static int Control (demux_t *demux, int query, va_list args)
{
demux_sys_t *sys = demux->p_sys;
switch (query)
{
case DEMUX_GET_TIME : {
int64_t *v = va_arg (args, int64_t*);
*v = sys->player->time() * sys->player->timebase() * (CLOCK_FREQ / 100);
return VLC_SUCCESS;
}
case DEMUX_GET_META : {
vlc_meta_t *p_meta = va_arg (args, vlc_meta_t *);
/* These are specified in the sid tune class as 0 = Title, 1 = Artist, 2 = Copyright/Publisher */
vlc_meta_SetTitle( p_meta, sys->tuneInfo.infoString[0] );
vlc_meta_SetArtist( p_meta, sys->tuneInfo.infoString[1] );
vlc_meta_SetCopyright( p_meta, sys->tuneInfo.infoString[2] );
return VLC_SUCCESS;
}
case DEMUX_GET_TITLE_INFO :
if ( sys->tuneInfo.songs > 1 ) {
input_title_t ***ppp_title = va_arg (args, input_title_t ***);
int *pi_int = va_arg( args, int* );
*pi_int = sys->tuneInfo.songs;
*ppp_title = (input_title_t**) malloc( sizeof (input_title_t*) * sys->tuneInfo.songs);
for( int i = 0; i < sys->tuneInfo.songs; i++ ) {
(*ppp_title)[i] = vlc_input_title_New();
}
return VLC_SUCCESS;
}
return VLC_EGENERIC;
case DEMUX_SET_TITLE : {
int i_idx = va_arg (args, int);
sys->tune->selectSong (i_idx+1);
bool result = (sys->player->load (sys->tune) >=0 );
if (!result)
return VLC_EGENERIC;
demux->info.i_title = i_idx;
demux->info.i_update = INPUT_UPDATE_TITLE;
msg_Dbg( demux, "set song %i", i_idx);
return VLC_SUCCESS;
}
}
/*****************************************************************************
* ParseID3Tag : parse an id3tag into the info structures
*****************************************************************************/
static void ParseID3Tag( demux_meta_t *p_demux_meta, const uint8_t *p_data, int i_size )
{
struct id3_tag *p_id3_tag;
struct id3_frame *p_frame;
vlc_meta_t *p_meta;
int i;
p_id3_tag = id3_tag_parse( p_data, i_size );
if( !p_id3_tag )
return;
if( !p_demux_meta->p_meta )
p_demux_meta->p_meta = vlc_meta_New();
p_meta = p_demux_meta->p_meta;
#define ID_IS( a ) (!strcmp( p_frame->id, a ))
#define DESCR_IS( a) strstr( (char*)p_frame->description, a )
#define GET_STRING(frame,fidx) id3_ucs4_latin1duplicate( id3_field_getstring( &(frame)->fields[fidx] ) )
/* */
for( i = 0; (p_frame = id3_tag_findframe( p_id3_tag, "UFID", i )) != NULL; i++ )
{
const char *psz_owner = id3_field_getlatin1( &p_frame->fields[0] );
if( !strncmp( psz_owner, "http://musicbrainz.org", 22 ) )
{
id3_byte_t const * p_ufid;
id3_length_t i_ufidlen;
p_ufid = id3_field_getbinarydata( &p_frame->fields[1], &i_ufidlen );
char *psz_ufid = strndup( p_ufid, i_ufidlen );
vlc_meta_SetTrackID( p_meta, psz_ufid );
free( psz_ufid );
}
}
/* User defined text (TXXX) */
for( i = 0; (p_frame = id3_tag_findframe( p_id3_tag, "TXXX", i )) != NULL; i++ )
{
/* 3 fields: 'encoding', 'description', 'value' */
