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import FIREFOX_52_6_0esr_RELEASE from mozilla-esr52 hg repo
This commit is contained in:
Roy Tam
commit
dcd9973243
150858 changed files with 23884658 additions and 0 deletions
356
media/libjpeg/jdmrg565.c
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356
media/libjpeg/jdmrg565.c
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/*
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* jdmrg565.c
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*
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* This file was part of the Independent JPEG Group's software:
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* Copyright (C) 1994-1996, Thomas G. Lane.
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* libjpeg-turbo Modifications:
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* Copyright (C) 2013, Linaro Limited.
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* Copyright (C) 2014-2015, D. R. Commander.
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* For conditions of distribution and use, see the accompanying README.ijg
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* file.
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*
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* This file contains code for merged upsampling/color conversion.
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*/
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INLINE
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LOCAL(void)
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h2v1_merged_upsample_565_internal (j_decompress_ptr cinfo,
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JSAMPIMAGE input_buf,
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JDIMENSION in_row_group_ctr,
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JSAMPARRAY output_buf)
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{
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my_upsample_ptr upsample = (my_upsample_ptr) cinfo->upsample;
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register int y, cred, cgreen, cblue;
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int cb, cr;
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register JSAMPROW outptr;
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JSAMPROW inptr0, inptr1, inptr2;
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JDIMENSION col;
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/* copy these pointers into registers if possible */
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register JSAMPLE * range_limit = cinfo->sample_range_limit;
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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;
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unsigned int r, g, b;
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JLONG rgb;
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SHIFT_TEMPS
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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];
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/* Loop for each pair of output pixels */
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for (col = cinfo->output_width >> 1; col > 0; col--) {
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/* Do the chroma part of the calculation */
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cb = GETJSAMPLE(*inptr1++);
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cr = GETJSAMPLE(*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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/* Fetch 2 Y values and emit 2 pixels */
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y = GETJSAMPLE(*inptr0++);
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r = range_limit[y + cred];
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g = range_limit[y + cgreen];
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b = range_limit[y + cblue];
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rgb = PACK_SHORT_565(r, g, b);
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y = GETJSAMPLE(*inptr0++);
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r = range_limit[y + cred];
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g = range_limit[y + cgreen];
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b = range_limit[y + cblue];
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rgb = PACK_TWO_PIXELS(rgb, PACK_SHORT_565(r, g, b));
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WRITE_TWO_PIXELS(outptr, rgb);
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outptr += 4;
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}
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/* If image width is odd, do the last output column separately */
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if (cinfo->output_width & 1) {
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cb = GETJSAMPLE(*inptr1);
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cr = GETJSAMPLE(*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 = GETJSAMPLE(*inptr0);
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r = range_limit[y + cred];
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g = range_limit[y + cgreen];
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b = range_limit[y + cblue];
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rgb = PACK_SHORT_565(r, g, b);
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*(INT16*)outptr = (INT16)rgb;
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}
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}
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INLINE
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LOCAL(void)
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h2v1_merged_upsample_565D_internal (j_decompress_ptr cinfo,
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JSAMPIMAGE input_buf,
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JDIMENSION in_row_group_ctr,
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JSAMPARRAY output_buf)
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{
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my_upsample_ptr upsample = (my_upsample_ptr) cinfo->upsample;
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register int y, cred, cgreen, cblue;
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int cb, cr;
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register JSAMPROW outptr;
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JSAMPROW inptr0, inptr1, inptr2;
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JDIMENSION col;
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/* copy these pointers into registers if possible */
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register JSAMPLE * range_limit = cinfo->sample_range_limit;
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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;
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JLONG d0 = dither_matrix[cinfo->output_scanline & DITHER_MASK];
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unsigned int r, g, b;
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JLONG rgb;
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SHIFT_TEMPS
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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];
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/* Loop for each pair of output pixels */
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for (col = cinfo->output_width >> 1; col > 0; col--) {
