-
Notifications
You must be signed in to change notification settings - Fork 5k
/
taglib.cpp
1446 lines (1263 loc) · 47.1 KB
/
taglib.cpp
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
/*****************************************************************************
* taglib.cpp: Taglib tag parser/writer
*****************************************************************************
* Copyright (C) 2003-2016 VLC authors and VideoLAN
*
* Authors: Clément Stenac <zorglub@videolan.org>
* Rafaël Carré <funman@videolanorg>
* Rémi Duraffort <ivoire@videolan.org>
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation; either version 2.1 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program; if not, write to the Free Software Foundation,
* Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
*****************************************************************************/
#ifdef HAVE_CONFIG_H
# include "config.h"
#endif
#include <vlc_common.h>
#include <vlc_arrays.h>
#include <vlc_threads.h>
#include <vlc_plugin.h>
#include <vlc_demux.h> /* demux_meta_t */
#include <vlc_strings.h> /* vlc_b64_decode_binary */
#include <vlc_input.h> /* for attachment_new */
#include <vlc_url.h> /* vlc_uri2path */
#include <vlc_mime.h> /* mime type */
#include <vlc_fs.h>
#include <vlc_cxx_helpers.hpp>
#include <sys/stat.h>
#ifdef _WIN32
# include <vlc_charset.h> /* ToWide */
# include <io.h>
#else
# include <unistd.h>
#endif
// Taglib headers
#ifdef _WIN32
# define TAGLIB_STATIC
#endif
#include <taglib.h>
#define VERSION_INT(a, b, c) ((a)<<16 | (b)<<8 | (c))
#define TAGLIB_VERSION VERSION_INT(TAGLIB_MAJOR_VERSION, \
TAGLIB_MINOR_VERSION, \
TAGLIB_PATCH_VERSION)
#include <fileref.h>
#include <tag.h>
#include <tbytevector.h>
/* Support for stream-based metadata */
#include <vlc_access.h>
#include <tiostream.h>
#include <apefile.h>
#include <asffile.h>
#include <apetag.h>
#include <flacfile.h>
#include <mpcfile.h>
#include <mpegfile.h>
#include <mp4file.h>
#include <oggfile.h>
#include <oggflacfile.h>
#include <opusfile.h>
#include "../demux/xiph_metadata.h"
#include <aifffile.h>
#include <wavfile.h>
#include <speexfile.h>
#include <trueaudiofile.h>
#include <vorbisfile.h>
#include <wavpackfile.h>
#include <attachedpictureframe.h>
#include <textidentificationframe.h>
#include <uniquefileidentifierframe.h>
using namespace TagLib;
#include <algorithm>
#include <limits>
#if TAGLIB_VERSION >= VERSION_INT(1, 13, 0)
#define USE_IOSTREAM_RESOLVER 1
#endif
namespace VLCTagLib
{
template <class T>
#ifdef USE_IOSTREAM_RESOLVER
class ExtResolver : public FileRef::StreamTypeResolver
#else
class ExtResolver : public FileRef::FileTypeResolver
#endif
{
public:
ExtResolver(const std::string &);
~ExtResolver() {}
virtual File *createFile(FileName, bool, AudioProperties::ReadStyle) const;
#ifdef USE_IOSTREAM_RESOLVER
virtual File *createFileFromStream(IOStream*, bool, AudioProperties::ReadStyle) const;
#endif
protected:
std::string ext;
};
}
template <class T>
VLCTagLib::ExtResolver<T>::ExtResolver(const std::string & ext)
{
this->ext = ext;
std::transform(this->ext.begin(), this->ext.end(), this->ext.begin(), ::toupper);
}
template <class T>
File *VLCTagLib::ExtResolver<T>::createFile(FileName fileName, bool, AudioProperties::ReadStyle) const
{
#if defined(_WIN32) && TAGLIB_VERSION >= VERSION_INT(2, 0, 0)
std::string filename = fileName.toString().to8Bit(true);
#else
std::string filename = std::string(fileName);
#endif
std::size_t namesize = filename.size();
if (namesize > ext.length())
{
std::string fext = filename.substr(namesize - ext.length(), ext.length());
std::transform(fext.begin(), fext.end(), fext.begin(), ::toupper);