char *psz_name = GET_STRING( p_frame, 1 );
char *psz_value = GET_STRING( p_frame, 2 );
vlc_meta_AddExtra( p_meta, psz_name, psz_value );
#if 0
if( !strncmp( psz_name, "MusicBrainz Artist Id", 21 ) )
vlc_meta_SetArtistID( p_meta, psz_value );
if( !strncmp( psz_desc, "MusicBrainz Album Id", 20 ) )
vlc_meta_SetAlbumID( p_meta, psz_value );
#endif
free( psz_name );
free( psz_value );
}
/* Relative volume adjustment */
for( i = 0; (p_frame = id3_tag_findframe( p_id3_tag, "RVA2", i )) != NULL; i++ )
{
/* 2 fields: 'latin1', 'binary' */
const char *psz_type = id3_field_getlatin1( &p_frame->fields[0] );
if( !strcasecmp( psz_type, "track" ) || !strcasecmp( psz_type, "album" ) ||
!strcasecmp( psz_type, "normalize" ) )
{
id3_byte_t const * p_data;
id3_length_t i_data;
p_data = id3_field_getbinarydata( &p_frame->fields[1], &i_data );
while( i_data >= 4 )
{
const unsigned int i_peak_size = p_data[3];
const float f_temp = GetWBE( &p_data[1] );
const float f_gain = f_temp / 512.0;
char psz_value[32];
if( i_data < i_peak_size + 4 )
break;
/* only master volume */
if( p_data[0] == 0x01 )
{
snprintf( psz_value, sizeof(psz_value), "%f", f_gain );
if( !strcasecmp( psz_type, "album" ) )
vlc_meta_AddExtra( p_meta, "REPLAYGAIN_ALBUM_GAIN", psz_value );
else
vlc_meta_AddExtra( p_meta, "REPLAYGAIN_TRACK_GAIN", psz_value );
/* XXX I have no idea what peak unit is ... */
}
i_data -= 4+i_peak_size;
}
}
}
/* TODO 'RGAD' if it is used somewhere */
/* T--- Text informations */
for( i = 0; (p_frame = id3_tag_findframe( p_id3_tag, "T", i )) != NULL; i++ )
{
unsigned i_strings;
/* Special case TXXX is not the same beast */
if( ID_IS( "TXXX" ) )
continue;
i_strings = id3_field_getnstrings( &p_frame->fields[1] );
while( i_strings > 0 )
{
char *psz_temp = id3_ucs4_utf8duplicate(
id3_field_getstrings( &p_frame->fields[1], --i_strings ) );
if( ID_IS( ID3_FRAME_GENRE ) )
{
char *psz_endptr;
int i_genre = strtol( psz_temp, &psz_endptr, 10 );
if( psz_temp != psz_endptr &&
i_genre >= 0 && i_genre < NUM_GENRES )
{
vlc_meta_SetGenre( p_meta, ppsz_genres[atoi(psz_temp)]);
}
else
{
/* Unknown genre */
vlc_meta_SetGenre( p_meta,psz_temp );
}
}
else if( ID_IS( ID3_FRAME_TITLE ) )
{
vlc_meta_SetTitle( p_meta, psz_temp );
}
else if( ID_IS( ID3_FRAME_ARTIST ) )
{
vlc_meta_SetArtist( p_meta, psz_temp );
}
else if( ID_IS( ID3_FRAME_YEAR ) )
{
vlc_meta_SetDate( p_meta, psz_temp );
}
else if( ID_IS( ID3_FRAME_COMMENT ) )
{
vlc_meta_SetDescription( p_meta, psz_temp );
}
else if( DESCR_IS( "Copyright" ) )
{
vlc_meta_SetCopyright( p_meta, psz_temp );
}
else if( DESCR_IS( "Publisher" ) )
{
vlc_meta_SetPublisher( p_meta, psz_temp );
}
else if( DESCR_IS( "Track number/position in set" ) )
{
vlc_meta_SetTrackNum( p_meta, psz_temp );
