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Diffstat (limited to 'src/3rdparty/libjpeg/src/jcsample.c')
-rw-r--r--src/3rdparty/libjpeg/src/jcsample.c120
1 files changed, 60 insertions, 60 deletions
diff --git a/src/3rdparty/libjpeg/src/jcsample.c b/src/3rdparty/libjpeg/src/jcsample.c
index c4b4991487..bd27b84e06 100644
--- a/src/3rdparty/libjpeg/src/jcsample.c
+++ b/src/3rdparty/libjpeg/src/jcsample.c
@@ -79,7 +79,7 @@ typedef my_downsampler *my_downsample_ptr;
*/
METHODDEF(void)
-start_pass_downsample (j_compress_ptr cinfo)
+start_pass_downsample(j_compress_ptr cinfo)
{
/* no work for now */
}
@@ -91,14 +91,14 @@ start_pass_downsample (j_compress_ptr cinfo)
*/
LOCAL(void)
-expand_right_edge (JSAMPARRAY image_data, int num_rows,
- JDIMENSION input_cols, JDIMENSION output_cols)
+expand_right_edge(JSAMPARRAY image_data, int num_rows, JDIMENSION input_cols,
+ JDIMENSION output_cols)
{
register JSAMPROW ptr;
register JSAMPLE pixval;
register int count;
int row;
- int numcols = (int) (output_cols - input_cols);
+ int numcols = (int)(output_cols - input_cols);
if (numcols > 0) {
for (row = 0; row < num_rows; row++) {
@@ -118,11 +118,11 @@ expand_right_edge (JSAMPARRAY image_data, int num_rows,
*/
METHODDEF(void)
-sep_downsample (j_compress_ptr cinfo,
- JSAMPIMAGE input_buf, JDIMENSION in_row_index,
- JSAMPIMAGE output_buf, JDIMENSION out_row_group_index)
+sep_downsample(j_compress_ptr cinfo, JSAMPIMAGE input_buf,
+ JDIMENSION in_row_index, JSAMPIMAGE output_buf,
+ JDIMENSION out_row_group_index)
{
- my_downsample_ptr downsample = (my_downsample_ptr) cinfo->downsample;
+ my_downsample_ptr downsample = (my_downsample_ptr)cinfo->downsample;
int ci;
jpeg_component_info *compptr;
JSAMPARRAY in_ptr, out_ptr;
@@ -144,8 +144,8 @@ sep_downsample (j_compress_ptr cinfo,
*/
METHODDEF(void)
-int_downsample (j_compress_ptr cinfo, jpeg_component_info *compptr,
- JSAMPARRAY input_data, JSAMPARRAY output_data)
+int_downsample(j_compress_ptr cinfo, jpeg_component_info *compptr,
+ JSAMPARRAY input_data, JSAMPARRAY output_data)
{
int inrow, outrow, h_expand, v_expand, numpix, numpix2, h, v;
JDIMENSION outcol, outcol_h; /* outcol_h == outcol*h_expand */
@@ -156,14 +156,14 @@ int_downsample (j_compress_ptr cinfo, jpeg_component_info *compptr,
h_expand = cinfo->max_h_samp_factor / compptr->h_samp_factor;
v_expand = cinfo->max_v_samp_factor / compptr->v_samp_factor;
numpix = h_expand * v_expand;
- numpix2 = numpix/2;
+ numpix2 = numpix / 2;
/* Expand input data enough to let all the output samples be generated
* by the standard loop. Special-casing padded output would be more
* efficient.
