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https://github.com/game-stop/veejay.git
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96 lines
2.4 KiB
C
96 lines
2.4 KiB
C
/*
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* Linux VeeJay
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*
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* Copyright(C)2004 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 <config.h>
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#include <stdint.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <libvjmem/vjmem.h>
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#include <libvje/vje.h>
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#include <libyuv/yuvconv.h>
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#include <libavutil/pixfmt.h>
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#include "rgbchannel.h"
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vj_effect *rgbchannel_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 = 3;
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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] = 1;
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ve->limits[0][1] = 0;
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ve->limits[1][1] = 1;
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ve->limits[0][2] = 0;
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ve->limits[1][2] = 1;
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ve->defaults[0] = 0;
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ve->defaults[0] = 0;
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ve->defaults[0] = 0;
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ve->description = "RGB Channel";
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ve->sub_format = 1;
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ve->extra_frame = 0;
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ve->has_user = 0;
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ve->rgba_only = 1;
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ve->parallel = 1;
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ve->param_description = vje_build_param_list(ve->num_params, "Red", "Green", "Blue");
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return ve;
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}
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void rgbchannel_apply( VJFrame *frame, int width, int height, int chr, int chg , int chb)
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{
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int row_stride = width * 4;
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int x,y;
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uint8_t *rgba = frame->data[0];
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if(chr)
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{
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for( y = 0; y < height; y ++ )
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{
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for( x = 0; x < row_stride; x += 4 )
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{
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rgba[ y * row_stride + x ] = 0;
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}
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}
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}
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if(chg)
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{
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for( y = 0; y < height; y ++ )
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{
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for( x = 1; x < row_stride-1; x += 4 )
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{
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rgba[ y * row_stride + x ] = 0;
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}
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}
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}
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if(chb)
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{
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for( y = 0; y < height; y ++ )
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{
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for( x = 2; x < row_stride-2; x += 4 )
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{
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rgba[ y * row_stride + x ] = 0;
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}
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}
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}
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}
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