if(fext == ext)
return new T(fileName, false, AudioProperties::Fast);
}
return nullptr;
}
#ifdef USE_IOSTREAM_RESOLVER
template<class T>
File* VLCTagLib::ExtResolver<T>::createFileFromStream(IOStream* s, bool, AudioProperties::ReadStyle) const
{
#if defined(_WIN32) && TAGLIB_VERSION >= VERSION_INT(2, 0, 0)
std::string filename = s->name().toString().to8Bit(true);
#else
std::string filename = std::string(s->name());
#endif
std::size_t namesize = filename.size();
if (namesize > ext.length())
{
std::string fext = filename.substr(namesize - ext.length(), ext.length());
std::transform(fext.begin(), fext.end(), fext.begin(), ::toupper);
if(fext == ext)
return new T(s, ID3v2::FrameFactory::instance(), false, AudioProperties::Fast);
}
return nullptr;
}
#endif
static VLCTagLib::ExtResolver<MPEG::File> aacresolver(".aac");
static bool b_extensions_registered = false;
// taglib is not thread safe
static vlc::threads::mutex taglib_lock;
// Local functions
static int ReadMeta ( vlc_object_t * );
static int WriteMeta ( vlc_object_t * );
vlc_module_begin ()
set_capability( "meta reader", 1000 )
set_callback( ReadMeta )
add_submodule ()
set_capability( "meta writer", 50 )
set_callback( WriteMeta )
vlc_module_end ()
class VlcIostream : public IOStream
{
public:
VlcIostream(stream_t* p_stream)
: m_stream( p_stream )
, m_previousPos( 0 )
, m_borked( false )
, m_seqReadLength( 0 )
, m_seqReadLimit( std::numeric_limits<long>::max() )
{
}
~VlcIostream()
{
vlc_stream_Delete( m_stream );
}
FileName name() const
{
// Taglib only cares about the file name part, so it doesn't matter
// whether we include the mrl scheme or not
return m_stream->psz_url;
}
#if TAGLIB_VERSION >= VERSION_INT(2, 0, 0)
ByteVector readBlock(size_t length)
#else
ByteVector readBlock(ulong length)
#endif
{
if(m_borked || m_seqReadLength >= m_seqReadLimit)
return {};
ByteVector res(length, 0);
ssize_t i_read = vlc_stream_Read( m_stream, res.data(), length);
if (i_read < 0)
return {};
else if ((size_t)i_read != length)
res.resize(i_read);
m_previousPos += i_read;
m_seqReadLength += i_read;
return res;
}
void writeBlock(const ByteVector&)
{
// Let's stay Read-Only for now
}
#if TAGLIB_VERSION >= VERSION_INT(2, 0, 0)
void insert(const ByteVector&, offset_t, size_t)
#else
void insert(const ByteVector&, ulong, ulong)
#endif
{
}
#if TAGLIB_VERSION >= VERSION_INT(2, 0, 0)
void removeBlock(offset_t, size_t)
#else
void removeBlock(ulong, ulong)
#endif
{
}
bool readOnly() const
{
return true;
}
bool isOpen() const
{
return true;
}
void setMaxSequentialRead(long s)
{
m_seqReadLimit = s;
}
#if TAGLIB_VERSION >= VERSION_INT(2, 0, 0)
void seek(offset_t offset, Position p)
#else
void seek(long offset, Position p)
#endif
{
uint64_t pos = 0;
long len;
switch (p)
{
case Current:
pos = m_previousPos;
break;
case End:
len = length();
if(len > -1)
{
pos = len;
}
else
{
m_borked = true;
return;
}
break;
default:
break;
}
m_borked = (vlc_stream_Seek( m_stream, pos + offset ) != 0);
if(!m_borked)
m_previousPos = pos + offset;
m_seqReadLength = 0;
}
void clear()
{
return;
}
#if TAGLIB_VERSION >= VERSION_INT(2, 0, 0)
offset_t tell() const
#else
long tell() const
#endif
{
return m_previousPos;
}
#if TAGLIB_VERSION >= VERSION_INT(2, 0, 0)
offset_t length()
#else
long length()
#endif
{
uint64_t i_size;
if (vlc_stream_GetSize( m_stream, &i_size ) != VLC_SUCCESS)
return -1;
return i_size;
}
#if TAGLIB_VERSION >= VERSION_INT(2, 0, 0)
void truncate(offset_t)
#else
void truncate(long)
#endif
{
}
private:
stream_t* m_stream;
int64_t m_previousPos;
bool m_borked;
long m_seqReadLength;
long m_seqReadLimit;
};