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/* Do the chroma part of the calculation */
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cb = GETJSAMPLE(*inptr1++);
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cr = GETJSAMPLE(*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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/* Fetch 2 Y values and emit 2 pixels */
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y = GETJSAMPLE(*inptr0++);
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r = range_limit[DITHER_565_R(y + cred, d0)];
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g = range_limit[DITHER_565_G(y + cgreen, d0)];
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b = range_limit[DITHER_565_B(y + cblue, d0)];
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d0 = DITHER_ROTATE(d0);
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rgb = PACK_SHORT_565(r, g, b);
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y = GETJSAMPLE(*inptr0++);
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r = range_limit[DITHER_565_R(y + cred, d0)];
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g = range_limit[DITHER_565_G(y + cgreen, d0)];
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b = range_limit[DITHER_565_B(y + cblue, d0)];
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d0 = DITHER_ROTATE(d0);
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rgb = PACK_TWO_PIXELS(rgb, PACK_SHORT_565(r, g, b));
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WRITE_TWO_PIXELS(outptr, rgb);
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outptr += 4;
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}
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/* If image width is odd, do the last output column separately */
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if (cinfo->output_width & 1) {
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cb = GETJSAMPLE(*inptr1);
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cr = GETJSAMPLE(*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 = GETJSAMPLE(*inptr0);
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r = range_limit[DITHER_565_R(y + cred, d0)];
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g = range_limit[DITHER_565_G(y + cgreen, d0)];
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b = range_limit[DITHER_565_B(y + cblue, d0)];
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rgb = PACK_SHORT_565(r, g, b);
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*(INT16*)outptr = (INT16)rgb;
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}
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}
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INLINE
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LOCAL(void)
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h2v2_merged_upsample_565_internal (j_decompress_ptr cinfo,
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JSAMPIMAGE input_buf,
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JDIMENSION in_row_group_ctr,
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JSAMPARRAY output_buf)
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{
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my_upsample_ptr upsample = (my_upsample_ptr) cinfo->upsample;
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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;
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/* copy these pointers into registers if possible */
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register JSAMPLE * range_limit = cinfo->sample_range_limit;
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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;
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unsigned int r, g, b;
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JLONG rgb;
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SHIFT_TEMPS
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inptr00 = input_buf[0][in_row_group_ctr * 2];
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inptr01 = input_buf[0][in_row_group_ctr * 2 + 1];
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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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outptr0 = output_buf[0];
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outptr1 = output_buf[1];
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/* Loop for each group of output pixels */
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for (col = cinfo->output_width >> 1; col > 0; col--) {
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/* Do the chroma part of the calculation */
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cb = GETJSAMPLE(*inptr1++);
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cr = GETJSAMPLE(*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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/* Fetch 4 Y values and emit 4 pixels */
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y = GETJSAMPLE(*inptr00++);
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r = range_limit[y + cred];
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g = range_limit[y + cgreen];
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b = range_limit[y + cblue];
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rgb = PACK_SHORT_565(r, g, b);
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y = GETJSAMPLE(*inptr00++);
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r = range_limit[y + cred];
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g = range_limit[y + cgreen];
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b = range_limit[y + cblue];
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rgb = PACK_TWO_PIXELS(rgb, PACK_SHORT_565(r, g, b));
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WRITE_TWO_PIXELS(outptr0, rgb);
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outptr0 += 4;
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y = GETJSAMPLE(*inptr01++);
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r = range_limit[y + cred];
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g = range_limit[y + cgreen];
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b = range_limit[y + cblue];
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rgb = PACK_SHORT_565(r, g, b);
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y = GETJSAMPLE(*inptr01++);
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r = range_limit[y + cred];
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g = range_limit[y + cgreen];
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b = range_limit[y + cblue];
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rgb = PACK_TWO_PIXELS(rgb, PACK_SHORT_565(r, g, b));
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WRITE_TWO_PIXELS(outptr1, rgb);
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outptr1 += 4;
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}
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/* If image width is odd, do the last output column separately */
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if (cinfo->output_width & 1) {
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cb = GETJSAMPLE(*inptr1);
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cr = GETJSAMPLE(*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 = GETJSAMPLE(*inptr00);
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r = range_limit[y + cred];
