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Diffstat (limited to 'src/3rdparty/libjpeg/src/jcmaster.c')
-rw-r--r--src/3rdparty/libjpeg/src/jcmaster.c135
1 files changed, 68 insertions, 67 deletions
diff --git a/src/3rdparty/libjpeg/src/jcmaster.c b/src/3rdparty/libjpeg/src/jcmaster.c
index 03a8b40ea9..93b3de6826 100644
--- a/src/3rdparty/libjpeg/src/jcmaster.c
+++ b/src/3rdparty/libjpeg/src/jcmaster.c
@@ -5,7 +5,7 @@
* Copyright (C) 1991-1997, Thomas G. Lane.
* Modified 2003-2010 by Guido Vollbeding.
* libjpeg-turbo Modifications:
- * Copyright (C) 2010, 2016, D. R. Commander.
+ * Copyright (C) 2010, 2016, 2018, D. R. Commander.
* For conditions of distribution and use, see the accompanying README.ijg
* file.
*
@@ -25,9 +25,9 @@
/* 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 {
@@ -66,7 +66,7 @@ typedef my_comp_master *my_master_ptr;
*/
GLOBAL(void)
-jpeg_calc_jpeg_dimensions (j_compress_ptr cinfo)
+jpeg_calc_jpeg_dimensions(j_compress_ptr cinfo)
/* Do computations that are needed before master selection phase */
{
/* Hardwire it to "no scaling" */
@@ -79,7 +79,7 @@ jpeg_calc_jpeg_dimensions (j_compress_ptr cinfo)
LOCAL(void)
-initial_setup (j_compress_ptr cinfo, boolean transcode_only)
+initial_setup(j_compress_ptr cinfo, boolean transcode_only)
/* Do computations that are needed before master selection phase */
{
int ci;
@@ -95,19 +95,19 @@ initial_setup (j_compress_ptr cinfo, boolean transcode_only)
#endif
/* Sanity check on image dimensions */
- if (cinfo->_jpeg_height <= 0 || cinfo->_jpeg_width <= 0
- || cinfo->num_components <= 0 || cinfo->input_components <= 0)
+ if (cinfo->_jpeg_height <= 0 || cinfo->_jpeg_width <= 0 ||
+ cinfo->num_components <= 0 || cinfo->input_components <= 0)
ERREXIT(cinfo, JERR_EMPTY_IMAGE);
/* Make sure image isn't bigger than I can handle */
- if ((long) cinfo->_jpeg_height > (long) JPEG_MAX_DIMENSION ||
- (long) cinfo->_jpeg_width > (long) JPEG_MAX_DIMENSION)
- ERREXIT1(cinfo, JERR_IMAGE_TOO_BIG, (unsigned int) JPEG_MAX_DIMENSION);
+ if ((long)cinfo->_jpeg_height > (long)JPEG_MAX_DIMENSION ||
+ (long)cinfo->_jpeg_width > (long)JPEG_MAX_DIMENSION)
+ ERREXIT1(cinfo, JERR_IMAGE_TOO_BIG, (unsigned int)JPEG_MAX_DIMENSION);
/* Width of an input scanline must be representable as JDIMENSION. */
- samplesperrow = (long) cinfo->image_width * (long) cinfo->input_components;
- jd_samplesperrow = (JDIMENSION) samplesperrow;
- if ((long) jd_samplesperrow != samplesperrow)
+ samplesperrow = (long)cinfo->image_width * (long)cinfo->input_components;
+ jd_samplesperrow = (JDIMENSION)samplesperrow;
+ if ((long)jd_samplesperrow != samplesperrow)
ERREXIT(cinfo, JERR_WIDTH_OVERFLOW);
/* For now, precision must match compiled-in value... */
@@ -124,8 +124,10 @@ initial_setup (j_compress_ptr cinfo, boolean transcode_only)
cinfo->max_v_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)
+ 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)
ERREXIT(cinfo, JERR_BAD_SAMPLING);
cinfo->max_h_samp_factor = MAX(cinfo->max_h_samp_factor,
compptr->h_samp_factor);
@@ -146,18 +148,18 @@ initial_setup (j_compress_ptr cinfo, boolean transcode_only)
