Coverage Report

Created: 2023-10-07 15:08

/src/libjpeg-turbo.main/jdmrgext.c
Line
Count
Source (jump to first uncovered line)
1
/*
2
 * jdmrgext.c
3
 *
4
 * This file was part of the Independent JPEG Group's software:
5
 * Copyright (C) 1994-1996, Thomas G. Lane.
6
 * libjpeg-turbo Modifications:
7
 * Copyright (C) 2011, 2015, 2020, 2022-2023, D. R. Commander.
8
 * For conditions of distribution and use, see the accompanying README.ijg
9
 * file.
10
 *
11
 * This file contains code for merged upsampling/color conversion.
12
 */
13
14
15
/* This file is included by jdmerge.c */
16
17
18
/*
19
 * Upsample and color convert for the case of 2:1 horizontal and 1:1 vertical.
20
 */
21
22
INLINE
23
LOCAL(void)
24
h2v1_merged_upsample_internal(j_decompress_ptr cinfo, _JSAMPIMAGE input_buf,
25
                              JDIMENSION in_row_group_ctr,
26
                              _JSAMPARRAY output_buf)
27
5.07M
{
28
5.07M
  my_merged_upsample_ptr upsample = (my_merged_upsample_ptr)cinfo->upsample;
29
5.07M
  register int y, cred, cgreen, cblue;
30
5.07M
  int cb, cr;
31
5.07M
  register _JSAMPROW outptr;
32
5.07M
  _JSAMPROW inptr0, inptr1, inptr2;
33
5.07M
  JDIMENSION col;
34
  /* copy these pointers into registers if possible */
35
5.07M
  register _JSAMPLE *range_limit = (_JSAMPLE *)cinfo->sample_range_limit;
36
5.07M
  int *Crrtab = upsample->Cr_r_tab;
37
5.07M
  int *Cbbtab = upsample->Cb_b_tab;
38
5.07M
  JLONG *Crgtab = upsample->Cr_g_tab;
39
5.07M
  JLONG *Cbgtab = upsample->Cb_g_tab;
40
5.07M
  SHIFT_TEMPS
41
42
5.07M
  inptr0 = input_buf[0][in_row_group_ctr];
43
5.07M
  inptr1 = input_buf[1][in_row_group_ctr];
44
5.07M
  inptr2 = input_buf[2][in_row_group_ctr];
45
5.07M
  outptr = output_buf[0];
46
  /* Loop for each pair of output pixels */
47
55.5M
  for (col = cinfo->output_width >> 1; col > 0; col--) {
48
    /* Do the chroma part of the calculation */
49
50.4M
    cb = *inptr1++;
50
50.4M
    cr = *inptr2++;
51
50.4M
    cred = Crrtab[cr];
52
50.4M
    cgreen = (int)RIGHT_SHIFT(Cbgtab[cb] + Crgtab[cr], SCALEBITS);
53
50.4M
    cblue = Cbbtab[cb];
54
    /* Fetch 2 Y values and emit 2 pixels */
55
50.4M
    y  = *inptr0++;
56
50.4M
    outptr[RGB_RED] =   range_limit[y + cred];
57
50.4M
    outptr[RGB_GREEN] = range_limit[y + cgreen];
58
50.4M
    outptr[RGB_BLUE] =  range_limit[y + cblue];
59
#ifdef RGB_ALPHA
60
0
    outptr[RGB_ALPHA] = _MAXJSAMPLE;
61
#endif
62
50.4M
    outptr += RGB_PIXELSIZE;
63
50.4M
    y  = *inptr0++;
64
50.4M
    outptr[RGB_RED] =   range_limit[y + cred];
65
50.4M
    outptr[RGB_GREEN] = range_limit[y + cgreen];
66
50.4M
    outptr[RGB_BLUE] =  range_limit[y + cblue];
67
#ifdef RGB_ALPHA
68
0
    outptr[RGB_ALPHA] = _MAXJSAMPLE;
69
#endif
70
50.4M
    outptr += RGB_PIXELSIZE;
71
50.4M
  }
72
  /* If image width is odd, do the last output column separately */
73
5.07M
  if (cinfo->output_width & 1) {
74
2.35M
    cb = *inptr1;
75
2.35M
    cr = *inptr2;
76
2.35M
    cred = Crrtab[cr];
77
2.35M
    cgreen = (int)RIGHT_SHIFT(Cbgtab[cb] + Crgtab[cr], SCALEBITS);
78
2.35M
    cblue = Cbbtab[cb];
79
2.35M
    y  = *inptr0;
80
2.35M
    outptr[RGB_RED] =   range_limit[y + cred];
81
2.35M
    outptr[RGB_GREEN] = range_limit[y + cgreen];
