/******************************************************************** * * huffman.c - ATSC A/65 Huffman Decoding using tables C.5 & C.7. * * Copyright 2005-2006 DST, Inc. * All Rights Reserved * ********************************************************************/ #include "dsthalcommon.h" #include "dsthalPsiBitBuffer.h" #include "dsthalPsiMemChain.h" #include "dsthalPsiAtscPsip.h" #ifdef DMALLOC #include #endif /****************************************************************************** * Global variable declaration ******************************************************************************/ /****************************************************************************** * Imported variable declaration ******************************************************************************/ /****************************************************************************** * Imported function declaration ******************************************************************************/ /****************************************************************************** * Local definitions ******************************************************************************/ /* Huffman Special Characters */ #define STRING_TERMINATE 0x00 #define ORDER_1_ESCAPE 0x1B /* Table element syntax */ #define LEAF_FLAG_MASK 0x80 #define LEAF_CHAR_MASK 0x7F /****************************************************************************** * Local typedefs ******************************************************************************/ /****************************************************************************** * Local variables declaration ******************************************************************************/ /****************************************************************************** * Local function prototypes ******************************************************************************/ /* Huffman Program Title Decode Table C.5 */ static const DS_U8 ProgramTitleDecodeTableC5 [] = { 0x01, 0x00, 0x01, 0x3A, 0x01, 0x3C, 0x01, 0x3E, 0x01, 0x40, 0x01, 0x42, 0x01, 0x44, 0x01, 0x46, 0x01, 0x48, 0x01, 0x4A, 0x01, 0x4C, 0x01, 0x4E, 0x01, 0x50, 0x01, 0x52, 0x01, 0x54, 0x01, 0x56, 0x01, 0x58, 0x01, 0x5A, 0x01, 0x5C, 0x01, 0x5E, 0x01, 0x60, 0x01, 0x62, 0x01, 0x64, 0x01, 0x66, 0x01, 0x68, 0x01, 0x6A, 0x01, 0x6C, 0x01, 0x6E, 0x01, 0x70, 0x01, 0x72, 0x01, 0x74, 0x01, 0x76, 0x01, 