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Unified Diff: jdapimin.c

Issue 1934113002: Update libjpeg_turbo to 1.4.90 from https://github.com/libjpeg-turbo/ (Closed) Base URL: https://chromium.googlesource.com/chromium/deps/libjpeg_turbo.git@master
Patch Set: Created 4 years, 8 months ago
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Index: jdapimin.c
diff --git a/jdapimin.c b/jdapimin.c
index cadb59fce3aa1cc239e86c592774cc500e109613..f80a14667fc8ea7c4bbeebe18ba09980482dc882 100644
--- a/jdapimin.c
+++ b/jdapimin.c
@@ -1,9 +1,12 @@
/*
* jdapimin.c
*
+ * This file was part of the Independent JPEG Group's software:
* Copyright (C) 1994-1998, 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.
+ * libjpeg-turbo Modifications:
+ * Copyright (C) 2016, D. R. Commander.
+ * For conditions of distribution and use, see the accompanying README.ijg
+ * file.
*
* This file contains application interface code for the decompression half
* of the JPEG library. These are the "minimum" API routines that may be
@@ -19,6 +22,7 @@
#define JPEG_INTERNALS
#include "jinclude.h"
#include "jpeglib.h"
+#include "jdmaster.h"
/*
@@ -32,12 +36,12 @@ jpeg_CreateDecompress (j_decompress_ptr cinfo, int version, size_t structsize)
int i;
/* Guard against version mismatches between library and caller. */
- cinfo->mem = NULL; /* so jpeg_destroy knows mem mgr not called */
+ cinfo->mem = NULL; /* so jpeg_destroy knows mem mgr not called */
if (version != JPEG_LIB_VERSION)
ERREXIT2(cinfo, JERR_BAD_LIB_VERSION, JPEG_LIB_VERSION, version);
- if (structsize != SIZEOF(struct jpeg_decompress_struct))
- ERREXIT2(cinfo, JERR_BAD_STRUCT_SIZE,
- (int) SIZEOF(struct jpeg_decompress_struct), (int) structsize);
+ if (structsize != sizeof(struct jpeg_decompress_struct))
+ ERREXIT2(cinfo, JERR_BAD_STRUCT_SIZE,
+ (int) sizeof(struct jpeg_decompress_struct), (int) structsize);
/* For debugging purposes, we zero the whole master structure.
* But the application has already set the err pointer, and may have set
@@ -48,7 +52,7 @@ jpeg_CreateDecompress (j_decompress_ptr cinfo, int version, size_t structsize)
{
struct jpeg_error_mgr * err = cinfo->err;
void * client_data = cinfo->client_data; /* ignore Purify complaint here */
- MEMZERO(cinfo, SIZEOF(struct jpeg_decompress_struct));
+ MEMZERO(cinfo, sizeof(struct jpeg_decompress_struct));
cinfo->err = err;
cinfo->client_data = client_data;
}
@@ -80,6 +84,14 @@ jpeg_CreateDecompress (j_decompress_ptr cinfo, int version, size_t structsize)
/* OK, I'm ready */
cinfo->global_state = DSTATE_START;
+
+ /* The master struct is used to store extension parameters, so we allocate it
+ * here.
