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ttadec.h
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上传日期：2014-04-03
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文件大小：11k
源码类别：

Windows CE

开发平台：

C/C++

ttadec.h：源码内容
  1. /*
  2.  * ttadec.h
  3.  *
  4.  * Description:  TTAv1 decoder definitions and prototypes
  5.  * Developed by: Alexander Djourik <ald@true-audio.com>
  6.  *               Pavel Zhilin <pzh@true-audio.com>
  7.  *
  8.  * Copyright (c) 2004 True Audio Software. All rights reserved.
  9.  *
  10.  */
  12. /*
  13.  * Redistribution and use in source and binary forms, with or without
  14.  * modification, are permitted provided that the following conditions
  15.  * are met:
  16.  *
  17.  * 1. Redistributions of source code must retain the above copyright
  18.  *    notice, this list of conditions and the following disclaimer.
  19.  * 2. Redistributions in binary form must reproduce the above copyright
  20.  *    notice, this list of conditions and the following disclaimer in the
  21.  *    documentation and/or other materials provided with the distribution.
  22.  * 3. Neither the name of the True Audio Software nor the names of its
  23.  *    contributors may be used to endorse or promote products derived
  24.  *    from this software without specific prior written permission.
  25.  *
  26.  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  27.  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  28.  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  29.  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  30.  * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  31.  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  32.  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  33.  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  34.  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  35.  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  36.  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  37.  */
  39. #ifndef TTADEC_H_
  40. #define TTADEC_H_
  42. #ifdef _WIN32
  43. #pragma pack(push, 1)
  44. #define __ATTRIBUTE_PACKED__
  45. #else
  46. #define __ATTRIBUTE_PACKED__ __attribute__((packed))
  47. #endif
  49. #define TTA1_SIGN 0x31415454
  50. #define FRAME_TIME 1.04489795918367346939
  51. #define MAX_ORDER 8
  53. #ifndef WAVE_FORMAT_PCM
  54. #define WAVE_FORMAT_PCM 1
  55. #endif
  57. #ifdef _WIN32
  58. typedef unsigned __int64 uint64;
  59. #else
  60. typedef unsigned long long uint64;
  61. #endif
  63. const unsigned int crc32_table[256] = {
  64. 0x00000000, 0x77073096, 0xee0e612c, 0x990951ba,
  65. 0x076dc419, 0x706af48f, 0xe963a535, 0x9e6495a3,
  66. 0x0edb8832, 0x79dcb8a4, 0xe0d5e91e, 0x97d2d988,
  67. 0x09b64c2b, 0x7eb17cbd, 0xe7b82d07, 0x90bf1d91,
  68. 0x1db71064, 0x6ab020f2, 0xf3b97148, 0x84be41de,
  69. 0x1adad47d, 0x6ddde4eb, 0xf4d4b551, 0x83d385c7,
  70. 0x136c9856, 0x646ba8c0, 0xfd62f97a, 0x8a65c9ec,
  71. 0x14015c4f, 0x63066cd9, 0xfa0f3d63, 0x8d080df5,
  72. 0x3b6e20c8, 0x4c69105e, 0xd56041e4, 0xa2677172,
  73. 0x3c03e4d1, 0x4b04d447, 0xd20d85fd, 0xa50ab56b,
  74. 0x35b5a8fa, 0x42b2986c, 0xdbbbc9d6, 0xacbcf940,
  75. 0x32d86ce3, 0x45df5c75, 0xdcd60dcf, 0xabd13d59,
