diff options
Diffstat (limited to 'TAO/orbsvcs/tests/AVStreams/mpeg/source/mpeg_client/24bit.cpp')
| -rw-r--r-- | TAO/orbsvcs/tests/AVStreams/mpeg/source/mpeg_client/24bit.cpp | 218 |
1 files changed, 0 insertions, 218 deletions
diff --git a/TAO/orbsvcs/tests/AVStreams/mpeg/source/mpeg_client/24bit.cpp b/TAO/orbsvcs/tests/AVStreams/mpeg/source/mpeg_client/24bit.cpp deleted file mode 100644 index 6ec8d2bc06d..00000000000 --- a/TAO/orbsvcs/tests/AVStreams/mpeg/source/mpeg_client/24bit.cpp +++ /dev/null @@ -1,218 +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. - */ - -#include <stdlib.h> -#include <string.h> -#include "video.h" -#include "dither.h" -#include "proto.h" -#include "ace/OS.h" - -ACE_RCSID(mpeg_client, 24bit, "$Id$") - -/* - * We'll define the "ConvertColor" macro here to do fixed point arithmetic - * that'll convert from YCrCb to RGB using: - * R = L + 1.40200*Cr; - * G = L - 0.34414*Cb - 0.71414*Cr - * B = L + 1.77200*Cb; - * - * We'll use fixed point by adding two extra bits after the decimal. - */ - -#define BITS 8 -#define ONE ((int) 1) -#define CONST_SCALE (ONE << BITS) -#define ROUND_FACTOR (ONE << (BITS-1)) - -/* Macro to convert integer to fixed. */ -#define UP(x) (((int)(x)) << BITS) - -/* Macro to convert fixed to integer (with rounding). */ -#define DOWN(x) (((x) + ROUND_FACTOR) >> BITS) - -/* Macro to convert a float to a fixed */ -#define FIX(x) ((int) ((x)*CONST_SCALE + 0.5)) - -#define CLAMP(ll,x,ul) ( ((x)<(ll)) ?(ll):( ((x)>(ul)) ?(ul):(x))) - -static int *Cb_r_tab, *Cr_g_tab, *Cb_g_tab, *Cr_b_tab; - -/* - *-------------------------------------------------------------- - * - * InitColorDither -- - * - * To get rid of the multiply and other conversions in color - * dither, we use a lookup table. - * - * Results: - * None. - * - * Side effects: - * The lookup tables are initialized. - * - *-------------------------------------------------------------- - */ - -void -InitColorDither() -{ - int CR, CB, i; - - Cr_b_tab = (int *)malloc(256*sizeof(int)); - Cr_g_tab = (int *)malloc(256*sizeof(int)); - Cb_g_tab = (int *)malloc(256*sizeof(int)); - Cb_r_tab = (int *)malloc(256*sizeof(int)); - - for (i=0; i<256; i++) { - CB = CR = i; - - CB -= 128; CR -= 128; - - Cb_r_tab[i] = FIX(1.40200) * CB; - Cr_g_tab[i] = -FIX(0.34414) * CR; - Cb_g_tab[i] = -FIX(0.71414) * CB; - Cr_b_tab[i] = FIX(1.77200) * CR; - } -} - - -/* - *-------------------------------------------------------------- - * - * ColorDitherImage -- - * - * Converts image into 24 bit color. - * - * Results: - * None. - * - * Side effects: - * None. - * - *-------------------------------------------------------------- - */ - -void -ColorDitherImage(unsigned char *lum, unsigned char *cr, - unsigned char *cb, unsigned char *out, - int rows, int cols) -{ - int L, CR, CB; - unsigned int *row1, *row2; - unsigned char *lum2; - int x, y; - unsigned int r, b, g; - int cb_r; - int cr_g; - int cb_g; - int cr_b; - - row1 = (unsigned int *)out; - row2 = row1 + cols; - lum2 = lum + cols; - for (y=0; y<rows; y+=2) { - for (x=0; x<cols; x+=2) { - int R, G, B; - - CR = *cr++; - CB = *cb++; - cb_r = Cb_r_tab[CB]; - cr_g = Cr_g_tab[CR]; - cb_g = Cb_g_tab[CB]; - cr_b = Cr_b_tab[CR]; - - L = *lum++; - L = UP(L); - R = L + cb_r; - G = L + cr_g + cb_g; - B = L + cr_b; -#ifndef LITTLE_ENDIAN - r = CLAMP(0,R,UP(255)) >> BITS; - g = CLAMP(0,G,UP(255)) & 0xff00; - b = (CLAMP(0,B,UP(255)) & 0xff00) << BITS; -#else - b = CLAMP(0,B,UP(255)) >> BITS; - g = CLAMP(0,G,UP(255)) & 0xff00; - r = (CLAMP(0,R,UP(255)) & 0xff00) << BITS; -#endif - *row1++ = r | g | b; - - L = *lum++; - L = UP(L); - R = L + cb_r; - G = L + cr_g + cb_g; - B = L + cr_b; -#ifndef LITTLE_ENDIAN - r = CLAMP(0,R,UP(255)) >> BITS; - g = CLAMP(0,G,UP(255)) & 0xff00; - b = (CLAMP(0,B,UP(255)) & 0xff00) << BITS; -#else - b = CLAMP(0,B,UP(255)) >> BITS; - g = CLAMP(0,G,UP(255)) & 0xff00; - r = (CLAMP(0,R,UP(255)) & 0xff00) << BITS; -#endif - *row1++ = r | g | b; - - /* - * Now, do second row. - */ - L = *lum2++; - L = UP(L); - R = L + cb_r; - G = L + cr_g + cb_g; - B = L + cr_b; -#ifndef LITTLE_ENDIAN - r = CLAMP(0,R,UP(255)) >> BITS; - g = CLAMP(0,G,UP(255)) & 0xff00; - b = (CLAMP(0,B,UP(255)) & 0xff00) << BITS; -#else - b = CLAMP(0,B,UP(255)) >> BITS; - g = CLAMP(0,G,UP(255)) & 0xff00; - r = (CLAMP(0,R,UP(255)) & 0xff00) << BITS; -#endif - *row2++ = r | g | b; - - L = *lum2++; - L = UP(L); - R = L + cb_r; - G = L + cr_g + cb_g; - B = L + cr_b; -#ifndef LITTLE_ENDIAN - r = CLAMP(0,R,UP(255)) >> BITS; - g = CLAMP(0,G,UP(255)) & 0xff00; - b = (CLAMP(0,B,UP(255)) & 0xff00) << BITS; -#else - b = CLAMP(0,B,UP(255)) >> BITS; - g = CLAMP(0,G,UP(255)) & 0xff00; - r = (CLAMP(0,R,UP(255)) & 0xff00) << BITS; -#endif - *row2++ = r | g | b; - } - lum += cols; - lum2 += cols; - row1 += cols; - row2 += cols; - } -} |