82
2.35M
    outptr[RGB_BLUE] =  range_limit[y + cblue];
83
#ifdef RGB_ALPHA
84
0
    outptr[RGB_ALPHA] = _MAXJSAMPLE;
85
#endif
86
2.35M
  }
87
5.07M
}
jdmerge.c:extrgb_h2v1_merged_upsample_internal
Line
Count
Source
27
5.07M
{
28
5.07M
  my_merged_upsample_ptr upsample = (my_merged_upsample_ptr)cinfo->upsample;
29
5.07M
  register int y, cred, cgreen, cblue;
30
5.07M
  int cb, cr;
31
5.07M
  register _JSAMPROW outptr;
32
5.07M
  _JSAMPROW inptr0, inptr1, inptr2;
33
5.07M
  JDIMENSION col;
34
  /* copy these pointers into registers if possible */
35
5.07M
  register _JSAMPLE *range_limit = (_JSAMPLE *)cinfo->sample_range_limit;
36
5.07M
  int *Crrtab = upsample->Cr_r_tab;
37
5.07M
  int *Cbbtab = upsample->Cb_b_tab;
38
5.07M
  JLONG *Crgtab = upsample->Cr_g_tab;
39
5.07M
  JLONG *Cbgtab = upsample->Cb_g_tab;
40
5.07M
  SHIFT_TEMPS
41
42
5.07M
  inptr0 = input_buf[0][in_row_group_ctr];
43
5.07M
  inptr1 = input_buf[1][in_row_group_ctr];
44
5.07M
  inptr2 = input_buf[2][in_row_group_ctr];
45
5.07M
  outptr = output_buf[0];
46
  /* Loop for each pair of output pixels */
47
55.5M
  for (col = cinfo->output_width >> 1; col > 0; col--) {
48
    /* Do the chroma part of the calculation */
49
50.4M
    cb = *inptr1++;
50
50.4M
    cr = *inptr2++;
51
50.4M
    cred = Crrtab[cr];
52
50.4M
    cgreen = (int)RIGHT_SHIFT(Cbgtab[cb] + Crgtab[cr], SCALEBITS);
53
50.4M
    cblue = Cbbtab[cb];
54
    /* Fetch 2 Y values and emit 2 pixels */
55
50.4M
    y  = *inptr0++;
56
50.4M
    outptr[RGB_RED] =   range_limit[y + cred];
57
50.4M
    outptr[RGB_GREEN] = range_limit[y + cgreen];
58
50.4M
    outptr[RGB_BLUE] =  range_limit[y + cblue];
59
#ifdef RGB_ALPHA
60
    outptr[RGB_ALPHA] = _MAXJSAMPLE;
61
#endif
62
50.4M
    outptr += RGB_PIXELSIZE;
63
50.4M
    y  = *inptr0++;
64
50.4M
    outptr[RGB_RED] =   range_limit[y + cred];
65
50.4M
    outptr[RGB_GREEN] = range_limit[y + cgreen];
66
50.4M
    outptr[RGB_BLUE] =  range_limit[y + cblue];
67
#ifdef RGB_ALPHA
68
    outptr[RGB_ALPHA] = _MAXJSAMPLE;
69
#endif
70
50.4M
    outptr += RGB_PIXELSIZE;
71
50.4M
  }
72
  /* If image width is odd, do the last output column separately */
73
5.07M
  if (cinfo->output_width & 1) {
74
2.35M
    cb = *inptr1;
75
2.35M
    cr = *inptr2;
76
2.35M
    cred = Crrtab[cr];
77
2.35M
    cgreen = (int)RIGHT_SHIFT(Cbgtab[cb] + Crgtab[cr], SCALEBITS);
78
2.35M
    cblue = Cbbtab[cb];
79
2.35M
    y  = *inptr0;
80
2.35M
    outptr[RGB_RED] =   range_limit[y + cred];
81
2.35M
    outptr[RGB_GREEN] = range_limit[y + cgreen];
82
2.35M
    outptr[RGB_BLUE] =  range_limit[y + cblue];
83
#ifdef RGB_ALPHA
84
    outptr[RGB_ALPHA] = _MAXJSAMPLE;
85
#endif
86
2.35M
  }
87
5.07M
}
Unexecuted instantiation: jdmerge.c:extrgbx_h2v1_merged_upsample_internal
Unexecuted instantiation: jdmerge.c:extbgr_h2v1_merged_upsample_internal
Unexecuted instantiation: jdmerge.c:extbgrx_h2v1_merged_upsample_internal
Unexecuted instantiation: jdmerge.c:extxbgr_h2v1_merged_upsample_internal
Unexecuted instantiation: jdmerge.c:extxrgb_h2v1_merged_upsample_internal
Unexecuted instantiation: jdmerge.c:h2v1_merged_upsample_internal
88
89
90
/*
91
 * Upsample and color convert for the case of 2:1 horizontal and 2:1 vertical.
