2 * Copyright (c) 2011 Samsung Electronics Co., Ltd All Rights Reserved
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
8 * http://www.apache.org/licenses/LICENSE-2.0
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
18 #ifndef __TIZEN_MEDIA_STORAGE_H__
19 #define __TIZEN_MEDIA_STORAGE_H__
22 #include <media_content_type.h>
27 #endif /* __cplusplus */
30 * @file media_storage.h
31 * @brief This file contains API on main functional operations with storage that are related to media resources in the media database. \n
32 * Operations include: getting number of storages, cloning and destroying storage, getting storage`s ID, name, path and type.
36 * @addtogroup CAPI_CONTENT_MEDIA_STORAGE_MODULE
41 * @brief Gets media storage from database.
42 * @since_tizen @if MOBILE 2.4 @elseif WEARABLE 3.0 @endif
44 * @remarks You must release the handle using media_storage_destroy(). \n
46 * @param[in] storage_id The storage id to get media storage info
47 * @param[out] storage The media storage handle
49 * @return @c 0 on success,
50 * otherwise a negative error value
52 * @retval #MEDIA_CONTENT_ERROR_NONE Successful
53 * @retval #MEDIA_CONTENT_ERROR_INVALID_PARAMETER Invalid parameter
54 * @retval #MEDIA_CONTENT_ERROR_OUT_OF_MEMORY Out of memory
55 * @retval #MEDIA_CONTENT_ERROR_DB_FAILED DB Operation failed
56 * @retval #MEDIA_CONTENT_ERROR_DB_BUSY DB Operation busy
57 * @retval #MEDIA_CONTENT_ERROR_PERMISSION_DENIED Permission denied
60 * @pre This function requires opened connection to content service by media_content_connect().
62 * @see media_content_connect()
64 int media_storage_get_storage_info_from_db(const char *storage_id, media_storage_h *storage);
67 * @brief Gets the count of media storage for the passed @a filter from the media database.
68 * @since_tizen @if MOBILE 2.4 @elseif WEARABLE 3.0 @endif
70 * @param[in] filter The handle to filter
71 * @param[out] storage_count The count of storage
73 * @return @c 0 on success,
74 * otherwise a negative error value
76 * @retval #MEDIA_CONTENT_ERROR_NONE Successful
77 * @retval #MEDIA_CONTENT_ERROR_INVALID_PARAMETER Invalid parameter
78 * @retval #MEDIA_CONTENT_ERROR_INVALID_OPERATION Invalid operation
79 * @retval #MEDIA_CONTENT_ERROR_DB_FAILED DB Operation failed
80 * @retval #MEDIA_CONTENT_ERROR_DB_BUSY DB Operation busy
81 * @retval #MEDIA_CONTENT_ERROR_PERMISSION_DENIED Permission denied
83 * @pre This function requires opened connection to content service by media_content_connect().
85 * @see media_content_connect()
87 int media_storage_get_storage_count_from_db(filter_h filter, int *storage_count);
90 * @brief Iterates through media storage from the media database.
91 * @details This function gets all media storage handles meeting the given @a filter.
92 * The @a callback function will be invoked for every retrieved media storage.
93 * If @c NULL is passed to the @a filter, then no filtering is applied.
95 * @since_tizen @if MOBILE 2.4 @elseif WEARABLE 3.0 @endif
97 * @param[in] filter The media storage handle filter
98 * @param[in] callback The callback function to be invoked
99 * @param[in] user_data The user data to be passed to the callback function
101 * @return @c 0 on success,
102 * otherwise a negative error value
104 * @retval #MEDIA_CONTENT_ERROR_NONE Successful
105 * @retval #MEDIA_CONTENT_ERROR_INVALID_PARAMETER Invalid parameter
106 * @retval #MEDIA_CONTENT_ERROR_OUT_OF_MEMORY Out of memory
107 * @retval #MEDIA_CONTENT_ERROR_DB_FAILED DB Operation failed
108 * @retval #MEDIA_CONTENT_ERROR_DB_BUSY DB Operation busy
109 * @retval #MEDIA_CONTENT_ERROR_PERMISSION_DENIED Permission denied
111 * @pre This function requires opened connection to content service by media_content_connect().
