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-rw-r--r--src/3rdparty/libjpeg/src/jdpostct.c109
1 files changed, 65 insertions, 44 deletions
diff --git a/src/3rdparty/libjpeg/src/jdpostct.c b/src/3rdparty/libjpeg/src/jdpostct.c
index 6a2cf5c1b3..d38495f5f3 100644
--- a/src/3rdparty/libjpeg/src/jdpostct.c
+++ b/src/3rdparty/libjpeg/src/jdpostct.c
@@ -3,8 +3,8 @@
*
* This file was 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) 2022-2023, D. R. Commander.
* For conditions of distribution and use, see the accompanying README.ijg
* file.
*
@@ -22,8 +22,11 @@
#define JPEG_INTERNALS
#include "jinclude.h"
#include "jpeglib.h"
+#include "jsamplecomp.h"
+#if BITS_IN_JSAMPLE != 16 || defined(D_LOSSLESS_SUPPORTED)
+
/* Private buffer controller object */
typedef struct {
@@ -35,7 +38,7 @@ typedef struct {
* for one-pass operation, a strip buffer is sufficient.
*/
jvirt_sarray_ptr whole_image; /* virtual array, or NULL if one-pass */
- JSAMPARRAY buffer; /* strip buffer, or current strip of virtual */
+ _JSAMPARRAY buffer; /* strip buffer, or current strip of virtual */
JDIMENSION strip_height; /* buffer size in rows */
/* for two-pass mode only: */
JDIMENSION starting_row; /* row # of first row in current strip */
@@ -46,26 +49,28 @@ typedef my_post_controller *my_post_ptr;
/* Forward declarations */
+#if BITS_IN_JSAMPLE != 16
METHODDEF(void) post_process_1pass(j_decompress_ptr cinfo,
- JSAMPIMAGE input_buf,
+ _JSAMPIMAGE input_buf,
JDIMENSION *in_row_group_ctr,
JDIMENSION in_row_groups_avail,
- JSAMPARRAY output_buf,
+ _JSAMPARRAY output_buf,
JDIMENSION *out_row_ctr,
JDIMENSION out_rows_avail);
-#ifdef QUANT_2PASS_SUPPORTED
+#endif
+#if defined(QUANT_2PASS_SUPPORTED) && BITS_IN_JSAMPLE != 16
METHODDEF(void) post_process_prepass(j_decompress_ptr cinfo,
- JSAMPIMAGE input_buf,
+ _JSAMPIMAGE input_buf,
JDIMENSION *in_row_group_ctr,
JDIMENSION in_row_groups_avail,
- JSAMPARRAY output_buf,
+ _JSAMPARRAY output_buf,
JDIMENSION *out_row_ctr,
JDIMENSION out_rows_avail);
METHODDEF(void) post_process_2pass(j_decompress_ptr cinfo,
- JSAMPIMAGE input_buf,
+ _JSAMPIMAGE input_buf,
JDIMENSION *in_row_group_ctr,
JDIMENSION in_row_groups_avail,
- JSAMPARRAY output_buf,
+ _JSAMPARRAY output_buf,
JDIMENSION *out_row_ctr,
JDIMENSION out_rows_avail);
#endif
@@ -82,39 +87,42 @@ start_pass_dpost(j_decompress_ptr cinfo, J_BUF_MODE pass_mode)
switch (pass_mode) {
case JBUF_PASS_THRU:
+#if BITS_IN_JSAMPLE != 16
if (cinfo->quantize_colors) {
/* Single-pass processing with color quantization. */
- post->pub.post_process_data = post_process_1pass;
+ post->pub._post_process_data = post_process_1pass;
/* We could be doing buffered-image output before starting a 2-pass
* color quantization; in that case, jinit_d_post_controller did not
* allocate a strip buffer. Use the virtual-array buffer as workspace.
*/
if (post->buffer == NULL) {
- post->buffer = (*cinfo->mem->access_virt_sarray)
+ post->buffer = (_JSAMPARRAY)(*cinfo->mem->access_virt_sarray)
((j_common_ptr)cinfo, post->whole_image,
(JDIMENSION)0, post->strip_height, TRUE);
}
- } else {
+ } else
+#endif
+ {
/* For single-pass processing without color quantization,
* I have no work to do; just call the upsampler directly.
