/src/libjpeg-turbo.main/jdmrg565.c

Source (jump to first uncovered line)
/*
 * jdmrg565.c
 *
 * This file was part of the Independent JPEG Group's software:
 * Copyright (C) 1994-1996, Thomas G. Lane.
 * libjpeg-turbo Modifications:
 * Copyright (C) 2013, Linaro Limited.
 * Copyright (C) 2014-2015, 2018, 2020, D. R. Commander.
 * For conditions of distribution and use, see the accompanying README.ijg
 * file.
 *
 * This file contains code for merged upsampling/color conversion.
 */


INLINE
LOCAL(void)
h2v1_merged_upsample_565_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 = 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;
  unsigned int r, g, b;
  JLONG rgb;
  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++;
    r = range_limit[y + cred];
    g = range_limit[y + cgreen];
    b = range_limit[y + cblue];
    rgb = PACK_SHORT_565(r, g, b);

    y  = *inptr0++;
    r = range_limit[y + cred];
    g = range_limit[y + cgreen];
    b = range_limit[y + cblue];
    rgb = PACK_TWO_PIXELS(rgb, PACK_SHORT_565(r, g, b));

    WRITE_TWO_PIXELS(outptr, rgb);
    outptr += 4;
  }

  /* 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;
    r = range_limit[y + cred];
    g = range_limit[y + cgreen];
    b = range_limit[y + cblue];
    rgb = PACK_SHORT_565(r, g, b);
    *(INT16 *)outptr = (INT16)rgb;
  }
}


INLINE
LOCAL(void)
h2v1_merged_upsample_565D_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 = 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;
  JLONG d0 = dither_matrix[cinfo->output_scanline & DITHER_MASK];
  unsigned int r, g, b;
  JLONG rgb;
  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++;
    r = range_limit[DITHER_565_R(y + cred, d0)];
    g = range_limit[DITHER_565_G(y + cgreen, d0)];
    b = range_limit[DITHER_565_B(y + cblue, d0)];
    d0 = DITHER_ROTATE(d0);
    rgb = PACK_SHORT_565(r, g, b);

    y  = *inptr0++;
    r = range_limit[DITHER_565_R(y + cred, d0)];
    g = range_limit[DITHER_565_G(y + cgreen, d0)];
    b = range_limit[DITHER_565_B(y + cblue, d0)];
    d0 = DITHER_ROTATE(d0);
    rgb = PACK_TWO_PIXELS(rgb, PACK_SHORT_565(r, g, b));

    WRITE_TWO_PIXELS(outptr, rgb);
    outptr += 4;
  }

  /* 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;
    r = range_limit[DITHER_565_R(y + cred, d0)];
    g = range_limit[DITHER_565_G(y + cgreen, d0)];
    b = range_limit[DITHER_565_B(y + cblue, d0)];
    rgb = PACK_SHORT_565(r, g, b);
    *(INT16 *)outptr = (INT16)rgb;
  }
}


INLINE
LOCAL(void)
h2v2_merged_upsample_565_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 = 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;
  unsigned int r, g, b;
  JLONG rgb;
  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++;
    r = range_limit[y + cred];
    g = range_limit[y + cgreen];
    b = range_limit[y + cblue];
    rgb = PACK_SHORT_565(r, g, b);

    y  = *inptr00++;
    r = range_limit[y + cred];
    g = range_limit[y + cgreen];
    b = range_limit[y + cblue];
    rgb = PACK_TWO_PIXELS(rgb, PACK_SHORT_565(r, g, b));

    WRITE_TWO_PIXELS(outptr0, rgb);
    outptr0 += 4;

    y  = *inptr01++;
    r = range_limit[y + cred];
    g = range_limit[y + cgreen];
    b = range_limit[y + cblue];
    rgb = PACK_SHORT_565(r, g, b);

    y  = *inptr01++;
    r = range_limit[y + cred];
    g = range_limit[y + cgreen];
    b = range_limit[y + cblue];
    rgb = PACK_TWO_PIXELS(rgb, PACK_SHORT_565(r, g, b));