0x78, 0x01, 0xCE, 0x01, 0xD2, 0x01, 0xD4, 0x01, 0xD6, 0x01, 0xD8, 0x01, 0xDA, 0x01, 0xDC, 0x01, 0xE6, 0x01, 0xE8, 0x01, 0xEA, 0x01, 0xF0, 0x01, 0xF2, 0x01, 0xF4, 0x02, 0x06, 0x02, 0x12, 0x02, 0x14, 0x02, 0x1C, 0x02, 0x28, 0x02, 0x30, 0x02, 0x34, 0x02, 0x36, 0x02, 0x38, 0x02, 0x3A, 0x02, 0x3C, 0x02, 0x3E, 0x02, 0x46, 0x02, 0x48, 0x02, 0x4A, 0x02, 0x4C, 0x02, 0x4E, 0x02, 0x50, 0x02, 0x52, 0x02, 0x54, 0x02, 0x7E, 0x02, 0x92, 0x02, 0xAC, 0x02, 0xBA, 0x02, 0xD2, 0x02, 0xE4, 0x02, 0xFA, 0x03, 0x06, 0x03, 0x1E, 0x03, 0x26, 0x03, 0x32, 0x03, 0x3E, 0x03, 0x52, 0x03, 0x64, 0x03, 0x7A, 0x03, 0x94, 0x03, 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0x9B, 0x9B, 0xA0, 0x07, 0x08, 0xB1, 0xD2, 0xD3, 0xD4, 0xD5, 0xAD, 0xCD, 0xC1, 0x01, 0x02, 0x03, 0xA0, 0x04, 0x9B, 0x05, 0x06, 0xA0, 0x05, 0xC9, 0xD7, 0xD3, 0x01, 0x02, 0x9B, 0xAE, 0x80, 0x03, 0x04, 0x9B, 0x9B, 0x02, 0x03, 0xAD, 0x9B, 0x01, 0x80, 0xA0, 0xB0, 0x04, 0x05, 0x80, 0x9B, 0xB1, 0xB2, 0xA0, 0xB0, 0xB9, 0x01, 0x02, 0x03, 0x02, 0x03, 0xB1, 0xBA, 0x01, 0xB0, 0x9B, 0x80, 0x80, 0x01, 0xB0, 0x9B, 0x9B, 0xB8, 0x9B, 0x9B, 0x9B, 0x9B, 0x9B, 0xB0, 0x9B, 0xA0, 0x02, 0x03, 0xB1, 0xB3, 0xB9, 0xB0, 0x01, 0x9B, 0x9B, 0xA0, 0x9B, 0x9B, 0x9B, 0x9B, 0x9B, 0x9B, 0x9B, 0x9B, 0x9B, 0x80, 0x9B, 0x9B, 0x13, 0x14, 0xAA, 0xAD, 0xAE, 0xF6, 0xE7, 0xF4, 0xE2, 0xE9, 0x01, 0x02, 0xC2, 0xF0, 0x9B, 0xF3, 0xE3, 0xE6, 0xF7, 0x03, 0xF5, 0x04, 0x05, 0x06, 0xF2, 0x07, 0x08, 0x09, 0x0A, 0x0B, 0x0C, 0xE4, 0xA0, 0x0D, 0xEC, 0xEE, 0x0E, 0xED, 0x0F, 0x10, 0x11, 0x12, 0x08, 0x09, 0xC1, 0xD3, 0x9B, 0x01, 0xC3, 0x02, 0xE9, 0xEC, 0x03, 0xF2, 0xF5, 0x04, 0xEF, 0xE1, 0x05, 0xE5, 0x06, 0x07, 0x0B, 0x0C, 0xC1, 0xF9, 0x01, 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0xE5, 0x18, 0x19, 0xE2, 0xEA, 0xF2, 0xE8, 0xEC, 0xED, 0xFA, 0x9B, 0x01, 0xF5, 0x02, 0x03, 0xF6, 0x04, 0xBA, 0xE6, 0x05, 0x06, 0xEB, 0xEF, 0x07, 0xA7, 0xF9, 0x08, 0x09, 0x0A, 0x0B, 0xE3, 0x0C, 0xEE, 0xE1, 0x0D, 0xF3, 0x0E, 0xE9, 0x0F, 0x10, 0xF4, 0x80, 0xE4, 0xE5, 0x11, 0x12, 0xE7, 0xA0, 0x13, 0x14, 0x15, 0x16, 0x17, 0x1B, 0x1C, 0xAE, 0xFA, 0xBF, 0x01, 0xA7, 0x9B, 0x02, 0xE9, 0xF8, 0xF9, 0x03, 0xE5, 0xE8, 0x04, 0xE1, 0xEB, 0x05, 0xE2, 0x06, 0x07, 0xE3, 0x08, 0xE7, 0xF4, 0x09, 0x80, 0xF6, 0xF0, 0x0A, 0xE4, 0x0B, 0xF3, 0xF7, 0x0C, 0x0D, 0xEF, 0xEC, 0xA0, 0x0E, 0x0F, 0xED, 0xE6, 0x10, 0xF5, 0x11, 0x12, 0x13, 0x14, 0x15, 0xF2, 0x16, 0xEE, 0x17, 0x18, 0x19, 0x1A, 0x0E, 0x0F, 0xED, 