#endif
/* Size in DCT blocks */
compptr->width_in_blocks = (JDIMENSION)
- jdiv_round_up((long) cinfo->_jpeg_width * (long) compptr->h_samp_factor,
- (long) (cinfo->max_h_samp_factor * DCTSIZE));
+ jdiv_round_up((long)cinfo->_jpeg_width * (long)compptr->h_samp_factor,
+ (long)(cinfo->max_h_samp_factor * DCTSIZE));
compptr->height_in_blocks = (JDIMENSION)
- jdiv_round_up((long) cinfo->_jpeg_height * (long) compptr->v_samp_factor,
- (long) (cinfo->max_v_samp_factor * DCTSIZE));
+ jdiv_round_up((long)cinfo->_jpeg_height * (long)compptr->v_samp_factor,
+ (long)(cinfo->max_v_samp_factor * DCTSIZE));
/* Size in samples */
compptr->downsampled_width = (JDIMENSION)
- jdiv_round_up((long) cinfo->_jpeg_width * (long) compptr->h_samp_factor,
- (long) cinfo->max_h_samp_factor);
+ jdiv_round_up((long)cinfo->_jpeg_width * (long)compptr->h_samp_factor,
+ (long)cinfo->max_h_samp_factor);
compptr->downsampled_height = (JDIMENSION)
- jdiv_round_up((long) cinfo->_jpeg_height * (long) compptr->v_samp_factor,
- (long) cinfo->max_v_samp_factor);
+ jdiv_round_up((long)cinfo->_jpeg_height * (long)compptr->v_samp_factor,
+ (long)cinfo->max_v_samp_factor);
/* Mark component needed (this flag isn't actually used for compression) */
compptr->component_needed = TRUE;
}
@@ -166,15 +168,15 @@ initial_setup (j_compress_ptr cinfo, boolean transcode_only)
* main controller will call coefficient controller).
*/
cinfo->total_iMCU_rows = (JDIMENSION)
- jdiv_round_up((long) cinfo->_jpeg_height,
- (long) (cinfo->max_v_samp_factor*DCTSIZE));
+ jdiv_round_up((long)cinfo->_jpeg_height,
+ (long)(cinfo->max_v_samp_factor * DCTSIZE));
}
#ifdef C_MULTISCAN_FILES_SUPPORTED
LOCAL(void)
-validate_script (j_compress_ptr cinfo)
+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.
*/
@@ -196,10 +198,10 @@ validate_script (j_compress_ptr cinfo)
* for progressive JPEG, no scan can have this.
*/
scanptr = cinfo->scan_info;
- if (scanptr->Ss != 0 || scanptr->Se != DCTSIZE2-1) {
+ if (scanptr->Ss != 0 || scanptr->Se != DCTSIZE2 - 1) {
#ifdef C_PROGRESSIVE_SUPPORTED
cinfo->progressive_mode = TRUE;
- last_bitpos_ptr = & last_bitpos[0][0];
+ 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;
@@ -222,7 +224,7 @@ validate_script (j_compress_ptr cinfo)
if (thisi < 0 || thisi >= cinfo->num_components)
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])
+ if (ci > 0 && thisi <= scanptr->component_index[ci - 1])
ERREXIT1(cinfo, JERR_BAD_SCAN_SCRIPT, scanno);
}
/* Validate progression parameters */
@@ -232,17 +234,17 @@ validate_script (j_compress_ptr cinfo)
Al = scanptr->Al;
if (cinfo->progressive_mode) {
#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.
- * Perhaps they really meant 0..N+1 for N-bit precision.
+ /* Rec. ITU-T T.81 | ISO/IEC 10918-1 simply gives the ranges 0..13 for Ah
+ * and Al, but that seems wrong: the upper bound ought to depend on data
+ * precision. Perhaps they really meant 0..N+1 for N-bit precision.
* Here we allow 0..10 for 8-bit data; Al larger than 10 results in
* out-of-range reconstructed DC values during the first DC scan,
* which might cause problems for some decoders.
