Files
veejay/veejay-current/veejay-server/libvje/effects/rawman.c
niels e5ac37a5b8 fix reloaded build against newer ffmpeg, add large file support (avilib still limited to 4gb), workarround bug in lzo compressor,
refactored all memcpy into (multithreaded) frame copy, refactored all memset into (multirheaded) frame clear, multithreaded super and sub sampling (only tested 4:2:2 ), added new mode to pencil sketch, fixed bug in lens correction, multithreaded 36 effects, updated minilzo to newer version, multhreaded yuv functions for format conversion and pixel scaling, multithreaded fx chain fader, multithreaded fx apply in libvje. Fix bug in encoder when recording in high resolution,
2012-11-25 08:29:07 +01:00

105 lines
2.7 KiB
C

/*
* Linux VeeJay
*
* Copyright(C)2002 Niels Elburg <elburg@hio.hen.nl>
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License , or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307 , USA.
*/
#include <stdint.h>
#include <stdio.h>
#include <libvjmem/vjmem.h>
#include "rawman.h"
#include <stdlib.h>
vj_effect *rawman_init(int w,int h)
{
vj_effect *ve = (vj_effect *) vj_calloc(sizeof(vj_effect));
ve->num_params = 2;
ve->defaults = (int *) vj_calloc(sizeof(int) * ve->num_params); /* default values */
ve->limits[0] = (int *) vj_calloc(sizeof(int) * ve->num_params); /* min */
ve->limits[1] = (int *) vj_calloc(sizeof(int) * ve->num_params); /* max */
ve->defaults[0] = 0;
ve->defaults[1] = 15;
ve->limits[0][0] = 0;
ve->limits[1][0] = 4;
ve->limits[0][1] = 1;
ve->limits[1][1] = 255;
ve->sub_format = 0;
ve->description = "Raw Data Manipulation";
ve->parallel = 1;
ve->has_user = 0;
ve->extra_frame = 0;
ve->param_description = vje_build_param_list( ve->num_params, "Mode", "Value");
return ve;
}
void rawman_apply(VJFrame *frame, unsigned int width,
unsigned int height, unsigned int mode, unsigned int YY)
{
unsigned int len = width * height;
unsigned int i;
uint8_t *Y = frame->data[0];
/* playing with data. experimentation gives the greatest results.
maybe these routine don't seem usefull, but combine them with
other effects.
*/
switch (mode) {
case 1: /* 1 in reverse, if Y == 0 this darkens the image */
for (i = 0; i < len; i++) {
if ((Y[i] < YY)) {
Y[i] *= 2;
} else {
Y[i] /= 2;
}
}
break;
case 2:
for (i = 0; i < len; i++) {
Y[i] -= YY;
}
break;
case 3: /* divide action */
for (i = 0; i < len; i++) {
if ((Y[i] < YY)) {
Y[i] /= 2;
} else {
/* divide by 2 */
Y[i] *= 2;
}
}
break;
case 4: /* addition */
for (i = 0; i < len; i++) {
if ((Y[i] < YY)) {
Y[i] += YY;
} else {
Y[i] -= YY;
}
}
break;
default:
/* brightness */
for (i = 0; i < len; i++) {
Y[i] += YY;
}
break;
}
}
void rawman_free(){}