    WRITE_TWO_PIXELS(outptr1, rgb);
    outptr1 += 4;
  }

  /* 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;
    r = range_limit[y + cred];
    g = range_limit[y + cgreen];
    b = range_limit[y + cblue];
    rgb = PACK_SHORT_565(r, g, b);
    *(INT16 *)outptr0 = (INT16)rgb;

    y  = *inptr01;
    r = range_limit[y + cred];
    g = range_limit[y + cgreen];
    b = range_limit[y + cblue];
    rgb = PACK_SHORT_565(r, g, b);
    *(INT16 *)outptr1 = (INT16)rgb;
  }
}


INLINE
LOCAL(void)
h2v2_merged_upsample_565D_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 = 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;
  JLONG d0 = dither_matrix[cinfo->output_scanline & DITHER_MASK];
  JLONG d1 = dither_matrix[(cinfo->output_scanline + 1) & DITHER_MASK];
  unsigned int r, g, b;
  JLONG rgb;
  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++;
    r = range_limit[DITHER_565_R(y + cred, d0)];
    g = range_limit[DITHER_565_G(y + cgreen, d0)];
    b = range_limit[DITHER_565_B(y + cblue, d0)];
    d0 = DITHER_ROTATE(d0);
    rgb = PACK_SHORT_565(r, g, b);

    y  = *inptr00++;
    r = range_limit[DITHER_565_R(y + cred, d0)];
    g = range_limit[DITHER_565_G(y + cgreen, d0)];
    b = range_limit[DITHER_565_B(y + cblue, d0)];
    d0 = DITHER_ROTATE(d0);
    rgb = PACK_TWO_PIXELS(rgb, PACK_SHORT_565(r, g, b));

    WRITE_TWO_PIXELS(outptr0, rgb);
    outptr0 += 4;

    y  = *inptr01++;
    r = range_limit[DITHER_565_R(y + cred, d1)];
    g = range_limit[DITHER_565_G(y + cgreen, d1)];
    b = range_limit[DITHER_565_B(y + cblue, d1)];
    d1 = DITHER_ROTATE(d1);
    rgb = PACK_SHORT_565(r, g, b);

    y  = *inptr01++;
    r = range_limit[DITHER_565_R(y + cred, d1)];
    g = range_limit[DITHER_565_G(y + cgreen, d1)];
    b = range_limit[DITHER_565_B(y + cblue, d1)];
    d1 = DITHER_ROTATE(d1);
    rgb = PACK_TWO_PIXELS(rgb, PACK_SHORT_565(r, g, b));

    WRITE_TWO_PIXELS(outptr1, rgb);
    outptr1 += 4;
  }

  /* 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;
    r = range_limit[DITHER_565_R(y + cred, d0)];
    g = range_limit[DITHER_565_G(y + cgreen, d0)];
    b = range_limit[DITHER_565_B(y + cblue, d0)];
    rgb = PACK_SHORT_565(r, g, b);
    *(INT16 *)outptr0 = (INT16)rgb;

    y  = *inptr01;
    r = range_limit[DITHER_565_R(y + cred, d1)];
    g = range_limit[DITHER_565_G(y + cgreen, d1)];
    b = range_limit[DITHER_565_B(y + cblue, d1)];
    rgb = PACK_SHORT_565(r, g, b);
    *(INT16 *)outptr1 = (INT16)rgb;
  }
}