92
 */
93
94
INLINE
95
LOCAL(void)
96
h2v2_merged_upsample_internal(j_decompress_ptr cinfo, _JSAMPIMAGE input_buf,
97
                              JDIMENSION in_row_group_ctr,
98
                              _JSAMPARRAY output_buf)
99
8.45M
{
100
8.45M
  my_merged_upsample_ptr upsample = (my_merged_upsample_ptr)cinfo->upsample;
101
8.45M
  register int y, cred, cgreen, cblue;
102
8.45M
  int cb, cr;
103
8.45M
  register _JSAMPROW outptr0, outptr1;
104
8.45M
  _JSAMPROW inptr00, inptr01, inptr1, inptr2;
105
8.45M
  JDIMENSION col;
106
  /* copy these pointers into registers if possible */
107
8.45M
  register _JSAMPLE *range_limit = (_JSAMPLE *)cinfo->sample_range_limit;
108
8.45M
  int *Crrtab = upsample->Cr_r_tab;
109
8.45M
  int *Cbbtab = upsample->Cb_b_tab;
110
8.45M
  JLONG *Crgtab = upsample->Cr_g_tab;
111
8.45M
  JLONG *Cbgtab = upsample->Cb_g_tab;
112
8.45M
  SHIFT_TEMPS
113
114
8.45M
  inptr00 = input_buf[0][in_row_group_ctr * 2];
115
8.45M
  inptr01 = input_buf[0][in_row_group_ctr * 2 + 1];
116
8.45M
  inptr1 = input_buf[1][in_row_group_ctr];
117
8.45M
  inptr2 = input_buf[2][in_row_group_ctr];
118
8.45M
  outptr0 = output_buf[0];
119
8.45M
  outptr1 = output_buf[1];
120
  /* Loop for each group of output pixels */
121
124M
  for (col = cinfo->output_width >> 1; col > 0; col--) {
122
    /* Do the chroma part of the calculation */
123
116M
    cb = *inptr1++;
124
116M
    cr = *inptr2++;
125
116M
    cred = Crrtab[cr];
126
116M
    cgreen = (int)RIGHT_SHIFT(Cbgtab[cb] + Crgtab[cr], SCALEBITS);
127
116M
    cblue = Cbbtab[cb];
128
    /* Fetch 4 Y values and emit 4 pixels */
129
116M
    y  = *inptr00++;
130
116M
    outptr0[RGB_RED] =   range_limit[y + cred];
131
116M
    outptr0[RGB_GREEN] = range_limit[y + cgreen];
132
116M
    outptr0[RGB_BLUE] =  range_limit[y + cblue];
133
#ifdef RGB_ALPHA
134
0
    outptr0[RGB_ALPHA] = _MAXJSAMPLE;
135
#endif
136
116M
    outptr0 += RGB_PIXELSIZE;
137
116M
    y  = *inptr00++;
138
116M
    outptr0[RGB_RED] =   range_limit[y + cred];
139
116M
    outptr0[RGB_GREEN] = range_limit[y + cgreen];
140
116M
    outptr0[RGB_BLUE] =  range_limit[y + cblue];
141
#ifdef RGB_ALPHA
142
0
    outptr0[RGB_ALPHA] = _MAXJSAMPLE;
143
#endif
144
116M
    outptr0 += RGB_PIXELSIZE;
145
116M
    y  = *inptr01++;
146
116M
    outptr1[RGB_RED] =   range_limit[y + cred];
147
116M
    outptr1[RGB_GREEN] = range_limit[y + cgreen];
148
116M
    outptr1[RGB_BLUE] =  range_limit[y + cblue];
149
#ifdef RGB_ALPHA
150
0
    outptr1[RGB_ALPHA] = _MAXJSAMPLE;
151
#endif
152
116M
    outptr1 += RGB_PIXELSIZE;
153
116M
    y  = *inptr01++;
154
116M
