diff options
Diffstat (limited to 'TAO/orbsvcs/tests/AVStreams/mpeg/source/mpeg_client/ordered.cpp')
-rw-r--r-- | TAO/orbsvcs/tests/AVStreams/mpeg/source/mpeg_client/ordered.cpp | 290 |
1 files changed, 0 insertions, 290 deletions
diff --git a/TAO/orbsvcs/tests/AVStreams/mpeg/source/mpeg_client/ordered.cpp b/TAO/orbsvcs/tests/AVStreams/mpeg/source/mpeg_client/ordered.cpp deleted file mode 100644 index 5306f742242..00000000000 --- a/TAO/orbsvcs/tests/AVStreams/mpeg/source/mpeg_client/ordered.cpp +++ /dev/null @@ -1,290 +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, ordered, "$Id$") - -#define DITH_SIZE 16 - - -/* Structures used to implement hybrid ordered dither/floyd-steinberg - dither algorithm. -*/ - -static unsigned char *l_darrays[DITH_SIZE]; -static unsigned char *cr_darrays[DITH_SIZE]; -static unsigned char *cb_darrays[DITH_SIZE]; - -/* - *-------------------------------------------------------------- - * - * InitOrderedDither-- - * - * Structures intialized for ordered dithering. - * - * Results: - * None. - * - * Side effects: - * None. - * - *-------------------------------------------------------------- - */ - -void -InitOrderedDither() -{ - int i, j, k, err_range, threshval; - unsigned char *lmark, *cmark; - - for (i=0; i<DITH_SIZE; i++) { - lmark = l_darrays[i] = (unsigned char *) malloc(256); - - for (j=0; j<lum_values[0]; j++) { - *lmark++ = 0; - } - - for (j=0; j<(LUM_RANGE-1); j++) { - err_range = lum_values[j+1] - lum_values[j]; - threshval = ((i * err_range) / DITH_SIZE)+lum_values[j]; - - for (k=lum_values[j]; k<lum_values[j+1]; k++) { - if (k > threshval) *lmark++ = ((j+1) * (CR_RANGE * CB_RANGE)); - else *lmark++ = (j * (CR_RANGE * CB_RANGE)); - } - } - - for (j=lum_values[LUM_RANGE-1]; j<256; j++) { - *lmark++ = (LUM_RANGE-1)*(CR_RANGE * CB_RANGE); - } - } - - for (i=0; i<DITH_SIZE; i++) { - cmark = cr_darrays[i] = (unsigned char *) malloc(256); - - for (j=0; j<cr_values[0]; j++) { - *cmark++ = 0; - } - - for (j=0; j<(CR_RANGE-1); j++) { - err_range = cr_values[j+1] - cr_values[j]; - threshval = ((i * err_range) / DITH_SIZE)+cr_values[j]; - - for (k=cr_values[j]; k<cr_values[j+1]; k++) { - if (k > threshval) *cmark++ = ((j+1) * CB_RANGE); - else *cmark++ = (j * CB_RANGE); - } - } - - for (j=cr_values[CR_RANGE-1]; j<256; j++) { - *cmark++ = (CR_RANGE-1)*(CB_RANGE); - } - } - - for (i=0; i<DITH_SIZE; i++) { - cmark = cb_darrays[i] = (unsigned char *) malloc(256); - - for (j=0; j<cb_values[0]; j++) { - *cmark++ = 0; - } - - for (j=0; j<(CB_RANGE-1); j++) { - err_range = cb_values[j+1] - cb_values[j]; - threshval = ((i * err_range) / DITH_SIZE)+cb_values[j]; - - for (k=cb_values[j]; k<cb_values[j+1]; k++) { - if (k > threshval) *cmark++ = j+1; - else *cmark++ = j; - } - } - - for (j=cb_values[CB_RANGE-1]; j<256; j++) { - *cmark++ = CB_RANGE-1; - } - } -} - -/* - *-------------------------------------------------------------- - * - * OrderedDitherImage -- - * - * 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 -OrderedDitherImage (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; - - 