Coverage Report

Created: 2024-05-18 12:36

Line	Count	Source (jump to first uncovered line)
1		/*
2		* jdmrg565.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) 2013, Linaro Limited.
8		* Copyright (C) 2014-2015, 2018, 2020, D. R. Commander.
9		* For conditions of distribution and use, see the accompanying README.ijg
10		* file.
11		*
12		* This file contains code for merged upsampling/color conversion.
13		*/
14
15
16		INLINE
17		LOCAL(void)
18		h2v1_merged_upsample_565_internal(j_decompress_ptr cinfo, JSAMPIMAGE input_buf,
19		JDIMENSION in_row_group_ctr,
20		JSAMPARRAY output_buf)
21	0	{
22	0	my_merged_upsample_ptr upsample = (my_merged_upsample_ptr)cinfo->upsample;
23	0	register int y, cred, cgreen, cblue;
24	0	int cb, cr;
25	0	register JSAMPROW outptr;
26	0	JSAMPROW inptr0, inptr1, inptr2;
27	0	JDIMENSION col;
28		/* copy these pointers into registers if possible */
29	0	register JSAMPLE *range_limit = cinfo->sample_range_limit;
30	0	int *Crrtab = upsample->Cr_r_tab;
31	0	int *Cbbtab = upsample->Cb_b_tab;
32	0	JLONG *Crgtab = upsample->Cr_g_tab;
33	0	JLONG *Cbgtab = upsample->Cb_g_tab;
34	0	unsigned int r, g, b;
35	0	JLONG rgb;
36	0	SHIFT_TEMPS
37
38	0	inptr0 = input_buf[0][in_row_group_ctr];
39	0	inptr1 = input_buf[1][in_row_group_ctr];
40	0	inptr2 = input_buf[2][in_row_group_ctr];
41	0	outptr = output_buf[0];
42
43		/* Loop for each pair of output pixels */
44	0	for (col = cinfo->output_width >> 1; col > 0; col--) {
45		/* Do the chroma part of the calculation */
46	0	cb = *inptr1++;
47	0	cr = *inptr2++;
48	0	cred = Crrtab[cr];
49	0	cgreen = (int)RIGHT_SHIFT(Cbgtab[cb] + Crgtab[cr], SCALEBITS);
50	0	cblue = Cbbtab[cb];
51
52		/* Fetch 2 Y values and emit 2 pixels */
53	0	y = *inptr0++;
54	0	r = range_limit[y + cred];
55	0	g = range_limit[y + cgreen];
56	0	b = range_limit[y + cblue];
57	0	rgb = PACK_SHORT_565(r, g, b);
58
59	0	y = *inptr0++;
60	0	r = range_limit[y + cred];
61	0	g = range_limit[y + cgreen];
62	0	b = range_limit[y + cblue];
63	0	rgb = PACK_TWO_PIXELS(rgb, PACK_SHORT_565(r, g, b));
64
65	0	WRITE_TWO_PIXELS(outptr, rgb);
66	0	outptr += 4;
67	0	}
68
69		/* If image width is odd, do the last output column separately */
70	0	if (cinfo->output_width & 1) {
71	0	cb = *inptr1;
72	0	cr = *inptr2;
73	0	cred = Crrtab[cr];
74	0	cgreen = (int)RIGHT_SHIFT(Cbgtab[cb] + Crgtab[cr], SCALEBITS);
75	0	cblue = Cbbtab[cb];
76	0	y = *inptr0;
77	0	r = range_limit[y + cred];
78	0	g = range_limit[y + cgreen];
79	0	b = range_limit[y + cblue];
80	0	rgb = PACK_SHORT_565(r, g, b);
81	0	(INT16 )outptr = (INT16)rgb;
82	0	}
83	0	} Unexecuted instantiation: jdmerge.c:h2v1_merged_upsample_565_be Unexecuted instantiation: jdmerge.c:h2v1_merged_upsample_565_le
84
85
86		INLINE
87		LOCAL(void)
88		h2v1_merged_upsample_565D_internal(j_decompress_ptr cinfo,
89		JSAMPIMAGE input_buf,
90		JDIMENSION in_row_group_ctr,
91		JSAMPARRAY output_buf)
92	0	{
93	0	my_merged_upsample_ptr upsample = (my_merged_upsample_ptr)cinfo->upsample;
94	0	register int y, cred, cgreen, cblue;
95	0	int cb, cr;
