Coverage Report

Created: 2025-10-13 06:04

next uncovered line (L), next uncovered region (R), next uncovered branch (B)
/src/libjpeg-turbo.main/src/jdcolext.c
Line
Count
Source
1
/*
2
 * jdcolext.c
3
 *
4
 * This file was part of the Independent JPEG Group's software:
5
 * Copyright (C) 1991-1997, Thomas G. Lane.
6
 * libjpeg-turbo Modifications:
7
 * Copyright (C) 2009, 2011, 2015, 2022-2023, D. R. Commander.
8
 * For conditions of distribution and use, see the accompanying README.ijg
9
 * file.
10
 *
11
 * This file contains output colorspace conversion routines.
12
 */
13
14
15
/* This file is included by jdcolor.c */
16
17
18
/*
19
 * Convert some rows of samples to the output colorspace.
20
 *
21
 * Note that we change from noninterleaved, one-plane-per-component format
22
 * to interleaved-pixel format.  The output buffer is therefore three times
23
 * as wide as the input buffer.
24
 * A starting row offset is provided only for the input buffer.  The caller
25
 * can easily adjust the passed output_buf value to accommodate any row
26
 * offset required on that side.
27
 */
28
29
INLINE
30
LOCAL(void)
31
ycc_rgb_convert_internal(j_decompress_ptr cinfo, _JSAMPIMAGE input_buf,
32
                         JDIMENSION input_row, _JSAMPARRAY output_buf,
33
                         int num_rows)
34
706k
{
35
#if BITS_IN_JSAMPLE != 16
36
  my_cconvert_ptr cconvert = (my_cconvert_ptr)cinfo->cconvert;
37
  register int y, cb, cr;
38
  register _JSAMPROW outptr;
39
  register _JSAMPROW inptr0, inptr1, inptr2;
40
  register JDIMENSION col;
41
  JDIMENSION num_cols = cinfo->output_width;
42
  /* copy these pointers into registers if possible */
43
  register _JSAMPLE *range_limit = (_JSAMPLE *)cinfo->sample_range_limit;
44
  register int *Crrtab = cconvert->Cr_r_tab;
45
  register int *Cbbtab = cconvert->Cb_b_tab;
46
  register JLONG *Crgtab = cconvert->Cr_g_tab;
47
  register JLONG *Cbgtab = cconvert->Cb_g_tab;
48
  SHIFT_TEMPS
49
50
2.14M
  while (--num_rows >= 0) {
51
1.44M
    inptr0 = input_buf[0][input_row];
52
1.44M
    inptr1 = input_buf[1][input_row];
53
1.44M
    inptr2 = input_buf[2][input_row];
54
1.44M
    input_row++;
55
1.44M
    outptr = *output_buf++;
56
42.9M
    for (col = 0; col < num_cols; col++) {
57
41.4M
      y  = inptr0[col];
58
41.4M
      cb = inptr1[col];
59
41.4M
      cr = inptr2[col];
60
      /* Range-limiting is essential due to noise introduced by DCT losses. */
61
41.4M
      outptr[RGB_RED] =   range_limit[y + Crrtab[cr]];
62
41.4M
      outptr[RGB_GREEN] = range_limit[y +
63
41.4M
                              ((int)RIGHT_SHIFT(Cbgtab[cb] + Crgtab[cr],
64
41.4M
                                                SCALEBITS))];
65
41.4M
      outptr[RGB_BLUE] =  range_limit[y + Cbbtab[cb]];
66
      /* Set unused byte to _MAXJSAMPLE so it can be interpreted as an */
67
      /* opaque alpha channel value */
68
#ifdef RGB_ALPHA
69
5.16M
      outptr[RGB_ALPHA] = _MAXJSAMPLE;
70
#endif
71
41.4M
      outptr += RGB_PIXELSIZE;
72
41.4M
    }
73
1.44M
  }
74
#else
75
0
  ERREXIT(cinfo, JERR_CONVERSION_NOTIMPL);
76
#endif
77
706k
}
Unexecuted instantiation: jdcolor-8.c:ycc_extrgb_convert_internal
Unexecuted instantiation: jdcolor-8.c:ycc_extrgbx_convert_internal
Unexecuted instantiation: jdcolor-8.c:ycc_extbgr_convert_internal
