Shoaib Ahmed / Mbed 2 deprecated uzairkhan

Final 350 project

Dependencies:   uzair Camera_LS_Y201 F7_Ethernet LCD_DISCO_F746NG NetworkAPI SDFileSystem mbed

includes/jcapimin.c@0:791a779d6220, 2017-07-31 (annotated)

Committer:
shoaib_ahmed
Date:
Mon Jul 31 09:16:35 2017 +0000
Revision:
0:791a779d6220
final project;

Who changed what in which revision?

UserRevisionLine numberNew contents of line
shoaib_ahmed 0:791a779d6220 1 /*
shoaib_ahmed 0:791a779d6220 2 * jcapimin.c
shoaib_ahmed 0:791a779d6220 3 *
shoaib_ahmed 0:791a779d6220 4 * Copyright (C) 1994-1998, Thomas G. Lane.
shoaib_ahmed 0:791a779d6220 5 * Modified 2003-2010 by Guido Vollbeding.
shoaib_ahmed 0:791a779d6220 6 * This file is part of the Independent JPEG Group's software.
shoaib_ahmed 0:791a779d6220 7 * For conditions of distribution and use, see the accompanying README file.
shoaib_ahmed 0:791a779d6220 8 *
shoaib_ahmed 0:791a779d6220 9 * This file contains application interface code for the compression half
shoaib_ahmed 0:791a779d6220 10 * of the JPEG library. These are the "minimum" API routines that may be
shoaib_ahmed 0:791a779d6220 11 * needed in either the normal full-compression case or the transcoding-only
shoaib_ahmed 0:791a779d6220 12 * case.
shoaib_ahmed 0:791a779d6220 13 *
shoaib_ahmed 0:791a779d6220 14 * Most of the routines intended to be called directly by an application
shoaib_ahmed 0:791a779d6220 15 * are in this file or in jcapistd.c. But also see jcparam.c for
shoaib_ahmed 0:791a779d6220 16 * parameter-setup helper routines, jcomapi.c for routines shared by
shoaib_ahmed 0:791a779d6220 17 * compression and decompression, and jctrans.c for the transcoding case.
shoaib_ahmed 0:791a779d6220 18 */
shoaib_ahmed 0:791a779d6220 19
shoaib_ahmed 0:791a779d6220 20 #define JPEG_INTERNALS
shoaib_ahmed 0:791a779d6220 21 #include "jinclude.h"
shoaib_ahmed 0:791a779d6220 22 #include "jpeglib.h"
shoaib_ahmed 0:791a779d6220 23
shoaib_ahmed 0:791a779d6220 24
shoaib_ahmed 0:791a779d6220 25 /*
shoaib_ahmed 0:791a779d6220 26 * Initialization of a JPEG compression object.
shoaib_ahmed 0:791a779d6220 27 * The error manager must already be set up (in case memory manager fails).
shoaib_ahmed 0:791a779d6220 28 */
shoaib_ahmed 0:791a779d6220 29
shoaib_ahmed 0:791a779d6220 30 GLOBAL(void)
shoaib_ahmed 0:791a779d6220 31 jpeg_CreateCompress (j_compress_ptr cinfo, int version, size_t structsize)
shoaib_ahmed 0:791a779d6220 32 {
shoaib_ahmed 0:791a779d6220 33 int i;
shoaib_ahmed 0:791a779d6220 34
shoaib_ahmed 0:791a779d6220 35 /* Guard against version mismatches between library and caller. */
shoaib_ahmed 0:791a779d6220 36 cinfo->mem = NULL; /* so jpeg_destroy knows mem mgr not called */
shoaib_ahmed 0:791a779d6220 37 if (version != JPEG_LIB_VERSION)
shoaib_ahmed 0:791a779d6220 38 ERREXIT2(cinfo, JERR_BAD_LIB_VERSION, JPEG_LIB_VERSION, version);
shoaib_ahmed 0:791a779d6220 39 if (structsize != SIZEOF(struct jpeg_compress_struct))
shoaib_ahmed 0:791a779d6220 40 ERREXIT2(cinfo, JERR_BAD_STRUCT_SIZE,
shoaib_ahmed 0:791a779d6220 41 (int) SIZEOF(struct jpeg_compress_struct), (int) structsize);
shoaib_ahmed 0:791a779d6220 42
shoaib_ahmed 0:791a779d6220 43 /* For debugging purposes, we zero the whole master structure.
