OpenCores
URL https://opencores.org/ocsvn/mb-jpeg/mb-jpeg/trunk

Subversion Repositories mb-jpeg

Compare Revisions

  • This comparison shows the changes necessary to convert path
    /mb-jpeg/tags/Step2_2/encoder
    from Rev 44 to Rev 66
    Reverse comparison

Rev 44 → Rev 66

/.cdtproject
0,0 → 1,20
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/.project
0,0 → 1,18
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0,0 → 1,84
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/image01.bmp Cannot display: file marked as a binary type. svn:mime-type = application/octet-stream
image01.bmp Property changes : Added: svn:mime-type ## -0,0 +1 ## +application/octet-stream \ No newline at end of property Index: dct.h =================================================================== --- dct.h (nonexistent) +++ dct.h (revision 66) @@ -0,0 +1,21 @@ + +#include +#include + +/* + Function Name: dct + + Operation: Find the 8x8 DCT of an array using separable DCT + First, finds 1-d DCT along rows, storing the result in inter[][] + Then, 1-d DCT along columns of inter[][] is found + + Input: pixels is the 8x8 input array + + Output: dct is the 8x8 output array +*/ + + + +void dct(signed char pixels[8][8], signed short dct[8][8]); + +void IDCT(short input[8][8], signed char output[8][8]); Index: weights.h =================================================================== --- weights.h (nonexistent) +++ weights.h (revision 66) @@ -0,0 +1,514 @@ +signed int weights[512] = { +16384, +16384, +16384, +16384, +16384, +16384, +16384, +16384, +16069, +13623, +9102, +3196, 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+-16069, +16069, +-13623, +9102, +-3196 +}; Index: huffman.c =================================================================== --- huffman.c (nonexistent) +++ huffman.c (revision 66) @@ -0,0 +1,718 @@ +#pragma argsused +/* +Only encoder +This version works correctly, it is tested with testcase.jpg +The translation into real huffman codes works. +Changed: If huffman wants to send 0xFFxx (FF in one byte) than there must be 0x00 inserted between FF and xx +possible fault in finish send: +-must it be filled up with zeros? YES +-must it be filled up to one bye? or 2 byte? --> in this code there is filled up to 2 bytes, but I (joris) thinks this must be filled up to 1 byte. + still dont know +- 24-11-05 code clean up +- 24-11-05 tables added for color + + + +Block numbers: +Y = 0 +cb =1 +cr= 2 +*/ +//--------------------------------------------------------------------------- +#pragma hdrstop +#include +#ifdef __MICROBLAZE +#include "xup2pro.h" +#endif +//=========================================================================== +void PrintMatrix(char* pixelmatrix) +{ +int i; +// printf("MATRIX= \n"); +// for (i=0;i<64;i++) printf("%d |",pixelmatrix[i]); +// printf("\n"); +} +//=========================================================================== +void FillMatrix( char* pixelmatrix,int select) +{ + int i; + if (select== 0) + { + for (i=0;i<64;i++) pixelmatrix[i]=0; + pixelmatrix[0]=6; + pixelmatrix[1]=-4; + pixelmatrix[2]=15; + pixelmatrix[3]=4; + pixelmatrix[7]=-1; + pixelmatrix[11]=2; + pixelmatrix[12]=2; + pixelmatrix[20]=-1; + + } + else if (select == 1 ) + { + for (i=0;i<64;i++) pixelmatrix[i]=0; + pixelmatrix[0]=36; + pixelmatrix[1]=-1; + pixelmatrix[2]=1; + pixelmatrix[3]=-2; + pixelmatrix[4]=3; + pixelmatrix[5]=-5; + pixelmatrix[6]=0; + pixelmatrix[7]=7; + pixelmatrix[8]=4; + pixelmatrix[9]=-10; + pixelmatrix[12]=8; + pixelmatrix[13]=-16; + pixelmatrix[14]=17; + pixelmatrix[33]=30; + pixelmatrix[34]=-63; + pixelmatrix[35]=-32; + pixelmatrix[36]=50; + pixelmatrix[40]=-100; + pixelmatrix[41]=121; + pixelmatrix[42]=100; + pixelmatrix[47]=-3; + pixelmatrix[48]=-2; + pixelmatrix[49]=-7; + pixelmatrix[50]=-15; + pixelmatrix[51]=3; + pixelmatrix[52]=7; + } +} +//=========================================================================== +void ConvertDCMagnitudeC(unsigned char magnitude,unsigned short int *out, unsigned short int *lenght) +{ + switch (magnitude) { + case 0x00 : *out=0x0000; *lenght=2; break; + case 0x01 : *out=0x0001; *lenght=2; break; + case 0x02 : *out=0x0002; *lenght=2; break; + case 0x03 : *out=0x0006; *lenght=3; break; + case 0x04 : *out=0x000e; *lenght=4; break; + case 0x05 : *out=0x001e; *lenght=5; break; + case 0x06 : *out=0x003e; *lenght=6; break; + case 0x07 : *out=0x007e; *lenght=7; break; + case 0x08 : *out=0x00fe; *lenght=8; break; + case 0x09 : *out=0x01fe; *lenght=9; break; + case 0x0a : *out=0x03fe; *lenght=10; break; + case 0x0b : *out=0x07fe; *lenght=11; break; + } +} +//=========================================================================== +void ConvertACMagnitudeC(unsigned char magnitude,unsigned short int *out, unsigned short int *lenght) +{ + switch (magnitude) { +case 0x00 : *lenght=0x02; *out=0x0000; break; //1010 +case 0x01 : *lenght=0x02; *out=0x0001; break; //00 +case 0x02 : *lenght=0x03; *out=0x0004; break; //01 +case 0x03 : *lenght=0x04; *out=0x000a; break; //100 +case 0x04 : *lenght=0x05; *out=0x0018; break; //1011 +case 0x05 : *lenght=0x05; *out=0x0019; break; //11010 +case 0x06 : *lenght=0x06; *out=0x0038; break; //1111000 +case 0x07 : *lenght=0x07; *out=0x0078; break; //11111000 +case 0x08 : *lenght=0x09; *out=0x01f4; break; //1111110110 +case 0x09 : *lenght=0x0a; *out=0x03f6; break; //1111111110000010 +case 0x0A : *lenght=0x0c; *out=0x0ff4; break; //1111111110000011 +case 0x11 : *lenght=0x04; *out=0x000b; break; //1100 +case 0x12 : *lenght=0x06; *out=0x0039; break; //11011 +case 0x13 : *lenght=0x08; *out=0x00f6; break; //1111001 +case 0x14 : *lenght=0x09; *out=0x01f5; break; //111110110 +case 0x15 : *lenght=0x0b; *out=0x07f6; break; //11111110110 +case 0x16 : *lenght=0x0c; *out=0x0ff5; break; //1111111110000100 +case 0x17 : *lenght=0x10; *out=0xff88; break; //1111111110000101 +case 0x18 : *lenght=0x10; *out=0xff89; break; //1111111110000110 +case 0x19 : *lenght=0x10; *out=0xff8a; break; //1111111110000111 +case 0x1A : *lenght=0x10; *out=0xff8b; break; //1111111110001000 +case 0x21 : *lenght=0x05; *out=0x001a; break; //11100 +case 0x22 : *lenght=0x08; *out=0x00f7; break; //11111001 +case 0x23 : *lenght=0x0a; *out=0x03f7; break; //1111110111 +case 0x24 : *lenght=0x0c; *out=0x0ff6; break; //111111110100 +case 0x25 : *lenght=0x0f; *out=0x7fc2; break; //1111111110001001 +case 0x26 : *lenght=0x10; *out=0xff8c; break; //1111111110001010 +case 0x27 : *lenght=0x10; *out=0xff8d; break; //1111111110001011 +case 0x28 : *lenght=0x10; *out=0xff8e; break; //1111111110001100 +case 0x29 : *lenght=0x10; *out=0xff8f; break; //1111111110001101 +case 0x2A : *lenght=0x10; *out=0xff90; break; //1111111110001110 +case 0x31 : *lenght=0x05; *out=0x001b; break; //111010 +case 0x32 : *lenght=0x08; *out=0x00f8; break; //111110111 +case 0x33 : *lenght=0x0a; *out=0x03f8; break; //111111110101 +case 0x34 : *lenght=0x0c; *out=0x0ff7; break; //1111111110001111 +case 0x35 : *lenght=0x10; *out=0xff91; break; //1111111110010000 +case 0x36 : *lenght=0x10; *out=0xff92; break; //1111111110010001 +case 0x37 : *lenght=0x10; *out=0xff93; break; //1111111110010010 +case 0x38 : *lenght=0x10; *out=0xff94; break; //1111111110010011 +case 0x39 : *lenght=0x10; *out=0xff95; break; //1111111110010100 +case 0x3A : *lenght=0x10; *out=0xff96; break; //1111111110010101 +case 0x41 : *lenght=0x06; *out=0x003a; break; //111011 +case 0x42 : *lenght=0x09; *out=0x01f6; break; //1111111000 +case 0x43 : *lenght=0x10; *out=0xff97; break; //1111111110010110 +case 0x44 : *lenght=0x10; *out=0xff98; break; //1111111110010111 +case 0x45 : *lenght=0x10; *out=0xff99; break; //1111111110011000 +case 0x46 : *lenght=0x10; *out=0xff9a; break; //1111111110011001 +case 0x47 : *lenght=0x10; *out=0xff9b; break; //1111111110011010 +case 0x48 : *lenght=0x10; *out=0xff9c; break; //1111111110011011 +case 0x49 : *lenght=0x10; *out=0xff9d; break; //1111111110011100 +case 0x4A : *lenght=0x10; *out=0xff9e; break; //1111111110011101 +case 0x51 : *lenght=0x06; *out=0x003b; break; //1111010 +case 0x52 : *lenght=0x0a; *out=0x03f9; break; //11111110111 +case 0x53 : *lenght=0x10; *out=0xff9f; break; //1111111110011110 +case 0x54 : *lenght=0x10; *out=0xffa0; break; //1111111110011111 +case 0x55 : *lenght=0x10; *out=0xffa1; break; //1111111110100000 +case 0x56 : *lenght=0x10; *out=0xFFA2; break; //1111111110100001 +case 0x57 : *lenght=0x10; *out=0xFFA3; break; //1111111110100010 +case 0x58 : *lenght=0x10; *out=0xFFA4; break; //1111111110100011 +case 0x59 : *lenght=0x10; *out=0xFFA5; break; //1111111110100100 +case 0x5A : *lenght=0x10; *out=0xFFA6; break; //1111111110100101 +case 0x61 : *lenght=0x07; *out=0x0079; break; //1111011 +case 0x62 : *lenght=0x0b; *out=0x07f7; break; //111111110110 +case 0x63 : *lenght=0x10; *out=0xffa7; break; //1111111110100110 +case 0x64 : *lenght=0x10; *out=0xffa8; break; //1111111110100111 +case 0x65 : *lenght=0x10; *out=0xffa9; break; //1111111110101000 +case 0x66 : *lenght=0x10; *out=0xffaa; break; //1111111110101001 +case 