Files
veejay/veejay-current/veejay-server/libvje/effects/rawval.c
2015-11-05 23:39:05 +01:00

74 lines
2.3 KiB
C

/*
* Linux VeeJay
*
* Copyright(C)2004 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 "rawval.h"
#include <stdlib.h>
#include <math.h>
vj_effect *rawval_init(int w,int h)
{
vj_effect *ve = (vj_effect *) vj_calloc(sizeof(vj_effect));
ve->num_params = 4;
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] = 232;
ve->defaults[1] = 16;
ve->defaults[2] = 16;
ve->defaults[3] = 16;
ve->limits[0][0] = 0;
ve->limits[1][0] = 255;
ve->limits[0][1] = 0;
ve->limits[1][1] = 255;
ve->limits[0][2] = 0;
ve->limits[1][2] = 255;
ve->limits[0][3] = 0;
ve->limits[1][3] = 255;
ve->parallel = 1;
ve->sub_format = -1;
ve->description = "Raw Chroma Pixel Replacement";
ve->has_user = 0;
ve->extra_frame = 0;
ve->param_description = vje_build_param_list( ve->num_params, "Old Cb", "Old Cr", "New Cb", "New Cr" );
return ve;
}
void rawval_apply( VJFrame *frame, int width, int height,
const int color_cb, const int color_cr,
const int new_color_cb, const int new_color_cr)
{
unsigned int i;
const unsigned int uv_len = (frame->ssm ? frame->len : frame->uv_len);
uint8_t *Cb= frame->data[1];
uint8_t *Cr= frame->data[2];
for (i = 0; i < uv_len; i++) {
if (Cb[i] >= new_color_cb)
Cb[i] = color_cb;
if (Cr[i] >= new_color_cr)
Cr[i] = color_cr;
}
}
void rawval_free(){}