shoaib_ahmed 0:791a779d6220 44 * But the application has already set the err pointer, and may have set
shoaib_ahmed 0:791a779d6220 45 * client_data, so we have to save and restore those fields.
shoaib_ahmed 0:791a779d6220 46 * Note: if application hasn't set client_data, tools like Purify may
shoaib_ahmed 0:791a779d6220 47 * complain here.
shoaib_ahmed 0:791a779d6220 48 */
shoaib_ahmed 0:791a779d6220 49 {
shoaib_ahmed 0:791a779d6220 50 struct jpeg_error_mgr * err = cinfo->err;
shoaib_ahmed 0:791a779d6220 51 void * client_data = cinfo->client_data; /* ignore Purify complaint here */
shoaib_ahmed 0:791a779d6220 52 MEMZERO(cinfo, SIZEOF(struct jpeg_compress_struct));
shoaib_ahmed 0:791a779d6220 53 cinfo->err = err;
shoaib_ahmed 0:791a779d6220 54 cinfo->client_data = client_data;
shoaib_ahmed 0:791a779d6220 55 }
shoaib_ahmed 0:791a779d6220 56 cinfo->is_decompressor = FALSE;
shoaib_ahmed 0:791a779d6220 57
shoaib_ahmed 0:791a779d6220 58 /* Initialize a memory manager instance for this object */
shoaib_ahmed 0:791a779d6220 59 jinit_memory_mgr((j_common_ptr) cinfo);
shoaib_ahmed 0:791a779d6220 60
shoaib_ahmed 0:791a779d6220 61 /* Zero out pointers to permanent structures. */
shoaib_ahmed 0:791a779d6220 62 cinfo->progress = NULL;
shoaib_ahmed 0:791a779d6220 63 cinfo->dest = NULL;
shoaib_ahmed 0:791a779d6220 64
shoaib_ahmed 0:791a779d6220 65 cinfo->comp_info = NULL;
shoaib_ahmed 0:791a779d6220 66
shoaib_ahmed 0:791a779d6220 67 for (i = 0; i < NUM_QUANT_TBLS; i++) {
shoaib_ahmed 0:791a779d6220 68 cinfo->quant_tbl_ptrs[i] = NULL;
shoaib_ahmed 0:791a779d6220 69 cinfo->q_scale_factor[i] = 100;
shoaib_ahmed 0:791a779d6220 70 }
shoaib_ahmed 0:791a779d6220 71
shoaib_ahmed 0:791a779d6220 72 for (i = 0; i < NUM_HUFF_TBLS; i++) {
shoaib_ahmed 0:791a779d6220 73 cinfo->dc_huff_tbl_ptrs[i] = NULL;
shoaib_ahmed 0:791a779d6220 74 cinfo->ac_huff_tbl_ptrs[i] = NULL;
shoaib_ahmed 0:791a779d6220 75 }
shoaib_ahmed 0:791a779d6220 76
shoaib_ahmed 0:791a779d6220 77 /* Must do it here for emit_dqt in case jpeg_write_tables is used */
shoaib_ahmed 0:791a779d6220 78 cinfo->block_size = DCTSIZE;
shoaib_ahmed 0:791a779d6220 79 cinfo->natural_order = jpeg_natural_order;
shoaib_ahmed 0:791a779d6220 80 cinfo->lim_Se = DCTSIZE2-1;
shoaib_ahmed 0:791a779d6220 81
shoaib_ahmed 0:791a779d6220 82 cinfo->script_space = NULL;
shoaib_ahmed 0:791a779d6220 83
shoaib_ahmed 0:791a779d6220 84 cinfo->input_gamma = 1.0; /* in case application forgets */
shoaib_ahmed 0:791a779d6220 85
shoaib_ahmed 0:791a779d6220 86 /* OK, I'm ready */
shoaib_ahmed 0:791a779d6220 87 cinfo->global_state = CSTATE_START;
shoaib_ahmed 0:791a779d6220 88 }
shoaib_ahmed 0:791a779d6220 89
shoaib_ahmed 0:791a779d6220 90
shoaib_ahmed 0:791a779d6220 91 /*
shoaib_ahmed 0:791a779d6220 92 * Destruction of a JPEG compression object
shoaib_ahmed 0:791a779d6220 93 */
shoaib_ahmed 0:791a779d6220 94
shoaib_ahmed 0:791a779d6220 95 GLOBAL(void)
shoaib_ahmed 0:791a779d6220 96 jpeg_destroy_compress (j_compress_ptr cinfo)
shoaib_ahmed 0:791a779d6220 97 {
shoaib_ahmed 0:791a779d6220 98 jpeg_destroy((j_common_ptr) cinfo); /* use common routine */
shoaib_ahmed 0:791a779d6220 99 }
shoaib_ahmed 0:791a779d6220 100
shoaib_ahmed 0:791a779d6220 101
shoaib_ahmed 0:791a779d6220 102 /*
shoaib_ahmed 0:791a779d6220 103 * Abort processing of a JPEG compression operation,
shoaib_ahmed 0:791a779d6220 104 * but don't destroy the object itself.
