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/*
*
* This is external code. Converts between rgb32 and avi.
*
* ***** BEGIN GPL LICENSE BLOCK *****
*
* 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
* The Original Code is Copyright (C) 2001-2002 by NaN Holding BV.
* All rights reserved.
*
* The Original Code is: all of this file.
*
* Contributor(s): none yet.
*
* ***** END GPL LICENSE BLOCK *****
*
*/
/** \file blender/avi/intern/rgb32.c
* \ingroup avi
*/
#include "AVI_avi.h"
#include <stdlib.h>
#include <string.h>
#include "MEM_guardedalloc.h"
#include "rgb32.h"
void *avi_converter_from_rgb32 (AviMovie *movie, int stream, unsigned char *buffer, int *size)
{
int y, x, rowstridea, rowstrideb;
unsigned char *buf;
(void)stream; /* unused */
buf = MEM_mallocN (movie->header->Height * movie->header->Width * 3, "fromrgb32buf");
*size = movie->header->Height * movie->header->Width * 3;
rowstridea = movie->header->Width*3;
rowstrideb = movie->header->Width*4;
for (y=0; y < movie->header->Height; y++) {
for (x=0; x < movie->header->Width; x++) {
buf[y*rowstridea + x*3 + 0] = buffer[y*rowstrideb + x*4 + 3];
buf[y*rowstridea + x*3 + 1] = buffer[y*rowstrideb + x*4 + 2];
buf[y*rowstridea + x*3 + 2] = buffer[y*rowstrideb + x*4 + 1];
}
}
MEM_freeN (buffer);
return buf;
}
void *avi_converter_to_rgb32 (AviMovie *movie, int stream, unsigned char *buffer, int *size)
{
int i;
unsigned char *buf;
unsigned char *to, *from;
(void)stream; /* unused */
buf= MEM_mallocN (movie->header->Height * movie->header->Width * 4, "torgb32buf");
*size= movie->header->Height * movie->header->Width * 4;
memset(buf, 255, *size);
to= buf; from= buffer;
i=movie->header->Height*movie->header->Width;
while (i--) {
memcpy(to, from, 3);
to+=4; from+=3;
}
MEM_freeN (buffer);
return buf;
}
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