diff options
Diffstat (limited to 'libmpcodecs/ad_mp3lib.c')
-rw-r--r-- | libmpcodecs/ad_mp3lib.c | 80 |
1 files changed, 80 insertions, 0 deletions
diff --git a/libmpcodecs/ad_mp3lib.c b/libmpcodecs/ad_mp3lib.c new file mode 100644 index 0000000000..e4b8f9c4bc --- /dev/null +++ b/libmpcodecs/ad_mp3lib.c @@ -0,0 +1,80 @@ +#include <stdio.h> +#include <stdlib.h> +#include <unistd.h> + +#include "config.h" +#include "ad_internal.h" + +static ad_info_t info = +{ + "MPEG layer-2, layer-3", + "mp3lib", + AFM_MPEG, + "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 USE_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->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); +} |