3aeb7fad9a
get_long_be shifts an unsigned char left--which results in a signed int. It then implicitly casts to unsigned long, which sign-extends the int, leaving unwanted 1's in the upper bits. This affects AIFF. git-svn-id: svn://svn.rockbox.org/rockbox/trunk@30364 a1c6a512-1295-4272-9138-f99709370657
69 lines
2.5 KiB
C
69 lines
2.5 KiB
C
/***************************************************************************
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* __________ __ ___.
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* Open \______ \ ____ ____ | | _\_ |__ _______ ___
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* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
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* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
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* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
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* \/ \/ \/ \/ \/
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* $Id$
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*
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* Copyright (C) 2005 Dave Chapman
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
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* KIND, either express or implied.
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*
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****************************************************************************/
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#include <inttypes.h>
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#include "metadata.h"
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#ifdef ROCKBOX_BIG_ENDIAN
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#define IS_BIG_ENDIAN 1
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#else
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#define IS_BIG_ENDIAN 0
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#endif
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#define TAG_NAME_LENGTH 32
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#define TAG_VALUE_LENGTH 128
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#define FOURCC(a,b,c,d) (((a)<<24) | ((b) << 16) | ((c) << 8) | (d))
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enum tagtype { TAGTYPE_APE = 1, TAGTYPE_VORBIS };
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bool read_ape_tags(int fd, struct mp3entry* id3);
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long read_vorbis_tags(int fd, struct mp3entry *id3,
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long tag_remaining);
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bool skip_id3v2(int fd, struct mp3entry *id3);
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long read_string(int fd, char* buf, long buf_size, int eos, long size);
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int read_uint8(int fd, uint8_t* buf);
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#ifdef ROCKBOX_BIG_ENDIAN
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#define read_uint16be(fd,buf) read((fd), (buf), 2)
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#define read_uint32be(fd,buf) read((fd), (buf), 4)
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#define read_uint64be(fd,buf) read((fd), (buf), 8)
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int read_uint16le(int fd, uint16_t* buf);
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int read_uint32le(int fd, uint32_t* buf);
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int read_uint64le(int fd, uint64_t* buf);
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#else
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int read_uint16be(int fd, uint16_t* buf);
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int read_uint32be(int fd, uint32_t* buf);
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int read_uint64be(int fd, uint64_t* buf);
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#define read_uint16le(fd,buf) read((fd), (buf), 2)
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#define read_uint32le(fd,buf) read((fd), (buf), 4)
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#define read_uint64le(fd,buf) read((fd), (buf), 8)
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#endif
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uint64_t get_uint64_le(void* buf);
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uint32_t get_long_le(void* buf);
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uint16_t get_short_le(void* buf);
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uint32_t get_long_be(void* buf);
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uint16_t get_short_be(void* buf);
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int32_t get_slong(void* buf);
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uint32_t get_itunes_int32(char* value, int count);
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long parse_tag(const char* name, char* value, struct mp3entry* id3,
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char* buf, long buf_remaining, enum tagtype type);
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