Coverage Report

Created: 2024-01-21 06:57

/src/libjpeg-turbo.main/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
9.80M
{
35
9.80M
#if BITS_IN_JSAMPLE != 16
36
9.80M
  my_cconvert_ptr cconvert = (my_cconvert_ptr)cinfo->cconvert;
37
9.80M
  register int y, cb, cr;
38
9.80M
  register _JSAMPROW outptr;
39
9.80M
  register _JSAMPROW inptr0, inptr1, inptr2;
40
9.80M
  register JDIMENSION col;
41
9.80M
  JDIMENSION num_cols = cinfo->output_width;
42
  /* copy these pointers into registers if possible */
43
9.80M
  register _JSAMPLE *range_limit = (_JSAMPLE *)cinfo->sample_range_limit;
44
9.80M
  register int *Crrtab = cconvert->Cr_r_tab;
45
9.80M
  register int *Cbbtab = cconvert->Cb_b_tab;
46
9.80M
  register JLONG *Crgtab = cconvert->Cr_g_tab;
47
9.80M
  register JLONG *Cbgtab = cconvert->Cb_g_tab;
48
9.80M
  SHIFT_TEMPS
49
50
36.6M
  while (--num_rows >= 0) {
51
26.8M
    inptr0 = input_buf[0][input_row];
52
26.8M
    inptr1 = input_buf[1][input_row];
53
26.8M
    inptr2 = input_buf[2][input_row];
54
26.8M
    input_row++;
55
26.8M
    outptr = *output_buf++;
56
796M
    for (col = 0; col < num_cols; col++) {
57
769M
      y  = inptr0[col];
58
769M
      cb = inptr1[col];
59
769M
      cr = inptr2[col];
60
      /* Range-limiting is essential due to noise introduced by DCT losses. */
61
769M
      outptr[RGB_RED] =   range_limit[y + Crrtab[cr]];
62
769M
      outptr[RGB_GREEN] = range_limit[y +
63
769M
                              ((int)RIGHT_SHIFT(Cbgtab[cb] + Crgtab[cr],
64
769M
                                                SCALEBITS))];
65
769M
      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
65.1M
      outptr[RGB_ALPHA] = _MAXJSAMPLE;
70
#endif
71
769M
      outptr += RGB_PIXELSIZE;
72
769M
    }
73
26.8M
  }
74
#else
75
  ERREXIT(cinfo, JERR_CONVERSION_NOTIMPL);
76
#endif
77
9.80M
}
jdcolor.c:ycc_extrgb_convert_internal
Line
Count
Source
34
8.43M
{
35
8.43M
#if BITS_IN_JSAMPLE != 16
36
8.43M
  my_cconvert_ptr cconvert = (my_cconvert_ptr)cinfo->cconvert;
37
8.43M
  register int y, cb, cr;
38
8.43M
  register _JSAMPROW outptr;
39
8.43M
  register _JSAMPROW inptr0, inptr1, inptr2;
40
8.43M
  register JDIMENSION col;
41
8.43M
  JDIMENSION num_cols = cinfo->output_width;
42
  /* copy these pointers into registers if possible */
43
8.43M
  register _JSAMPLE *range_limit = (_JSAMPLE *)cinfo->sample_range_limit;
44
8.43M
  register int *Crrtab = cconvert->Cr_r_tab;
45
8.43M
  register int *Cbbtab = cconvert->Cb_b_tab;
46
8.43M
  register JLONG *Crgtab = cconvert->Cr_g_tab;
47
8.43M
  register JLONG *Cbgtab = cconvert->Cb_g_tab;
48
8.43M
  SHIFT_TEMPS
49
50
31.0M
  while (--num_rows >= 0) {
51
22.5M
    inptr0 = input_buf[0][input_row];
52
22.5M
    inptr1 = input_buf[1][input_row];
53
22.5M
    inptr2 = input_buf[2][input_row];
54
22.5M
    input_row++;
55
22.5M
    outptr = *output_buf++;
56
727M
    for (col = 0; col < num_cols; col++) {
57
704M
      y  = inptr0[col];
58
704M
      cb = inptr1[col];
59
704M
      cr = inptr2[col];
60
      /* Range-limiting is essential due to noise introduced by DCT losses. */
61
704M
      outptr[RGB_RED] =   range_limit[y + Crrtab[cr]];
62
704M
      outptr[RGB_GREEN] = range_limit[y +
63
704M
                              ((int)RIGHT_SHIFT(Cbgtab[cb] + Crgtab[cr],
64
704M