0xA7, 0x9B, 0xE4, 0x01, 0xF9, 0xF3, 0xF2, 0xF4, 0x02, 0xE8, 0x03, 0xEC, 0xF0, 0x04, 0xE1, 0xE9, 0x05, 0x06, 0x80, 0xA0, 0x07, 0x08, 0x09, 0x0A, 0xE5, 0xEF, 0x0B, 0x0C, 0x0D, 0x9B, 0xF5, 0x18, 0x19, 0xBA, 0xAC, 0xF6, 0x9B, 0xF0, 0xE2, 0x01, 0xE6, 0x02, 0xA7, 0xAE, 0xE7, 0x03, 0xE3, 0xF5, 0x04, 0xED, 0x05, 0x06, 0x07, 0xEB, 0x08, 0x09, 0xEE, 0xF2, 0x0A, 0xE4, 0x0B, 0xF9, 0xEC, 0x0C, 0x0D, 0xF4, 0x80, 0x0E, 0xEF, 0xF3, 0xA0, 0xE1, 0x0F, 0xE9, 0x10, 0x11, 0xE5, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, 0x19, 0x1A, 0xA7, 0xAC, 0xBF, 0xC3, 0xC8, 0xE4, 0xE6, 0xED, 0xF2, 0xAE, 0xEC, 0xEE, 0xF9, 0x01, 0x02, 0x03, 0x04, 0xBA, 0x05, 0x9B, 0xF5, 0x06, 0x07, 0x08, 0x09, 0xEB, 0xF0, 0x0A, 0x0B, 0x0C, 0xE1, 0xE3, 0x0D, 0xE8, 0x0E, 0x0F, 0xEF, 0x10, 0x11, 0xF3, 0x12, 0xE9, 0x13, 0xE5, 0x14, 0x15, 0xF4, 0x16, 0x17, 0xA0, 0x18, 0x80, 0x14, 0x15, 0xBA, 0xBF, 0xE4, 0xF7, 0x9B, 0xA7, 0x01, 0xEE, 0x02, 0x03, 0x04, 0xE3, 0xE2, 0xED, 0x05, 0xF9, 0x06, 0xF4, 0x07, 0xEC, 0x08, 0xF5, 0xF2, 0x09, 0xE1, 0xF3, 0x0A, 0xEF, 0x0B, 0x0C, 0x0D, 0xE9, 0x80, 0xE5, 0x0E, 0xA0, 0x0F, 0xE8, 0x10, 0x11, 0x12, 0x13, 0x11, 0x12, 0xEB, 0xFA, 0x80, 0xE6, 0x9B, 0x01, 0xA0, 0x02, 0x03, 0xE9, 0xE1, 0x04, 0xE4, 0xF0, 0xED, 0xE2, 0xE3, 0xE7, 0xEC, 0x05, 0xE5, 0x06, 0x07, 0x08, 0x09, 0xF4, 0x0A, 0x0B, 0x0C, 0xF3, 0xEE, 0x0D, 0x0E, 0xF2, 0x0F, 0x10, 0x04, 0xE5, 0xF3, 0xEF, 0x9B, 0x01, 0xE1, 0x02, 0x03, 0xE9, 0x0B, 0x0C, 0xA7, 0xE2, 0xEC, 0xE3, 0xF2, 0x01, 0x9B, 0x02, 0x03, 0x04, 0xE9, 0xEF, 0xEE, 0xE5, 0xE1, 0x80, 0x05, 0xA0, 0x06, 0x07, 0x08, 0x09, 0xF3, 0x0A, 0x05, 0x06, 0x9B, 0xA0, 0xE1, 0xE5, 0xE9, 0x01, 0x80, 0xF0, 0x02, 0xF4, 0x03, 0x04, 0xA0, 0x13, 0xE3, 0xAD, 0xE4, 0xE9, 0xEE, 0xEF, 0xF0, 0xF4, 0xF6, 0xA1, 0xE1, 0xED, 0x01, 0xE2, 0x02, 0x03, 0x04, 0xA7, 0x05, 0x06, 0xF7, 0x07, 0x9B, 0xEC, 0x08, 0xE5, 0x09, 0x0A, 0x0B, 0x0C, 0x0D, 0x0E, 0xF3, 0x0F, 0x10, 0x11, 0x80, 0x12, 0x05, 0x06, 0xE5, 0xFA, 0xA0, 0xF9, 0x9B, 0x01, 0x80, 0xE9, 0x02, 0xE1, 0x03, 0x04, 0x9B, 0x9B, 0x9B, 0x9B, 0x9B, 0x9B, 0x9B, 0x9B, 0x9B, 0x9B }; /* Huffman Program Description Decode Table C.7 */ static const DS_U8 ProgramDescriptionDecodeTableC7 [] = { 0x01, 0x00, 0x01, 0x2C, 0x01, 0x2E, 0x01, 0x30, 0x01, 0x32, 0x01, 0x34, 0x01, 0x36, 0x01, 0x38, 0x01, 0x3A, 0x01, 0x3C, 0x01, 0x3E, 0x01, 0x40, 0x01, 0x42, 0x01, 0x44, 0x01, 0x46, 0x01, 0x48, 0x01, 0x4A, 0x01, 0x4C, 0x01, 0x4E, 0x01, 0x50, 0x01, 0x52, 0x01, 0x54, 