mirror of
https://github.com/game-stop/veejay.git
synced 2025-12-17 05:10:00 +01:00
267 lines
6.6 KiB
C
267 lines
6.6 KiB
C
/*
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* Linux VeeJay
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*
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* EffecTV - Realtime Digital Video Effector
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* Copyright (C) 2001-2006 FUKUCHI Kentaro
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*
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* TimeDistortionTV - scratch the surface and playback old images.
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* Copyright (C) 2005 Ryo-ta
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*
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* Ported and arranged by Kentaro Fukuchi
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* Ported and modified by Niels Elburg
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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 "softblur.h"
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#include "timedistort.h"
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#include <libvje/internal.h>
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#include <libvje/effects/motionmap.h>
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#define PLANES 32
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vj_effect *timedistort_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] = 5;
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ve->limits[1][0] = 100;
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ve->defaults[0] = 40;
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ve->description = "TimeDistortionTV (EffectTV)";
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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->motion = 1;
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ve->param_description = vje_build_param_list( ve->num_params, "Value");
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return ve;
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}
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typedef struct {
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int n__;
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int N__;
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uint8_t *nonmap;
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uint8_t *planes[4];
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uint8_t *planetableY[PLANES];
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uint8_t *planetableU[PLANES];
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uint8_t *planetableV[PLANES];
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uint8_t *warptime[2];
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int state;
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int plane;
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int warptimeFrame;
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int have_bg;
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void *motionmap;
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} timedistort_t;
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void *timedistort_malloc( int w, int h )
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{
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unsigned int i;
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timedistort_t *td = (timedistort_t*) vj_calloc(sizeof(timedistort_t));
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if(!td) {
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return NULL;
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}
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td->nonmap = vj_calloc( (RUP8(2 * w * h) + RUP8(2 * w)) * sizeof(uint8_t));
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if(!td->nonmap) {
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free(td);
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return NULL;
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}
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td->planes[0] = vj_malloc( RUP8(PLANES * 3 * w * h) * sizeof(uint8_t));
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if(!td->planes[0]) {
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free(td->nonmap);
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free(td);
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return NULL;
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}
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td->planes[1] = td->planes[0] + RUP8(PLANES * w * h );
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td->planes[2] = td->planes[1] + RUP8(PLANES * w * h );
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veejay_memset( td->planes[0],0, RUP8(PLANES * w * h ));
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veejay_memset( td->planes[1],128,RUP8(PLANES * w * h ));
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veejay_memset( td->planes[2],128,RUP8(PLANES * w * h ));
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td->have_bg = 0;
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td->n__ = 0;
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td->N__ = 0;
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for( i = 0; i < PLANES; i ++ )
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{
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td->planetableY[i] = &(td->planes[0][ (w*h) * i ]);
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td->planetableU[i] = &(td->planes[1][ (w*h) * i ]);
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td->planetableV[i] = &(td->planes[2][ (w*h) * i ]);
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}
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td->warptime[0] = (uint8_t*) vj_calloc( sizeof(uint8_t) * RUP8((w * h)) );
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if(!td->warptime[0]) {
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free(td->nonmap);
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free(td->planes[0]);
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free(td);
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return NULL;
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}
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td->warptime[1] = (uint8_t*) vj_calloc( sizeof(uint8_t) * RUP8((w * h)) );
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if(!td->warptime[1]) {
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free(td->nonmap);
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free(td->planes[0]);
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free(td->warptime[0]);
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free(td);
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return NULL;
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}
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td->plane = 0;
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td->state = 1;
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return (void*) td;
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}
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void timedistort_free(void *ptr)
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{
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timedistort_t *td = (timedistort_t*) ptr;
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if(td->nonmap)
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free(td->nonmap);
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if( td->planes[0])
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free(td->planes[0]);
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if( td->warptime[0] )
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free(td->warptime[0]);
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if( td->warptime[1] )
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free(td->warptime[1] );
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free(td);
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}
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int timedistort_request_fx() {
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return VJ_IMAGE_EFFECT_MOTIONMAP;
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}
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void timedistort_set_motionmap(void *ptr, void *priv)
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{
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timedistort_t *t = (timedistort_t*) ptr;
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t->motionmap = priv;
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}
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void timedistort_apply( void *ptr, VJFrame *frame, int *args )
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{
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unsigned int i;
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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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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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int interpolate = 1;
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int motion = 0;
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int tmp1,tmp2;
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int val = args[0];
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timedistort_t *td = (timedistort_t*) ptr;
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uint8_t *diff = td->nonmap;
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uint8_t *prev = td->nonmap + len;
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if(motionmap_active(td->motionmap)) //@ use motion mapping frame
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{
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motionmap_scale_to(td->motionmap, 255,255,1,1,&tmp1,&tmp2, &(td->n__),&(td->N__) );
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diff = motionmap_bgmap(td->motionmap);
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motion = 1;
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}
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else
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{
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td->n__ = 0;
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td->N__ = 0;
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if(!td->have_bg)
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{
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vj_frame_copy1( Y, prev, len );
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VJFrame smooth;
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veejay_memcpy(&smooth,frame, sizeof(VJFrame));
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smooth.data[0] = prev;
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softblur_apply_internal(&smooth, 0 );
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veejay_memset( diff, 0, len );
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td->have_bg = 1;
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return;
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}
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else
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{
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/*for( i = 0; i < len ; i ++ )
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{
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diff[i] = (abs(prev[i] - Y[i])> val ? 0xff: 0 );
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}*/
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vje_diff_plane( prev, Y, diff, val, len );
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vj_frame_copy1( Y, prev, len );
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VJFrame smooth;
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veejay_memcpy(&smooth,frame, sizeof(VJFrame));
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smooth.data[0] = prev;
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softblur_apply_internal(&smooth, 0 );
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}
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}
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if( td->n__ == td->N__ || td->n__ == 0 )
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interpolate = 0;
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//@ process
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uint8_t *planeTables[4] = { td->planetableY[td->plane], td->planetableU[td->plane], td->planetableV[td->plane], NULL };
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int strides[4] = { len, len, len, 0 };
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vj_frame_copy( frame->data, planeTables, strides );
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uint8_t *p = td->warptime[ td->warptimeFrame ];
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uint8_t *q = td->warptime[ td->warptimeFrame ^ 1];
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unsigned int x,y;
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for( y = height - 2; y > 0 ; y -- )
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{
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for( x = width - 2; x > 0; x -- )
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{
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i = *(p - width) + *(p-1) + *(p+1) + *(p + width);
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if( i > 3 ) i-= 3;
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p++;
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*q++ = i >> 2;
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if( x % width != 0 )
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p++;
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}
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p += 2;
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q += 2;
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}
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q = td->warptime[ td->warptimeFrame ^ 1 ];
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int n_plane = 0;
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for( i = 0; i < len; i ++ )
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{
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if( diff[i] ) {
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q[i] = PLANES - 1;
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}
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n_plane = ( td->plane - q[i] + PLANES ) & (PLANES-1);
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Y[i] = td->planetableY[ n_plane ][i];
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Cb[i] = td->planetableU[ n_plane ][i];
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Cr[i] = td->planetableV[ n_plane ][i];
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}
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td->plane ++;
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td->plane = td->plane & (PLANES-1);
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td->warptimeFrame ^= 1;
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if(interpolate)
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motionmap_interpolate_frame( td->motionmap,frame, td->N__,td->n__ );
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if(motion)
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motionmap_store_frame(td->motionmap,frame);
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}
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