mirror of
https://github.com/game-stop/veejay.git
synced 2025-12-24 08:40:01 +01:00
Initial checkin of veejay 1.4
git-svn-id: svn://code.dyne.org/veejay/trunk@1172 eb8d1916-c9e9-0310-b8de-cf0c9472ead5
This commit is contained in:
Niels Elburg
175
veejay-current/veejay-server/libvje/effects/mirrors.c
Normal file
175
veejay-current/veejay-server/libvje/effects/mirrors.c
Normal file
@@ -0,0 +1,175 @@
|
||||
/*
|
||||
* Linux VeeJay
|
||||
*
|
||||
* Copyright(C)2002 Niels Elburg <elburg@hio.hen.nl>
|
||||
*
|
||||
* 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 <stdint.h>
|
||||
#include <libvjmem/vjmem.h>
|
||||
#include "mirrors.h"
|
||||
#include "common.h"
|
||||
|
||||
vj_effect *mirrors_init(int width,int height)
|
||||
{
|
||||
|
||||
vj_effect *ve = (vj_effect *) vj_calloc(sizeof(vj_effect));
|
||||
ve->num_params = 2;
|
||||
ve->defaults = (int *) vj_calloc(sizeof(int) * ve->num_params); /* default values */
|
||||
ve->limits[0] = (int *) vj_calloc(sizeof(int) * ve->num_params); /* min */
|
||||
ve->limits[1] = (int *) vj_calloc(sizeof(int) * ve->num_params); /* max */
|
||||
ve->defaults[0] = 0;
|
||||
ve->defaults[1] = 1;
|
||||
ve->limits[0][0] = 0; /* horizontal or vertical mirror */
|
||||
ve->limits[1][0] = 3;
|
||||
ve->limits[0][1] = 0;
|
||||
ve->limits[1][1] = (int)((float)(width * 0.33));
|
||||
ve->sub_format = 1;
|
||||
ve->description = "Multi Mirrors";
|
||||
ve->extra_frame = 0;
|
||||
ve->has_user = 0;
|
||||
ve->param_description = vje_build_param_list( ve->num_params, "H or V", "Number" );
|
||||
return ve;
|
||||
}
|
||||
|
||||
void _mirrors_v( uint8_t *yuv[3], int width, int height, int factor, int swap)
|
||||
{
|
||||
const int len = width * height;
|
||||
int r,c;
|
||||
const int line_width = width / ( factor + 1);
|
||||
int i=0;
|
||||
|
||||
if(swap)
|
||||
{
|
||||
for(r = 0; r < len; r += width )
|
||||
{
|
||||
for( c = 0 ; c < width; c+= line_width)
|
||||
{
|
||||
for(i = 0; i < line_width; i++)
|
||||
{
|
||||
yuv[0][r + c + (line_width-i)] = yuv[0][r + c + i];
|
||||
yuv[1][r + c + (line_width-i)] = yuv[1][r + c + i];
|
||||
yuv[2][r + c + (line_width-i)] = yuv[2][r + c + i];
|
||||
}
|
||||
}
|
||||
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
for(r = 0; r < len; r += width )
|
||||
{
|
||||
for( c = 0 ; c < width; c+= line_width)
|
||||
{
|
||||
for(i = 0; i < line_width; i++)
|
||||
{
|
||||
yuv[0][r + c + i] = yuv[0][r + c + (line_width-i)];
|
||||
yuv[1][r + c + i] = yuv[1][r + c + (line_width-i)];
|
||||
yuv[2][r + c + i] = yuv[2][r + c + (line_width-i)];
|
||||
}
|
||||
}
|
||||
|
||||
}
|
||||
}
|
||||
}
|
||||
void _mirrors_h( uint8_t *yuv[3], int width, int height, int factor, int swap)
|
||||
{
|
||||
int line_height = height / ( factor + 1);
|
||||
|
||||
int nr = height / line_height;
|
||||
int x,y,i;
|
||||
int slice = 0;
|
||||
int slice_end = 0;
|
||||
if(swap)
|
||||
{
|
||||
for(i=0; i < nr; i++)
|
||||
{
|
||||
slice = i * line_height;
|
||||
slice_end = slice + line_height;
|
||||
for(y=slice; y < slice_end; y++)
|
||||
{
|
||||
for(x=0; x < width; x++)
|
||||
{
|
||||
yuv[0][(y*width)+x] = yuv[0][(slice_end-y)*width+x];
|
||||
yuv[1][y*width+x] = yuv[1][(slice_end-y)*width+x];
|
||||
yuv[2][y*width+x] = yuv[2][(slice_end-y)*width+x];
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
for(i=0; i < nr; i++)
|
||||
{
|
||||
slice = i * line_height;
|
||||
slice_end = slice + line_height;
|
||||
for(y=slice_end; y > 0; y--)
|
||||
{
|
||||
for(x=0; x < width; x++)
|
||||
{
|
||||
yuv[0][y*width+x] = yuv[0][(slice_end-y)*width+x];
|
||||
yuv[1][y*width+x] = yuv[1][(slice_end-y)*width+x];
|
||||
yuv[2][y*width+x] = yuv[2][(slice_end-y)*width+x];
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
static int n__ = 0;
|
||||
static int N__ = 0;
|
||||
|
||||
void mirrors_apply(VJFrame *frame, int width, int height, int type,
|
||||
int factor )
|
||||
{
|
||||
int interpolate = 1;
|
||||
int motion = 0;
|
||||
int tmp1 = 0;
|
||||
int tmp2 = factor;
|
||||
if( motionmap_active() )
|
||||
{
|
||||
int hi = (int)((float)(width * 0.33));
|
||||
|
||||
motionmap_scale_to( hi,hi,0,0,&tmp1,&tmp2,&n__,&N__);
|
||||
motion = 1;
|
||||
}
|
||||
else
|
||||
{
|
||||
n__ = 0;
|
||||
N__ = 0;
|
||||
interpolate=0;
|
||||
}
|
||||
|
||||
switch (type) {
|
||||
case 0:
|
||||
_mirrors_v(frame->data, width, height, tmp2, 0);
|
||||
break;
|
||||
case 1:
|
||||
_mirrors_v(frame->data,width,height,tmp2,1);
|
||||
break;
|
||||
case 2:
|
||||
_mirrors_h(frame->data,width,height,tmp2,0);
|
||||
break;
|
||||
case 3:
|
||||
_mirrors_h(frame->data,width,height,tmp2,1);
|
||||
break;
|
||||
}
|
||||
|
||||
if( interpolate )
|
||||
motionmap_interpolate_frame( frame, N__,n__ );
|
||||
if( motion )
|
||||
motionmap_store_frame( frame );
|
||||
}
|
||||
void mirrors_free(){}
|
||||
Reference in New Issue
Block a user