0x01, 0x56, 0x01, 0x58, 0x01, 0x5A, 0x01, 0x5C, 0x01, 0x5E, 0x01, 0x60, 0x01, 0x62, 0x01, 0x64, 0x01, 0x66, 0x01, 0x68, 0x01, 0x6A, 0x01, 0xDE, 0x01, 0xE0, 0x01, 0xEA, 0x01, 0xEC, 0x01, 0xEE, 0x01, 0xF0, 0x01, 0xF2, 0x01, 0xF8, 0x01, 0xFA, 0x01, 0xFC, 0x01, 0xFE, 0x02, 0x00, 0x02, 0x04, 0x02, 0x16, 0x02, 0x20, 0x02, 0x22, 0x02, 0x2C, 0x02, 0x32, 0x02, 0x38, 0x02, 0x3C, 0x02, 0x40, 0x02, 0x44, 0x02, 0x46, 0x02, 0x4A, 0x02, 0x4C, 0x02, 0x54, 0x02, 0x56, 0x02, 0x58, 0x02, 0x5A, 0x02, 0x5C, 0x02, 0x5E, 0x02, 0x60, 0x02, 0x62, 0x02, 0x76, 0x02, 0x84, 0x02, 0x94, 0x02, 0xA2, 0x02, 0xB2, 0x02, 0xBA, 0x02, 0xC8, 0x02, 0xD2, 0x02, 0xDE, 0x02, 0xEA, 0x02, 0xF2, 0x02, 0xFC, 0x03, 0x08, 0x03, 0x10, 0x03, 0x1A, 0x03, 0x28, 0x03, 0x2A, 0x03, 0x34, 0x03, 0x4A, 0x03, 0x5A, 0x03, 0x5E, 0x03, 0x64, 0x03, 0x6E, 0x03, 0x70, 0x03, 0x72, 0x03, 0x74, 0x03, 0x76, 0x03, 0x78, 0x03, 0x7A, 0x03, 0x7C, 0x03, 0x7E, 0x03, 0x80, 0x03, 0xB4, 0x03, 0xCE, 0x03, 0xF0, 0x04, 0x1A, 0x04, 0x58, 0x04, 0x6E, 0x04, 0x8E, 0x04, 0xAC, 0x04, 0xD8, 0x04, 0xE0, 0x04, 0xF4, 0x05, 0x24, 0x05, 0x40, 0x05, 0x76, 0x05, 0xAE, 0x05, 0xCE, 0x05, 0xD0, 0x06, 0x06, 0x06, 0x34, 0x06, 0x60, 0x06, 0x86, 0x06, 0x92, 0x06, 0xAA, 0x06, 0xB8, 0x06, 0xDC, 0x06, 0xEC, 0x06, 0xEE, 0x06, 0xF0, 0x06, 0xF2, 0x06, 0xF4, 0x14, 0x15, 0x9B, 0xD6, 0xC9, 0xCF, 0xD7, 0xC7, 0x01, 0xA2, 0xCE, 0xCB, 0x02, 0x03, 0xC5, 0xCC, 0xC6, 0xC8, 0x04, 0xC4, 0x05, 0xC2, 0x06, 0xC3, 0xD2, 0x07, 0xD3, 0x08, 0xCA, 0xD4, 0x09, 0xCD, 0xD0, 0x0A, 0xC1, 0x0B, 0x0C, 0x0D, 0x0E, 0x0F, 0x10, 0x11, 0x12, 0x13, 0x9B, 0x9B, 0x9B, 0x9B, 0x9B, 0x9B, 0x9B, 0x9B, 0x9B, 0x9B, 0x9B, 0x9B, 0x9B, 0x9B, 0x9B, 0x9B, 0x9B, 0x9B, 0x9B, 0x9B, 0x9B, 0x9B, 0x9B, 0x9B, 0x9B, 0x9B, 0x9B, 0x9B, 0x9B, 0x9B, 0x9B, 0x9B, 0x9B, 0x9B, 0x9B, 0x9B, 0x9B, 0x9B, 0x9B, 0x9B, 0x9B, 0x9B, 0x9B, 0x9B, 0x9B, 0x9B, 0x9B, 0x9B, 0x9B, 0x9B, 0x9B, 0x9B, 0x9B, 0x9B, 0x9B, 0x9B, 0x9B, 0x9B, 0x9B, 0x9B, 0x9B, 0x9B, 0x38, 0x39, 0xAD, 0xAF, 0xB7, 0xDA, 0xA8, 0xB3, 0xB5, 0x01, 0x02, 0x9B, 0xB4, 0xF1, 0xA2, 0xD5, 0xD6, 0xD9, 0x03, 0x04, 0x05, 0xCF, 0x06, 0xC9, 0xF9, 0xEA, 0xEB, 0xF5, 0xF6, 0x07, 0x08, 0x09, 0xB2, 0xC5, 0xC6, 0xB1, 0x0A, 0xEE, 0xCB, 0x0B, 0xD4, 0x0C, 0xC4, 0xC8, 0xD2, 0x0D, 0x0E, 0x0F, 0xC7, 0xCA, 0xCE, 0xD0, 0xD7, 0x10, 0xC2, 0x11, 0xCC, 0xEC, 0xE5, 0xE7, 0x12, 0xCD, 0x13, 0x14, 0xC3, 0x15, 0x16, 0x17, 0xED, 0x18, 0x19, 0xF2, 0x1A, 0xD3, 0x1B, 0x1C, 0xE4, 0x1D, 0xC1, 