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Unified Diff: jpegtran.c

Issue 1953443002: Update to libjpeg_turbo 1.4.90 (Closed) Base URL: https://chromium.googlesource.com/chromium/deps/libjpeg_turbo.git@master
Patch Set: Created 4 years, 7 months ago
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Index: jpegtran.c
diff --git a/jpegtran.c b/jpegtran.c
index 54c8eceb613a51812746c38369df25909890b553..c44f21e40a1b7aa2bdd0a45552bdf953f0a74cea 100644
--- a/jpegtran.c
+++ b/jpegtran.c
@@ -4,8 +4,9 @@
* This file was part of the Independent JPEG Group's software:
* Copyright (C) 1995-2010, Thomas G. Lane, Guido Vollbeding.
* libjpeg-turbo Modifications:
- * Copyright (C) 2010, D. R. Commander.
- * For conditions of distribution and use, see the accompanying README file.
+ * Copyright (C) 2010, 2014, D. R. Commander.
+ * For conditions of distribution and use, see the accompanying README.ijg
+ * file.
*
* This file contains a command-line user interface for JPEG transcoding.
* It is very similar to cjpeg.c, and partly to djpeg.c, but provides
@@ -13,18 +14,18 @@
* provides some lossless and sort-of-lossless transformations of JPEG data.
*/
-#include "cdjpeg.h" /* Common decls for cjpeg/djpeg applications */
-#include "transupp.h" /* Support routines for jpegtran */
-#include "jversion.h" /* for version message */
-#include "config.h"
+#include "cdjpeg.h" /* Common decls for cjpeg/djpeg applications */
+#include "transupp.h" /* Support routines for jpegtran */
+#include "jversion.h" /* for version message */
+#include "jconfigint.h"
-#ifdef USE_CCOMMAND /* command-line reader for Macintosh */
+#ifdef USE_CCOMMAND /* command-line reader for Macintosh */
#ifdef __MWERKS__
#include <SIOUX.h> /* Metrowerks needs this */
-#include <console.h> /* ... and this */
+#include <console.h> /* ... and this */
#endif
#ifdef THINK_C
-#include <console.h> /* Think declares it here */
+#include <console.h> /* Think declares it here */
#endif
#endif
@@ -38,9 +39,9 @@
*/
-static const char * progname; /* program name for error messages */
-static char * outfilename; /* for -outfile switch */
-static JCOPY_OPTION copyoption; /* -copy switch */
+static const char *progname; /* program name for error messages */
+static char *outfilename; /* for -outfile switch */
+static JCOPY_OPTION copyoption; /* -copy switch */
static jpeg_transform_info transformoption; /* image transformation options */
@@ -86,6 +87,7 @@ usage (void)
fprintf(stderr, " -maxmemory N Maximum memory to use (in kbytes)\n");
fprintf(stderr, " -outfile name Specify name for output file\n");
fprintf(stderr, " -verbose or -debug Emit debug output\n");
+ fprintf(stderr, " -version Print version information and exit\n");
fprintf(stderr, "Switches for wizards:\n");
#ifdef C_MULTISCAN_FILES_SUPPORTED
fprintf(stderr, " -scans file Create multi-scan JPEG per script file\n");
@@ -106,12 +108,12 @@ select_transform (JXFORM_CODE transform)
transformoption.transform = transform;
} else {
fprintf(stderr, "%s: can only do one image transformation at a time\n",
- progname);
+ progname);
usage();
}
#else
fprintf(stderr, "%s: sorry, image transformation was not compiled\n",
- progname);
+ progname);
exit(EXIT_FAILURE);
#endif
}
@@ -119,7 +121,7 @@ select_transform (JXFORM_CODE transform)
LOCAL(int)
parse_switches (j_compress_ptr cinfo, int argc, char **argv,
- int last_file_arg_seen, boolean for_real)
+ int last_file_arg_seen, boolean for_real)
/* Parse optional switches.
* Returns argv[] index of first file-name argument (== argc if none).
