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moved veejay-devel to veejay-current (current branch re-opened)

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git-svn-id: svn://code.dyne.org/veejay/trunk@510 eb8d1916-c9e9-0310-b8de-cf0c9472ead5
This commit is contained in:
Niels Elburg
2006-01-20 16:44:05 +00:00
parent c84f6ca821
commit 146db20391
653 changed files with 0 additions and 0 deletions
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139
veejay-current/libvje/effects/cutstop.c Normal file
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/*
* Linux VeeJay
*
* Copyright(C)2002 Niels Elburg <elburg@hio.hen.nl>
*
* vvCutStop - ported from vvFFPP_basic
* Copyright(C)2005 Maciek Szczesniak <maciek@visualvinyl.net>
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License , or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307 , USA.
*/
#include <config.h>
#include <stdlib.h>
#include "common.h"
#include "split.h"
#include <stdlib.h>
#include <stdio.h>
static uint8_t *vvcutstop_buffer[3];
static unsigned int frq_cnt;
vj_effect *cutstop_init(int width , int height)
{
vj_effect *ve = (vj_effect *) vj_malloc(sizeof(vj_effect));
ve->num_params = 4;
ve->defaults = (int *) vj_malloc(sizeof(int) * ve->num_params); /* default values */
ve->limits[0] = (int *) vj_malloc(sizeof(int) * ve->num_params); /* min */
ve->limits[1] = (int *) vj_malloc(sizeof(int) * ve->num_params); /* max */
ve->defaults[0] = 40; // treshold
ve->defaults[1] = 50; // hold frame freq
ve->defaults[2] = 0; // cut mode
ve->defaults[3] = 0; // hold front/back
ve->limits[0][0] = 0;
ve->limits[1][0] = 255;
ve->limits[0][1] = 0;
ve->limits[1][1] = 255;
ve->limits[0][2] = 0;
ve->limits[1][2] = 1;
ve->limits[0][3] = 0;
ve->limits[1][3] = 1;
ve->description = "vvCutStop";
ve->sub_format = 1;
ve->extra_frame = 0;
ve->has_user = 0;
frq_cnt = 256;
return ve;
}
int cutstop_malloc(int width, int height)
{
vvcutstop_buffer[0] = (uint8_t*)vj_malloc(sizeof(uint8_t) * width * height );
if(!vvcutstop_buffer[0]) return 0;
vvcutstop_buffer[1] = (uint8_t*)vj_malloc(sizeof(uint8_t) * width * height );
if(!vvcutstop_buffer[1]) return 0;
vvcutstop_buffer[2] = (uint8_t*)vj_malloc(sizeof(uint8_t) * width * height );
if(!vvcutstop_buffer[2]) return 0;
return 1;
}
void cutstop_free() {
if(vvcutstop_buffer[0]) free(vvcutstop_buffer[0]);
if(vvcutstop_buffer[1]) free(vvcutstop_buffer[1]);
if(vvcutstop_buffer[2]) free(vvcutstop_buffer[2]);
}
void cutstop_apply( VJFrame *frame, int width, int height, int threshold, int freq, int cutmode, int holdmode) {
int i=0;
const unsigned int len = frame->len;
uint8_t *Yb = vvcutstop_buffer[0];
uint8_t *Ub = vvcutstop_buffer[1];
uint8_t *Vb = vvcutstop_buffer[2];
uint8_t *Yd = frame->data[0];
uint8_t *Ud = frame->data[1];
uint8_t *Vd = frame->data[2];
frq_cnt = frq_cnt + freq;
if (freq == 255 || frq_cnt > 255) {
veejay_memcpy(Yb, Yd, len);
veejay_memcpy(Ub, Ud, len);
veejay_memcpy(Vb, Vd, len);
frq_cnt = 0;
}
// moved cutmode & holdmode outside loop
if(cutmode && !holdmode)
{
for( i = 0; i < len; i ++ )
if( threshold > Yb[i] )
{
Yd[i] = Yb[i]; Ud[i] = Ub[i]; Vd[i] = Vb[i];
}
}
if(cutmode && holdmode)
{
for( i = 0; i < len; i ++ )
if( threshold > Yd[i] )
{
Yd[i] = Yb[i]; Ud[i] = Ub[i]; Vd[i] = Vb[i];
}
}
if(!cutmode && holdmode)
{
for( i =0 ; i < len; i ++ )
if( threshold < Yd[i])
{
Yd[i] = Yb[i]; Ud[i] = Ub[i]; Vd[i] = Vb[i];
}
}
if(!cutmode && !holdmode)
{
for( i = 0; i < len; i ++ )
if(threshold < Yb[i])
{
Yd[i] = Yb[i]; Ud[i] = Ub[i]; Vd[i] = Vb[i];
}
}
}