0xE3, 0x1E, 0xE9, 0xF0, 0xE2, 0xF7, 0x1F, 0xF3, 0xE6, 0x20, 0x21, 0x22, 0xE8, 0xEF, 0x23, 0x24, 0x25, 0x26, 0x27, 0x28, 0x29, 0x2A, 0xF4, 0x2B, 0x2C, 0x2D, 0x2E, 0x2F, 0xE1, 0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37, 0x9B, 0x9B, 0x03, 0x04, 0x80, 0xAE, 0xC8, 0xD4, 0x01, 0x02, 0x9B, 0xA0, 0x9B, 0x9B, 0x9B, 0x9B, 0x9B, 0x9B, 0x9B, 0x9B, 0x02, 0xF3, 0xA0, 0xF4, 0x9B, 0x01, 0x9B, 0x9B, 0xAC, 0x9B, 0x9B, 0x9B, 0x9B, 0x9B, 0x01, 0xA0, 0x9B, 0xA2, 0x07, 0x08, 0xE2, 0xE4, 0xE5, 0xE6, 0xA0, 0xF2, 0xE1, 0x01, 0x02, 0xF3, 0xE3, 0x03, 0x04, 0x05, 0x9B, 0x06, 0x04, 0x80, 0xCA, 0xD3, 0xA2, 0x01, 0x9B, 0x02, 0x03, 0xA0, 0x9B, 0xA0, 0x03, 0x04, 0x9B, 0xB7, 0xF4, 0xA0, 0xB0, 0xF3, 0x01, 0x02, 0xB9, 0x02, 0xB8, 0x9B, 0xA0, 0x01, 0xAE, 0x02, 0xB6, 0x9B, 0x01, 0xA0, 0xA0, 0x01, 0x9B, 0xB0, 0xAE, 0x01, 0x9B, 0xA0, 0xAE, 0x01, 0xA0, 0x9B, 0x9B, 0x9B, 0x9B, 0x01, 0xAC, 0xAE, 0x9B, 0x9B, 0x02, 0x03, 0x9B, 0xA0, 0xB5, 0xB6, 0xB8, 0x01, 0x9B, 0xA0, 0x9B, 0xA0, 0x9B, 0x9B, 0x9B, 0x9B, 0x9B, 0x9B, 0x9B, 0xA0, 0x9B, 0x9B, 0x08, 0x09, 0xE6, 0xF5, 0xF3, 0xF4, 0x9B, 0xE4, 0x01, 0xED, 0x02, 0x03, 0x04, 0xF2, 0x05, 0x06, 0xEC, 0xEE, 0x07, 0xA0, 0x05, 0x06, 0x9B, 0xEC, 0xF5, 0x01, 0x02, 0xE1, 0xEF, 0xE5, 0xE9, 0xF2, 0x03, 0x04, 0x06, 0x07, 0x9B, 0xE9, 0xF9, 0xF2, 0xF5, 0x01, 0x02, 0x03, 0xEC, 0xEF, 0xE1, 0x04, 0xE8, 0x05, 0x05, 0x06, 0xF9, 0xF2, 0xF5, 0x9B, 0xE5, 0xEF, 0x01, 0x02, 0xE9, 0xE1, 0x03, 0x04, 0x06, 0x07, 0xE1, 0xE9, 0xEE, 0xF6, 0xE4, 0xEC, 0xF3, 0x01, 0x02, 0xF2, 0x03, 0x04, 0x9B, 0x05, 0x02, 0x03, 0xE5, 0xEC, 0x9B, 0xEF, 0x01, 0xF2, 0x05, 0x06, 0xF5, 0xEF, 0x9B, 0xEC, 0xE9, 0x01, 0xE1, 0xF2, 0x02, 0xE5, 0x03, 0x04, 0x03, 0x04, 0x9B, 0xE5, 0xE9, 0xF5, 0xE1, 0x01, 0xEF, 0x02, 0x04, 0x05, 0xA0, 0xC9, 0xF3, 0x9B, 0xAE, 0xF2, 0x01, 0x02, 0x03, 0xEE, 0xEF, 0x05, 0x9B, 0xAE, 0xE9, 0xE5, 0x01, 0xF5, 0x02, 0xE1, 0x03, 0x04, 0xE5, 0x03, 0xE1, 0xE9, 0xF2, 0x9B, 0x01, 0x02, 0x03, 0x04, 0x9B, 0xE9, 0xF5, 0x01, 0xE5, 0x02, 0xEF, 0xE1, 0xE1, 0x05, 0x9B, 0xE3, 0xEF, 0x01, 0xF5, 0xE5, 0x02, 0x03, 0xE9, 0x04, 0xE5, 0x03, 0x9B, 0xE9, 0x01, 0xE1, 0xEF, 0x02, 0x03, 0x04, 0xA7, 0xEE, 0xEC, 0xF2, 0xF3, 0x01, 0x9B, 0x02, 0xE1, 0x06, 0x9B, 0xE8, 0xE9, 0x01, 0xF2, 0xEC, 0x02, 0xEF, 0x03, 0xE5, 0x04, 0x05, 0x9B, 0x9B, 0x03, 0x04, 0x9B, 0xAE, 0x01, 0xE9, 0x02, 0xE1, 0xE5, 0xEF, 0x09, 0x0A, 0xF6, 0xF9, 0x01, 0xAE, 0xE3, 0xE9, 0xF5, 0x9B, 0xE5, 0xEF, 0x02, 0x03, 0xE1, 0x04, 0xE8, 0x05, 