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https://github.com/game-stop/veejay.git
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123 lines
3.0 KiB
C
123 lines
3.0 KiB
C
/*
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* Linux VeeJay
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*
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* Copyright(C)2006 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 "colflash.h"
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// very simple color flashing fx
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vj_effect *colflash_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 = 5;
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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] = 50; //tempo in frames
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ve->limits[0][1] = 0;
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ve->limits[1][1] = 255;
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ve->limits[0][2] = 0;
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ve->limits[1][2] = 255;
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ve->limits[0][3] = 0;
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ve->limits[1][3] = 255;
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ve->limits[0][4] = 1;
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ve->limits[1][4] = 10;
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ve->defaults[0] = 5;
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ve->defaults[1] = 0;
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ve->defaults[2] = 0;
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ve->defaults[3] = 0;
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ve->defaults[4] = 3; //delay
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ve->description = "Color Flash";
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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->rgb_conv = 1;
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ve->param_description = vje_build_param_list( ve->num_params, "Frametime" , "Red", "Green", "Blue", "Delay" );
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return ve;
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}
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typedef struct {
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int color_flash_;
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int color_delay_;
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int delay_;
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} colflash_t;
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void *colflash_malloc(int w, int h )
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{
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colflash_t *c = (colflash_t*) vj_calloc(sizeof(colflash_t));
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if(!c) {
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return NULL;
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}
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return (void*) c;
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}
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void colflash_free(void *ptr) {
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colflash_t *c = (colflash_t*) ptr;
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free(c);
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}
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void colflash_apply(void *ptr, VJFrame *frame, int *args) {
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int f = args[0];
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int r = args[1];
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int g = args[2];
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int b = args[3];
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int d = args[4];
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colflash_t *c = (colflash_t*) ptr;
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const int len = frame->len;
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const int uv_len = (frame->ssm ? len : frame->uv_len);
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uint8_t *Y = frame->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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uint8_t y=0,u=0,v=0;
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_rgb2yuv( r,g,b,y,u,v );
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if( d != c->delay_ )
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{
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c->delay_ = d;
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c->color_delay_ = d;
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}
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if( c->color_delay_ )
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{
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veejay_memset( Y, y, len );
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veejay_memset( Cb, u, uv_len );
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veejay_memset( Cr, v, uv_len );
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c->color_delay_ -- ;
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}
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else
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{
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c->color_flash_ ++ ;
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if( c->color_flash_ >= f )
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{
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c->color_delay_ = c->delay_;
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c->color_flash_ = 0;
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}
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}
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}
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