jpgtab.c

bmp图像转换成jpeg图像的一个linux的小程序

/******************************************************************************
//               INTEL CORPORATION PROPRIETARY INFORMATION
//  This software is supplied under the terms of a license agreement or
//  nondisclosure agreement with Intel Corporation and may not be copied
//  or disclosed except in accordance with the terms of that agreement.
//        Copyright (c) 2003 Intel Corporation. All Rights Reserved.
//
//  Description:
//    Intel(R) Integrated Performance Primitives Sample Code JPEG Tables
//
******************************************************************************/

/* Default Luminance Quantization Table */
const unsigned char zig_zag_tab_index[64] =
{
    0,  1,  8, 16,  9,  2,  3, 10,
    17, 24, 32, 25, 18, 11,  4,  5,
    12, 19, 26, 33, 40, 48, 41, 34,
    27, 20, 13,  6,  7, 14, 21, 28,
    35, 42, 49, 56, 57, 50, 43, 36,
    29, 22, 15, 23, 30, 37, 44, 51,
    58, 59, 52, 45, 38, 31, 39, 46,
    53, 60, 61, 54, 47, 55, 62, 63
};

const unsigned char l_lum_quant_table[64] =
{
    16,	11,	10,	16,	24,  40,  51,  61,
    12,	12,	14,	19,	26,  58,  60,  55,
    14,	13,	16,	24,	40,  57,  69,  56,
    14,	17,	22,	29,	51,  87,  80,  62,
    18,	22,	37,	56,	68,  109, 103, 77,
    24,	35,	55,	64,	81,  104, 113, 92,
    49,	64,	78,	87,	103, 121, 120, 101,
    72,	92,	95,	98,	112, 100, 103, 99
};

/* Default Chrominance Quantization Table */
const unsigned char l_chrom_quant_table[64] =
{
    17,	18,	24,	47,	99,	99,	99,	99,
    18,	21,	26,	66,	99,	99,	99,	99,
    24,	26,	56,	99,	99,	99,	99,	99,
    47,	66,	99,	99,	99,	99,	99,	99,
    99,	99,	99,	99,	99,	99,	99,	99,
    99,	99,	99,	99,	99,	99,	99,	99,
    99,	99,	99,	99,	99,	99,	99,	99,
    99,	99,	99,	99,	99,	99,	99,	99
};

const unsigned char h_lum_quant_table[64] =
{
    1,	1,	1,	1,	1, 1, 1, 1,
    1,	1,	1,	1,	1, 1, 1, 1,
    1,	1,	1,	1,	1, 1, 1, 1,
    1,	1,	1,	1,	1, 1, 1, 1,
    1,	1,	1,	1,	1, 1, 1, 1,
    1,	1,	1,	1,	1, 1, 1, 1,
    1,	1,	1,	1,	1, 1, 1, 1,
    1,	1,	1,	1,	1, 1, 1, 1
};

/* Default Chrominance Quantization Table */
const unsigned char h_chrom_quant_table[64] =
{
    1,	1,	1,	1,	1,	1,	1,	1,
    1,	1,	1,	1,	1,	1,	1,	1,
    1,	1,	1,	1,	1,	1,	1,	1,
    1,	1,	1,	1,	1,	1,	1,	1,
    1,	1,	1,	1,	1,	1,	1,	1,
    1,	1,	1,	1,	1,	1,	1,	1,
    1,	1,	1,	1,	1,	1,	1,	1,
    1,	1,	1,	1,	1,	1,	1,	1
};

/* Default Luminance DC bits of huffman table specification */
const unsigned char lum_dc_huffbits[] =
{
  0x00, 0x01, 0x05, 0x01, 0x01, 0x01, 0x01, 0x01,
  0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
};

/* Default Luminance DC values of huffman table specification */
const unsigned char lum_dc_huffvalues[] =
{
  0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
  0x08, 0x09, 0x0a, 0x0b
};

/* Default Chrominance DC bits of huffman table specification */
const unsigned char chrom_dc_huffbits[] =
{
  0x00, 0x03, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01,
  0x01, 0x01, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00
};


/* Default Chrominance DC values of huffman table specification */
const unsigned char chrom_dc_huffvalues[] =
{
  0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
  0x08, 0x09, 0x0a, 0x0b
};

/* Default Luminance AC Bits of huffman table specification */
const unsigned char lum_ac_huffbits[] =
{
  0x00, 0x02, 0x01, 0x03, 0x03, 0x02, 0x04, 0x03,
  0x05, 0x05, 0x04, 0x04, 0x00, 0x00, 0x01, 0x7d
};