* Any file names with indexes <= last_file_arg_seen are ignored;
@@ -130,9 +132,9 @@ parse_switches (j_compress_ptr cinfo, int argc, char **argv,
*/
{
int argn;
- char * arg;
+ char *arg;
boolean simple_progressive;
- char * scansarg = NULL; /* saves -scans parm if any */
+ char *scansarg = NULL; /* saves -scans parm if any */
/* Set up default JPEG parameters. */
simple_progressive = FALSE;
@@ -153,12 +155,12 @@ parse_switches (j_compress_ptr cinfo, int argc, char **argv,
if (*arg != '-') {
/* Not a switch, must be a file name argument */
if (argn <= last_file_arg_seen) {
- outfilename = NULL; /* -outfile applies to just one input file */
- continue; /* ignore this name if previously processed */
+ outfilename = NULL; /* -outfile applies to just one input file */
+ continue; /* ignore this name if previously processed */
}
- break; /* else done parsing switches */
+ break; /* else done parsing switches */
}
- arg++; /* advance past switch marker character */
+ arg++; /* advance past switch marker character */
if (keymatch(arg, "arithmetic", 1)) {
/* Use arithmetic coding. */
@@ -166,35 +168,35 @@ parse_switches (j_compress_ptr cinfo, int argc, char **argv,
cinfo->arith_code = TRUE;
#else
fprintf(stderr, "%s: sorry, arithmetic coding not supported\n",
- progname);
+ progname);
exit(EXIT_FAILURE);
#endif
} else if (keymatch(arg, "copy", 2)) {
/* Select which extra markers to copy. */
- if (++argn >= argc) /* advance to next argument */
- usage();
+ if (++argn >= argc) /* advance to next argument */
+ usage();
if (keymatch(argv[argn], "none", 1)) {
- copyoption = JCOPYOPT_NONE;
+ copyoption = JCOPYOPT_NONE;
} else if (keymatch(argv[argn], "comments", 1)) {
- copyoption = JCOPYOPT_COMMENTS;
+ copyoption = JCOPYOPT_COMMENTS;
} else if (keymatch(argv[argn], "all", 1)) {
- copyoption = JCOPYOPT_ALL;
+ copyoption = JCOPYOPT_ALL;
} else
- usage();
+ usage();
} else if (keymatch(arg, "crop", 2)) {
/* Perform lossless cropping. */
#if TRANSFORMS_SUPPORTED
- if (++argn >= argc) /* advance to next argument */
- usage();
+ if (++argn >= argc) /* advance to next argument */
+ usage();
if (! jtransform_parse_crop_spec(&transformoption, argv[argn])) {
- fprintf(stderr, "%s: bogus -crop argument '%s'\n",
- progname, argv[argn]);
- exit(EXIT_FAILURE);
+ fprintf(stderr, "%s: bogus -crop argument '%s'\n",
+ progname, argv[argn]);
+ exit(EXIT_FAILURE);
}
#else
- select_transform(JXFORM_NONE); /* force an error */
+ select_transform(JXFORM_NONE); /* force an error */
#endif
} else if (keymatch(arg, "debug", 1) || keymatch(arg, "verbose", 1)) {
@@ -203,32 +205,37 @@ parse_switches (j_compress_ptr cinfo, int argc, char **argv,
static boolean printed_version = FALSE;
if (! printed_version) {
- fprintf(stderr, "%s version %s (build %s)\n",
- PACKAGE_NAME, VERSION, BUILD);
- fprintf(stderr, "%s\n\n", JCOPYRIGHT);
- fprintf(stderr, "Emulating The Independent JPEG Group's software, version %s\n\n",
- JVERSION);
- printed_version = TRUE;
+ fprintf(stderr, "%s version %s (build %s)\n",
+ PACKAGE_NAME, VERSION, BUILD);
+ fprintf(stderr, "%s\n\n", JCOPYRIGHT);
+ fprintf(stderr, "Emulating The Independent JPEG Group's software, version %s\n\n",
+ JVERSION);
+ printed_version = TRUE;
}
cinfo->err->trace_level++;
+ } else if (keymatch(arg, "version", 4)) {
+ fprintf(stderr, "%s version %s (build %s)\n",
+ PACKAGE_NAME, VERSION, BUILD);
+ exit(EXIT_SUCCESS);
+
} else if (keymatch(arg, "flip", 1)) {
/* Mirror left-right or top-bottom. */
- if (++argn >= argc) /* advance to next argument */
- usage();
+ if (++argn >= argc) /* advance to next argument */
+ usage();
if (keymatch(argv[argn], "horizontal", 1))
- select_transform(JXFORM_FLIP_H);