*/
- expand_right_edge(input_data, cinfo->max_v_samp_factor,
- cinfo->image_width, output_cols * h_expand);
+ expand_right_edge(input_data, cinfo->max_v_samp_factor, cinfo->image_width,
+ output_cols * h_expand);
inrow = 0;
for (outrow = 0; outrow < compptr->v_samp_factor; outrow++) {
@@ -172,12 +172,12 @@ int_downsample (j_compress_ptr cinfo, jpeg_component_info *compptr,
outcol++, outcol_h += h_expand) {
outvalue = 0;
for (v = 0; v < v_expand; v++) {
- inptr = input_data[inrow+v] + outcol_h;
+ inptr = input_data[inrow + v] + outcol_h;
for (h = 0; h < h_expand; h++) {
- outvalue += (JLONG) GETJSAMPLE(*inptr++);
+ outvalue += (JLONG)GETJSAMPLE(*inptr++);
}
}
- *outptr++ = (JSAMPLE) ((outvalue + numpix2) / numpix);
+ *outptr++ = (JSAMPLE)((outvalue + numpix2) / numpix);
}
inrow += v_expand;
}
@@ -191,15 +191,15 @@ int_downsample (j_compress_ptr cinfo, jpeg_component_info *compptr,
*/
METHODDEF(void)
-fullsize_downsample (j_compress_ptr cinfo, jpeg_component_info *compptr,
- JSAMPARRAY input_data, JSAMPARRAY output_data)
+fullsize_downsample(j_compress_ptr cinfo, jpeg_component_info *compptr,
+ JSAMPARRAY input_data, JSAMPARRAY output_data)
{
/* Copy the data */
- jcopy_sample_rows(input_data, 0, output_data, 0,
- cinfo->max_v_samp_factor, cinfo->image_width);
+ jcopy_sample_rows(input_data, 0, output_data, 0, cinfo->max_v_samp_factor,
+ cinfo->image_width);
/* Edge-expand */
- expand_right_edge(output_data, cinfo->max_v_samp_factor,
- cinfo->image_width, compptr->width_in_blocks * DCTSIZE);
+ expand_right_edge(output_data, cinfo->max_v_samp_factor, cinfo->image_width,
+ compptr->width_in_blocks * DCTSIZE);
}
@@ -216,8 +216,8 @@ fullsize_downsample (j_compress_ptr cinfo, jpeg_component_info *compptr,
*/
METHODDEF(void)
-h2v1_downsample (j_compress_ptr cinfo, jpeg_component_info *compptr,
- JSAMPARRAY input_data, JSAMPARRAY output_data)
+h2v1_downsample(j_compress_ptr cinfo, jpeg_component_info *compptr,
+ JSAMPARRAY input_data, JSAMPARRAY output_data)
{
int outrow;
JDIMENSION outcol;
@@ -229,16 +229,16 @@ h2v1_downsample (j_compress_ptr cinfo, jpeg_component_info *compptr,
* by the standard loop. Special-casing padded output would be more
* efficient.
*/
- expand_right_edge(input_data, cinfo->max_v_samp_factor,
- cinfo->image_width, output_cols * 2);
+ expand_right_edge(input_data, cinfo->max_v_samp_factor, cinfo->image_width,
+ output_cols * 2);
for (outrow = 0; outrow < compptr->v_samp_factor; outrow++) {
outptr = output_data[outrow];
inptr = input_data[outrow];
bias = 0; /* bias = 0,1,0,1,... for successive samples */
for (outcol = 0; outcol < output_cols; outcol++) {
- *outptr++ = (JSAMPLE) ((GETJSAMPLE(*inptr) + GETJSAMPLE(inptr[1])
- + bias) >> 1);
+ *outptr++ =
+ (JSAMPLE)((GETJSAMPLE(*inptr) + GETJSAMPLE(inptr[1]) + bias) >> 1);
bias ^= 1; /* 0=>1, 1=>0 */
inptr += 2;
}
@@ -253,8 +253,8 @@ h2v1_downsample (j_compress_ptr cinfo, jpeg_component_info *compptr,
*/
METHODDEF(void)
-h2v2_downsample (j_compress_ptr cinfo, jpeg_component_info *compptr,
- JSAMPARRAY input_data, JSAMPARRAY output_data)
+h2v2_downsample(j_compress_ptr cinfo, jpeg_component_info *compptr,
+ JSAMPARRAY input_data, JSAMPARRAY output_data)
{
int inrow, outrow;
JDIMENSION outcol;
@@ -266,21 +266,21 @@ h2v2_downsample (j_compress_ptr cinfo, jpeg_component_info *compptr,
* by the standard loop. Special-casing padded output would be more
* efficient.
