www.pudn.com > h264src.zip > timer.h

#ifndef _TIMER_H_ 
#define _TIMER_H_ 
 
#include "portab.h" 
 
typedef struct   
{ 
    int64_t all; 
    int64_t start; 
    int64_t overhead; 
} timer_st; 
 
#ifdef ENABLE_PROFILE 
 
static __inline void 
start_timer(timer_st* t) 
{ 
    t->start = read_counter(); 
} 
 
static __inline void 
stop_timer_all(timer_st* t) 
{ 
    t->all += read_counter() - t->start - t->overhead; 
} 
 
static __inline void  
init_timer(timer_st* t) 
{ 
    memset(t, 0, sizeof(*t)); 
    start_timer(t); 
    t->overhead = read_counter() - t->start; 
} 
 
#else // ENABLE_PROFILE 
 
static __inline void 
start_timer(timer_st* t) 
{ 
} 
 
static __inline void 
stop_timer_all(timer_st* t) 
{ 
} 
 
static __inline void  
init_timer(timer_st* t) 
{ 
} 
 
#endif 
#endif