mirror of
https://github.com/game-stop/veejay.git
synced 2025-12-19 22:30:06 +01:00
89 lines
2.7 KiB
C
89 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 "fadecolorrgb.h"
|
|
#include <stdlib.h>
|
|
|
|
vj_effect *fadecolorrgb_init(int w,int h)
|
|
{
|
|
vj_effect *ve = (vj_effect *) malloc(sizeof(vj_effect));
|
|
ve->num_params = 6;
|
|
ve->defaults = (int *) malloc(sizeof(int) * ve->num_params); /* default values */
|
|
ve->limits[0] = (int *) malloc(sizeof(int) * ve->num_params); /* min */
|
|
ve->limits[1] = (int *) malloc(sizeof(int) * ve->num_params); /* max */
|
|
ve->defaults[0] = 150;
|
|
ve->defaults[1] = 0;
|
|
ve->defaults[2] = 0;
|
|
ve->defaults[3] = 0;
|
|
ve->defaults[4] = 0;
|
|
ve->defaults[5] = 75;
|
|
ve->sub_format = 0;
|
|
ve->limits[0][0] = 1;
|
|
ve->limits[1][0] = 255;
|
|
|
|
ve->limits[0][1] = 1;
|
|
ve->limits[1][1] = 255;
|
|
|
|
ve->limits[0][2] = 1;
|
|
ve->limits[1][2] = 255;
|
|
ve->limits[0][3] = 0;
|
|
ve->limits[1][3] = 255;
|
|
|
|
ve->limits[0][4] = 0;
|
|
ve->limits[1][4] = 1;
|
|
|
|
ve->limits[0][5] = 1;
|
|
ve->limits[1][5] = (25 * 120);
|
|
ve->description = "Transition Fade to Color by RGB";
|
|
ve->has_user = 0;
|
|
ve->extra_frame = 0;
|
|
return ve;
|
|
}
|
|
|
|
void colorfadergb_apply( VJFrame *frame, int width, int height,
|
|
int opacity, int r, int g, int b)
|
|
{
|
|
unsigned int i, op0, op1;
|
|
unsigned int len = width * height;
|
|
unsigned int colorCb = 128, colorCr = 128;
|
|
unsigned int colorY;
|
|
const int uv_len = frame->uv_len;
|
|
uint8_t *Y = frame->data[0];
|
|
uint8_t *Cb = frame->data[1];
|
|
uint8_t *Cr = frame->data[2];
|
|
|
|
|
|
colorY = ((0.257 * r) + (0.504 * g) + (0.098 * b) + 16);
|
|
colorCb = ((0.439 * r) - (0.368 * g) - (0.071 * b) + 128);
|
|
colorCr = (-(0.148 * r) - (0.291 * g) + (0.439 * b) + 128);
|
|
|
|
|
|
op1 = (opacity > 255) ? 255 : opacity;
|
|
op0 = 255 - op1;
|
|
|
|
for (i = 0; i < len; i++)
|
|
Y[i] = (op0 * Y[i] + op1 * colorY) / 255;
|
|
for (i = 0; i < uv_len; i++) {
|
|
Cb[i] = (op0 * Cb[i] + op1 * colorCb) / 255;
|
|
Cr[i] = (op0 * Cr[i] + op1 * colorCr) / 255;
|
|
}
|
|
}
|
|
void fadecolorrgb_free(){}
|