/*
* jcmaster.c
*
- * Copyright (C) 1991-1997, Thomas G. Lane.
+ * Copyright (C) 1991-1998, Thomas G. Lane.
* This file is part of the Independent JPEG Group's software.
* For conditions of distribution and use, see the accompanying README file.
*
#define JPEG_INTERNALS
#include "jinclude.h"
#include "jpeglib.h"
+#include "jlossy.h" /* Private declarations for lossy codec */
/* Private state */
typedef enum {
- main_pass, /* input data, also do first output step */
- huff_opt_pass, /* Huffman code optimization pass */
- output_pass /* data output pass */
+ main_pass, /* input data, also do first output step */
+ huff_opt_pass, /* Huffman code optimization pass */
+ output_pass /* data output pass */
} c_pass_type;
typedef struct {
- struct jpeg_comp_master pub; /* public fields */
+ struct jpeg_comp_master pub; /* public fields */
- c_pass_type pass_type; /* the type of the current pass */
+ 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 pass_number; /* # of passes completed */
+ int total_passes; /* total # of passes needed */
- int scan_number; /* current index in scan_info[] */
+ int scan_number; /* current index in scan_info[] */
} my_comp_master;
typedef my_comp_master * my_master_ptr;
jpeg_component_info *compptr;
long samplesperrow;
JDIMENSION jd_samplesperrow;
+ int data_unit = cinfo->data_unit;
/* Sanity check on image dimensions */
if (cinfo->image_height <= 0 || cinfo->image_width <= 0
/* Check that number of components won't exceed internal array sizes */
if (cinfo->num_components > MAX_COMPONENTS)
ERREXIT2(cinfo, JERR_COMPONENT_COUNT, cinfo->num_components,
- MAX_COMPONENTS);
+ MAX_COMPONENTS);
/* Compute maximum sampling factors; check factor validity */
cinfo->max_h_samp_factor = 1;
for (ci = 0, compptr = cinfo->comp_info; ci < cinfo->num_components;
ci++, compptr++) {
if (compptr->h_samp_factor<=0 || compptr->h_samp_factor>MAX_SAMP_FACTOR ||
- compptr->v_samp_factor<=0 || compptr->v_samp_factor>MAX_SAMP_FACTOR)
+ compptr->v_samp_factor<=0 || compptr->v_samp_factor>MAX_SAMP_FACTOR)
ERREXIT(cinfo, JERR_BAD_SAMPLING);
cinfo->max_h_samp_factor = MAX(cinfo->max_h_samp_factor,
- compptr->h_samp_factor);
+ compptr->h_samp_factor);
cinfo->max_v_samp_factor = MAX(cinfo->max_v_samp_factor,
- compptr->v_samp_factor);
+ compptr->v_samp_factor);
}
/* Compute dimensions of components */
ci++, compptr++) {
/* Fill in the correct component_index value; don't rely on application */
compptr->component_index = ci;
- /* For compression, we never do DCT scaling. */
- compptr->DCT_scaled_size = DCTSIZE;
- /* Size in DCT blocks */
- compptr->width_in_blocks = (JDIMENSION)
+ /* For compression, we never do any codec-based processing. */
+ compptr->codec_data_unit = data_unit;
+ /* Size in data units */
+ compptr->width_in_data_units = (JDIMENSION)
jdiv_round_up((long) cinfo->image_width * (long) compptr->h_samp_factor,
- (long) (cinfo->max_h_samp_factor * DCTSIZE));
- compptr->height_in_blocks = (JDIMENSION)
+ (long) (cinfo->max_h_samp_factor * data_unit));
+ compptr->height_in_data_units = (JDIMENSION)
jdiv_round_up((long) cinfo->image_height * (long) compptr->v_samp_factor,
- (long) (cinfo->max_v_samp_factor * DCTSIZE));
+ (long) (cinfo->max_v_samp_factor * data_unit));
/* Size in samples */
compptr->downsampled_width = (JDIMENSION)
jdiv_round_up((long) cinfo->image_width * (long) compptr->h_samp_factor,
- (long) cinfo->max_h_samp_factor);
+ (long) cinfo->max_h_samp_factor);
compptr->downsampled_height = (JDIMENSION)
jdiv_round_up((long) cinfo->image_height * (long) compptr->v_samp_factor,
- (long) cinfo->max_v_samp_factor);
+ (long) cinfo->max_v_samp_factor);
/* Mark component needed (this flag isn't actually used for compression) */
compptr->component_needed = TRUE;
}
*/
cinfo->total_iMCU_rows = (JDIMENSION)
jdiv_round_up((long) cinfo->image_height,
- (long) (cinfo->max_v_samp_factor*DCTSIZE));
+ (long) (cinfo->max_v_samp_factor*data_unit));
}
-
#ifdef C_MULTISCAN_FILES_SUPPORTED
+#define NEED_SCAN_SCRIPT
+#else
+#ifdef C_LOSSLESS_SUPPORTED
+#define NEED_SCAN_SCRIPT
+#endif
+#endif
+
+#ifdef NEED_SCAN_SCRIPT
LOCAL(void)
validate_script (j_compress_ptr cinfo)
/* Verify that the scan script in cinfo->scan_info[] is valid; also
- * determine whether it uses progressive JPEG, and set cinfo->progressive_mode.