Unexecuted instantiation: jdcolor-8.c:ycc_extbgrx_convert_internal
Unexecuted instantiation: jdcolor-8.c:ycc_extxbgr_convert_internal
Unexecuted instantiation: jdcolor-8.c:ycc_extxrgb_convert_internal
Unexecuted instantiation: jdcolor-8.c:ycc_rgb_convert_internal
jdcolor-12.c:ycc_extrgb_convert_internal
Line
Count
Source
34
590k
{
35
590k
#if BITS_IN_JSAMPLE != 16
36
590k
  my_cconvert_ptr cconvert = (my_cconvert_ptr)cinfo->cconvert;
37
590k
  register int y, cb, cr;
38
590k
  register _JSAMPROW outptr;
39
590k
  register _JSAMPROW inptr0, inptr1, inptr2;
40
590k
  register JDIMENSION col;
41
590k
  JDIMENSION num_cols = cinfo->output_width;
42
  /* copy these pointers into registers if possible */
43
590k
  register _JSAMPLE *range_limit = (_JSAMPLE *)cinfo->sample_range_limit;
44
590k
  register int *Crrtab = cconvert->Cr_r_tab;
45
590k
  register int *Cbbtab = cconvert->Cb_b_tab;
46
590k
  register JLONG *Crgtab = cconvert->Cr_g_tab;
47
590k
  register JLONG *Cbgtab = cconvert->Cb_g_tab;
48
590k
  SHIFT_TEMPS
49
50
1.80M
  while (--num_rows >= 0) {
51
1.20M
    inptr0 = input_buf[0][input_row];
52
1.20M
    inptr1 = input_buf[1][input_row];
53
1.20M
    inptr2 = input_buf[2][input_row];
54
1.20M
    input_row++;
55
1.20M
    outptr = *output_buf++;
56
37.5M
    for (col = 0; col < num_cols; col++) {
57
36.3M
      y  = inptr0[col];
58
36.3M
      cb = inptr1[col];
59
36.3M
      cr = inptr2[col];
60
      /* Range-limiting is essential due to noise introduced by DCT losses. */
61
36.3M
      outptr[RGB_RED] =   range_limit[y + Crrtab[cr]];
62
36.3M
      outptr[RGB_GREEN] = range_limit[y +
63
36.3M
                              ((int)RIGHT_SHIFT(Cbgtab[cb] + Crgtab[cr],
64
36.3M
                                                SCALEBITS))];
65
36.3M
      outptr[RGB_BLUE] =  range_limit[y + Cbbtab[cb]];
66
      /* Set unused byte to _MAXJSAMPLE so it can be interpreted as an */
67
      /* opaque alpha channel value */
68
#ifdef RGB_ALPHA
69
      outptr[RGB_ALPHA] = _MAXJSAMPLE;
70
#endif
71
36.3M
      outptr += RGB_PIXELSIZE;
72
36.3M
    }
73
1.20M
  }
74
#else
75
  ERREXIT(cinfo, JERR_CONVERSION_NOTIMPL);
76
#endif
77
590k
}
Unexecuted instantiation: jdcolor-12.c:ycc_extrgbx_convert_internal
Unexecuted instantiation: jdcolor-12.c:ycc_extbgr_convert_internal
jdcolor-12.c:ycc_extbgrx_convert_internal
Line
Count
Source
34
115k
{
35
115k
#if BITS_IN_JSAMPLE != 16
36
115k
  my_cconvert_ptr cconvert = (my_cconvert_ptr)cinfo->cconvert;
37
115k
  register int y, cb, cr;
38
115k
  register _JSAMPROW outptr;
39
115k
  register _JSAMPROW inptr0, inptr1, inptr2;
40
115k
  register JDIMENSION col;
41
115k
  JDIMENSION num_cols = cinfo->output_width;
42
  /* copy these pointers into registers if possible */
43
115k
  register _JSAMPLE *range_limit = (_JSAMPLE *)cinfo->sample_range_limit;
44
115k
  register int *Crrtab = cconvert->Cr_r_tab;
45
115k
  register int *Cbbtab = cconvert->Cb_b_tab;
46
115k
  register JLONG *Crgtab = cconvert->Cr_g_tab;
47
115k
  register JLONG *Cbgtab = cconvert->Cb_g_tab;
48
115k
  SHIFT_TEMPS
49
50
348k
  while (--num_rows >= 0) {
51
233k
    inptr0 = input_buf[0][input_row];
52
233k
    inptr1 = input_buf[1][input_row];
53
233k
    inptr2 = input_buf[2][input_row];
54
233k
    input_row++;
55
233k
    outptr = *output_buf++;
56
5.39M
    for (col = 0; col < num_cols; col++) {
