int Import_WPL( vlc_object_t* p_this )
{
demux_t* p_demux = (demux_t*)p_this;
CHECK_FILE();
if( !demux_IsPathExtension( p_demux, ".wpl" ) &&
!demux_IsPathExtension( p_demux, ".zpl" ) )
return VLC_EGENERIC;
DEMUX_INIT_COMMON();
demux_sys_t* p_sys = p_demux->p_sys;
uint8_t *p_peek;
ssize_t i_peek = stream_Peek( p_demux->s, (const uint8_t **) &p_peek, 2048 );
if( unlikely( i_peek <= 0 ) )
{
Close_WPL( p_this );
return VLC_EGENERIC;
}
stream_t *p_probestream = stream_MemoryNew( p_demux->s, p_peek, i_peek, true );
if( unlikely( !p_probestream ) )
{
Close_WPL( p_this );
return VLC_EGENERIC;
}
p_sys->p_reader = xml_ReaderCreate( p_this, p_probestream );
if ( !p_sys->p_reader )
{
msg_Err( p_demux, "Failed to create an XML reader" );
Close_WPL( p_this );
stream_Delete( p_probestream );
return VLC_EGENERIC;
}
const int i_flags = p_sys->p_reader->i_flags;
p_sys->p_reader->i_flags |= OBJECT_FLAGS_QUIET;
const char* psz_name;
int type = xml_ReaderNextNode( p_sys->p_reader, &psz_name );
p_sys->p_reader->i_flags = i_flags;
if ( type != XML_READER_STARTELEM || strcasecmp( psz_name, "smil" ) )
{
msg_Err( p_demux, "Invalid WPL playlist. Root element should have been <smil>" );
Close_WPL( p_this );
stream_Delete( p_probestream );
return VLC_EGENERIC;
}
p_sys->p_reader = xml_ReaderReset( p_sys->p_reader, p_demux->s );
stream_Delete( p_probestream );
msg_Dbg( p_demux, "Found valid WPL playlist" );
return VLC_SUCCESS;
}
/*****************************************************************************
* Open:
*****************************************************************************/
static int Open( vlc_object_t *p_this )
{
demux_t *p_demux = (demux_t*)p_this;
demux_sys_t *p_sys;
char *psz_file;
ifo_handle_t *p_vmg_file;
if( !p_demux->psz_path || !*p_demux->psz_path )
{
/* Only when selected */
if( !p_demux->psz_access || !*p_demux->psz_access )
return VLC_EGENERIC;
psz_file = var_InheritString( p_this, "dvd" );
}
else
psz_file = strdup( p_demux->psz_path );
#ifdef WIN32
if( psz_file != NULL )
{
size_t flen = strlen( psz_file );
if( flen > 0 && psz_file[flen - 1] == '\\' )
psz_file[flen - 1] = '\0';
}
else
psz_file = strdup("");
#endif
if( unlikely(psz_file == NULL) )
return VLC_EGENERIC;
/* Open dvdread */
const char *psz_path = ToLocale( psz_file );
dvd_reader_t *p_dvdread = DVDOpen( psz_path );
LocaleFree( psz_path );
if( p_dvdread == NULL )
{
msg_Err( p_demux, "DVDRead cannot open source: %s", psz_file );
dialog_Fatal( p_demux, _("Playback failure"),
_("DVDRead could not open the disc \"%s\"."), psz_file );
free( psz_file );
return VLC_EGENERIC;
}
free( psz_file );
/* Ifo allocation & initialisation */
if( !( p_vmg_file = ifoOpen( p_dvdread, 0 ) ) )
{
msg_Warn( p_demux, "cannot open VMG info" );
return VLC_EGENERIC;
}
msg_Dbg( p_demux, "VMG opened" );
/* Fill p_demux field */
DEMUX_INIT_COMMON(); p_sys = p_demux->p_sys;
ps_track_init( p_sys->tk );
p_sys->i_sar_num = 0;
p_sys->i_sar_den = 0;
p_sys->i_title_cur_time = (mtime_t) 0;
p_sys->i_cell_cur_time = (mtime_t) 0;
p_sys->i_cell_duration = (mtime_t) 0;
p_sys->p_dvdread = p_dvdread;
