mirror of
https://github.com/game-stop/veejay.git
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110 lines
3.7 KiB
C
110 lines
3.7 KiB
C
/*
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* Linux VeeJay
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*
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* Copyright(C)2002 Niels Elburg <elburg@hio.hen.nl>
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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 "transop.h"
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#include <stdlib.h>
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#include <stdio.h>
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vj_effect *transop_init(int width, int height)
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{
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vj_effect *ve = (vj_effect *) malloc(sizeof(vj_effect));
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ve->num_params = 7;
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ve->defaults = (int *) malloc(sizeof(int) * ve->num_params); /* default values */
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ve->limits[0] = (int *) malloc(sizeof(int) * ve->num_params); /* min */
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ve->limits[1] = (int *) malloc(sizeof(int) * ve->num_params); /* max */
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ve->defaults[0] = 150; /* opacity */
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ve->defaults[1] = 265; /* twdith */
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ve->defaults[2] = 194; /* theight */
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ve->defaults[3] = 59; /* y1 */
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ve->defaults[4] = 58; /* x1 */
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ve->defaults[5] = 45; /* y2 */
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ve->defaults[6] = 58; /* x2 */
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ve->limits[0][0] = 0;
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ve->limits[1][0] = 255;
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ve->limits[0][1] = 1;
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ve->limits[1][1] = width;
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ve->limits[0][2] = 1;
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ve->limits[1][2] = height;
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ve->limits[0][3] = 1;
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ve->limits[1][3] = height;
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ve->limits[0][4] = 1;
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ve->limits[1][4] = width;
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ve->limits[0][5] = 1;
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ve->limits[1][5] = height;
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ve->limits[0][6] = 1;
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ve->limits[1][6] = width;
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ve->description = "Transition Translate Opacity";
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ve->sub_format = 1;
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ve->extra_frame = 1;
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ve->has_user = 0;
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return ve;
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}
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/* translate, twidth,theight: size of block to transform */
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/* moves block(x2,y2) to (x1,y1), size of block to move is twidth * theight */
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void transop_apply( VJFrame *frame, VJFrame *frame2,
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int twidth, int theight, int x1, int y1, int x2, int y2,
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int width, int height, int opacity)
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{
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int x, y;
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unsigned int op0, op1;
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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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uint8_t *Y2 = frame2->data[0];
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uint8_t *Cb2 = frame2->data[1];
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uint8_t *Cr2 = frame2->data[2];
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op1 = (opacity > 255) ? 255 : opacity;
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op0 = 255 - op1;
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/* translate yuv2 into yuv1, Luminance */
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if( (theight + y2) > height ) y2 = (height-theight);
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if( (twidth + x2) > width) x2 = (width-twidth);
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for (y = 0; y < theight; y++) {
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for (x = 0; x < twidth; x++) {
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Y[((y2 + y) * width + x2 + x)] = (op0 * Y[((y2 + y) * width + x2 + x)] + op1 * Y2[((y1 + y) * width + x1 + x)]) >> 8; ///235;
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Cb[((y2 + y) * width + x2 + x)] = (op0 * Cb[((y2 + y) * width + x2 + x)] + op1 * Cb2[((y1 + y) * width + x1 + x)]) >> 8;
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Cr[((y2 + y) * width + x2 + x)] = (op0 * Cr[((y2 + y) * width + x2 + x)] + op1 * Cr2[((y1 + y) * width + x1 + x)]) >> 8;
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}
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}
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/*
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uv_width = width / 2;
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uvy1 = y1 / 2;
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uvy2 = y2 / 2;
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uvx1 = x1 / 2;
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uvx2 = x2 / 2;
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for (y = 0; y < (theight/2); y++) {
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for (x = 0; x < (twidth/2
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); x++) {
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Cb[((uvy2 + y) * uv_width + uvx2 + x)] = (op0 * Cb[((uvy2 + y) * uv_width + uvx2 + x)] + op1 * Cb2[((uvy1 + y) * uv_width + uvx1 + x)]) >> 8; ///235;
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Cr[((uvy2 + y) * uv_width + uvx2 + x)] = (op0 * Cr[((uvy2 + y) * uv_width + uvx2 + x)] + op1 * Cr2[((uvy1 + y) * uv_width + uvx1 + x)]) >> 8; //235;
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}
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}
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*/
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}
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void transop_free(){}
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