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g = range_limit[y + cgreen];
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b = range_limit[y + cblue];
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rgb = PACK_SHORT_565(r, g, b);
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*(INT16*)outptr0 = (INT16)rgb;
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y = GETJSAMPLE(*inptr01);
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r = range_limit[y + cred];
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g = range_limit[y + cgreen];
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b = range_limit[y + cblue];
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rgb = PACK_SHORT_565(r, g, b);
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*(INT16*)outptr1 = (INT16)rgb;
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}
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}
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INLINE
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LOCAL(void)
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h2v2_merged_upsample_565D_internal (j_decompress_ptr cinfo,
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JSAMPIMAGE input_buf,
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JDIMENSION in_row_group_ctr,
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JSAMPARRAY output_buf)
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{
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my_upsample_ptr upsample = (my_upsample_ptr) cinfo->upsample;
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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;
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/* copy these pointers into registers if possible */
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register JSAMPLE * range_limit = cinfo->sample_range_limit;
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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;
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JLONG d0 = dither_matrix[cinfo->output_scanline & DITHER_MASK];
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JLONG d1 = dither_matrix[(cinfo->output_scanline+1) & DITHER_MASK];
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unsigned int r, g, b;
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JLONG rgb;
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SHIFT_TEMPS
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inptr00 = input_buf[0][in_row_group_ctr*2];
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inptr01 = input_buf[0][in_row_group_ctr*2 + 1];
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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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outptr0 = output_buf[0];
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outptr1 = output_buf[1];
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/* Loop for each group of output pixels */
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for (col = cinfo->output_width >> 1; col > 0; col--) {
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/* Do the chroma part of the calculation */
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cb = GETJSAMPLE(*inptr1++);
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cr = GETJSAMPLE(*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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/* Fetch 4 Y values and emit 4 pixels */
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y = GETJSAMPLE(*inptr00++);
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r = range_limit[DITHER_565_R(y + cred, d0)];
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g = range_limit[DITHER_565_G(y + cgreen, d0)];
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b = range_limit[DITHER_565_B(y + cblue, d0)];
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d0 = DITHER_ROTATE(d0);
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rgb = PACK_SHORT_565(r, g, b);
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y = GETJSAMPLE(*inptr00++);
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r = range_limit[DITHER_565_R(y + cred, d1)];
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g = range_limit[DITHER_565_G(y + cgreen, d1)];
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b = range_limit[DITHER_565_B(y + cblue, d1)];
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d1 = DITHER_ROTATE(d1);
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rgb = PACK_TWO_PIXELS(rgb, PACK_SHORT_565(r, g, b));
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WRITE_TWO_PIXELS(outptr0, rgb);
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outptr0 += 4;
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y = GETJSAMPLE(*inptr01++);
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r = range_limit[DITHER_565_R(y + cred, d0)];
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g = range_limit[DITHER_565_G(y + cgreen, d0)];
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b = range_limit[DITHER_565_B(y + cblue, d0)];
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d0 = DITHER_ROTATE(d0);
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rgb = PACK_SHORT_565(r, g, b);
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y = GETJSAMPLE(*inptr01++);
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r = range_limit[DITHER_565_R(y + cred, d1)];
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g = range_limit[DITHER_565_G(y + cgreen, d1)];
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b = range_limit[DITHER_565_B(y + cblue, d1)];
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d1 = DITHER_ROTATE(d1);
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rgb = PACK_TWO_PIXELS(rgb, PACK_SHORT_565(r, g, b));
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WRITE_TWO_PIXELS(outptr1, rgb);
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outptr1 += 4;
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}
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/* If image width is odd, do the last output column separately */
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if (cinfo->output_width & 1) {
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cb = GETJSAMPLE(*inptr1);
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cr = GETJSAMPLE(*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 = GETJSAMPLE(*inptr00);
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r = range_limit[DITHER_565_R(y + cred, d0)];
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g = range_limit[DITHER_565_G(y + cgreen, d0)];
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b = range_limit[DITHER_565_B(y + cblue, d0)];
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rgb = PACK_SHORT_565(r, g, b);
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*(INT16*)outptr0 = (INT16)rgb;
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y = GETJSAMPLE(*inptr01);
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r = range_limit[DITHER_565_R(y + cred, d1)];
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g = range_limit[DITHER_565_G(y + cgreen, d1)];
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b = range_limit[DITHER_565_B(y + cblue, d1)];
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rgb = PACK_SHORT_565(r, g, b);
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*(INT16*)outptr1 = (INT16)rgb;
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}
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}
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