mirror of
https://github.com/game-stop/veejay.git
synced 2025-12-15 12:20:03 +01:00
5640b2b0ca
only warn about mismatching audio properties if started without audio, add alpha channel support to livido, renamed a FX, added mixtoalpha,alphafill,alpha2img,toalpha,alphaflatten, handle alpha plane, vims 048 enables full sub-chain render incl. mixing effects,
88 lines
2.7 KiB
C
88 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 <config.h>
|
|
#include <stdint.h>
|
|
#include <stdio.h>
|
|
#include <libvjmem/vjmem.h>
|
|
#include "mask.h"
|
|
|
|
|
|
vj_effect *simplemask_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->limits[0][0] = 0;
|
|
ve->limits[1][0] = 255;
|
|
ve->limits[0][1] = 0;
|
|
ve->limits[1][1] = 1;
|
|
ve->defaults[0] = 128;
|
|
ve->defaults[1] = 0;
|
|
ve->description = "Binary Threshold Mask";
|
|
ve->sub_format = 1;
|
|
ve->extra_frame = 1;
|
|
ve->has_user =0;
|
|
ve->param_description = vje_build_param_list( ve->num_params, "Threshold", "Mode" );
|
|
return ve;
|
|
}
|
|
|
|
|
|
void mask_replace_black(uint8_t *yuv1[3], uint8_t *yuv2[3], int w, int h, int threshold) {
|
|
unsigned int len = w * h;
|
|
unsigned int i=0;
|
|
for(i=0; i < len; i++) {
|
|
if (yuv1[0][i] > threshold) {
|
|
yuv1[0][i] = yuv2[0][i];
|
|
yuv1[1][i] = yuv2[1][i];
|
|
yuv1[2][i] = yuv2[2][i];
|
|
}
|
|
}
|
|
}
|
|
void mask_replace_black_fill(uint8_t *yuv1[3], uint8_t *yuv2[3], int w, int h, int threshold) {
|
|
unsigned int len = w * h;
|
|
unsigned int i=0;
|
|
for(i=0; i < len; i++) {
|
|
if (yuv1[0][i] > threshold) {
|
|
yuv1[0][i] = yuv2[0][i];
|
|
yuv1[1][i] = yuv2[1][i];
|
|
yuv1[2][i] = yuv2[2][i];
|
|
}
|
|
else {
|
|
yuv1[0][i] = 16;
|
|
yuv1[1][i] = 128;
|
|
yuv1[2][i] = 128;
|
|
}
|
|
}
|
|
}
|
|
|
|
void simplemask_apply( VJFrame *frame, VJFrame *frame2, int width,
|
|
int height, int threshold, int invert)
|
|
{
|
|
|
|
switch(invert) {
|
|
case 0 : mask_replace_black(frame->data,frame2->data,width,height,threshold); break;
|
|
case 1 : mask_replace_black_fill(frame->data,frame2->data,width,height,threshold); break;
|
|
}
|
|
|
|
}
|
|
void mask_free(){}
|