1/* 2 * Copyright (C) 2002 Michael Niedermayer <michaelni@gmx.at> 3 * 4 * This file is part of FFmpeg. 5 * 6 * FFmpeg is free software; you can redistribute it and/or 7 * modify it under the terms of the GNU Lesser General Public 8 * License as published by the Free Software Foundation; either 9 * version 2.1 of the License, or (at your option) any later version. 10 * 11 * FFmpeg is distributed in the hope that it will be useful, 12 * but WITHOUT ANY WARRANTY; without even the implied warranty of 13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 14 * Lesser General Public License for more details. 15 * 16 * You should have received a copy of the GNU Lesser General Public 17 * License along with FFmpeg; if not, write to the Free Software 18 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA 19 */ 20 21#include <stdio.h> 22#include <string.h> /* for memset() */ 23#include <unistd.h> 24#include <stdlib.h> 25#include <inttypes.h> 26 27#include "swscale.h" 28#include "rgb2rgb.h" 29 30#define SIZE 1000 31#define srcByte 0x55 32#define dstByte 0xBB 33 34#define FUNC(s,d,n) {s,d,#n,n} 35 36static int cpu_caps; 37 38static char *args_parse(int argc, char *argv[]) 39{ 40 int o; 41 42 while ((o = getopt(argc, argv, "m23")) != -1) { 43 switch (o) { 44 case 'm': 45 cpu_caps |= SWS_CPU_CAPS_MMX; 46 break; 47 case '2': 48 cpu_caps |= SWS_CPU_CAPS_MMX2; 49 break; 50 case '3': 51 cpu_caps |= SWS_CPU_CAPS_3DNOW; 52 break; 53 default: 54 av_log(NULL, AV_LOG_ERROR, "Unknown option %c\n", o); 55 } 56 } 57 58 return argv[optind]; 59} 60 61int main(int argc, char **argv) 62{ 63 int i, funcNum; 64 uint8_t *srcBuffer= (uint8_t*)av_malloc(SIZE); 65 uint8_t *dstBuffer= (uint8_t*)av_malloc(SIZE); 66 int failedNum=0; 67 int passedNum=0; 68 69 av_log(NULL, AV_LOG_INFO, "memory corruption test ...\n"); 70 args_parse(argc, argv); 71 av_log(NULL, AV_LOG_INFO, "CPU capabilities forced to %x\n", cpu_caps); 72 sws_rgb2rgb_init(cpu_caps); 73 74 for(funcNum=0; ; funcNum++){ 75 struct func_info_s { 76 int src_bpp; 77 int dst_bpp; 78 const char *name; 79 void (*func)(const uint8_t *src, uint8_t *dst, long src_size); 80 } func_info[] = { 81 FUNC(2, 2, rgb15to16), 82 FUNC(2, 3, rgb15to24), 83 FUNC(2, 4, rgb15to32), 84 FUNC(2, 3, rgb16to24), 85 FUNC(2, 4, rgb16to32), 86 FUNC(3, 2, rgb24to15), 87 FUNC(3, 2, rgb24to16), 88 FUNC(3, 4, rgb24to32), 89 FUNC(4, 2, rgb32to15), 90 FUNC(4, 2, rgb32to16), 91 FUNC(4, 3, rgb32to24), 92 FUNC(2, 2, rgb16to15), 93 FUNC(2, 2, rgb15tobgr15), 94 FUNC(2, 2, rgb15tobgr16), 95 FUNC(2, 3, rgb15tobgr24), 96 FUNC(2, 4, rgb15tobgr32), 97 FUNC(2, 2, rgb16tobgr15), 98 FUNC(2, 2, rgb16tobgr16), 99 FUNC(2, 3, rgb16tobgr24), 100 FUNC(2, 4, rgb16tobgr32), 101 FUNC(3, 2, rgb24tobgr15), 102 FUNC(3, 2, rgb24tobgr16), 103 FUNC(3, 3, rgb24tobgr24), 104 FUNC(3, 4, rgb24tobgr32), 105 FUNC(4, 2, rgb32tobgr15), 106 FUNC(4, 2, rgb32tobgr16), 107 FUNC(4, 3, rgb32tobgr24), 108 FUNC(4, 4, rgb32tobgr32), 109 FUNC(0, 0, NULL) 110 }; 111 int width; 112 int failed=0; 113 int srcBpp=0; 114 int dstBpp=0; 115 116 if (!func_info[funcNum].func) break; 117 118 av_log(NULL, AV_LOG_INFO,"."); 119 memset(srcBuffer, srcByte, SIZE); 120 121 for(width=63; width>0; width--){ 122 int dstOffset; 123 for(dstOffset=128; dstOffset<196; dstOffset+=4){ 124 int srcOffset; 125 memset(dstBuffer, dstByte, SIZE); 126 127 for(srcOffset=128; srcOffset<196; srcOffset+=4){ 128 uint8_t *src= srcBuffer+srcOffset; 129 uint8_t *dst= dstBuffer+dstOffset; 130 const char *name=NULL; 131 132 if(failed) break; //don't fill the screen with shit ... 133 134 srcBpp = func_info[funcNum].src_bpp; 135 dstBpp = func_info[funcNum].dst_bpp; 136 name = func_info[funcNum].name; 137 138 func_info[funcNum].func(src, dst, width*srcBpp); 139 140 if(!srcBpp) break; 141 142 for(i=0; i<SIZE; i++){ 143 if(srcBuffer[i]!=srcByte){ 144 av_log(NULL, AV_LOG_INFO, "src damaged at %d w:%d src:%d dst:%d %s\n", 145 i, width, srcOffset, dstOffset, name); 146 failed=1; 147 break; 148 } 149 } 150 for(i=0; i<dstOffset; i++){ 151 if(dstBuffer[i]!=dstByte){ 152 av_log(NULL, AV_LOG_INFO, "dst damaged at %d w:%d src:%d dst:%d %s\n", 153 i, width, srcOffset, dstOffset, name); 154 failed=1; 155 break; 156 } 157 } 158 for(i=dstOffset + width*dstBpp; i<SIZE; i++){ 159 if(dstBuffer[i]!=dstByte){ 160 av_log(NULL, AV_LOG_INFO, "dst damaged at %d w:%d src:%d dst:%d %s\n", 161 i, width, srcOffset, dstOffset, name); 162 failed=1; 163 break; 164 } 165 } 166 } 167 } 168 } 169 if(failed) failedNum++; 170 else if(srcBpp) passedNum++; 171 } 172 173 av_log(NULL, AV_LOG_INFO, "\n%d converters passed, %d converters randomly overwrote memory\n", passedNum, failedNum); 174 return failedNum; 175} 176