int buffer_index);
+ int (*stop_record)(void *camera_handle);
+ int (*set_command)(void *camera_handle, int command, void *value);
+ int (*get_command)(void *camera_handle, int command, void *value);
+} camera_interface_t;
+
+
+/**
+ * @brief Initializes new handle of camera HAL.
+ * @since_tizen 3.0
+ * @param[out] camera_handle A newly returned handle to the camera HAL
+ * @return @c 0 on success, otherwise a negative error value
+ * @retval #CAMERA_ERROR_NONE Successful
+ * @retval #CAMERA_ERROR_INVALID_PARAMETER Invalid parameter
+ * @retval #CAMERA_ERROR_OUT_OF_MEMORY Out of memory
+ * @retval #CAMERA_ERROR_PERMISSION_DENIED The access to the resources can not be granted
+ * @retval #CAMERA_ERROR_NOT_SUPPORTED The feature is not supported
+ * @post If it succeeds, the camera state will be #CAMERA_STATE_INITIALIZED.
+ *
+ * @see camera_deinit()
+ */
+int camera_init(void **camera_handle);
+
+/**
+ * @brief Deinitializes handle of camera HAL.
+ * @since_tizen 3.0
+ * @param[in] camera_handle The handle to the camera HAL
+ * @return @c 0 on success, otherwise a negative error value
+ * @retval #CAMERA_ERROR_NONE Successful
+ * @retval #CAMERA_ERROR_INVALID_PARAMETER Invalid parameter
+ * @see camera_init()
+ */
+int camera_deinit(void *camera_handle);
+
+/**
+ * @brief Gets the device list of camera.
+ * @since_tizen 3.0
+ * @param[in] camera_handle The handle to the camera HAL
+ * @param[out] device_list The device list of the camera
+ * @return @c 0 on success, otherwise a negative error value
+ * @retval #CAMERA_ERROR_NONE Successful
+ * @retval #CAMERA_ERROR_INVALID_PARAMETER Invalid parameter
+ * @retval #CAMERA_ERROR_NOT_SUPPORTED The feature is not supported
+ */
+int camera_get_device_list(void *camera_handle, camera_device_list_t *device_list);
+
+/**
+ * @brief Opens camera device.
+ * @since_tizen 3.0
+ * @param[in] camera_handle The handle to the camera HAL
+ * @param[in] device_index The device index of the camera
+ * @return @c 0 on success, otherwise a negative error value
+ * @retval #CAMERA_ERROR_NONE Successful
+ * @retval #CAMERA_ERROR_INVALID_PARAMETER Invalid parameter
+ * @retval #CAMERA_ERROR_INVALID_STATE Invalid state
+ * @retval #CAMERA_ERROR_OUT_OF_MEMORY Out of memory
+ * @retval #CAMERA_ERROR_PERMISSION_DENIED The access to the resources can not be granted
+ * @retval #CAMERA_ERROR_NOT_SUPPORTED The feature is not supported
+ * @retval #CAMERA_ERROR_DEVICE_NOT_FOUND Failed to find camera device
+ * @retval #CAMERA_ERROR_DEVICE_UNAVAILABLE The camera device is unavailable
+ * @pre The camera state must be set to #CAMERA_STATE_INITIALIZED.
+ * @post If it succeeds, the camera state will be #CAMERA_STATE_OPENED.
+ * @see camera_close_device()
+ */
+int camera_open_device(void *camera_handle, int device_index);
+
+/**
+ * @brief Closes camera device.
+ * @since_tizen 3.0
+ * @param[in] camera_handle The handle to the camera HAL
+ * @return @c 0 on success, otherwise a negative error value
+ * @retval #CAMERA_ERROR_NONE Successful
+ * @retval #CAMERA_ERROR_INVALID_PARAMETER Invalid parameter
+ * @retval #CAMERA_ERROR_INVALID_STATE Invalid state
+ * @pre The camera state must be set to #CAMERA_STATE_OPENED.
+ * @post If it succeeds, the camera state will be #CAMERA_STATE_INITIALIZED.
+ * @see camera_open_device()
+ */
+int camera_close_device(void *camera_handle);
+
+/**
+ * @brief Registers a callback function to be called to send a message by camera HAL.