+ select_transform(JXFORM_FLIP_H);
else if (keymatch(argv[argn], "vertical", 1))
- select_transform(JXFORM_FLIP_V);
+ select_transform(JXFORM_FLIP_V);
else
- usage();
+ usage();
} else if (keymatch(arg, "grayscale", 1) || keymatch(arg, "greyscale",1)) {
/* Force to grayscale. */
#if TRANSFORMS_SUPPORTED
transformoption.force_grayscale = TRUE;
#else
- select_transform(JXFORM_NONE); /* force an error */
+ select_transform(JXFORM_NONE); /* force an error */
#endif
} else if (keymatch(arg, "maxmemory", 3)) {
@@ -236,12 +243,12 @@ parse_switches (j_compress_ptr cinfo, int argc, char **argv,
long lval;
char ch = 'x';
- if (++argn >= argc) /* advance to next argument */
- usage();
+ if (++argn >= argc) /* advance to next argument */
+ usage();
if (sscanf(argv[argn], "%ld%c", &lval, &ch) < 1)
- usage();
+ usage();
if (ch == 'm' || ch == 'M')
- lval *= 1000L;
+ lval *= 1000L;
cinfo->mem->max_memory_to_use = lval * 1000L;
} else if (keymatch(arg, "optimize", 1) || keymatch(arg, "optimise", 1)) {
@@ -250,15 +257,15 @@ parse_switches (j_compress_ptr cinfo, int argc, char **argv,
cinfo->optimize_coding = TRUE;
#else
fprintf(stderr, "%s: sorry, entropy optimization was not compiled\n",
- progname);
+ progname);
exit(EXIT_FAILURE);
#endif
} else if (keymatch(arg, "outfile", 4)) {
/* Set output file name. */
- if (++argn >= argc) /* advance to next argument */
- usage();
- outfilename = argv[argn]; /* save it away for later use */
+ if (++argn >= argc) /* advance to next argument */
+ usage();
+ outfilename = argv[argn]; /* save it away for later use */
} else if (keymatch(arg, "perfect", 2)) {
/* Fail if there is any partial edge MCUs that the transform can't
@@ -272,7 +279,7 @@ parse_switches (j_compress_ptr cinfo, int argc, char **argv,
/* We must postpone execution until num_components is known. */
#else
fprintf(stderr, "%s: sorry, progressive output was not compiled\n",
- progname);
+ progname);
exit(EXIT_FAILURE);
#endif
@@ -281,43 +288,43 @@ parse_switches (j_compress_ptr cinfo, int argc, char **argv,
long lval;
char ch = 'x';
- if (++argn >= argc) /* advance to next argument */
- usage();
+ if (++argn >= argc) /* advance to next argument */
+ usage();
if (sscanf(argv[argn], "%ld%c", &lval, &ch) < 1)
- usage();
+ usage();
if (lval < 0 || lval > 65535L)
- usage();
+ usage();
if (ch == 'b' || ch == 'B') {
- cinfo->restart_interval = (unsigned int) lval;
- cinfo->restart_in_rows = 0; /* else prior '-restart n' overrides me */
+ cinfo->restart_interval = (unsigned int) lval;
+ cinfo->restart_in_rows = 0; /* else prior '-restart n' overrides me */
} else {
- cinfo->restart_in_rows = (int) lval;
- /* restart_interval will be computed during startup */
+ cinfo->restart_in_rows = (int) lval;
+ /* restart_interval will be computed during startup */
}
} else if (keymatch(arg, "rotate", 2)) {
/* Rotate 90, 180, or 270 degrees (measured clockwise). */
- if (++argn >= argc) /* advance to next argument */
- usage();
+ if (++argn >= argc) /* advance to next argument */
+ usage();
if (keymatch(argv[argn], "90", 2))
- select_transform(JXFORM_ROT_90);
+ select_transform(JXFORM_ROT_90);
else if (keymatch(argv[argn], "180", 3))
- select_transform(JXFORM_ROT_180);
+ select_transform(JXFORM_ROT_180);
else if (keymatch(argv[argn], "270", 3))
- select_transform(JXFORM_ROT_270);
+ select_transform(JXFORM_ROT_270);
else
- usage();
+ usage();
} else if (keymatch(arg, "scans", 1)) {
/* Set scan script. */
#ifdef C_MULTISCAN_FILES_SUPPORTED
- if (++argn >= argc) /* advance to next argument */
- usage();
+ if (++argn >= argc) /* advance to next argument */
+ usage();
scansarg = argv[argn];
/* We must postpone reading the file in case -progressive appears. */
#else
