mirror of
https://github.com/game-stop/veejay.git
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95 lines
2.5 KiB
C
95 lines
2.5 KiB
C
/*
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* Linux VeeJay
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*
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* Copyright(C)2002 Niels Elburg <elburg@hio.hen.nl>
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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 <stdint.h>
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#include <stdio.h>
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#include <libvjmem/vjmem.h>
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#include "transblend.h"
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#include <libvje/effects/common.h>
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#include <stdlib.h>
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vj_effect *slidingdoor_init(int width, int height)
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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 = 0;
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ve->defaults = (int *) vj_calloc(sizeof(int) * 1); /* default values */
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ve->limits[0] = (int *) vj_calloc(sizeof(int) * 1); /* min */
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ve->limits[1] = (int *) vj_calloc(sizeof(int) * 1); /* max */
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/* ve->defaults[0] = 1;
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ve->defaults[1] = 1;
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ve->limits[0][0] = 1;
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ve->limits[1][0] = height / 16;
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*/
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ve->sub_format = 1;
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/* ve->limits[0][1] = 0;
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ve->limits[1][1] = 1;
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*/
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ve->description = "AlphaLuma Overlay";
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ve->extra_frame = 1;
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ve->has_user = 0;
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ve->param_description = NULL;
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return ve;
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}
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void slidingdoor_apply( VJFrame *frame, VJFrame *frame2, int width,
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int height, int size)
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{
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//@ alpha luma
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unsigned int i;
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const int len = frame->len;
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uint8_t *Y = frame->data[0];
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const uint8_t *Y2 = frame2->data[0];
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uint8_t *Cb= frame->data[1];
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uint8_t *Cr= frame->data[2];
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const uint8_t *Cb2= frame2->data[1];
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const uint8_t *Cr2= frame2->data[2];
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for( i = 0; i < len ; i ++ )
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{
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unsigned int op0 = Y2[i];
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unsigned int op1 = 255 - op0;
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Y[i] = (op0 * Y[i] + op1 * Y2[i]) >> 8;
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Cb[i] = (op0 * Cb[i] + op1 * Cb2[i]) >> 8;
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Cr[i] = (op0 * Cr[i] + op1 * Cr2[i]) >> 8;
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}
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/*
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frameborder_yuvdata(
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frame->data[0],
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frame->data[1],
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frame->data[2],
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frame2->data[0],
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frame2->data[1],
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frame2->data[2],
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width,height,
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size*16,
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size*16,
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0,
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0,
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frame->shift_h,
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frame->shift_v );*/
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}
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void slidingdoor_free(){}
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