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Initial checkin of veejay 1.4

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git-svn-id: svn://code.dyne.org/veejay/trunk@1172 eb8d1916-c9e9-0310-b8de-cf0c9472ead5
This commit is contained in:
Niels Elburg
2008-11-10 20:16:24 +00:00
parent d81258c54c
commit d8e6f98d53
793 changed files with 244409 additions and 0 deletions
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102
veejay-current/veejay-server/libvje/effects/rawman.c Normal file
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/*
* 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 <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->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(){}