  76. 0x26d930ac, 0x51de003a, 0xc8d75180, 0xbfd06116,
  77. 0x21b4f4b5, 0x56b3c423, 0xcfba9599, 0xb8bda50f,
  78. 0x2802b89e, 0x5f058808, 0xc60cd9b2, 0xb10be924,
  79. 0x2f6f7c87, 0x58684c11, 0xc1611dab, 0xb6662d3d,
  80. 0x76dc4190, 0x01db7106, 0x98d220bc, 0xefd5102a,
  81. 0x71b18589, 0x06b6b51f, 0x9fbfe4a5, 0xe8b8d433,
  82. 0x7807c9a2, 0x0f00f934, 0x9609a88e, 0xe10e9818,
  83. 0x7f6a0dbb, 0x086d3d2d, 0x91646c97, 0xe6635c01,
  84. 0x6b6b51f4, 0x1c6c6162, 0x856530d8, 0xf262004e,
  85. 0x6c0695ed, 0x1b01a57b, 0x8208f4c1, 0xf50fc457,
  86. 0x65b0d9c6, 0x12b7e950, 0x8bbeb8ea, 0xfcb9887c,
  87. 0x62dd1ddf, 0x15da2d49, 0x8cd37cf3, 0xfbd44c65,
  88. 0x4db26158, 0x3ab551ce, 0xa3bc0074, 0xd4bb30e2,
  89. 0x4adfa541, 0x3dd895d7, 0xa4d1c46d, 0xd3d6f4fb,
  90. 0x4369e96a, 0x346ed9fc, 0xad678846, 0xda60b8d0,
  91. 0x44042d73, 0x33031de5, 0xaa0a4c5f, 0xdd0d7cc9,
  92. 0x5005713c, 0x270241aa, 0xbe0b1010, 0xc90c2086,
  93. 0x5768b525, 0x206f85b3, 0xb966d409, 0xce61e49f,
  94. 0x5edef90e, 0x29d9c998, 0xb0d09822, 0xc7d7a8b4,
  95. 0x59b33d17, 0x2eb40d81, 0xb7bd5c3b, 0xc0ba6cad,
  96. 0xedb88320, 0x9abfb3b6, 0x03b6e20c, 0x74b1d29a,
  97. 0xead54739, 0x9dd277af, 0x04db2615, 0x73dc1683,
  98. 0xe3630b12, 0x94643b84, 0x0d6d6a3e, 0x7a6a5aa8,
  99. 0xe40ecf0b, 0x9309ff9d, 0x0a00ae27, 0x7d079eb1,
  100. 0xf00f9344, 0x8708a3d2, 0x1e01f268, 0x6906c2fe,
  101. 0xf762575d, 0x806567cb, 0x196c3671, 0x6e6b06e7,
  102. 0xfed41b76, 0x89d32be0, 0x10da7a5a, 0x67dd4acc,
  103. 0xf9b9df6f, 0x8ebeeff9, 0x17b7be43, 0x60b08ed5,
  104. 0xd6d6a3e8, 0xa1d1937e, 0x38d8c2c4, 0x4fdff252,
  105. 0xd1bb67f1, 0xa6bc5767, 0x3fb506dd, 0x48b2364b,
  106. 0xd80d2bda, 0xaf0a1b4c, 0x36034af6, 0x41047a60,
  107. 0xdf60efc3, 0xa867df55, 0x316e8eef, 0x4669be79,
  108. 0xcb61b38c, 0xbc66831a, 0x256fd2a0, 0x5268e236,
  109. 0xcc0c7795, 0xbb0b4703, 0x220216b9, 0x5505262f,
  110. 0xc5ba3bbe, 0xb2bd0b28, 0x2bb45a92, 0x5cb36a04,
  111. 0xc2d7ffa7, 0xb5d0cf31, 0x2cd99e8b, 0x5bdeae1d,
  112. 0x9b64c2b0, 0xec63f226, 0x756aa39c, 0x026d930a,
  113. 0x9c0906a9, 0xeb0e363f, 0x72076785, 0x05005713,
  114. 0x95bf4a82, 0xe2b87a14, 0x7bb12bae, 0x0cb61b38,
  115. 0x92d28e9b, 0xe5d5be0d, 0x7cdcefb7, 0x0bdbdf21,
  116. 0x86d3d2d4, 0xf1d4e242, 0x68ddb3f8, 0x1fda836e,
  117. 0x81be16cd, 0xf6b9265b, 0x6fb077e1, 0x18b74777,
  118. 0x88085ae6, 0xff0f6a70, 0x66063bca, 0x11010b5c,
  119. 0x8f659eff, 0xf862ae69, 0x616bffd3, 0x166ccf45,
  120. 0xa00ae278, 0xd70dd2ee, 0x4e048354, 0x3903b3c2,
  121. 0xa7672661, 0xd06016f7, 0x4969474d, 0x3e6e77db,
  122. 0xaed16a4a, 0xd9d65adc, 0x40df0b66, 0x37d83bf0,
  123. 0xa9bcae53, 0xdebb9ec5, 0x47b2cf7f, 0x30b5ffe9,
  124. 0xbdbdf21c, 0xcabac28a, 0x53b39330, 0x24b4a3a6,
  125. 0xbad03605, 0xcdd70693, 0x54de5729, 0x23d967bf,
  126. 0xb3667a2e, 0xc4614ab8, 0x5d681b02, 0x2a6f2b94,
  127. 0xb40bbe37, 0xc30c8ea1, 0x5a05df1b, 0x2d02ef8d
  128. }; 
  130. const unsigned int bit_mask[] = {
  131. 0x00000000, 0x00000001, 0x00000003, 0x00000007,
  132. 0x0000000f, 0x0000001f, 0x0000003f, 0x0000007f,
  133. 0x000000ff, 0x000001ff, 0x000003ff, 0x000007ff,
  134. 0x00000fff, 0x00001fff, 0x00003fff, 0x00007fff,
  135. 0x0000ffff, 0x0001ffff, 0x0003ffff, 0x0007ffff,
  136. 0x000fffff, 0x001fffff, 0x003fffff, 0x007fffff,
  137. 0x00ffffff, 0x01ffffff, 0x03ffffff, 0x07ffffff,
