/*****************************************************************************
* OpenDecoder :
*****************************************************************************/
static int OpenDecoder( vlc_object_t *p_this )
{
decoder_t *p_dec = (decoder_t *)p_this;
decoder_sys_t *p_sys;
if( p_dec->fmt_in.i_codec != VLC_CODEC_MPGA &&
p_dec->fmt_in.i_codec != VLC_CODEC_MP3 )
return VLC_EGENERIC;
/* Initialize libmpg123 */
if( InitMPG123() != MPG123_OK )
return VLC_EGENERIC;
/* Allocate the memory needed to store the module's structure */
p_sys = p_dec->p_sys = malloc( sizeof(decoder_sys_t) );
if( p_sys == NULL )
return VLC_ENOMEM;
p_sys->p_out = NULL;
date_Set( &p_sys->end_date, VLC_TS_INVALID );
if( MPG123Open( p_dec ) )
goto error;
p_dec->fmt_out.i_codec = VLC_CODEC_FL32;
p_dec->fmt_out.audio.i_rate = 0; /* So end_date gets initialized */
p_dec->fmt_out.audio.i_format = p_dec->fmt_out.i_codec;
p_dec->pf_decode = DecodeBlock;
p_dec->pf_flush = Flush;
msg_Dbg( p_this, "%4.4s->%4.4s, bits per sample: %i",
(char *)&p_dec->fmt_in.i_codec,
(char *)&p_dec->fmt_out.i_codec,
aout_BitsPerSample( p_dec->fmt_out.i_codec ) );
return VLC_SUCCESS;
error:
ExitMPG123();
free( p_sys );
return VLC_EGENERIC;
}
/*****************************************************************************
* OpenDecoder :
*****************************************************************************/
static int OpenDecoder( vlc_object_t *p_this )
{
decoder_t *p_dec = (decoder_t *)p_this;
decoder_sys_t *p_sys;
if( p_dec->fmt_in.i_codec != VLC_CODEC_MPGA &&
p_dec->fmt_in.i_codec != VLC_CODEC_MP3 )
return VLC_EGENERIC;
p_dec->fmt_out.i_cat = AUDIO_ES;
p_dec->fmt_out.i_codec = VLC_CODEC_FL32;
/* Initialize libmpg123 */
if( InitMPG123() != MPG123_OK )
return VLC_EGENERIC;
/* Allocate the memory needed to store the module's structure */
p_sys = p_dec->p_sys = malloc( sizeof(decoder_sys_t) );
if( p_sys == NULL )
return VLC_ENOMEM;
/* Create our mpg123 handle */
if( ( p_sys->p_handle = mpg123_new( NULL, NULL ) ) == NULL )
goto error;
/* Open a new bitstream */
if( mpg123_open_feed( p_sys->p_handle ) != MPG123_OK )
{
msg_Err( p_this, "mpg123 error: can't open feed" );
goto error;
}
/* Disable resync stream after error */
mpg123_param( p_sys->p_handle, MPG123_ADD_FLAGS, MPG123_NO_RESYNC, 0 );
/* Setup output format */
mpg123_format_none( p_sys->p_handle );
if( MPG123_OK != mpg123_format( p_sys->p_handle,
p_dec->fmt_in.audio.i_rate,
MPG123_MONO | MPG123_STEREO,
MPG123_ENC_FLOAT_32 ) )
{
msg_Err( p_this, "mpg123 error: %s",
mpg123_strerror( p_sys->p_handle ) );
mpg123_close( p_sys->p_handle );
goto error;
}
p_dec->fmt_out.audio.i_rate = 0; /* So end_date gets initialized */
p_dec->fmt_out.audio.i_format = p_dec->fmt_out.i_codec;
p_dec->pf_decode_audio = DecodeBlock;
msg_Dbg( p_this, "%4.4s->%4.4s, bits per sample: %i",
(char *)&p_dec->fmt_in.i_codec,
(char *)&p_dec->fmt_out.i_codec,
aout_BitsPerSample( p_dec->fmt_out.i_codec ) );
return VLC_SUCCESS;
error:
mpg123_delete( p_sys->p_handle );
ExitMPG123();
free( p_sys );
return VLC_EGENERIC;
}