p_sys->p_vmg_file = p_vmg_file;
p_sys->p_title = NULL;
p_sys->p_vts_file = NULL;
p_sys->i_title = p_sys->i_chapter = -1;
p_sys->i_mux_rate = 0;
p_sys->i_angle = var_CreateGetInteger( p_demux, "dvdread-angle" );
if( p_sys->i_angle <= 0 ) p_sys->i_angle = 1;
DemuxTitles( p_demux, &p_sys->i_angle );
if( DvdReadSetArea( p_demux, 0, 0, p_sys->i_angle ) != VLC_SUCCESS )
{
Close( p_this );
msg_Err( p_demux, "DvdReadSetArea(0,0,%i) failed (can't decrypt DVD?)",
p_sys->i_angle );
return VLC_EGENERIC;
}
/* Update default_pts to a suitable value for dvdread access */
var_Create( p_demux, "dvdread-caching",
VLC_VAR_INTEGER|VLC_VAR_DOINHERIT );
return VLC_SUCCESS;
}
/*****************************************************************************
* Open: check file and initializes structures
*****************************************************************************/
static int Open( vlc_object_t *p_this )
{
demux_t *p_demux = (demux_t*)p_this;
demux_sys_t *p_sys;
uint8_t hdr[20];
const uint8_t *p_peek;
int i_cat;
int i_samples, i_modulo;
if( stream_Peek( p_demux->s , &p_peek, 4 ) < 4 )
return VLC_EGENERIC;
if( memcmp( p_peek, ".snd", 4 ) )
return VLC_EGENERIC;
/* skip signature */
stream_Read( p_demux->s, NULL, 4 ); /* cannot fail */
/* read header */
if( stream_Read( p_demux->s, hdr, 20 ) < 20 )
{
msg_Err( p_demux, "cannot read" );
return VLC_EGENERIC;
}
if( GetDWBE( &hdr[0] ) < 24 )
{
msg_Err( p_demux, "invalid file" );
return VLC_EGENERIC;
}
DEMUX_INIT_COMMON();
p_sys = p_demux->p_sys;
p_sys->i_time = 0;
p_sys->i_header_size = GetDWBE( &hdr[0] );
/* skip extra header data */
if( p_sys->i_header_size > 24 )
{
stream_Read( p_demux->s, NULL, p_sys->i_header_size - 24 );
}
/* init fmt */
es_format_Init( &p_sys->fmt, AUDIO_ES, 0 );
p_sys->fmt.audio.i_rate = GetDWBE( &hdr[12] );
p_sys->fmt.audio.i_channels = GetDWBE( &hdr[16] );
#if 0
p_sys->au.i_header_size = GetDWBE( &p_sys->au.i_header_size );
p_sys->au.i_data_size = GetDWBE( &p_sys->au.i_data_size );
p_sys->au.i_encoding = GetDWBE( &p_sys->au.i_encoding );
p_sys->au.i_sample_rate = GetDWBE( &p_sys->au.i_sample_rate );
p_sys->au.i_channels = GetDWBE( &p_sys->au.i_channels );
#endif
switch( GetDWBE( &hdr[8] ) )
{
case AU_ALAW_8: /* 8-bit ISDN A-law */
p_sys->fmt.i_codec = VLC_CODEC_ALAW;
p_sys->fmt.audio.i_bitspersample = 8;
p_sys->fmt.audio.i_blockalign = 1 * p_sys->fmt.audio.i_channels;
i_cat = AU_CAT_PCM;
break;
case AU_MULAW_8: /* 8-bit ISDN u-law */
p_sys->fmt.i_codec = VLC_CODEC_MULAW;
p_sys->fmt.audio.i_bitspersample = 8;
p_sys->fmt.audio.i_blockalign = 1 * p_sys->fmt.audio.i_channels;
i_cat = AU_CAT_PCM;
break;
case AU_LINEAR_8: /* 8-bit linear PCM */
p_sys->fmt.i_codec = VLC_FOURCC( 't','w','o','s' );
p_sys->fmt.audio.i_bitspersample = 8;
p_sys->fmt.audio.i_blockalign = 1 * p_sys->fmt.audio.i_channels;
i_cat = AU_CAT_PCM;
break;
case AU_LINEAR_16: /* 16-bit linear PCM */
p_sys->fmt.i_codec = VLC_FOURCC( 't','w','o','s' );
p_sys->fmt.audio.i_bitspersample = 16;
p_sys->fmt.audio.i_blockalign = 2 * p_sys->fmt.audio.i_channels;
i_cat = AU_CAT_PCM;
break;
case AU_LINEAR_24: /* 24-bit linear PCM */