}
else if( DESCR_IS( "Album/movie/show title" ) )
{
vlc_meta_SetAlbum( p_meta, psz_temp );
}
else if( DESCR_IS( "Encoded by" ) )
{
vlc_meta_SetEncodedBy( p_meta, psz_temp );
}
else if( ID_IS ( "APIC" ) )
{
msg_Dbg( p_demux_meta, "** Has APIC **" );
}
else if( p_frame->description )
{
/* Unhandled meta */
vlc_meta_AddExtra( p_meta, (char*)p_frame->description, psz_temp );
}
free( psz_temp );
}
}
id3_tag_delete( p_id3_tag );
#undef GET_STRING
#undef DESCR_IS
#undef ID_IS
}
static void ParseAPEvXTag( demux_meta_t *p_demux_meta, const uint8_t *p_data, int i_data )
{
vlc_meta_t *p_meta;
bool b_start;
bool b_end;
const uint8_t *p_header = NULL;
int i_entry;
if( i_data < APE_TAG_HEADERSIZE )
return;
b_start = !strncmp( (char*)&p_data[0], "APETAGEX", 8 );
b_end = !strncmp( (char*)&p_data[i_data-APE_TAG_HEADERSIZE], "APETAGEX", 8 );
if( !b_end && !b_start )
return;
if( !p_demux_meta->p_meta )
p_demux_meta->p_meta = vlc_meta_New();
p_meta = p_demux_meta->p_meta;
if( b_start )
{
p_header = &p_data[0];
p_data += APE_TAG_HEADERSIZE;
i_data -= APE_TAG_HEADERSIZE;
}
if( b_end )
{
p_header = &p_data[i_data-APE_TAG_HEADERSIZE];
i_data -= APE_TAG_HEADERSIZE;
}
if( i_data <= 0 )
return;
i_entry = GetDWLE( &p_header[8+4+4] );
if( i_entry <= 0 )
return;
while( i_entry > 0 && i_data >= 10 )
{
const int i_size = GetDWLE( &p_data[0] );
const uint32_t flags = GetDWLE( &p_data[4] );
char psz_name[256];
int n;
strlcpy( psz_name, (char*)&p_data[8], sizeof(psz_name) );
n = strlen( psz_name );
if( n <= 0 )
break;
p_data += 8+n+1;
i_data -= 8+n+1;
if( i_data < i_size )
break;
/* Retreive UTF-8 fields only */
if( ((flags>>1) & 0x03) == 0x00 )
{
/* FIXME list are separated by '\0' */
char *psz_value = strndup( (char*)&p_data[0], i_size );
EnsureUTF8( psz_name );
EnsureUTF8( psz_value );
#define IS(s) (!strcasecmp( psz_name, s ) )
if( IS( "Title" ) )
vlc_meta_SetTitle( p_meta, psz_value );
else if( IS( "Artist" ) )
vlc_meta_SetArtist( p_meta, psz_value );
else if( IS( "Album" ) )
vlc_meta_SetAlbum( p_meta, psz_value );
else if( IS( "Publisher" ) )
vlc_meta_SetPublisher( p_meta, psz_value );
else if( IS( "Track" ) )
{
char *p = strchr( psz_value, '/' );
if( p )
*p++ = '\0';
vlc_meta_SetTrackNum( p_meta, psz_value );
}
else if( IS( "Comment" ) )
vlc_meta_SetDescription( p_meta, psz_value );
else if( IS( "Copyright" ) )
vlc_meta_SetCopyright( p_meta, psz_value );
else if( IS( "Year" ) )
vlc_meta_SetDate( p_meta, psz_value );
else if( IS( "Genre" ) )
vlc_meta_SetGenre( p_meta, psz_value );
else if( IS( "Language" ) )
vlc_meta_SetLanguage( p_meta, psz_value );
else
vlc_meta_AddExtra( p_meta, psz_name, psz_value );
#undef IS
free( psz_value );
}
p_data += i_size;
i_data -= i_size;
i_entry--;
}
}
