| Index: jdmerge.c
|
| ===================================================================
|
| --- jdmerge.c (revision 106486)
|
| +++ jdmerge.c (working copy)
|
| @@ -3,7 +3,7 @@
|
| *
|
| * Copyright (C) 1994-1996, Thomas G. Lane.
|
| * Copyright 2009 Pierre Ossman <ossman@cendio.se> for Cendio AB
|
| - * Copyright (C) 2009, D. R. Commander.
|
| + * Copyright (C) 2009, 2011, D. R. Commander.
|
| * This file is part of the Independent JPEG Group's software.
|
| * For conditions of distribution and use, see the accompanying README file.
|
| *
|
| @@ -77,6 +77,99 @@
|
| #define FIX(x) ((INT32) ((x) * (1L<<SCALEBITS) + 0.5))
|
|
|
|
|
| +/* Include inline routines for colorspace extensions */
|
| +
|
| +#include "jdmrgext.c"
|
| +#undef RGB_RED
|
| +#undef RGB_GREEN
|
| +#undef RGB_BLUE
|
| +#undef RGB_PIXELSIZE
|
| +
|
| +#define RGB_RED EXT_RGB_RED
|
| +#define RGB_GREEN EXT_RGB_GREEN
|
| +#define RGB_BLUE EXT_RGB_BLUE
|
| +#define RGB_PIXELSIZE EXT_RGB_PIXELSIZE
|
| +#define h2v1_merged_upsample_internal extrgb_h2v1_merged_upsample_internal
|
| +#define h2v2_merged_upsample_internal extrgb_h2v2_merged_upsample_internal
|
| +#include "jdmrgext.c"
|
| +#undef RGB_RED
|
| +#undef RGB_GREEN
|
| +#undef RGB_BLUE
|
| +#undef RGB_PIXELSIZE
|
| +#undef h2v1_merged_upsample_internal
|
| +#undef h2v2_merged_upsample_internal
|
| +
|
| +#define RGB_RED EXT_RGBX_RED
|
| +#define RGB_GREEN EXT_RGBX_GREEN
|
| +#define RGB_BLUE EXT_RGBX_BLUE
|
| +#define RGB_PIXELSIZE EXT_RGBX_PIXELSIZE
|
| +#define h2v1_merged_upsample_internal extrgbx_h2v1_merged_upsample_internal
|
| +#define h2v2_merged_upsample_internal extrgbx_h2v2_merged_upsample_internal
|
| +#include "jdmrgext.c"
|
| +#undef RGB_RED
|
| +#undef RGB_GREEN
|
| +#undef RGB_BLUE
|
| +#undef RGB_PIXELSIZE
|
| +#undef h2v1_merged_upsample_internal
|
| +#undef h2v2_merged_upsample_internal
|
| +
|
| +#define RGB_RED EXT_BGR_RED
|
| +#define RGB_GREEN EXT_BGR_GREEN
|
| +#define RGB_BLUE EXT_BGR_BLUE
|
| +#define RGB_PIXELSIZE EXT_BGR_PIXELSIZE
|
| +#define h2v1_merged_upsample_internal extbgr_h2v1_merged_upsample_internal
|
| +#define h2v2_merged_upsample_internal extbgr_h2v2_merged_upsample_internal
|
| +#include "jdmrgext.c"
|
| +#undef RGB_RED
|
| +#undef RGB_GREEN
|
| +#undef RGB_BLUE
|
| +#undef RGB_PIXELSIZE
|
| +#undef h2v1_merged_upsample_internal
|
| +#undef h2v2_merged_upsample_internal
|
| +
|
| +#define RGB_RED EXT_BGRX_RED
|
| +#define RGB_GREEN EXT_BGRX_GREEN
|
| +#define RGB_BLUE EXT_BGRX_BLUE
|
| +#define RGB_PIXELSIZE EXT_BGRX_PIXELSIZE
|
| +#define h2v1_merged_upsample_internal extbgrx_h2v1_merged_upsample_internal
|
| +#define h2v2_merged_upsample_internal extbgrx_h2v2_merged_upsample_internal
|
| +#include "jdmrgext.c"
|
| +#undef RGB_RED
|
| +#undef RGB_GREEN
|
| +#undef RGB_BLUE
|
| +#undef RGB_PIXELSIZE
|
| +#undef h2v1_merged_upsample_internal
|
| +#undef h2v2_merged_upsample_internal
|
| +
|
| +#define RGB_RED EXT_XBGR_RED
|
| +#define RGB_GREEN EXT_XBGR_GREEN
|
| +#define RGB_BLUE EXT_XBGR_BLUE
|
| +#define RGB_PIXELSIZE EXT_XBGR_PIXELSIZE
|
| +#define h2v1_merged_upsample_internal extxbgr_h2v1_merged_upsample_internal
|
| +#define h2v2_merged_upsample_internal extxbgr_h2v2_merged_upsample_internal
|
| +#include "jdmrgext.c"
|
| +#undef RGB_RED
|
| +#undef RGB_GREEN
|
| +#undef RGB_BLUE
|
| +#undef RGB_PIXELSIZE
|
| +#undef h2v1_merged_upsample_internal
|
| +#undef h2v2_merged_upsample_internal
|
| +
|
| +#define RGB_RED EXT_XRGB_RED
|
| +#define RGB_GREEN EXT_XRGB_GREEN
|
| +#define RGB_BLUE EXT_XRGB_BLUE
|
| +#define RGB_PIXELSIZE EXT_XRGB_PIXELSIZE
|
| +#define h2v1_merged_upsample_internal extxrgb_h2v1_merged_upsample_internal
|
| +#define h2v2_merged_upsample_internal extxrgb_h2v2_merged_upsample_internal
|
| +#include "jdmrgext.c"
|
| +#undef RGB_RED
|
| +#undef RGB_GREEN
|
| +#undef RGB_BLUE
|
| +#undef RGB_PIXELSIZE
|
| +#undef h2v1_merged_upsample_internal
|
| +#undef h2v2_merged_upsample_internal
|
| +
|
| +
|
| /*
|
| * Initialize tables for YCC->RGB colorspace conversion.
