312 lines
11 KiB
C
Executable File
312 lines
11 KiB
C
Executable File
/*
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* ttadec.h
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*
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* Description: TTAv1 decoder definitions and prototypes
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* Developed by: Alexander Djourik <ald@true-audio.com>
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* Pavel Zhilin <pzh@true-audio.com>
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*
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* Copyright (c) 2004 True Audio Software. All rights reserved.
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*
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*/
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/*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the True Audio Software nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef TTADEC_H_
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#define TTADEC_H_
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#ifdef _WIN32
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#pragma pack(push, 1)
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#define __ATTRIBUTE_PACKED__
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#else
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#define __ATTRIBUTE_PACKED__ __attribute__((packed))
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#endif
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#define TTA1_SIGN 0x31415454
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#define FRAME_TIME 1.04489795918367346939
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#define MAX_ORDER 8
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#ifndef WAVE_FORMAT_PCM
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#define WAVE_FORMAT_PCM 1
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#endif
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#ifdef _WIN32
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typedef unsigned __int64 uint64;
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#else
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typedef unsigned long long uint64;
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#endif
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const unsigned int crc32_table[256] = {
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0x00000000, 0x77073096, 0xee0e612c, 0x990951ba,
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0x076dc419, 0x706af48f, 0xe963a535, 0x9e6495a3,
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0x0edb8832, 0x79dcb8a4, 0xe0d5e91e, 0x97d2d988,
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0x09b64c2b, 0x7eb17cbd, 0xe7b82d07, 0x90bf1d91,
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0x1db71064, 0x6ab020f2, 0xf3b97148, 0x84be41de,
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0x1adad47d, 0x6ddde4eb, 0xf4d4b551, 0x83d385c7,
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0x136c9856, 0x646ba8c0, 0xfd62f97a, 0x8a65c9ec,
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0x14015c4f, 0x63066cd9, 0xfa0f3d63, 0x8d080df5,
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0x3b6e20c8, 0x4c69105e, 0xd56041e4, 0xa2677172,
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0x3c03e4d1, 0x4b04d447, 0xd20d85fd, 0xa50ab56b,
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0x35b5a8fa, 0x42b2986c, 0xdbbbc9d6, 0xacbcf940,
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0x32d86ce3, 0x45df5c75, 0xdcd60dcf, 0xabd13d59,
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0x26d930ac, 0x51de003a, 0xc8d75180, 0xbfd06116,
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0x21b4f4b5, 0x56b3c423, 0xcfba9599, 0xb8bda50f,
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0x2802b89e, 0x5f058808, 0xc60cd9b2, 0xb10be924,
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0x2f6f7c87, 0x58684c11, 0xc1611dab, 0xb6662d3d,
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0x76dc4190, 0x01db7106, 0x98d220bc, 0xefd5102a,
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0x71b18589, 0x06b6b51f, 0x9fbfe4a5, 0xe8b8d433,
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0x7807c9a2, 0x0f00f934, 0x9609a88e, 0xe10e9818,
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0x7f6a0dbb, 0x086d3d2d, 0x91646c97, 0xe6635c01,
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0x6b6b51f4, 0x1c6c6162, 0x856530d8, 0xf262004e,
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0x6c0695ed, 0x1b01a57b, 0x8208f4c1, 0xf50fc457,
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0x65b0d9c6, 0x12b7e950, 0x8bbeb8ea, 0xfcb9887c,
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0x62dd1ddf, 0x15da2d49, 0x8cd37cf3, 0xfbd44c65,
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0x4db26158, 0x3ab551ce, 0xa3bc0074, 0xd4bb30e2,
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0x4adfa541, 0x3dd895d7, 0xa4d1c46d, 0xd3d6f4fb,
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0x4369e96a, 0x346ed9fc, 0xad678846, 0xda60b8d0,
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0x44042d73, 0x33031de5, 0xaa0a4c5f, 0xdd0d7cc9,
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0x5005713c, 0x270241aa, 0xbe0b1010, 0xc90c2086,
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0x5768b525, 0x206f85b3, 0xb966d409, 0xce61e49f,
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0x5edef90e, 0x29d9c998, 0xb0d09822, 0xc7d7a8b4,
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0x59b33d17, 0x2eb40d81, 0xb7bd5c3b, 0xc0ba6cad,