*/
- post->pub.post_process_data = cinfo->upsample->upsample;
+ post->pub._post_process_data = cinfo->upsample->_upsample;
}
break;
-#ifdef QUANT_2PASS_SUPPORTED
+#if defined(QUANT_2PASS_SUPPORTED) && BITS_IN_JSAMPLE != 16
case JBUF_SAVE_AND_PASS:
/* First pass of 2-pass quantization */
if (post->whole_image == NULL)
ERREXIT(cinfo, JERR_BAD_BUFFER_MODE);
- post->pub.post_process_data = post_process_prepass;
+ post->pub._post_process_data = post_process_prepass;
break;
case JBUF_CRANK_DEST:
/* Second pass of 2-pass quantization */
if (post->whole_image == NULL)
ERREXIT(cinfo, JERR_BAD_BUFFER_MODE);
- post->pub.post_process_data = post_process_2pass;
+ post->pub._post_process_data = post_process_2pass;
break;
-#endif /* QUANT_2PASS_SUPPORTED */
+#endif /* defined(QUANT_2PASS_SUPPORTED) && BITS_IN_JSAMPLE != 16 */
default:
ERREXIT(cinfo, JERR_BAD_BUFFER_MODE);
break;
@@ -128,10 +136,12 @@ start_pass_dpost(j_decompress_ptr cinfo, J_BUF_MODE pass_mode)
* This is used for color precision reduction as well as one-pass quantization.
*/
+#if BITS_IN_JSAMPLE != 16
+
METHODDEF(void)
-post_process_1pass(j_decompress_ptr cinfo, JSAMPIMAGE input_buf,
+post_process_1pass(j_decompress_ptr cinfo, _JSAMPIMAGE input_buf,
JDIMENSION *in_row_group_ctr,
- JDIMENSION in_row_groups_avail, JSAMPARRAY output_buf,
+ JDIMENSION in_row_groups_avail, _JSAMPARRAY output_buf,
JDIMENSION *out_row_ctr, JDIMENSION out_rows_avail)
{
my_post_ptr post = (my_post_ptr)cinfo->post;
@@ -143,27 +153,29 @@ post_process_1pass(j_decompress_ptr cinfo, JSAMPIMAGE input_buf,
if (max_rows > post->strip_height)
max_rows = post->strip_height;
num_rows = 0;
- (*cinfo->upsample->upsample) (cinfo, input_buf, in_row_group_ctr,
- in_row_groups_avail, post->buffer, &num_rows,
- max_rows);
+ (*cinfo->upsample->_upsample) (cinfo, input_buf, in_row_group_ctr,
+ in_row_groups_avail, post->buffer, &num_rows,
+ max_rows);
/* Quantize and emit data. */
- (*cinfo->cquantize->color_quantize) (cinfo, post->buffer,
- output_buf + *out_row_ctr,
- (int)num_rows);
+ (*cinfo->cquantize->_color_quantize) (cinfo, post->buffer,
+ output_buf + *out_row_ctr,
+ (int)num_rows);
*out_row_ctr += num_rows;
}
+#endif
-#ifdef QUANT_2PASS_SUPPORTED
+
+#if defined(QUANT_2PASS_SUPPORTED) && BITS_IN_JSAMPLE != 16
/*
* Process some data in the first pass of 2-pass quantization.
*/
METHODDEF(void)
-post_process_prepass(j_decompress_ptr cinfo, JSAMPIMAGE input_buf,
+post_process_prepass(j_decompress_ptr cinfo, _JSAMPIMAGE input_buf,
JDIMENSION *in_row_group_ctr,
- JDIMENSION in_row_groups_avail, JSAMPARRAY output_buf,
+ JDIMENSION in_row_groups_avail, _JSAMPARRAY output_buf,
JDIMENSION *out_row_ctr, JDIMENSION out_rows_avail)
{
my_post_ptr post = (my_post_ptr)cinfo->post;
@@ -171,23 +183,23 @@ post_process_prepass(j_decompress_ptr cinfo, JSAMPIMAGE input_buf,
/* Reposition virtual buffer if at start of strip. */
if (post->next_row == 0) {
- post->buffer = (*cinfo->mem->access_virt_sarray)
+ post->buffer = (_JSAMPARRAY)(*cinfo->mem->access_virt_sarray)
((j_common_ptr)cinfo, post->whole_image,
post->starting_row, post->strip_height, TRUE);
}
/* Upsample some data (up to a strip height's worth). */
old_next_row = post->next_row;
- (*cinfo->upsample->upsample) (cinfo, input_buf, in_row_group_ctr,
- in_row_groups_avail, post->buffer,
- &post->next_row, post->strip_height);
+ (*cinfo->upsample->_upsample) (cinfo, input_buf, in_row_group_ctr,
+ in_row_groups_avail, post->buffer,