|
| * This is taken directly from jdcolor.c; see that file for more info.
|
| @@ -230,56 +323,36 @@
|
| JSAMPIMAGE input_buf, JDIMENSION in_row_group_ctr,
|
| JSAMPARRAY output_buf)
|
| {
|
| - my_upsample_ptr upsample = (my_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;
|
| - INT32 * Crgtab = upsample->Cr_g_tab;
|
| - INT32 * 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 = GETJSAMPLE(*inptr1++);
|
| - cr = GETJSAMPLE(*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 = GETJSAMPLE(*inptr0++);
|
| - outptr[rgb_red[cinfo->out_color_space]] = range_limit[y + cred];
|
| - outptr[rgb_green[cinfo->out_color_space]] = range_limit[y + cgreen];
|
| - outptr[rgb_blue[cinfo->out_color_space]] = range_limit[y + cblue];
|
| - outptr += rgb_pixelsize[cinfo->out_color_space];
|
| - y = GETJSAMPLE(*inptr0++);
|
| - outptr[rgb_red[cinfo->out_color_space]] = range_limit[y + cred];
|
| - outptr[rgb_green[cinfo->out_color_space]] = range_limit[y + cgreen];
|
| - outptr[rgb_blue[cinfo->out_color_space]] = range_limit[y + cblue];
|
| - outptr += rgb_pixelsize[cinfo->out_color_space];
|
| + switch (cinfo->out_color_space) {
|
| + case JCS_EXT_RGB:
|
| + extrgb_h2v1_merged_upsample_internal(cinfo, input_buf, in_row_group_ctr,
|
| + output_buf);
|
| + break;
|
| + case JCS_EXT_RGBX:
|
| + extrgbx_h2v1_merged_upsample_internal(cinfo, input_buf, in_row_group_ctr,
|
| + output_buf);
|
| + break;
|
| + case JCS_EXT_BGR:
|
| + extbgr_h2v1_merged_upsample_internal(cinfo, input_buf, in_row_group_ctr,
|
| + output_buf);
|
| + break;
|
| + case JCS_EXT_BGRX:
|
| + extbgrx_h2v1_merged_upsample_internal(cinfo, input_buf, in_row_group_ctr,
|
| + output_buf);
|
| + break;
|
| + case JCS_EXT_XBGR:
|
| + extxbgr_h2v1_merged_upsample_internal(cinfo, input_buf, in_row_group_ctr,
|
| + output_buf);
|
| + break;
|
| + case JCS_EXT_XRGB:
|
| + extxrgb_h2v1_merged_upsample_internal(cinfo, input_buf, in_row_group_ctr,
|
| + output_buf);
|
| + break;
|
| + default:
|
| + h2v1_merged_upsample_internal(cinfo, input_buf, in_row_group_ctr,
|
| + output_buf);
|
| + break;
|
| }
|
| - /* If image width is odd, do the last output column separately */
|
| - if (cinfo->output_width & 1) {
|
| - cb = GETJSAMPLE(*inptr1);
|
| - cr = GETJSAMPLE(*inptr2);
|
| - cred = Crrtab[cr];
|
| - cgreen = (int) RIGHT_SHIFT(Cbgtab[cb] + Crgtab[cr], SCALEBITS);
|
| - cblue = Cbbtab[cb];
|
| - y = GETJSAMPLE(*inptr0);
|
| - outptr[rgb_red[cinfo->out_color_space]] = range_limit[y + cred];
|
| - outptr[rgb_green[cinfo->out_color_space]] = range_limit[y + cgreen];
|
| - outptr[rgb_blue[cinfo->out_color_space]] = range_limit[y + cblue];
|
| - }
|
| }
|
|
|
|
|
| @@ -292,72 +365,36 @@
|
| JSAMPIMAGE input_buf, JDIMENSION in_row_group_ctr,
|
| JSAMPARRAY output_buf)
|
| {
|
| - my_upsample_ptr upsample = (my_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;
|
| - INT32 * Crgtab = upsample->Cr_g_tab;
|
| - INT32 * 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 = GETJSAMPLE(*inptr1++);
|
