gavl
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00001 /***************************************************************** 00002 * gavl - a general purpose audio/video processing library 00003 * 00004 * Copyright (c) 2001 - 2012 Members of the Gmerlin project 00005 * gmerlin-general@lists.sourceforge.net 00006 * http://gmerlin.sourceforge.net 00007 * 00008 * This program is free software: you can redistribute it and/or modify 00009 * it under the terms of the GNU General Public License as published by 00010 * the Free Software Foundation, either version 2 of the License, or 00011 * (at your option) any later version. 00012 * 00013 * This program is distributed in the hope that it will be useful, 00014 * but WITHOUT ANY WARRANTY; without even the implied warranty of 00015 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 00016 * GNU General Public License for more details. 00017 * 00018 * You should have received a copy of the GNU General Public License 00019 * along with this program. If not, see <http://www.gnu.org/licenses/>. 00020 * *****************************************************************/ 00021 00022 #ifndef GAVL_METADATA_H_INCLUDED 00023 #define GAVL_METADATA_H_INCLUDED 00024 00025 #ifdef __cplusplus 00026 extern "C" { 00027 #endif 00028 00029 #include <inttypes.h> 00030 00031 #include <gavl/gavldefs.h> 00032 00056 #define GAVL_METADATA_DATE_STRING_LEN 11 00057 00061 #define GAVL_METADATA_DATE_TIME_STRING_LEN 20 00062 00066 typedef struct 00067 { 00068 char * key; 00069 char * val; 00070 } gavl_metadata_tag_t; 00071 00076 typedef struct 00077 { 00078 gavl_metadata_tag_t * tags; 00079 int tags_alloc; 00080 int num_tags; 00081 } gavl_metadata_t; 00082 00087 GAVL_PUBLIC void 00088 gavl_metadata_free(gavl_metadata_t * m); 00089 00098 GAVL_PUBLIC void 00099 gavl_metadata_init(gavl_metadata_t * m); 00100 00109 GAVL_PUBLIC void 00110 gavl_metadata_set(gavl_metadata_t * m, 00111 const char * key, 00112 const char * val); 00113 00123 GAVL_PUBLIC void 00124 gavl_metadata_set_nocpy(gavl_metadata_t * m, 00125 const char * key, 00126 char * val); 00127 00134 GAVL_PUBLIC 00135 const char * gavl_metadata_get(const gavl_metadata_t * m, 00136 const char * key); 00137 00144 GAVL_PUBLIC 00145 const char * gavl_metadata_get_i(const gavl_metadata_t * m, 00146 const char * key); 00147 00154 GAVL_PUBLIC void 00155 gavl_metadata_set_int(gavl_metadata_t * m, 00156 const char * key, 00157 int val); 00158 00165 GAVL_PUBLIC void 00166 gavl_metadata_set_long(gavl_metadata_t * m, 00167 const char * key, 00168 int64_t val); 00169 00177 GAVL_PUBLIC 00178 int gavl_metadata_get_int(const gavl_metadata_t * m, 00179 const char * key, int * ret); 00180 00188 GAVL_PUBLIC 00189 int gavl_metadata_get_long(const gavl_metadata_t * m, 00190 const char * key, int64_t * ret); 00191 00199 GAVL_PUBLIC 00200 int gavl_metadata_get_int_i(const gavl_metadata_t * m, 00201 const char * key, int * ret); 00202 00210 GAVL_PUBLIC 00211 int gavl_metadata_get_long_i(const gavl_metadata_t * m, 00212 const char * key, int64_t * ret); 00213 00214 00215 00224 GAVL_PUBLIC void 00225 gavl_metadata_set_date(gavl_metadata_t * m, 00226 const char * key, 00227 int year, 00228 int month, 00229 int day); 00230 00240 GAVL_PUBLIC int 00241 gavl_metadata_get_date(gavl_metadata_t * m, 00242 const char * key, 00243 int * year, 00244 int * month, 00245 int * day); 00246 00258 GAVL_PUBLIC void 00259 gavl_metadata_set_date_time(gavl_metadata_t * m, 00260 const char * key, 00261 int year, 00262 int month, 00263 int day, 00264 int hour, 00265 int minute, 00266 int second); 00267 00280 GAVL_PUBLIC int 00281 gavl_metadata_get_date_time(gavl_metadata_t * m, 00282 const char * key, 00283 int * year, 00284 int * month, 00285 int * day, 00286 int * hour, 00287 int * minute, 00288 int * second); 00289 00300 GAVL_PUBLIC void 00301 gavl_metadata_date_to_string(int year, 00302 int month, 00303 int day, char * ret); 00304 00318 GAVL_PUBLIC void 00319 gavl_metadata_date_time_to_string(int year, 00320 int month, 00321 int day, 00322 int hour, 00323 int minute, 00324 int second, 00325 char * ret); 00326 00337 GAVL_PUBLIC 00338 void gavl_metadata_merge(gavl_metadata_t * dst, 00339 const gavl_metadata_t * src1, 00340 const gavl_metadata_t * src2); 00341 00350 GAVL_PUBLIC 00351 void gavl_metadata_merge2(gavl_metadata_t * dst, 00352 const gavl_metadata_t * src); 00353 00361 GAVL_PUBLIC void 00362 gavl_metadata_copy(gavl_metadata_t * dst, 00363 const gavl_metadata_t * src); 00364 00370 GAVL_PUBLIC void 00371 gavl_metadata_dump(const gavl_metadata_t * m, int indent); 00372 00379 GAVL_PUBLIC int 00380 gavl_metadata_equal(const gavl_metadata_t * m1, 00381 const gavl_metadata_t * m2); 00382 00392 GAVL_PUBLIC void 00393 gavl_metadata_delete_compression_fields(gavl_metadata_t * m); 00394 00401 GAVL_PUBLIC void 00402 gavl_metadata_delete_implicit_fields(gavl_metadata_t * m); 00403 00411 GAVL_PUBLIC void 00412 gavl_metadata_set_endian(gavl_metadata_t * m); 00413 00419 GAVL_PUBLIC int 00420 gavl_metadata_do_swap_endian(const gavl_metadata_t * m); 00421 00422 00423 00428 #ifdef __cplusplus 00429 } 00430 #endif 00431 00432 #endif // GAVL_METADATA_H_INCLUDED