shoaib_ahmed 0:791a779d6220 105 */
shoaib_ahmed 0:791a779d6220 106
shoaib_ahmed 0:791a779d6220 107 GLOBAL(void)
shoaib_ahmed 0:791a779d6220 108 jpeg_abort_compress (j_compress_ptr cinfo)
shoaib_ahmed 0:791a779d6220 109 {
shoaib_ahmed 0:791a779d6220 110 jpeg_abort((j_common_ptr) cinfo); /* use common routine */
shoaib_ahmed 0:791a779d6220 111 }
shoaib_ahmed 0:791a779d6220 112
shoaib_ahmed 0:791a779d6220 113
shoaib_ahmed 0:791a779d6220 114 /*
shoaib_ahmed 0:791a779d6220 115 * Forcibly suppress or un-suppress all quantization and Huffman tables.
shoaib_ahmed 0:791a779d6220 116 * Marks all currently defined tables as already written (if suppress)
shoaib_ahmed 0:791a779d6220 117 * or not written (if !suppress). This will control whether they get emitted
shoaib_ahmed 0:791a779d6220 118 * by a subsequent jpeg_start_compress call.
shoaib_ahmed 0:791a779d6220 119 *
shoaib_ahmed 0:791a779d6220 120 * This routine is exported for use by applications that want to produce
shoaib_ahmed 0:791a779d6220 121 * abbreviated JPEG datastreams. It logically belongs in jcparam.c, but
shoaib_ahmed 0:791a779d6220 122 * since it is called by jpeg_start_compress, we put it here --- otherwise
shoaib_ahmed 0:791a779d6220 123 * jcparam.o would be linked whether the application used it or not.
shoaib_ahmed 0:791a779d6220 124 */
shoaib_ahmed 0:791a779d6220 125
shoaib_ahmed 0:791a779d6220 126 GLOBAL(void)
shoaib_ahmed 0:791a779d6220 127 jpeg_suppress_tables (j_compress_ptr cinfo, boolean suppress)
shoaib_ahmed 0:791a779d6220 128 {
shoaib_ahmed 0:791a779d6220 129 int i;
shoaib_ahmed 0:791a779d6220 130 JQUANT_TBL * qtbl;
shoaib_ahmed 0:791a779d6220 131 JHUFF_TBL * htbl;
shoaib_ahmed 0:791a779d6220 132
shoaib_ahmed 0:791a779d6220 133 for (i = 0; i < NUM_QUANT_TBLS; i++) {
shoaib_ahmed 0:791a779d6220 134 if ((qtbl = cinfo->quant_tbl_ptrs[i]) != NULL)
shoaib_ahmed 0:791a779d6220 135 qtbl->sent_table = suppress;
shoaib_ahmed 0:791a779d6220 136 }
shoaib_ahmed 0:791a779d6220 137
shoaib_ahmed 0:791a779d6220 138 for (i = 0; i < NUM_HUFF_TBLS; i++) {
shoaib_ahmed 0:791a779d6220 139 if ((htbl = cinfo->dc_huff_tbl_ptrs[i]) != NULL)
shoaib_ahmed 0:791a779d6220 140 htbl->sent_table = suppress;
shoaib_ahmed 0:791a779d6220 141 if ((htbl = cinfo->ac_huff_tbl_ptrs[i]) != NULL)
shoaib_ahmed 0:791a779d6220 142 htbl->sent_table = suppress;
shoaib_ahmed 0:791a779d6220 143 }
shoaib_ahmed 0:791a779d6220 144 }
shoaib_ahmed 0:791a779d6220 145
shoaib_ahmed 0:791a779d6220 146
shoaib_ahmed 0:791a779d6220 147 /*
shoaib_ahmed 0:791a779d6220 148 * Finish JPEG compression.