| - cr = GETJSAMPLE(*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 = GETJSAMPLE(*inptr00++);
|
| - outptr0[rgb_red[cinfo->out_color_space]] = range_limit[y + cred];
|
| - outptr0[rgb_green[cinfo->out_color_space]] = range_limit[y + cgreen];
|
| - outptr0[rgb_blue[cinfo->out_color_space]] = range_limit[y + cblue];
|
| - outptr0 += RGB_PIXELSIZE;
|
| - y = GETJSAMPLE(*inptr00++);
|
| - outptr0[rgb_red[cinfo->out_color_space]] = range_limit[y + cred];
|
| - outptr0[rgb_green[cinfo->out_color_space]] = range_limit[y + cgreen];
|
| - outptr0[rgb_blue[cinfo->out_color_space]] = range_limit[y + cblue];
|
| - outptr0 += RGB_PIXELSIZE;
|
| - y = GETJSAMPLE(*inptr01++);
|
| - outptr1[rgb_red[cinfo->out_color_space]] = range_limit[y + cred];
|
| - outptr1[rgb_green[cinfo->out_color_space]] = range_limit[y + cgreen];
|
| - outptr1[rgb_blue[cinfo->out_color_space]] = range_limit[y + cblue];
|
| - outptr1 += RGB_PIXELSIZE;
|
| - y = GETJSAMPLE(*inptr01++);
|
| - outptr1[rgb_red[cinfo->out_color_space]] = range_limit[y + cred];
|
| - outptr1[rgb_green[cinfo->out_color_space]] = range_limit[y + cgreen];
|
| - outptr1[rgb_blue[cinfo->out_color_space]] = range_limit[y + cblue];
|
| - outptr1 += RGB_PIXELSIZE;
|
| + switch (cinfo->out_color_space) {
|
| + case JCS_EXT_RGB:
|
| + extrgb_h2v2_merged_upsample_internal(cinfo, input_buf, in_row_group_ctr,
|
| + output_buf);
|
| + break;
|
| + case JCS_EXT_RGBX:
|
| + extrgbx_h2v2_merged_upsample_internal(cinfo, input_buf, in_row_group_ctr,
|
| + output_buf);
|
| + break;
|
| + case JCS_EXT_BGR:
|
| + extbgr_h2v2_merged_upsample_internal(cinfo, input_buf, in_row_group_ctr,
|
| + output_buf);
|
| + break;
|
| + case JCS_EXT_BGRX:
|
| + extbgrx_h2v2_merged_upsample_internal(cinfo, input_buf, in_row_group_ctr,
|
| + output_buf);
|
| + break;
|
| + case JCS_EXT_XBGR:
|
| + extxbgr_h2v2_merged_upsample_internal(cinfo, input_buf, in_row_group_ctr,
|
| + output_buf);
|
| + break;
|
| + case JCS_EXT_XRGB:
|
| + extxrgb_h2v2_merged_upsample_internal(cinfo, input_buf, in_row_group_ctr,
|
| + output_buf);
|
| + break;
|
| + default:
|
| + h2v2_merged_upsample_internal(cinfo, input_buf, in_row_group_ctr,
|
| + output_buf);
|
| + break;
|
| }
|
| - /* If image width is odd, do the last output column separately */
|
| - if (cinfo->output_width & 1) {
|
| - cb = GETJSAMPLE(*inptr1);
|
| - cr = GETJSAMPLE(*inptr2);
|
| - cred = Crrtab[cr];
|
| - cgreen = (int) RIGHT_SHIFT(Cbgtab[cb] + Crgtab[cr], SCALEBITS);
|
| - cblue = Cbbtab[cb];
|
| - y = GETJSAMPLE(*inptr00);
|
| - outptr0[rgb_red[cinfo->out_color_space]] = range_limit[y + cred];
|
| - outptr0[rgb_green[cinfo->out_color_space]] = range_limit[y + cgreen];
|
| - outptr0[rgb_blue[cinfo->out_color_space]] = range_limit[y + cblue];
|
| - y = GETJSAMPLE(*inptr01);
|
| - outptr1[rgb_red[cinfo->out_color_space]] = range_limit[y + cred];
|
| - outptr1[rgb_green[cinfo->out_color_space]] = range_limit[y + cgreen];
|
| - outptr1[rgb_blue[cinfo->out_color_space]] = range_limit[y + cblue];
|
| - }
|
| }
|
|
|
|
|
|
|