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] = pixel[(l_darrays[0][L] + cr_darrays[0][R] + cb_darrays[0][B])]; - L = l[1]; - o1[1] = pixel[(l_darrays[8][L] + cr_darrays[8][R] + cb_darrays[8][B])]; - L = l2[0]; - o2[0] = pixel[(l_darrays[12][L] + cr_darrays[12][R] + cb_darrays[12][B])]; - L = l2[1]; - o2[1] = pixel[(l_darrays[4][L] + cr_darrays[4][R] + cb_darrays[4][B])]; - - R = r[1]; B = b[1]; - - L = l[2]; - o1[2] = pixel[(l_darrays[2][L] + cr_darrays[2][R] + cb_darrays[2][B])]; - L = l[3]; - o1[3] = pixel[(l_darrays[10][L] + cr_darrays[10][R] + cb_darrays[10][B])]; - L = l2[2]; - o2[2] = pixel[(l_darrays[14][L] + cr_darrays[14][R] + cb_darrays[14][B])]; - L = l2[3]; - o2[3] = pixel[(l_darrays[6][L] + cr_darrays[6][R] + cb_darrays[6][B])]; - - R = r[2]; B = b[2]; - - L = l[4]; - o1[4] = pixel[(l_darrays[0][L] + cr_darrays[0][R] + cb_darrays[0][B])]; - L = l[5]; - o1[5] = pixel[(l_darrays[8][L] + cr_darrays[8][R] + cb_darrays[8][B])]; - L = l2[4]; - o2[4] = pixel[(l_darrays[12][L] + cr_darrays[12][R] + cb_darrays[12][B])]; - L = l2[5]; - o2[5] = pixel[(l_darrays[4][L] + cr_darrays[4][R] + cb_darrays[4][B])]; - - R = r[3]; B = b[3]; - - L = l[6]; - o1[6] = pixel[(l_darrays[2][L] + cr_darrays[2][R] + cb_darrays[2][B])]; - L = l[7]; - o1[7] = pixel[(l_darrays[10][L] + cr_darrays[10][R] + cb_darrays[10][B])]; - L = l2[6]; - o2[6] = pixel[(l_darrays[14][L] + cr_darrays[14][R] + cb_darrays[14][B])]; - L = l2[7]; - o2[7] = pixel[(l_darrays[6][L] + cr_darrays[6][R] + cb_darrays[6][B])]; - - 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] = pixel[(l_darrays[3][L] + cr_darrays[3][R] + cb_darrays[3][B])]; - L = l[1]; - o1[1] = pixel[(l_darrays[11][L] + cr_darrays[11][R] + cb_darrays[11][B])]; - L = l2[0]; - o2[0] = pixel[(l_darrays[15][L] + cr_darrays[15][R] + cb_darrays[15][B])]; - L = l2[1]; - o2[1] = pixel[(l_darrays[7][L] + cr_darrays[7][R] + cb_darrays[7][B])]; - - R = r[1]; B = b[1]; - - L = l[2]; - o1[2] = pixel[(l_darrays[1][L] + cr_darrays[1][R] + cb_darrays[1][B])]; - L = l[3]; - o1[3] = pixel[(l_darrays[9][L] + cr_darrays[9][R] + cb_darrays[9][B])]; - L = l2[2]; - o2[2] = pixel[(l_darrays[13][L] + cr_darrays[13][R] + cb_darrays[13][B])]; - L = l2[3]; - o2[3] = pixel[(l_darrays[5][L] + cr_darrays[5][R] + cb_darrays[5][B])]; - - R = r[2]; B = b[2]; - - L = l[4]; - o1[4] = pixel[(l_darrays[3][L] + cr_darrays[3][R] + cb_darrays[3][B])]; - L = l[5]; - o1[5] = pixel[(l_darrays[11][L] + cr_darrays[11][R] + cb_darrays[11][B])]; - L = l2[4]; - o2[4] = pixel[(l_darrays[15][L] + cr_darrays[15][R] + cb_darrays[15][B])]; - L = l2[5]; - o2[5] = pixel[(l_darrays[7][L] + cr_darrays[7][R] + cb_darrays[7][B])]; - - R = r[3]; B = b[3]; - - L = l[6]; - o1[6] = pixel[(l_darrays[1][L] + cr_darrays[1][R] + cb_darrays[1][B])]; - L = l[7]; - o1[7] = pixel[(l_darrays[9][L] + cr_darrays[9][R] + cb_darrays[9][B])]; - L = l2[6]; - o2[6] = pixel[(l_darrays[13][L] + cr_darrays[13][R] + cb_darrays[13][B])]; - L = l2[7]; - o2[7] = pixel[(l_darrays[5][L] + cr_darrays[5][R] + cb_darrays[5][B])]; - - l += 8; - l2 += 8; - r += 4; - b += 4; - o1 += 8; - o2 += 8; - } - - l += w; l2 += w; - o1 += w; o2 += w; - } -} - - - |