/*

 * jdmrgext.c

 *

 * This file was part of the Independent JPEG Group's software:

 * Copyright (C) 1994-1996, Thomas G. Lane.

 * libjpeg-turbo Modifications:

 * Copyright (C) 2011, 2015, 2020, 2022-2023, 2025, D. R. Commander.

 * For conditions of distribution and use, see the accompanying README.ijg

 * file.

 *

 * This file contains code for merged upsampling/color conversion.

 */

/* This file is included by jdmerge.c */

/*

 * Upsample and color convert for the case of 2:1 horizontal and 1:1 vertical.

 */

INLINE

LOCAL(void)

h2v1_merged_upsample(j_decompress_ptr cinfo, _JSAMPIMAGE input_buf,

                     JDIMENSION in_row_group_ctr, _JSAMPARRAY output_buf)

{

  my_merged_upsample_ptr upsample = (my_merged_upsample_ptr)cinfo->upsample;

  register int y, cred, cgreen, cblue;

  int cb, cr;

  register _JSAMPROW outptr;

  _JSAMPROW inptr0, inptr1, inptr2;

  JDIMENSION col;

  /* copy these pointers into registers if possible */

  register _JSAMPLE *range_limit = (_JSAMPLE *)cinfo->sample_range_limit;

  int *Crrtab = upsample->Cr_r_tab;

  int *Cbbtab = upsample->Cb_b_tab;

  JLONG *Crgtab = upsample->Cr_g_tab;

  JLONG *Cbgtab = upsample->Cb_g_tab;

  SHIFT_TEMPS

  inptr0 = input_buf[0][in_row_group_ctr];

  inptr1 = input_buf[1][in_row_group_ctr];

  inptr2 = input_buf[2][in_row_group_ctr];

  outptr = output_buf[0];

  /* Loop for each pair of output pixels */

  for (col = cinfo->output_width >> 1; col > 0; col--) {

    /* Do the chroma part of the calculation */

    cb = *inptr1++;

    cr = *inptr2++;

    cred = Crrtab[cr];

    cgreen = (int)RIGHT_SHIFT(Cbgtab[cb] + Crgtab[cr], SCALEBITS);

    cblue = Cbbtab[cb];

    /* Fetch 2 Y values and emit 2 pixels */

    y  = *inptr0++;

    outptr[RGB_RED] =   range_limit[y + cred];

    outptr[RGB_GREEN] = range_limit[y + cgreen];

    outptr[RGB_BLUE] =  range_limit[y + cblue];

#ifdef RGB_ALPHA

    outptr[RGB_ALPHA] = _MAXJSAMPLE;

#endif

    outptr += RGB_PIXELSIZE;

    y  = *inptr0++;

    outptr[RGB_RED] =   range_limit[y + cred];

    outptr[RGB_GREEN] = range_limit[y + cgreen];

    outptr[RGB_BLUE] =  range_limit[y + cblue];

#ifdef RGB_ALPHA

    outptr[RGB_ALPHA] = _MAXJSAMPLE;

#endif

    outptr += RGB_PIXELSIZE;

  }

  /* If image width is odd, do the last output column separately */

  if (cinfo->output_width & 1) {

    cb = *inptr1;

    cr = *inptr2;

    cred = Crrtab[cr];

    cgreen = (int)RIGHT_SHIFT(Cbgtab[cb] + Crgtab[cr], SCALEBITS);

    cblue = Cbbtab[cb];

    y  = *inptr0;

    outptr[RGB_RED] =   range_limit[y + cred];

    outptr[RGB_GREEN] = range_limit[y + cgreen];

    outptr[RGB_BLUE] =  range_limit[y + cblue];

#ifdef RGB_ALPHA

    outptr[RGB_ALPHA] = _MAXJSAMPLE;

