mirror of
https://github.com/game-stop/veejay.git
synced 2025-12-20 14:50:01 +01:00
5aeebcc603
double buffering of preview images, reduce default quality of preview image to 112x96 with nearest neighbour interpolation, speed up VIMS to get preview image, optimized fx cartonize,pencilscketch,magicoverlays,lumakey and flar, merged with matthijs' glade file, added matthijs' icons, added matthijs' themes, added samplebank prev and next button, added samplebank spin button, added multivims panel, dont jump between console and sample/stream view on status change, added callback to hide/show console information, fixed a few gtk criticals, fixed some other bugs, bumped version. git-svn-id: svn://code.dyne.org/veejay/trunk@562 eb8d1916-c9e9-0310-b8de-cf0c9472ead5
93 lines
2.5 KiB
C
93 lines
2.5 KiB
C
/*
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* Linux VeeJay
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*
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* Copyright(C)2004 Niels Elburg <nelburg@looze.net>
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License , or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307 , USA.
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*/
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#include <config.h>
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#include "cartonize.h"
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#include <stdlib.h>
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vj_effect *cartonize_init(int w, int h)
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{
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vj_effect *ve = (vj_effect *) vj_malloc(sizeof(vj_effect));
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ve->num_params = 3;
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ve->defaults = (int *) vj_malloc(sizeof(int) * ve->num_params); /* default values */
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ve->limits[0] = (int *) vj_malloc(sizeof(int) * ve->num_params); /* min */
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ve->limits[1] = (int *) vj_malloc(sizeof(int) * ve->num_params); /* max */
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ve->limits[0][0] = 1;
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ve->limits[1][0] = 255;
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ve->limits[0][1] = 0;
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ve->limits[1][1] = 255;
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ve->limits[0][2] = 0;
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ve->limits[1][2] = 255;
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ve->defaults[0] = 64;
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ve->defaults[1] = 0;
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ve->defaults[2] = 0;
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ve->description = "Cartoon";
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ve->sub_format = 0;
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ve->extra_frame = 0;
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ve->has_user = 0;
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return ve;
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}
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void cartonize_apply( VJFrame *frame, int width, int height, int b1, int b2, int b3)
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{
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unsigned int i;
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int len = (width * height);
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int uv_len = frame->uv_len;
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uint8_t tmp;
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int p;
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uint8_t *Y = frame->data[0];
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uint8_t *Cb = frame->data[1];
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uint8_t *Cr = frame->data[2];
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const int base = (const int) b1;
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int ubase= (const int) b2 - 128;
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int vbase= (const int) b3 - 128;
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// ubase/vbase cannot be 0
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if(ubase==0) ubase=1;
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if(vbase==0) vbase=1;
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for( i = 0 ; i < len ; i ++ )
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{
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tmp = Y[i];
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// if(tmp < 16 ) tmp = 16; else if(tmp > 235 ) tmp = 235;
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Y[i] = (tmp / base) * base; // loose fractional part
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}
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if(b2 > 0)
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for( i = 0; i < uv_len; i ++ )
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{
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p = Cb[i] - 128;
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//if( p < -127 ) p = -127;
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// if( p > 127 ) p = 127;
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Cb[i] = (p / ubase) * ubase + 128;
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}
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if(b3> 0 )
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for( i = 0; i < uv_len; i ++ )
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{
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p = Cr[i] - 128;
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//if( p < -127 ) p = -127;
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// if( p > 127 ) p = 127;
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Cr[i] = (p / vbase) * vbase + 128;
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}
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}
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