0x06, 0xF4, 0x07, 0x08, 0xE8, 0x07, 0xE5, 0xF7, 0xD6, 0xE1, 0x9B, 0xE9, 0xF2, 0x01, 0x02, 0x03, 0x04, 0xEF, 0x05, 0x06, 0xAE, 0x01, 0x9B, 0xEE, 0xE9, 0x02, 0xE5, 0x9B, 0xA0, 0x01, 0x03, 0x04, 0x9B, 0xE8, 0xE5, 0xE1, 0xEF, 0x01, 0xE9, 0x02, 0x9B, 0x9B, 0x9B, 0xEF, 0x9B, 0x9B, 0x9B, 0x9B, 0x9B, 0x9B, 0x9B, 0x9B, 0x9B, 0x9B, 0x9B, 0x9B, 0x9B, 0x9B, 0x18, 0x19, 0xE8, 0xEF, 0xF8, 0x9B, 0xA7, 0xF7, 0xFA, 0x01, 0x02, 0x03, 0x04, 0xE5, 0xAE, 0x05, 0xE6, 0xE2, 0x06, 0xF6, 0xEB, 0xF5, 0xE9, 0x07, 0xF0, 0xF9, 0xE7, 0x08, 0x09, 0xE4, 0x0A, 0xE3, 0x0B, 0xED, 0x0C, 0xF3, 0x0D, 0x0E, 0x0F, 0xEC, 0x10, 0xF4, 0x11, 0x12, 0xF2, 0xA0, 0x13, 0x14, 0x15, 0xEE, 0x16, 0x17, 0x0B, 0x0C, 0xE4, 0xF3, 0x9B, 0xAE, 0xE2, 0x01, 0x02, 0x03, 0xEC, 0xA0, 0x04, 0xE9, 0xF2, 0xF5, 0x05, 0xF9, 0xE1, 0x06, 0xEF, 0x07, 0xE5, 0x08, 0x09, 0x0A, 0x0F, 0x10, 0xF1, 0xAE, 0xC4, 0xF9, 0xAC, 0x01, 0xE3, 0x02, 0x9B, 0xF2, 0x03, 0x04, 0xA0, 0xEC, 0xF5, 0x05, 0x06, 0xE9, 0x07, 0xEB, 0x08, 0xF4, 0x09, 0xE5, 0x0A, 0xEF, 0xE1, 0xE8, 0x0B, 0x0C, 0x0D, 0x0E, 0x13, 0x14, 0xA7, 0xBB, 0xE6, 0xED, 0xF7, 0xE7, 0xF6, 0x01, 0x02, 0x9B, 0xEE, 0x03, 0x04, 0xEC, 0x05, 0xF5, 0x06, 0xAC, 0xE4, 0xF9, 0xF2, 0x07, 0x08, 0x09, 0xAE, 0x0A, 0xEF, 0x0B, 0xE1, 0xF3, 0x0C, 0xE9, 0x0D, 0x0E, 0x0F, 0x10, 0xE5, 0x11, 0x12, 0xA0, 0x1D, 0x1E, 0xA9, 0xE8, 0xF5, 0x9B, 0x01, 0xAD, 0xBB, 0xEB, 0xFA, 0x02, 0xA7, 0xE6, 0xE2, 0xE7, 0x03, 0x04, 0x05, 0x06, 0xE9, 0xF8, 0x07, 0xAC, 0xEF, 0xF0, 0x08, 0xED, 0xF6, 0xF9, 0x09, 0xF7, 0x0A, 0x0B, 0xAE, 0x0C, 0xE3, 0x0D, 0xE5, 0xF4, 0x0E, 0x0F, 0xE4, 0x10, 0xEC, 0x11, 0xE1, 0x12, 0x13, 0x14, 0x15, 0x16, 0xEE, 0xF3, 0x17, 0x18, 0xF2, 0xA0, 0x19, 0x1A, 0x1B, 0x1C, 0x09, 0x0A, 0xAE, 0x9B, 0xEC, 0x01, 0xF5, 0x02, 0xF4, 0xE6, 0x03, 0xE1, 0xE5, 0xE9, 0x04, 0xF2, 0xEF, 0x05, 0x06, 0x07, 0xA0, 0x08, 0x0E, 0x0F, 0xAD, 0xE7, 0x9B, 0xA7, 0xF9, 0x01, 0xEC, 0x02, 0xAC, 0xF2, 0x03, 0xAE, 0xF3, 0xF5, 0x04, 0x05, 0xEF, 0x06, 0x07, 0xE9, 0xE1, 0x08, 0x09, 0xE8, 0x0A, 0x0B, 0xE5, 0x0C, 0xA0, 0x0D, 0x0D, 0x0E, 0xA7, 0xAC, 0xF3, 0xAD, 0x01, 0x02, 0x9B, 0xF9, 0xF5, 0xAE, 0x03, 0xEE, 0x04, 0xF2, 0x05, 0x06, 0xF4, 0x07, 0x08, 0x09, 0xEF, 0xE1, 0xA0, 0x0A, 0xE9, 0x0B, 0x0C, 0xE5, 0x14, 0x15, 0xAC, 0xE2, 0xF8, 0x9B, 0xAE, 0xFA, 0x01, 0xEB, 0x02, 0xA0, 0x03, 0x04, 0xF0, 0x05, 0x06, 0xE6, 0xF6, 0x07, 0xE4, 0xED, 0xE7, 0x08, 0xE1, 0xEF, 0xF2, 0x09, 0x0A, 0x0B, 0xEC, 0x0C, 0xE5, 0xE3, 0x0D, 0xF4, 0x0E, 0xF3, 0x0F, 