#endif

  }

}

Unexecuted instantiation: jdmerge-8.c:extrgb_h2v1_merged_upsample

Unexecuted instantiation: jdmerge-8.c:extrgbx_h2v1_merged_upsample

Unexecuted instantiation: jdmerge-8.c:extbgr_h2v1_merged_upsample

Unexecuted instantiation: jdmerge-8.c:extbgrx_h2v1_merged_upsample

Unexecuted instantiation: jdmerge-8.c:extxbgr_h2v1_merged_upsample

Unexecuted instantiation: jdmerge-8.c:extxrgb_h2v1_merged_upsample

Unexecuted instantiation: jdmerge-8.c:h2v1_merged_upsample

jdmerge-12.c:extrgb_h2v1_merged_upsample

Line

Count

Source

26

729k

{

27

729k

  my_merged_upsample_ptr upsample = (my_merged_upsample_ptr)cinfo->upsample;

28

729k

  register int y, cred, cgreen, cblue;

29

729k

  int cb, cr;

30

729k

  register _JSAMPROW outptr;

31

729k

  _JSAMPROW inptr0, inptr1, inptr2;

32

729k

  JDIMENSION col;

33

  /* copy these pointers into registers if possible */

34

729k

  register _JSAMPLE *range_limit = (_JSAMPLE *)cinfo->sample_range_limit;

35

729k

  int *Crrtab = upsample->Cr_r_tab;

36

729k

  int *Cbbtab = upsample->Cb_b_tab;

37

729k

  JLONG *Crgtab = upsample->Cr_g_tab;

38

729k

  JLONG *Cbgtab = upsample->Cb_g_tab;

39

729k

  SHIFT_TEMPS

40

41

729k

  inptr0 = input_buf[0][in_row_group_ctr];

42

729k

  inptr1 = input_buf[1][in_row_group_ctr];

43

729k

  inptr2 = input_buf[2][in_row_group_ctr];

44

729k

  outptr = output_buf[0];

45

  /* Loop for each pair of output pixels */

46

3.67M

  for (col = cinfo->output_width >> 1; col > 0; col--) {

47

    /* Do the chroma part of the calculation */

48

2.94M

    cb = *inptr1++;

49

2.94M

    cr = *inptr2++;

50

2.94M

    cred = Crrtab[cr];

51

2.94M

    cgreen = (int)RIGHT_SHIFT(Cbgtab[cb] + Crgtab[cr], SCALEBITS);

52

2.94M

    cblue = Cbbtab[cb];

53

    /* Fetch 2 Y values and emit 2 pixels */

54

2.94M

    y  = *inptr0++;

55

2.94M

    outptr[RGB_RED] =   range_limit[y + cred];

56

2.94M

    outptr[RGB_GREEN] = range_limit[y + cgreen];

57

2.94M

    outptr[RGB_BLUE] =  range_limit[y + cblue];

58

#ifdef RGB_ALPHA

59

    outptr[RGB_ALPHA] = _MAXJSAMPLE;

60

#endif

61

2.94M

    outptr += RGB_PIXELSIZE;

62

2.94M

    y  = *inptr0++;

63

2.94M

    outptr[RGB_RED] =   range_limit[y + cred];

64

2.94M

    outptr[RGB_GREEN] = range_limit[y + cgreen];

65

2.94M

    outptr[RGB_BLUE] =  range_limit[y + cblue];

66

#ifdef RGB_ALPHA

67

    outptr[RGB_ALPHA] = _MAXJSAMPLE;

68

#endif

69

2.94M

    outptr += RGB_PIXELSIZE;

70

2.94M

  }

71

  /* If image width is odd, do the last output column separately */

72

729k

  if (cinfo->output_width & 1) {

73

263k

    cb = *inptr1;

74

263k

    cr = *inptr2;

75

263k

    cred = Crrtab[cr];

76

263k

    cgreen = (int)RIGHT_SHIFT(Cbgtab[cb] + Crgtab[cr], SCALEBITS);

77

263k

    cblue = Cbbtab[cb];

78

263k

    y  = *inptr0;

79

263k

    outptr[RGB_RED] =   range_limit[y + cred];

80

263k

    outptr[RGB_GREEN] = range_limit[y + cgreen];

81

263k

    outptr[RGB_BLUE] =  range_limit[y + cblue];