+ * @since_tizen 3.0
+ * @param[in] camera_handle The handle to the camera HAL
+ * @param[in] callback The callback function to be registered
+ * @param[in] user_data The user data to be passed to the callback function
+ * @param[out] cb_id The callback id
+ * @return @c 0 on success, otherwise a negative error value
+ * @retval #CAMERA_ERROR_NONE Successful
+ * @retval #CAMERA_ERROR_INVALID_PARAMETER Invalid parameter
+ * @retval #CAMERA_ERROR_OUT_OF_MEMORY Out of memory
+ * @see camera_remove_message_callback()
+ */
+int camera_add_message_callback(void *camera_handle, camera_message_cb callback, void *user_data, uint32_t *cb_id);
+
+/**
+ * @brief Unregisters a callback function.
+ * @since_tizen 3.0
+ * @param[in] camera_handle The handle to the camera HAL
+ * @param[in] cb_id The callback id
+ * @return @c 0 on success, otherwise a negative error value
+ * @retval #CAMERA_ERROR_NONE Successful
+ * @retval #CAMERA_ERROR_INVALID_PARAMETER Invalid parameter
+ * @see camera_remove_message_callback()
+ */
+int camera_remove_message_callback(void *camera_handle, uint32_t cb_id);
+
+/**
+ * @brief Sets the format of the preview stream.
+ * @since_tizen 3.0
+ * @remarks This function should be called before previewing (see camera_start_preview()).
+ * @param[in] camera_handle The handle to the camera HAL
+ * @param[in] format The format of the preview stream
+ * @return @c 0 on success, otherwise a negative error value
+ * @retval #CAMERA_ERROR_NONE Successful
+ * @retval #CAMERA_ERROR_INVALID_PARAMETER Invalid parameter
+ * @retval #CAMERA_ERROR_INVALID_STATE Invalid state
+ * @retval #CAMERA_ERROR_NOT_SUPPORTED The feature is not supported
+ * @pre The camera state must be set to #CAMERA_STATE_OPENED.
+ * @see camera_start_preview()
+ * @see camera_start_capture()
+ * @see camera_get_preview_stream_format()
+ */
+int camera_set_preview_stream_format(void *camera_handle, camera_format_t *format);
+
+/**
+ * @brief Gets the format of the preview stream.
+ * @since_tizen 3.0
+ * @param[in] camera_handle The handle to the camera HAL
+ * @param[out] format The format of the preview stream
+ * @return @c 0 on success, otherwise a negative error value
+ * @retval #CAMERA_ERROR_NONE Successful
+ * @retval #CAMERA_ERROR_INVALID_PARAMETER Invalid parameter
+ * @retval #CAMERA_ERROR_INVALID_STATE Invalid state
+ * @retval #CAMERA_ERROR_NOT_SUPPORTED The feature is not supported
+ * @see camera_start_preview()
+ * @see camera_start_capture()
+ * @see camera_set_preview_stream_format()
+ * @see camera_foreach_supported_preview_format()
+ */
+int camera_get_preview_stream_format(void *camera_handle, camera_format_t *format);
+
+/**
+ * @brief Starts preview frames on the screen.
+ * @since_tizen 3.0
+ * @param[in] camera_handle The handle to the camera HAL
+ * @param[in] callback The callback for preview frame
+ * @param[in] user_data The user data for callback
+ * @return @c 0 on success, otherwise a negative error value
+ * @retval #CAMERA_ERROR_NONE Successful
+ * @retval #CAMERA_ERROR_INVALID_PARAMETER Invalid parameter
+ * @retval #CAMERA_ERROR_INVALID_STATE Invalid state
+ * @retval #CAMERA_ERROR_INVALID_OPERATION Invalid operation
+ * @retval #CAMERA_ERROR_DEVICE_BUSY The device is being used in another application or is performing other operations
+ * @retval #CAMERA_ERROR_PERMISSION_DENIED The access to the resources can not be granted
+ * @pre The camera state must be set to #CAMERA_STATE_OPENED.
+ * @post If it succeeds, the camera state will be #CAMERA_STATE_PREVIEWING.
+ * @see camera_stop_preview()
+ */
+int camera_start_preview(void *camera_handle, camera_preview_frame_cb callback, void *user_data);
+
+/**
+ * @brief Release the preview buffer.
+ * @since_tizen 3.0
+ * @remarks The preview buffer should be released with this function after use it.
+ * @param[in] camera_handle The handle to the camera HAL
+ * @param[in] buffer_index The index of preview buffer
+ * @return @c 0 on success, otherwise a negative error value
+ * @retval #CAMERA_ERROR_NONE Successful
+ * @retval #CAMERA_ERROR_INVALID_PARAMETER Invalid parameter
+ * @retval #CAMERA_ERROR_INVALID_STATE Invalid state
+ * @retval #CAMERA_ERROR_INVALID_OPERATION Invalid operation
+ * @see camera_start_preview()
+ */
+int camera_release_preview_buffer(void *camera_handle, int buffer_index);
+
+/**
+ * @brief Stops preview frames.
