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moved veejay-current to veejay-2005 (branch closed)

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git-svn-id: svn://code.dyne.org/veejay/trunk@509 eb8d1916-c9e9-0310-b8de-cf0c9472ead5
This commit is contained in:
Niels Elburg
2006-01-20 16:43:25 +00:00
parent 18ca387003
commit c84f6ca821
960 changed files with 0 additions and 0 deletions
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95
veejay-current/libvje/effects/widthmirror.c
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@@ -1,95 +0,0 @@
/*
* 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 "widthmirror.h"
#include <stdlib.h>
#include <stdio.h>
vj_effect *widthmirror_init(int max_width,int h)
{
vj_effect *ve = (vj_effect *) vj_malloc(sizeof(vj_effect));
ve->num_params = 1;
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] = 2;
ve->limits[0][0] = 2;
ve->limits[1][0] = max_width;
ve->description = "Width Mirror";
ve->sub_format = 0;
ve->extra_frame = 0;
ve->has_user = 0;
return ve;
}
void widthmirror_apply(VJFrame *frame, int width, int height,
int width_div)
{
unsigned int r, c;
const int len = frame->len;
const int uv_len = frame->uv_len;
const int uv_width = frame->uv_width;
const int uv_width_div = width_div;
int p1;
uint8_t x1, x2, x3;
uint8_t *Y = frame->data[0];
uint8_t *Cb= frame->data[1];
uint8_t *Cr= frame->data[2];
if (width_div >= width || width_div < 2)
width_div = 2;
for (r = width; r < len; r += width) {
unsigned int divisor = width / width_div;
for (c = 0; c < width; c++) {
if (divisor - c < 0)
p1 = c - divisor + r;
else
p1 = divisor - c + r;
x1 = Y[c + r];
Y[p1] = x1;
Y[width - c + r] = x1;
}
}
for (r = uv_width; r < uv_len; r += uv_width) {
unsigned int divisor = uv_width / uv_width_div;
for (c = 0; c < uv_width; c++) {
if (divisor - c < 0)
p1 = c - divisor + r;
else
p1 = divisor - c + r;
x2 = Cb[c + r];
Cb[p1] = x2;
Cb[uv_width - c + r] = x2;
x3 = Cr[c + r];
Cr[p1] = x3;
Cr[uv_width - c + r] = x3;
}
}
}
void widthmirror_free(){}