/* * jcmaster.h * * This file was part of the Independent JPEG Group's software: * Copyright (C) 1991-1995, Thomas G. Lane. * libjpeg-turbo Modifications: * Copyright (C) 2016, D. R. Commander. * For conditions of distribution and use, see the accompanying README.ijg * file. * * This file contains master control structure for the JPEG compressor.
*/
/* Private state */
typedefenum {
main_pass, /* input data, also do first output step */
huff_opt_pass, /* Huffman code optimization pass */
output_pass /* data output pass */
} c_pass_type;
typedefstruct { struct jpeg_comp_master pub; /* public fields */
c_pass_type pass_type; /* the type of the current pass */
int pass_number; /* # of passes completed */ int total_passes; /* total # of passes needed */
int scan_number; /* current index in scan_info[] */
/* * This is here so we can add libjpeg-turbo version/build information to the * global string table without introducing a new global symbol. Adding this * information to the global string table allows one to examine a binary * object and determine which version of libjpeg-turbo it was built from or * linked against.
*/ constchar *jpeg_version;
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