    outptr1[RGB_RED] =   range_limit[y + cred];
155
116M
    outptr1[RGB_GREEN] = range_limit[y + cgreen];
156
116M
    outptr1[RGB_BLUE] =  range_limit[y + cblue];
157
#ifdef RGB_ALPHA
158
0
    outptr1[RGB_ALPHA] = _MAXJSAMPLE;
159
#endif
160
116M
    outptr1 += RGB_PIXELSIZE;
161
116M
  }
162
  /* If image width is odd, do the last output column separately */
163
8.45M
  if (cinfo->output_width & 1) {
164
2.05M
    cb = *inptr1;
165
2.05M
    cr = *inptr2;
166
2.05M
    cred = Crrtab[cr];
167
2.05M
    cgreen = (int)RIGHT_SHIFT(Cbgtab[cb] + Crgtab[cr], SCALEBITS);
168
2.05M
    cblue = Cbbtab[cb];
169
2.05M
    y  = *inptr00;
170
2.05M
    outptr0[RGB_RED] =   range_limit[y + cred];
171
2.05M
    outptr0[RGB_GREEN] = range_limit[y + cgreen];
172
2.05M
    outptr0[RGB_BLUE] =  range_limit[y + cblue];
173
#ifdef RGB_ALPHA
174
0
    outptr0[RGB_ALPHA] = _MAXJSAMPLE;
175
#endif
176
2.05M
    y  = *inptr01;
177
2.05M
    outptr1[RGB_RED] =   range_limit[y + cred];
178
2.05M
    outptr1[RGB_GREEN] = range_limit[y + cgreen];
179
2.05M
    outptr1[RGB_BLUE] =  range_limit[y + cblue];
180
#ifdef RGB_ALPHA
181
0
    outptr1[RGB_ALPHA] = _MAXJSAMPLE;
182
#endif
183
2.05M
  }
184
8.45M
}
jdmerge.c:extrgb_h2v2_merged_upsample_internal
Line
Count
Source
99
8.45M
{
100
8.45M
  my_merged_upsample_ptr upsample = (my_merged_upsample_ptr)cinfo->upsample;
101
8.45M
  register int y, cred, cgreen, cblue;
102
8.45M
  int cb, cr;
103
8.45M
  register _JSAMPROW outptr0, outptr1;
104
8.45M
  _JSAMPROW inptr00, inptr01, inptr1, inptr2;
105
8.45M
  JDIMENSION col;
106
  /* copy these pointers into registers if possible */
107
8.45M
  register _JSAMPLE *range_limit = (_JSAMPLE *)cinfo->sample_range_limit;
108
8.45M
  int *Crrtab = upsample->Cr_r_tab;
109
8.45M
  int *Cbbtab = upsample->Cb_b_tab;
110
8.45M
  JLONG *Crgtab = upsample->Cr_g_tab;
111
8.45M
  JLONG *Cbgtab = upsample->Cb_g_tab;
112
8.45M
  SHIFT_TEMPS
113
114
8.45M
  inptr00 = input_buf[0][in_row_group_ctr * 2];
115
8.45M
  inptr01 = input_buf[0][in_row_group_ctr * 2 + 1];
116
8.45M
  inptr1 = input_buf[1][in_row_group_ctr];
117
8.45M
  inptr2 = input_buf[2][in_row_group_ctr];
118
8.45M
  outptr0 = output_buf[0];
119
8.45M
  outptr1 = output_buf[1];
120
  /* Loop for each group of output pixels */
121
124M
  for (col = cinfo->output_width >> 1; col > 0; col--) {
122
    /* Do the chroma part of the calculation */
123
116M
    cb = *inptr1++;
124
116M
    cr = *inptr2++;
125
116M
    cred = Crrtab[cr];
126
116M
    cgreen = (int)RIGHT_SHIFT(Cbgtab[cb] + Crgtab[cr], SCALEBITS);
127
116M
    cblue = Cbbtab[cb];
128
    /* Fetch 4 Y values and emit 4 pixels */
