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Diffstat (limited to 'media/libjpeg/jcprepct.c')
-rw-r--r--media/libjpeg/jcprepct.c100
1 files changed, 47 insertions, 53 deletions
diff --git a/media/libjpeg/jcprepct.c b/media/libjpeg/jcprepct.c
index e72ebd87d2..f27cc34507 100644
--- a/media/libjpeg/jcprepct.c
+++ b/media/libjpeg/jcprepct.c
@@ -3,8 +3,8 @@
*
* This file is part of the Independent JPEG Group's software:
* Copyright (C) 1994-1996, Thomas G. Lane.
- * It was modified by The libjpeg-turbo Project to include only code relevant
- * to libjpeg-turbo.
+ * libjpeg-turbo Modifications:
+ * Copyright (C) 2022, D. R. Commander.
* For conditions of distribution and use, see the accompanying README.ijg
* file.
*
@@ -78,9 +78,9 @@ typedef my_prep_controller *my_prep_ptr;
*/
METHODDEF(void)
-start_pass_prep (j_compress_ptr cinfo, J_BUF_MODE pass_mode)
+start_pass_prep(j_compress_ptr cinfo, J_BUF_MODE pass_mode)
{
- my_prep_ptr prep = (my_prep_ptr) cinfo->prep;
+ my_prep_ptr prep = (my_prep_ptr)cinfo->prep;
if (pass_mode != JBUF_PASS_THRU)
ERREXIT(cinfo, JERR_BAD_BUFFER_MODE);
@@ -106,14 +106,14 @@ start_pass_prep (j_compress_ptr cinfo, J_BUF_MODE pass_mode)
*/
LOCAL(void)
-expand_bottom_edge (JSAMPARRAY image_data, JDIMENSION num_cols,
- int input_rows, int output_rows)
+expand_bottom_edge(JSAMPARRAY image_data, JDIMENSION num_cols, int input_rows,
+ int output_rows)
{
register int row;
for (row = input_rows; row < output_rows; row++) {
- jcopy_sample_rows(image_data, input_rows-1, image_data, row,
- 1, num_cols);
+ jcopy_sample_rows(image_data, input_rows - 1, image_data, row, 1,
+ num_cols);
}
}
@@ -128,13 +128,12 @@ expand_bottom_edge (JSAMPARRAY image_data, JDIMENSION num_cols,
*/
METHODDEF(void)
-pre_process_data (j_compress_ptr cinfo,
- JSAMPARRAY input_buf, JDIMENSION *in_row_ctr,
- JDIMENSION in_rows_avail,
- JSAMPIMAGE output_buf, JDIMENSION *out_row_group_ctr,
- JDIMENSION out_row_groups_avail)
+pre_process_data(j_compress_ptr cinfo, JSAMPARRAY input_buf,
+ JDIMENSION *in_row_ctr, JDIMENSION in_rows_avail,
+ JSAMPIMAGE output_buf, JDIMENSION *out_row_group_ctr,
+ JDIMENSION out_row_groups_avail)
{
- my_prep_ptr prep = (my_prep_ptr) cinfo->prep;
+ my_prep_ptr prep = (my_prep_ptr)cinfo->prep;
int numrows, ci;
JDIMENSION inrows;
jpeg_component_info *compptr;
@@ -144,10 +143,10 @@ pre_process_data (j_compress_ptr cinfo,
/* Do color conversion to fill the conversion buffer. */
inrows = in_rows_avail - *in_row_ctr;
numrows = cinfo->max_v_samp_factor - prep->next_buf_row;
- numrows = (int) MIN((JDIMENSION) numrows, inrows);
+ numrows = (int)MIN((JDIMENSION)numrows, inrows);
(*cinfo->cconvert->color_convert) (cinfo, input_buf + *in_row_ctr,
prep->color_buf,
- (JDIMENSION) prep->next_buf_row,
+ (JDIMENSION)prep->next_buf_row,
numrows);
*in_row_ctr += numrows;
prep->next_buf_row += numrows;
@@ -164,7 +163,7 @@ pre_process_data (j_compress_ptr cinfo,
/* If we've filled the conversion buffer, empty it. */
if (prep->next_buf_row == cinfo->max_v_samp_factor) {
(*cinfo->downsample->downsample) (cinfo,
- prep->color_buf, (JDIMENSION) 0,
+ prep->color_buf, (JDIMENSION)0,
output_buf, *out_row_group_ctr);
prep->next_buf_row = 0;
(*out_row_group_ctr)++;
@@ -172,14 +171,12 @@ pre_process_data (j_compress_ptr cinfo,
/* If at bottom of image, pad the output to a full iMCU height.