0x67 : *lenght=0x10; *out=0xffab; break; //1111111110101010 +case 0x68 : *lenght=0x10; *out=0xFFAc; break; //1111111110101011 +case 0x69 : *lenght=0x10; *out=0xFFAf; break; //1111111110101100 +case 0x6A : *lenght=0x10; *out=0xFFAe; break; //1111111110101101 +case 0x71 : *lenght=0x07; *out=0x007a; break; //11111010 +case 0x72 : *lenght=0x0b; *out=0x07f8; break; //111111110111 +case 0x73 : *lenght=0x10; *out=0xffaf; break; //1111111110101110 +case 0x74 : *lenght=0x10; *out=0xffb0; break; //1111111110101111 +case 0x75 : *lenght=0x10; *out=0xFFB1; break; //1111111110110000 +case 0x76 : *lenght=0x10; *out=0xFFB2; break; //111111110110001 +case 0x77 : *lenght=0x10; *out=0xFFB3; break; //111111110110010 +case 0x78 : *lenght=0x10; *out=0xFFB4; break; //111111110110011 +case 0x79 : *lenght=0x10; *out=0xFFB5; break; //1111111110110100 +case 0x7A : *lenght=0x10; *out=0xFFB6; break; //1111111110110101 +case 0x81 : *lenght=0x08; *out=0x00f9; break; //111111000 +case 0x82 : *lenght=0x10; *out=0xffb7; break; //111111111000000 +case 0x83 : *lenght=0x10; *out=0xFFB8; break; //1111111110110110 +case 0x84 : *lenght=0x10; *out=0xFFB9; break; //1111111110110111 +case 0x85 : *lenght=0x10; *out=0xFFBa; break; //1111111110111000 +case 0x86 : *lenght=0x10; *out=0xFFBb; break; //1111111110111001 +case 0x87 : *lenght=0x10; *out=0xFFBc; break; //1111111110111010 +case 0x88 : *lenght=0x10; *out=0xFFBd; break; //1111111110111011 +case 0x89 : *lenght=0x10; *out=0xFFBe; break; //1111111110111100 +case 0x8A : *lenght=0x10; *out=0xFFBf; break; //1111111110111101 +case 0x91 : *lenght=0x09; *out=0x01f7; break; //111111001 +case 0x92 : *lenght=0x10; *out=0xffc0; break; //1111111110111110 +case 0x93 : *lenght=0x10; *out=0xffc1; break; //1111111110111111 +case 0x94 : *lenght=0x10; *out=0xFFC2; break; //1111111111000000 +case 0x95 : *lenght=0x10; *out=0xFFC3; break; //1111111111000001 +case 0x96 : *lenght=0x10; *out=0xFFC4; break; //1111111111000010 +case 0x97 : *lenght=0x10; *out=0xFFC5; break; //1111111111000011 +case 0x98 : *lenght=0x10; *out=0xFFC6; break; //1111111111000100 +case 0x99 : *lenght=0x10; *out=0xFFC7; break; //1111111111000101 +case 0x9A : *lenght=0x10; *out=0xFFC8; break; //1111111111000110 +case 0xA1 : *lenght=0x09; *out=0x01f8; break; //111111010 +case 0xA2 : *lenght=0x10; *out=0xffc9; break; //1111111111000111 +case 0xA3 : *lenght=0x10; *out=0xFFCa; break; //1111111111001000 +case 0xA4 : *lenght=0x10; *out=0xFFCb; break; //1111111111001001 +case 0xA5 : *lenght=0x10; *out=0xFFCc; break; //1111111111001010 +case 0xA6 : *lenght=0x10; *out=0xFFCd; break; //1111111111001011 +case 0xA7 : *lenght=0x10; *out=0xFFCe; break; //1111111111001100 +case 0xA8 : *lenght=0x10; *out=0xFFCf; break; //1111111111001101 +case 0xA9 : *lenght=0x10; *out=0xFFd0; break; //1111111111001110 +case 0xAA : *lenght=0x10; *out=0xFFd1; break; //1111111111001111 +case 0xB1 : *lenght=0x09; *out=0x01f9; break; //1111111001 +case 0xB2 : *lenght=0x10; *out=0xFFD2; break; //1111111111010000 +case 0xB3 : *lenght=0x10; *out=0xFFD3; break; //1111111111010001 +case 0xB4 : *lenght=0x10; *out=0xFFD4; break; //1111111111010010 +case 0xB5 : *lenght=0x10; *out=0xFFD5; break; //1111111111010011 +case 0xB6 : *lenght=0x10; *out=0xFFD6; break; //1111111111010100 +case 0xB7 : *lenght=0x10; *out=0xFFD7; break; //1111111111010101 +case 0xB8 : *lenght=0x10; *out=0xFFD8; break; //1111111111010110 +case 0xB9 : *lenght=0x10; *out=0xFFD9; break; //1111111111010111 +case 0xBA : *lenght=0x10; *out=0xFFDa; break; //1111111111011000 +case 0xC1 : *lenght=0x09; *out=0x01fa; break; //1111111010 +case 0xC2 : *lenght=0x10; *out=0xFFDb; break; //1111111111011001 +case 0xC3 : *lenght=0x10; *out=0xFFDc; break; //1111111111011010 +case 0xC4 : *lenght=0x10; *out=0xFFDd; break; //1111111111011011 +case 0xC5 : *lenght=0x10; *out=0xFFDe; break; //1111111111011100 +case 0xC6 : *lenght=0x10; *out=0xFFDf; break; //1111111111011101 +case 0xC7 : *lenght=0x10; *out=0xFFe0; break; //1111111111011110 +case 0xC8 : *lenght=0x10; *out=0xFFe1; break; //1111111111011111 +case 0xC9 : *lenght=0x10; *out=0xFFe2; break; //1111111111100000 +case 0xCA : *lenght=0x10; *out=0xFFe3; break; //1111111111100001 +case 0xD1 : *lenght=0x0b; *out=0x07f9; break; //11111111000 +case 0xD2 : *lenght=0x10; *out=0xFFE4; break; //1111111111100010 +case 0xD3 : *lenght=0x10; *out=0xFFE5; break; //1111111111100011 +case 0xD4 : *lenght=0x10; *out=0xFFE6; break; //1111111111100100 +case 0xD5 : *lenght=0x10; *out=0xFFE7; break; //1111111111100101 +case 0xD6 : *lenght=0x10; *out=0xFFE8; break; //1111111111100110 +case 0xD7 : *lenght=0x10; *out=0xFFE9; break; //1111111111100111 +case 0xD8 : *lenght=0x10; *out=0xFFEa; break; //1111111111101000 +case 0xD9 : *lenght=0x10; *out=0xFFEb; break; //1111111111101001 +case 0xDA : *lenght=0x10; *out=0xFFEc; break; //1111111111101010 +case 0xE1 : *lenght=0x0e; *out=0x3fe0; break; //1111111111101011 +case 0xE2 : *lenght=0x10; *out=0xffed; break; //1111111111101100 +case 0xE3 : *lenght=0x10; *out=0xFFEe; break; //1111111111101101 +case 0xE4 : *lenght=0x10; *out=0xFFEf; break; //1111111111101110 +case 0xE5 : *lenght=0x10; *out=0xFFf0; break; //1111111111101111 +case 0xE6 : *lenght=0x10; *out=0xFFF1; break; //1111111111110000 +case 0xE7 : *lenght=0x10; *out=0xFFF2; break; //1111111111110001 +case 0xE8 : *lenght=0x10; *out=0xFFF3; break; //1111111111110010 +case 0xE9 : *lenght=0x10; *out=0xFFF4; break; //1111111111110011 +case 0xEA : *lenght=0x10; *out=0xFFF5; break; //1111111111110100 +case 0xF0 : *lenght=0x0a; *out=0x03fa; break; //11111111001 +case 0xF1 : *lenght=0x0f; *out=0x7fc3; break; //1111111111110101 +case 0xF2 : *lenght=0x10; *out=0xFFF6; break; //1111111111110110 +case 0xF3 : *lenght=0x10; *out=0xFFF7; break; //1111111111110111 +case 0xF4 : *lenght=0x10; *out=0xFFF8; break; //1111111111111000 +case 0xF5 : *lenght=0x10; *out=0xFFF9; break; //1111111111111001 +case 0xF6 : *lenght=0x10; *out=0xFFFA; break; //1111111111111010 +case 0xF7 : *lenght=0x10; *out=0xFFFB; break; //1111111111111011 +case 0xF8 : *lenght=0x10; *out=0xFFFC; break; //1111111111111100 +case 0xF9 : *lenght=0x10; *out=0xFFFD; break; //1111111111111101 +case 0xFA : *lenght=0x10; *out=0xFFFE; break; //1111111111111110 +#ifndef __MICROBLAZE +default : printf("WAARDE STAAT NIET IN TABEL!!!!!!!!!!!!!!!!!!!!\n");break; +#endif + } + // printf("magnitude= %x out= %x lenght= %d \n",magnitude,*out,*lenght); + return; +} +//=========================================================================== +void ConvertDCMagnitudeY(unsigned char magnitude,unsigned short int *out, unsigned short int *lenght) +{ + switch (magnitude) { + case 0x00 : *out=0x0000; *lenght=2; break; + case 0x01 : *out=0x0002; *lenght=3; break; + case 0x02 : *out=0x0003; *lenght=3; break; + case 0x03 : *out=0x0004; *lenght=3; break; + case 0x04 : *out=0x0005; *lenght=3; break; + case 0x05 : *out=0x0006; *lenght=3; break; + case 0x06 : *out=0x000e; *lenght=4; break; + case 0x07 : *out=0x001e; *lenght=5; break; + case 0x08 : *out=0x003e; *lenght=6; break; + case 0x09 : *out=0x007e; *lenght=7; break; + case 0x0a : *out=0x00fe; *lenght=8; break; + case 0x0b : *out=0x01fe; *lenght=9; break; + } +} +//=========================================================================== +void ConvertACMagnitudeY(unsigned char magnitude,unsigned short int *out, unsigned short int *lenght) +{ + switch (magnitude) { +case 0x00 : *lenght=4; *out=0xFFFA; break; //1010 +case 0x01 : *lenght=2; *out=0xFFF0; break; //00 +case 0x02 : *lenght=2; *out=0xFFF1; break; //01 +case 0x03 : *lenght=3; *out=0xFFF4; break; //100 +case 0x04 : *lenght=4; *out=0xFFFB; break; //1011 +case 0x05 : *lenght=5; *out=0xFFFA; break; //11010 +case 0x06 : *lenght=7; *out=0xFFF8; break; //1111000 +case 0x07 : *lenght=8; *out=0xFFF8; break; //11111000 +case 0x08 : *lenght=10; *out=0xFFF6; break; //1111110110 +case 0x09 : *lenght=16; *out=0xFF82; break; //1111111110000010 +case 0x0A : *lenght=16; *out=0xFF83; break; //1111111110000011 +case 0x11 : *lenght=4; *out=0xFFFC; break; //1100 +case 0x12 : *lenght=5; *out=0xFFFB; break; //11011 +case 0x13 : *lenght=7; *out=0xFFF9; break; //1111001 +case 0x14 : *lenght=9; *out=0xFFF6; break; //111110110 +case 0x15 : *lenght=11; *out=0xFFF6; break; //11111110110 +case 0x16 : *lenght=16; *out=0xFF84; break; //1111111110000100 +case 0x17 : *lenght=16; *out=0xFF85; break; //1111111110000101 +case 0x18 : *lenght=16; *out=0xFF86; break; //1111111110000110 +case 0x19 : *lenght=16; *out=0xFF87; break; //1111111110000111 +case 0x1A : *lenght=16; *out=0xFF88; break; //1111111110001000 +case 0x21 : *lenght=5; *out=0xFFFC; break; //11100 +case 0x22 : *lenght=8; *out=0xFFF9; break; //11111001 +case 0x23 : *lenght=10; *out=0xFFF7; break; //1111110111 +case 0x24 : *lenght=12; *out=0xFFF4; break; //111111110100 +case 0x25 : *lenght=16; *out=0xFF89; break; //1111111110001001 +case 0x26 : *lenght=16; *out=0xFF8A; break; //1111111110001010 +case 0x27 : *lenght=16; *out=0xFF8B; break; //1111111110001011 +case 0x28 : *lenght=16; *out=0xFF8C; break; //1111111110001100 +case 0x29 : *lenght=16; *out=0xFF8D; break; //1111111110001101 +case 0x2A : *lenght=16; *out=0xFF8E; break; //1111111110001110 +case 0x31 : *lenght=6; *out=0xFFFA; break; //111010 +case 0x32 : *lenght=9; *out=0xFFF7; break; //111110111 +case 0x33 : *lenght=12; *out=0xFFF5; break; //111111110101 +case 0x34 : *lenght=16; *out=0xFF8F; break; //1111111110001111 +case 0x35 : *lenght=16; *out=0xFF90; break; //1111111110010000 +case 0x36 : *lenght=16; *out=0xFF91; break; //1111111110010001 +case 0x37 : *lenght=16; *out=0xFF92; break; //1111111110010010 +case 0x38 : *lenght=16; *out=0xFF93; break; //1111111110010011 +case 0x39 : *lenght=16; *out=0xFF94; break; //1111111110010100 +case 0x3A : *lenght=16; *out=0xFF95; break; //1111111110010101 +case 0x41 : *lenght=6; *out=0xFFFB; break; //111011 +case 0x42 : *lenght=10; *out=0xFFF8; break; //1111111000 +case 0x43 : *lenght=16; *out=0xFF96; break; //1111111110010110 +case 0x44 : *lenght=16; *out=0xFF97; break; //1111111110010111 +case 0x45 : *lenght=16; *out=0xFF98; break; //1111111110011000 +case 0x46 : *lenght=16; *out=0xFF99; break; //1111111110011001 +case 0x47 : *lenght=16; *out=0xFF9A; break; //1111111110011010 +case 0x48 : *lenght=16; *out=0xFF9B; break; //1111111110011011 +case 0x49 : *lenght=16; *out=0xFF9C; break; //1111111110011100 +case 0x4A : *lenght=16; *out=0xFF9D; break; //1111111110011101 +case 0x51 : *lenght=7; *out=0xFFFA; break; //1111010 +case 0x52 : *lenght=11; *out=0xFFF7; break; //11111110111 +case 0x53 : *lenght=16; *out=0xFF9E; break; //1111111110011110 +case 0x54 : *lenght=16; *out=0xFF9F; break; //1111111110011111 +case 0x55 : *lenght=16; *out=0xFFA0; break; //1111111110100000 +case 0x56 : *lenght=16; *out=0xFFA1; break; //1111111110100001 +case 0x57 : *lenght=16; *out=0xFFA2; break; //1111111110100010 +case 0x58 : *lenght=16; *out=0xFFA3; break; //1111111110100011 +case 0x59 : *lenght=16; *out=0xFFA4; break; //1111111110100100 +case 0x5A : *lenght=16; *out=0xFFA5; break; //1111111110100101 +case 0x61 : *lenght=7; *out=0xFFFB; break; //1111011 +case 0x62 : *lenght=12; *out=0xFFF6; break; //111111110110 +case 0x63 : *lenght=16; *out=0xFFA6; break; //1111111110100110 +case 0x64 : *lenght=16; *out=0xFFA7; break; //1111111110100111 +case 0x65 : *lenght=16; *out=0xFFA8; break; //1111111110101000 +case 0x66 : *lenght=16; *out=0xFFA9; break; //1111111110101001 +case 0x67 : *lenght=16; *out=0xFFAA; break; //1111111110101010 +case 0x68 : *lenght=16; *out=0xFFAB; break; //1111111110101011 +case 0x69 : *lenght=16; *out=0xFFAC; break; //1111111110101100 +case 0x6A : *lenght=16; *out=0xFFAD; break; //1111111110101101 +case 0x71 : *lenght=8; *out=0xFFFA; break; //11111010 +case 0x72 : *lenght=12; *out=0xFFF7; break; //111111110111 +case 0x73 : *lenght=16; *out=0xFFAE; break; //1111111110101110 +case 0x74 : *lenght=16; *out=0xFFAF; break; //1111111110101111 +case 0x75 : *lenght=16; *out=0xFFB0; break; //1111111110110000 +case 0x76 : *lenght=16; *out=0xFFB1; break; //111111110110001 +case 0x77 : *lenght=16; *out=0xFFB2; break; //111111110110010 +case 0x78 : *lenght=16; *out=0xFFB3; break; //111111110110011 +case 0x79 : *lenght=16; *out=0xFFB4; break; //1111111110110100 +case 0x7A : *lenght=16; *out=0xFFB5; break; //1111111110110101 +case 0x81 : *lenght=9; *out=0xFFF8; break; //111111000 +case 0x82 : *lenght=15; *out=0xFFC0; break; //111111111000000 +case 0x83 : *lenght=16; *out=0xFFB6; break; //1111111110110110 +case 0x84 : *lenght=16; *out=0xFFB7; break; //1111111110110111 +case 0x85 : *lenght=16; *out=0xFFB8; break; //1111111110111000 +case 0x86 : *lenght=16; *out=0xFFB9; break; //1111111110111001 +case 0x87 : *lenght=16; *out=0xFFBA; break; //1111111110111010 +case 0x88 : *lenght=16; *out=0xFFBB; break; //1111111110111011 +case 0x89 : *lenght=16; *out=0xFFBC; break; //1111111110111100 +case 0x8A : *lenght=16; *out=0xFFBD; break; //1111111110111101 +case 0x91 : *lenght=9; *out=0xFFF9; break; //111111001 +case 0x92 : *lenght=16; *out=0xFFBE; break; //1111111110111110 +case 0x93 : *lenght=16; *out=0xFFBF; break; //1111111110111111 +case 0x94 : *lenght=16; *out=0xFFC0; break; //1111111111000000 +case 0x95 : *lenght=16; *out=0xFFC1; break; //1111111111000001 +case 0x96 : *lenght=16; *out=0xFFC2; break; //1111111111000010 +case 0x97 : *lenght=16; *out=0xFFC3; break; //1111111111000011 +case 0x98 : *lenght=16; *out=0xFFC4; break; //1111111111000100 +case 0x99 : *lenght=16; *out=0xFFC5; break; //1111111111000101 +case 0x9A : *lenght=16; *out=0xFFC6; break; //1111111111000110 +case 0xA1 : *lenght=9; *out=0xFFFA; break; //111111010 +case 0xA2 : *lenght=16; *out=0xFFC7; break; //1111111111000111 +case 0xA3 : *lenght=16; *out=0xFFC8; break; //1111111111001000 +case 0xA4 : *lenght=16; *out=0xFFC9; break; //1111111111001001 +case 0xA5 : *lenght=16; *out=0xFFCA; break; //1111111111001010 +case 0xA6 : *lenght=16; *out=0xFFCB; break; //1111111111001011 +case 0xA7 : *lenght=16; *out=0xFFCC; break; //1111111111001100 +case 0xA8 : *lenght=16; *out=0xFFCD; break; //1111111111001101 +case 0xA9 : *lenght=16; *out=0xFFCE; break; //1111111111001110 +case 0xAA : *lenght=16; *out=0xFFCF; break; //1111111111001111 +case 0xB1 : *lenght=10; *out=0xFFF9; break; //1111111001 +case 0xB2 : *lenght=16; *out=0xFFD0; break; //1111111111010000 +case 0xB3 : *lenght=16; *out=0xFFD1; break; //1111111111010001 +case 0xB4 : *lenght=16; *out=0xFFD2; break; //1111111111010010 +case 0xB5 : *lenght=16; *out=0xFFD3; break; //1111111111010011 +case 0xB6 : *lenght=16; *out=0xFFD4; break; //1111111111010100 +case 0xB7 : *lenght=16; *out=0xFFD5; break; //1111111111010101 +case 0xB8 : *lenght=16; *out=0xFFD6; break; //1111111111010110 +case 0xB9 : *lenght=16; *out=0xFFD7; break; //1111111111010111 +case 0xBA : *lenght=16; *out=0xFFD8; break; //1111111111011000 +case 0xC1 : *lenght=10; *out=0xFFFA; break; //1111111010 +case 0xC2 : *lenght=16; *out=0xFFD9; break; //1111111111011001 +case 0xC3 : *lenght=16; *out=0xFFDA; break; //1111111111011010 +case 0xC4 : *lenght=16; *out=0xFFDB; break; //1111111111011011 +case 0xC5 : *lenght=16; *out=0xFFDC; break; //1111111111011100 +case 0xC6 : *lenght=16; *out=0xFFDD; break; //1111111111011101 +case 0xC7 : *lenght=16; *out=0xFFDE; break; //1111111111011110 +case 0xC8 : *lenght=16; *out=0xFFDF; break; //1111111111011111 +case 0xC9 : *lenght=16; *out=0xFFE0; break; //1111111111100000 +case 0xCA : *lenght=16; *out=0xFFE1; break; //1111111111100001 +case 0xD1 : *lenght=11; *out=0xFFF8; break; //11111111000 +case 0xD2 : *lenght=16; *out=0xFFE2; break; //1111111111100010 +case 0xD3 : *lenght=16; *out=0xFFE3; break; //1111111111100011 +case 0xD4 : *lenght=16; *out=0xFFE4; break; //1111111111100100 +case 0xD5 : *lenght=16; *out=0xFFE5; break; //1111111111100101 +case 0xD6 : *lenght=16; *out=0xFFE6; break; //1111111111100110 +case 0xD7 : *lenght=16; *out=0xFFE7; break; //1111111111100111 +case 0xD8 : *lenght=16; *out=0xFFE8; break; //1111111111101000 +case 0xD9 : *lenght=16; *out=0xFFE9; break; //1111111111101001 +case 0xDA : *lenght=16; *out=0xFFEA; break; //1111111111101010 +case 0xE1 : *lenght=16; *out=0xFFEB; break; //1111111111101011 +case 0xE2 : *lenght=16; *out=0xFFEC; break; //1111111111101100 +case 0xE3 : *lenght=16; *out=0xFFED; break; //1111111111101101 +case 0xE4 : *lenght=16; *out=0xFFEE; break; //1111111111101110 +case 0xE5 : *lenght=16; *out=0xFFEF; break; //1111111111101111 +case 0xE6 : *lenght=16; *out=0xFFF0; break; //1111111111110000 +case 0xE7 : *lenght=16; *out=0xFFF1; break; //1111111111110001 +case 0xE8 : *lenght=16; *out=0xFFF2; break; //1111111111110010 +case 0xE9 : *lenght=16; *out=0xFFF3; break; //1111111111110011 +case 0xEA : *lenght=16; *out=0xFFF4; break; //1111111111110100 +case 0xF0 : *lenght=11; *out=0xFFF9; break; //11111111001 +case 0xF1 : *lenght=16; *out=0xFFF5; break; //1111111111110101 +case 0xF2 : *lenght=16; *out=0xFFF6; break; //1111111111110110 +case 0xF3 : *lenght=16; *out=0xFFF7; break; //1111111111110111 +case 0xF4 : *lenght=16; *out=0xFFF8; break; //1111111111111000 +case 0xF5 : *lenght=16; *out=0xFFF9; break; //1111111111111001 +case 0xF6 : *lenght=16; *out=0xFFFA; break; //1111111111111010 +case 0xF7 : *lenght=16; *out=0xFFFB; break; //1111111111111011 +case 0xF8 : *lenght=16; *out=0xFFFC; break; //1111111111111100 +case 0xF9 : *lenght=16; *out=0xFFFD; break; //1111111111111101 +case 0xFA : *lenght=16; *out=0xFFFE; break; //1111111111111110 +#ifndef __MICROBLAZE +default : printf("WAARDE STAAT NIET IN TABEL!!!!!!!!!!!!!!!!!!!!\n");break; +#endif + } + // printf("magnitude= %x out= %x lenght= %d \n",magnitude,*out,*lenght); + return; +} +//=========================================================================== +char Extend (char additional, unsigned char magnitude) +{ + int vt= 1 << (magnitude-1); + if ( additional < vt ) return (additional + (-1 << magnitude) + 1); + else return additional; +} +//=========================================================================== +void ReverseExtend (char value, unsigned char *magnitude, unsigned char *bits) +{ + // printf("reverseextend value= %d\n",*magnitude); + if (value >=0) + { + *bits=value; + } + else + { + value=-value; + *bits=~value; + } + *magnitude=0; + while (value !