apps/metadata/metadata_common.h

   1 /***************************************************************************
   2  *             __________               __   ___.
   3  *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
   4  *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
   5  *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
   6  *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
   7  *                     \/            \/     \/    \/            \/
   8  * $Id$
   9  *
  10  * Copyright (C) 2005 Dave Chapman
  11  *
  12  * All files in this archive are subject to the GNU General Public License.
  13  * See the file COPYING in the source tree root for full license agreement.
  14  *
  15  * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
  16  * KIND, either express or implied.
  17  *
  18  ****************************************************************************/
  19 #include "id3.h"
  20
  21 #ifdef ROCKBOX_BIG_ENDIAN
  22 #define IS_BIG_ENDIAN 1
  23 #else
  24 #define IS_BIG_ENDIAN 0
  25 #endif
  26
  27 #define TAG_NAME_LENGTH             32
  28 #define TAG_VALUE_LENGTH            128
  29
  30 enum tagtype { TAGTYPE_APE = 1, TAGTYPE_VORBIS };
  31
  32 bool read_ape_tags(int fd, struct mp3entry* id3);
  33 bool read_vorbis_tags(int fd, struct mp3entry *id3,
  34     long tag_remaining);
  35
  36 bool skip_id3v2(int fd, struct mp3entry *id3);
  37 long read_string(int fd, char* buf, long buf_size, int eos, long size);
  38
  39 #ifdef ROCKBOX_BIG_ENDIAN
  40 #define read_uint32be(fd,buf) read((fd), (buf), 4)
  41 int read_uint16le(int fd, uint16_t* buf);
  42 int read_uint32le(int fd, uint32_t* buf);
  43 int read_uint64le(int fd, uint64_t* buf);
  44 #else
  45 int read_uint32be(int fd, unsigned int* buf);
  46 #define read_uint16le(fd,buf) read((fd), (buf), 2)
  47 #define read_uint32le(fd,buf) read((fd), (buf), 4)
  48 #define read_uint64le(fd,buf) read((fd), (buf), 8)
  49 #endif
  50
  51 unsigned long get_long_le(void* buf);
  52 unsigned short get_short_le(void* buf);
  53 unsigned long get_long_be(void* buf);
  54 long get_slong(void* buf);
  55 unsigned long get_itunes_int32(char* value, int count);
  56 long parse_tag(const char* name, char* value, struct mp3entry* id3,
  57     char* buf, long buf_remaining, enum tagtype type);