+ &post->next_row, post->strip_height);
/* Allow quantizer to scan new data. No data is emitted, */
/* but we advance out_row_ctr so outer loop can tell when we're done. */
if (post->next_row > old_next_row) {
num_rows = post->next_row - old_next_row;
- (*cinfo->cquantize->color_quantize) (cinfo, post->buffer + old_next_row,
- (JSAMPARRAY)NULL, (int)num_rows);
+ (*cinfo->cquantize->_color_quantize) (cinfo, post->buffer + old_next_row,
+ (_JSAMPARRAY)NULL, (int)num_rows);
*out_row_ctr += num_rows;
}
@@ -204,9 +216,9 @@ post_process_prepass(j_decompress_ptr cinfo, JSAMPIMAGE input_buf,
*/
METHODDEF(void)
-post_process_2pass(j_decompress_ptr cinfo, JSAMPIMAGE input_buf,
+post_process_2pass(j_decompress_ptr cinfo, _JSAMPIMAGE input_buf,
JDIMENSION *in_row_group_ctr,
- JDIMENSION in_row_groups_avail, JSAMPARRAY output_buf,
+ JDIMENSION in_row_groups_avail, _JSAMPARRAY output_buf,
JDIMENSION *out_row_ctr, JDIMENSION out_rows_avail)
{
my_post_ptr post = (my_post_ptr)cinfo->post;
@@ -214,7 +226,7 @@ post_process_2pass(j_decompress_ptr cinfo, JSAMPIMAGE input_buf,
/* Reposition virtual buffer if at start of strip. */
if (post->next_row == 0) {
- post->buffer = (*cinfo->mem->access_virt_sarray)
+ post->buffer = (_JSAMPARRAY)(*cinfo->mem->access_virt_sarray)
((j_common_ptr)cinfo, post->whole_image,
post->starting_row, post->strip_height, FALSE);
}
@@ -230,9 +242,9 @@ post_process_2pass(j_decompress_ptr cinfo, JSAMPIMAGE input_buf,
num_rows = max_rows;
/* Quantize and emit data. */
- (*cinfo->cquantize->color_quantize) (cinfo, post->buffer + post->next_row,
- output_buf + *out_row_ctr,
- (int)num_rows);
+ (*cinfo->cquantize->_color_quantize) (cinfo, post->buffer + post->next_row,
+ output_buf + *out_row_ctr,
+ (int)num_rows);
*out_row_ctr += num_rows;
/* Advance if we filled the strip. */
@@ -243,7 +255,7 @@ post_process_2pass(j_decompress_ptr cinfo, JSAMPIMAGE input_buf,
}
}
-#endif /* QUANT_2PASS_SUPPORTED */
+#endif /* defined(QUANT_2PASS_SUPPORTED) && BITS_IN_JSAMPLE != 16 */
/*
@@ -251,10 +263,13 @@ post_process_2pass(j_decompress_ptr cinfo, JSAMPIMAGE input_buf,
*/
GLOBAL(void)
-jinit_d_post_controller(j_decompress_ptr cinfo, boolean need_full_buffer)
+_jinit_d_post_controller(j_decompress_ptr cinfo, boolean need_full_buffer)
{
my_post_ptr post;
+ if (cinfo->data_precision != BITS_IN_JSAMPLE)
+ ERREXIT1(cinfo, JERR_BAD_PRECISION, cinfo->data_precision);
+
post = (my_post_ptr)
(*cinfo->mem->alloc_small) ((j_common_ptr)cinfo, JPOOL_IMAGE,
sizeof(my_post_controller));
@@ -265,6 +280,7 @@ jinit_d_post_controller(j_decompress_ptr cinfo, boolean need_full_buffer)
/* Create the quantization buffer, if needed */
if (cinfo->quantize_colors) {
+#if BITS_IN_JSAMPLE != 16
/* The buffer strip height is max_v_samp_factor, which is typically
* an efficient number of rows for upsampling to return.
* (In the presence of output rescaling, we might want to be smarter?)
@@ -285,10 +301,15 @@ jinit_d_post_controller(j_decompress_ptr cinfo, boolean need_full_buffer)
#endif /* QUANT_2PASS_SUPPORTED */
} else {
/* One-pass color quantization: just make a strip buffer. */
- post->buffer = (*cinfo->mem->alloc_sarray)
+ post->buffer = (_JSAMPARRAY)(*cinfo->mem->alloc_sarray)
((j_common_ptr)cinfo, JPOOL_IMAGE,
cinfo->output_width * cinfo->out_color_components,
post->strip_height);
}
+#else
+ ERREXIT(cinfo, JERR_NOTIMPL);
+#endif
}
}
+
+#endif /* BITS_IN_JSAMPLE != 16 || defined(D_LOSSLESS_SUPPORTED) */