eessppeelllloo/veejay
1
0
Fork 0
mirror of https://github.com/game-stop/veejay.git synced 2025-12-19 14:19:58 +01:00
Code Issues Packages Projects Releases Wiki Activity

Cleaned up old experiment

Browse Source 
git-svn-id: svn://code.dyne.org/veejay/trunk@19 eb8d1916-c9e9-0310-b8de-cf0c9472ead5
This commit is contained in:
Niels Elburg
2004-08-02 14:54:56 +00:00
parent e66bec484a
commit f9199abe55
1 changed files with 4 additions and 41 deletions
Download Patch File Download Diff File Expand all files Collapse all files

43
veejay-30aug04/veejay-0.6/veejay/effects/opacity.c
View File

@@ -17,17 +17,11 @@
* 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 "opacity.h"
#include "../../config.h"
#include <stdlib.h>
#include "../subsample.h"
vj_effect *opacity_init(int w, int h)
{
int width = 720;
int height = 576;
int len = width * height;
vj_effect *ve = (vj_effect *) malloc(sizeof(vj_effect));
ve->num_params = 1;
ve->defaults = (int *) malloc(sizeof(int) * ve->num_params); /* default values */
@@ -61,42 +55,11 @@ void opacity_apply(uint8_t * yuv1[3], uint8_t * yuv2[3], int width,
len >>= 2;
for (i = 0; i < len; i++) {
op0 = yuv1[1][i];
yuv1[1][i] = (op0 * yuv1[1][i] + op1 * yuv2[1][i]) >> 8;
op0 = yuv1[2][i];
yuv1[2][i] = (op0 * yuv1[2][i] + op1 * yuv2[2][i]) >> 8;
}
/*
unsigned int scale_x,nx,ny,x,i,y,len=width*height;
double c1 = opacity;
const double w_ratio = width / 255.0;
const double h_ratio = height / 255.0;
int diff;
memcpy(buf[0], yuv1[0],len);
memcpy(buf[1], yuv1[1],len);
memcpy(buf[2], yuv1[2],len);
for(y=0; y < height ; y++)
{
for(x=0; x < width; x++)
{
i = y * width + x;
diff = abs( yuv1[0][i] - yuv2[0][i] );
if(diff > opacity)
{
diff = diff - 128;
nx = diff * w_ratio + x;
ny = diff * h_ratio + y;
if(nx < 0) nx += width;
if(nx < 0) nx = 0; else if (nx >= width) nx = width-1;
if(ny < 0) ny = 0; else if (ny >= height) ny = height-1;
yuv1[0][i] = buf[0][ny * width + nx];
yuv1[1][i] = buf[1][ny * width + nx];
yuv1[2][i] = buf[2][ny * width + nx];
}
}
}
*/
}