+ */
+ cinfo->master = (struct jpeg_decomp_master *)
+ (*cinfo->mem->alloc_small) ((j_common_ptr) cinfo, JPOOL_PERMANENT,
+ sizeof(my_decomp_master));
+ MEMZERO(cinfo->master, sizeof(my_decomp_master));
}
@@ -121,22 +133,22 @@ default_decompress_parms (j_decompress_ptr cinfo)
cinfo->jpeg_color_space = JCS_GRAYSCALE;
cinfo->out_color_space = JCS_GRAYSCALE;
break;
-
+
case 3:
if (cinfo->saw_JFIF_marker) {
cinfo->jpeg_color_space = JCS_YCbCr; /* JFIF implies YCbCr */
} else if (cinfo->saw_Adobe_marker) {
switch (cinfo->Adobe_transform) {
case 0:
- cinfo->jpeg_color_space = JCS_RGB;
- break;
+ cinfo->jpeg_color_space = JCS_RGB;
+ break;
case 1:
- cinfo->jpeg_color_space = JCS_YCbCr;
- break;
+ cinfo->jpeg_color_space = JCS_YCbCr;
+ break;
default:
- WARNMS1(cinfo, JWRN_ADOBE_XFORM, cinfo->Adobe_transform);
- cinfo->jpeg_color_space = JCS_YCbCr; /* assume it's YCbCr */
- break;
+ WARNMS1(cinfo, JWRN_ADOBE_XFORM, cinfo->Adobe_transform);
+ cinfo->jpeg_color_space = JCS_YCbCr; /* assume it's YCbCr */
+ break;
}
} else {
/* Saw no special markers, try to guess from the component IDs */
@@ -145,31 +157,31 @@ default_decompress_parms (j_decompress_ptr cinfo)
int cid2 = cinfo->comp_info[2].component_id;
if (cid0 == 1 && cid1 == 2 && cid2 == 3)
- cinfo->jpeg_color_space = JCS_YCbCr; /* assume JFIF w/out marker */
+ cinfo->jpeg_color_space = JCS_YCbCr; /* assume JFIF w/out marker */
else if (cid0 == 82 && cid1 == 71 && cid2 == 66)
- cinfo->jpeg_color_space = JCS_RGB; /* ASCII 'R', 'G', 'B' */
+ cinfo->jpeg_color_space = JCS_RGB; /* ASCII 'R', 'G', 'B' */
else {
- TRACEMS3(cinfo, 1, JTRC_UNKNOWN_IDS, cid0, cid1, cid2);
- cinfo->jpeg_color_space = JCS_YCbCr; /* assume it's YCbCr */
+ TRACEMS3(cinfo, 1, JTRC_UNKNOWN_IDS, cid0, cid1, cid2);
+ cinfo->jpeg_color_space = JCS_YCbCr; /* assume it's YCbCr */
}
}
/* Always guess RGB is proper output colorspace. */
cinfo->out_color_space = JCS_RGB;
break;
-
+
case 4:
if (cinfo->saw_Adobe_marker) {
switch (cinfo->Adobe_transform) {
case 0:
- cinfo->jpeg_color_space = JCS_CMYK;
- break;
+ cinfo->jpeg_color_space = JCS_CMYK;
+ break;
case 2:
- cinfo->jpeg_color_space = JCS_YCCK;
- break;
+ cinfo->jpeg_color_space = JCS_YCCK;
+ break;
default:
- WARNMS1(cinfo, JWRN_ADOBE_XFORM, cinfo->Adobe_transform);
- cinfo->jpeg_color_space = JCS_YCCK; /* assume it's YCCK */
- break;
+ WARNMS1(cinfo, JWRN_ADOBE_XFORM, cinfo->Adobe_transform);
+ cinfo->jpeg_color_space = JCS_YCCK; /* assume it's YCCK */
+ break;
}
} else {
/* No special markers, assume straight CMYK. */
@@ -177,7 +189,7 @@ default_decompress_parms (j_decompress_ptr cinfo)
}
cinfo->out_color_space = JCS_CMYK;
break;
-
+
default:
cinfo->jpeg_color_space = JCS_UNKNOWN;
cinfo->out_color_space = JCS_UNKNOWN;
@@ -185,7 +197,7 @@ default_decompress_parms (j_decompress_ptr cinfo)
}
/* Set defaults for other decompression parameters. */
- cinfo->scale_num = 1; /* 1:1 scaling */
+ cinfo->scale_num = 1; /* 1:1 scaling */
cinfo->scale_denom = 1;
cinfo->output_gamma = 1.0;
cinfo->buffered_image = FALSE;
@@ -253,7 +265,7 @@ jpeg_read_header (j_decompress_ptr cinfo, boolean require_image)
retcode = JPEG_HEADER_OK;
break;
case JPEG_REACHED_EOI:
- if (require_image) /* Complain if application wanted an image */
+ if (require_image) /* Complain if application wanted an image */
ERREXIT(cinfo, JERR_NO_IMAGE);
/* Reset to start state; it would be safer to require the application to
* call jpeg_abort, but we can't change it now for compatibility reasons.
@@ -385,7 +397,7 @@ jpeg_finish_decompress (j_decompress_ptr cinfo)
/* Read until EOI */
while (! cinfo->inputctl->eoi_reached) {
if ((*cinfo->inputctl->consume_input) (cinfo) == JPEG_SUSPENDED)
- return FALSE; /* Suspend, come back later */
+ return FALSE; /* Suspend, come back later */
}
/* Do final cleanup */
(*cinfo->src->term_source) (cinfo);

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