mirror of
https://github.com/game-stop/veejay.git
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115 lines
3.5 KiB
C
115 lines
3.5 KiB
C
/*
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* Linux VeeJay
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*
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* Copyright(C)2002 Niels Elburg <nwelburg@gmail.com>
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License , or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307 , USA.
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*/
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#include "common.h"
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#include <veejaycore/vjmem.h>
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#include "mask.h"
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vj_effect *simplemask_init(int w, int h )
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{
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vj_effect *ve = (vj_effect *) vj_calloc(sizeof(vj_effect));
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ve->num_params = 2;
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ve->defaults = (int *) vj_calloc(sizeof(int) * ve->num_params); /* default values */
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ve->limits[0] = (int *) vj_calloc(sizeof(int) * ve->num_params); /* min */
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ve->limits[1] = (int *) vj_calloc(sizeof(int) * ve->num_params); /* max */
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ve->limits[0][0] = 0;
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ve->limits[1][0] = 255;
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ve->limits[0][1] = 0;
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ve->limits[1][1] = 2;
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ve->defaults[0] = 128;
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ve->defaults[1] = 0;
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ve->description = "Binary Threshold Mask";
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ve->sub_format = 1;
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ve->extra_frame = 1;
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ve->has_user =0;
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ve->param_description = vje_build_param_list( ve->num_params, "Threshold", "Mode" );
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ve->hints = vje_init_value_hint_list( ve->num_params );
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vje_build_value_hint_list( ve->hints, ve->limits[1][1], 1,
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"Normal", "Threshold Black", "Threshold White" );
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return ve;
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}
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static void mask_replace_black(uint8_t *yuv1[3], uint8_t *yuv2[3],
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const int w, const int h, const int len, int threshold) {
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unsigned int i=0;
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for(i=0; i < len; i++) {
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if (yuv1[0][i] > threshold) {
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yuv1[0][i] = yuv2[0][i];
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yuv1[1][i] = yuv2[1][i];
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yuv1[2][i] = yuv2[2][i];
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}
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}
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}
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static void mask_replace_black_fill(uint8_t *yuv1[3], uint8_t *yuv2[3],
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const int w, const int h, const int len, int threshold) {
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unsigned int i=0;
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for(i=0; i < len; i++) {
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if (yuv1[0][i] > threshold) {
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yuv1[0][i] = yuv2[0][i];
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yuv1[1][i] = yuv2[1][i];
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yuv1[2][i] = yuv2[2][i];
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}
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else {
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yuv1[0][i] = 16;
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yuv1[1][i] = 128;
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yuv1[2][i] = 128;
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}
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}
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}
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static void mask_replace_white_fill(uint8_t *yuv1[3], uint8_t *yuv2[3],
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const int w, const int h, const int len, int threshold) {
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unsigned int i=0;
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for(i=0; i < len; i++) {
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if (yuv1[0][i] > threshold) {
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yuv1[0][i] = yuv2[0][i];
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yuv1[1][i] = yuv2[1][i];
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yuv1[2][i] = yuv2[2][i];
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}
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else {
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yuv1[0][i] = pixel_Y_hi_;
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yuv1[1][i] = 128;
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yuv1[2][i] = 128;
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}
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}
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}
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void simplemask_apply( void *ptr, VJFrame *frame, VJFrame *frame2, int *args ) {
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int threshold = args[0];
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int invert = args[1];
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const unsigned int width = frame->width;
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const unsigned int height = frame->height;
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const int len = frame->len;
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switch(invert) {
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case 0 : mask_replace_black(frame->data,frame2->data,width,height,len,threshold);
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break;
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case 1 : mask_replace_black_fill(frame->data,frame2->data,width,height,len,threshold);
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break;
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case 2: mask_replace_white_fill(frame->data,frame2->data,width,height,len,threshold);
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break;
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}
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}
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