diff options
Diffstat (limited to 'TAO/orbsvcs/tests/AVStreams/mpeg/source/mpeg_client/ordered2.cpp')
-rw-r--r-- | TAO/orbsvcs/tests/AVStreams/mpeg/source/mpeg_client/ordered2.cpp | 328 |
1 files changed, 0 insertions, 328 deletions
diff --git a/TAO/orbsvcs/tests/AVStreams/mpeg/source/mpeg_client/ordered2.cpp b/TAO/orbsvcs/tests/AVStreams/mpeg/source/mpeg_client/ordered2.cpp deleted file mode 100644 index c57d2ba21e1..00000000000 --- a/TAO/orbsvcs/tests/AVStreams/mpeg/source/mpeg_client/ordered2.cpp +++ /dev/null @@ -1,328 +0,0 @@ -/* $Id$ */ - -/* - * Copyright (c) 1992 The Regents of the University of California. - * All rights reserved. - * - * Permission to use, copy, modify, and distribute this software and its - * documentation for any purpose, without fee, and without written agreement is - * hereby granted, provided that the above copyright notice and the following - * two paragraphs appear in all copies of this software. - * - * IN NO EVENT SHALL THE UNIVERSITY OF CALIFORNIA BE LIABLE TO ANY PARTY FOR - * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES ARISING OUT - * OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN IF THE UNIVERSITY OF - * CALIFORNIA HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - * - * THE UNIVERSITY OF CALIFORNIA SPECIFICALLY DISCLAIMS ANY WARRANTIES, - * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY - * AND FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS - * ON AN "AS IS" BASIS, AND THE UNIVERSITY OF CALIFORNIA HAS NO OBLIGATION TO - * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS. - */ - -/* This file contains C code to implement an ordered dither. */ - -#include <stdlib.h> -#include "video.h" -#include "proto.h" -#include "dither.h" -#include "ace/OS.h" - -ACE_RCSID(mpeg_client, ordered2, "$Id$") - -#define DITH_SIZE 16 - - -/* Structures used to implement hybrid ordered dither/floyd-steinberg - dither algorithm. -*/ - -static unsigned char ***ditherPtr[DITH_SIZE]; - - -/* - *-------------------------------------------------------------- - * - * InitOrderedDither-- - * - * Structures intialized for ordered dithering. - * - * Results: - * None. - * - * Side effects: - * None. - * - *-------------------------------------------------------------- - */ - -void -InitOrdered2Dither() -{ - unsigned char ****pos_2_cb; - unsigned char ***cb_2_cr; - unsigned char **cr_2_l; - int cb_val, cb_rval, cr_val, cr_rval, l_val, l_rval; - int i, j, pos; - int err_range, threshval; - - pos_2_cb = (unsigned char ****) ACE_OS::malloc (DITH_SIZE*sizeof(unsigned char ***)); - cb_2_cr = (unsigned char ***) ACE_OS::malloc(CB_RANGE*sizeof(unsigned char **)); - cr_2_l = (unsigned char **) ACE_OS::malloc(CR_RANGE*sizeof(unsigned char *)); - - for (pos=0; pos<DITH_SIZE; pos++) { - - pos_2_cb[pos] = (unsigned char ***) ACE_OS::malloc(256*(sizeof(unsigned