mirror of
https://github.com/mpv-player/mpv
synced 2024-12-25 00:02:13 +00:00
d7a1d12f61
git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@30494 b3059339-0415-0410-9bf9-f77b7e298cf2
90 lines
2.2 KiB
C
90 lines
2.2 KiB
C
/*
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* This file is part of MPlayer.
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*
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* MPlayer is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* MPlayer is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with MPlayer; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#define DUMP_PCM
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#include <stdio.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include <sys/time.h>
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#include "config.h"
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#include "mp3lib/mp3.h"
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#include "cpudetect.h"
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static inline unsigned int GetTimer(void){
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struct timeval tv;
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struct timezone tz;
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// float s;
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gettimeofday(&tv,&tz);
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// s=tv.tv_usec;s*=0.000001;s+=tv.tv_sec;
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return tv.tv_sec * 1000000 + tv.tv_usec;
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}
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static FILE* mp3file=NULL;
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int mplayer_audio_read(char *buf,int size){
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return fread(buf,1,size,mp3file);
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}
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#define BUFFLEN 4608
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static unsigned char buffer[BUFFLEN];
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int main(int argc,char* argv[]){
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int len;
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int total=0;
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unsigned int time1;
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float length;
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#ifdef DUMP_PCM
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FILE *f=NULL;
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f=fopen("test.pcm","wb");
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#endif
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mp3file=fopen((argc>1)?argv[1]:"test.mp3","rb");
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if(!mp3file){ printf("file not found\n"); exit(1); }
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GetCpuCaps(&gCpuCaps);
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// MPEG Audio:
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#ifdef CONFIG_FAKE_MONO
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MP3_Init(0);
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#else
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MP3_Init();
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#endif
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MP3_samplerate=MP3_channels=0;
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time1=GetTimer();
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while((len=MP3_DecodeFrame(buffer,-1))>0 && total<2000000){
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total+=len;
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// play it
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#ifdef DUMP_PCM
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fwrite(buffer,len,1,f);
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#endif
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//putchar('.');fflush(stdout);
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}
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time1=GetTimer()-time1;
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length=(float)total/(float)(MP3_samplerate*MP3_channels*2);
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printf("\nDecoding time: %8.6f\n",(float)time1*0.000001f);
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printf("Uncompressed size: %d bytes (%8.3f secs)\n",total,length);
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printf("CPU usage at normal playback: %5.2f %%\n",time1*0.0001f/length);
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fclose(mp3file);
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return 0;
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}
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