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cs_test.c    176 lines (154 with data), 5.8 kB

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/*
* Copyright (C) 2002 Michael Niedermayer <michaelni@gmx.at>
*
* This file is part of FFmpeg.
*
* FFmpeg 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.
*
* FFmpeg 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 FFmpeg; 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 <unistd.h>
#include <stdlib.h>
#include <inttypes.h>
#include "swscale.h"
#include "rgb2rgb.h"
#define SIZE 1000
#define srcByte 0x55
#define dstByte 0xBB
#define FUNC(s,d,n) {s,d,#n,n}
static int cpu_caps;
static char *args_parse(int argc, char *argv[])
{
int o;
while ((o = getopt(argc, argv, "m23")) != -1) {
switch (o) {
case 'm':
cpu_caps |= SWS_CPU_CAPS_MMX;
break;
case '2':
cpu_caps |= SWS_CPU_CAPS_MMX2;
break;
case '3':
cpu_caps |= SWS_CPU_CAPS_3DNOW;
break;
default:
av_log(NULL, AV_LOG_ERROR, "Unknown option %c\n", o);
}
}
return argv[optind];
}
int main(int argc, char **argv)
{
int i, funcNum;
uint8_t *srcBuffer= (uint8_t*)av_malloc(SIZE);
uint8_t *dstBuffer= (uint8_t*)av_malloc(SIZE);
int failedNum=0;
int passedNum=0;
av_log(NULL, AV_LOG_INFO, "memory corruption test ...\n");
args_parse(argc, argv);
av_log(NULL, AV_LOG_INFO, "CPU capabilities forced to %x\n", cpu_caps);
sws_rgb2rgb_init(cpu_caps);
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, long 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, 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;
if(failed) break; //don't fill the screen with shit ...
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;
}