/*

 * 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, 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_internal(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

  }

}

jdmerge.c:extrgb_h2v1_merged_upsample_internal

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{

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  my_merged_upsample_ptr upsample = (my_merged_upsample_ptr)cinfo->upsample;

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  register int y, cred, cgreen, cblue;

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  int cb, cr;

31

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  register _JSAMPROW outptr;

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  _JSAMPROW inptr0, inptr1, inptr2;

33

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  JDIMENSION col;

34

  /* copy these pointers into registers if possible */

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

36

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  int *Crrtab = upsample->Cr_r_tab;

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  int *Cbbtab = upsample->Cb_b_tab;

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  JLONG *Crgtab = upsample->Cr_g_tab;

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  JLONG *Cbgtab = upsample->Cb_g_tab;

40

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  SHIFT_TEMPS

41

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  inptr0 = input_buf[0][in_row_group_ctr];

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  inptr1 = input_buf[1][in_row_group_ctr];

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  inptr2 = input_buf[2][in_row_group_ctr];

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  outptr = output_buf[0];

46

  /* Loop for each pair of output pixels */

47

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

48

    /* Do the chroma part of the calculation */

49

3.18M

    cb = *inptr1++;

50

3.18M

    cr = *inptr2++;

51

3.18M

    cred = Crrtab[cr];

52

3.18M

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

53

3.18M

    cblue = Cbbtab[cb];

54

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

55

3.18M

    y  = *inptr0++;

56

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

57

3.18M

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

58

3.18M

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

59

#ifdef RGB_ALPHA

60

    outptr[RGB_ALPHA] = _MAXJSAMPLE;

61

#endif

62

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    outptr += RGB_PIXELSIZE;

63

3.18M

    y  = *inptr0++;

64

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

65

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

66

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

67

#ifdef RGB_ALPHA

68

    outptr[RGB_ALPHA] = _MAXJSAMPLE;

69

#endif

70

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    outptr += RGB_PIXELSIZE;

71

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  }

72

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

73

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  if (cinfo->output_width & 1) {

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    cb = *inptr1;

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    cr = *inptr2;

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    cred = Crrtab[cr];

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

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    cblue = Cbbtab[cb];

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    y  = *inptr0;

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

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

82

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

83

#ifdef RGB_ALPHA

84

    outptr[RGB_ALPHA] = _MAXJSAMPLE;

85

#endif

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  }

87

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}

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

/*

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

 */

INLINE

LOCAL(void)

h2v2_merged_upsample_internal(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

  }

}

jdmerge.c:extrgb_h2v2_merged_upsample_internal

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{

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  my_merged_upsample_ptr upsample = (my_merged_upsample_ptr)cinfo->upsample;

101

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  register int y, cred, cgreen, cblue;

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  int cb, cr;

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  register _JSAMPROW outptr0, outptr1;

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  _JSAMPROW inptr00, inptr01, inptr1, inptr2;

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  JDIMENSION col;

106

  /* copy these pointers into registers if possible */

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

108

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  int *Crrtab = upsample->Cr_r_tab;

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  int *Cbbtab = upsample->Cb_b_tab;

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  JLONG *Crgtab = upsample->Cr_g_tab;

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  JLONG *Cbgtab = upsample->Cb_g_tab;

112

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  SHIFT_TEMPS

113

114

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

115

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

116

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  inptr1 = input_buf[1][in_row_group_ctr];

117

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  inptr2 = input_buf[2][in_row_group_ctr];

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  outptr0 = output_buf[0];

119

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  outptr1 = output_buf[1];

120

  /* Loop for each group of output pixels */

121

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

122

    /* Do the chroma part of the calculation */

123

8.23M

    cb = *inptr1++;

124

8.23M

    cr = *inptr2++;

125

8.23M

    cred = Crrtab[cr];

126

8.23M

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

127

8.23M

    cblue = Cbbtab[cb];

128

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

129

8.23M

    y  = *inptr00++;

130

8.23M

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

131

8.23M

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

132

8.23M

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

133

#ifdef RGB_ALPHA

134

    outptr0[RGB_ALPHA] = _MAXJSAMPLE;

135

#endif

136

8.23M

    outptr0 += RGB_PIXELSIZE;

137

8.23M

    y  = *inptr00++;

138

8.23M

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

139

8.23M

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

140

8.23M

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

141

#ifdef RGB_ALPHA

142

    outptr0[RGB_ALPHA] = _MAXJSAMPLE;

143

#endif

144

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    outptr0 += RGB_PIXELSIZE;

145

8.23M

    y  = *inptr01++;

146

8.23M

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

147

8.23M

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

148

8.23M

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

149

#ifdef RGB_ALPHA

150

    outptr1[RGB_ALPHA] = _MAXJSAMPLE;

151

#endif

152

8.23M

    outptr1 += RGB_PIXELSIZE;

153

8.23M

    y  = *inptr01++;

154

8.23M

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

155

8.23M

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

156

8.23M

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

157

#ifdef RGB_ALPHA

158

    outptr1[RGB_ALPHA] = _MAXJSAMPLE;

159

#endif

160

8.23M

    outptr1 += RGB_PIXELSIZE;

161

8.23M

  }

162

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

163

234k

  if (cinfo->output_width & 1) {

164

226k

    cb = *inptr1;

165

226k

    cr = *inptr2;

166

226k

    cred = Crrtab[cr];

167

226k

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

168

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    cblue = Cbbtab[cb];

169

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    y  = *inptr00;

170

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

171

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

172

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

173

#ifdef RGB_ALPHA

174

    outptr0[RGB_ALPHA] = _MAXJSAMPLE;

175

#endif

176

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    y  = *inptr01;

177

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

178

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

179

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

180

#ifdef RGB_ALPHA

181

    outptr1[RGB_ALPHA] = _MAXJSAMPLE;

182

#endif

183

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  }

184

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}

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