+ * determine whether it uses progressive JPEG, and set cinfo->process.
*/
{
const jpeg_scan_info * scanptr;
if (cinfo->num_scans <= 0)
ERREXIT1(cinfo, JERR_BAD_SCAN_SCRIPT, 0);
+#ifndef C_MULTISCAN_FILES_SUPPORTED
+ if (cinfo->num_scans > 1)
+ ERREXIT(cinfo, JERR_NOT_COMPILED);
+#endif
+
+ scanptr = cinfo->scan_info;
+ if (cinfo->lossless) {
+#ifdef C_LOSSLESS_SUPPORTED
+ cinfo->process = JPROC_LOSSLESS;
+ for (ci = 0; ci < cinfo->num_components; ci++)
+ component_sent[ci] = FALSE;
+#else
+ ERREXIT(cinfo, JERR_NOT_COMPILED);
+#endif
+ }
/* For sequential JPEG, all scans must have Ss=0, Se=DCTSIZE2-1;
* for progressive JPEG, no scan can have this.
*/
- scanptr = cinfo->scan_info;
- if (scanptr->Ss != 0 || scanptr->Se != DCTSIZE2-1) {
+ else if (scanptr->Ss != 0 || scanptr->Se != DCTSIZE2-1) {
#ifdef C_PROGRESSIVE_SUPPORTED
- cinfo->progressive_mode = TRUE;
+ cinfo->process = JPROC_PROGRESSIVE;
last_bitpos_ptr = & last_bitpos[0][0];
for (ci = 0; ci < cinfo->num_components; ci++)
for (coefi = 0; coefi < DCTSIZE2; coefi++)
- *last_bitpos_ptr++ = -1;
+ *last_bitpos_ptr++ = -1;
#else
ERREXIT(cinfo, JERR_NOT_COMPILED);
#endif
} else {
- cinfo->progressive_mode = FALSE;
+ cinfo->process = JPROC_SEQUENTIAL;
for (ci = 0; ci < cinfo->num_components; ci++)
component_sent[ci] = FALSE;
}
for (ci = 0; ci < ncomps; ci++) {
thisi = scanptr->component_index[ci];
if (thisi < 0 || thisi >= cinfo->num_components)
- ERREXIT1(cinfo, JERR_BAD_SCAN_SCRIPT, scanno);
+ ERREXIT1(cinfo, JERR_BAD_SCAN_SCRIPT, scanno);
/* Components must appear in SOF order within each scan */
if (ci > 0 && thisi <= scanptr->component_index[ci-1])
- ERREXIT1(cinfo, JERR_BAD_SCAN_SCRIPT, scanno);
+ ERREXIT1(cinfo, JERR_BAD_SCAN_SCRIPT, scanno);
}
/* Validate progression parameters */
Ss = scanptr->Ss;
Se = scanptr->Se;
Ah = scanptr->Ah;
Al = scanptr->Al;
- if (cinfo->progressive_mode) {
+ if (cinfo->process == JPROC_LOSSLESS) {
+#ifdef C_LOSSLESS_SUPPORTED
+ /* The JPEG spec simply gives the range 0..15 for Al (Pt), but that
+ * seems wrong: the upper bound ought to depend on data precision.
+ * Perhaps they really meant 0..N-1 for N-bit precision, which is what
+ * we allow here.