57
5.16M
      y  = inptr0[col];
58
5.16M
      cb = inptr1[col];
59
5.16M
      cr = inptr2[col];
60
      /* Range-limiting is essential due to noise introduced by DCT losses. */
61
5.16M
      outptr[RGB_RED] =   range_limit[y + Crrtab[cr]];
62
5.16M
      outptr[RGB_GREEN] = range_limit[y +
63
5.16M
                              ((int)RIGHT_SHIFT(Cbgtab[cb] + Crgtab[cr],
64
5.16M
                                                SCALEBITS))];
65
5.16M
      outptr[RGB_BLUE] =  range_limit[y + Cbbtab[cb]];
66
      /* Set unused byte to _MAXJSAMPLE so it can be interpreted as an */
67
      /* opaque alpha channel value */
68
5.16M
#ifdef RGB_ALPHA
69
5.16M
      outptr[RGB_ALPHA] = _MAXJSAMPLE;
70
5.16M
#endif
71
5.16M
      outptr += RGB_PIXELSIZE;
72
5.16M
    }
73
233k
  }
74
#else
75
  ERREXIT(cinfo, JERR_CONVERSION_NOTIMPL);
76
#endif
77
115k
}
Unexecuted instantiation: jdcolor-12.c:ycc_extxbgr_convert_internal
Unexecuted instantiation: jdcolor-12.c:ycc_extxrgb_convert_internal
Unexecuted instantiation: jdcolor-12.c:ycc_rgb_convert_internal
Unexecuted instantiation: jdcolor-16.c:ycc_extrgb_convert_internal
Unexecuted instantiation: jdcolor-16.c:ycc_extrgbx_convert_internal
Unexecuted instantiation: jdcolor-16.c:ycc_extbgr_convert_internal
Unexecuted instantiation: jdcolor-16.c:ycc_extbgrx_convert_internal
Unexecuted instantiation: jdcolor-16.c:ycc_extxbgr_convert_internal
Unexecuted instantiation: jdcolor-16.c:ycc_extxrgb_convert_internal
Unexecuted instantiation: jdcolor-16.c:ycc_rgb_convert_internal
78
79
80
/*
81
 * Convert grayscale to RGB: just duplicate the graylevel three times.
82
 * This is provided to support applications that don't want to cope
83
 * with grayscale as a separate case.
84
 */
85
86
INLINE
87
LOCAL(void)
88
gray_rgb_convert_internal(j_decompress_ptr cinfo, _JSAMPIMAGE input_buf,
89
                          JDIMENSION input_row, _JSAMPARRAY output_buf,
90
                          int num_rows)
91
6.72M
{
92
6.72M
  register _JSAMPROW inptr, outptr;
93
6.72M
  register JDIMENSION col;
94
6.72M
  JDIMENSION num_cols = cinfo->output_width;
95
96
17.1M
  while (--num_rows >= 0) {
97
10.4M
    inptr = input_buf[0][input_row++];
98
10.4M
    outptr = *output_buf++;
99
812M
    for (col = 0; col < num_cols; col++) {
100
802M
      outptr[RGB_RED] = outptr[RGB_GREEN] = outptr[RGB_BLUE] = inptr[col];
101
      /* Set unused byte to _MAXJSAMPLE so it can be interpreted as an */
102
      /* opaque alpha channel value */
103
#ifdef RGB_ALPHA
104
25.4M
      outptr[RGB_ALPHA] = _MAXJSAMPLE;
105
#endif
106
802M
      outptr += RGB_PIXELSIZE;
107
802M
    }
108
10.4M
  }
109
6.72M
}
jdcolor-8.c:gray_extrgb_convert_internal
Line
Count
Source
91
3.79M
{
92
3.79M
  register _JSAMPROW inptr, outptr;
93
3.79M
  register JDIMENSION col;
94
3.79M
  JDIMENSION num_cols = cinfo->output_width;
95
96
9.38M
  while (--num_rows >= 0) {
97
5.59M
    inptr = input_buf[0][input_row++];
98
5.59M
    outptr = *output_buf++;
99
459M
    for (col = 0; col < num_cols; col++) {
100
454M
      outptr[RGB_RED] = outptr[RGB_GREEN] = outptr[RGB_BLUE] = inptr[col];
101
      /* Set unused byte to _MAXJSAMPLE so it can be interpreted as an */
102
      /* opaque alpha channel value */
103
#ifdef RGB_ALPHA
104
      outptr[RGB_ALPHA] = _MAXJSAMPLE;
105