82

#ifdef RGB_ALPHA

83

    outptr[RGB_ALPHA] = _MAXJSAMPLE;

84

#endif

85

263k

  }

86

729k

}

Unexecuted instantiation: jdmerge-12.c:extrgbx_h2v1_merged_upsample

Unexecuted instantiation: jdmerge-12.c:extbgr_h2v1_merged_upsample

Unexecuted instantiation: jdmerge-12.c:extbgrx_h2v1_merged_upsample

Unexecuted instantiation: jdmerge-12.c:extxbgr_h2v1_merged_upsample

Unexecuted instantiation: jdmerge-12.c:extxrgb_h2v1_merged_upsample

Unexecuted instantiation: jdmerge-12.c:h2v1_merged_upsample

/*

 * Upsample and color convert for the case of 2:1 horizontal and 2:1 vertical.

 */

INLINE

LOCAL(void)

h2v2_merged_upsample(j_decompress_ptr cinfo, _JSAMPIMAGE input_buf,

                     JDIMENSION in_row_group_ctr, _JSAMPARRAY output_buf)

{

  my_merged_upsample_ptr upsample = (my_merged_upsample_ptr)cinfo->upsample;

  register int y, cred, cgreen, cblue;

  int cb, cr;

  register _JSAMPROW outptr0, outptr1;

  _JSAMPROW inptr00, inptr01, inptr1, inptr2;

  JDIMENSION col;

  /* copy these pointers into registers if possible */

  register _JSAMPLE *range_limit = (_JSAMPLE *)cinfo->sample_range_limit;

  int *Crrtab = upsample->Cr_r_tab;

  int *Cbbtab = upsample->Cb_b_tab;

  JLONG *Crgtab = upsample->Cr_g_tab;

  JLONG *Cbgtab = upsample->Cb_g_tab;

  SHIFT_TEMPS

  inptr00 = input_buf[0][in_row_group_ctr * 2];

  inptr01 = input_buf[0][in_row_group_ctr * 2 + 1];

  inptr1 = input_buf[1][in_row_group_ctr];

  inptr2 = input_buf[2][in_row_group_ctr];

  outptr0 = output_buf[0];

  outptr1 = output_buf[1];

  /* Loop for each group of output pixels */

  for (col = cinfo->output_width >> 1; col > 0; col--) {

    /* Do the chroma part of the calculation */

    cb = *inptr1++;

    cr = *inptr2++;

    cred = Crrtab[cr];

    cgreen = (int)RIGHT_SHIFT(Cbgtab[cb] + Crgtab[cr], SCALEBITS);

    cblue = Cbbtab[cb];

    /* Fetch 4 Y values and emit 4 pixels */

    y  = *inptr00++;

    outptr0[RGB_RED] =   range_limit[y + cred];

    outptr0[RGB_GREEN] = range_limit[y + cgreen];

    outptr0[RGB_BLUE] =  range_limit[y + cblue];

#ifdef RGB_ALPHA

    outptr0[RGB_ALPHA] = _MAXJSAMPLE;

#endif

    outptr0 += RGB_PIXELSIZE;

    y  = *inptr00++;

    outptr0[RGB_RED] =   range_limit[y + cred];

    outptr0[RGB_GREEN] = range_limit[y + cgreen];

    outptr0[RGB_BLUE] =  range_limit[y + cblue];

#ifdef RGB_ALPHA

    outptr0[RGB_ALPHA] = _MAXJSAMPLE;

#endif

    outptr0 += RGB_PIXELSIZE;

    y  = *inptr01++;

    outptr1[RGB_RED] =   range_limit[y + cred];

    outptr1[RGB_GREEN] = range_limit[y + cgreen];

    outptr1[RGB_BLUE] =  range_limit[y + cblue];

#ifdef RGB_ALPHA

    outptr1[RGB_ALPHA] = _MAXJSAMPLE;

#endif

    outptr1 += RGB_PIXELSIZE;

    y  = *inptr01++;

    outptr1[RGB_RED] =   range_limit[y + cred];

    outptr1[RGB_GREEN] = range_limit[y + cgreen];

    outptr1[RGB_BLUE] =  range_limit[y + cblue];