+ */
+ if (Ss < 1 || Ss > 7 || /* predictor selector */
+ Se != 0 || Ah != 0 ||
+ Al < 0 || Al >= cinfo->data_precision) /* point transform */
+ ERREXIT1(cinfo, JERR_BAD_LOSSLESS_SCRIPT, scanno);
+ /* Make sure components are not sent twice */
+ for (ci = 0; ci < ncomps; ci++) {
+ thisi = scanptr->component_index[ci];
+ if (component_sent[thisi])
+ ERREXIT1(cinfo, JERR_BAD_SCAN_SCRIPT, scanno);
+ component_sent[thisi] = TRUE;
+ }
+#endif
+ } else if (cinfo->process == JPROC_PROGRESSIVE) {
#ifdef C_PROGRESSIVE_SUPPORTED
/* The JPEG spec simply gives the ranges 0..13 for Ah and Al, but that
* seems wrong: the upper bound ought to depend on data precision.
#define MAX_AH_AL 13
#endif
if (Ss < 0 || Ss >= DCTSIZE2 || Se < Ss || Se >= DCTSIZE2 ||
- Ah < 0 || Ah > MAX_AH_AL || Al < 0 || Al > MAX_AH_AL)
- ERREXIT1(cinfo, JERR_BAD_PROG_SCRIPT, scanno);
+ Ah < 0 || Ah > MAX_AH_AL || Al < 0 || Al > MAX_AH_AL)
+ ERREXIT1(cinfo, JERR_BAD_PROG_SCRIPT, scanno);
if (Ss == 0) {
- if (Se != 0) /* DC and AC together not OK */
- ERREXIT1(cinfo, JERR_BAD_PROG_SCRIPT, scanno);
+ if (Se != 0) /* DC and AC together not OK */
+ ERREXIT1(cinfo, JERR_BAD_PROG_SCRIPT, scanno);
} else {
- if (ncomps != 1) /* AC scans must be for only one component */
- ERREXIT1(cinfo, JERR_BAD_PROG_SCRIPT, scanno);
+ if (ncomps != 1) /* AC scans must be for only one component */
+ ERREXIT1(cinfo, JERR_BAD_PROG_SCRIPT, scanno);
}
for (ci = 0; ci < ncomps; ci++) {
- last_bitpos_ptr = & last_bitpos[scanptr->component_index[ci]][0];
- if (Ss != 0 && last_bitpos_ptr[0] < 0) /* AC without prior DC scan */
- ERREXIT1(cinfo, JERR_BAD_PROG_SCRIPT, scanno);
- for (coefi = Ss; coefi <= Se; coefi++) {
- if (last_bitpos_ptr[coefi] < 0) {
- /* first scan of this coefficient */
- if (Ah != 0)
- ERREXIT1(cinfo, JERR_BAD_PROG_SCRIPT, scanno);
- } else {
- /* not first scan */
- if (Ah != last_bitpos_ptr[coefi] || Al != Ah-1)
- ERREXIT1(cinfo, JERR_BAD_PROG_SCRIPT, scanno);
- }
- last_bitpos_ptr[coefi] = Al;
- }
+ last_bitpos_ptr = & last_bitpos[scanptr->component_index[ci]][0];
+ if (Ss != 0 && last_bitpos_ptr[0] < 0) /* AC without prior DC scan */
+ ERREXIT1(cinfo, JERR_BAD_PROG_SCRIPT, scanno);
+ for (coefi = Ss; coefi <= Se; coefi++) {
+ if (last_bitpos_ptr[coefi] < 0) {
+ /* first scan of this coefficient */
+ if (Ah != 0)
+ ERREXIT1(cinfo, JERR_BAD_PROG_SCRIPT, scanno);
+ } else {
+ /* not first scan */
+ if (Ah != last_bitpos_ptr[coefi] || Al != Ah-1)
+ ERREXIT1(cinfo, JERR_BAD_PROG_SCRIPT, scanno);
+ }
+ last_bitpos_ptr[coefi] = Al;
+ }
}
#endif
} else {
/* For sequential JPEG, all progression parameters must be these: */
if (Ss != 0 || Se != DCTSIZE2-1 || Ah != 0 || Al != 0)
- ERREXIT1(cinfo, JERR_BAD_PROG_SCRIPT, scanno);
+ ERREXIT1(cinfo, JERR_BAD_PROG_SCRIPT, scanno);
/* Make sure components are not sent twice */
for (ci = 0; ci < ncomps; ci++) {
- thisi = scanptr->component_index[ci];
- if (component_sent[thisi])
- ERREXIT1(cinfo, JERR_BAD_SCAN_SCRIPT, scanno);
- component_sent[thisi] = TRUE;
+ thisi = scanptr->component_index[ci];
