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/*
* Copyright (C) 2004 the xine project
*
* This file is part of xine, a free video player.
*
* xine 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.
*
* xine 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
*
* $Id:
*
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "xineutils.h"
void yv12_to_yv12
(unsigned char *y_src, int y_src_pitch, unsigned char *y_dst, int y_dst_pitch,
unsigned char *u_src, int u_src_pitch, unsigned char *u_dst, int u_dst_pitch,
unsigned char *v_src, int v_src_pitch, unsigned char *v_dst, int v_dst_pitch,
int width, int height) {
int y, half_width = width / 2;
/* Y Plane */
if(y_src_pitch == y_dst_pitch)
xine_fast_memcpy(y_dst, y_src, y_src_pitch*height);
else {
for(y = 0; y < height; y++) {
xine_fast_memcpy(y_dst, y_src, width);
y_src += y_src_pitch;
y_dst += y_dst_pitch;
}
}
/* U/V Planes */
if((u_src_pitch == u_dst_pitch) && (v_src_pitch == v_dst_pitch)) {
xine_fast_memcpy(u_dst, u_src, u_src_pitch*height/2);
xine_fast_memcpy(v_dst, v_src, v_src_pitch*height/2);
} else {
for(y = 0; y < (height / 2); y++) {
xine_fast_memcpy(u_dst, u_src, half_width);
xine_fast_memcpy(v_dst, v_src, half_width);
u_src += u_src_pitch;
v_src += v_src_pitch;
u_dst += u_dst_pitch;
v_dst += v_dst_pitch;
}
}
}
void yuy2_to_yuy2
(unsigned char *src, int src_pitch,
unsigned char *dst, int dst_pitch,
int width, int height) {
int y, double_width = width * 2;
if(src_pitch == dst_pitch)
xine_fast_memcpy(dst, src, src_pitch*height);
else {
for(y = 0; y < height; y++) {
xine_fast_memcpy(dst, src, double_width);
src += src_pitch;
dst += dst_pitch;
}
}
}
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