+ * @since_tizen 3.0
+ * @param[in] camera_handle The handle to the camera HAL
+ * @return @c 0 on success, otherwise a negative error value
+ * @retval #CAMERA_ERROR_NONE Successful
+ * @retval #CAMERA_ERROR_INVALID_PARAMETER Invalid parameter
+ * @retval #CAMERA_ERROR_INVALID_STATE Invalid state
+ * @retval #CAMERA_ERROR_INVALID_OPERATION Invalid operation
+ * @pre The camera state must be set to #CAMERA_STATE_PREVIEWING.
+ * @post The camera state will be #CAMERA_STATE_OPENED.
+ * @see camera_start_preview()
+ */
+int camera_stop_preview(void *camera_handle);
+
+/**
+ * @brief Starts camera auto focusing operation.
+ * @since_tizen 3.0
+ * @param[in] camera_handle The handle to the camera HAL
+ * @return @c 0 on success, otherwise a negative error value
+ * @retval #CAMERA_ERROR_NONE Successful
+ * @retval #CAMERA_ERROR_INVALID_PARAMETER Invalid parameter
+ * @retval #CAMERA_ERROR_INVALID_STATE Invalid state
+ * @retval #CAMERA_ERROR_INVALID_OPERATION Invalid operation
+ * @retval #CAMERA_ERROR_NOT_SUPPORTED The feature is not supported
+ * @pre The camera state must be set to #CAMERA_STATE_PREVIEWING or #CAMERA_STATE_RECORDING.
+ * @post The camera focus state will be #CAMERA_FOCUS_STATE_ONGOING.
+ * @see camera_stop_auto_focus()
+ * @see camera_add_message_callback()
+ * @see camera_message_cb()
+ * @see camera_set_command()
+ */
+int camera_start_auto_focus(void *camera_handle);
+
+/**
+ * @brief Stops camera auto focusing operation.
+ * @since_tizen 3.0
+ * @param[in] camera_handle The handle to the camera HAL
+ * @return @c 0 on success, otherwise a negative error value
+ * @retval #CAMERA_ERROR_NONE Successful
+ * @retval #CAMERA_ERROR_INVALID_PARAMETER Invalid parameter
+ * @retval #CAMERA_ERROR_INVALID_STATE Invalid state
+ * @retval #CAMERA_ERROR_INVALID_OPERATION Invalid operation
+ * @retval #CAMERA_ERROR_NOT_SUPPORTED The feature is not supported
+ * @pre The camera state must be set to #CAMERA_STATE_PREVIEWING or #CAMERA_STATE_RECORDING.
+ * @post The camera focus state will be #CAMERA_FOCUS_STATE_ONGOING.
+ * @see camera_start_auto_focus()
+ * @see camera_add_message_callback()
+ * @see camera_message_cb()
+ */
+int camera_stop_auto_focus(void *camera_handle);
+
+/**
+ * @brief Starts capturing of still images.
+ * @since_tizen 3.0
+ * @remarks In case of zero shutter lag capture, preview frame won't be stopped while capturing.
+ * @param[in] camera_handle The handle to the camera HAL
+ * @param[in] callback The callback for captured data
+ * @param[in] user_data The user data for callback
+ * @return @c 0 on success, otherwise a negative error value
+ * @retval #CAMERA_ERROR_NONE Successful
+ * @retval #CAMERA_ERROR_INVALID_PARAMETER Invalid parameter
+ * @retval #CAMERA_ERROR_INVALID_STATE Invalid state
+ * @retval #CAMERA_ERROR_INVALID_OPERATION Invalid operation
+ * @pre The camera state must be set to #CAMERA_STATE_PREVIEWING or #CAMERA_STATE_RECORDING.
+ * @post If it succeeds the camera state will be #CAMERA_STATE_CAPTURING or #CAMERA_STATE_RECORDING_SNAPSHOT.
+ * @see camera_start_preview()
+ * @see camera_start_record()
+ * @see camera_set_preview_stream_format()
+ * @see camera_get_preview_stream_format()
+ */
+int camera_start_capture(void *camera_handle, camera_capture_cb callback, void *user_data);
+
+/**
+ * @brief Stops capturing of still images.