+ if (component_sent[thisi])
+ ERREXIT1(cinfo, JERR_BAD_SCAN_SCRIPT, scanno);
+ component_sent[thisi] = TRUE;
}
}
}
/* Now verify that everything got sent. */
- if (cinfo->progressive_mode) {
+ if (cinfo->process == JPROC_PROGRESSIVE) {
#ifdef C_PROGRESSIVE_SUPPORTED
/* For progressive mode, we only check that at least some DC data
* got sent for each component; the spec does not require that all bits
*/
for (ci = 0; ci < cinfo->num_components; ci++) {
if (last_bitpos[ci][0] < 0)
- ERREXIT(cinfo, JERR_MISSING_DATA);
+ ERREXIT(cinfo, JERR_MISSING_DATA);
}
#endif
} else {
for (ci = 0; ci < cinfo->num_components; ci++) {
if (! component_sent[ci])
- ERREXIT(cinfo, JERR_MISSING_DATA);
+ ERREXIT(cinfo, JERR_MISSING_DATA);
}
}
}
-#endif /* C_MULTISCAN_FILES_SUPPORTED */
+#endif /* NEED_SCAN_SCRIPT */
LOCAL(void)
{
int ci;
-#ifdef C_MULTISCAN_FILES_SUPPORTED
+#ifdef NEED_SCAN_SCRIPT
if (cinfo->scan_info != NULL) {
/* Prepare for current scan --- the script is already validated */
my_master_ptr master = (my_master_ptr) cinfo->master;
cinfo->comps_in_scan = scanptr->comps_in_scan;
for (ci = 0; ci < scanptr->comps_in_scan; ci++) {
cinfo->cur_comp_info[ci] =
- &cinfo->comp_info[scanptr->component_index[ci]];
+ &cinfo->comp_info[scanptr->component_index[ci]];
}
cinfo->Ss = scanptr->Ss;
cinfo->Se = scanptr->Se;
cinfo->Ah = scanptr->Ah;
cinfo->Al = scanptr->Al;
- }
- else
+ } else
#endif
{
/* Prepare for single sequential-JPEG scan containing all components */
if (cinfo->num_components > MAX_COMPS_IN_SCAN)
ERREXIT2(cinfo, JERR_COMPONENT_COUNT, cinfo->num_components,
- MAX_COMPS_IN_SCAN);
+ MAX_COMPS_IN_SCAN);
cinfo->comps_in_scan = cinfo->num_components;
for (ci = 0; ci < cinfo->num_components; ci++) {
cinfo->cur_comp_info[ci] = &cinfo->comp_info[ci];
}
- cinfo->Ss = 0;
- cinfo->Se = DCTSIZE2-1;
- cinfo->Ah = 0;
- cinfo->Al = 0;
+ if (cinfo->lossless) {
+#ifdef C_LOSSLESS_SUPPORTED
+ /* If we fall through to here, the user specified lossless, but did not
+ * provide a scan script.
+ */
+ ERREXIT(cinfo, JERR_NO_LOSSLESS_SCRIPT);
+#endif
+ } else {
+ cinfo->process = JPROC_SEQUENTIAL;
+ cinfo->Ss = 0;
+ cinfo->Se = DCTSIZE2-1;
+ cinfo->Ah = 0;
+ cinfo->Al = 0;
+ }
}
}
{
int ci, mcublks, tmp;
jpeg_component_info *compptr;
+ int data_unit = cinfo->data_unit;
if (cinfo->comps_in_scan == 1) {
compptr = cinfo->cur_comp_info[0];
/* Overall image size in MCUs */
- cinfo->MCUs_per_row = compptr->width_in_blocks;
- cinfo->MCU_rows_in_scan = compptr->height_in_blocks;
+ cinfo->MCUs_per_row = compptr->width_in_data_units;
+ cinfo->MCU_rows_in_scan = compptr->height_in_data_units;
/* For noninterleaved scan, always one block per MCU */
compptr->MCU_width = 1;
compptr->MCU_height = 1;
- compptr->MCU_blocks = 1;
- compptr->MCU_sample_width = DCTSIZE;
+ compptr->MCU_data_units = 1;
+ compptr->MCU_sample_width = data_unit;
compptr->last_col_width = 1;
/* For noninterleaved scans, it is convenient to define last_row_height
* as the number of block rows present in the last iMCU row.