*/
#if BITS_IN_JSAMPLE == 8
-#define MAX_AH_AL 10
+#define MAX_AH_AL 10
#else
-#define MAX_AH_AL 13
+#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)
@@ -255,7 +257,7 @@ validate_script (j_compress_ptr cinfo)
ERREXIT1(cinfo, JERR_BAD_PROG_SCRIPT, scanno);
}
for (ci = 0; ci < ncomps; ci++) {
- last_bitpos_ptr = & last_bitpos[scanptr->component_index[ci]][0];
+ 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++) {
@@ -265,7 +267,7 @@ validate_script (j_compress_ptr cinfo)
ERREXIT1(cinfo, JERR_BAD_PROG_SCRIPT, scanno);
} else {
/* not first scan */
- if (Ah != last_bitpos_ptr[coefi] || Al != Ah-1)
+ if (Ah != last_bitpos_ptr[coefi] || Al != Ah - 1)
ERREXIT1(cinfo, JERR_BAD_PROG_SCRIPT, scanno);
}
last_bitpos_ptr[coefi] = Al;
@@ -274,7 +276,7 @@ validate_script (j_compress_ptr cinfo)
#endif
} else {
/* For sequential JPEG, all progression parameters must be these: */
- if (Ss != 0 || Se != DCTSIZE2-1 || Ah != 0 || Al != 0)
+ if (Ss != 0 || Se != DCTSIZE2 - 1 || Ah != 0 || Al != 0)
ERREXIT1(cinfo, JERR_BAD_PROG_SCRIPT, scanno);
/* Make sure components are not sent twice */
for (ci = 0; ci < ncomps; ci++) {
@@ -301,7 +303,7 @@ validate_script (j_compress_ptr cinfo)
#endif
} else {
for (ci = 0; ci < cinfo->num_components; ci++) {
- if (! component_sent[ci])
+ if (!component_sent[ci])
ERREXIT(cinfo, JERR_MISSING_DATA);
}
}
@@ -311,7 +313,7 @@ validate_script (j_compress_ptr cinfo)
LOCAL(void)
-select_scan_parameters (j_compress_ptr cinfo)
+select_scan_parameters(j_compress_ptr cinfo)
/* Set up the scan parameters for the current scan */
{
int ci;
@@ -319,7 +321,7 @@ select_scan_parameters (j_compress_ptr cinfo)
#ifdef C_MULTISCAN_FILES_SUPPORTED
if (cinfo->scan_info != NULL) {
/* Prepare for current scan --- the script is already validated */
- my_master_ptr master = (my_master_ptr) cinfo->master;
+ my_master_ptr master = (my_master_ptr)cinfo->master;
const jpeg_scan_info *scanptr = cinfo->scan_info + master->scan_number;
cinfo->comps_in_scan = scanptr->comps_in_scan;
@@ -331,8 +333,7 @@ select_scan_parameters (j_compress_ptr cinfo)
cinfo->Se = scanptr->Se;
cinfo->Ah = scanptr->Ah;
cinfo->Al = scanptr->Al;
- }
- else
+ } else
#endif
{
/* Prepare for single sequential-JPEG scan containing all components */
@@ -344,7 +345,7 @@ select_scan_parameters (j_compress_ptr cinfo)
cinfo->cur_comp_info[ci] = &cinfo->comp_info[ci];
}
cinfo->Ss = 0;
- cinfo->Se = DCTSIZE2-1;
+ cinfo->Se = DCTSIZE2 - 1;
cinfo->Ah = 0;
cinfo->Al = 0;
}
@@ -352,7 +353,7 @@ select_scan_parameters (j_compress_ptr cinfo)
LOCAL(void)
-per_scan_setup (j_compress_ptr cinfo)
+per_scan_setup(j_compress_ptr cinfo)
/* Do computations that are needed before processing a JPEG scan */
/* cinfo->comps_in_scan and cinfo->cur_comp_info[] are already set */
{
@@ -377,7 +378,7 @@ per_scan_setup (j_compress_ptr cinfo)
/* 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_blocks % compptr->v_samp_factor);
if (tmp == 0) tmp = compptr->v_samp_factor;
compptr->last_row_height = tmp;
@@ -394,11 +395,11 @@ per_scan_setup (j_compress_ptr cinfo)
/* Overall image size in MCUs */
cinfo->MCUs_per_row = (JDIMENSION)
- jdiv_round_up((long) cinfo->_jpeg_width,
- (long) (cinfo->max_h_samp_factor*DCTSIZE));
+ jdiv_round_up((long)cinfo->_jpeg_width,
+ (long)(cinfo->max_h_samp_factor * DCTSIZE));
cinfo->MCU_rows_in_scan = (JDIMENSION)
- jdiv_round_up((long) cinfo->_jpeg_height,
- (long) (cinfo->max_v_samp_factor*DCTSIZE));
+ jdiv_round_up((long)cinfo->_jpeg_height,
+ (long)(cinfo->max_v_samp_factor * DCTSIZE));
cinfo->blocks_in_MCU = 0;
