diff options
Diffstat (limited to 'TAO/orbsvcs/tests/AVStreams/mpeg/source/mpeg_client/mono.cpp')
| -rw-r--r-- | TAO/orbsvcs/tests/AVStreams/mpeg/source/mpeg_client/mono.cpp | 252 |
1 files changed, 0 insertions, 252 deletions
diff --git a/TAO/orbsvcs/tests/AVStreams/mpeg/source/mpeg_client/mono.cpp b/TAO/orbsvcs/tests/AVStreams/mpeg/source/mpeg_client/mono.cpp deleted file mode 100644 index 2a155f4f116..00000000000 --- a/TAO/orbsvcs/tests/AVStreams/mpeg/source/mpeg_client/mono.cpp +++ /dev/null @@ -1,252 +0,0 @@ -/* $Id$ */ -/* - * Author: Yoichiro Ueno (ueno@cs.titech.ac.jp) - * - * Copyright (C) 1991, 1992, Yoichiro Ueno. - * - * Permission to use, copy, modify, and distribute this software and - * its documentation for any purpose is hereby granted by the Author without - * fee, provided that the above copyright notice appear in all copies and - * that both the copyright notice and this permission notice appear in - * supporting documentation, and that the name of the Author not be used - * in advertising or publicity pertaining to distribution of the software - * without specific, written prior permission. The Author makes no - * representations about the suitability of this software for any purpose. - * It is provided "as is" without express or implied warranty. - * - * THE AUTHOR DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, - * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO - * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, INDIRECT OR - * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF - * USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR - * OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR - * PERFORMANCE OF THIS SOFTWARE. - * - */ -#include <string.h> -#include <stdlib.h> -#include "video.h" -#include "proto.h" -#include "dither.h" - - -/* - *-------------------------------------------------------------- - * - * MonoDitherImage -- - * - * Dithers image into monochrome. - * Dither algorithm is based on dither.c in xli.1.11. - * - * Results: - * None. - * - * Side effects: - * None. - * - *-------------------------------------------------------------- - */ -#define MaxGrey 65280 -#define Threshold (MaxGrey/2) -#define MinGrey 0 - -#if ultrix && mips -# define SEED_BIT 0x01 -# define OPP_SEED_BIT 0x80 -# define SHIFT_SEED_BIT(b) (b <<= 1) -# define OPP_SHIFT_SEED_BIT(b) (b >>= 1) -#else -# define SEED_BIT 0x80 -# define OPP_SEED_BIT 0x01 -# define SHIFT_SEED_BIT(b) (b >>= 1) -# define OPP_SHIFT_SEED_BIT(b) (b <<= 1) -#endif - -static int *curr = NULL; -static int *next = NULL; - -#if 0 -void -MonoDitherImage(register unsigned char *lum, unsigned char *cr, - unsigned char *cb, unsigned char *out, - int h, int w) -{ - int bit_r2l; - register unsigned int bit; - register unsigned int data; - int i; - register int j; - int *swap; - register int out_err; - register int next1; - register int next2; - - if(curr == NULL) { - curr = (int *)malloc(sizeof(int) * (w + 2)); - curr += 1; - } - if(next == NULL) { - next = (int *)malloc(sizeof(int) * (w + 2)); - next += 1; - } - - bzero ((char *)curr, w * sizeof(*curr)); - - bit_r2l = SEED_BIT << (w - 1 & 7); - for(i = 0; i < h; i ++) { - if(i & 0x01) { /* Right to Left */ - bit = bit_r2l; - data = 0; - out_err = curr[w-1]; - next1 = 0; - next2 = 0; - for (j=(w-1); j>=0; j--) - { - out_err = (out_err >> 4) + (lum[j] << 8); - if(out_err > Threshold) { - data |= bit; - out_err -= MaxGrey; - } - else - out_err -= MinGrey; - - next[j+1] = next1 + (out_err * 3); - next1 = next2 + (out_err * 5); - next2 = (out_err * 1); - out_err = curr[j-1] + (out_err * 7); - - OPP_SHIFT_SEED_BIT(bit); -#if ultrix && mips - if(bit == 0) -#else - if(bit > 0x80) -#endif - { - out[j >> 3] = data; - bit = OPP_SEED_BIT; - data = 0; - } - } - next[0] = next1; - } - else { /* Left to Right */ - bit = SEED_BIT; - data = 0; - out_err = curr[0]; - next1 = 0; - next2 = 0; - for (j=0; j<w; j++) - { - out_err = (out_err >> 4) + (lum[j] << 8); - if(out_err > Threshold) { - data |= bit; - out_err = out_err - MaxGrey; - } - else - out_err = out_err - MinGrey; - - next[j-1] = next1 + (out_err * 3); - next1 = next2 + (out_err * 5); - next2 = (out_err * 1); - out_err = curr[j+1] + (out_err * 7); - - SHIFT_SEED_BIT(bit); -#if ultrix && mips - if(bit > 0x80) -#else - if(bit == 0) -#endif - { - out[j >> 3] = data; - bit = SEED_BIT; - data = 0; - } - } - next[w-1] = next1; - } - - lum += w; - out += w >> 3; - swap = curr; - curr = next; - next = swap; - } -} -#endif - -void -MonoDitherImage(register unsigned char *lum, unsigned char *cr, - unsigned char *cb, unsigned char *out, - int h, int w) -{ - register unsigned int bit; - register unsigned int data; - register int j; - int i; - static unsigned char d[4][4] = {{0, 8, 2, 10}, - {12, 4, 14, 6}, - {3, 11, 1, 9}, - {15, 7, 13, 5}}; - - for(i = 0; i < h; i ++) { - bit = SEED_BIT; - data = 0; - for (j=0; j<w; j++) { - if((lum[j] >> 4) > d[i % 4][j % 4]) { - data |= bit; - } - SHIFT_SEED_BIT(bit); -#if ultrix && mips - if(bit > 0x80) -#else - if(bit == 0) -#endif - { - out[j >> 3] = data; - bit = SEED_BIT; - data = 0; - } - } - lum += w; - out += (w + 7) >> 3; - } -} - - -/* - *-------------------------------------------------------------- - * - * MonoThresholdImage -- - * - * convert image into monochrome with threshold. - * - * Results: - * None. - * - * Side effects: - * None. - * - *-------------------------------------------------------------- - */ -void -MonoThresholdImage(unsigned char *lum, unsigned char *cr, - unsigned char *cb, unsigned char *out, - int h, int w) -{ - unsigned char bit; - unsigned char data; - - bit = SEED_BIT; - data = 0; - for (w*=h; w>0; w--) { - if(*lum++>128) - data |= bit; - - SHIFT_SEED_BIT(bit); - if(bit == 0) { - *out ++ = data; - bit = SEED_BIT; - data = 0; - } - } -} |