*/
- expand_right_edge(input_data, cinfo->max_v_samp_factor,
- cinfo->image_width, output_cols * 2);
+ expand_right_edge(input_data, cinfo->max_v_samp_factor, cinfo->image_width,
+ output_cols * 2);
inrow = 0;
for (outrow = 0; outrow < compptr->v_samp_factor; outrow++) {
outptr = output_data[outrow];
inptr0 = input_data[inrow];
- inptr1 = input_data[inrow+1];
+ inptr1 = input_data[inrow + 1];
bias = 1; /* bias = 1,2,1,2,... for successive samples */
for (outcol = 0; outcol < output_cols; outcol++) {
- *outptr++ = (JSAMPLE) ((GETJSAMPLE(*inptr0) + GETJSAMPLE(inptr0[1]) +
- GETJSAMPLE(*inptr1) + GETJSAMPLE(inptr1[1])
- + bias) >> 2);
+ *outptr++ =
+ (JSAMPLE)((GETJSAMPLE(*inptr0) + GETJSAMPLE(inptr0[1]) +
+ GETJSAMPLE(*inptr1) + GETJSAMPLE(inptr1[1]) + bias) >> 2);
bias ^= 3; /* 1=>2, 2=>1 */
- inptr0 += 2; inptr1 += 2;
+ inptr0 += 2; inptr1 += 2;
}
inrow += 2;
}
@@ -296,8 +296,8 @@ h2v2_downsample (j_compress_ptr cinfo, jpeg_component_info *compptr,
*/
METHODDEF(void)
-h2v2_smooth_downsample (j_compress_ptr cinfo, jpeg_component_info *compptr,
- JSAMPARRAY input_data, JSAMPARRAY output_data)
+h2v2_smooth_downsample(j_compress_ptr cinfo, jpeg_component_info *compptr,
+ JSAMPARRAY input_data, JSAMPARRAY output_data)
{
int inrow, outrow;
JDIMENSION colctr;
@@ -332,9 +332,9 @@ h2v2_smooth_downsample (j_compress_ptr cinfo, jpeg_component_info *compptr,
for (outrow = 0; outrow < compptr->v_samp_factor; outrow++) {
outptr = output_data[outrow];
inptr0 = input_data[inrow];
- inptr1 = input_data[inrow+1];
- above_ptr = input_data[inrow-1];
- below_ptr = input_data[inrow+2];
+ inptr1 = input_data[inrow + 1];
+ above_ptr = input_data[inrow - 1];
+ below_ptr = input_data[inrow + 2];
/* Special case for first column: pretend column -1 is same as column 0 */
membersum = GETJSAMPLE(*inptr0) + GETJSAMPLE(inptr0[1]) +
@@ -347,8 +347,8 @@ h2v2_smooth_downsample (j_compress_ptr cinfo, jpeg_component_info *compptr,
neighsum += GETJSAMPLE(*above_ptr) + GETJSAMPLE(above_ptr[2]) +
GETJSAMPLE(*below_ptr) + GETJSAMPLE(below_ptr[2]);
membersum = membersum * memberscale + neighsum * neighscale;
- *outptr++ = (JSAMPLE) ((membersum + 32768) >> 16);
- inptr0 += 2; inptr1 += 2; above_ptr += 2; below_ptr += 2;
+ *outptr++ = (JSAMPLE)((membersum + 32768) >> 16);
+ inptr0 += 2; inptr1 += 2; above_ptr += 2; below_ptr += 2;
for (colctr = output_cols - 2; colctr > 0; colctr--) {
/* sum of pixels directly mapped to this output element */
@@ -367,8 +367,8 @@ h2v2_smooth_downsample (j_compress_ptr cinfo, jpeg_component_info *compptr,
/* form final output scaled up by 2^16 */
membersum = membersum * memberscale + neighsum * neighscale;
/* round, descale and output it */
- *outptr++ = (JSAMPLE) ((membersum + 32768) >> 16);
- inptr0 += 2; inptr1 += 2; above_ptr += 2; below_ptr += 2;
+ *outptr++ = (JSAMPLE)((membersum + 32768) >> 16);
+ inptr0 += 2; inptr1 += 2; above_ptr += 2; below_ptr += 2;
}
/* Special case for last column */
@@ -382,7 +382,7 @@ h2v2_smooth_downsample (j_compress_ptr cinfo, jpeg_component_info *compptr,
neighsum += GETJSAMPLE(above_ptr[-1]) + GETJSAMPLE(above_ptr[1]) +
GETJSAMPLE(below_ptr[-1]) + GETJSAMPLE(below_ptr[1]);
