test.c added for benchmarking

git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@789 b3059339-0415-0410-9bf9-f77b7e298cf2
This commit is contained in:
arpi_esp 2001-05-13 18:58:23 +00:00
parent 7369497050
commit 20053431c9
2 changed files with 65 additions and 0 deletions

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@ -18,6 +18,9 @@ CFLAGS = $(OPTFLAGS)
libMP3.a: .depend $(OBJS) libMP3.a: .depend $(OBJS)
$(AR) r libMP3.a $(OBJS) $(AR) r libMP3.a $(OBJS)
test: libMP3.a test.c
$(CC) $(CFLAGS) test.c -o test -I.. -L. -lMP3
all: libMP3.a all: libMP3.a
clean: clean:

62
mp3lib/test.c Normal file
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@ -0,0 +1,62 @@
// gcc test.c -I.. -L. -lMP3 -o test -O4
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <sys/time.h>
#include "mp3lib/mp3.h"
#include "config.h"
static inline unsigned int GetTimer(){
struct timeval tv;
struct timezone tz;
// float s;
gettimeofday(&tv,&tz);
// s=tv.tv_usec;s*=0.000001;s+=tv.tv_sec;
return (tv.tv_sec*1000000+tv.tv_usec);
}
static FILE* mp3file=NULL;
int mplayer_audio_read(char *buf,int size){
return fread(buf,1,size,mp3file);
}
#define BUFFLEN 4608
static unsigned char buffer[BUFFLEN];
int main(int argc,char* argv[]){
int len;
int total=0;
unsigned int time1;
float length;
mp3file=fopen((argc>1)?argv[1]:"test.mp3","rb");
if(!mp3file){ printf("file not found\n"); exit(1); }
// MPEG Audio:
#ifdef USE_FAKE_MONO
MP3_Init(0);
#else
MP3_Init();
#endif
MP3_samplerate=MP3_channels=0;
time1=GetTimer();
while((len=MP3_DecodeFrame(buffer,-1))>0){
total+=len;
// play it
//putchar('.');fflush(stdout);
}
time1=GetTimer()-time1;
length=(float)total/(float)(MP3_samplerate*MP3_channels*2);
printf("\nDecoding time: %8.6f\n",(float)time1*0.000001f);
printf("Uncompressed size: %d bytes (%8.3f secs)\n",total,length);
printf("CPU usage at normal playback: %5.2f %\n",time1*0.0001f/length);
fclose(mp3file);
}