implemented fast forward and max ff speed

src/common/utils.c

@@ -5,6 +5,7 @@
 #include <fcntl.h>
 #include <math.h>
 #include <ctype.h>
+#include <sys/time.h>
 #include "utils.h"
 #include "defines.h"
 
@@ -148,3 +149,15 @@ void putInt(char* path, int value) {
 	sprintf(buffer, "%d", value);
 	putFile(path, buffer);
 }
+
+uint64_t getMicroseconds(void) {
+    uint64_t ret;
+    struct timeval tv;
+
+    gettimeofday(&tv, NULL);
+
+    ret = (uint64_t)tv.tv_sec * 1000000;
+    ret += (uint64_t)tv.tv_usec;
+
+    return ret;
+}

src/common/utils.h

@@ -1,6 +1,8 @@
 #ifndef UTILS_H
 #define UTILS_H
 
+#include <stdint.h>
+
 int prefixMatch(char* pre, char* str);
 int suffixMatch(char* suf, char* str);
 int exactMatch(char* str1, char* str2);
@@ -20,4 +22,6 @@ void getFile(char* path, char* buffer, size_t buffer_size);
 void putInt(char* path, int value);
 int getInt(char* path);
 
+uint64_t getMicroseconds(void);
+
 #endif