96	0	register JSAMPROW outptr;
97	0	JSAMPROW inptr0, inptr1, inptr2;
98	0	JDIMENSION col;
99		/* copy these pointers into registers if possible */
100	0	register JSAMPLE *range_limit = cinfo->sample_range_limit;
101	0	int *Crrtab = upsample->Cr_r_tab;
102	0	int *Cbbtab = upsample->Cb_b_tab;
103	0	JLONG *Crgtab = upsample->Cr_g_tab;
104	0	JLONG *Cbgtab = upsample->Cb_g_tab;
105	0	JLONG d0 = dither_matrix[cinfo->output_scanline & DITHER_MASK];
106	0	unsigned int r, g, b;
107	0	JLONG rgb;
108	0	SHIFT_TEMPS
109
110	0	inptr0 = input_buf[0][in_row_group_ctr];
111	0	inptr1 = input_buf[1][in_row_group_ctr];
112	0	inptr2 = input_buf[2][in_row_group_ctr];
113	0	outptr = output_buf[0];
114
115		/* Loop for each pair of output pixels */
116	0	for (col = cinfo->output_width >> 1; col > 0; col--) {
117		/* Do the chroma part of the calculation */
118	0	cb = *inptr1++;
119	0	cr = *inptr2++;
120	0	cred = Crrtab[cr];
121	0	cgreen = (int)RIGHT_SHIFT(Cbgtab[cb] + Crgtab[cr], SCALEBITS);
122	0	cblue = Cbbtab[cb];
123
124		/* Fetch 2 Y values and emit 2 pixels */
125	0	y = *inptr0++;
126	0	r = range_limit[DITHER_565_R(y + cred, d0)];
127	0	g = range_limit[DITHER_565_G(y + cgreen, d0)];
128	0	b = range_limit[DITHER_565_B(y + cblue, d0)];
129	0	d0 = DITHER_ROTATE(d0);
130	0	rgb = PACK_SHORT_565(r, g, b);
131
132	0	y = *inptr0++;
133	0	r = range_limit[DITHER_565_R(y + cred, d0)];
134	0	g = range_limit[DITHER_565_G(y + cgreen, d0)];
135	0	b = range_limit[DITHER_565_B(y + cblue, d0)];
136	0	d0 = DITHER_ROTATE(d0);
137	0	rgb = PACK_TWO_PIXELS(rgb, PACK_SHORT_565(r, g, b));
138
139	0	WRITE_TWO_PIXELS(outptr, rgb);
140	0	outptr += 4;
141	0	}
142
143		/* If image width is odd, do the last output column separately */
144	0	if (cinfo->output_width & 1) {
145	0	cb = *inptr1;
146	0	cr = *inptr2;
147	0	cred = Crrtab[cr];
148	0	cgreen = (int)RIGHT_SHIFT(Cbgtab[cb] + Crgtab[cr], SCALEBITS);
149	0	cblue = Cbbtab[cb];
150	0	y = *inptr0;
151	0	r = range_limit[DITHER_565_R(y + cred, d0)];
152	0	g = range_limit[DITHER_565_G(y + cgreen, d0)];
153	0	b = range_limit[DITHER_565_B(y + cblue, d0)];
154	0	rgb = PACK_SHORT_565(r, g, b);
155	0	(INT16 )outptr = (INT16)rgb;
156	0	}
157	0	} Unexecuted instantiation: jdmerge.c:h2v1_merged_upsample_565D_be Unexecuted instantiation: jdmerge.c:h2v1_merged_upsample_565D_le
158
159
160		INLINE
161		LOCAL(void)
162		h2v2_merged_upsample_565_internal(j_decompress_ptr cinfo, JSAMPIMAGE input_buf,
163		JDIMENSION in_row_group_ctr,
164		JSAMPARRAY output_buf)
165	0	{
166	0	my_merged_upsample_ptr upsample = (my_merged_upsample_ptr)cinfo->upsample;
167	0	register int y, cred, cgreen, cblue;
168	0	int cb, cr;
169	0	register JSAMPROW outptr0, outptr1;
170	0	JSAMPROW inptr00, inptr01, inptr1, inptr2;
171	0	JDIMENSION col;
172		/* copy these pointers into registers if possible */
173	0	register JSAMPLE *range_limit = cinfo->sample_range_limit;
174	0	int *Crrtab = upsample->Cr_r_tab;
175	0	int *Cbbtab = upsample->Cb_b_tab;
176	0	JLONG *Crgtab = upsample->Cr_g_tab;
177	0	JLONG *Cbgtab = upsample->Cb_g_tab;
