mirror of
https://github.com/game-stop/veejay.git
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74 lines
2.5 KiB
C
74 lines
2.5 KiB
C
/*
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* Linux VeeJay
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*
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* Copyright(C)2015 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 "average-blend.h"
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vj_effect *average_blend_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 = 1;
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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] = 7;
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ve->defaults[0] = 1;
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ve->description = "Average Mixer";
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ve->sub_format = -1;
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ve->extra_frame = 1;
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ve->parallel = 1;
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ve->has_user = 0;
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ve->param_description = vje_build_param_list( ve->num_params, "Recursions");
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return ve;
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}
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static inline void ac_average( uint8_t *dst, const uint8_t *src1, const uint8_t *src2, const int len )
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{
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unsigned int i;
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for( i = 0; i < len; i ++ ) {
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dst[i] = (src1[i] + src2[i]) >> 1;
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}
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}
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static void average_blend_apply1( VJFrame *frame, VJFrame *frame2, int average_blend)
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{
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unsigned int i;
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for( i = 0; i < average_blend; i ++ ) {
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ac_average( frame->data[0], frame2->data[0], frame->data[0], frame->len );
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ac_average( frame->data[1], frame2->data[1], frame->data[1], frame->uv_len );
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ac_average( frame->data[2], frame2->data[2], frame->data[2], frame->uv_len );
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}
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}
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void average_blend_apply( void *ptr, VJFrame *frame, VJFrame *frame2, int *args)
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{
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average_blend_apply1( frame,frame2,args[0] );
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}
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void average_blend_applyN( void *ptr, VJFrame *frame, VJFrame *frame2, int *args) {
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int average_blend = args[0];
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average_blend_apply1( frame,frame2,average_blend );
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}
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