0x10, 0x11, 0xEE, 0x12, 0x13, 0x03, 0xEF, 0x9B, 0xE1, 0xE5, 0xF5, 0x01, 0x02, 0x08, 0x09, 0xEC, 0xF9, 0xA7, 0xEE, 0x01, 0xAC, 0x9B, 0xAE, 0x02, 0x03, 0x04, 0xF3, 0x05, 0xE9, 0x06, 0xA0, 0x07, 0xE5, 0x16, 0x17, 0xA7, 0xAD, 0xEE, 0xE3, 0xEB, 0xF2, 0x9B, 0xE2, 0x01, 0x02, 0xF5, 0x03, 0xF4, 0xAC, 0x04, 0x05, 0xE6, 0xED, 0xF6, 0x06, 0xAE, 0xF0, 0x07, 0x08, 0xF3, 0x09, 0x0A, 0xE4, 0x0B, 0x0C, 0xF9, 0x0D, 0xEF, 0x0E, 0xE1, 0x0F, 0x10, 0xE9, 0xEC, 0x11, 0xA0, 0xE5, 0x12, 0x13, 0x14, 0x15, 0x0C, 0x0D, 0xA7, 0xBB, 0x9B, 0x01, 0xF9, 0xAE, 0xE2, 0x02, 0xED, 0xF3, 0x03, 0xF5, 0xEF, 0xF0, 0x04, 0x05, 0xE9, 0x06, 0x07, 0x08, 0x09, 0xA0, 0xE1, 0xE5, 0x0A, 0x0B, 0x19, 0x1A, 0xAD, 0xBB, 0xE2, 0xEA, 0xED, 0xF2, 0xFA, 0xE6, 0xEC, 0x01, 0x02, 0x03, 0x9B, 0xF5, 0x04, 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0x03, 0xE5, 0x04, 0xE8, 0xA0, 0xE1, 0x05, 0xEF, 0x06, 0x07, 0x08, 0xE9, 0x09, 0x05, 0x06, 0xA0, 0xAC, 0xAD, 0xF4, 0xE9, 0x01, 0x02, 0xE1, 0xE5, 0x03, 0x9B, 0x04, 0x11, 0xA0, 0xBF, 0xE1, 0xE2, 0xE6, 0xED, 0xE4, 0xE9, 0xF7, 0xA7, 0x01, 0x02, 0xBB, 0x03, 0x04, 0xEC, 0x05, 0x9B, 0xEE, 0x06, 0xEF, 0x07, 0xAC, 0xE5, 0xF3, 0x08, 0x09, 0x0A, 0xAE, 0x0B, 0x0C, 0x0D, 0x0E, 0x0F, 0x10, 0x06, 0x07, 0xA0, 0xAE, 0xE1, 0xE5, 0xEC, 0xFA, 0x9B, 0xEF, 0xE9, 0x01, 0x02, 0x03, 0x04, 0x05, 0x9B, 0x9B, 0x9B, 0x9B, 0x9B, 0x9B, 0x9B, 0x9B, 0x9B, 0x9B }; /*============================================================================== DHL_RESULT DHL_PSI_DecodeHuffmanString (DS_U8 *compressedStr, DS_U32 length, compress_type_k type, char *text, DS_U32 textlen) *compressedStr: Pointer to the first byte of the compressed string. length: Length of the compressed string. type: Specifies which Huffman encoding table was used. *text: Pointer to the decoded text string. textlen: Length of text buffer. Decodes a Huffman-encoded text string into the provided character buffer. ==============================================================================*/ static DS_U16 SWAP16(DS_U16 data) { #if !USE_BIG_ENDIAN DS_U8 tmp; #endif union { DS_U16 u16; DS_U8 u8[2]; } a; a.u16 = data; #if !USE_BIG_ENDIAN tmp = a.u8[0]; a.u8[0] = a.u8[1]; a.u8[1] = tmp; #endif return a.u16; } DHL_RESULT DHL_PSI_DecodeHuffmanString (DS_U8 *compressedStr, DS_U32 length, compress_type_k type, char *text, DS_U32 textlen) { bitBufferPtr_t bits; const DS_U8 *DecodeTable; DS_U32 textindex; DS_U32 bitsremaining; DS_U8 hbit; DS_U8 decodedchar; DS_BOOL firstOrderEsc; DS_BOOL charDecoded; DS_U16 tableoffset; DS_U16 treerootoffset; DS_U8 child_word_offset_or_char_leaf; DHL_RESULT err; if((type != cm_Huffman_C4C5) && (type != cm_Huffman_C6C7)) printf("DHL_PSI_DecodeHuffmanString : invalid type.