178	0	unsigned int r, g, b;
179	0	JLONG rgb;
180	0	SHIFT_TEMPS
181
182	0	inptr00 = input_buf[0][in_row_group_ctr * 2];
183	0	inptr01 = input_buf[0][in_row_group_ctr * 2 + 1];
184	0	inptr1 = input_buf[1][in_row_group_ctr];
185	0	inptr2 = input_buf[2][in_row_group_ctr];
186	0	outptr0 = output_buf[0];
187	0	outptr1 = output_buf[1];
188
189		/* Loop for each group of output pixels */
190	0	for (col = cinfo->output_width >> 1; col > 0; col--) {
191		/* Do the chroma part of the calculation */
192	0	cb = *inptr1++;
193	0	cr = *inptr2++;
194	0	cred = Crrtab[cr];
195	0	cgreen = (int)RIGHT_SHIFT(Cbgtab[cb] + Crgtab[cr], SCALEBITS);
196	0	cblue = Cbbtab[cb];
197
198		/* Fetch 4 Y values and emit 4 pixels */
199	0	y = *inptr00++;
200	0	r = range_limit[y + cred];
201	0	g = range_limit[y + cgreen];
202	0	b = range_limit[y + cblue];
203	0	rgb = PACK_SHORT_565(r, g, b);
204
205	0	y = *inptr00++;
206	0	r = range_limit[y + cred];
207	0	g = range_limit[y + cgreen];
208	0	b = range_limit[y + cblue];
209	0	rgb = PACK_TWO_PIXELS(rgb, PACK_SHORT_565(r, g, b));
210
211	0	WRITE_TWO_PIXELS(outptr0, rgb);
212	0	outptr0 += 4;
213
214	0	y = *inptr01++;
215	0	r = range_limit[y + cred];
216	0	g = range_limit[y + cgreen];
217	0	b = range_limit[y + cblue];
218	0	rgb = PACK_SHORT_565(r, g, b);
219
220	0	y = *inptr01++;
221	0	r = range_limit[y + cred];
222	0	g = range_limit[y + cgreen];
223	0	b = range_limit[y + cblue];
224	0	rgb = PACK_TWO_PIXELS(rgb, PACK_SHORT_565(r, g, b));
225
226	0	WRITE_TWO_PIXELS(outptr1, rgb);
227	0	outptr1 += 4;
228	0	}
229
230		/* If image width is odd, do the last output column separately */
231	0	if (cinfo->output_width & 1) {
232	0	cb = *inptr1;
233	0	cr = *inptr2;
234	0	cred = Crrtab[cr];
235	0	cgreen = (int)RIGHT_SHIFT(Cbgtab[cb] + Crgtab[cr], SCALEBITS);
236	0	cblue = Cbbtab[cb];
237
238	0	y = *inptr00;
239	0	r = range_limit[y + cred];
240	0	g = range_limit[y + cgreen];
241	0	b = range_limit[y + cblue];
242	0	rgb = PACK_SHORT_565(r, g, b);
243	0	(INT16 )outptr0 = (INT16)rgb;
244
245	0	y = *inptr01;
246	0	r = range_limit[y + cred];
247	0	g = range_limit[y + cgreen];
248	0	b = range_limit[y + cblue];
249	0	rgb = PACK_SHORT_565(r, g, b);
250	0	(INT16 )outptr1 = (INT16)rgb;
251	0	}
252	0	} Unexecuted instantiation: jdmerge.c:h2v2_merged_upsample_565_be Unexecuted instantiation: jdmerge.c:h2v2_merged_upsample_565_le
253
254
255		INLINE
256		LOCAL(void)
257		h2v2_merged_upsample_565D_internal(j_decompress_ptr cinfo,
258		JSAMPIMAGE input_buf,
259		JDIMENSION in_row_group_ctr,
260		JSAMPARRAY output_buf)
261	0	{
262	0	my_merged_upsample_ptr upsample = (my_merged_upsample_ptr)cinfo->upsample;
263	0	register int y, cred, cgreen, cblue;
264	0	int cb, cr;
265	0	register JSAMPROW outptr0, outptr1;
266	0	JSAMPROW inptr00, inptr01, inptr1, inptr2;
267	0	JDIMENSION col;
268		/* copy these pointers into registers if possible */
269	0	register JSAMPLE *range_limit = cinfo->sample_range_limit;
270	0	int *Crrtab = upsample->Cr_r_tab;
271	0	int *Cbbtab = upsample->Cb_b_tab;