*/
- tmp = (int) (compptr->height_in_blocks % compptr->v_samp_factor);
+ tmp = (int) (compptr->height_in_data_units % compptr->v_samp_factor);
if (tmp == 0) tmp = compptr->v_samp_factor;
compptr->last_row_height = tmp;
/* Prepare array describing MCU composition */
- cinfo->blocks_in_MCU = 1;
+ cinfo->data_units_in_MCU = 1;
cinfo->MCU_membership[0] = 0;
} else {
/* Interleaved (multi-component) scan */
if (cinfo->comps_in_scan <= 0 || cinfo->comps_in_scan > MAX_COMPS_IN_SCAN)
ERREXIT2(cinfo, JERR_COMPONENT_COUNT, cinfo->comps_in_scan,
- MAX_COMPS_IN_SCAN);
+ MAX_COMPS_IN_SCAN);
/* Overall image size in MCUs */
cinfo->MCUs_per_row = (JDIMENSION)
jdiv_round_up((long) cinfo->image_width,
- (long) (cinfo->max_h_samp_factor*DCTSIZE));
+ (long) (cinfo->max_h_samp_factor*data_unit));
cinfo->MCU_rows_in_scan = (JDIMENSION)
jdiv_round_up((long) cinfo->image_height,
- (long) (cinfo->max_v_samp_factor*DCTSIZE));
+ (long) (cinfo->max_v_samp_factor*data_unit));
- cinfo->blocks_in_MCU = 0;
+ cinfo->data_units_in_MCU = 0;
for (ci = 0; ci < cinfo->comps_in_scan; ci++) {
compptr = cinfo->cur_comp_info[ci];
/* Sampling factors give # of blocks of component in each MCU */
compptr->MCU_width = compptr->h_samp_factor;
compptr->MCU_height = compptr->v_samp_factor;
- compptr->MCU_blocks = compptr->MCU_width * compptr->MCU_height;
- compptr->MCU_sample_width = compptr->MCU_width * DCTSIZE;
+ compptr->MCU_data_units = compptr->MCU_width * compptr->MCU_height;
+ compptr->MCU_sample_width = compptr->MCU_width * data_unit;
/* Figure number of non-dummy blocks in last MCU column & row */
- tmp = (int) (compptr->width_in_blocks % compptr->MCU_width);
+ tmp = (int) (compptr->width_in_data_units % compptr->MCU_width);
if (tmp == 0) tmp = compptr->MCU_width;
compptr->last_col_width = tmp;
- tmp = (int) (compptr->height_in_blocks % compptr->MCU_height);
+ tmp = (int) (compptr->height_in_data_units % compptr->MCU_height);
if (tmp == 0) tmp = compptr->MCU_height;
compptr->last_row_height = tmp;
/* Prepare array describing MCU composition */
- mcublks = compptr->MCU_blocks;
- if (cinfo->blocks_in_MCU + mcublks > C_MAX_BLOCKS_IN_MCU)
- ERREXIT(cinfo, JERR_BAD_MCU_SIZE);
+ mcublks = compptr->MCU_data_units;
+ if (cinfo->data_units_in_MCU + mcublks > C_MAX_DATA_UNITS_IN_MCU)
+ ERREXIT(cinfo, JERR_BAD_MCU_SIZE);
while (mcublks-- > 0) {
- cinfo->MCU_membership[cinfo->blocks_in_MCU++] = ci;
+ cinfo->MCU_membership[cinfo->data_units_in_MCU++] = ci;
}
}
METHODDEF(void)
prepare_for_pass (j_compress_ptr cinfo)
{
+ /* j_lossy_c_ptr lossyc = (j_lossy_c_ptr) cinfo->codec; */
my_master_ptr master = (my_master_ptr) cinfo->master;
switch (master->pass_type) {
(*cinfo->downsample->start_pass) (cinfo);
(*cinfo->prep->start_pass) (cinfo, JBUF_PASS_THRU);
}
- (*cinfo->fdct->start_pass) (cinfo);
- (*cinfo->entropy->start_pass) (cinfo, cinfo->optimize_coding);
- (*cinfo->coef->start_pass) (cinfo,
- (master->total_passes > 1 ?