@@ -410,10 +411,10 @@ per_scan_setup (j_compress_ptr cinfo)
compptr->MCU_blocks = compptr->MCU_width * compptr->MCU_height;
compptr->MCU_sample_width = compptr->MCU_width * DCTSIZE;
/* 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_blocks % 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_blocks % compptr->MCU_height);
if (tmp == 0) tmp = compptr->MCU_height;
compptr->last_row_height = tmp;
/* Prepare array describing MCU composition */
@@ -430,8 +431,8 @@ per_scan_setup (j_compress_ptr cinfo)
/* Convert restart specified in rows to actual MCU count. */
/* Note that count must fit in 16 bits, so we provide limiting. */
if (cinfo->restart_in_rows > 0) {
- long nominal = (long) cinfo->restart_in_rows * (long) cinfo->MCUs_per_row;
- cinfo->restart_interval = (unsigned int) MIN(nominal, 65535L);
+ long nominal = (long)cinfo->restart_in_rows * (long)cinfo->MCUs_per_row;
+ cinfo->restart_interval = (unsigned int)MIN(nominal, 65535L);
}
}
@@ -445,9 +446,9 @@ per_scan_setup (j_compress_ptr cinfo)
*/
METHODDEF(void)
-prepare_for_pass (j_compress_ptr cinfo)
+prepare_for_pass(j_compress_ptr cinfo)
{
- my_master_ptr master = (my_master_ptr) cinfo->master;
+ my_master_ptr master = (my_master_ptr)cinfo->master;
switch (master->pass_type) {
case main_pass:
@@ -456,7 +457,7 @@ prepare_for_pass (j_compress_ptr cinfo)
*/
select_scan_parameters(cinfo);
per_scan_setup(cinfo);
- if (! cinfo->raw_data_in) {
+ if (!cinfo->raw_data_in) {
(*cinfo->cconvert->start_pass) (cinfo);
(*cinfo->downsample->start_pass) (cinfo);
(*cinfo->prep->start_pass) (cinfo, JBUF_PASS_THRU);
@@ -496,7 +497,7 @@ prepare_for_pass (j_compress_ptr cinfo)
case output_pass:
/* Do a data-output pass. */
/* We need not repeat per-scan setup if prior optimization pass did it. */
- if (! cinfo->optimize_coding) {
+ if (!cinfo->optimize_coding) {
select_scan_parameters(cinfo);
per_scan_setup(cinfo);
}
@@ -512,7 +513,7 @@ prepare_for_pass (j_compress_ptr cinfo)
ERREXIT(cinfo, JERR_NOT_COMPILED);
}
- master->pub.is_last_pass = (master->pass_number == master->total_passes-1);
+ master->pub.is_last_pass = (master->pass_number == master->total_passes - 1);
/* Set up progress monitor's pass info if present */
if (cinfo->progress != NULL) {
@@ -533,7 +534,7 @@ prepare_for_pass (j_compress_ptr cinfo)
*/
METHODDEF(void)
-pass_startup (j_compress_ptr cinfo)
+pass_startup(j_compress_ptr cinfo)
{
cinfo->master->call_pass_startup = FALSE; /* reset flag so call only once */
@@ -547,9 +548,9 @@ pass_startup (j_compress_ptr cinfo)
*/
METHODDEF(void)
-finish_pass_master (j_compress_ptr cinfo)
+finish_pass_master(j_compress_ptr cinfo)
{
- my_master_ptr master = (my_master_ptr) cinfo->master;
+ 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.
@@ -563,7 +564,7 @@ finish_pass_master (j_compress_ptr cinfo)
* or output of scan 1 (if no optimization).
*/
master->pass_type = output_pass;
- if (! cinfo->optimize_coding)
+ if (!cinfo->optimize_coding)
master->scan_number++;
break;
case huff_opt_pass:
@@ -587,14 +588,14 @@ finish_pass_master (j_compress_ptr cinfo)
*/
GLOBAL(void)
-jinit_c_master_control (j_compress_ptr cinfo, boolean transcode_only)
+jinit_c_master_control(j_compress_ptr cinfo, boolean transcode_only)
{
my_master_ptr master;
master = (my_master_ptr)
- (*cinfo->mem->alloc_small) ((j_common_ptr) cinfo, JPOOL_IMAGE,
- sizeof(my_comp_master));
- cinfo->master = (struct jpeg_comp_master *) master;
+ (*cinfo->mem->alloc_small) ((j_common_ptr)cinfo, JPOOL_IMAGE,
+ 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;