#ifdef RGB_ALPHA

    outptr1[RGB_ALPHA] = _MAXJSAMPLE;

#endif

    outptr1 += RGB_PIXELSIZE;

  }

  /* If image width is odd, do the last output column separately */

  if (cinfo->output_width & 1) {

    cb = *inptr1;

    cr = *inptr2;

    cred = Crrtab[cr];

    cgreen = (int)RIGHT_SHIFT(Cbgtab[cb] + Crgtab[cr], SCALEBITS);

    cblue = Cbbtab[cb];

    y  = *inptr00;

    outptr0[RGB_RED] =   range_limit[y + cred];

    outptr0[RGB_GREEN] = range_limit[y + cgreen];

    outptr0[RGB_BLUE] =  range_limit[y + cblue];

#ifdef RGB_ALPHA

    outptr0[RGB_ALPHA] = _MAXJSAMPLE;

#endif

    y  = *inptr01;

    outptr1[RGB_RED] =   range_limit[y + cred];

    outptr1[RGB_GREEN] = range_limit[y + cgreen];

    outptr1[RGB_BLUE] =  range_limit[y + cblue];

#ifdef RGB_ALPHA

    outptr1[RGB_ALPHA] = _MAXJSAMPLE;

#endif

  }

}

Unexecuted instantiation: jdmerge-8.c:extrgb_h2v2_merged_upsample

Unexecuted instantiation: jdmerge-8.c:extrgbx_h2v2_merged_upsample

Unexecuted instantiation: jdmerge-8.c:extbgr_h2v2_merged_upsample

Unexecuted instantiation: jdmerge-8.c:extbgrx_h2v2_merged_upsample

Unexecuted instantiation: jdmerge-8.c:extxbgr_h2v2_merged_upsample

Unexecuted instantiation: jdmerge-8.c:extxrgb_h2v2_merged_upsample

Unexecuted instantiation: jdmerge-8.c:h2v2_merged_upsample

jdmerge-12.c:extrgb_h2v2_merged_upsample

Line

Count

Source

97

61.7k

{

98

61.7k

  my_merged_upsample_ptr upsample = (my_merged_upsample_ptr)cinfo->upsample;

99

61.7k

  register int y, cred, cgreen, cblue;

100

61.7k

  int cb, cr;

101

61.7k

  register _JSAMPROW outptr0, outptr1;

102

61.7k

  _JSAMPROW inptr00, inptr01, inptr1, inptr2;

103

61.7k

  JDIMENSION col;

104

  /* copy these pointers into registers if possible */

105

61.7k

  register _JSAMPLE *range_limit = (_JSAMPLE *)cinfo->sample_range_limit;

106

61.7k

  int *Crrtab = upsample->Cr_r_tab;

107

61.7k

  int *Cbbtab = upsample->Cb_b_tab;

108

61.7k

  JLONG *Crgtab = upsample->Cr_g_tab;

109

61.7k

  JLONG *Cbgtab = upsample->Cb_g_tab;

110

61.7k

  SHIFT_TEMPS

111

112

61.7k

  inptr00 = input_buf[0][in_row_group_ctr * 2];

113

61.7k

  inptr01 = input_buf[0][in_row_group_ctr * 2 + 1];

114

61.7k

  inptr1 = input_buf[1][in_row_group_ctr];

115

61.7k

  inptr2 = input_buf[2][in_row_group_ctr];

116

61.7k

  outptr0 = output_buf[0];

117

61.7k

  outptr1 = output_buf[1];

118

  /* Loop for each group of output pixels */

119

1.00M

  for (col = cinfo->output_width >> 1; col > 0; col--) {

120

    /* Do the chroma part of the calculation */

121

939k

    cb = *inptr1++;

122

939k

    cr = *inptr2++;

123

939k

    cred = Crrtab[cr];

124

939k

    cgreen = (int)RIGHT_SHIFT(Cbgtab[cb] + Crgtab[cr], SCALEBITS);

125

939k

    cblue = Cbbtab[cb];

