mirror of https://github.com/mpv-player/mpv
73 lines
1.6 KiB
C
73 lines
1.6 KiB
C
|
|
//gcc test2.c -O2 -I.. -L. ../libvo/aclib.c -lMP3 -lm -o test2
|
|
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
|
|
#include <fcntl.h>
|
|
#include <sys/ioctl.h>
|
|
#include <unistd.h>
|
|
#include <sys/soundcard.h>
|
|
|
|
#include "mp3lib/mp3.h"
|
|
#include "config.h"
|
|
#include "cpudetect.h"
|
|
|
|
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;
|
|
float length;
|
|
int r;
|
|
int audio_fd;
|
|
|
|
mp3file=fopen((argc>1)?argv[1]:"test.mp3","rb");
|
|
if(!mp3file){ printf("file not found\n"); exit(1); }
|
|
|
|
GetCpuCaps(&gCpuCaps);
|
|
|
|
// MPEG Audio:
|
|
#ifdef USE_FAKE_MONO
|
|
MP3_Init(0);
|
|
#else
|
|
MP3_Init();
|
|
#endif
|
|
MP3_samplerate=MP3_channels=0;
|
|
len=MP3_DecodeFrame(buffer,-1);
|
|
|
|
audio_fd=open("/dev/dsp", O_WRONLY);
|
|
if(audio_fd<0){ printf("Can't open audio device\n");exit(1); }
|
|
r=AFMT_S16_LE;ioctl (audio_fd, SNDCTL_DSP_SETFMT, &r);
|
|
r=MP3_channels-1;ioctl (audio_fd, SNDCTL_DSP_STEREO, &r);
|
|
r=MP3_samplerate;ioctl (audio_fd, SNDCTL_DSP_SPEED, &r);
|
|
printf("audio_setup: using %d Hz samplerate (requested: %d)\n",r,MP3_samplerate);
|
|
|
|
while(1){
|
|
int len2;
|
|
if(len==0) len=MP3_DecodeFrame(buffer,-1);
|
|
if(len<=0) break; // EOF
|
|
|
|
// play it
|
|
len2=write(audio_fd,buffer,len);
|
|
if(len2<0) break; // ERROR?
|
|
len-=len2; total+=len2;
|
|
if(len>0){
|
|
// this shouldn't happen...
|
|
memcpy(buffer,buffer+len2,len);
|
|
putchar('!');fflush(stdout);
|
|
}
|
|
}
|
|
|
|
fclose(mp3file);
|
|
|
|
}
|