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Diffstat (limited to '3rdparty/libjpeg/jdinput.c')
-rw-r--r--3rdparty/libjpeg/jdinput.c39
1 files changed, 17 insertions, 22 deletions
diff --git a/3rdparty/libjpeg/jdinput.c b/3rdparty/libjpeg/jdinput.c
index 0199553e896..29fbef90bfc 100644
--- a/3rdparty/libjpeg/jdinput.c
+++ b/3rdparty/libjpeg/jdinput.c
@@ -2,7 +2,7 @@
* jdinput.c
*
* Copyright (C) 1991-1997, Thomas G. Lane.
- * Modified 2002-2013 by Guido Vollbeding.
+ * Modified 2002-2020 by Guido Vollbeding.
* This file is part of the Independent JPEG Group's software.
* For conditions of distribution and use, see the accompanying README file.
*
@@ -330,7 +330,6 @@ initial_setup (j_decompress_ptr cinfo)
default:
ERREXIT4(cinfo, JERR_BAD_PROGRESSION,
cinfo->Ss, cinfo->Se, cinfo->Ah, cinfo->Al);
- break;
}
/* We initialize DCT_scaled_size and min_DCT_scaled_size to block_size.
@@ -391,16 +390,16 @@ per_scan_setup (j_decompress_ptr cinfo)
{
int ci, mcublks, tmp;
jpeg_component_info *compptr;
-
+
if (cinfo->comps_in_scan == 1) {
-
+
/* Noninterleaved (single-component) scan */
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;
-
+
/* For noninterleaved scan, always one block per MCU */
compptr->MCU_width = 1;
compptr->MCU_height = 1;
@@ -413,28 +412,26 @@ per_scan_setup (j_decompress_ptr cinfo)
tmp = (int) (compptr->height_in_blocks % 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->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);
-
+
/* Overall image size in MCUs */
cinfo->MCUs_per_row = (JDIMENSION)
jdiv_round_up((long) cinfo->image_width,
(long) (cinfo->max_h_samp_factor * cinfo->block_size));
- cinfo->MCU_rows_in_scan = (JDIMENSION)
- jdiv_round_up((long) cinfo->image_height,
- (long) (cinfo->max_v_samp_factor * cinfo->block_size));
-
+ cinfo->MCU_rows_in_scan = cinfo->total_iMCU_rows;
+
cinfo->blocks_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 */
@@ -457,7 +454,7 @@ per_scan_setup (j_decompress_ptr cinfo)
cinfo->MCU_membership[cinfo->blocks_in_MCU++] = ci;
}
}
-
+
}
}
@@ -501,9 +498,8 @@ latch_quant_tables (j_decompress_ptr cinfo)
cinfo->quant_tbl_ptrs[qtblno] == NULL)
ERREXIT1(cinfo, JERR_NO_QUANT_TABLE, qtblno);
/* OK, save away the quantization table */
- qtbl = (JQUANT_TBL *)
- (*cinfo->mem->alloc_small) ((j_common_ptr) cinfo, JPOOL_IMAGE,
- SIZEOF(JQUANT_TBL));
+ qtbl = (JQUANT_TBL *) (*cinfo->mem->alloc_small)
+ ((j_common_ptr) cinfo, JPOOL_IMAGE, SIZEOF(JQUANT_TBL));
MEMCOPY(qtbl, cinfo->quant_tbl_ptrs[qtblno], SIZEOF(JQUANT_TBL));
compptr->quant_table = qtbl;
}
@@ -644,9 +640,8 @@ jinit_input_controller (j_decompress_ptr cinfo)
my_inputctl_ptr inputctl;
/* Create subobject in permanent pool */
- inputctl = (my_inputctl_ptr)
- (*cinfo->mem->alloc_small) ((j_common_ptr) cinfo, JPOOL_PERMANENT,
- SIZEOF(my_input_controller));
+ inputctl = (my_inputctl_ptr) (*cinfo->mem->alloc_small)
+ ((j_common_ptr) cinfo, JPOOL_PERMANENT, SIZEOF(my_input_controller));
cinfo->inputctl = &inputctl->pub;
/* Initialize method pointers */
inputctl->pub.consume_input = consume_markers;