129
116M
    y  = *inptr00++;
130
116M
    outptr0[RGB_RED] =   range_limit[y + cred];
131
116M
    outptr0[RGB_GREEN] = range_limit[y + cgreen];
132
116M
    outptr0[RGB_BLUE] =  range_limit[y + cblue];
133
#ifdef RGB_ALPHA
134
    outptr0[RGB_ALPHA] = _MAXJSAMPLE;
135
#endif
136
116M
    outptr0 += RGB_PIXELSIZE;
137
116M
    y  = *inptr00++;
138
116M
    outptr0[RGB_RED] =   range_limit[y + cred];
139
116M
    outptr0[RGB_GREEN] = range_limit[y + cgreen];
140
116M
    outptr0[RGB_BLUE] =  range_limit[y + cblue];
141
#ifdef RGB_ALPHA
142
    outptr0[RGB_ALPHA] = _MAXJSAMPLE;
143
#endif
144
116M
    outptr0 += RGB_PIXELSIZE;
145
116M
    y  = *inptr01++;
146
116M
    outptr1[RGB_RED] =   range_limit[y + cred];
147
116M
    outptr1[RGB_GREEN] = range_limit[y + cgreen];
148
116M
    outptr1[RGB_BLUE] =  range_limit[y + cblue];
149
#ifdef RGB_ALPHA
150
    outptr1[RGB_ALPHA] = _MAXJSAMPLE;
151
#endif
152
116M
    outptr1 += RGB_PIXELSIZE;
153
116M
    y  = *inptr01++;
154
116M
    outptr1[RGB_RED] =   range_limit[y + cred];
155
116M
    outptr1[RGB_GREEN] = range_limit[y + cgreen];
156
116M
    outptr1[RGB_BLUE] =  range_limit[y + cblue];
157
#ifdef RGB_ALPHA
158
    outptr1[RGB_ALPHA] = _MAXJSAMPLE;
159
#endif
160
116M
    outptr1 += RGB_PIXELSIZE;
161
116M
  }
162
  /* If image width is odd, do the last output column separately */
163
8.45M
  if (cinfo->output_width & 1) {
164
2.05M
    cb = *inptr1;
165
2.05M
    cr = *inptr2;
166
2.05M
    cred = Crrtab[cr];
167
2.05M
    cgreen = (int)RIGHT_SHIFT(Cbgtab[cb] + Crgtab[cr], SCALEBITS);
168
2.05M
    cblue = Cbbtab[cb];
169
2.05M
    y  = *inptr00;
170
2.05M
    outptr0[RGB_RED] =   range_limit[y + cred];
171
2.05M
    outptr0[RGB_GREEN] = range_limit[y + cgreen];
172
2.05M
    outptr0[RGB_BLUE] =  range_limit[y + cblue];
173
#ifdef RGB_ALPHA
174
    outptr0[RGB_ALPHA] = _MAXJSAMPLE;
175
#endif
176
2.05M
    y  = *inptr01;
177
2.05M
    outptr1[RGB_RED] =   range_limit[y + cred];
178
2.05M
    outptr1[RGB_GREEN] = range_limit[y + cgreen];
179
2.05M
    outptr1[RGB_BLUE] =  range_limit[y + cblue];
180
#ifdef RGB_ALPHA
181
    outptr1[RGB_ALPHA] = _MAXJSAMPLE;
182
#endif
183
2.05M
  }
184
8.45M
}
Unexecuted instantiation: jdmerge.c:extrgbx_h2v2_merged_upsample_internal
Unexecuted instantiation: jdmerge.c:extbgr_h2v2_merged_upsample_internal
Unexecuted instantiation: jdmerge.c:extbgrx_h2v2_merged_upsample_internal
Unexecuted instantiation: jdmerge.c:extxbgr_h2v2_merged_upsample_internal
Unexecuted instantiation: jdmerge.c:extxrgb_h2v2_merged_upsample_internal
Unexecuted instantiation: jdmerge.c:h2v2_merged_upsample_internal