mirror of https://github.com/mpv-player/mpv
82 lines
1.7 KiB
C
82 lines
1.7 KiB
C
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <unistd.h>
|
|
|
|
#include "config.h"
|
|
|
|
#include "ad_internal.h"
|
|
|
|
static const ad_info_t info =
|
|
{
|
|
"MPEG layer-2, layer-3",
|
|
"mp3lib",
|
|
"Nick Kurshev",
|
|
"mpg123",
|
|
"Optimized to MMX/SSE/3Dnow!"
|
|
};
|
|
|
|
LIBAD_EXTERN(mp3lib)
|
|
|
|
#include "mp3lib/mp3.h"
|
|
|
|
extern int fakemono;
|
|
|
|
static sh_audio_t* dec_audio_sh=NULL;
|
|
|
|
// MP3 decoder buffer callback:
|
|
int mplayer_audio_read(char *buf,int size){
|
|
return demux_read_data(dec_audio_sh->ds,buf,size);
|
|
}
|
|
|
|
static int preinit(sh_audio_t *sh)
|
|
{
|
|
sh->audio_out_minsize=32*36*2*2; //4608;
|
|
return 1;
|
|
}
|
|
|
|
static int init(sh_audio_t *sh)
|
|
{
|
|
// MPEG Audio:
|
|
dec_audio_sh=sh; // save sh_audio for the callback:
|
|
// MP3_Init(fakemono,mplayer_accel,&mplayer_audio_read); // TODO!!!
|
|
#ifdef CONFIG_FAKE_MONO
|
|
MP3_Init(fakemono);
|
|
#else
|
|
MP3_Init();
|
|
#endif
|
|
MP3_samplerate=MP3_channels=0;
|
|
sh->a_buffer_len=MP3_DecodeFrame(sh->a_buffer,-1);
|
|
if(!sh->a_buffer_len) return 0; // unsupported layer/format
|
|
sh->channels=2; // hack
|
|
sh->samplesize=2;
|
|
sh->samplerate=MP3_samplerate;
|
|
sh->i_bps=MP3_bitrate*(1000/8);
|
|
MP3_PrintHeader();
|
|
return 1;
|
|
}
|
|
|
|
static void uninit(sh_audio_t *sh)
|
|
{
|
|
}
|
|
|
|
static int control(sh_audio_t *sh,int cmd,void* arg, ...)
|
|
{
|
|
switch(cmd)
|
|
{
|
|
case ADCTRL_RESYNC_STREAM:
|
|
MP3_DecodeFrame(NULL,-2); // resync
|
|
MP3_DecodeFrame(NULL,-2); // resync
|
|
MP3_DecodeFrame(NULL,-2); // resync
|
|
return CONTROL_TRUE;
|
|
case ADCTRL_SKIP_FRAME:
|
|
MP3_DecodeFrame(NULL,-2); // skip MPEG frame
|
|
return CONTROL_TRUE;
|
|
}
|
|
return CONTROL_UNKNOWN;
|
|
}
|
|
|
|
static int decode_audio(sh_audio_t *sh_audio,unsigned char *buf,int minlen,int maxlen)
|
|
{
|
|
return MP3_DecodeFrame(buf,-1);
|
|
}
|