112 * @post This function invokes media_storage_destroy().
114 * @see media_content_connect()
115 * @see media_storage_destroy()
117 int media_storage_foreach_storage_from_db(filter_h filter, media_storage_cb callback, void *user_data);
120 * @brief Gets the count of media files for the passed @a filter in the given @a storage from the media database.
121 * @since_tizen @if MOBILE 2.4 @elseif WEARABLE 3.0 @endif
123 * @param[in] storage_id The ID of the media storage
124 * @param[in] filter The filter of the media content
125 * @param[out] media_count The count of media storage items
127 * @return @c 0 on success,
128 * otherwise a negative error value
130 * @retval #MEDIA_CONTENT_ERROR_NONE Successful
131 * @retval #MEDIA_CONTENT_ERROR_INVALID_PARAMETER Invalid parameter
132 * @retval #MEDIA_CONTENT_ERROR_DB_FAILED DB Operation failed
133 * @retval #MEDIA_CONTENT_ERROR_DB_BUSY DB Operation busy
134 * @retval #MEDIA_CONTENT_ERROR_PERMISSION_DENIED Permission denied
136 * @pre This function requires opened connection to content service by media_content_connect().
138 * @see media_content_connect()
140 int media_storage_get_media_count_from_db(const char *storage_id, filter_h filter, int *media_count);
143 * @brief Iterates through the media files with an optional @a filter in the given @a storage from the media database.
144 * @details This function gets all media files associated with the given storage and
145 * meeting desired filter option and calls registered callback function for
146 * every retrieved media item. If @c NULL is passed to the @a filter, no filtering is applied.
148 * @since_tizen @if MOBILE 2.4 @elseif WEARABLE 3.0 @endif
150 * @remarks Do not call updating DB function like media_info_update_to_db(), media_info_refresh_metadata_to_db(), audio_meta_update_to_db(), image_meta_update_to_db() and video_meta_update_to_db() in your callback function,
151 * your callback function is invoked as inline function. \n
152 * So, your callback function is in read state in SQLite. When you are in read state, sometimes you do not update DB. \n
153 * We do not recommend you call updating DB function in callback of foreach function.
155 * @param[in] storage_id The ID of the media storage
156 * @param[in] filter The handle to the media info filter
157 * @param[in] callback The callback function to be invoked
158 * @param[in] user_data The user data to be passed to the callback function
160 * @return @c 0 on success,
161 * otherwise a negative error value
163 * @retval #MEDIA_CONTENT_ERROR_NONE Successful
164 * @retval #MEDIA_CONTENT_ERROR_INVALID_PARAMETER Invalid parameter
165 * @retval #MEDIA_CONTENT_ERROR_OUT_OF_MEMORY Out of memory
166 * @retval #MEDIA_CONTENT_ERROR_DB_FAILED DB Operation failed
167 * @retval #MEDIA_CONTENT_ERROR_DB_BUSY DB Operation busy
168 * @retval #MEDIA_CONTENT_ERROR_PERMISSION_DENIED Permission denied
170 * @pre This function requires opened connection to content service by media_content_connect().
171 * @post This function invokes media_info_cb().
173 * @see #media_info_cb
174 * @see media_content_connect()
175 * @see media_filter_create()
177 int media_storage_foreach_media_from_db(const char *storage_id, filter_h filter, media_info_cb callback, void *user_data);
180 * @brief Destroys media storage handle.
181 * @details The function frees all resources related to the media storage handle. This handle
182 * can no longer be used to perform any operation. New media storage handle has to
183 * be created before the next usage.
185 * @since_tizen @if MOBILE 2.4 @elseif WEARABLE 3.0 @endif
187 * @param[in] storage The media storage handle
189 * @return @c 0 on success,
190 * otherwise a negative error value
192 * @retval #MEDIA_CONTENT_ERROR_NONE Successful
193 * @retval #MEDIA_CONTENT_ERROR_INVALID_PARAMETER Invalid parameter
195 * @pre Get copy of media_storage_h handle by calling media_storage_clone().
197 * @see media_storage_clone()
199 int media_storage_destroy(media_storage_h storage);
202 * @brief Clones the media storage handle.
