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_CONTENT_MEDIA_STORAGE_H__
19 #define __TIZEN_CONTENT_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 external 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 The @a storage should be released using media_storage_destroy().
46 * @param[in] storage_id The ID of the media storage
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
59 * @pre This function requires opened connection to content service by media_content_connect().
61 * @see media_content_connect()
63 int media_storage_get_storage_info_from_db(const char *storage_id, media_storage_h *storage);
66 * @brief Gets the count of media storage for the passed @a filter from the media database.
67 * @since_tizen @if MOBILE 2.4 @elseif WEARABLE 3.0 @endif
69 * @param[in] filter The handle to the media filter
70 * @param[out] storage_count The count of storage
72 * @return @c 0 on success,
73 * otherwise a negative error value
75 * @retval #MEDIA_CONTENT_ERROR_NONE Successful
76 * @retval #MEDIA_CONTENT_ERROR_INVALID_PARAMETER Invalid parameter
77 * @retval #MEDIA_CONTENT_ERROR_INVALID_OPERATION Invalid operation
78 * @retval #MEDIA_CONTENT_ERROR_DB_FAILED DB Operation failed
79 * @retval #MEDIA_CONTENT_ERROR_DB_BUSY DB Operation busy
80 * @retval #MEDIA_CONTENT_ERROR_PERMISSION_DENIED Permission denied
82 * @pre This function requires opened connection to content service by media_content_connect().
84 * @see media_content_connect()
86 int media_storage_get_storage_count_from_db(filter_h filter, int *storage_count);
89 * @brief Iterates through media storage from the media database.
90 * @details This function gets all media storage handles meeting the given @a filter.
91 * The @a callback function will be invoked for every retrieved media storage.
92 * If @c NULL is passed to the @a filter, then no filtering is applied.
94 * @since_tizen @if MOBILE 2.4 @elseif WEARABLE 3.0 @endif
96 * @param[in] filter The handle to the media filter
97 * @param[in] callback The callback function to be invoked
98 * @param[in] user_data The user data to be passed to the callback function
100 * @return @c 0 on success,
101 * otherwise a negative error value
103 * @retval #MEDIA_CONTENT_ERROR_NONE Successful
104 * @retval #MEDIA_CONTENT_ERROR_INVALID_PARAMETER Invalid parameter
105 * @retval #MEDIA_CONTENT_ERROR_OUT_OF_MEMORY Out of memory
106 * @retval #MEDIA_CONTENT_ERROR_DB_FAILED DB Operation failed
107 * @retval #MEDIA_CONTENT_ERROR_DB_BUSY DB Operation busy
108 * @retval #MEDIA_CONTENT_ERROR_PERMISSION_DENIED Permission denied
110 * @pre This function requires opened connection to content service by media_content_connect().
111 * @post This function invokes media_storage_destroy().
113 * @see media_content_connect()
114 * @see media_storage_destroy()
116 int media_storage_foreach_storage_from_db(filter_h filter, media_storage_cb callback, void *user_data);
119 * @brief Gets the count of media files for the passed @a filter in the given @a storage_id from the media database.
120 * @since_tizen @if MOBILE 2.4 @elseif WEARABLE 3.0 @endif
122 * @param[in] storage_id The ID of the media storage
123 * @param[in] filter The handle to the media filter
124 * @param[out] media_count The count of media storage items
126 * @return @c 0 on success,
127 * otherwise a negative error value
129 * @retval #MEDIA_CONTENT_ERROR_NONE Successful
130 * @retval #MEDIA_CONTENT_ERROR_INVALID_PARAMETER Invalid parameter
131 * @retval #MEDIA_CONTENT_ERROR_DB_FAILED DB Operation failed
132 * @retval #MEDIA_CONTENT_ERROR_DB_BUSY DB Operation busy
133 * @retval #MEDIA_CONTENT_ERROR_PERMISSION_DENIED Permission denied
135 * @pre This function requires opened connection to content service by media_content_connect().
137 * @see media_content_connect()
139 int media_storage_get_media_count_from_db(const char *storage_id, filter_h filter, int *media_count);
142 * @brief Iterates through the media files with an optional @a filter in the given @a storage_id from the media database.
143 * @details This function gets all media files associated with the given storage and
144 * meeting desired filter option and calls @a callback for
145 * every retrieved media item. If @c NULL is passed to the @a filter, no filtering is applied.
147 * @since_tizen @if MOBILE 2.4 @elseif WEARABLE 3.0 @endif
149 * @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,
150 * your callback function is invoked as inline function. \n
151 * So, your callback function is in read state in SQLite. When you are in read state, sometimes you do not update DB. \n
152 * We do not recommend you call updating DB function in callback of foreach function.