shoaib_ahmed 0:791a779d6220 149 *
shoaib_ahmed 0:791a779d6220 150 * If a multipass operating mode was selected, this may do a great deal of
shoaib_ahmed 0:791a779d6220 151 * work including most of the actual output.
shoaib_ahmed 0:791a779d6220 152 */
shoaib_ahmed 0:791a779d6220 153
shoaib_ahmed 0:791a779d6220 154 GLOBAL(void)
shoaib_ahmed 0:791a779d6220 155 jpeg_finish_compress (j_compress_ptr cinfo)
shoaib_ahmed 0:791a779d6220 156 {
shoaib_ahmed 0:791a779d6220 157 JDIMENSION iMCU_row;
shoaib_ahmed 0:791a779d6220 158
shoaib_ahmed 0:791a779d6220 159 if (cinfo->global_state == CSTATE_SCANNING ||
shoaib_ahmed 0:791a779d6220 160 cinfo->global_state == CSTATE_RAW_OK) {
shoaib_ahmed 0:791a779d6220 161 /* Terminate first pass */
shoaib_ahmed 0:791a779d6220 162 if (cinfo->next_scanline < cinfo->image_height)
shoaib_ahmed 0:791a779d6220 163 ERREXIT(cinfo, JERR_TOO_LITTLE_DATA);
shoaib_ahmed 0:791a779d6220 164 (*cinfo->master->finish_pass) (cinfo);
shoaib_ahmed 0:791a779d6220 165 } else if (cinfo->global_state != CSTATE_WRCOEFS)
shoaib_ahmed 0:791a779d6220 166 ERREXIT1(cinfo, JERR_BAD_STATE, cinfo->global_state);
shoaib_ahmed 0:791a779d6220 167 /* Perform any remaining passes */
shoaib_ahmed 0:791a779d6220 168 while (! cinfo->master->is_last_pass) {
shoaib_ahmed 0:791a779d6220 169 (*cinfo->master->prepare_for_pass) (cinfo);
shoaib_ahmed 0:791a779d6220 170 for (iMCU_row = 0; iMCU_row < cinfo->total_iMCU_rows; iMCU_row++) {
shoaib_ahmed 0:791a779d6220 171 if (cinfo->progress != NULL) {
shoaib_ahmed 0:791a779d6220 172 cinfo->progress->pass_counter = (long) iMCU_row;
shoaib_ahmed 0:791a779d6220 173 cinfo->progress->pass_limit = (long) cinfo->total_iMCU_rows;
shoaib_ahmed 0:791a779d6220 174 (*cinfo->progress->progress_monitor) ((j_common_ptr) cinfo);
shoaib_ahmed 0:791a779d6220 175 }
shoaib_ahmed 0:791a779d6220 176 /* We bypass the main controller and invoke coef controller directly;
shoaib_ahmed 0:791a779d6220 177 * all work is being done from the coefficient buffer.
shoaib_ahmed 0:791a779d6220 178 */
shoaib_ahmed 0:791a779d6220 179 if (! (*cinfo->coef->compress_data) (cinfo, (JSAMPIMAGE) NULL))
shoaib_ahmed 0:791a779d6220 180 ERREXIT(cinfo, JERR_CANT_SUSPEND);
shoaib_ahmed 0:791a779d6220 181 }
shoaib_ahmed 0:791a779d6220 182 (*cinfo->master->finish_pass) (cinfo);
shoaib_ahmed 0:791a779d6220 183 }
shoaib_ahmed 0:791a779d6220 184 /* Write EOI, do final cleanup */
shoaib_ahmed 0:791a779d6220 185 (*cinfo->marker->write_file_trailer) (cinfo);
shoaib_ahmed 0:791a779d6220 186 (*cinfo->dest->term_destination) (cinfo);
shoaib_ahmed 0:791a779d6220 187 /* We can use jpeg_abort to release memory and reset global_state */
shoaib_ahmed 0:791a779d6220 188 jpeg_abort((j_common_ptr) cinfo);
shoaib_ahmed 0:791a779d6220 189 }
shoaib_ahmed 0:791a779d6220 190
shoaib_ahmed 0:791a779d6220 191
shoaib_ahmed 0:791a779d6220 192 /*
shoaib_ahmed 0:791a779d6220 193 * Write a special marker.