+ * @since_tizen 3.0
+ * @remarks In case of zero shutter lag, this function will changes only the state of camera HAL \n
+ * from #CAMERA_STATE_PREVIEWING or #CAMERA_STATE_RECORDING to #CAMERA_STATE_PREVIEWING or #CAMERA_STATE_RECORDING.\n
+ * Otherwise, preview frame will be restarted.
+ * @param[in] camera_handle The handle to the camera HAL
+ * @param[in] callback The callback for captured data
+ * @param[in] user_data The user data
+ * @return @c 0 on success, otherwise a negative error value
+ * @retval #CAMERA_ERROR_NONE Successful
+ * @retval #CAMERA_ERROR_INVALID_PARAMETER Invalid parameter
+ * @retval #CAMERA_ERROR_INVALID_STATE Invalid state
+ * @retval #CAMERA_ERROR_INVALID_OPERATION Invalid operation
+ * @pre The camera state must be set to #CAMERA_STATE_CAPTURING or #CAMERA_STATE_RECORDING_SNAPSHOT.
+ * @post If it succeeds the camera state will be #CAMERA_STATE_PREVIEWING or #CAMERA_STATE_RECORDING.
+ * @see camera_start_capture()
+ * @see camera_start_record()
+ * @see camera_set_preview_stream_format()
+ * @see camera_get_preview_stream_format()
+ * @see camera_set_video_stream_format()
+ * @see camera_get_video_stream_format()
+ */
+int camera_stop_capture(void *camera_handle);
+
+/**
+ * @brief Sets the format of the video stream for recording.
+ * @since_tizen 3.0
+ * @remarks This function should be called before recording (see camera_start_record()).
+ * @param[in] camera_handle The handle to the camera HAL
+ * @param[in] format The format of the video stream
+ * @return @c 0 on success, otherwise a negative error value
+ * @retval #CAMERA_ERROR_NONE Successful
+ * @retval #CAMERA_ERROR_INVALID_PARAMETER Invalid parameter
+ * @retval #CAMERA_ERROR_INVALID_STATE Invalid state
+ * @retval #CAMERA_ERROR_INVALID_OPERATION Invalid operation
+ * @retval #CAMERA_ERROR_NOT_SUPPORTED The feature is not supported
+ * @pre The camera state must be set to #CAMERA_STATE_OPENED.
+ * @see camera_start_record()
+ * @see camera_start_capture()
+ * @see camera_get_video_stream_format()
+ */
+int camera_set_video_stream_format(void *camera_handle, camera_format_t *format);
+
+/**
+ * @brief Gets the format of the video stream for recording.
+ * @since_tizen 3.0
+ * @param[in] camera_handle The handle to the camera HAL
+ * @param[out] format The format of the video stream
+ * @return @c 0 on success, otherwise a negative error value
+ * @retval #CAMERA_ERROR_NONE Successful
+ * @retval #CAMERA_ERROR_INVALID_PARAMETER Invalid parameter
+ * @retval #CAMERA_ERROR_INVALID_STATE Invalid state
+ * @retval #CAMERA_ERROR_NOT_SUPPORTED The feature is not supported
+ * @see camera_start_preview()
+ * @see camera_start_capture()
+ * @see camera_set_preview_stream_format()
+ * @see camera_foreach_supported_preview_format()
+ */
+int camera_get_video_stream_format(void *camera_handle, camera_format_t *format);
+
+/**
+ * @brief Starts the video frame for recording.
+ * @since_tizen 3.0
+ * @param[in] camera_handle The handle to the camera HAL
+ * @param[in] callback The callback for video frame
+ * @param[in] user_data The user data for callback
+ * @return @c 0 on success, otherwise a negative error value
+ * @retval #CAMERA_ERROR_NONE Successful
+ * @retval #CAMERA_ERROR_INVALID_PARAMETER Invalid parameter
+ * @retval #CAMERA_ERROR_INVALID_OPERATION Invalid operation
+ * @retval #CAMERA_ERROR_INVALID_STATE Invalid state
+ * @retval #CAMERA_ERROR_PERMISSION_DENIED The access to the resources can not be granted
+ * @retval #CAMERA_ERROR_NOT_SUPPORTED The feature is not supported
+ * @pre The camera state must be #CAMERA_STATE_PREVIEWING.
+ * @post The camera state will be #CAMERA_STATE_RECORDING.
+ * @see camera_set_video_stream_format()
+ * @see camera_get_video_stream_format()
+ * @see camera_stop_record()
+ */
+int camera_start_record(void *camera_handle, camera_video_frame_cb callback, void *user_data);
+
+/**
+ * @brief Release the video buffer.