membersum = membersum * memberscale + neighsum * neighscale;
- *outptr = (JSAMPLE) ((membersum + 32768) >> 16);
+ *outptr = (JSAMPLE)((membersum + 32768) >> 16);
inrow += 2;
}
@@ -396,8 +396,8 @@ h2v2_smooth_downsample (j_compress_ptr cinfo, jpeg_component_info *compptr,
*/
METHODDEF(void)
-fullsize_smooth_downsample (j_compress_ptr cinfo, jpeg_component_info *compptr,
- JSAMPARRAY input_data, JSAMPARRAY output_data)
+fullsize_smooth_downsample(j_compress_ptr cinfo, jpeg_component_info *compptr,
+ JSAMPARRAY input_data, JSAMPARRAY output_data)
{
int outrow;
JDIMENSION colctr;
@@ -425,8 +425,8 @@ fullsize_smooth_downsample (j_compress_ptr cinfo, jpeg_component_info *compptr,
for (outrow = 0; outrow < compptr->v_samp_factor; outrow++) {
outptr = output_data[outrow];
inptr = input_data[outrow];
- above_ptr = input_data[outrow-1];
- below_ptr = input_data[outrow+1];
+ above_ptr = input_data[outrow - 1];
+ below_ptr = input_data[outrow + 1];
/* Special case for first column */
colsum = GETJSAMPLE(*above_ptr++) + GETJSAMPLE(*below_ptr++) +
@@ -436,25 +436,25 @@ fullsize_smooth_downsample (j_compress_ptr cinfo, jpeg_component_info *compptr,
GETJSAMPLE(*inptr);
neighsum = colsum + (colsum - membersum) + nextcolsum;
membersum = membersum * memberscale + neighsum * neighscale;
- *outptr++ = (JSAMPLE) ((membersum + 32768) >> 16);
- lastcolsum = colsum; colsum = nextcolsum;
+ *outptr++ = (JSAMPLE)((membersum + 32768) >> 16);
+ lastcolsum = colsum; colsum = nextcolsum;
for (colctr = output_cols - 2; colctr > 0; colctr--) {
membersum = GETJSAMPLE(*inptr++);
- above_ptr++; below_ptr++;
+ above_ptr++; below_ptr++;
nextcolsum = GETJSAMPLE(*above_ptr) + GETJSAMPLE(*below_ptr) +
GETJSAMPLE(*inptr);
neighsum = lastcolsum + (colsum - membersum) + nextcolsum;
membersum = membersum * memberscale + neighsum * neighscale;
- *outptr++ = (JSAMPLE) ((membersum + 32768) >> 16);
- lastcolsum = colsum; colsum = nextcolsum;
+ *outptr++ = (JSAMPLE)((membersum + 32768) >> 16);
+ lastcolsum = colsum; colsum = nextcolsum;
}
/* Special case for last column */
membersum = GETJSAMPLE(*inptr);
neighsum = lastcolsum + (colsum - membersum) + colsum;
membersum = membersum * memberscale + neighsum * neighscale;
- *outptr = (JSAMPLE) ((membersum + 32768) >> 16);
+ *outptr = (JSAMPLE)((membersum + 32768) >> 16);
}
}
@@ -468,7 +468,7 @@ fullsize_smooth_downsample (j_compress_ptr cinfo, jpeg_component_info *compptr,
*/
GLOBAL(void)
-jinit_downsampler (j_compress_ptr cinfo)
+jinit_downsampler(j_compress_ptr cinfo)
{
my_downsample_ptr downsample;
int ci;
@@ -476,9 +476,9 @@ jinit_downsampler (j_compress_ptr cinfo)
boolean smoothok = TRUE;
downsample = (my_downsample_ptr)
- (*cinfo->mem->alloc_small) ((j_common_ptr) cinfo, JPOOL_IMAGE,
+ (*cinfo->mem->alloc_small) ((j_common_ptr)cinfo, JPOOL_IMAGE,
sizeof(my_downsampler));
- cinfo->downsample = (struct jpeg_downsampler *) downsample;
+ cinfo->downsample = (struct jpeg_downsampler *)downsample;
downsample->pub.start_pass = start_pass_downsample;
downsample->pub.downsample = sep_downsample;
downsample->pub.need_context_rows = FALSE;
generated by cgit v1.2.3 (git 2.25.1) at 2024-05-01 09:16:59 +0000