#endif
106
454M
      outptr += RGB_PIXELSIZE;
107
454M
    }
108
5.59M
  }
109
3.79M
}
Unexecuted instantiation: jdcolor-8.c:gray_extrgbx_convert_internal
Unexecuted instantiation: jdcolor-8.c:gray_extbgr_convert_internal
jdcolor-8.c:gray_extbgrx_convert_internal
Line
Count
Source
91
97.7k
{
92
97.7k
  register _JSAMPROW inptr, outptr;
93
97.7k
  register JDIMENSION col;
94
97.7k
  JDIMENSION num_cols = cinfo->output_width;
95
96
257k
  while (--num_rows >= 0) {
97
159k
    inptr = input_buf[0][input_row++];
98
159k
    outptr = *output_buf++;
99
6.43M
    for (col = 0; col < num_cols; col++) {
100
6.27M
      outptr[RGB_RED] = outptr[RGB_GREEN] = outptr[RGB_BLUE] = inptr[col];
101
      /* Set unused byte to _MAXJSAMPLE so it can be interpreted as an */
102
      /* opaque alpha channel value */
103
6.27M
#ifdef RGB_ALPHA
104
6.27M
      outptr[RGB_ALPHA] = _MAXJSAMPLE;
105
6.27M
#endif
106
6.27M
      outptr += RGB_PIXELSIZE;
107
6.27M
    }
108
159k
  }
109
97.7k
}
Unexecuted instantiation: jdcolor-8.c:gray_extxbgr_convert_internal
Unexecuted instantiation: jdcolor-8.c:gray_extxrgb_convert_internal
Unexecuted instantiation: jdcolor-8.c:gray_rgb_convert_internal
jdcolor-12.c:gray_extrgb_convert_internal
Line
Count
Source
91
2.57M
{
92
2.57M
  register _JSAMPROW inptr, outptr;
93
2.57M
  register JDIMENSION col;
94
2.57M
  JDIMENSION num_cols = cinfo->output_width;
95
96
6.83M
  while (--num_rows >= 0) {
97
4.25M
    inptr = input_buf[0][input_row++];
98
4.25M
    outptr = *output_buf++;
99
326M
    for (col = 0; col < num_cols; col++) {
100
322M
      outptr[RGB_RED] = outptr[RGB_GREEN] = outptr[RGB_BLUE] = inptr[col];
101
      /* Set unused byte to _MAXJSAMPLE so it can be interpreted as an */
102
      /* opaque alpha channel value */
103
#ifdef RGB_ALPHA
104
      outptr[RGB_ALPHA] = _MAXJSAMPLE;
105
#endif
106
322M
      outptr += RGB_PIXELSIZE;
107
322M
    }
108
4.25M
  }
109
2.57M
}
Unexecuted instantiation: jdcolor-12.c:gray_extrgbx_convert_internal
Unexecuted instantiation: jdcolor-12.c:gray_extbgr_convert_internal
jdcolor-12.c:gray_extbgrx_convert_internal
Line
Count
Source
91
262k
{
92
262k
  register _JSAMPROW inptr, outptr;
93
262k
  register JDIMENSION col;
94
262k
  JDIMENSION num_cols = cinfo->output_width;
95
96
717k
  while (--num_rows >= 0) {
97
454k
    inptr = input_buf[0][input_row++];
98
454k
    outptr = *output_buf++;
99
19.6M
    for (col = 0; col < num_cols; col++) {
100
19.1M
      outptr[RGB_RED] = outptr[RGB_GREEN] = outptr[RGB_BLUE] = inptr[col];
101
      /* Set unused byte to _MAXJSAMPLE so it can be interpreted as an */
102
      /* opaque alpha channel value */
103
19.1M
#ifdef RGB_ALPHA
104
19.1M
      outptr[RGB_ALPHA] = _MAXJSAMPLE;
105
19.1M
#endif
106
19.1M
      outptr += RGB_PIXELSIZE;
107
19.1M
    }
108
454k
  }
109
262k
}
Unexecuted instantiation: jdcolor-12.c:gray_extxbgr_convert_internal
Unexecuted instantiation: jdcolor-12.c:gray_extxrgb_convert_internal
Unexecuted instantiation: jdcolor-12.c:gray_rgb_convert_internal
Unexecuted instantiation: jdcolor-16.c:gray_extrgb_convert_internal
Unexecuted instantiation: jdcolor-16.c:gray_extrgbx_convert_internal
Unexecuted instantiation: jdcolor-16.c:gray_extbgr_convert_internal
Unexecuted instantiation: jdcolor-16.c:gray_extbgrx_convert_internal
