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