  138. 0x0fffffff, 0x1fffffff, 0x3fffffff, 0x7fffffff,
  139. 0xffffffff
  140. };
  142. const unsigned int bit_shift[] = {
  143. 0x00000001, 0x00000002, 0x00000004, 0x00000008,
  144. 0x00000010, 0x00000020, 0x00000040, 0x00000080,
  145. 0x00000100, 0x00000200, 0x00000400, 0x00000800,
  146. 0x00001000, 0x00002000, 0x00004000, 0x00008000,
  147. 0x00010000, 0x00020000, 0x00040000, 0x00080000,
  148. 0x00100000, 0x00200000, 0x00400000, 0x00800000,
  149. 0x01000000, 0x02000000, 0x04000000, 0x08000000,
  150. 0x10000000, 0x20000000, 0x40000000, 0x80000000,
  151. 0x80000000, 0x80000000, 0x80000000, 0x80000000,
  152. 0x80000000, 0x80000000, 0x80000000, 0x80000000
  153. };
  155. const unsigned int *shift_16 = bit_shift + 4;
  157. typedef unsigned char byte;
  159. #ifdef _BIG_ENDIAN
  160. #define ENDSWAP_INT16(x) (((((x)>>8)&0xFF)|(((x)&0xFF)<<8)))
  161. #define ENDSWAP_INT32(x) (((((x)>>24)&0xFF)|(((x)>>8)&0xFF00)|(((x)&0xFF00)<<8)|(((x)&0xFF)<<24)))
  162. #define WRITE_BUFFER(x, bsize, out) { 
  163. if (bsize > 2) *out++ = (byte)(*x >> 16); 
  164. if (bsize > 1) *out++ = (byte)(*x >> 8); 
  165. *out++ = (byte) *x; }
  166. #else
  167. #define ENDSWAP_INT16(x) (x)
  168. #define ENDSWAP_INT32(x) (x)
  169. #define WRITE_BUFFER(x, bsize, out) { 
  170. *out++ = (byte) *x; 
  171. if (bsize > 1) *out++ = (byte)(*x >> 8); 
  172. if (bsize > 2) *out++ = (byte)(*x >> 16); }
  173. #endif
  175. #define PREDICTOR1(x, k) ((int)((((uint64)x << k) - x) >> k))
  176. #define DEC(x) (((x)&1)?(++(x)>>1):(-(x)>>1))
  178. typedef struct {
  179. unsigned int TTAid;
  180. unsigned short AudioFormat;
  181. unsigned short NumChannels;
  182. unsigned short BitsPerSample;
  183. unsigned int SampleRate;
  184. unsigned int DataLength;
  185. unsigned int CRC32;
  186. } __ATTRIBUTE_PACKED__ tta_hdr;
  188. typedef struct {
  189. unsigned int k0;
  190. unsigned int k1;
  191. unsigned int sum0;
  192. unsigned int sum1;
  193. } adapt;
  195. typedef struct {
  196. int shift;
  197. int round;
  198. int error;
  199. int mutex;
  200. int qm[MAX_ORDER+1];
  201. int dx[MAX_ORDER+1];
  202. int dl[MAX_ORDER+1];
  203. } fltst;
  205. typedef struct {
  206. fltst fst;
  207. adapt rice;
  208. int last;
  209. } decoder;
  211. /*****************************************************************
  212.  *            ID3 reader definitions and prototypes              *
  213.  *****************************************************************/
  215. #define ID3_VERSION 3
  217. /* ID3 common headers set */
  219. #define TIT2    1
  220. #define TPE1    2
  221. #define TALB    3
  222. #define TRCK    4
  223. #define TYER    5
  224. #define TCON    6
  225. #define COMM    7
  227. /* ID3 tag checked flags */
  229. #define ID3_UNSYNCHRONISATION_FLAG      0x80
  230. #define ID3_EXTENDEDHEADER_FLAG         0x40
  231. #define ID3_EXPERIMENTALTAG_FLAG        0x20
  232. #define ID3_FOOTERPRESENT_FLAG          0x10
  234. /* ID3 frame checked flags */
  236. #define FRAME_COMPRESSION_FLAG          0x0008
  237. #define FRAME_ENCRYPTION_FLAG           0x0004
  238. #define FRAME_UNSYNCHRONISATION_FLAG    0x0002
  240. /* ID3 field text encoding */
  242. #define FIELD_TEXT_ISO_8859_1           0x00