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0xedb88320, 0x9abfb3b6, 0x03b6e20c, 0x74b1d29a,
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0xead54739, 0x9dd277af, 0x04db2615, 0x73dc1683,
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0xe3630b12, 0x94643b84, 0x0d6d6a3e, 0x7a6a5aa8,
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0xe40ecf0b, 0x9309ff9d, 0x0a00ae27, 0x7d079eb1,
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0xf00f9344, 0x8708a3d2, 0x1e01f268, 0x6906c2fe,
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0xf762575d, 0x806567cb, 0x196c3671, 0x6e6b06e7,
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0xfed41b76, 0x89d32be0, 0x10da7a5a, 0x67dd4acc,
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0xf9b9df6f, 0x8ebeeff9, 0x17b7be43, 0x60b08ed5,
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0xd6d6a3e8, 0xa1d1937e, 0x38d8c2c4, 0x4fdff252,
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0xd1bb67f1, 0xa6bc5767, 0x3fb506dd, 0x48b2364b,
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0xd80d2bda, 0xaf0a1b4c, 0x36034af6, 0x41047a60,
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0xdf60efc3, 0xa867df55, 0x316e8eef, 0x4669be79,
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0xcb61b38c, 0xbc66831a, 0x256fd2a0, 0x5268e236,
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0xcc0c7795, 0xbb0b4703, 0x220216b9, 0x5505262f,
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0xc5ba3bbe, 0xb2bd0b28, 0x2bb45a92, 0x5cb36a04,
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0xc2d7ffa7, 0xb5d0cf31, 0x2cd99e8b, 0x5bdeae1d,
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0x9b64c2b0, 0xec63f226, 0x756aa39c, 0x026d930a,
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0x9c0906a9, 0xeb0e363f, 0x72076785, 0x05005713,
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0x95bf4a82, 0xe2b87a14, 0x7bb12bae, 0x0cb61b38,
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0x92d28e9b, 0xe5d5be0d, 0x7cdcefb7, 0x0bdbdf21,
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0x86d3d2d4, 0xf1d4e242, 0x68ddb3f8, 0x1fda836e,
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0x81be16cd, 0xf6b9265b, 0x6fb077e1, 0x18b74777,
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0x88085ae6, 0xff0f6a70, 0x66063bca, 0x11010b5c,
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0x8f659eff, 0xf862ae69, 0x616bffd3, 0x166ccf45,
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0xa00ae278, 0xd70dd2ee, 0x4e048354, 0x3903b3c2,
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0xa7672661, 0xd06016f7, 0x4969474d, 0x3e6e77db,
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0xaed16a4a, 0xd9d65adc, 0x40df0b66, 0x37d83bf0,
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0xa9bcae53, 0xdebb9ec5, 0x47b2cf7f, 0x30b5ffe9,
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0xbdbdf21c, 0xcabac28a, 0x53b39330, 0x24b4a3a6,
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0xbad03605, 0xcdd70693, 0x54de5729, 0x23d967bf,
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0xb3667a2e, 0xc4614ab8, 0x5d681b02, 0x2a6f2b94,
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0xb40bbe37, 0xc30c8ea1, 0x5a05df1b, 0x2d02ef8d
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};
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const unsigned int bit_mask[] = {
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0x00000000, 0x00000001, 0x00000003, 0x00000007,
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0x0000000f, 0x0000001f, 0x0000003f, 0x0000007f,
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0x000000ff, 0x000001ff, 0x000003ff, 0x000007ff,
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0x00000fff, 0x00001fff, 0x00003fff, 0x00007fff,
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0x0000ffff, 0x0001ffff, 0x0003ffff, 0x0007ffff,
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0x000fffff, 0x001fffff, 0x003fffff, 0x007fffff,
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0x00ffffff, 0x01ffffff, 0x03ffffff, 0x07ffffff,
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0x0fffffff, 0x1fffffff, 0x3fffffff, 0x7fffffff,
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0xffffffff
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};
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const unsigned int bit_shift[] = {
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0x00000001, 0x00000002, 0x00000004, 0x00000008,
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0x00000010, 0x00000020, 0x00000040, 0x00000080,
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0x00000100, 0x00000200, 0x00000400, 0x00000800,
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0x00001000, 0x00002000, 0x00004000, 0x00008000,
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0x00010000, 0x00020000, 0x00040000, 0x00080000,
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0x00100000, 0x00200000, 0x00400000, 0x00800000,
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0x01000000, 0x02000000, 0x04000000, 0x08000000,
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0x10000000, 0x20000000, 0x40000000, 0x80000000,
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0x80000000, 0x80000000, 0x80000000, 0x80000000,
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0x80000000, 0x80000000, 0x80000000, 0x80000000
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};
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const unsigned int *shift_16 = bit_shift + 4;
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typedef unsigned char byte;
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#ifdef _BIG_ENDIAN
