00001
00024 #ifndef AVUTIL_TIMER_H
00025 #define AVUTIL_TIMER_H
00026
00027 #include <stdlib.h>
00028 #include <stdint.h>
00029 #include "config.h"
00030
00031 #if ARCH_ARM
00032 # include "arm/timer.h"
00033 #elif ARCH_BFIN
00034 # include "bfin/timer.h"
00035 #elif ARCH_PPC
00036 # include "ppc/timer.h"
00037 #elif ARCH_X86
00038 # include "x86/timer.h"
00039 #endif
00040
00041 #if !defined(AV_READ_TIME) && HAVE_GETHRTIME
00042 # define AV_READ_TIME gethrtime
00043 #endif
00044
00045 #ifdef AV_READ_TIME
00046 #define START_TIMER \
00047 uint64_t tend;\
00048 uint64_t tstart= AV_READ_TIME();\
00049
00050 #define STOP_TIMER(id) \
00051 tend= AV_READ_TIME();\
00052 {\
00053 static uint64_t tsum=0;\
00054 static int tcount=0;\
00055 static int tskip_count=0;\
00056 if(tcount<2 || tend - tstart < 8*tsum/tcount || tend - tstart < 2000){\
00057 tsum+= tend - tstart;\
00058 tcount++;\
00059 }else\
00060 tskip_count++;\
00061 if(((tcount+tskip_count)&(tcount+tskip_count-1))==0){\
00062 av_log(NULL, AV_LOG_ERROR, "%"PRIu64" dezicycles in %s, %d runs, %d skips\n",\
00063 tsum*10/tcount, id, tcount, tskip_count);\
00064 }\
00065 }
00066 #else
00067 #define START_TIMER
00068 #define STOP_TIMER(id) {}
00069 #endif
00070
00071 #endif