static int ExtractCoupleNumberValues( vlc_meta_t* p_meta, const char *psz_value,
vlc_meta_type_t first, vlc_meta_type_t second)
{
unsigned int i_trknum, i_trktot;
int i_ret = sscanf( psz_value, "%u/%u", &i_trknum, &i_trktot );
char psz_trck[11];
if( i_ret >= 1 )
{
snprintf( psz_trck, sizeof( psz_trck ), "%u", i_trknum );
vlc_meta_Set( p_meta, first, psz_trck );
}
if( i_ret == 2)
{
snprintf( psz_trck, sizeof( psz_trck ), "%u", i_trktot );
vlc_meta_Set( p_meta, second, psz_trck );
}
return i_ret;
}
/**
* Read meta information from APE tags
* @param tag: the APE tag
* @param p_demux_meta: the demuxer meta
* @param p_meta: the meta
*/
static void ReadMetaFromAPE( APE::Tag* tag, demux_meta_t* p_demux_meta, vlc_meta_t* p_meta )
{
APE::ItemListMap fields ( tag->itemListMap() );
APE::ItemListMap::Iterator iter;
iter = fields.find("COVER ART (FRONT)");
if( iter != fields.end()
&& !iter->second.isEmpty()
&& iter->second.type() == APE::Item::Binary)
{
input_attachment_t *p_attachment;
const ByteVector picture = iter->second.binaryData();
const char *p_data = picture.data();
unsigned i_data = picture.size();
/* Null terminated filename followed by the image data */
size_t desc_len = strnlen(p_data, i_data);
if( desc_len < i_data && IsUTF8( p_data ) )
{
const char *psz_name = p_data;
const char *psz_mime = vlc_mime_Ext2Mime( psz_name );
p_data += desc_len + 1; /* '\0' */
i_data -= desc_len + 1;
msg_Dbg( p_demux_meta, "Found embedded art: %s (%s) is %u bytes",
psz_name, psz_mime, i_data );
p_attachment = vlc_input_attachment_New( psz_name, psz_mime,
psz_name, p_data, i_data );
if( p_attachment )
{
TAB_APPEND_CAST( (input_attachment_t**),
p_demux_meta->i_attachments, p_demux_meta->attachments,
p_attachment );
char *psz_url;
if( asprintf( &psz_url, "attachment://%s", p_attachment->psz_name ) != -1 )
{
vlc_meta_SetArtURL( p_meta, psz_url );
free( psz_url );
}
}
}
fields.erase(iter);
}
#define SET( keyName, metaName ) \
iter = fields.find(keyName); \
if( iter != fields.end() && !iter->second.isEmpty() ) { \
vlc_meta_Set##metaName( p_meta, iter->second.toString().toCString( true ) ); \
fields.erase(iter); \
}
#define SET_EXTRA( keyName, metaName ) \
iter = fields.find( keyName ); \
if( iter != fields.end() && !iter->second.isEmpty() ) { \
vlc_meta_SetExtra( p_meta, metaName, iter->second.toString().toCString( true ) ); \
fields.erase(iter); \
}
SET( "ALBUM", Album );
SET( "ARTIST", Artist );
SET( "COMMENT", Description );
SET( "GENRE", Genre );
SET( "TITLE", Title );
SET( "COPYRIGHT", Copyright );
SET( "LANGUAGE", Language );
SET( "PUBLISHER", Publisher );
SET( "MUSICBRAINZ_TRACKID", TrackID );
SET_EXTRA( "MUSICBRAINZ_ALBUMID", VLC_META_EXTRA_MB_ALBUMID );
#undef SET
#undef SET_EXTRA
/* */
iter = fields.find( "TRACK" );
if( iter != fields.end() && !iter->second.isEmpty() )
{
ExtractCoupleNumberValues( p_meta, iter->second.toString().toCString( true ),
vlc_meta_TrackNumber, vlc_meta_TrackTotal );
fields.erase( iter );
}
/* Remainings */
for( iter = fields.begin(); iter != fields.end(); ++iter )
{
if( iter->second.isEmpty() )
continue;
if( iter->second.type() != APE::Item::Text )
continue;
vlc_meta_SetExtra( p_meta,
iter->first.toCString( true ),
iter->second.toString().toCString( true ) );
}
}
/**
* Read meta information from ASF tags
* @param tag: the ASF tag
* @param p_demux_meta: the demuxer meta
* @param p_meta: the meta
*/
static void ReadMetaFromASF( ASF::Tag* tag, demux_meta_t* p_demux_meta, vlc_meta_t* p_meta )
{
ASF::AttributeList list;
#define SET( keyName, metaName ) \
if( tag->attributeListMap().contains(keyName) ) \
{ \
list = tag->attributeListMap()[keyName]; \
