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libjpeg-turbo: update to 2.1.x rev 0734e34f6

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roytam1 2024-10-11 12:01:54 +08:00
commit 19dc62b0a2
139 changed files with 989 additions and 962 deletions
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29
media/libjpeg/jdcoefct.c
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@ -5,7 +5,7 @@
* Copyright (C) 1994-1997, Thomas G. Lane.
* libjpeg-turbo Modifications:
* Copyright 2009 Pierre Ossman <ossman@cendio.se> for Cendio AB
* Copyright (C) 2010, 2015-2016, 2019-2020, D. R. Commander.
* Copyright (C) 2010, 2015-2016, 2019-2020, 2022-2023, D. R. Commander.
* Copyright (C) 2015, 2020, Google, Inc.
* For conditions of distribution and use, see the accompanying README.ijg
* file.
@ -430,7 +430,8 @@ decompress_smooth_data(j_decompress_ptr cinfo, JSAMPIMAGE output_buf)
my_coef_ptr coef = (my_coef_ptr)cinfo->coef;
JDIMENSION last_iMCU_row = cinfo->total_iMCU_rows - 1;
JDIMENSION block_num, last_block_column;
int ci, block_row, block_rows, access_rows;
int ci, block_row, block_rows, access_rows, image_block_row,
image_block_rows;
JBLOCKARRAY buffer;
JBLOCKROW buffer_ptr, prev_prev_block_row, prev_block_row;
JBLOCKROW next_block_row, next_next_block_row;
@ -475,7 +476,7 @@ decompress_smooth_data(j_decompress_ptr cinfo, JSAMPIMAGE output_buf)
if (!compptr->component_needed)
continue;
/* Count non-dummy DCT block rows in this iMCU row. */
if (cinfo->output_iMCU_row < last_iMCU_row - 1) {
if (cinfo->output_iMCU_row + 1 < last_iMCU_row) {
block_rows = compptr->v_samp_factor;
access_rows = block_rows * 3; /* this and next two iMCU rows */
} else if (cinfo->output_iMCU_row < last_iMCU_row) {
@ -496,6 +497,7 @@ decompress_smooth_data(j_decompress_ptr cinfo, JSAMPIMAGE output_buf)
(JDIMENSION)access_rows, FALSE);
buffer += 2 * compptr->v_samp_factor; /* point to current iMCU row */
} else if (cinfo->output_iMCU_row > 0) {
access_rows += compptr->v_samp_factor; /* prior iMCU row too */
buffer = (*cinfo->mem->access_virt_barray)
((j_common_ptr)cinfo, coef->whole_image[ci],
(cinfo->output_iMCU_row - 1) * compptr->v_samp_factor,
@ -538,29 +540,30 @@ decompress_smooth_data(j_decompress_ptr cinfo, JSAMPIMAGE output_buf)
inverse_DCT = cinfo->idct->inverse_DCT[ci];
output_ptr = output_buf[ci];
/* Loop over all DCT blocks to be processed. */
image_block_rows = block_rows * cinfo->total_iMCU_rows;
for (block_row = 0; block_row < block_rows; block_row++) {
image_block_row = cinfo->output_iMCU_row * block_rows + block_row;
buffer_ptr = buffer[block_row] + cinfo->master->first_MCU_col[ci];
if (block_row > 0 || cinfo->output_iMCU_row > 0)
if (image_block_row > 0)
prev_block_row =
buffer[block_row - 1] + cinfo->master->first_MCU_col[ci];
else
prev_block_row = buffer_ptr;
if (block_row > 1 || cinfo->output_iMCU_row > 1)
if (image_block_row > 1)
prev_prev_block_row =
buffer[block_row - 2] + cinfo->master->first_MCU_col[ci];
else
prev_prev_block_row = prev_block_row;
if (block_row < block_rows - 1 || cinfo->output_iMCU_row < last_iMCU_row)
if (image_block_row < image_block_rows - 1)
next_block_row =
buffer[block_row + 1] + cinfo->master->first_MCU_col[ci];
else
next_block_row = buffer_ptr;
if (block_row < block_rows - 2 ||
cinfo->output_iMCU_row < last_iMCU_row - 1)
if (image_block_row < image_block_rows - 2)
next_next_block_row =
buffer[block_row + 2] + cinfo->master->first_MCU_col[ci];
else
@ -583,11 +586,11 @@ decompress_smooth_data(j_decompress_ptr cinfo, JSAMPIMAGE output_buf)
/* Update DC values */
if (block_num == cinfo->master->first_MCU_col[ci] &&
block_num < last_block_column) {
DC04 = (int)prev_prev_block_row[1][0];
DC09 = (int)prev_block_row[1][0];
DC14 = (int)buffer_ptr[1][0];
DC19 = (int)next_block_row[1][0];
DC24 = (int)next_next_block_row[1][0];
DC04 = DC05 = (int)prev_prev_block_row[1][0];
DC09 = DC10 = (int)prev_block_row[1][0];
DC14 = DC15 = (int)buffer_ptr[1][0];
DC19 = DC20 = (int)next_block_row[1][0];
DC24 = DC25 = (int)next_next_block_row[1][0];
}
if (block_num + 1 < last_block_column) {
DC05 = (int)prev_prev_block_row[2][0];