                                                SCALEBITS))];
65
704M
      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
704M
      outptr += RGB_PIXELSIZE;
72
704M
    }
73
22.5M
  }
74
#else
75
  ERREXIT(cinfo, JERR_CONVERSION_NOTIMPL);
76
#endif
77
8.43M
}
Unexecuted instantiation: jdcolor.c:ycc_extrgbx_convert_internal
Unexecuted instantiation: jdcolor.c:ycc_extbgr_convert_internal
jdcolor.c:ycc_extbgrx_convert_internal
Line
Count
Source
34
1.37M
{
35
1.37M
#if BITS_IN_JSAMPLE != 16
36
1.37M
  my_cconvert_ptr cconvert = (my_cconvert_ptr)cinfo->cconvert;
37
1.37M
  register int y, cb, cr;
38
1.37M
  register _JSAMPROW outptr;
39
1.37M
  register _JSAMPROW inptr0, inptr1, inptr2;
40
1.37M
  register JDIMENSION col;
41
1.37M
  JDIMENSION num_cols = cinfo->output_width;
42
  /* copy these pointers into registers if possible */
43
1.37M
  register _JSAMPLE *range_limit = (_JSAMPLE *)cinfo->sample_range_limit;
44
1.37M
  register int *Crrtab = cconvert->Cr_r_tab;
45
1.37M
  register int *Cbbtab = cconvert->Cb_b_tab;
46
1.37M
  register JLONG *Crgtab = cconvert->Cr_g_tab;
47
1.37M
  register JLONG *Cbgtab = cconvert->Cb_g_tab;
48
1.37M
  SHIFT_TEMPS
49
50
5.61M
  while (--num_rows >= 0) {
51
4.24M
    inptr0 = input_buf[0][input_row];
52
4.24M
    inptr1 = input_buf[1][input_row];
53
4.24M
    inptr2 = input_buf[2][input_row];
54
4.24M
    input_row++;
55
4.24M
    outptr = *output_buf++;
56
69.3M
    for (col = 0; col < num_cols; col++) {
57
65.1M
      y  = inptr0[col];
58
65.1M
      cb = inptr1[col];
59
65.1M
      cr = inptr2[col];
60
      /* Range-limiting is essential due to noise introduced by DCT losses. */
61
65.1M
      outptr[RGB_RED] =   range_limit[y + Crrtab[cr]];
62
65.1M
      outptr[RGB_GREEN] = range_limit[y +
63
65.1M
                              ((int)RIGHT_SHIFT(Cbgtab[cb] + Crgtab[cr],
64
65.1M
                                                SCALEBITS))];
65
65.1M
      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
65.1M
#ifdef RGB_ALPHA
69
65.1M
      outptr[RGB_ALPHA] = _MAXJSAMPLE;
70
65.1M
#endif
71
65.1M
      outptr += RGB_PIXELSIZE;
72
65.1M
    }
73
4.24M
  }
74
#else
75
  ERREXIT(cinfo, JERR_CONVERSION_NOTIMPL);
76
#endif
77
1.37M
}
Unexecuted instantiation: jdcolor.c:ycc_extxbgr_convert_internal
Unexecuted instantiation: jdcolor.c:ycc_extxrgb_convert_internal
Unexecuted instantiation: jdcolor.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
11.1M
{
92
11.1M
  register _JSAMPROW inptr, outptr;
93
11.1M
  register JDIMENSION col;
94
11.1M
  JDIMENSION num_cols = cinfo->output_width;
95
96
27.9M
  while (--num_rows >= 0) {
97
16.8M
    inptr = input_buf[0][input_row++];
98
16.8M
    outptr = *output_buf++;
99
264M
    for (col = 0; col < num_cols; col++) {
100
247M
      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
20.6M
      outptr[RGB_ALPHA] = _MAXJSAMPLE;
105
#endif
106
247M
      outptr += RGB_PIXELSIZE;
107
247M
    }
108
16.8M
  }
109
11.1M
}
jdcolor.c:gray_extrgb_convert_internal
Line
Count
Source
91
10.0M
{
92
10.0M
  register _JSAMPROW inptr, outptr;
93
10.0M
  register JDIMENSION col;
94
10.0M
  JDIMENSION num_cols = cinfo->output_width;
95
96
24.6M
  while (--num_rows >= 0) {
97
14.5M
    inptr = input_buf[0][input_row++];
98
14.5M
    outptr = *output_buf++;
99
241M
    for (col = 0; col < num_cols; col++) {