* Note we assume the caller is providing a one-iMCU-height output buffer!
*/
- if (prep->rows_to_go == 0 &&
- *out_row_group_ctr < out_row_groups_avail) {
+ if (prep->rows_to_go == 0 && *out_row_group_ctr < out_row_groups_avail) {
for (ci = 0, compptr = cinfo->comp_info; ci < cinfo->num_components;
ci++, compptr++) {
- expand_bottom_edge(output_buf[ci],
- compptr->width_in_blocks * DCTSIZE,
- (int) (*out_row_group_ctr * compptr->v_samp_factor),
- (int) (out_row_groups_avail * compptr->v_samp_factor));
+ expand_bottom_edge(output_buf[ci], compptr->width_in_blocks * DCTSIZE,
+ (int)(*out_row_group_ctr * compptr->v_samp_factor),
+ (int)(out_row_groups_avail * compptr->v_samp_factor));
}
*out_row_group_ctr = out_row_groups_avail;
break; /* can exit outer loop without test */
@@ -195,13 +192,12 @@ pre_process_data (j_compress_ptr cinfo,
*/
METHODDEF(void)
-pre_process_context (j_compress_ptr cinfo,
- JSAMPARRAY input_buf, JDIMENSION *in_row_ctr,
- JDIMENSION in_rows_avail,
- JSAMPIMAGE output_buf, JDIMENSION *out_row_group_ctr,
- JDIMENSION out_row_groups_avail)
+pre_process_context(j_compress_ptr cinfo, JSAMPARRAY input_buf,
+ JDIMENSION *in_row_ctr, JDIMENSION in_rows_avail,
+ JSAMPIMAGE output_buf, JDIMENSION *out_row_group_ctr,
+ JDIMENSION out_row_groups_avail)
{
- my_prep_ptr prep = (my_prep_ptr) cinfo->prep;
+ my_prep_ptr prep = (my_prep_ptr)cinfo->prep;
int numrows, ci;
int buf_height = cinfo->max_v_samp_factor * 3;
JDIMENSION inrows;
@@ -211,19 +207,18 @@ pre_process_context (j_compress_ptr cinfo,
/* Do color conversion to fill the conversion buffer. */
inrows = in_rows_avail - *in_row_ctr;
numrows = prep->next_buf_stop - prep->next_buf_row;
- numrows = (int) MIN((JDIMENSION) numrows, inrows);
+ numrows = (int)MIN((JDIMENSION)numrows, inrows);
(*cinfo->cconvert->color_convert) (cinfo, input_buf + *in_row_ctr,
prep->color_buf,
- (JDIMENSION) prep->next_buf_row,
+ (JDIMENSION)prep->next_buf_row,
numrows);
/* Pad at top of image, if first time through */
if (prep->rows_to_go == cinfo->image_height) {
for (ci = 0; ci < cinfo->num_components; ci++) {
int row;
for (row = 1; row <= cinfo->max_v_samp_factor; row++) {
- jcopy_sample_rows(prep->color_buf[ci], 0,
- prep->color_buf[ci], -row,
- 1, cinfo->image_width);
+ jcopy_sample_rows(prep->color_buf[ci], 0, prep->color_buf[ci],
+ -row, 1, cinfo->image_width);
}
}
}
@@ -245,9 +240,8 @@ pre_process_context (j_compress_ptr cinfo,
}
/* If we've gotten enough data, downsample a row group. */
if (prep->next_buf_row == prep->next_buf_stop) {
- (*cinfo->downsample->downsample) (cinfo,
- prep->color_buf,
- (JDIMENSION) prep->this_row_group,
+ (*cinfo->downsample->downsample) (cinfo, prep->color_buf,
+ (JDIMENSION)prep->this_row_group,
output_buf, *out_row_group_ctr);
(*out_row_group_ctr)++;
/* Advance pointers with wraparound as necessary. */
@@ -267,9 +261,9 @@ pre_process_context (j_compress_ptr cinfo,
*/
LOCAL(void)
-create_context_buffer (j_compress_ptr cinfo)
+create_context_buffer(j_compress_ptr cinfo)
{
- my_prep_ptr prep = (my_prep_ptr) cinfo->prep;
+ my_prep_ptr prep = (my_prep_ptr)cinfo->prep;
int rgroup_height = cinfo->max_v_samp_factor;
int ci, i;
jpeg_component_info *compptr;
@@ -279,7 +273,7 @@ create_context_buffer (j_compress_ptr cinfo)
* we need five row groups' worth of pointers for each component.
