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C:/Active/libraries/cxutils/2.0/src/cxutils/images/jpeg/jpeg.cpp File Reference

This file contains methods for compression and decompression of JPEG data. More...

#include "cxutils/images/jpeg/jpeg.h"
#include "cxutils/packet.h"
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <assert.h>
#include "linux/jpeglib.h"
#include <setjmp.h>

Go to the source code of this file.

Classes

struct  CxUtils::JPEG::InputSource
 Input source for JPEG decompression manager. More...
struct  CxUtils::JPEG::OutputSource
 Output source for JPEG compression manager. More...

Namespaces

namespace  CxUtils
namespace  CxUtils::JPEG

Defines

#define JPEG_BUFFER_SIZE   4096

Functions

void CxUtils::JPEG::InitSource (j_decompress_ptr cinfo)
boolean CxUtils::JPEG::FillInputBuffer (j_decompress_ptr cinfo)
void CxUtils::JPEG::SkipInputData (j_decompress_ptr cinfo, long num_bytes)
void CxUtils::JPEG::TerminateSource (j_decompress_ptr cinfo)
void CxUtils::JPEG::ErrorExit (j_common_ptr cinfo)
void CxUtils::JPEG::InitDestination (j_compress_ptr cinfo)
boolean CxUtils::JPEG::EmptyOutputBuffer (j_compress_ptr cinfo)
void CxUtils::JPEG::TerminateDestination (j_compress_ptr cinfo)

Variables

const unsigned int gJPEGHeaderSize = 20
unsigned char gJPEGHeader [gJPEGHeaderSize]
const unsigned int gMJPGDHTSegSize = 420
unsigned char gMJPGDHTSeg [gMJPGDHTSegSize]

Detailed Description

This file contains methods for compression and decompression of JPEG data.


Author(s): Daniel Barber
Created: 21 November 2008
Copyright (c) 2008
Applied Cognition and Training in Immersive Virtual Environments
(ACTIVE) Laboratory
Institute for Simulation and Training (IST)
University of Central Florida (UCF)
All rights reserved.
Email: dbarber@ist.ucf.edu
Web: http://active.ist.ucf.edu

Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met: Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer. Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution. Neither the name of the ACTIVE LAB, IST, UCF, nor the names of its contributors may be used to endorse or promote products derived from this software without specific prior written permission.

THIS SOFTWARE IS PROVIDED BY THE ACTIVE LAB''AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL UCF BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

Definition in file jpeg.cpp.


Define Documentation

#define JPEG_BUFFER_SIZE   4096

Definition at line 164 of file jpeg.cpp.


Variable Documentation

unsigned char gJPEGHeader[gJPEGHeaderSize]
Initial value:
{
    0xff,0xd8,                  
    0xff,0xe0,                  
    0x00,0x10,                  
    0x4a,0x46,0x49,0x46,0x00,   
    0x01,0x01,                  
    0x00,                       
    0x00, 0x00,                 
    0x00, 0x00,                 
    0x00,                       
    0x00                        
}

Definition at line 64 of file jpeg.cpp.

const unsigned int gJPEGHeaderSize = 20

Definition at line 63 of file jpeg.cpp.

unsigned char gMJPGDHTSeg[gMJPGDHTSegSize]
Initial value:
{
    
    0xFF,0xC4,0x01,0xA2,
    0x00,0x00,0x01,0x05,0x01,0x01,0x01,0x01,0x01,0x01,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
    0x01,0x02,0x03,0x04,0x05,0x06,0x07,0x08,0x09,0x0A,0x0B,0x01,0x00,0x03,0x01,0x01,0x01,0x01,
    0x01,0x01,0x01,0x01,0x01,0x00,0x00,0x00,0x00,0x00,0x00,0x01,0x02,0x03,0x04,0x05,0x06,0x07,
    0x08,0x09,0x0A,0x0B,0x10,0x00,0x02,0x01,0x03,0x03,0x02,0x04,0x03,0x05,0x05,0x04,0x04,0x00,
    0x00,0x01,0x7D,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,0x11,0x00,0x02,0x01,0x02,0x04,0x04,0x03,0x04,0x07,0x05,0x04,0x04,0x00,0x01,
    0x02,0x77,0x00,0x01,0x02,0x03,0x11,0x04,0x05,0x21,0x31,0x06,0x12,0x41,0x51,0x07,0x61,0x71,
    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
}

Definition at line 80 of file jpeg.cpp.

const unsigned int gMJPGDHTSegSize = 420

Definition at line 78 of file jpeg.cpp.

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