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Unified Diff: jdmainct.c

Issue 1939823002: Update to libjpeg_turbo 1.4.90 (Closed) Base URL: https://chromium.googlesource.com/chromium/deps/libjpeg_turbo.git@master
Patch Set: Response to comments Created 4 years, 7 months ago
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Index: jdmainct.c
diff --git a/jdmainct.c b/jdmainct.c
index 6bb8c2b0e9252ef8cb6a2c2e59259260159393d4..ebb069b0f4162e8e55e405ca0715017fed2dd8b2 100644
--- a/jdmainct.c
+++ b/jdmainct.c
@@ -4,8 +4,9 @@
* This file was part of the Independent JPEG Group's software:
* Copyright (C) 1994-1996, Thomas G. Lane.
* libjpeg-turbo Modifications:
- * Copyright (C) 2010, D. R. Commander.
- * For conditions of distribution and use, see the accompanying README file.
+ * Copyright (C) 2010, 2016, D. R. Commander.
+ * For conditions of distribution and use, see the accompanying README.ijg
+ * file.
*
* This file contains the main buffer controller for decompression.
* The main buffer lies between the JPEG decompressor proper and the
@@ -15,6 +16,7 @@
* supplies the equivalent of the main buffer in that case.
*/
+#include "jinclude.h"
#include "jdmainct.h"
@@ -111,15 +113,15 @@
/* Forward declarations */
METHODDEF(void) process_data_simple_main
- JPP((j_decompress_ptr cinfo, JSAMPARRAY output_buf,
- JDIMENSION *out_row_ctr, JDIMENSION out_rows_avail));
+ (j_decompress_ptr cinfo, JSAMPARRAY output_buf,
+ JDIMENSION *out_row_ctr, JDIMENSION out_rows_avail);
METHODDEF(void) process_data_context_main
- JPP((j_decompress_ptr cinfo, JSAMPARRAY output_buf,
- JDIMENSION *out_row_ctr, JDIMENSION out_rows_avail));
+ (j_decompress_ptr cinfo, JSAMPARRAY output_buf,
+ JDIMENSION *out_row_ctr, JDIMENSION out_rows_avail);
#ifdef QUANT_2PASS_SUPPORTED
METHODDEF(void) process_data_crank_post
- JPP((j_decompress_ptr cinfo, JSAMPARRAY output_buf,
- JDIMENSION *out_row_ctr, JDIMENSION out_rows_avail));
+ (j_decompress_ptr cinfo, JSAMPARRAY output_buf,
+ JDIMENSION *out_row_ctr, JDIMENSION out_rows_avail);
#endif
@@ -140,7 +142,7 @@ alloc_funny_pointers (j_decompress_ptr cinfo)
*/
main_ptr->xbuffer[0] = (JSAMPIMAGE)
(*cinfo->mem->alloc_small) ((j_common_ptr) cinfo, JPOOL_IMAGE,
- cinfo->num_components * 2 * SIZEOF(JSAMPARRAY));
+ cinfo->num_components * 2 * sizeof(JSAMPARRAY));
main_ptr->xbuffer[1] = main_ptr->xbuffer[0] + cinfo->num_components;
for (ci = 0, compptr = cinfo->comp_info; ci < cinfo->num_components;
@@ -152,8 +154,8 @@ alloc_funny_pointers (j_decompress_ptr cinfo)
*/
xbuf = (JSAMPARRAY)
(*cinfo->mem->alloc_small) ((j_common_ptr) cinfo, JPOOL_IMAGE,
- 2 * (rgroup * (M + 4)) * SIZEOF(JSAMPROW));
- xbuf += rgroup; /* want one row group at negative offsets */
+ 2 * (rgroup * (M + 4)) * sizeof(JSAMPROW));
+ xbuf += rgroup; /* want one row group at negative offsets */
main_ptr->xbuffer[0][ci] = xbuf;
xbuf += rgroup * (M + 4);
main_ptr->xbuffer[1][ci] = xbuf;
@@ -255,14 +257,14 @@ start_pass_main (j_decompress_ptr cinfo, J_BUF_MODE pass_mode)
if (cinfo->upsample->need_context_rows) {
main_ptr->pub.process_data = process_data_context_main;
make_funny_pointers(cinfo); /* Create the xbuffer[] lists */
- main_ptr->whichptr = 0; /* Read first iMCU row into xbuffer[0] */