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#define ENDSWAP_INT16(x) (((((x)>>8)&0xFF)|(((x)&0xFF)<<8)))
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#define ENDSWAP_INT32(x) (((((x)>>24)&0xFF)|(((x)>>8)&0xFF00)|(((x)&0xFF00)<<8)|(((x)&0xFF)<<24)))
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#define WRITE_BUFFER(x, bsize, out) { \
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if (bsize > 2) *out++ = (byte)(*x >> 16); \
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if (bsize > 1) *out++ = (byte)(*x >> 8); \
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*out++ = (byte) *x; }
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#else
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#define ENDSWAP_INT16(x) (x)
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#define ENDSWAP_INT32(x) (x)
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#define WRITE_BUFFER(x, bsize, out) { \
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*out++ = (byte) *x; \
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if (bsize > 1) *out++ = (byte)(*x >> 8); \
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if (bsize > 2) *out++ = (byte)(*x >> 16); }
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#endif
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#define PREDICTOR1(x, k) ((int)((((uint64)x << k) - x) >> k))
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#define DEC(x) (((x)&1)?(++(x)>>1):(-(x)>>1))
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typedef struct {
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unsigned int TTAid;
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unsigned short AudioFormat;
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unsigned short NumChannels;
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unsigned short BitsPerSample;
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unsigned int SampleRate;
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unsigned int DataLength;
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unsigned int CRC32;
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} __ATTRIBUTE_PACKED__ tta_hdr;
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typedef struct {
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unsigned int k0;
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unsigned int k1;
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unsigned int sum0;
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unsigned int sum1;
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} adapt;
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typedef struct {
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int shift;
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int round;
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int error;
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int mutex;
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int qm[MAX_ORDER+1];
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int dx[MAX_ORDER+1];
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int dl[MAX_ORDER+1];
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} fltst;
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typedef struct {
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fltst fst;
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adapt rice;
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int last;
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} decoder;
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/*****************************************************************
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* ID3 reader definitions and prototypes *
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*****************************************************************/
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#define ID3_VERSION 3
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/* ID3 common headers set */
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#define TIT2 1
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#define TPE1 2
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#define TALB 3
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#define TRCK 4
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#define TYER 5
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#define TCON 6
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#define COMM 7
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/* ID3 tag checked flags */
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#define ID3_UNSYNCHRONISATION_FLAG 0x80
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#define ID3_EXTENDEDHEADER_FLAG 0x40
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#define ID3_EXPERIMENTALTAG_FLAG 0x20
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#define ID3_FOOTERPRESENT_FLAG 0x10
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/* ID3 frame checked flags */
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#define FRAME_COMPRESSION_FLAG 0x0008
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#define FRAME_ENCRYPTION_FLAG 0x0004
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#define FRAME_UNSYNCHRONISATION_FLAG 0x0002
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/* ID3 field text encoding */
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#define FIELD_TEXT_ISO_8859_1 0x00
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#define FIELD_TEXT_UTF_16 0x01
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#define FIELD_TEXT_UTF_16BE 0x02