=0) + { + value>>=1; + ++*magnitude; + } + // printf("reverseextend magnitude= %d bits= %d",magnitude,bits); + return; +} + +static int __count3=0; + +//=========================================================================== +void WriteRawBits16(unsigned char amount_bits, unsigned int bits, unsigned int *remaining,unsigned char *amount_remaining, FILE* file) //*remaining needs bo be more than 8 bits because 8 bits could be added and ther ecould already be up ot 7 bits in *remaining +// this function collects bits to send +// if there less than 16 bits collected, nothing is send and these bits are stored in *remaining. In *amount_remaining there is stated how much bits are stored in *remaining +// if more than 16 bits are collected, 16 bits are send and the remaining bits are stored again +{ + unsigned short int send; + unsigned int mask; + unsigned char send2; + int count; + + #ifdef __MICROBLAZE + if (__count3<16) { + xil_printf("%x %x, ", amount_bits, bits); + __count3++; + if ((__count3&0x07)==0) xil_printf("\r\n"); + } +#else + if (__count3<16) { + printf(" %x %x, ", amount_bits, bits); + __count3++; + if ((__count3&0x07)==0) printf("\r\n"); + } +#endif + + + mask=0x00; //init mask + *remaining=(*remaining<0; count--) mask=(mask<<1)|0x01; //create mask for adding bit + *remaining=*remaining | (bits&mask); //add bits + *amount_remaining=*amount_remaining + amount_bits; //change *amount_remaining to the correct new value + if (*amount_remaining >= 16) //are there more than 16 bits in buffer, send 16 bits + { + +#ifndef __MICROBLAZE +if (*amount_remaining >= 32 ) printf("ERROR, more bits to send %d",*amount_remaining); +#endif + + send=*remaining>>(*amount_remaining-16); //this value can be send/stored (in art this can be dony by selecting bits) + send2=(send & 0xFF00) >>8; +#ifdef __MICROBLAZE + sysace_fwrite(&send2,1,1,file); +#else + fwrite(&send2,1,1,file); +#endif + if (send2==0xFF) + { + send2=0x00; +#ifdef __MICROBLAZE + sysace_fwrite(&send2,1,1,file); +#else + fwrite(&send2,1,1,file); +#endif + } + send2=send & 0xFF; +#ifdef __MICROBLAZE + sysace_fwrite(&send2,1,1,file); +#else + fwrite(&send2,1,1,file); +#endif + if (send2==0xFF) + { + send2=0x00; +#ifdef __MICROBLAZE + sysace_fwrite(&send2,1,1,file); +#else + fwrite(&send2,1,1,file); +#endif + } + *amount_remaining=*amount_remaining-16; //descrease by 16 because these are send + } + return; +} +//=========================================================================== +void HuffmanEncodeFinishSend(unsigned int *remaining,unsigned char *amount_remaining, FILE* file) +// There are still some bits left to send at the end of the 8x8 matrix (or maybe the file), +// the remaining bits are filled up with ones and send +// possible fault: -must it be filled up with ones? +{ + unsigned short int send; + unsigned int mask; + int count; + mask=0x00; //init mask + if (*amount_remaining >= 8) // //2 bytes to send, send first byte + { + send=*remaining>>(*amount_remaining-8); //shift so that first byte is ready to send +#ifdef __MICROBLAZE + sysace_fwrite(&send,1,1,file); +#else + fwrite(&send,1,1,file); +#endif + if (send==0xFF) //is this still needed???? + { + send=0x00; +#ifdef __MICROBLAZE + sysace_fwrite(&send,1,1,file); +#else + fwrite(&send,1,1,file); + #endif + } + *amount_remaining=*amount_remaining -8; // lower the value to the amount of bits that still needs to be send + } + if (*amount_remaining >= 0) //there is a last byte to send + { + send=*remaining<<(8-*amount_remaining); //shift the last bits to send to the front of the byte + mask=0x00; //init mask + for (count=(8-*amount_remaining); count>0; count--) mask=(mask<<1)|0x01; //create mask to fill byte up with ones + send=send | mask; //add the ones to the byte +#ifdef __MICROBLAZE + sysace_fwrite(&send,1,1,file); +#else + fwrite(&send,1,1,file); +#endif + *amount_remaining=0x00; //is this needed? + } + return; +} +//=========================================================================== +void HuffmanEncodeUsingDCTable(unsigned char magnitude,unsigned int *remaining,unsigned char *amount_remaining, FILE* file) +// Translate magnitude into needed data (from table) and send it +{ + unsigned char send; + unsigned short int huffmancode, huffmanlengt; + ConvertDCMagnitudeY(magnitude, &huffmancode, &huffmanlengt); + WriteRawBits16(huffmanlengt,huffmancode,remaining,amount_remaining, file); + //printf("Write DC magnitude= %2x \n",magnitude); + //WriteRawBits16(0x08,magnitude,remaining,amount_remaining, file); + return; +} +//=========================================================================== +void HuffmanEncodeUsingACTable(unsigned char mag,unsigned int *remaining,unsigned char *amount_remaining, FILE* file) +// Translate magnitude into needed data (from table) and send it +{ + unsigned char send; + unsigned short int huffmancode, huffmanlengt; + ConvertACMagnitudeY(mag, &huffmancode, &huffmanlengt); + WriteRawBits16(huffmanlengt,huffmancode,remaining,amount_remaining, file); + return; +} +//=========================================================================== +char EncodeDataUnit(char dataunit[64], char last_dc_value, FILE* file, unsigned int *remaining, unsigned char *amount_remaining, unsigned int color) +{ + char difference; + unsigned char magnitude,zerorun,ii,ert; + unsigned int bits; + unsigned char bits_char; + //init + // PrintMatrix(dataunit) ; + difference = dataunit[0] - last_dc_value; + last_dc_value=dataunit[0]; + ReverseExtend(difference, &magnitude,&bits_char); + bits=bits_char; + HuffmanEncodeUsingDCTable(magnitude,remaining,amount_remaining, file); + WriteRawBits16(magnitude,bits,remaining,amount_remaining, file); + zerorun=0; + ii=1; + while ( ii < 64 ) + { + if (dataunit[ii] != 0 ) + { + while ( zerorun >= 16 ) + { + HuffmanEncodeUsingACTable(0xF0,remaining,amount_remaining,file); + zerorun=zerorun-16; + // printf("16 zeros: %d\n",zerorun); + } + ReverseExtend(dataunit[ii],&magnitude,&bits_char); + bits=bits_char; + ert= ((int)zerorun *16); //ERROR !!!!!!!!!!! + ert=ert + magnitude; + HuffmanEncodeUsingACTable(ert,remaining,amount_remaining,file); + WriteRawBits16(magnitude,bits,remaining,amount_remaining, file); + zerorun=0; + } + else zerorun=zerorun+1; + ii++; + } + if ( zerorun != 0 ) + { + HuffmanEncodeUsingACTable(0x00,remaining,amount_remaining,file); +// printf("NUL DE REST IS NUL\n"); + } + // HuffmanEncodeFinishSend(remaining,amount_remaining,file); + return last_dc_value; +} + +#if 0 +//=========================================================================== +void DecodeDataUnit(char *coefficients[64], char last_dc_value, char value) +{ + char ii; + char lowbits,highbits,extrabits; + //decode DC + + + //decode AC + //set coefficients to 0 + for (ii=0;ii<64;ii++) *coefficients[ii]=0x00; //for the next optimu\ization step: don't write 0 before beginning, these value are overwritten. Only write 0 is you know tha value is 0, now you only write each value once, not twice is the value ain't 0. + while (ii<64) + { +// value= DecodeUsingACTable(); + lowbits = value && 0x0F; + highbits = (value && 0xF0 ) >>4; + + if (lowbits != 0x00) + { +// extrabits = ReadRawBits(lowbits); + ii=ii+highbits; + *coefficients[ii]=Extend(extrabits,lowbits); + ii++; + } + else + { + if (highbits==0xF) ii=ii+16; //run of 16 zeros + else if (highbits == 0x0) ii=64; //the rest are zeros + } + } +} +//=========================================================================== +#endif + + Index: main.c =================================================================== --- main.c (nonexistent) +++ main.c (revision 66) @@ -0,0 +1,305 @@ +#ifdef __MICROBLAZE + +#include +#include + +#include "xup2pro.h" + +#include "zzq.h" +#include "io.h" +#include "huffman.h" +#include "dct.h" + +char* bmpimage; +int bmpsize; + +INFOHEADER _bmpheader; + +static signed char pixelmatrix[MATRIX_SIZE][MATRIX_SIZE*3],YMatrix[MATRIX_SIZE][MATRIX_SIZE],CrMatrix[MATRIX_SIZE][MATRIX_SIZE],CbMatrix[MATRIX_SIZE][MATRIX_SIZE]; +static signed short temp[MATRIX_SIZE][MATRIX_SIZE], dctresult[MATRIX_SIZE][MATRIX_SIZE]; +static signed char output[MATRIX_SIZE][MATRIX_SIZE]; +static signed char bitstream[NUMBER_OF_PIXELS] ; +static unsigned char header[389]; + +int ejpgl_error(int errno, void* remark); + +int main() +{ + SYSACE_FILE *infile; + SYSACE_FILE *outfile; + SYSACE_FILE* outfile2; + + int i; + INFOHEADER *bmpheader; + JPEGHEADER *jpegheader; + unsigned int col, cols, row, rows, remaining,component; + unsigned char amount_remaining, Ydcvalue, Cbdcvalue, Crdcvalue ; + int encode, compression; + + encode = 1; + compression = 0; + + bmpimage=(unsigned char*)0x70000000; + bmpsize=0; + + xil_printf("\r\nBMP2JPG Code Compiled at %s %s\r\n", __DATE__, __TIME__); + + bmpheader=&_bmpheader; + + if ((infile = sysace_fopen("image01.bmp", "r")) == NULL) { + ejpgl_error(eOPENINPUT_FILE, 0); + } + + bmpsize = sysace_fread(bmpimage, 1, 65536, infile); + xil_printf("bmpsize %d\r\n", bmpsize); + if (bmpsize==65536) { + ejpgl_error(eLARGE_INPUTFILE, 0); + } + + if ((outfile2 = sysace_fopen("image01b.bmp", "w")) == NULL) { + ejpgl_error(eOPENOUTPUT_FILE, 0); + } + sysace_fwrite(bmpimage, 1, bmpsize, outfile2); + sysace_fclose(outfile2); + + if (getbmpheader(infile,bmpheader) == 0) { //File is a valid BMP + ejpgl_error(eINVALID_BMP, 0); + } + + xil_printf("Image width: %d pixels\r\n", bmpheader->width); + xil_printf("Image height: %d pixels\r\n", bmpheader->height); + + rows = bmpheader->height>>3; + cols = bmpheader->width>>3; + remaining=0x00; + amount_remaining=0x00; + Ydcvalue = 0x00; + Crdcvalue = 0x00; + Cbdcvalue = 0x00; + + if ((outfile = sysace_fopen("image01.jpg", "w")) == NULL) { + ejpgl_error(eOPENOUTPUT_FILE, 0); + } + + writejpegheader(outfile,bmpheader); + + for (row = 0; row < rows; row++) { + for (col = 0; col < cols; col++) { + readbmpfile(infile,pixelmatrix,row,col,bmpheader); + RGB2YCrCb(pixelmatrix,YMatrix,CrMatrix,CbMatrix); + for(component=0;component<3;component++) { + switch (component) { + case 0 ://Y-encoding + dct(YMatrix,dctresult); + zzq(dctresult,bitstream,compression,encode); + Ydcvalue = EncodeDataUnit(bitstream,Ydcvalue,outfile, &remaining, &amount_remaining,component); + break; + case 1 ://Cr-encoding + dct(CrMatrix,dctresult); + zzq(dctresult,bitstream,compression,encode); + Crdcvalue = EncodeDataUnit(bitstream,Crdcvalue,outfile, &remaining, &amount_remaining,component); + break; + case 2 ://Cb-encoding + dct(CbMatrix,dctresult); + zzq(dctresult,bitstream,compression,encode); + Cbdcvalue = EncodeDataUnit(bitstream,Cbdcvalue,outfile, &remaining, &amount_remaining,component); + break; + } + } + } + } + HuffmanEncodeFinishSend(&remaining,&amount_remaining,outfile); + xil_printf("\r\nProcessed %d %dx%d-blocks.\r\n",(row-1)*cols+col,MATRIX_SIZE,MATRIX_SIZE); + writejpegfooter(outfile); + + + sysace_fclose(outfile); + sysace_fclose(infile); + return 0; + +} + +int ejpgl_error(int errno, void* remark) { + + xil_printf("--> Error %d\r\n", errno); + exit(1); + +} + + + +#else + +//--------------------------------------------------------------------------- +typedef union { /* block of pixel-space values */ + unsigned char block[8][8]; + unsigned char linear[64]; +} PBlock; + +typedef union { /* block of frequency-space values */ + int block[8][8]; + int linear[64]; +} FBlock; + +#include +#include +#ifndef __MICROBLAZE +#include +#endif +#include "zzq.h" +#include "io.h" +#include "huffman.h" +#include "dct.h" +#pragma hdrstop + + +//--------------------------------------------------------------------------- + +INFOHEADER _bmpheader; + +#pragma argsused +int main(int argc, char* argv[]) +{ + int encode, compression,i; + signed char pixelmatrix[MATRIX_SIZE][MATRIX_SIZE*3],YMatrix[MATRIX_SIZE][MATRIX_SIZE],CrMatrix[MATRIX_SIZE][MATRIX_SIZE],CbMatrix[MATRIX_SIZE][MATRIX_SIZE]; + /*= {{124, 105, 139, 95, 143, 98, 132, 114}, +{105, 157, 61, 187, 51, 176, 80, 132}, +{139, 61, 205, 17, 221, 32, 176, 98}, +{95, 187, 17, 239, 0, 221, 51, 143}, +{143, 51, 221, 0, 239, 17, 187, 95}, +{98, 176, 32, 221, 17, 205, 61, 139}, +{132, 80, 176, 51, 187, 61, 157, 105}, +{114, 132, 98, 143, 95, 139, 105, 124}}; */ + signed short temp[MATRIX_SIZE][MATRIX_SIZE], dctresult[MATRIX_SIZE][MATRIX_SIZE]; + signed char output[MATRIX_SIZE][MATRIX_SIZE]; + signed char bitstream[NUMBER_OF_PIXELS] ;//= {15,0,-2,-1,-1,-1,0,0,-1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0}; + unsigned char header[389]; + FILE *infile, *outfile; + INFOHEADER *bmpheader; + JPEGHEADER *jpegheader; +#ifndef __MICROBLAZE + LARGE_INTEGER st, en; +#endif + unsigned int col, cols, row, rows, remaining,component; + unsigned char amount_remaining, Ydcvalue, Cbdcvalue, Crdcvalue ; + + +// bmpheader = (INFOHEADER *)malloc(sizeof(INFOHEADER)); + bmpheader=&_bmpheader; + + switch (argc) { + case 3 : + encode = 0; + break; + case 4 : + encode = 1; + break; + case 5 : + encode = 1; + compression = atoi(argv[4]); + break; + default : + printf("invalid number of parameters\n\nUSAGE: jpegcodec source_file destination_file [/E] [compression_rate]\n"); + printf("\nsource_file \t\t location of original file"); + printf("\ndestination_file \t location of the new file"); + printf("\n/E \t\t\t When set the source_file will be encoded to JPEG \n\t\t\t otherwise it will be decoded to BMP."); + printf("\ncompression_rate \t specifies the compression ratio, defaults to the\n\t\t\t standard compression ratio. (Only valid when /D is set)\n"); + system("PAUSE"); + return 0; + } + + infile = fopen(argv[1],"rb"); + if (infile == NULL) { + printf("Input file %s does not exist!\n\nUSAGE: jpegcodec source_file destination_file [/E] [compression_rate]\n",argv[1]); + printf("\nsource_file \t\t location of original file"); + printf("\ndestination_file \t location of the new file"); + printf("\n/E \t\t\t When set the source_file will be encoded to JPEG \n\t\t\t otherwise it will be decoded to BMP."); + printf("\ncompression_rate \t specifies the compression ratio, defaults to the\n\t\t\t standard compression ratio. (Only valid when /D is set)\n"); + system("PAUSE"); + } + else { //start codec + outfile = fopen(argv[2],"wb"); +#ifndef __MICROBLAZE + QueryPerformanceCounter(&st); +#endif + if(encode) { //encode infile to JPEG + if (getbmpheader(infile,bmpheader)) { //File is a valid BMP + printf("\nImage width: %d pixels", bmpheader->width); + printf("\nImage height: %d pixels", bmpheader->height); + rows = bmpheader->height>>3; + cols = bmpheader->width>>3; + remaining=0x00; + amount_remaining=0x00; + Ydcvalue = 0x00; + Crdcvalue = 0x00; + Cbdcvalue = 0x00; + writejpegheader(outfile,bmpheader); + + for (row = 0; row < rows; row++) { + for (col = 0; col < cols; col++) { + readbmpfile(infile,pixelmatrix,row,col,bmpheader); + RGB2YCrCb(pixelmatrix,YMatrix,CrMatrix,CbMatrix); + for(component=0;component<3;component++) + { + switch (component) { + case 0 ://Y-encoding + dct(YMatrix,dctresult); + zzq(dctresult,bitstream,compression,encode); + Ydcvalue = EncodeDataUnit(bitstream,Ydcvalue,outfile, &remaining, &amount_remaining,component); + break; + case 1 ://Cr-encoding + dct(CrMatrix,dctresult); + zzq(dctresult,bitstream,compression,encode); + Crdcvalue = EncodeDataUnit(bitstream,Crdcvalue,outfile, &remaining, &amount_remaining,component); + break; + case 2 ://Cb-encoding + dct(CbMatrix,dctresult); + zzq(dctresult,bitstream,compression,encode); + Cbdcvalue = EncodeDataUnit(bitstream,Cbdcvalue,outfile, &remaining, &amount_remaining,component); + break; + } + } + } + } + HuffmanEncodeFinishSend(&remaining,&amount_remaining,outfile); + printf("\nProcessed %d %dx%d-blocks.",(row-1)*cols+col,MATRIX_SIZE,MATRIX_SIZE); + //write JPEG footer + writejpegfooter(outfile); + + } + else { + printf("\n%s is not a valid BMP-file",argv[1]); + } + + } else { //decode infile to BMP + + // readjpegfile(infile,inputbuffer); + // huffmancodec(inputbuffer,bitstream,encode); + // zzq(pixelmatrix,bitstream,compression,encode); + // DCT(dctmatrix,outputbuffer,encode); + // writebmp(outputbuffer);*/ + } + + fclose(outfile); + fclose(infile); + /* infile = fopen("test.jpg","rb"); + outfile = fopen("header.h","wb"); + fread(header,389,1,infile); + for(i=0;i<389;i++) + fprintf(outfile,"0x%x, ",header[i]); + fclose(outfile); + fclose(infile); */ +#ifndef __MICROBLAZE + QueryPerformanceCounter(&en); + printf("\nExecution time: %f seconds",(double)(en.QuadPart-st.QuadPart)/1000000); +#endif + // free(bmpheader); + } + printf("\n\nHit ENTER to close this window."); + getchar(); + return 0; +} +//--------------------------------------------------------------------------- + +#endif + Index: xup2pro.h =================================================================== --- xup2pro.h (nonexistent) +++ xup2pro.h (revision 66) @@ -0,0 +1,50 @@ +#ifndef _XUP2PRO_H +#define _XUP2PRO_H + +// Microblaze related declaration + +#include +#include + +#include "xio.h" + +#define __XUPV2P + + +// XUP2P board related declaration + +#ifdef __XUPV2P +#define JPG_ADDRESS 0x70000000 +#define JPG_MAXSIZE 0x10000 +#define BMP_ADDRESS 0x70010000 +#define BMP_MAXSIZE 0x10000 +#else +#define JPG_MAXSIZE 0x400000 +#define BMP_MAXSIZE 0x1c00000 +#endif + +// JPEG decoder related declaration + +extern unsigned char* jpgimage; +extern char* bmpimage; +extern unsigned long jpgsize; +extern int bmpsize; + +// function declaration + +#define eOPENINPUT_FILE 1 +#define eOPENOUTPUT_FILE 2 +#define eINVALID_BMP 3 +#define eLARGE_INPUTFILE 4 + +#ifndef htonl +#define htonl(x) ((((x)&0xff000000)>>24) | (((x)&0x00ff0000)>>8) | (((x)&0x0000ff00)<<8) | (((x)&0x000000ff)<<24)) +#endif + +#ifndef hton +#define hton(x) ((((x) & 0xff00)>>8) | (((x) &0x00ff)<<8)) +#endif + +#endif + + Index: zzq.c =================================================================== --- zzq.c (nonexistent) +++ zzq.c (revision 