Unexecuted instantiation: jdcolor-16.c:gray_extxbgr_convert_internal
Unexecuted instantiation: jdcolor-16.c:gray_extxrgb_convert_internal
Unexecuted instantiation: jdcolor-16.c:gray_rgb_convert_internal
110
111
112
/*
113
 * Convert RGB to extended RGB: just swap the order of source pixels
114
 */
115
116
INLINE
117
LOCAL(void)
118
rgb_rgb_convert_internal(j_decompress_ptr cinfo, _JSAMPIMAGE input_buf,
119
                         JDIMENSION input_row, _JSAMPARRAY output_buf,
120
                         int num_rows)
121
12.9k
{
122
12.9k
  register _JSAMPROW inptr0, inptr1, inptr2;
123
12.9k
  register _JSAMPROW outptr;
124
12.9k
  register JDIMENSION col;
125
12.9k
  JDIMENSION num_cols = cinfo->output_width;
126
127
57.1k
  while (--num_rows >= 0) {
128
44.1k
    inptr0 = input_buf[0][input_row];
129
44.1k
    inptr1 = input_buf[1][input_row];
130
44.1k
    inptr2 = input_buf[2][input_row];
131
44.1k
    input_row++;
132
44.1k
    outptr = *output_buf++;
133
2.28M
    for (col = 0; col < num_cols; col++) {
134
2.23M
      outptr[RGB_RED] = inptr0[col];
135
2.23M
      outptr[RGB_GREEN] = inptr1[col];
136
2.23M
      outptr[RGB_BLUE] = inptr2[col];
137
      /* Set unused byte to _MAXJSAMPLE so it can be interpreted as an */
138
      /* opaque alpha channel value */
139
#ifdef RGB_ALPHA
140
2.23M
      outptr[RGB_ALPHA] = _MAXJSAMPLE;
141
#endif
142
2.23M
      outptr += RGB_PIXELSIZE;
143
2.23M
    }
144
44.1k
  }
145
12.9k
}
Unexecuted instantiation: jdcolor-8.c:rgb_extrgb_convert_internal
Unexecuted instantiation: jdcolor-8.c:rgb_extrgbx_convert_internal
Unexecuted instantiation: jdcolor-8.c:rgb_extbgr_convert_internal
jdcolor-8.c:rgb_extbgrx_convert_internal
Line
Count
Source
121
6.99k
{
122
6.99k
  register _JSAMPROW inptr0, inptr1, inptr2;
123
6.99k
  register _JSAMPROW outptr;
124
6.99k
  register JDIMENSION col;
125
6.99k
  JDIMENSION num_cols = cinfo->output_width;
126
127
31.2k
  while (--num_rows >= 0) {
128
24.2k
    inptr0 = input_buf[0][input_row];
129
24.2k
    inptr1 = input_buf[1][input_row];
130
24.2k
    inptr2 = input_buf[2][input_row];
131
24.2k
    input_row++;
132
24.2k
    outptr = *output_buf++;
133
922k
    for (col = 0; col < num_cols; col++) {
134
897k
      outptr[RGB_RED] = inptr0[col];
135
897k
      outptr[RGB_GREEN] = inptr1[col];
136
897k
      outptr[RGB_BLUE] = inptr2[col];
137
      /* Set unused byte to _MAXJSAMPLE so it can be interpreted as an */
138
      /* opaque alpha channel value */
139
897k
#ifdef RGB_ALPHA
140
897k
      outptr[RGB_ALPHA] = _MAXJSAMPLE;
141
897k
#endif
142
897k
      outptr += RGB_PIXELSIZE;
143
897k
    }
144
24.2k
  }
145
6.99k
}
Unexecuted instantiation: jdcolor-8.c:rgb_extxbgr_convert_internal
Unexecuted instantiation: jdcolor-8.c:rgb_extxrgb_convert_internal
Unexecuted instantiation: jdcolor-8.c:rgb_rgb_convert_internal
Unexecuted instantiation: jdcolor-12.c:rgb_extrgb_convert_internal
Unexecuted instantiation: jdcolor-12.c:rgb_extrgbx_convert_internal
Unexecuted instantiation: jdcolor-12.c:rgb_extbgr_convert_internal
jdcolor-12.c:rgb_extbgrx_convert_internal
Line
Count
Source
121
5.50k
{
122
5.50k
  register _JSAMPROW inptr0, inptr1, inptr2;
123
5.50k
  register _JSAMPROW outptr;
124
5.50k
  register JDIMENSION col;
125
5.50k
  JDIMENSION num_cols = cinfo->output_width;
126
127
24.7k
  while (--num_rows >= 0) {
128