+ main_ptr->whichptr = 0; /* Read first iMCU row into xbuffer[0] */
main_ptr->context_state = CTX_PREPARE_FOR_IMCU;
main_ptr->iMCU_row_ctr = 0;
} else {
/* Simple case with no context needed */
main_ptr->pub.process_data = process_data_simple_main;
}
- main_ptr->buffer_full = FALSE; /* Mark buffer empty */
+ main_ptr->buffer_full = FALSE; /* Mark buffer empty */
main_ptr->rowgroup_ctr = 0;
break;
#ifdef QUANT_2PASS_SUPPORTED
@@ -285,8 +287,8 @@ start_pass_main (j_decompress_ptr cinfo, J_BUF_MODE pass_mode)
METHODDEF(void)
process_data_simple_main (j_decompress_ptr cinfo,
- JSAMPARRAY output_buf, JDIMENSION *out_row_ctr,
- JDIMENSION out_rows_avail)
+ JSAMPARRAY output_buf, JDIMENSION *out_row_ctr,
+ JDIMENSION out_rows_avail)
{
my_main_ptr main_ptr = (my_main_ptr) cinfo->main;
JDIMENSION rowgroups_avail;
@@ -294,8 +296,8 @@ process_data_simple_main (j_decompress_ptr cinfo,
/* Read input data if we haven't filled the main buffer yet */
if (! main_ptr->buffer_full) {
if (! (*cinfo->coef->decompress_data) (cinfo, main_ptr->buffer))
- return; /* suspension forced, can do nothing more */
- main_ptr->buffer_full = TRUE; /* OK, we have an iMCU row to work with */
+ return; /* suspension forced, can do nothing more */
+ main_ptr->buffer_full = TRUE; /* OK, we have an iMCU row to work with */
}
/* There are always min_DCT_scaled_size row groups in an iMCU row. */
@@ -307,8 +309,8 @@ process_data_simple_main (j_decompress_ptr cinfo,
/* Feed the postprocessor */
(*cinfo->post->post_process_data) (cinfo, main_ptr->buffer,
- &main_ptr->rowgroup_ctr, rowgroups_avail,
- output_buf, out_row_ctr, out_rows_avail);
+ &main_ptr->rowgroup_ctr, rowgroups_avail,
+ output_buf, out_row_ctr, out_rows_avail);
/* Has postprocessor consumed all the data yet? If so, mark buffer empty */
if (main_ptr->rowgroup_ctr >= rowgroups_avail) {
@@ -325,18 +327,18 @@ process_data_simple_main (j_decompress_ptr cinfo,
METHODDEF(void)
process_data_context_main (j_decompress_ptr cinfo,
- JSAMPARRAY output_buf, JDIMENSION *out_row_ctr,
- JDIMENSION out_rows_avail)
+ JSAMPARRAY output_buf, JDIMENSION *out_row_ctr,
+ JDIMENSION out_rows_avail)
{
my_main_ptr main_ptr = (my_main_ptr) cinfo->main;
/* Read input data if we haven't filled the main buffer yet */
if (! main_ptr->buffer_full) {
if (! (*cinfo->coef->decompress_data) (cinfo,
- main_ptr->xbuffer[main_ptr->whichptr]))
- return; /* suspension forced, can do nothing more */
- main_ptr->buffer_full = TRUE; /* OK, we have an iMCU row to work with */
- main_ptr->iMCU_row_ctr++; /* count rows received */
+ main_ptr->xbuffer[main_ptr->whichptr]))
+ return; /* suspension forced, can do nothing more */
+ main_ptr->buffer_full = TRUE; /* OK, we have an iMCU row to work with */
+ main_ptr->iMCU_row_ctr++; /* count rows received */
}
/* Postprocessor typically will not swallow all the input data it is handed
@@ -348,13 +350,13 @@ process_data_context_main (j_decompress_ptr cinfo,
case CTX_POSTPONED_ROW:
/* Call postprocessor using previously set pointers for postponed row */
(*cinfo->post->post_process_data) (cinfo, main_ptr->xbuffer[main_ptr->whichptr],
- &main_ptr->rowgroup_ctr, main_ptr->rowgroups_avail,