204 * @details This function copies the media storage handle from a source to the destination.
205 * There is no media_storage_create() function. The media_storage_h is created internally and
206 * available through media storage foreach function such as media_storage_foreach_storage_from_db().
207 * To use this handle outside of these foreach functions, use this function.
209 * @since_tizen @if MOBILE 2.4 @elseif WEARABLE 3.0 @endif
211 * @remarks You must release the destination handle using media_storage_destroy().
213 * @param[out] dst The destination handle to the media storage
214 * @param[in] src The source handle to media storage
216 * @return @c 0 on success,
217 * otherwise a negative error value
219 * @retval #MEDIA_CONTENT_ERROR_NONE Successful
220 * @retval #MEDIA_CONTENT_ERROR_OUT_OF_MEMORY Out of memory
221 * @retval #MEDIA_CONTENT_ERROR_INVALID_PARAMETER Invalid parameter
223 * @see media_storage_destroy()
224 * @see media_storage_foreach_storage_from_db()
225 * @see media_storage_get_storage_info_from_db()
227 int media_storage_clone(media_storage_h *dst, media_storage_h src);
230 * @brief Gets the storage id of media storage.
231 * @since_tizen @if MOBILE 2.4 @elseif WEARABLE 3.0 @endif
233 * @remarks You must release @a storage_id using free().
235 * @param[in] storage The media storage handle
236 * @param[out] storage_id The storage id of the media storage
238 * @return @c 0 on success,
239 * otherwise a negative error value
241 * @retval #MEDIA_CONTENT_ERROR_NONE Successful
242 * @retval #MEDIA_CONTENT_ERROR_INVALID_PARAMETER Invalid parameter
243 * @retval #MEDIA_CONTENT_ERROR_OUT_OF_MEMORY Out of memory
245 int media_storage_get_id(media_storage_h storage, char **storage_id);
248 * @brief Gets the storage name of media storage.
249 * @since_tizen @if MOBILE 2.4 @elseif WEARABLE 3.0 @endif
251 * @remarks You must release @a storage_name using free().
252 * If the requested storage is not the cloud storage, this API returns NULL.
254 * @param[in] storage The media storage handle
255 * @param[out] storage_name The storage name of the media storage
257 * @return @c 0 on success,
258 * otherwise a negative error value
260 * @retval #MEDIA_CONTENT_ERROR_NONE Successful
261 * @retval #MEDIA_CONTENT_ERROR_INVALID_PARAMETER Invalid parameter
262 * @retval #MEDIA_CONTENT_ERROR_OUT_OF_MEMORY Out of memory
264 int media_storage_get_name(media_storage_h storage, char **storage_name);
267 * @brief Gets the storage path of media storage.
268 * @since_tizen @if MOBILE 2.4 @elseif WEARABLE 3.0 @endif
270 * @remarks You must release @a storage_path using free().
272 * @param[in] storage The media storage handle
273 * @param[out] storage_path The storage path of the media storage
275 * @return @c 0 on success,
276 * otherwise a negative error value
278 * @retval #MEDIA_CONTENT_ERROR_NONE Successful
279 * @retval #MEDIA_CONTENT_ERROR_INVALID_PARAMETER Invalid parameter
280 * @retval #MEDIA_CONTENT_ERROR_OUT_OF_MEMORY Out of memory
282 int media_storage_get_path(media_storage_h storage, char **storage_path);
285 * @brief Gets the storage type of media storage.
286 * @since_tizen @if MOBILE 2.4 @elseif WEARABLE 3.0 @endif
288 * @param[in] storage The media storage handle
289 * @param[out] storage_type The storage type of the media storage
291 * @return @c 0 on success,
292 * otherwise a negative error value
294 * @retval #MEDIA_CONTENT_ERROR_NONE Successful
295 * @retval #MEDIA_CONTENT_ERROR_INVALID_PARAMETER Invalid parameter
297 int media_storage_get_type(media_storage_h storage, media_content_storage_e *storage_type);
305 #endif /* __cplusplus */
307 #endif /* __TIZEN_MEDIA_STORAGE_H__ */