66) @@ -0,0 +1,94 @@ +//--------------------------------------------------------------------------- +#include +#include "zzq.h" +#pragma hdrstop +//--------------------------------------------------------------------------- +#pragma argsused + +static unsigned char quantization_table[MATRIX_SIZE][MATRIX_SIZE] ={ + {4, 3, 3, 4, 4, 5, 6, 6}, + {3, 3, 4, 4, 5, 6, 6, 6}, + {4, 4, 4, 4, 5, 6, 6, 6}, + {4, 4, 4, 5, 6, 6, 6, 6}, + {4, 4, 5, 6, 6, 7, 7, 6}, + {4, 5, 6, 6, 6, 7, 7, 6}, + {6, 6, 6, 6, 7, 7, 7, 7}, + {6, 6, 6, 7, 7, 7, 7, 7} + }; + +//static int __count3=0; + +void zzq(signed short pixelmatrix[MATRIX_SIZE][MATRIX_SIZE], signed char *bitstream, int compression, int encode) +{ + int i, x, y, jumped, deltax, deltay; + + x = y = deltax = deltay = jumped = 0; + // printf("\nZigZag order pixelmatrix:\n\n"); + for(i=0;i0) + bitstream[i] = (pixelmatrix[y][x]>>quantization_table[y][x]); + else + bitstream[i] = -((-pixelmatrix[y][x])>>quantization_table[y][x]); + // printf("%i ",bitstream[i]); +#if 0 + #ifdef __MICROBLAZE + if (__count3<256*3) { + xil_printf("%x ", bitstream[i]); + __count3++; + if ((__count3&0x0f)==0) xil_printf("\r\n"); + } +#else + if (__count3<256*3) { + printf(" %x ", bitstream[i]); + __count3++; + if ((__count3&0x0f)==0) printf("\r\n"); + } +#endif +#endif + } + + if((y == 0) || (y == MATRIX_SIZE-1)) { //on top or bottom side of matrix + if(!jumped) { //first jump to element on the right + x++; + jumped = 1; + } else { //modify direction + if(i<(NUMBER_OF_PIXELS>>1)) { + deltax = -1; + deltay = 1; + } else { + deltax = 1; + deltay = -1; + } + x += deltax; + y += deltay; + jumped = 0; + } + } else if ((x == 0) || (x == MATRIX_SIZE-1)) { //on left or right side of matrix + if(!jumped) { //jump to element below + y++; + jumped = 1; + } else { //modify direction + if(i<(NUMBER_OF_PIXELS>>1)) { + deltax = 1; + deltay = -1; + } else { + deltax = -1; + deltay = 1; + } + x += deltax; + y += deltay; + jumped = 0; + } + } + else {//not on the edges of the matrix + x += deltax; + y += deltay; + } + } +} +//--------------------------------------------------------------------------- + Index: io.c =================================================================== --- io.c (nonexistent) +++ io.c (revision 66) @@ -0,0 +1,374 @@ +//--------------------------------------------------------------------------- +#include +#ifdef __MICROBLAZE +#include "xup2pro.h" +#endif + +#include "io.h" +#pragma hdrstop +//--------------------------------------------------------------------------- +#pragma argsused + +JPEGHEADER _jpegheader; + +unsigned char qtable[64] = {16, 8, 8, 16, 12, 8, 16, 16, 16, 16, 16, 16, 16, 16, +16, 32, 32, 16, 16, 16, 16, 32, 32, 32, 32, 32, 64, 64, 64, 64, 64, 64, 64, 64, 64, +64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 128, 64, 64, 128, 128, 128, 128, 128, 64, 64, +128, 128, 128, 128, 128, 64, 128, 128, 128}; + +unsigned char huffmancount[4][16] = {{0x00,0x01,0x05,0x01,0x01,0x01,0x01,0x01,0x01,0x00,0x00,0x00,0x00,0x00,0x00,0x00}, //standard DC table count + {0x00,0x02,0x01,0x03,0x03,0x02,0x04,0x03,0x05,0x05,0x04,0x04,0x00,0x00,0x01,0x7D}, //standard AC table count + {0x00,0x01,0x05,0x01,0x01,0x01,0x01,0x01,0x01,0x00,0x00,0x00,0x00,0x00,0x00,0x00}, //standard DC table count + {0x00,0x02,0x01,0x03,0x03,0x02,0x04,0x03,0x05,0x05,0x04,0x04,0x00,0x00,0x01,0x7D}}; //standard AC table count + +unsigned char huffDCvalues[12] ={0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0a, 0x0b};// {0x00, 0x02, 0x03, 0x04, 0x05, 0x06, 0x0E, 0x0E, 0x0E, 0x0E, 0x0E, 0x0E}; +unsigned char huffACvalues[162] = {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}; + + //old huffman table, and propably a incorrect one. + /*{0x00, 0x01, 0x04, 0x0A, 0x0B, 0x0C, 0x1A, 0x1B, 0x1C, 0x3A, 0x3B, 0x78, 0x79, 0x7A, 0x7B, 0xF8, 0xF9, 0xFA, 0xF6, + 0xF7, 0xF8, 0xF9, 0xFA, 0xF6, 0xF7, 0xF8, 0xF9, 0xFA, 0xF6, 0xF7, 0xF8, 0xF9, 0xF4, 0xF5, 0xF6, 0xF7, 0xC0, 0x82, + 0x83, 0x84, 0x85, 0x86, 0x87, 0x88, 0x89, 0x8A, 0x8B, 0x8C, 0x8D, 0x8E, 0x8F, 0x90, 0x91, 0x92, 0x93, 0x94, 0x95, + 0x96, 0x97, 0x98, 0x99, 0x9A, 0x9B, 0x9C, 0x9D, 0x9E, 0x9F, 0xA0, 0xA1, 0xA2, 0xA3, 0xA4, 0xA5, 0xA6, 0xA7, 0xA8, + 0xA9, 0xAA, 0xAB, 0xAC, 0xAD, 0xAE, 0xAF, 0xB0, 0xB1, 0xB2, 0xB3, 0xB4, 0xB5, 0xB6, 0xB7, 0xB8, 0xB9, 0xBA, 0xBB, + 0xBC, 0xBD, 0xBE, 0xBF, 0xC0, 0xC1, 0xC2, 0xC3, 0xC4, 0xC5, 0xC6, 0xC7, 0xC8, 0xC9, 0xCA, 0xCB, 0xCC, 0xCD, 0xCE, + 0xCF, 0xD0, 0xD1, 0xD2, 0xD3, 0xD4, 0xD5, 0xD6, 0xD7, 0xD8, 0xD9, 0xDA, 0xDB, 0xDC, 0xDD, 0xDE, 0xDF, 0xE0, 0xE1, + 0xE2, 0xE3, 0xE4, 0xE5, 0xE6, 0xE7, 0xE8, 0xE9, 0xEA, 0xEB, 0xEC, 0xED, 0xEE, 0xEF, 0xF0, 0xF1, 0xF2, 0xF3, 0xF4, + 0xF5, 0xF6, 0xF7, 0xF8, 0xF9, 0xFA, 0xFB, 0xFC, 0xFD, 0xFE};*/ + +int getbmpheader(FILE * file, INFOHEADER *header) +{ + int retval; +#ifdef __MICROBLAZE + +// sysace_fread(header, 1, 14, file); +// retval = sysace_fread(header, 1, sizeof(INFOHEADER), file); + + memcpy(header, bmpimage+14, sizeof(INFOHEADER)); + + header->size = htonl(header->size); + header->width = htonl(header->width); + header->height = htonl(header->height); + header->planes = hton(header->planes); + header->bits = hton(header->bits); + header->compression = htonl(header->compression); + header->imagesize = htonl(header->imagesize); + header->xresolution = htonl(header->xresolution); + header->yresolution= htonl(header->yresolution); + header->ncolours= htonl(header->ncolours); + header->importantcolours= htonl(header->importantcolours); + + return 1; + +#else + fseek(file,14,SEEK_SET); + retval = fread(header, sizeof(INFOHEADER), 1, file); +#endif + + return retval; +} + /* +int getjpegheader(FILE * file, JPEGHEADER *header) +{ + unsigned int retval; + + return retval; +} + +void writebmpheader(FILE * file, BMPHEADER *header) +{ + //write header + + //fill file with 0's + fwrite(0, 1, header->info.width*header->info.height, file); +} +*/ +void writejpegheader(FILE * file, INFOHEADER *header) +{ + JPEGHEADER *jpegheader; + unsigned int headersize, huffmantablesize, previoussize; + unsigned char QTcount, i, j, components, id, huffmantablecount; + unsigned short length, headerlength; + + //Number of Quatization Tables + QTcount = 2; + headerlength = 12; //12 bytes are needed for the markers + huffmantablecount = 4; // // 2 AC and 2 DC tables + huffmantablesize = 0; + jpegheader = &_jpegheader;//(JPEGHEADER *)malloc(550); + + jpegheader->SOIMarker[0] = 0xff; + jpegheader->SOIMarker[1] = 0xd8; + + //APP0 segment + jpegheader->app0.APP0Marker[0] = 0xff; + jpegheader->app0.APP0Marker[1] = 0xe0; + + headerlength += 16; //APP0 marker is always 16 bytes long + jpegheader->app0.Length[0] = 0x00; + jpegheader->app0.Length[1] = 0x10; + jpegheader->app0.Identifier[0] = 0x4a; + jpegheader->app0.Identifier[1] = 0x46; + jpegheader->app0.Identifier[2] = 0x49; + jpegheader->app0.Identifier[3] = 0x46; + jpegheader->app0.Identifier[4] = 0x00; + jpegheader->app0.Version[0] = 0x01; + jpegheader->app0.Version[1] = 0x00; + jpegheader->app0.Units = 0x00; + jpegheader->app0.XDensity[0] = 0x00; + jpegheader->app0.XDensity[1] = 0x01; + jpegheader->app0.YDensity[0] = 0x00; + jpegheader->app0.YDensity[1] = 0x01; + jpegheader->app0.ThumbWidth = 0x00; + jpegheader->app0.ThumbHeight = 0x00; + + //Quantization Table Segment + jpegheader->qt.QTMarker[0] = 0xff; + jpegheader->qt.QTMarker[1] = 0xdb; + length = (QTcount<<6) + QTcount + 2; + headerlength += length; + jpegheader->qt.Length[0] = (length & 0xff00)>>8; + jpegheader->qt.Length[1] = length & 0xff; + // jpegheader->qt.QTInfo = 0x00; // index = 0, precision = 0 + //write Quantization table to header + i = 0; + /* jpegheader->qt.QTInfo[0] = 0; + for(i=0;i<64;i++) { + jpegheader->qt.QTInfo[i+1] = qtable[i]; + } + jpegheader->qt.QTInfo[65] = 1; + for(i=0;i<64;i++) { + jpegheader->qt.QTInfo[i+66] = qtable[i]; + } */ + for (id=0; idqt.QTInfo[(id<<6)+id] = id; + for(i=0;i<64;i++) { + jpegheader->qt.QTInfo[i+1+id+(id<<6)] = qtable[i]; + } + } + + //Start of Frame segment + jpegheader->sof0.SOF0Marker[0] = 0xff; + jpegheader->sof0.SOF0Marker[1] = 0xc0; + if(header->bits == 8) { + components = 0x01; + } + else { + components = 0x03; + } + length = 8 + 3*components; + headerlength += length; + jpegheader->sof0.Length[0] = (length & 0xff00) >> 8; + jpegheader->sof0.Length[1] = length & 0xff; + jpegheader->sof0.DataPrecision = 0x08; + jpegheader->sof0.ImageHeight[0] = (header->height & 0xff00) >> 8; + jpegheader->sof0.ImageHeight[1] = header->height & 0xff; + jpegheader->sof0.ImageWidth[0] = (header->width & 0xff00) >> 8; + jpegheader->sof0.ImageWidth[1] = header->width & 0xff; +#ifdef __MICROBLAZE + xil_printf("--->%d %d %d %d\r\n", jpegheader->sof0.ImageHeight[0], jpegheader->sof0.ImageHeight[1], jpegheader->sof0.ImageWidth[0], jpegheader->sof0.ImageWidth[1]); +#else + printf("--->%d %d %d %d\r\n", jpegheader->sof0.ImageHeight[0], jpegheader->sof0.ImageHeight[1], jpegheader->sof0.ImageWidth[0], jpegheader->sof0.ImageWidth[1]); +#endif + jpegheader->sof0.Components = components; + for (i=0; i < components; i++) { + jpegheader->sof0.ComponentInfo[i][0] = i+1; //color component + jpegheader->sof0.ComponentInfo[i][1] = 0x11; //no sampling has been done + jpegheader->sof0.ComponentInfo[i][2] = (i==0)? 