/* * This file is part of MPlayer. * * MPlayer is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * MPlayer is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License along * with MPlayer; if not, write to the Free Software Foundation, Inc., * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. */ #define DUMP_PCM #include #include #include #include #include "config.h" #include "mp3lib/mp3.h" #include "cpudetect.h" static inline unsigned int GetTimer(void){ 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; #ifdef DUMP_PCM FILE *f=NULL; f=fopen("test.pcm","wb"); #endif mp3file=fopen((argc>1)?argv[1]:"test.mp3","rb"); if(!mp3file){ printf("file not found\n"); exit(1); } GetCpuCaps(&gCpuCaps); // MPEG Audio: #ifdef CONFIG_FAKE_MONO MP3_Init(0); #else MP3_Init(); #endif MP3_samplerate=MP3_channels=0; time1=GetTimer(); while((len=MP3_DecodeFrame(buffer,-1))>0 && total<2000000){ total+=len; // play it #ifdef DUMP_PCM fwrite(buffer,len,1,f); #endif //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); return 0; }