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#define FIELD_TEXT_UTF_8 0x03
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typedef struct {
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unsigned char id[3];
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unsigned char title[30];
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unsigned char artist[30];
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unsigned char album[30];
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unsigned char year[4];
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unsigned char comment[28];
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unsigned char zero;
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unsigned char track;
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unsigned char genre;
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} __ATTRIBUTE_PACKED__ id3v1_tag;
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typedef struct {
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unsigned char id[3];
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unsigned short version;
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unsigned char flags;
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unsigned char size[4];
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} __ATTRIBUTE_PACKED__ id3v2_tag;
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typedef struct {
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unsigned char id[4];
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unsigned char size[4];
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unsigned short flags;
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} __ATTRIBUTE_PACKED__ id3v2_frame;
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static char *genre[] = {
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"Blues", "Classic Rock", "Country", "Dance", "Disco", "Funk",
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"Grunge", "Hip-Hop", "Jazz", "Metal", "New Age", "Oldies",
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"Other", "Pop", "R&B", "Rap", "Reggae", "Rock", "Techno",
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"Industrial", "Alternative", "Ska", "Death Metal", "Pranks",
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"Soundtrack", "Euro-Techno", "Ambient", "Trip-Hop", "Vocal",
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"Jazz+Funk", "Fusion", "Trance", "Classical", "Instrumental",
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"Acid", "House", "Game", "Sound Clip", "Gospel", "Noise",
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"AlternRock", "Bass", "Soul", "Punk", "Space", "Meditative",
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"Instrumental Pop", "Instrumental Rock", "Ethnic", "Gothic",
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"Darkwave", "Techno-Industrial", "Electronic", "Pop-Folk",
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"Eurodance", "Dream", "Southern Rock", "Comedy", "Cult",
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"Gangsta", "Top 40", "Christian Rap", "Pop/Funk", "Jungle",
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"Native American", "Cabaret", "New Wave", "Psychedelic",
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"Rave", "Showtunes", "Trailer", "Lo-Fi", "Tribal","Acid Punk",
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"Acid Jazz", "Polka", "Retro", "Musical", "Rock & Roll",
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"Hard Rock", "Folk", "Folk/Rock", "National Folk", "Swing",
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"Fast-Fusion", "Bebob", "Latin", "Revival", "Celtic",
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"Bluegrass", "Avantgarde", "Gothic Rock", "Progressive Rock",
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"Psychedelic Rock", "Symphonic Rock", "Slow Rock", "Big Band",
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"Chorus", "Easy Listening", "Acoustic", "Humour", "Speech",
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"Chanson", "Opera", "Chamber Music", "Sonata", "Symphony",
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"Booty Bass", "Primus", "Porn Groove", "Satire", "Slow Jam",
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"Club", "Tango", "Samba", "Folklore", "Ballad", "Power Ballad",
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"Rhythmic Soul", "Freestyle", "Duet", "Punk Rock", "Drum Solo",
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"A Cappella", "Euro-House", "Dance Hall", "Goa", "Drum & Bass",
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"Club-House", "Hardcore", "Terror", "Indie", "BritPop",
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"Negerpunk", "Polsk Punk", "Beat", "Christian Gangsta Rap",
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"Heavy Metal", "Black Metal", "Crossover",
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"Contemporary Christian", "Christian Rock", "Merengue",
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"Salsa", "Thrash Metal", "Anime", "JPop", "Synthpop"
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};
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#define GENRES (sizeof genre / sizeof genre[0])
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#ifdef _WIN32
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#pragma pack(pop)
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#endif
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#endif /* TTADEC_H_ */
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