154 * @param[in] storage_id The ID of the media storage
155 * @param[in] filter The handle to the media filter
156 * @param[in] callback The callback function to be invoked
157 * @param[in] user_data The user data to be passed to the callback function
159 * @return @c 0 on success,
160 * otherwise a negative error value
162 * @retval #MEDIA_CONTENT_ERROR_NONE Successful
163 * @retval #MEDIA_CONTENT_ERROR_INVALID_PARAMETER Invalid parameter
164 * @retval #MEDIA_CONTENT_ERROR_OUT_OF_MEMORY Out of memory
165 * @retval #MEDIA_CONTENT_ERROR_DB_FAILED DB Operation failed
166 * @retval #MEDIA_CONTENT_ERROR_DB_BUSY DB Operation busy
167 * @retval #MEDIA_CONTENT_ERROR_PERMISSION_DENIED Permission denied
169 * @pre This function requires opened connection to content service by media_content_connect().
170 * @post This function invokes media_info_cb().
172 * @see #media_info_cb
173 * @see media_content_connect()
174 * @see media_filter_create()
176 int media_storage_foreach_media_from_db(const char *storage_id, filter_h filter, media_info_cb callback, void *user_data);
179 * @brief Destroys media storage handle.
180 * @details The function frees all resources related to the media storage handle. This handle
181 * can no longer be used to perform any operation. New media storage handle has to
182 * be created before the next usage.
184 * @since_tizen @if MOBILE 2.4 @elseif WEARABLE 3.0 @endif
186 * @param[in] storage The media storage handle
188 * @return @c 0 on success,
189 * otherwise a negative error value
191 * @retval #MEDIA_CONTENT_ERROR_NONE Successful
192 * @retval #MEDIA_CONTENT_ERROR_INVALID_PARAMETER Invalid parameter
194 * @pre Get copy of media_storage_h handle by calling media_storage_clone().
196 * @see media_storage_clone()
198 int media_storage_destroy(media_storage_h storage);
201 * @brief Clones the media storage handle.
203 * @details This function copies the media storage handle from a source to the destination.
204 * There is no media_storage_create() function. The media_storage_h is created internally and
205 * available through media storage foreach function such as media_storage_foreach_storage_from_db().
206 * To use this handle outside of these foreach functions, use this function.
208 * @since_tizen @if MOBILE 2.4 @elseif WEARABLE 3.0 @endif
210 * @remarksThe @a dst should be released using media_storage_destroy().
212 * @param[out] dst The destination handle to the media storage
213 * @param[in] src The source handle to the media storage
215 * @return @c 0 on success,
216 * otherwise a negative error value
218 * @retval #MEDIA_CONTENT_ERROR_NONE Successful
219 * @retval #MEDIA_CONTENT_ERROR_OUT_OF_MEMORY Out of memory
220 * @retval #MEDIA_CONTENT_ERROR_INVALID_PARAMETER Invalid parameter
222 * @see media_storage_destroy()
223 * @see media_storage_foreach_storage_from_db()
224 * @see media_storage_get_storage_info_from_db()
226 int media_storage_clone(media_storage_h *dst, media_storage_h src);
229 * @brief Gets the storage id of media storage.
230 * @since_tizen @if MOBILE 2.4 @elseif WEARABLE 3.0 @endif
232 * @remarks The @a storage_id should be released using free().
234 * @param[in] storage The media storage handle
235 * @param[out] storage_id The ID of the media storage
237 * @return @c 0 on success,
238 * otherwise a negative error value
240 * @retval #MEDIA_CONTENT_ERROR_NONE Successful
241 * @retval #MEDIA_CONTENT_ERROR_INVALID_PARAMETER Invalid parameter
242 * @retval #MEDIA_CONTENT_ERROR_OUT_OF_MEMORY Out of memory
244 int media_storage_get_id(media_storage_h storage, char **storage_id);
247 * @deprecated Deprecated since 4.0.
248 * @brief Gets the storage name of media storage.
249 * @since_tizen @if MOBILE 2.4 @elseif WEARABLE 3.0 @endif
251 * @remarks The @a storage_name should be released using free().
252 * If the requested storage is not the cloud storage, this function 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) TIZEN_DEPRECATED_API;
267 * @brief Gets the storage path of media storage.
268 * @since_tizen @if MOBILE 2.4 @elseif WEARABLE 3.0 @endif
270 * @remarks The @a storage_path should be released 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_CONTENT_MEDIA_STORAGE_H__ */