shoaib_ahmed 0:791a779d6220 194 * This is only recommended for writing COM or APPn markers.
shoaib_ahmed 0:791a779d6220 195 * Must be called after jpeg_start_compress() and before
shoaib_ahmed 0:791a779d6220 196 * first call to jpeg_write_scanlines() or jpeg_write_raw_data().
shoaib_ahmed 0:791a779d6220 197 */
shoaib_ahmed 0:791a779d6220 198
shoaib_ahmed 0:791a779d6220 199 GLOBAL(void)
shoaib_ahmed 0:791a779d6220 200 jpeg_write_marker (j_compress_ptr cinfo, int marker,
shoaib_ahmed 0:791a779d6220 201 const JOCTET *dataptr, unsigned int datalen)
shoaib_ahmed 0:791a779d6220 202 {
shoaib_ahmed 0:791a779d6220 203 JMETHOD(void, write_marker_byte, (j_compress_ptr info, int val));
shoaib_ahmed 0:791a779d6220 204
shoaib_ahmed 0:791a779d6220 205 if (cinfo->next_scanline != 0 ||
shoaib_ahmed 0:791a779d6220 206 (cinfo->global_state != CSTATE_SCANNING &&
shoaib_ahmed 0:791a779d6220 207 cinfo->global_state != CSTATE_RAW_OK &&
shoaib_ahmed 0:791a779d6220 208 cinfo->global_state != CSTATE_WRCOEFS))
shoaib_ahmed 0:791a779d6220 209 ERREXIT1(cinfo, JERR_BAD_STATE, cinfo->global_state);
shoaib_ahmed 0:791a779d6220 210
shoaib_ahmed 0:791a779d6220 211 (*cinfo->marker->write_marker_header) (cinfo, marker, datalen);
shoaib_ahmed 0:791a779d6220 212 write_marker_byte = cinfo->marker->write_marker_byte; /* copy for speed */
shoaib_ahmed 0:791a779d6220 213 while (datalen--) {
shoaib_ahmed 0:791a779d6220 214 (*write_marker_byte) (cinfo, *dataptr);
shoaib_ahmed 0:791a779d6220 215 dataptr++;
shoaib_ahmed 0:791a779d6220 216 }
shoaib_ahmed 0:791a779d6220 217 }
shoaib_ahmed 0:791a779d6220 218
shoaib_ahmed 0:791a779d6220 219 /* Same, but piecemeal. */
shoaib_ahmed 0:791a779d6220 220
shoaib_ahmed 0:791a779d6220 221 GLOBAL(void)
shoaib_ahmed 0:791a779d6220 222 jpeg_write_m_header (j_compress_ptr cinfo, int marker, unsigned int datalen)
shoaib_ahmed 0:791a779d6220 223 {
shoaib_ahmed 0:791a779d6220 224 if (cinfo->next_scanline != 0 ||
shoaib_ahmed 0:791a779d6220 225 (cinfo->global_state != CSTATE_SCANNING &&
shoaib_ahmed 0:791a779d6220 226 cinfo->global_state != CSTATE_RAW_OK &&
shoaib_ahmed 0:791a779d6220 227 cinfo->global_state != CSTATE_WRCOEFS))
shoaib_ahmed 0:791a779d6220 228 ERREXIT1(cinfo, JERR_BAD_STATE, cinfo->global_state);
shoaib_ahmed 0:791a779d6220 229
shoaib_ahmed 0:791a779d6220 230 (*cinfo->marker->write_marker_header) (cinfo, marker, datalen);
shoaib_ahmed 0:791a779d6220 231 }
shoaib_ahmed 0:791a779d6220 232
shoaib_ahmed 0:791a779d6220 233 GLOBAL(void)
shoaib_ahmed 0:791a779d6220 234 jpeg_write_m_byte (j_compress_ptr cinfo, int val)
shoaib_ahmed 0:791a779d6220 235 {
shoaib_ahmed 0:791a779d6220 236 (*cinfo->marker->write_marker_byte) (cinfo, val);
shoaib_ahmed 0:791a779d6220 237 }
shoaib_ahmed 0:791a779d6220 238
shoaib_ahmed 0:791a779d6220 239
shoaib_ahmed 0:791a779d6220 240 /*
shoaib_ahmed 0:791a779d6220 241 * Alternate compression function: just write an abbreviated table file.