*/
fake_buffer = (JSAMPARRAY)
- (*cinfo->mem->alloc_small) ((j_common_ptr) cinfo, JPOOL_IMAGE,
+ (*cinfo->mem->alloc_small) ((j_common_ptr)cinfo, JPOOL_IMAGE,
(cinfo->num_components * 5 * rgroup_height) *
sizeof(JSAMPROW));
@@ -290,13 +284,13 @@ create_context_buffer (j_compress_ptr cinfo)
* horizontally within the buffer, if it so chooses.
*/
true_buffer = (*cinfo->mem->alloc_sarray)
- ((j_common_ptr) cinfo, JPOOL_IMAGE,
- (JDIMENSION) (((long) compptr->width_in_blocks * DCTSIZE *
- cinfo->max_h_samp_factor) / compptr->h_samp_factor),
- (JDIMENSION) (3 * rgroup_height));
+ ((j_common_ptr)cinfo, JPOOL_IMAGE,
+ (JDIMENSION)(((long)compptr->width_in_blocks * DCTSIZE *
+ cinfo->max_h_samp_factor) / compptr->h_samp_factor),
+ (JDIMENSION)(3 * rgroup_height));
/* Copy true buffer row pointers into the middle of the fake row array */
- MEMCOPY(fake_buffer + rgroup_height, true_buffer,
- 3 * rgroup_height * sizeof(JSAMPROW));
+ memcpy(fake_buffer + rgroup_height, true_buffer,
+ 3 * rgroup_height * sizeof(JSAMPROW));
/* Fill in the above and below wraparound pointers */
for (i = 0; i < rgroup_height; i++) {
fake_buffer[i] = true_buffer[2 * rgroup_height + i];
@@ -315,7 +309,7 @@ create_context_buffer (j_compress_ptr cinfo)
*/
GLOBAL(void)
-jinit_c_prep_controller (j_compress_ptr cinfo, boolean need_full_buffer)
+jinit_c_prep_controller(j_compress_ptr cinfo, boolean need_full_buffer)
{
my_prep_ptr prep;
int ci;
@@ -325,9 +319,9 @@ jinit_c_prep_controller (j_compress_ptr cinfo, boolean need_full_buffer)
ERREXIT(cinfo, JERR_BAD_BUFFER_MODE);
prep = (my_prep_ptr)
- (*cinfo->mem->alloc_small) ((j_common_ptr) cinfo, JPOOL_IMAGE,
+ (*cinfo->mem->alloc_small) ((j_common_ptr)cinfo, JPOOL_IMAGE,
sizeof(my_prep_controller));
- cinfo->prep = (struct jpeg_c_prep_controller *) prep;
+ cinfo->prep = (struct jpeg_c_prep_controller *)prep;
prep->pub.start_pass = start_pass_prep;
/* Allocate the color conversion buffer.
@@ -348,10 +342,10 @@ jinit_c_prep_controller (j_compress_ptr cinfo, boolean need_full_buffer)
for (ci = 0, compptr = cinfo->comp_info; ci < cinfo->num_components;
ci++, compptr++) {
prep->color_buf[ci] = (*cinfo->mem->alloc_sarray)
- ((j_common_ptr) cinfo, JPOOL_IMAGE,
- (JDIMENSION) (((long) compptr->width_in_blocks * DCTSIZE *
- cinfo->max_h_samp_factor) / compptr->h_samp_factor),
- (JDIMENSION) cinfo->max_v_samp_factor);
+ ((j_common_ptr)cinfo, JPOOL_IMAGE,
+ (JDIMENSION)(((long)compptr->width_in_blocks * DCTSIZE *
+ cinfo->max_h_samp_factor) / compptr->h_samp_factor),
+ (JDIMENSION)cinfo->max_v_samp_factor);
}
}
}
generated by cgit v1.2.3 (git 2.26.2) at 2024-11-09 23:05:42 +0000