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/*
* Copyright (C) 2002 Michael Niedermayer <michaelni@gmx.at>
*
* This file is part of Libav.
*
* Libav is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* Libav 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with Libav; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include <stdio.h>
#include <string.h> /* for memset() */
#include <stdlib.h>
#include <inttypes.h>
#include "swscale.h"
#include "rgb2rgb.h"
#include "libavutil/mem.h"
#define SIZE 1000
#define srcByte 0x55
#define dstByte 0xBB
#define FUNC(s, d, n) { s, d, #n, n }
int main(void)
{
int i, funcNum;
uint8_t *srcBuffer = av_malloc(SIZE);
uint8_t *dstBuffer = av_malloc(SIZE);
int failedNum = 0;
int passedNum = 0;
if (!srcBuffer || !dstBuffer)
return -1;
av_log(NULL, AV_LOG_INFO, "memory corruption test ...\n");
sws_rgb2rgb_init();
for (funcNum = 0; ; funcNum++) {
struct func_info_s {
int src_bpp;
int dst_bpp;
const char *name;
void (*func)(const uint8_t *src, uint8_t *dst, int src_size);
} func_info[] = {
FUNC(2, 2, rgb15to16),
FUNC(2, 3, rgb15to24),
FUNC(2, 4, rgb15to32),
FUNC(2, 3, rgb16to24),
FUNC(2, 4, rgb16to32),
FUNC(3, 2, rgb24to15),
FUNC(3, 2, rgb24to16),
FUNC(3, 4, rgb24to32),
FUNC(4, 2, rgb32to15),
FUNC(4, 2, rgb32to16),
FUNC(4, 3, rgb32to24),
FUNC(2, 2, rgb16to15),
FUNC(2, 2, rgb15tobgr15),
FUNC(2, 2, rgb15tobgr16),
FUNC(2, 3, rgb15tobgr24),
FUNC(2, 4, rgb15tobgr32),
FUNC(2, 2, rgb16tobgr15),
FUNC(2, 2, rgb16tobgr16),
FUNC(2, 3, rgb16tobgr24),
FUNC(2, 4, rgb16tobgr32),
FUNC(3, 2, rgb24tobgr15),
FUNC(3, 2, rgb24tobgr16),
FUNC(3, 3, rgb24tobgr24),
FUNC(3, 4, rgb24tobgr32),
FUNC(4, 2, rgb32tobgr15),
FUNC(4, 2, rgb32tobgr16),
FUNC(4, 3, rgb32tobgr24),
FUNC(4, 4, shuffle_bytes_2103), /* rgb32tobgr32 */
FUNC(0, 0, NULL)
};
int width;
int failed = 0;
int srcBpp = 0;
int dstBpp = 0;
if (!func_info[funcNum].func)
break;
av_log(NULL, AV_LOG_INFO, ".");
memset(srcBuffer, srcByte, SIZE);
for (width = 63; width > 0; width--) {
int dstOffset;
for (dstOffset = 128; dstOffset < 196; dstOffset += 4) {
int srcOffset;
memset(dstBuffer, dstByte, SIZE);
for (srcOffset = 128; srcOffset < 196; srcOffset += 4) {
uint8_t *src = srcBuffer + srcOffset;
uint8_t *dst = dstBuffer + dstOffset;
const char *name = NULL;
// don't fill the screen with shit ...
if (failed)
break;
srcBpp = func_info[funcNum].src_bpp;
dstBpp = func_info[funcNum].dst_bpp;
name = func_info[funcNum].name;
func_info[funcNum].func(src, dst, width * srcBpp);
if (!srcBpp)
break;
for (i = 0; i < SIZE; i++) {
if (srcBuffer[i] != srcByte) {
av_log(NULL, AV_LOG_INFO,
"src damaged at %d w:%d src:%d dst:%d %s\n",
i, width, srcOffset, dstOffset, name);
failed = 1;
break;
}
}
for (i = 0; i < dstOffset; i++) {
if (dstBuffer[i] != dstByte) {
av_log(NULL, AV_LOG_INFO,
"dst damaged at %d w:%d src:%d dst:%d %s\n",
i, width, srcOffset, dstOffset, name);
failed = 1;
break;
}
}
for (i = dstOffset + width * dstBpp; i < SIZE; i++) {
if (dstBuffer[i] != dstByte) {
av_log(NULL, AV_LOG_INFO,
"dst damaged at %d w:%d src:%d dst:%d %s\n",
i, width, srcOffset, dstOffset, name);
failed = 1;
break;
}
}
}
}
}
if (failed)
failedNum++;
else if (srcBpp)
passedNum++;
}
av_log(NULL, AV_LOG_INFO,
"\n%d converters passed, %d converters randomly overwrote memory\n",
passedNum, failedNum);
return failedNum;
}
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