0x00 : 0x01; //quantization table ID + } + //Start of Huffman Table Segment + + jpegheader->ht.HTMarker[0] = 0xff; + jpegheader->ht.HTMarker[1] = 0xc4; + + //Set dummy HT segment length + length = 0;//tablecount*17; + jpegheader->ht.Length[0] = (length & 0xff00) >> 8; + jpegheader->ht.Length[1] = length & 0xff; + previoussize = 0; + for (id=0; id < huffmantablecount; id++) { + huffmantablesize = 0; + switch (id) { + case 0 : jpegheader->ht.HuffmanInfo[previoussize] = 0x00; + break; + case 1 : jpegheader->ht.HuffmanInfo[previoussize] = 0x10; + break; + case 2 : jpegheader->ht.HuffmanInfo[previoussize] = 0x01; + break; + case 3 : jpegheader->ht.HuffmanInfo[previoussize] = 0x11; + break; + } + for (i=1; i <= 16; i++) { + jpegheader->ht.HuffmanInfo[i+previoussize] = huffmancount[id][i-1]; + huffmantablesize += huffmancount[id][i-1]; + } + + for (i=0; i < huffmantablesize; i++) { + jpegheader->ht.HuffmanInfo[i+previoussize+17] = (id%2 == 1)? huffACvalues[i] : huffDCvalues[i]; + } + previoussize += huffmantablesize + 17; + } + //Set real HT segment length + length = 2+previoussize; + headerlength += length; + jpegheader->ht.Length[0] = (length & 0xff00) >> 8; + jpegheader->ht.Length[1] = length & 0xff; + //Reset marker segment + /* jpegheader->dri.DRIMarker[0] = 0xff; + jpegheader->dri.DRIMarker[1] = 0xdd; + jpegheader->dri.Length[0] = 0x00; + jpegheader->dri.Length[1] = 0x04; + jpegheader->dri.RestartInteral[0] = 0x00; //no restart markers + jpegheader->dri.RestartInteral[1] = 0x00; //no restart markers + headerlength += 6; //length of DRI segment + */ + //Start of Scan Header Segment + jpegheader->sos.SOSMarker[0] = 0xff; + jpegheader->sos.SOSMarker[1] = 0xda; + length = 6 + (components<<1); + headerlength += length; + jpegheader->sos.Length[0] = (length & 0xff00) >> 8; + jpegheader->sos.Length[1] = length & 0xff; + jpegheader->sos.ComponentCount = components; //number of color components in the image + jpegheader->sos.Component[0][0] = 0x01; //Y component + jpegheader->sos.Component[0][1] = 0x00; //indexes of huffman tables for Y-component + if (components == 0x03) { + jpegheader->sos.Component[1][0] = 0x02; //the CB component + jpegheader->sos.Component[1][1] = 0x11; //indexes of huffman tables for CB-component + jpegheader->sos.Component[2][0] = 0x03; //The CR component + jpegheader->sos.Component[2][1] = 0x11; //indexes of huffman tables for CR-component + } + //following bytes are ignored since progressive scan is not to be implemented + jpegheader->sos.Ignore[0] = 0x00; + jpegheader->sos.Ignore[1] = 0x3f; + jpegheader->sos.Ignore[2] = 0x00; + +#ifdef __MICROBLAZE + sysace_fwrite(jpegheader, 1, headerlength, file); + xil_printf("jpeg header size %x\r\n", headerlength); +#else + fwrite(jpegheader,headerlength,1,file); + printf("jpeg header size %x\r\n", headerlength); +#endif + +} + +void writejpegfooter(FILE * file) +{ + unsigned char footer[2]; + footer[0] = 0xff; + footer[1] = 0xd9; +#ifdef __MICROBLAZE + sysace_fwrite(footer, 1, sizeof(footer), file); +#else +// fseek(file,0,SEEK_END); + fwrite(footer,sizeof(footer),1,file); +#endif +} + +static unsigned char buffer[MATRIX_SIZE*3]; +static int __count2=0; + +void readbmpfile(FILE * file, signed char pixelmatrix[MATRIX_SIZE][MATRIX_SIZE*3], unsigned int mrow, unsigned int mcol, INFOHEADER * header) +{ + unsigned int row, col; + int offset; + + for(row = 0;row < MATRIX_SIZE; row++) { + //Find first point of row in the matrix to be read. +#ifdef __MICROBLAZE +// sysace_fread(buffer, 1, MATRIX_SIZE*3, file); + offset = bmpsize-3*header->width*(row + 1 + mrow*MATRIX_SIZE)+MATRIX_SIZE*3*mcol; + memcpy(buffer, bmpimage + offset, MATRIX_SIZE*3); +#else + fseek(file,-(3*header->width*(row + 1 + mrow*MATRIX_SIZE)-(MATRIX_SIZE*3)*mcol),SEEK_END); + //Read row from matrix + fread(buffer, 1, MATRIX_SIZE*3, file); + //copy row into pixelmatrix +#endif + for(col = 0; col < MATRIX_SIZE*3; col++) { + pixelmatrix[row][col] = buffer[col]- 128; +#if 0 +#ifdef __MICROBLAZE + if (__count2<4*24*8) { + xil_printf("%x ", pixelmatrix[row][col]); + __count2++; + if ((__count2&0x0f)==0) xil_printf("\r\n"); + } +#else + if (__count2<4*24*8) { + printf(" %x ", pixelmatrix[row][col]); + __count2++; + if ((__count2&0x0f)==0) printf("\r\n"); + } +#endif +#endif + } + } + } +/*USED VALUES OF ROY's CODE THIS MIGHT LEAD TO PROBLEMS*/ +signed char RGB2Y (int r, int g, int b) { + return ((66*r + 129*g + 25*b + 128)>>8)+128; +} +/*USED VALUES OF ROY's CODE THIS MIGHT LEAD TO PROBLEMS*/ +signed char RGB2Cr (int r, int g, int b) { + return ((-38*r - 74*g + 112*b + 128)>>8)+128; +} +/*USED VALUES OF ROY's CODE THIS MIGHT LEAD TO PROBLEMS*/ +signed char RGB2Cb (int r, int g, int b) { + return ((112*r - 94*g - 18*b + 128)>>8)+128; +} + +static int __count1=120; + +void RGB2YCrCb(signed char pixelmatrix[MATRIX_SIZE][MATRIX_SIZE*3],signed char YMatrix[MATRIX_SIZE][MATRIX_SIZE],signed char CrMatrix[MATRIX_SIZE][MATRIX_SIZE],signed char CbMatrix[MATRIX_SIZE][MATRIX_SIZE]) +{ + unsigned int row, col; + for(row = 0;row < MATRIX_SIZE; row++) { + for(col = 0; col < MATRIX_SIZE; col++) { + YMatrix[row][col] = RGB2Y(pixelmatrix[row][col*3+2],pixelmatrix[row][col*3+1],pixelmatrix[row][col*3]) - 128; + CrMatrix[row][col] = RGB2Cr(pixelmatrix[row][col*3+2],pixelmatrix[row][col*3+1],pixelmatrix[row][col*3]) - 128; + CbMatrix[row][col] = RGB2Cb(pixelmatrix[row][col*3+2],pixelmatrix[row][col*3+1],pixelmatrix[row][col*3]) - 128; +#if 0 +#ifdef __MICROBLAZE + if (__count1<64) { + xil_printf("-------------->%x %x %x\r\n", YMatrix[row][col], CrMatrix[row][col], CbMatrix[row][col]); + __count1++; + } +#else + if (__count1<64) { + printf("-------------->%x %x %x\r\n", YMatrix[row][col], CrMatrix[row][col], CbMatrix[row][col]); + __count1++; + } +#endif +#endif + } + } +} +/* +void readjpegfile(FILE * file, unsigned char bitstream[]) +{ +} + + +void writebmpfile(FILE * file, unsigned char pixelmatrix[MATRIX_SIZE][MATRIX_SIZE], unsigned int mrow, unsigned int mcol, unsigned int width) +{ + unsigned int row; + for(row = 0;row < MATRIX_SIZE; row++) { + //Find first point of row in the matrix to be read. + fseek(file,-(width*(row + 1 + mrow*MATRIX_SIZE)-(MATRIX_SIZE*mcol)),SEEK_END); + //Read row from matrix + fwrite(pixelmatrix[row], 1, MATRIX_SIZE, file); + } +} + +void writejpegfile(FILE * file, unsigned char bitstream[]) +{ +} */ Index: huffman.h =================================================================== --- huffman.h (nonexistent) +++ huffman.h (revision 66) @@ -0,0 +1,11 @@ +#ifndef _HUFFMAN_H +#define _HUFFMAN_H 1 + +char EncodeDataUnit(char dataunit[NUMBER_OF_PIXELS], char last_dc_value, FILE* file, unsigned int *remaining, unsigned char *amount_remaining, unsigned int component); + +void HuffmanEncodeFinishSend(unsigned int *remaining,unsigned char *amount_remaining, FILE* file); + +#else +#error "ERROR file huffman.h multiple times included" +#endif /* --- _HUFFMAN_H --- */ + Index: types.h =================================================================== --- types.h (nonexistent) +++ types.h (revision 66) @@ -0,0 +1,10 @@ +typedef union { /* block of pixel-space values */ + unsigned char block[8][8]; + unsigned char linear[64]; +} PBlock; + +typedef union { /* block of frequency-space values */ + int block[8][8]; + int linear[64]; +} FBlock; + \ No newline at end of file Index: zzq.h =================================================================== --- zzq.h (nonexistent) +++ zzq.h (revision 66) @@ -0,0 +1,18 @@ +#ifndef _ZZQ_H +#define _ZZQ_H 1 + +#define MATRIX_SIZE 8 +#define NUMBER_OF_PIXELS MATRIX_SIZE*MATRIX_SIZE + + + + +/* + * ZigZag order the pixelmatrix and quantify its values, if endode == 0 the + * inverse operation will be caried out. + */ +void zzq(signed short pixelmatrix[MATRIX_SIZE][MATRIX_SIZE], signed char *bitstream, int compression, int encode); +#else +#error "ERROR file zzq.h multiple times included" +#endif /* --- _ZZQ_H --- */ + Index: dct.c =================================================================== --- dct.c (nonexistent) +++ dct.c (revision 66) @@ -0,0 +1,144 @@ + +#include +#include "dct.h" +#include "weights.h" + + +/* + Function Name: dct + + Operation: Find the 8x8 DCT of an array using separable DCT + First, finds 1-d DCT along rows, storing the result in inter[][] + Then, 1-d DCT along columns of inter[][] is found + + Input: pixels is the 8x8 input array + + Output: dct is the 8x8 output array +*/ +signed int max_val = 0; +static int __count=0; + +void dct(signed char pixels[8][8], signed short dct[8][8]) +{ + FILE * file; + int inr, inc; /* rows and columns of input image */ + int intr, intc; /* rows and columns of intermediate image */ + int outr, outc; /* rows and columns of dct */ + int f_val; /* cumulative sum */ + int inter[8][8]; /* stores intermediate result */ + int i,j,k; + k=0; + // file = fopen("weights.h","w+"); + // fprintf(file,"double weights1[512] = {"); + /* find 1-d dct along rows */ +#if 0 + +#ifdef __MICROBLAZE + if (__count<4) { + for (i=0; i<8; i++) + for (j=0; j<8; j++) + xil_printf("%x ", pixels[i][j]); + xil_printf("\r\n"); + } +#else + if (__count<4) { + for (i=0; i<8; i++) + for (j=0; j<8; j++) + printf(" %x ", pixels[i][j]); + printf("\r\n"); + } +#endif +#endif + + for (intr=0; intr<8; intr++) + for (intc=0; intc<8; intc++) { + for (i=0,f_val=0; i<8; i++) { + + f_val += (pixels[intr][i]* weights[k]);//cos((double)(2*i+1)*(double)intc*PI/16); + k++; + // fprintf(file, "\n%.0f,",cos((double)(2*i+1)*(double)intc*PI/16)*16384); + } + if (intc!