/* Default Luminance AC values of huffman table specification */
const unsigned char lum_ac_huffvalues[] =
{
  0x01, 0x02, 0x03, 0x00, 0x04, 0x11, 0x05, 0x12,
  0x21, 0x31, 0x41, 0x06, 0x13, 0x51, 0x61, 0x07,
  0x22, 0x71, 0x14, 0x32, 0x81, 0x91, 0xa1, 0x08,
  0x23, 0x42, 0xb1, 0xc1, 0x15, 0x52, 0xd1, 0xf0,
  0x24, 0x33, 0x62, 0x72, 0x82, 0x09, 0x0a, 0x16,
  0x17, 0x18, 0x19, 0x1a, 0x25, 0x26, 0x27, 0x28,
  0x29, 0x2a, 0x34, 0x35, 0x36, 0x37, 0x38, 0x39,
  0x3a, 0x43, 0x44, 0x45, 0x46, 0x47, 0x48, 0x49,
  0x4a, 0x53, 0x54, 0x55, 0x56, 0x57, 0x58, 0x59,
  0x5a, 0x63, 0x64, 0x65, 0x66, 0x67, 0x68, 0x69,
  0x6a, 0x73, 0x74, 0x75, 0x76, 0x77, 0x78, 0x79,
  0x7a, 0x83, 0x84, 0x85, 0x86, 0x87, 0x88, 0x89,
  0x8a, 0x92, 0x93, 0x94, 0x95, 0x96, 0x97, 0x98,
  0x99, 0x9a, 0xa2, 0xa3, 0xa4, 0xa5, 0xa6, 0xa7,
  0xa8, 0xa9, 0xaa, 0xb2, 0xb3, 0xb4, 0xb5, 0xb6,
  0xb7, 0xb8, 0xb9, 0xba, 0xc2, 0xc3, 0xc4, 0xc5,
  0xc6, 0xc7, 0xc8, 0xc9, 0xca, 0xd2, 0xd3, 0xd4,
  0xd5, 0xd6, 0xd7, 0xd8, 0xd9, 0xda, 0xe1, 0xe2,
  0xe3, 0xe4, 0xe5, 0xe6, 0xe7, 0xe8, 0xe9, 0xea,
  0xf1, 0xf2, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7, 0xf8,
  0xf9, 0xfa
};


/* Default Chrominance AC Bits of huffman table specification */
const unsigned char chrom_ac_huffbits[] =
{
  0x00, 0x02, 0x01, 0x02, 0x04, 0x04, 0x03, 0x04,
  0x07, 0x05, 0x04, 0x04, 0x00, 0x01, 0x02, 0x77
};


/* Default Chrominance AC values of huffman table specification */
const unsigned char chrom_ac_huffvalues[] =
{
  0x00, 0x01, 0x02, 0x03, 0x11, 0x04, 0x05, 0x21,
  0x31, 0x06, 0x12, 0x41, 0x51, 0x07, 0x61, 0x71,
  0x13, 0x22, 0x32, 0x81, 0x08, 0x14, 0x42, 0x91,
  0xa1, 0xb1, 0xc1, 0x09, 0x23, 0x33, 0x52, 0xf0,
  0x15, 0x62, 0x72, 0xd1, 0x0a, 0x16, 0x24, 0x34,
  0xe1, 0x25, 0xf1, 0x17, 0x18, 0x19, 0x1a, 0x26,
  0x27, 0x28, 0x29, 0x2a, 0x35, 0x36, 0x37, 0x38,
  0x39, 0x3a, 0x43, 0x44, 0x45, 0x46, 0x47, 0x48,
  0x49, 0x4a, 0x53, 0x54, 0x55, 0x56, 0x57, 0x58,
  0x59, 0x5a, 0x63, 0x64, 0x65, 0x66, 0x67, 0x68,
  0x69, 0x6a, 0x73, 0x74, 0x75, 0x76, 0x77, 0x78,
  0x79, 0x7a, 0x82, 0x83, 0x84, 0x85, 0x86, 0x87,
  0x88, 0x89, 0x8a, 0x92, 0x93, 0x94, 0x95, 0x96,
  0x97, 0x98, 0x99, 0x9a, 0xa2, 0xa3, 0xa4, 0xa5,
  0xa6, 0xa7, 0xa8, 0xa9, 0xaa, 0xb2, 0xb3, 0xb4,
  0xb5, 0xb6, 0xb7, 0xb8, 0xb9, 0xba, 0xc2, 0xc3,
  0xc4, 0xc5, 0xc6, 0xc7, 0xc8, 0xc9, 0xca, 0xd2,
  0xd3, 0xd4, 0xd5, 0xd6, 0xd7, 0xd8, 0xd9, 0xda,
  0xe2, 0xe3, 0xe4, 0xe5, 0xe6, 0xe7, 0xe8, 0xe9,
  0xea, 0xf2, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7, 0xf8,
  0xf9, 0xfa
};


/* EOF */