fprintf(stderr, "%s: sorry, multi-scan output was not compiled\n",
- progname);
+ progname);
exit(EXIT_FAILURE);
#endif
@@ -334,7 +341,7 @@ parse_switches (j_compress_ptr cinfo, int argc, char **argv,
transformoption.trim = TRUE;
} else {
- usage(); /* bogus switch */
+ usage(); /* bogus switch */
}
}
@@ -343,18 +350,18 @@ parse_switches (j_compress_ptr cinfo, int argc, char **argv,
if (for_real) {
#ifdef C_PROGRESSIVE_SUPPORTED
- if (simple_progressive) /* process -progressive; -scans can override */
+ if (simple_progressive) /* process -progressive; -scans can override */
jpeg_simple_progression(cinfo);
#endif
#ifdef C_MULTISCAN_FILES_SUPPORTED
- if (scansarg != NULL) /* process -scans if it was present */
+ if (scansarg != NULL) /* process -scans if it was present */
if (! read_scan_script(cinfo, scansarg))
- usage();
+ usage();
#endif
}
- return argn; /* return index of next arg (file name) */
+ return argn; /* return index of next arg (file name) */
}
@@ -371,13 +378,13 @@ main (int argc, char **argv)
#ifdef PROGRESS_REPORT
struct cdjpeg_progress_mgr progress;
#endif
- jvirt_barray_ptr * src_coef_arrays;
- jvirt_barray_ptr * dst_coef_arrays;
+ jvirt_barray_ptr *src_coef_arrays;
+ jvirt_barray_ptr *dst_coef_arrays;
int file_index;
/* We assume all-in-memory processing and can therefore use only a
- * single file pointer for sequential input and output operation.
+ * single file pointer for sequential input and output operation.
*/
- FILE * fp;
+ FILE *fp;
/* On Mac, fetch a command line. */
#ifdef USE_CCOMMAND
@@ -386,7 +393,7 @@ main (int argc, char **argv)
progname = argv[0];
if (progname == NULL || progname[0] == 0)
- progname = "jpegtran"; /* in case C library doesn't provide it */
+ progname = "jpegtran"; /* in case C library doesn't provide it */
/* Initialize the JPEG decompression object with default error handling. */
srcinfo.err = jpeg_std_error(&jsrcerr);
@@ -395,13 +402,6 @@ main (int argc, char **argv)
dstinfo.err = jpeg_std_error(&jdsterr);
jpeg_create_compress(&dstinfo);
- /* Now safe to enable signal catcher.
- * Note: we assume only the decompression object will have virtual arrays.
- */
-#ifdef NEED_SIGNAL_CATCHER
- enable_signal_catcher((j_common_ptr) &srcinfo);
-#endif
-
/* Scan command line to find file names.
* It is convenient to use just one switch-parsing routine, but the switch
* values read here are mostly ignored; we will rescan the switches after
@@ -419,14 +419,14 @@ main (int argc, char **argv)
if (outfilename == NULL) {
if (file_index != argc-2) {
fprintf(stderr, "%s: must name one input and one output file\n",
- progname);
+ progname);
usage();
}
outfilename = argv[file_index+1];
} else {
if (file_index != argc-1) {
fprintf(stderr, "%s: must name one input and one output file\n",
- progname);
+ progname);
usage();
}
}
@@ -485,8 +485,8 @@ main (int argc, char **argv)
*/
#if TRANSFORMS_SUPPORTED
dst_coef_arrays = jtransform_adjust_parameters(&srcinfo, &dstinfo,
- src_coef_arrays,
- &transformoption);
+ src_coef_arrays,
+ &transformoption);
#else
dst_coef_arrays = src_coef_arrays;
#endif
@@ -527,8 +527,8 @@ main (int argc, char **argv)
/* Execute image transformation, if any */
#if TRANSFORMS_SUPPORTED
jtransform_execute_transformation(&srcinfo, &dstinfo,
- src_coef_arrays,
- &transformoption);
+ src_coef_arrays,
+ &transformoption);
#endif
/* Finish compression and release memory */
@@ -547,5 +547,5 @@ main (int argc, char **argv)
/* All done. */
exit(jsrcerr.num_warnings + jdsterr.num_warnings ?EXIT_WARNING:EXIT_SUCCESS);
- return 0; /* suppress no-return-value warnings */
+ return 0; /* suppress no-return-value warnings */
}
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