  243. #define FIELD_TEXT_UTF_16               0x01
  244. #define FIELD_TEXT_UTF_16BE             0x02
  245. #define FIELD_TEXT_UTF_8                0x03
  247. typedef struct {
  248. unsigned char  id[3];
  249. unsigned char  title[30];
  250. unsigned char  artist[30];
  251. unsigned char  album[30];
  252. unsigned char  year[4];
  253. unsigned char  comment[28];
  254. unsigned char  zero;
  255. unsigned char  track;
  256. unsigned char  genre;
  257. } __ATTRIBUTE_PACKED__ id3v1_tag;
  259. typedef struct {
  260. unsigned char  id[3];
  261. unsigned short version;
  262. unsigned char  flags;
  263. unsigned char  size[4];
  264. } __ATTRIBUTE_PACKED__ id3v2_tag;
  266. typedef struct {
  267. unsigned char  id[4];
  268. unsigned char  size[4];
  269. unsigned short flags;
  270. } __ATTRIBUTE_PACKED__ id3v2_frame;
  272. static char *genre[] = {
  273.     "Blues",  "Classic Rock",  "Country", "Dance", "Disco", "Funk",
  274.     "Grunge",  "Hip-Hop",  "Jazz",  "Metal",  "New Age",  "Oldies",
  275.     "Other",  "Pop",  "R&B",  "Rap",  "Reggae",  "Rock",  "Techno",
  276.     "Industrial",  "Alternative",  "Ska",  "Death Metal", "Pranks",
  277.     "Soundtrack",  "Euro-Techno",  "Ambient",  "Trip-Hop", "Vocal",
  278.     "Jazz+Funk",  "Fusion",  "Trance", "Classical", "Instrumental",
  279.     "Acid",   "House",  "Game",  "Sound Clip",  "Gospel",  "Noise",
  280.     "AlternRock",  "Bass",  "Soul",  "Punk", "Space", "Meditative",
  281.     "Instrumental Pop",  "Instrumental Rock",  "Ethnic",  "Gothic",
  282.     "Darkwave",   "Techno-Industrial",   "Electronic",  "Pop-Folk",
  283.     "Eurodance",   "Dream",   "Southern Rock",   "Comedy",  "Cult",
  284.     "Gangsta",  "Top 40",  "Christian Rap",  "Pop/Funk",  "Jungle",
  285.     "Native American",    "Cabaret",   "New Wave",   "Psychedelic",
  286.     "Rave",  "Showtunes", "Trailer", "Lo-Fi", "Tribal","Acid Punk",
  287.     "Acid Jazz",   "Polka",   "Retro",   "Musical",  "Rock & Roll",
  288.     "Hard Rock",  "Folk",  "Folk/Rock",  "National Folk",  "Swing",
  289.     "Fast-Fusion",    "Bebob",    "Latin",   "Revival",   "Celtic",
  290.     "Bluegrass",  "Avantgarde",  "Gothic Rock", "Progressive Rock",
  291.     "Psychedelic Rock",  "Symphonic Rock", "Slow Rock", "Big Band",
  292.     "Chorus",  "Easy Listening",  "Acoustic",  "Humour",  "Speech",
  293.     "Chanson",   "Opera",  "Chamber Music",  "Sonata",  "Symphony",
  294.     "Booty Bass",  "Primus",  "Porn Groove",  "Satire", "Slow Jam",
  295.     "Club", "Tango", "Samba", "Folklore", "Ballad", "Power Ballad",
  296.     "Rhythmic Soul", "Freestyle", "Duet", "Punk Rock", "Drum Solo",
  297.     "A Cappella", "Euro-House", "Dance Hall", "Goa", "Drum & Bass",
  298.     "Club-House",   "Hardcore",   "Terror",   "Indie",   "BritPop",
  299.     "Negerpunk",   "Polsk Punk",  "Beat",  "Christian Gangsta Rap",
  300.     "Heavy Metal",            "Black Metal",           "Crossover",
  301.     "Contemporary Christian",     "Christian Rock",     "Merengue",
  302.     "Salsa",    "Thrash Metal",    "Anime",   "JPop",   "Synthpop"
  303. };
  305. #define GENRES (sizeof genre / sizeof genre[0])
  307. #ifdef _WIN32
  308. #pragma pack(pop)
  309. #endif
  311. #endif /* TTADEC_H_ */