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Libjpeg-turbo update to version 3.0.3 #25623 ### Pull Request Readiness Checklist See details at https://github.com/opencv/opencv/wiki/How_to_contribute#making-a-good-pull-request - [x] I agree to contribute to the project under Apache 2 License. - [x] To the best of my knowledge, the proposed patch is not based on a code under GPL or another license that is incompatible with OpenCV - [x] The PR is proposed to the proper branch - [ ] There is a reference to the original bug report and related work - [ ] There is accuracy test, performance test and test data in opencv_extra repository, if applicable Patch to opencv_extra has the same branch name. - [ ] The feature is well documented and sample code can be built with the project CMake
356 lines
11 KiB
C
356 lines
11 KiB
C
/*
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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, 2018, 2020, 2022, 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_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;
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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 = (_JSAMPLE *)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 = *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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/* Fetch 2 Y values and emit 2 pixels */
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y = *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 = *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 = *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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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_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;
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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 = (_JSAMPLE *)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 = *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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/* Fetch 2 Y values and emit 2 pixels */
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y = *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 = *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 = *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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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, _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_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;
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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 = (_JSAMPLE *)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 = *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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/* Fetch 4 Y values and emit 4 pixels */
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y = *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 = *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 = *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 = *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 = *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 = *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 = *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_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;
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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 = (_JSAMPLE *)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 = *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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/* Fetch 4 Y values and emit 4 pixels */
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y = *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 = *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_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 = *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_SHORT_565(r, g, b);
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y = *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 = *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 = *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 = *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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