- JBUF_SAVE_AND_PASS : JBUF_PASS_THRU));
+ (*cinfo->codec->entropy_start_pass) (cinfo, cinfo->optimize_coding);
+ (*cinfo->codec->start_pass) (cinfo,
+ (master->total_passes > 1 ?
+ JBUF_SAVE_AND_PASS : JBUF_PASS_THRU));
(*cinfo->main->start_pass) (cinfo, JBUF_PASS_THRU);
if (cinfo->optimize_coding) {
/* No immediate data output; postpone writing frame/scan headers */
/* Do Huffman optimization for a scan after the first one. */
select_scan_parameters(cinfo);
per_scan_setup(cinfo);
- if (cinfo->Ss != 0 || cinfo->Ah == 0 || cinfo->arith_code) {
- (*cinfo->entropy->start_pass) (cinfo, TRUE);
- (*cinfo->coef->start_pass) (cinfo, JBUF_CRANK_DEST);
+ if ((*cinfo->codec->need_optimization_pass) (cinfo)) {
+ (*cinfo->codec->entropy_start_pass) (cinfo, TRUE);
+ (*cinfo->codec->start_pass) (cinfo, JBUF_CRANK_DEST);
master->pub.call_pass_startup = FALSE;
break;
}
select_scan_parameters(cinfo);
per_scan_setup(cinfo);
}
- (*cinfo->entropy->start_pass) (cinfo, FALSE);
- (*cinfo->coef->start_pass) (cinfo, JBUF_CRANK_DEST);
+ (*cinfo->codec->entropy_start_pass) (cinfo, FALSE);
+ (*cinfo->codec->start_pass) (cinfo, JBUF_CRANK_DEST);
/* We emit frame/scan headers now */
if (master->scan_number == 0)
(*cinfo->marker->write_frame_header) (cinfo);
METHODDEF(void)
finish_pass_master (j_compress_ptr cinfo)
{
+ j_lossy_c_ptr lossyc = (j_lossy_c_ptr) cinfo->codec;
my_master_ptr master = (my_master_ptr) cinfo->master;
/* The entropy coder always needs an end-of-pass call,
* either to analyze statistics or to flush its output buffer.
*/
- (*cinfo->entropy->finish_pass) (cinfo);
+ (*lossyc->pub.entropy_finish_pass) (cinfo);
/* Update state for next pass */
switch (master->pass_type) {
master = (my_master_ptr)
(*cinfo->mem->alloc_small) ((j_common_ptr) cinfo, JPOOL_IMAGE,
- SIZEOF(my_comp_master));
+ SIZEOF(my_comp_master));
cinfo->master = (struct jpeg_comp_master *) master;
master->pub.prepare_for_pass = prepare_for_pass;
master->pub.pass_startup = pass_startup;
master->pub.finish_pass = finish_pass_master;
master->pub.is_last_pass = FALSE;
+ cinfo->data_unit = cinfo->lossless ? 1 : DCTSIZE;
+
/* Validate parameters, determine derived values */
initial_setup(cinfo);
if (cinfo->scan_info != NULL) {
-#ifdef C_MULTISCAN_FILES_SUPPORTED
+#ifdef NEED_SCAN_SCRIPT
validate_script(cinfo);
#else
ERREXIT(cinfo, JERR_NOT_COMPILED);
#endif
} else {
- cinfo->progressive_mode = FALSE;
+ cinfo->process = JPROC_SEQUENTIAL;
cinfo->num_scans = 1;
}
- if (cinfo->progressive_mode) /* TEMPORARY HACK ??? */
- cinfo->optimize_coding = TRUE; /* assume default tables no good for progressive mode */
+ if ((cinfo->arith_code == 0) &&
+ (cinfo->process == JPROC_PROGRESSIVE || /* TEMPORARY HACK ??? */
+ cinfo->process == JPROC_LOSSLESS))
+ cinfo->optimize_coding = TRUE; /* assume default tables no good for
+ * progressive mode or lossless mode */
/* Initialize my private state */
if (transcode_only) {
git://git.creatis.insa-lyon.fr / gdcm.git / blobdiff