+ * @remarks The video buffer should be released with this function after use it.
+ * @since_tizen 3.0
+ * @param[in] camera_handle The handle to the camera HAL
+ * @param[in] buffer_index The index of video buffer
+ * @return @c 0 on success, otherwise a negative error value
+ * @retval #CAMERA_ERROR_NONE Successful
+ * @retval #CAMERA_ERROR_INVALID_PARAMETER Invalid parameter
+ * @retval #CAMERA_ERROR_INVALID_STATE Invalid state
+ * @retval #CAMERA_ERROR_INVALID_OPERATION Invalid operation
+ * @pre The camera state must be set to #CAMERA_STATE_PREVIEWING.
+ * @see camera_start_record()
+ */
+int camera_release_video_buffer(void *camera_handle, int buffer_index);
+
+/**
+ * @brief Stops the video frame.
+ * @since_tizen 3.0
+ * @param[in] camera_handle The handle to the camera HAL
+ * @return @c 0 on success, otherwise a negative error value
+ * @retval #CAMERA_ERROR_NONE Successful
+ * @retval #CAMERA_ERROR_INVALID_PARAMETER Invalid parameter
+ * @retval #CAMERA_ERROR_INVALID_OPERATION Invalid operation
+ * @retval #CAMERA_ERROR_INVALID_STATE Invalid state
+ * @pre The camera state must be #CAMERA_STATE_RECORDING.
+ * @post The camera state will be #CAMERA_STATE_PREVIEWING.
+ * @see camera_set_video_stream_format()
+ * @see camera_get_video_stream_format()
+ * @see camera_start_record()
+ */
+int camera_stop_record(void *camera_handle);
+
+/**
+ * @brief Sets the various command and value to control camera device.
+ * @since_tizen 3.0
+ * @param[in] camera_handle The handle to the camera HAL
+ * @param[in] command The command to control the camera device
+ * @param[in] value The value to set
+ * @return @c 0 on success, otherwise a negative error value
+ * @retval #CAMERA_ERROR_NONE Successful
+ * @retval #CAMERA_ERROR_INVALID_PARAMETER Invalid parameter
+ * @retval #CAMERA_ERROR_INVALID_OPERATION Invalid operation
+ * @retval #CAMERA_ERROR_INVALID_STATE Invalid state
+ * @retval #CAMERA_ERROR_NOT_SUPPORTED The feature is not supported
+ * @see camera_get_command()
+ */
+int camera_set_command(void *camera_handle, int64_t command, void *value);
+
+/**
+ * @brief Gets the current value of command.
+ * @since_tizen 3.0
+ * @param[in] camera_handle The handle to the camera HAL
+ * @param[in] command The command to control the camera device
+ * @param[out] value The value to get
+ * @return @c 0 on success, otherwise a negative error value
+ * @retval #CAMERA_ERROR_NONE Successful
+ * @retval #CAMERA_ERROR_INVALID_PARAMETER Invalid parameter
+ * @retval #CAMERA_ERROR_INVALID_OPERATION Invalid operation
+ * @retval #CAMERA_ERROR_INVALID_STATE Invalid state
+ * @retval #CAMERA_ERROR_NOT_SUPPORTED The feature is not supported
+ * @see camera_get_command()
+ */
+int camera_get_command(void *camera_handle, int64_t command, void *value);
+
+/**
+ * @brief Sets a set of commands.
+ * @since_tizen 3.0
+ * @remarks error_command will be set if error is returned from the function.
+ * @param[in] camera_handle The handle to the camera HAL
+ * @param[in] batch_command The batch command to set
+ * @param[out] error_command The error command
+ * @return @c 0 on success, otherwise a negative error value
+ * @retval #CAMERA_ERROR_NONE Successful
+ * @retval #CAMERA_ERROR_INVALID_PARAMETER Invalid parameter
+ * @retval #CAMERA_ERROR_INVALID_OPERATION Invalid operation
+ * @retval #CAMERA_ERROR_INVALID_STATE Invalid state
+ * @retval #CAMERA_ERROR_NOT_SUPPORTED The feature is not supported
+ * @see camera_set_command()
+ * @see camera_get_command()
+ */
+int camera_set_batch_command(void *camera_handle, camera_batch_command_t *batch_command, int64_t *error_command);
+
+/**
+ * @}
+ */
+
+#ifdef __cplusplus
+}
+#endif /* __cplusplus */
+
+#endif /* __TIZEN_CAMERA_HAL_H__ */
projects / platform / core / multimedia / mm-hal-interface.git / commitdiff