272	0	JLONG *Crgtab = upsample->Cr_g_tab;
273	0	JLONG *Cbgtab = upsample->Cb_g_tab;
274	0	JLONG d0 = dither_matrix[cinfo->output_scanline & DITHER_MASK];
275	0	JLONG d1 = dither_matrix[(cinfo->output_scanline + 1) & DITHER_MASK];
276	0	unsigned int r, g, b;
277	0	JLONG rgb;
278	0	SHIFT_TEMPS
279
280	0	inptr00 = input_buf[0][in_row_group_ctr * 2];
281	0	inptr01 = input_buf[0][in_row_group_ctr * 2 + 1];
282	0	inptr1 = input_buf[1][in_row_group_ctr];
283	0	inptr2 = input_buf[2][in_row_group_ctr];
284	0	outptr0 = output_buf[0];
285	0	outptr1 = output_buf[1];
286
287		/* Loop for each group of output pixels */
288	0	for (col = cinfo->output_width >> 1; col > 0; col--) {
289		/* Do the chroma part of the calculation */
290	0	cb = *inptr1++;
291	0	cr = *inptr2++;
292	0	cred = Crrtab[cr];
293	0	cgreen = (int)RIGHT_SHIFT(Cbgtab[cb] + Crgtab[cr], SCALEBITS);
294	0	cblue = Cbbtab[cb];
295
296		/* Fetch 4 Y values and emit 4 pixels */
297	0	y = *inptr00++;
298	0	r = range_limit[DITHER_565_R(y + cred, d0)];
299	0	g = range_limit[DITHER_565_G(y + cgreen, d0)];
300	0	b = range_limit[DITHER_565_B(y + cblue, d0)];
301	0	d0 = DITHER_ROTATE(d0);
302	0	rgb = PACK_SHORT_565(r, g, b);
303
304	0	y = *inptr00++;
305	0	r = range_limit[DITHER_565_R(y + cred, d0)];
306	0	g = range_limit[DITHER_565_G(y + cgreen, d0)];
307	0	b = range_limit[DITHER_565_B(y + cblue, d0)];
308	0	d0 = DITHER_ROTATE(d0);
309	0	rgb = PACK_TWO_PIXELS(rgb, PACK_SHORT_565(r, g, b));
310
311	0	WRITE_TWO_PIXELS(outptr0, rgb);
312	0	outptr0 += 4;
313
314	0	y = *inptr01++;
315	0	r = range_limit[DITHER_565_R(y + cred, d1)];
316	0	g = range_limit[DITHER_565_G(y + cgreen, d1)];
317	0	b = range_limit[DITHER_565_B(y + cblue, d1)];
318	0	d1 = DITHER_ROTATE(d1);
319	0	rgb = PACK_SHORT_565(r, g, b);
320
321	0	y = *inptr01++;
322	0	r = range_limit[DITHER_565_R(y + cred, d1)];
323	0	g = range_limit[DITHER_565_G(y + cgreen, d1)];
324	0	b = range_limit[DITHER_565_B(y + cblue, d1)];
325	0	d1 = DITHER_ROTATE(d1);
326	0	rgb = PACK_TWO_PIXELS(rgb, PACK_SHORT_565(r, g, b));
327
328	0	WRITE_TWO_PIXELS(outptr1, rgb);
329	0	outptr1 += 4;
330	0	}
331
332		/* If image width is odd, do the last output column separately */
333	0	if (cinfo->output_width & 1) {
334	0	cb = *inptr1;
335	0	cr = *inptr2;
336	0	cred = Crrtab[cr];
337	0	cgreen = (int)RIGHT_SHIFT(Cbgtab[cb] + Crgtab[cr], SCALEBITS);
338	0	cblue = Cbbtab[cb];
339
340	0	y = *inptr00;
341	0	r = range_limit[DITHER_565_R(y + cred, d0)];
342	0	g = range_limit[DITHER_565_G(y + cgreen, d0)];
343	0	b = range_limit[DITHER_565_B(y + cblue, d0)];
344	0	rgb = PACK_SHORT_565(r, g, b);
345	0	(INT16 )outptr0 = (INT16)rgb;
346
347	0	y = *inptr01;
348	0	r = range_limit[DITHER_565_R(y + cred, d1)];
349	0	g = range_limit[DITHER_565_G(y + cgreen, d1)];
350	0	b = range_limit[DITHER_565_B(y + cblue, d1)];
351	0	rgb = PACK_SHORT_565(r, g, b);
352	0	(INT16 )outptr1 = (INT16)rgb;
353	0	}
354	0	} Unexecuted instantiation: jdmerge.c:h2v2_merged_upsample_565D_be Unexecuted instantiation: jdmerge.c:h2v2_merged_upsample_565D_le