/* * 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;            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;                    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;}