19.2k
    inptr0 = input_buf[0][input_row];
129
19.2k
    inptr1 = input_buf[1][input_row];
130
19.2k
    inptr2 = input_buf[2][input_row];
131
19.2k
    input_row++;
132
19.2k
    outptr = *output_buf++;
133
1.34M
    for (col = 0; col < num_cols; col++) {
134
1.33M
      outptr[RGB_RED] = inptr0[col];
135
1.33M
      outptr[RGB_GREEN] = inptr1[col];
136
1.33M
      outptr[RGB_BLUE] = inptr2[col];
137
      /* Set unused byte to _MAXJSAMPLE so it can be interpreted as an */
138
      /* opaque alpha channel value */
139
1.33M
#ifdef RGB_ALPHA
140
1.33M
      outptr[RGB_ALPHA] = _MAXJSAMPLE;
141
1.33M
#endif
142
1.33M
      outptr += RGB_PIXELSIZE;
143
1.33M
    }
144
19.2k
  }
145
5.50k
}
Unexecuted instantiation: jdcolor-12.c:rgb_extxbgr_convert_internal
Unexecuted instantiation: jdcolor-12.c:rgb_extxrgb_convert_internal
Unexecuted instantiation: jdcolor-12.c:rgb_rgb_convert_internal
Unexecuted instantiation: jdcolor-16.c:rgb_extrgb_convert_internal
Unexecuted instantiation: jdcolor-16.c:rgb_extrgbx_convert_internal
Unexecuted instantiation: jdcolor-16.c:rgb_extbgr_convert_internal
jdcolor-16.c:rgb_extbgrx_convert_internal
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{
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  register _JSAMPROW inptr0, inptr1, inptr2;
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  register _JSAMPROW outptr;
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  register JDIMENSION col;
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  JDIMENSION num_cols = cinfo->output_width;
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  while (--num_rows >= 0) {
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    inptr0 = input_buf[0][input_row];
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    inptr1 = input_buf[1][input_row];
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    inptr2 = input_buf[2][input_row];
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    input_row++;
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    outptr = *output_buf++;
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    for (col = 0; col < num_cols; col++) {
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      outptr[RGB_RED] = inptr0[col];
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      outptr[RGB_GREEN] = inptr1[col];
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      outptr[RGB_BLUE] = inptr2[col];
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      /* Set unused byte to _MAXJSAMPLE so it can be interpreted as an */
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      /* opaque alpha channel value */
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#ifdef RGB_ALPHA
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      outptr[RGB_ALPHA] = _MAXJSAMPLE;
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#endif
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      outptr += RGB_PIXELSIZE;
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    }
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  }
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}
Unexecuted instantiation: jdcolor-16.c:rgb_extxbgr_convert_internal
Unexecuted instantiation: jdcolor-16.c:rgb_extxrgb_convert_internal
Unexecuted instantiation: jdcolor-16.c:rgb_rgb_convert_internal