shoaib_ahmed 0:791a779d6220 242 * Before calling this, all parameters and a data destination must be set up.
shoaib_ahmed 0:791a779d6220 243 *
shoaib_ahmed 0:791a779d6220 244 * To produce a pair of files containing abbreviated tables and abbreviated
shoaib_ahmed 0:791a779d6220 245 * image data, one would proceed as follows:
shoaib_ahmed 0:791a779d6220 246 *
shoaib_ahmed 0:791a779d6220 247 * initialize JPEG object
shoaib_ahmed 0:791a779d6220 248 * set JPEG parameters
shoaib_ahmed 0:791a779d6220 249 * set destination to table file
shoaib_ahmed 0:791a779d6220 250 * jpeg_write_tables(cinfo);
shoaib_ahmed 0:791a779d6220 251 * set destination to image file
shoaib_ahmed 0:791a779d6220 252 * jpeg_start_compress(cinfo, FALSE);
shoaib_ahmed 0:791a779d6220 253 * write data...
shoaib_ahmed 0:791a779d6220 254 * jpeg_finish_compress(cinfo);
shoaib_ahmed 0:791a779d6220 255 *
shoaib_ahmed 0:791a779d6220 256 * jpeg_write_tables has the side effect of marking all tables written
shoaib_ahmed 0:791a779d6220 257 * (same as jpeg_suppress_tables(..., TRUE)). Thus a subsequent start_compress
shoaib_ahmed 0:791a779d6220 258 * will not re-emit the tables unless it is passed write_all_tables=TRUE.
shoaib_ahmed 0:791a779d6220 259 */
shoaib_ahmed 0:791a779d6220 260
shoaib_ahmed 0:791a779d6220 261 GLOBAL(void)
shoaib_ahmed 0:791a779d6220 262 jpeg_write_tables (j_compress_ptr cinfo)
shoaib_ahmed 0:791a779d6220 263 {
shoaib_ahmed 0:791a779d6220 264 if (cinfo->global_state != CSTATE_START)
shoaib_ahmed 0:791a779d6220 265 ERREXIT1(cinfo, JERR_BAD_STATE, cinfo->global_state);
shoaib_ahmed 0:791a779d6220 266
shoaib_ahmed 0:791a779d6220 267 /* (Re)initialize error mgr and destination modules */
shoaib_ahmed 0:791a779d6220 268 (*cinfo->err->reset_error_mgr) ((j_common_ptr) cinfo);
shoaib_ahmed 0:791a779d6220 269 (*cinfo->dest->init_destination) (cinfo);
shoaib_ahmed 0:791a779d6220 270 /* Initialize the marker writer ... bit of a crock to do it here. */
shoaib_ahmed 0:791a779d6220 271 jinit_marker_writer(cinfo);
shoaib_ahmed 0:791a779d6220 272 /* Write them tables! */
shoaib_ahmed 0:791a779d6220 273 (*cinfo->marker->write_tables_only) (cinfo);
shoaib_ahmed 0:791a779d6220 274 /* And clean up. */
shoaib_ahmed 0:791a779d6220 275 (*cinfo->dest->term_destination) (cinfo);
shoaib_ahmed 0:791a779d6220 276 /*
shoaib_ahmed 0:791a779d6220 277 * In library releases up through v6a, we called jpeg_abort() here to free
shoaib_ahmed 0:791a779d6220 278 * any working memory allocated by the destination manager and marker
shoaib_ahmed 0:791a779d6220 279 * writer. Some applications had a problem with that: they allocated space
shoaib_ahmed 0:791a779d6220 280 * of their own from the library memory manager, and didn't want it to go
shoaib_ahmed 0:791a779d6220 281 * away during write_tables. So now we do nothing. This will cause a
shoaib_ahmed 0:791a779d6220 282 * memory leak if an app calls write_tables repeatedly without doing a full
shoaib_ahmed 0:791a779d6220 283 * compression cycle or otherwise resetting the JPEG object. However, that
shoaib_ahmed 0:791a779d6220 284 * seems less bad than unexpectedly freeing memory in the normal case.
shoaib_ahmed 0:791a779d6220 285 * An app that prefers the old behavior can call jpeg_abort for itself after
shoaib_ahmed 0:791a779d6220 286 * each call to jpeg_write_tables().
shoaib_ahmed 0:791a779d6220 287 */
shoaib_ahmed 0:791a779d6220 288 }