vlc_meta_Set##metaName( p_meta, list.front().toString().toCString( true ) ); \
}
#define SET_EXTRA( keyName, metaName ) \
if( tag->attributeListMap().contains(keyName) ) \
{ \
list = tag->attributeListMap()[keyName]; \
vlc_meta_SetExtra( p_meta, metaName, list.front().toString().toCString( true ) ); \
}
SET("MusicBrainz/Track Id", TrackID );
SET_EXTRA("MusicBrainz/Album Id", VLC_META_EXTRA_MB_ALBUMID );
#undef SET
#undef SET_EXTRA
// List the pictures
list = tag->attributeListMap()["WM/Picture"];
ASF::AttributeList::Iterator iter;
for( iter = list.begin(); iter != list.end(); iter++ )
{
const ASF::Picture asfPicture = (*iter).toPicture();
const ByteVector picture = asfPicture.picture();
const char *psz_mime = asfPicture.mimeType().toCString();
const char *p_data = picture.data();
const unsigned i_data = picture.size();
char *psz_name;
input_attachment_t *p_attachment;
if( asfPicture.description().size() > 0 )
psz_name = strdup( asfPicture.description().toCString( true ) );
else
{
if( asprintf( &psz_name, "%i", asfPicture.type() ) == -1 )
psz_name = NULL;
}
if( unlikely(psz_name == NULL) )
continue;
msg_Dbg( p_demux_meta, "Found embedded art: %s (%s) is %u bytes",
psz_name, psz_mime, i_data );
p_attachment = vlc_input_attachment_New( psz_name, psz_mime,
psz_name, p_data, i_data );
if( p_attachment )
TAB_APPEND_CAST( (input_attachment_t**),
p_demux_meta->i_attachments, p_demux_meta->attachments,
p_attachment );
char *psz_url;
if( asprintf( &psz_url, "attachment://%s", psz_name ) != -1 )
{
vlc_meta_SetArtURL( p_meta, psz_url );
free( psz_url );
}
free( psz_name );
}
}
/**
* Fills attachments list from ID3 APIC tags
* @param tag: the APIC tags list
* @param p_demux_meta: the demuxer meta
* @param p_meta: the meta
*/
static void ProcessAPICListFromId3v2( const ID3v2::FrameList &list,
demux_meta_t* p_demux_meta, vlc_meta_t* p_meta )
{
/* Preferred type of image
* The 21 types are defined in id3v2 standard:
* http://www.id3.org/id3v2.4.0-frames */
static const uint8_t scores[] = {
0, /* Other */
5, /* 32x32 PNG image that should be used as the file icon */
4, /* File icon of a different size or format. */
20, /* Front cover image of the album. */
19, /* Back cover image of the album. */
13, /* Inside leaflet page of the album. */
18, /* Image from the album itself. */
17, /* Picture of the lead artist or soloist. */
16, /* Picture of the artist or performer. */
14, /* Picture of the conductor. */
15, /* Picture of the band or orchestra. */
9, /* Picture of the composer. */
8, /* Picture of the lyricist or text writer. */
7, /* Picture of the recording location or studio. */
10, /* Picture of the artists during recording. */
11, /* Picture of the artists during performance. */
6, /* Picture from a movie or video related to the track. */
1, /* Picture of a large, coloured fish. */
12, /* Illustration related to the track. */
3, /* Logo of the band or performer. */
2 /* Logo of the publisher (record company). */
};
const ID3v2::AttachedPictureFrame *defaultPic = nullptr;
for( auto iter = list.begin(); iter != list.end(); ++iter )
{
const ID3v2::AttachedPictureFrame* p =
dynamic_cast<const ID3v2::AttachedPictureFrame*>(*iter);
if( !p )
continue;
if(defaultPic == nullptr)
{
defaultPic = p;
}
else
{
int scorea = defaultPic->type() >= ARRAY_SIZE(scores) ? 0 : scores[defaultPic->type()];
int scoreb = p->type() >= ARRAY_SIZE(scores) ? 0 : scores[p->type()];
if(scoreb > scorea)
defaultPic = p;
}
}
for( auto iter = list.begin(); iter != list.end(); ++iter )
{
const ID3v2::AttachedPictureFrame* p =
dynamic_cast<const ID3v2::AttachedPictureFrame*>(*iter);
if( !p )
continue;
// Get the mime and description of the image.