126

    /* Fetch 4 Y values and emit 4 pixels */

127

939k

    y  = *inptr00++;

128

939k

    outptr0[RGB_RED] =   range_limit[y + cred];

129

939k

    outptr0[RGB_GREEN] = range_limit[y + cgreen];

130

939k

    outptr0[RGB_BLUE] =  range_limit[y + cblue];

131

#ifdef RGB_ALPHA

132

    outptr0[RGB_ALPHA] = _MAXJSAMPLE;

133

#endif

134

939k

    outptr0 += RGB_PIXELSIZE;

135

939k

    y  = *inptr00++;

136

939k

    outptr0[RGB_RED] =   range_limit[y + cred];

137

939k

    outptr0[RGB_GREEN] = range_limit[y + cgreen];

138

939k

    outptr0[RGB_BLUE] =  range_limit[y + cblue];

139

#ifdef RGB_ALPHA

140

    outptr0[RGB_ALPHA] = _MAXJSAMPLE;

141

#endif

142

939k

    outptr0 += RGB_PIXELSIZE;

143

939k

    y  = *inptr01++;

144

939k

    outptr1[RGB_RED] =   range_limit[y + cred];

145

939k

    outptr1[RGB_GREEN] = range_limit[y + cgreen];

146

939k

    outptr1[RGB_BLUE] =  range_limit[y + cblue];

147

#ifdef RGB_ALPHA

148

    outptr1[RGB_ALPHA] = _MAXJSAMPLE;

149

#endif

150

939k

    outptr1 += RGB_PIXELSIZE;

151

939k

    y  = *inptr01++;

152

939k

    outptr1[RGB_RED] =   range_limit[y + cred];

153

939k

    outptr1[RGB_GREEN] = range_limit[y + cgreen];

154

939k

    outptr1[RGB_BLUE] =  range_limit[y + cblue];

155

#ifdef RGB_ALPHA

156

    outptr1[RGB_ALPHA] = _MAXJSAMPLE;

157

#endif

158

939k

    outptr1 += RGB_PIXELSIZE;

159

939k

  }

160

  /* If image width is odd, do the last output column separately */

161

61.7k

  if (cinfo->output_width & 1) {

162

54.2k

    cb = *inptr1;

163

54.2k

    cr = *inptr2;

164

54.2k

    cred = Crrtab[cr];

165

54.2k

    cgreen = (int)RIGHT_SHIFT(Cbgtab[cb] + Crgtab[cr], SCALEBITS);

166

54.2k

    cblue = Cbbtab[cb];

167

54.2k

    y  = *inptr00;

168

54.2k

    outptr0[RGB_RED] =   range_limit[y + cred];

169

54.2k

    outptr0[RGB_GREEN] = range_limit[y + cgreen];

170

54.2k

    outptr0[RGB_BLUE] =  range_limit[y + cblue];

171

#ifdef RGB_ALPHA

172

    outptr0[RGB_ALPHA] = _MAXJSAMPLE;

173

#endif

174

54.2k

    y  = *inptr01;

175

54.2k

    outptr1[RGB_RED] =   range_limit[y + cred];

176

54.2k

    outptr1[RGB_GREEN] = range_limit[y + cgreen];

177

54.2k

    outptr1[RGB_BLUE] =  range_limit[y + cblue];

178

#ifdef RGB_ALPHA

179

    outptr1[RGB_ALPHA] = _MAXJSAMPLE;

180

#endif

181

54.2k

  }

182

61.7k

}

Unexecuted instantiation: jdmerge-12.c:extrgbx_h2v2_merged_upsample

Unexecuted instantiation: jdmerge-12.c:extbgr_h2v2_merged_upsample

Unexecuted instantiation: jdmerge-12.c:extbgrx_h2v2_merged_upsample

Unexecuted instantiation: jdmerge-12.c:extxbgr_h2v2_merged_upsample

Unexecuted instantiation: jdmerge-12.c:extxrgb_h2v2_merged_upsample

Unexecuted instantiation: jdmerge-12.c:h2v2_merged_upsample