- output_buf, out_row_ctr, out_rows_avail);
+ &main_ptr->rowgroup_ctr, main_ptr->rowgroups_avail,
+ output_buf, out_row_ctr, out_rows_avail);
if (main_ptr->rowgroup_ctr < main_ptr->rowgroups_avail)
- return; /* Need to suspend */
+ return; /* Need to suspend */
main_ptr->context_state = CTX_PREPARE_FOR_IMCU;
if (*out_row_ctr >= out_rows_avail)
- return; /* Postprocessor exactly filled output buf */
+ return; /* Postprocessor exactly filled output buf */
/*FALLTHROUGH*/
case CTX_PREPARE_FOR_IMCU:
/* Prepare to process first M-1 row groups of this iMCU row */
@@ -370,15 +372,15 @@ process_data_context_main (j_decompress_ptr cinfo,
case CTX_PROCESS_IMCU:
/* Call postprocessor using previously set pointers */
(*cinfo->post->post_process_data) (cinfo, main_ptr->xbuffer[main_ptr->whichptr],
- &main_ptr->rowgroup_ctr, main_ptr->rowgroups_avail,
- output_buf, out_row_ctr, out_rows_avail);
+ &main_ptr->rowgroup_ctr, main_ptr->rowgroups_avail,
+ output_buf, out_row_ctr, out_rows_avail);
if (main_ptr->rowgroup_ctr < main_ptr->rowgroups_avail)
- return; /* Need to suspend */
+ return; /* Need to suspend */
/* After the first iMCU, change wraparound pointers to normal state */
if (main_ptr->iMCU_row_ctr == 1)
set_wraparound_pointers(cinfo);
/* Prepare to load new iMCU row using other xbuffer list */
- main_ptr->whichptr ^= 1; /* 0=>1 or 1=>0 */
+ main_ptr->whichptr ^= 1; /* 0=>1 or 1=>0 */
main_ptr->buffer_full = FALSE;
/* Still need to process last row group of this iMCU row, */
/* which is saved at index M+1 of the other xbuffer */
@@ -399,12 +401,12 @@ process_data_context_main (j_decompress_ptr cinfo,
METHODDEF(void)
process_data_crank_post (j_decompress_ptr cinfo,
- JSAMPARRAY output_buf, JDIMENSION *out_row_ctr,
- JDIMENSION out_rows_avail)
+ JSAMPARRAY output_buf, JDIMENSION *out_row_ctr,
+ JDIMENSION out_rows_avail)
{
(*cinfo->post->post_process_data) (cinfo, (JSAMPIMAGE) NULL,
- (JDIMENSION *) NULL, (JDIMENSION) 0,
- output_buf, out_row_ctr, out_rows_avail);
+ (JDIMENSION *) NULL, (JDIMENSION) 0,
+ output_buf, out_row_ctr, out_rows_avail);
}
#endif /* QUANT_2PASS_SUPPORTED */
@@ -423,11 +425,11 @@ jinit_d_main_controller (j_decompress_ptr cinfo, boolean need_full_buffer)
main_ptr = (my_main_ptr)
(*cinfo->mem->alloc_small) ((j_common_ptr) cinfo, JPOOL_IMAGE,
- SIZEOF(my_main_controller));
+ sizeof(my_main_controller));
cinfo->main = (struct jpeg_d_main_controller *) main_ptr;
main_ptr->pub.start_pass = start_pass_main;
- if (need_full_buffer) /* shouldn't happen */
+ if (need_full_buffer) /* shouldn't happen */
ERREXIT(cinfo, JERR_BAD_BUFFER_MODE);
/* Allocate the workspace.
@@ -447,8 +449,8 @@ jinit_d_main_controller (j_decompress_ptr cinfo, boolean need_full_buffer)
rgroup = (compptr->v_samp_factor * compptr->_DCT_scaled_size) /
cinfo->_min_DCT_scaled_size; /* height of a row group of component */
main_ptr->buffer[ci] = (*cinfo->mem->alloc_sarray)
- ((j_common_ptr) cinfo, JPOOL_IMAGE,
- compptr->width_in_blocks * compptr->_DCT_scaled_size,
- (JDIMENSION) (rgroup * ngroups));
+ ((j_common_ptr) cinfo, JPOOL_IMAGE,
+ compptr->width_in_blocks * compptr->_DCT_scaled_size,
+ (JDIMENSION) (rgroup * ngroups));
}
}
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