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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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98
veejay-current/veejay-server/libvje/effects/chromium.c Normal file
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/*
* Linux VeeJay
*
* Copyright(C)2004 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 <stdlib.h>
#include <libvjmem/vjmem.h>
#include "chromium.h"
#include "common.h"
vj_effect *chromium_init(int w, int h)
{
vj_effect *ve = (vj_effect *) vj_calloc(sizeof(vj_effect));
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] = 0;
ve->limits[1][0] = 3;
ve->defaults[0] = 0;
ve->description = "Chromium";
ve->sub_format = 0;
ve->extra_frame = 0;
ve->has_user = 0;
ve->param_description = vje_build_param_list( ve->num_params, "Mode" );
return ve;
}
void chromium_apply(VJFrame *frame, int width, int height, int m )
{
const int len = frame->uv_len;
uint8_t *Cb = frame->data[1];
uint8_t *Cr = frame->data[2];
unsigned int i;
double tmp;
switch(m)
{
case 0:
for( i = 0; i < len ; i++)
{
Cb[i] = 0xff - Cb[i];
}
break;
case 1:
for( i = 0; i < len ; i++ )
{
Cr[i] = 0xff - Cr[i];
}
break;
case 2:
for( i = 0; i < len; i++)
{
Cb[i] = 0xff - Cb[i];
Cr[i] = 0xff - Cr[i];
}
break;
case 3:
// swap cb/cr
for (i = 0; i < len ; i ++ )
{
tmp = Cb[i];
Cb[i] = Cr[i];
Cr[i] = tmp;
}
break;
/*
case 4:
// U - blue - Y , V = Red - Y
// U = 0.492 * ( B - Y )
for( i = 0; i < len; i++)
{
tmp = 0.492 * (VJ_EFFECT_CB_YELLOW - yuv[0][i * 2]);
t = 128 + (uint8_t) tmp;
Cb[i] = t;
}
break;
*/
}
}