\r\n"); /* create a bitBuffer object */ err = bitBufferCreate(&bits,compressedStr,length); if (err) { goto DecodeHuffmanStringExit; } /* Select the Huffman Decode Table C.5 or C.7 */ if (type == cm_Huffman_C4C5) { DecodeTable = ProgramTitleDecodeTableC5; } else { DecodeTable = ProgramDescriptionDecodeTableC7; } textindex = 0; bitsremaining = 8 * length; decodedchar = STRING_TERMINATE; /* initial value */ firstOrderEsc = _FALSE_; tableoffset = SWAP16(((DS_U16 *)DecodeTable)[decodedchar]); while (bitsremaining && (textlen > 1)) { /* space for EOS char */ /* any character which follows a character from the set (127-255) is uncompressed */ /* any character which follows a first-order escape character is uncompressed */ if (decodedchar > 127 || firstOrderEsc == _TRUE_) { /* uncompressed */ decodedchar = bitBufferGetBits(bits,8); bitsremaining -= 8; firstOrderEsc = _FALSE_; } else { /* compressed */ treerootoffset = tableoffset = SWAP16(((DS_U16 *)DecodeTable)[decodedchar]); /* decode a character */ charDecoded = _FALSE_; while (charDecoded == _FALSE_ && bitsremaining) { /* Get a bit */ hbit = bitBufferGetBits(bits,1); bitsremaining--; if (hbit) { /* right child word offset or char leaf */ child_word_offset_or_char_leaf = DecodeTable[tableoffset+1]; } else { /* left child word offset or char leaf */ child_word_offset_or_char_leaf = DecodeTable[tableoffset]; } /* child node or leaf character? */ if (child_word_offset_or_char_leaf & LEAF_FLAG_MASK) { /* leaf character */ decodedchar = child_word_offset_or_char_leaf & LEAF_CHAR_MASK; charDecoded = _TRUE_; } else { /* child node */ tableoffset = treerootoffset + (2 * child_word_offset_or_char_leaf); } } /* check for first-order escape character */ if (decodedchar == ORDER_1_ESCAPE) { firstOrderEsc = _TRUE_; } } /* first-order escape character is a control character only */ if (firstOrderEsc == _FALSE_) { text[textindex++] = decodedchar; textlen--; } } /* terminate the string with ASCII Null */ text[textindex] = STRING_TERMINATE; DecodeHuffmanStringExit: if (bits) { bitBufferDestroy(bits); } if(err) return DHL_FAIL; else return DHL_OK; }