p_sys->fmt.i_codec = VLC_FOURCC( 't','w','o','s' );
p_sys->fmt.audio.i_bitspersample = 24;
p_sys->fmt.audio.i_blockalign = 3 * p_sys->fmt.audio.i_channels;
i_cat = AU_CAT_PCM;
break;
case AU_LINEAR_32: /* 32-bit linear PCM */
p_sys->fmt.i_codec = VLC_FOURCC( 't','w','o','s' );
p_sys->fmt.audio.i_bitspersample = 32;
p_sys->fmt.audio.i_blockalign = 4 * p_sys->fmt.audio.i_channels;
i_cat = AU_CAT_PCM;
break;
case AU_FLOAT: /* 32-bit IEEE floating point */
p_sys->fmt.i_codec = VLC_FOURCC( 'a', 'u', 0, AU_FLOAT );
p_sys->fmt.audio.i_bitspersample = 32;
p_sys->fmt.audio.i_blockalign = 4 * p_sys->fmt.audio.i_channels;
i_cat = AU_CAT_PCM;
break;
case AU_DOUBLE: /* 64-bit IEEE floating point */
p_sys->fmt.i_codec = VLC_FOURCC( 'a', 'u', 0, AU_DOUBLE );
p_sys->fmt.audio.i_bitspersample = 64;
p_sys->fmt.audio.i_blockalign = 8 * p_sys->fmt.audio.i_channels;
i_cat = AU_CAT_PCM;
break;
case AU_ADPCM_G721: /* 4-bit CCITT g.721 ADPCM */
p_sys->fmt.i_codec = VLC_FOURCC( 'a', 'u', 0, AU_ADPCM_G721 );
p_sys->fmt.audio.i_bitspersample = 0;
p_sys->fmt.audio.i_blockalign = 0 * p_sys->fmt.audio.i_channels;
i_cat = AU_CAT_ADPCM;
break;
case AU_ADPCM_G722: /* CCITT g.722 ADPCM */
p_sys->fmt.i_codec = VLC_FOURCC( 'a', 'u', 0, AU_ADPCM_G722 );
p_sys->fmt.audio.i_bitspersample = 0;
p_sys->fmt.audio.i_blockalign = 0 * p_sys->fmt.audio.i_channels;
i_cat = AU_CAT_ADPCM;
break;
case AU_ADPCM_G723_3: /* CCITT g.723 3-bit ADPCM */
p_sys->fmt.i_codec = VLC_FOURCC( 'a', 'u', 0, AU_ADPCM_G723_3 );
p_sys->fmt.audio.i_bitspersample = 0;
p_sys->fmt.audio.i_blockalign = 0 * p_sys->fmt.audio.i_channels;
i_cat = AU_CAT_ADPCM;
break;
case AU_ADPCM_G723_5: /* CCITT g.723 5-bit ADPCM */
p_sys->fmt.i_codec = VLC_FOURCC( 'a', 'u', 0, AU_ADPCM_G723_5 );
p_sys->fmt.audio.i_bitspersample = 0;
p_sys->fmt.audio.i_blockalign = 0 * p_sys->fmt.audio.i_channels;
i_cat = AU_CAT_ADPCM;
break;
default:
msg_Warn( p_demux, "unknow encoding=0x%x", GetDWBE( &hdr[8] ) );
p_sys->fmt.audio.i_bitspersample = 0;
p_sys->fmt.audio.i_blockalign = 0;
i_cat = AU_CAT_UNKNOWN;
break;
}
p_sys->fmt.i_bitrate = p_sys->fmt.audio.i_rate *
p_sys->fmt.audio.i_channels *
p_sys->fmt.audio.i_bitspersample;
if( i_cat == AU_CAT_UNKNOWN || i_cat == AU_CAT_ADPCM )
{
p_sys->i_frame_size = 0;
p_sys->i_frame_length = 0;
msg_Err( p_demux, "unsupported codec/type (Please report it)" );
free( p_sys );
return VLC_EGENERIC;
}
if( p_sys->fmt.audio.i_rate == 0 )
{
msg_Err( p_demux, "invalid samplerate: 0" );
free( p_sys );
return VLC_EGENERIC;
}
/* add the es */
p_sys->es = es_out_Add( p_demux->out, &p_sys->fmt );
/* calculate 50ms frame size/time */
i_samples = __MAX( p_sys->fmt.audio.i_rate / 20, 1 );
p_sys->i_frame_size = i_samples * p_sys->fmt.audio.i_channels *
( (p_sys->fmt.audio.i_bitspersample + 7) / 8 );
if( p_sys->fmt.audio.i_blockalign > 0 )
{
if( ( i_modulo = p_sys->i_frame_size % p_sys->fmt.audio.i_blockalign ) != 0 )
{
p_sys->i_frame_size += p_sys->fmt.audio.i_blockalign - i_modulo;
}
}
p_sys->i_frame_length = (mtime_t)1000000 *
(mtime_t)i_samples /
(mtime_t)p_sys->fmt.audio.i_rate;
return VLC_SUCCESS;
}
