Clément Foucault
e85eb51a28
That was causing crashes when loading uncompressed avi files created with blender 2.79.
95 lines
2.5 KiB
C
95 lines
2.5 KiB
C
/*
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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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/** \file
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* \ingroup avi
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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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#include <stdlib.h>
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#include <string.h>
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#include "MEM_guardedalloc.h"
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#include "IMB_imbuf.h"
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#include "AVI_avi.h"
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#include "avi_rgb32.h"
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void *avi_converter_from_rgb32(AviMovie *movie, int stream, unsigned char *buffer, size_t *size)
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{
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unsigned char *buf;
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(void)stream; /* unused */
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*size = (size_t)movie->header->Height * (size_t)movie->header->Width * 3;
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buf = imb_alloc_pixels(
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movie->header->Height, movie->header->Width, 3, sizeof(unsigned char), "fromrgb32buf");
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if (!buf) {
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return NULL;
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}
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size_t rowstridea = movie->header->Width * 3;
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size_t rowstrideb = movie->header->Width * 4;
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for (size_t y = 0; y < movie->header->Height; y++) {
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for (size_t 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, size_t *size)
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{
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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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*size = (size_t)movie->header->Height * (size_t)movie->header->Width * 4;
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buf = imb_alloc_pixels(
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movie->header->Height, movie->header->Width, 4, sizeof(unsigned char), "torgb32buf");
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if (!buf) {
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return NULL;
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}
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memset(buf, 255, *size);
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to = buf;
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from = buffer;
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size_t i = (size_t)movie->header->Height * (size_t)movie->header->Width;
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while (i--) {
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memcpy(to, from, 3);
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to += 4;
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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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