云窗缓存视屏解码程序

来源：互联网发布：数据特征分析编辑：程序博客网时间：2024/06/09 18:24

云窗缓存视频解码程序，放假在家无聊写的，可能有bug，忘大家指正！

#include <stdio.h>#include <stdlib.h>#include <string.h>#include <malloc.h>#define MAX_PATH 255void banner(){system("cls");printf(" /—————————————————————\\\r\n");printf("|             云窗缓存视频解码程序           |\r\n");printf(" \\—————————————————————/\r\n");printf("base code by wormfox\r\n\r\n");printf("blog:http://t.qq.com/wormfox\r\n\r\n");printf("rewritten by 879965984@qq.com\r\n\r\n");printf("eg: decoding.exe 1.mp4\r\n\r\n");printf("推荐把要解密的视频文件拖到程序上\r\n\r\n");}void Decoding_xor(const char *path){FILE *fp;unsigned char file_byte[MAX_PATH];int i;//printf("%s\n",argv[1]);if (path == NULL)return;fp = fopen(path,"rb+");//读写字符串if (fp == NULL)return;// for(i = 0;i<=254;i++)// ch[i] =fgetc(fp);fread( file_byte,sizeof(char),255,fp);fseek(fp,-255,SEEK_CUR);for(i = 0;i<255;i++)fputc((unsigned int)file_byte[i]^0xFF,fp);fclose(fp);printf("视频解密成功\r\n");}void Extension(const char *path,char *str_ext_out){int i,j;char ch[255];char hz[10]={'\0'};if (path != NULL&&strlen(path)<255)//防止空参数和溢出strcpy(ch,path);elsereturn;for (i =0;ch[i]!='\0';i++){if(ch[i] =='.'){for (j =0;j<=strlen(path)-i&&j<10;j++)//防止超长后缀溢出{hz[j] = ch[i+1];i++;}break;}}strcpy(str_ext_out,hz);//return ext;}int main(int argc,char *argv[]){//char *ext = NULL;char *str_exp = NULL;banner();str_exp = (char *)malloc(MAX_PATH);if( str_exp == NULL ){printf( "内存分配失败\n" );system("pause");return -1;}if(argv[1]==NULL){system("pause");return -1;}Extension((argv[1]),str_exp);if (strcmp(str_exp,"mkv")==0||strcmp(str_exp,"mp4")==0)   Decoding_xor(argv[1]);    elseprintf("文件不是音频文件\n");free(str_exp);//内存泄露str_exp=NULL;system("pause");return 0;}

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