100
226M
      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
226M
      outptr += RGB_PIXELSIZE;
107
226M
    }
108
14.5M
  }
109
10.0M
}
Unexecuted instantiation: jdcolor.c:gray_extrgbx_convert_internal
Unexecuted instantiation: jdcolor.c:gray_extbgr_convert_internal
jdcolor.c:gray_extbgrx_convert_internal
Line
Count
Source
91
1.07M
{
92
1.07M
  register _JSAMPROW inptr, outptr;
93
1.07M
  register JDIMENSION col;
94
1.07M
  JDIMENSION num_cols = cinfo->output_width;
95
96
3.34M
  while (--num_rows >= 0) {
97
2.27M
    inptr = input_buf[0][input_row++];
98
2.27M
    outptr = *output_buf++;
99
22.9M
    for (col = 0; col < num_cols; col++) {
100
20.6M
      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
20.6M
#ifdef RGB_ALPHA
104
20.6M
      outptr[RGB_ALPHA] = _MAXJSAMPLE;
105
20.6M
#endif
106
20.6M
      outptr += RGB_PIXELSIZE;
107
20.6M
    }
108
2.27M
  }
109
1.07M
}
Unexecuted instantiation: jdcolor.c:gray_extxbgr_convert_internal
Unexecuted instantiation: jdcolor.c:gray_extxrgb_convert_internal
Unexecuted instantiation: jdcolor.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
521k
{
122
521k
  register _JSAMPROW inptr0, inptr1, inptr2;
123
521k
  register _JSAMPROW outptr;
124
521k
  register JDIMENSION col;
125
521k
  JDIMENSION num_cols = cinfo->output_width;
126
127
1.70M
  while (--num_rows >= 0) {
128
1.18M
    inptr0 = input_buf[0][input_row];
129
1.18M
    inptr1 = input_buf[1][input_row];
130
1.18M
    inptr2 = input_buf[2][input_row];
131
1.18M
    input_row++;
132
1.18M
    outptr = *output_buf++;
133
25.5M
    for (col = 0; col < num_cols; col++) {
134
24.3M
      outptr[RGB_RED] = inptr0[col];
135
24.3M
      outptr[RGB_GREEN] = inptr1[col];
136
24.3M
      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
24.3M
      outptr[RGB_ALPHA] = _MAXJSAMPLE;
141
#endif
142
24.3M
      outptr += RGB_PIXELSIZE;
143
24.3M
    }
144
1.18M
  }
145
521k
}
Unexecuted instantiation: jdcolor.c:rgb_extrgb_convert_internal
Unexecuted instantiation: jdcolor.c:rgb_extrgbx_convert_internal
Unexecuted instantiation: jdcolor.c:rgb_extbgr_convert_internal
jdcolor.c:rgb_extbgrx_convert_internal
Line
Count
Source
121
521k
{
122
521k
  register _JSAMPROW inptr0, inptr1, inptr2;
123
521k
  register _JSAMPROW outptr;
124
521k
  register JDIMENSION col;
125
521k
  JDIMENSION num_cols = cinfo->output_width;
126
127
1.70M
  while (--num_rows >= 0) {
128
1.18M
    inptr0 = input_buf[0][input_row];
129
1.18M
    inptr1 = input_buf[1][input_row];
130
1.18M
    inptr2 = input_buf[2][input_row];
131
1.18M
    input_row++;
132
1.18M
    outptr = *output_buf++;
133
25.5M
    for (col = 0; col < num_cols; col++) {
134
24.3M
      outptr[RGB_RED] = inptr0[col];
135
24.3M
      outptr[RGB_GREEN] = inptr1[col];
136
24.3M
      outptr[RGB_BLUE] = inptr2[col];
137
      /* Set unused byte to _MAXJSAMPLE so it can be interpreted as an */
138
      /* opaque alpha channel value */
139
24.3M
#ifdef RGB_ALPHA
140
24.3M
      outptr[RGB_ALPHA] = _MAXJSAMPLE;
141
24.3M
#endif
142
24.3M
      outptr += RGB_PIXELSIZE;
143
24.3M
    }
144
1.18M
  }
145
521k
}
Unexecuted instantiation: jdcolor.c:rgb_extxbgr_convert_internal
Unexecuted instantiation: jdcolor.c:rgb_extxrgb_convert_internal
Unexecuted instantiation: jdcolor.c:rgb_rgb_convert_internal