Add m4s-to-mp4 source

cpp/m4s_to_mp4.cpp

@@ -0,0 +1,36 @@
+#include <cstdio>
+#include <thread>
+#include <cstring>
+#include <cstdlib>
+
+void clear(char str[]){
+    if(strlen(str)==0) return;
+    int i=0;
+    while(str[i]!='\n'){
+        i++;
+    }
+    str[i]='\0';
+}
+
+int main(int argc,char *argv[]){
+    char command[10000],filename1[1000],filename2[1000],output[1000];
+    printf("Input file1 name:");
+    fflush(stdin);
+    fgets(filename1,sizeof(filename1),stdin);
+    clear(filename1);
+    printf("Input file2 name:");
+    fflush(stdin);
+    fgets(filename2,sizeof(filename2),stdin);
+    clear(filename2);
+    printf("Input output name:");
+    fflush(stdin);
+    fgets(output,sizeof(output),stdin);
+    clear(output);
+    //printf("%s\n%s",filename1,filename2);
+    sprintf(command,"ffmpeg -i \"%s\" -i \"%s\" -codec copy \"%s\"",filename1,filename2,output);
+    //printf("%s",command);
+    std::thread first (system,command);
+    first.detach();
+    getchar();
+    return 0;
+}