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Initial checkin of veejay 1.4

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git-svn-id: svn://code.dyne.org/veejay/trunk@1172 eb8d1916-c9e9-0310-b8de-cf0c9472ead5
This commit is contained in:
Niels Elburg
2008-11-10 20:16:24 +00:00
parent d81258c54c
commit d8e6f98d53
793 changed files with 244409 additions and 0 deletions
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83
veejay-current/veejay-server/libvje/effects/pixelate.c Normal file
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/*
* 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 <config.h>
#include <stdint.h>
#include <libvjmem/vjmem.h>
#include "pixelate.h"
static uint8_t values[512];
vj_effect *pixelate_init(int width, int height)
{
vj_effect *ve = (vj_effect *) vj_calloc(sizeof(vj_effect));
int i;
int nvalues=0;
for(i=1; i < width; i++)
{
if( (width%i)== 0)
{
values[nvalues] = i;
nvalues++;
}
}
ve->num_params = 1;
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->limits[0][0] = 1;
ve->limits[1][0] = nvalues-2;
ve->defaults[0] = 8;
ve->description = "Pixelate";
ve->sub_format = 0;
ve->extra_frame = 0;
ve->has_user =0;
ve->param_description = vje_build_param_list( ve->num_params, "Pixels");
return ve;
}
void pixelate_apply( VJFrame *frame, int w, int h , int vv )
{
unsigned int i,j ;
unsigned int len = frame->len;
const unsigned int v = values[vv];
const unsigned int uv_len = frame->uv_len;
const unsigned int u_v = v >> frame->shift_h;
uint8_t *Y = frame->data[0];
uint8_t *Cb= frame->data[1];
uint8_t *Cr= frame->data[2];
for (i = 0; i < len; i+=v) {
for(j=0; j < v; j++)
{
Y[i+j] = Y[i];
}
}
for (i = 0; i < uv_len; i+=u_v) {
for(j=0; j < u_v; j++)
{
Cb[i+j] = Cb[i];
Cr[i+j] = Cr[i];
}
}
}