=0) + inter[intr][intc] = f_val>>15; + else + inter[intr][intc] = (11585*(f_val>>14))>>15; + + } + // fprintf(file,"\n};"); + // fclose(file); + k=0; + /* find 1-d dct along columns */ + for (outc=0; outc<8; outc++) + for (outr=0; outr<8; outr++) { + for (i=0,f_val=0; i<8; i++) { + f_val += (inter[i][outc] *weights[k]); + k++; + } + if (outr!=0) + dct[outr][outc] = f_val>>15; + else + dct[outr][outc] = (11585*(f_val>>14)>>15); + } +#if 0 +#ifdef __MICROBLAZE + if (__count<4) { + for (i=0; i<8; i++) + for (j=0; j<8; j++) + xil_printf("%x ", dct[i][j]); + xil_printf("\r\n"); + __count++; + } +#else + if (__count<4) { + for (i=0; i<8; i++) + for (j=0; j<8; j++) + printf(" %x ", dct[i][j]); + printf("\r\n"); + __count++; + } +#endif +#endif + +} + +/***************************************************************** + UNCOMMENT THIS SECTION TO TEST 2D DCT +*****************************************************************/ + +/* +main() +{ + + unsigned char inputmatrix[8][8]; + unsigned char outputmatrix[8][8]; + unsigned int i,j; + + + printf("Input Matrix (8*8) :-\n"); + for (i=0; i<8; i++){ + printf("\n"); + for (j=0;j<8;j++){ + inputmatrix[i][j] = i*8+j; + printf("%4d",inputmatrix[i][j]); + } + + } + + + + dct(inputmatrix,outputmatrix); + + printf("\n\nOutput Matrix (8*8) :-\n"); + + for (i=0; i<8; i++){ + printf("\n"); + for (j=0;j<8;j++){ + printf("%4d",outputmatrix[i][j]); + + } + + } +printf("\n"); + +} +*/ Index: io.h =================================================================== --- io.h (nonexistent) +++ io.h (revision 66) @@ -0,0 +1,136 @@ +#ifndef _IO_H +#define _IO_H 1 +#define MATRIX_SIZE 8 +typedef struct { + unsigned int size; /* Header size in bytes */ + int width,height; /* Width and height of image */ + unsigned short int planes; /* Number of colour planes */ + unsigned short int bits; /* Bits per pixel */ + unsigned int compression; /* Compression type */ + unsigned int imagesize; /* Image size in bytes */ + int xresolution,yresolution; /* Pixels per meter */ + unsigned int ncolours; /* Number of colours */ + unsigned int importantcolours; /* Important colours */ + unsigned char palette[1024]; /* Storage for palette */ +} INFOHEADER; + +typedef struct { + int restofheader; //TODO + INFOHEADER info; /* Information header */ +} BMPHEADER; + +typedef struct { + unsigned int row; /* Width and height of image */ + unsigned int col; /* Width and height of image */ +} BLOCKINFO; + +typedef struct { + unsigned char QTMarker[2]; + unsigned char Length[2]; + unsigned char QTInfo[130]; //bit 0..3: number of QT (0..3, otherwise error) + // bit 4..7: precision of QT, 0 = 8 bit, otherwise 16 bit + // unsigned char ValuesQT[]; //max 192 values. 64*(precision+1) bytes +} QTINFO; + +typedef struct { + unsigned char HTMarker[2]; + unsigned char Length[2]; + unsigned char HuffmanInfo[416]; //Array containing ALL huffman information + //For each color component holds: + //First byte is used as info byte, followed by 16 bytes with values used + //for counting the different huffman codes, finally the corresponding + //huffman codes will follow. This sequence can repeat it self for + //different Huffman tables, both DC or AC tables. + + //The structure of the information byte is as follows: + //bit 0..3 : number of HT (0..3, otherwise error) + //bit 4 : type of HT, 0 = DC table, 1 = AC table + //bit 5..7 : not used, must be 0 (Used for progressive scan JPEG) +} HTINFO; + + +typedef struct { + unsigned char APP0Marker[2]; + unsigned char Length[2]; + unsigned char Identifier[5]; + unsigned char Version[2]; + unsigned char Units; + unsigned char XDensity[2]; + unsigned char YDensity[2]; + unsigned char ThumbWidth; + unsigned char ThumbHeight; +} APP0INFO; + +typedef struct { + unsigned char SOF0Marker[2]; + unsigned char Length[2]; + unsigned char DataPrecision; //This is in bits/sample, usually 8 (12 and 16 not supported by most software). + unsigned char ImageHeight[2]; + unsigned char ImageWidth[2]; + unsigned char Components; //Usually 1 = grey scaled, 3 = color YcbCr or YIQ 4 = color CMYK + unsigned char ComponentInfo[3][3]; //Read each component data of 3 bytes. It contains, + //(component Id(1byte)(1 = Y, 2 = Cb, 3 = Cr, 4 = I, 5 = Q), + //sampling factors (1byte) (bit 0-3 vertical., 4-7 horizontal.), + //quantization table number (1 byte)). +} SOF0INFO; + +typedef struct { + unsigned char SOSMarker[2]; + unsigned char Length[2]; //This must be equal to 6+2*(number of components in scan). + unsigned char ComponentCount; //This must be >= 1 and <=4 (otherwise error), usually 1 or 3 + unsigned char Component[3][2]; // For each component, read 2 bytes. It contains, + //1 byte Component Id (1=Y, 2=Cb, 3=Cr, 4=I, 5=Q), + //1 byte Huffman table to use : + //bit 0..3 : AC table (0..3) + //bit 4..7 : DC table (0..3) + unsigned char Ignore[3]; //We have to skip 3 bytes +} SOSINFO; + +typedef struct { + unsigned char DRIMarker[2]; + unsigned char Length[2]; + unsigned char RestartInteral[2]; // Interval of the restart markers +} DRIINFO; + +typedef struct { + unsigned char SOIMarker[2]; //Start of image marker + APP0INFO app0; + QTINFO qt; + SOF0INFO sof0; + HTINFO ht; +// DRIINFO dri; + SOSINFO sos; +} JPEGHEADER; + +/* + * Read BMP header and return it in header, for now only the width and height + * are returned, since the other values are of no use. + */ +int getbmpheader(FILE * file, INFOHEADER *header); + +int getjpegheader(FILE * file, JPEGHEADER *header); + +void writebmpheader(FILE * file, BMPHEADER *header); + +void writejpegheader(FILE * file, INFOHEADER *header); + +void writejpegfooter(FILE * file); + +/* + * Read BMP to retrieve 8*8 block starting at horizontal position mcol*8, and + * vertical position mrow*8 in the image. This block is returned in pixelmatrix. + * + */ +void readbmpfile(FILE * file, signed char pixelmatrix[MATRIX_SIZE][MATRIX_SIZE*3], unsigned int mrow, unsigned int mcol, INFOHEADER * header); + +void RGB2YCrCb(signed char pixelmatrix[MATRIX_SIZE][MATRIX_SIZE*3],signed char YMatrix[MATRIX_SIZE][MATRIX_SIZE],signed char CrMatrix[MATRIX_SIZE][MATRIX_SIZE],signed char CbMatrix[MATRIX_SIZE][MATRIX_SIZE]); + +void readjpegfile(FILE * file, unsigned char bitstream[]); + +void writebmpfile(FILE * file, unsigned char pixelmatrix[MATRIX_SIZE][MATRIX_SIZE], unsigned int mrow, unsigned int mcol, unsigned int width); + +void writejpegfile(FILE * file, unsigned char bitstream[]); +#else +#error "ERROR file io.h multiple times included" +#endif /* --- _IO_H --- */ + Index: header.h =================================================================== --- header.h (nonexistent) +++ header.h (revision 66) @@ -0,0 +1 @@ +0xff, 0xd8, 0xff, 0xe0, 0x0, 0x10, 0x4a, 0x46, 0x49, 0x46, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x0, 0x1, 0x0, 0x0, 0xff, 0xdb, 0x0, 0x84, 0x0, 0x10, 0x8, 0x8, 0x10, 0xc, 0x8, 0x10, 0x10, 0x10, 0x10, 0x10, 0x10, 0x10, 0x10, 0x10, 0x20, 0x20, 0x10, 0x10, 0x10, 0x10, 0x20, 0x20, 0x20, 0x20, 0x20, 0x40, 0x40, 0x40, 0x40, 0x40, 0x40, 0x40, 0x40, 0x40, 0x40, 0x40, 0x40, 0x40, 0x40, 0x40, 0x40, 0x40, 0x40, 0x40, 0x80, 0x40, 0x40, 0x80, 0x80, 0x80, 0x80, 0x80, 0x40, 0x40, 0x80, 0x80, 0x80, 0x80, 0x80, 0x40, 0x80, 0x80, 0x80, 0x1, 0x10, 0x8, 0x8, 0x10, 0xc, 0x8, 0x10, 0x10, 0x10, 0x10, 0x10, 0x10, 0x10, 0x10, 0x10, 0x20, 0x20, 0x10, 0x10, 0x10, 0x10, 0x20, 0x20, 0x20, 0x20, 0x20, 0x40, 0x40, 0x40, 0x40, 0x40, 0x40, 0x40, 0x40, 0x40, 0x40, 0x40, 0x40, 0x40, 0x40, 0x40, 0x40, 0x40, 0x40, 0x40, 0x80, 0x40, 0x40, 0x80, 0x80, 0x80, 0x80, 0x80, 0x40, 0x40, 0x80, 0x80, 0x80, 0x80, 0x80, 0x40, 0x80, 0x80, 0x80, 0xff, 0xc0, 0x0, 0xb, 0x8, 0x1, 0x20, 0x1, 0xb0, 0x1, 0x1, 0x11, 0x0, 0xff, 0xc4, 0x0, 0xd2, 0x0, 0x0, 0x1, 0x5, 0x1, 0x1, 0x1, 0x1, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x2, 0x3, 0x4, 0x5, 0x6, 0x7, 0x8, 0x9, 0xa, 0xb, 0x10, 0x0, 0x2, 0x1, 0x3, 0x3, 0x2, 0x4, 0x3, 0x5, 0x5, 0x4, 0x4, 0x0, 0x0, 0x1, 0x7d, 0x1, 0x2, 0x3, 0x0, 0x4, 0x11, 0x5, 0x12, 0x21, 0x31, 0x41, 0x6, 0x13, 0x51, 0x61, 0x7, 0x22, 0x71, 0x14, 0x32, 0x81, 0x91, 0xa1, 0x8, 0x23, 0x42, 0xb1, 0xc1, 0x15, 0x52, 0xd1, 0xf0, 0x24, 0x33, 0x62, 0x72, 0x82, 0x9, 0xa, 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, 0xff, 0xda, 0x0, 0x8, 0x1, 0x1, 0x0, 0x0, 0x3f, 0x0, \ No newline at end of file

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