char **))); - - for (j=0; j<CB_RANGE; j++) { - cb_2_cr[j] = (unsigned char **) ACE_OS::malloc(256*(sizeof(unsigned char *))); - } - - for (cb_val=0; cb_val<cb_values[0]; cb_val++) { - (pos_2_cb[pos])[cb_val] = cb_2_cr[0]; - } - - for (cb_rval=0; cb_rval<(CB_RANGE-1); cb_rval++) { - err_range = cb_values[cb_rval+1] - cb_values[cb_rval]; - threshval = ((pos*err_range)/DITH_SIZE)+cb_values[cb_rval]; - - for (cb_val=cb_values[cb_rval]; cb_val<cb_values[cb_rval+1]; cb_val++) { - if (cb_val>threshval) (pos_2_cb[pos])[cb_val] = cb_2_cr[cb_rval+1]; - else (pos_2_cb[pos])[cb_val] = cb_2_cr[cb_rval]; - } - } - - for (cb_val=cb_values[CB_RANGE-1]; cb_val<256; cb_val++) { - (pos_2_cb[pos])[cb_val] = cb_2_cr[CB_RANGE-1]; - } - - for (cb_rval=0; cb_rval<CB_RANGE; cb_rval++) { - - for (j=0; j<CR_RANGE; j++) { - cr_2_l[j] = (unsigned char *) ACE_OS::malloc(256*(sizeof(unsigned char))); - } - - for (cr_val=0; cr_val < cr_values[0]; cr_val++) { - (cb_2_cr[cb_rval])[cr_val] = cr_2_l[0]; - } - - for (cr_rval=0; cr_rval<(CR_RANGE-1); cr_rval++) { - err_range = cr_values[cr_rval+1] - cr_values[cr_rval]; - threshval = ((pos*err_range)/DITH_SIZE)+cr_values[cr_rval]; - - for (cr_val=cr_values[cr_rval]; cr_val<cr_values[cr_rval+1]; cr_val++) { - if (cr_val>threshval) (cb_2_cr[cb_rval])[cr_val] = cr_2_l[cr_rval+1]; - else (cb_2_cr[cb_rval])[cr_val] = cr_2_l[cr_rval]; - } - } - - for (cr_val=cr_values[CR_RANGE-1]; cr_val<256; cr_val++) { - (cb_2_cr[cb_rval])[cr_val] = cr_2_l[CR_RANGE-1]; - } - - for (cr_rval=0; cr_rval<CR_RANGE; cr_rval++) { - - for (l_val = 0; l_val < lum_values[0]; l_val++) { - (cr_2_l[cr_rval])[l_val] = pixel[cb_rval+(cr_rval*CB_RANGE)+ - (0*CR_RANGE*CB_RANGE)]; - } - - for (l_rval=0; l_rval<(LUM_RANGE-1); l_rval++) { - err_range = lum_values[l_rval+1] - lum_values[l_rval]; - threshval = ((pos*err_range) /DITH_SIZE) + lum_values[l_rval]; - - for (l_val = lum_values[l_rval]; l_val < lum_values[l_rval+1]; l_val++) { - if (l_val>threshval) (cr_2_l[cr_rval])[l_val] = - pixel[cb_rval+(cr_rval*CB_RANGE)+((l_rval+1)*CR_RANGE*CB_RANGE)]; - else (cr_2_l[cr_rval])[l_val] = - pixel[cb_rval+(cr_rval*CB_RANGE)+(l_rval*CR_RANGE*CB_RANGE)]; - } - } - - for (l_val = lum_values[LUM_RANGE-1]; l_val < 256; l_val++) { - (cr_2_l[cr_rval])[l_val] = - pixel[cb_rval+(cr_rval*CB_RANGE)+((LUM_RANGE-1)*CR_RANGE*CB_RANGE)]; - } - } - } - } - - for (i=0; i<DITH_SIZE; i++) { - ditherPtr[i] = pos_2_cb[i]; - } -} - -/* - *-------------------------------------------------------------- - * - * Ordered2DitherImage -- - * - * Dithers an image using an ordered dither. - * Assumptions made: - * 1) The color space is allocated y:cr:cb = 8:4:4 - * 2) The spatial resolution of y:cr:cb is 4:1:1 - * The channels are dithered based on the standard - * ordered dither pattern for a 4x4 area. - * - * Results: - * None. - * - * Side effects: - * None. - * - *-------------------------------------------------------------- - */ -void -Ordered2DitherImage (unsigned char *lum, unsigned char *cr, - unsigned char *cb, unsigned char *out, - int h, int w) -{ - unsigned char *l, *r, *b, *o1, *o2; - unsigned char *l2; - unsigned char L, R, B; - int i, j; - unsigned char ***dp0 = ditherPtr[0]; - unsigned char ***dp2 = ditherPtr[2]; - unsigned char ***dp4 = ditherPtr[4]; - unsigned char ***dp6 = ditherPtr[6]; - unsigned char ***dp8 = ditherPtr[8]; - unsigned char ***dp10 = ditherPtr[10]; - unsigned char ***dp12 = ditherPtr[12]; - unsigned char ***dp14 = ditherPtr[14]; - unsigned char ***dp1 = ditherPtr[1]; - unsigned char ***dp3 = ditherPtr[3]; - unsigned char ***dp5 = ditherPtr[5]; - unsigned char ***dp7 = ditherPtr[7]; - unsigned char ***dp9 = ditherPtr[9]; - unsigned char ***dp11 = ditherPtr[11]; - unsigned char ***dp13 = ditherPtr[13]; - unsigned char ***dp15 = ditherPtr[15]; - - l = lum; - l2 = lum+w; - r = cr; - b = cb; - o1 = out; - o2 = out+w; - - for (i=0; i<h; i+=4) { - - for (j=0; j<w; j+=8) { - - R = r[0]; B = b[0]; - - L = l[0]; - o1[0] = ((dp0[B])[R])[L]; - L = l[1]; - o1[1] = ((dp8[B])[R])[L]; - L = l2[0]; - o2[0] = ((dp12[B])[R])[L]; - L = l2[1]; - o2[1] = ((dp4[B])[R])[L]; - - R = r[1]; B = b[1]; - - L = l[2]; - o1[2] = ((dp2[B])[R])[L]; - L = l[3]; - o1[3] = ((dp10[B])[R])[L]; - L = l2[2]; - o2[2] = ((dp14[B])[R])[L]; - L = l2[3]; - o2[3] = ((dp6[B])[R])[L]; - - R = r[2]; B = b[2]; - - L = l[4]; - o1[4] = ((dp0[B])[R])[L]; - L = l[5]; - o1[5] = ((dp8[B])[R])[L]; - L = l2[4]; - o2[4] = ((dp12[B])[R])[L]; - L = l2[5]; - o2[5] = ((dp4[B])[R])[L]; - - R = r[3]; B = b[3]; - - L = l[6]; - o1[6] = ((dp2[B])[R])[L]; - L = l[7]; - o1[7] = ((dp10[B])[R])[L]; - L = l2[6]; - o2[6] = ((dp14[B])[R])[L]; - L = l2[7]; - o2[7] = ((dp6[B])[R])[L]; - - l += 8; - l2 += 8; - r += 4; - b += 4; - o1 += 8; - o2 += 8; - } - - l += w; l2 += w; - o1 += w; o2 += w; - - for (j=0; j<w; j+=8) { - - R = r[0]; B = b[0]; - - L = l[0]; - o1[0] = ((dp3[B])[R])[L]; - L = l[1]; - o1[1] = ((dp11[B])[R])[L]; - L = l2[0]; - o2[0] = ((dp15[B])[R])[L]; - L = l2[1]; - o2[1] = ((dp7[B])[R])[L]; - - R = r[1]; B = b[1]; - - L = l[2]; - o1[2] = ((dp1[B])[R])[L]; - L = l[3]; - o1[3] = ((dp9[B])[R])[L]; - L = l2[2]; - o2[2] = ((dp13[B])[R])[L]; - L = l2[3]; - o2[3] = ((dp5[B])[R])[L]; - - R = r[2]; B = b[2]; - - L = l[4]; - o1[4] = ((dp3[B])[R])[L]; - L = l[5]; - o1[5] = ((dp11[B])[R])[L]; - L = l2[4]; - o2[4] = ((dp15[B])[R])[L]; - L = l2[5]; - o2[5] = ((dp7[B])[R])[L]; - - R = r[3]; B = b[3]; - - L = l[6]; - o1[6] = ((dp1[B])[R])[L]; - L = l[7]; - o1[7] = ((dp9[B])[R])[L]; - L = l2[6]; - o2[6] = ((dp13[B])[R])[L]; - L = l2[7]; - o2[7] = ((dp5[B])[R])[L]; - - l += 8; - l2 += 8; - r += 4; - b += 4; - o1 += 8; - o2 += 8; - } - - l += w; l2 += w; - o1 += w; o2 += w; - } -} - - - |