String description = p->description();
String mimeType = p->mimeType();
/* some old iTunes version not only sets incorrectly the mime type
* or the description of the image,
* but also embeds incorrectly the image.
* Recent versions seem to behave correctly */
if( mimeType == "PNG" || description == "\xC2\x89PNG" )
{
msg_Warn( p_demux_meta, "Invalid picture embedded by broken iTunes version" );
continue;
}
char *psz_name;
if( asprintf( &psz_name, "%i", p_demux_meta->i_attachments ) == -1 )
continue;
input_attachment_t *p_attachment =
vlc_input_attachment_New( psz_name,
mimeType.toCString(),
description.toCString(),
p->picture().data(),
p->picture().size() );
free( psz_name );
if( !p_attachment )
continue;
msg_Dbg( p_demux_meta, "Found embedded art: %s (%zu bytes)",
p_attachment->psz_mime, p_attachment->i_data );
TAB_APPEND_CAST( (input_attachment_t**),
p_demux_meta->i_attachments, p_demux_meta->attachments,
p_attachment );
if( p == defaultPic )
{
char *psz_url;
if( asprintf( &psz_url, "attachment://%s",
p_attachment->psz_name ) == -1 )
continue;
vlc_meta_SetArtURL( p_meta, psz_url );
free( psz_url );
}
}
}
static void ReadMetaFromBasicTag(const Tag* tag, vlc_meta_t *dest)
{
#define SET( accessor, meta ) \
if( !tag->accessor().isEmpty() ) \
vlc_meta_Set##meta( dest, tag->accessor().toCString(true) )
#define SETINT( accessor, meta ) \
if( tag->accessor() ) \
{ \
char tmp[10]; \
snprintf( tmp, 10, "%d", tag->accessor() ); \
vlc_meta_Set##meta( dest, tmp ); \
}
SET( title, Title );
SET( artist, Artist );
SET( album, Album );
SET( comment, Description );
SET( genre, Genre );
SETINT( year, Date );
SETINT( track, TrackNum );
#undef SETINT
#undef SET
}
/**
* Read meta information from id3v2 tags
* @param tag: the id3v2 tag
* @param p_demux_meta: the demuxer meta
* @param p_meta: the meta
*/
static void ReadMetaFromId3v2( ID3v2::Tag* tag, demux_meta_t* p_demux_meta, vlc_meta_t* p_meta )
{
// Get the unique file identifier
ID3v2::FrameList list = tag->frameListMap()["UFID"];
ID3v2::FrameList::Iterator iter;
for( iter = list.begin(); iter != list.end(); iter++ )
{
ID3v2::UniqueFileIdentifierFrame* p_ufid =
dynamic_cast<ID3v2::UniqueFileIdentifierFrame*>(*iter);
if( !p_ufid )
continue;
const char *owner = p_ufid->owner().toCString();
if (!strcmp( owner, "http://musicbrainz.org" ))
{
/* ID3v2 UFID contains up to 64 bytes binary data
* but in our case it will be a '\0'
* terminated string */
char psz_ufid[64];
int max_size = std::min<unsigned>( p_ufid->identifier().size(), 63);
strncpy( psz_ufid, p_ufid->identifier().data(), max_size );
psz_ufid[max_size] = '\0';
vlc_meta_SetTrackID( p_meta, psz_ufid );
}
}
// Get the use text
list = tag->frameListMap()["TXXX"];
for( iter = list.begin(); iter != list.end(); iter++ )
{
ID3v2::UserTextIdentificationFrame* p_txxx =
dynamic_cast<ID3v2::UserTextIdentificationFrame*>(*iter);
if( !p_txxx )
continue;
if( !strcmp( p_txxx->description().toCString( true ), "TRACKTOTAL" ) )
{
vlc_meta_Set( p_meta, vlc_meta_TrackTotal, p_txxx->fieldList().back().toCString( true ) );
continue;
}
if( !strcmp( p_txxx->description().toCString( true ), "MusicBrainz Album Id" ) )
{
vlc_meta_SetExtra( p_meta, VLC_META_EXTRA_MB_ALBUMID, p_txxx->fieldList().back().toCString( true ) );
continue;
}
vlc_meta_SetExtra( p_meta, p_txxx->description().toCString( true ),
p_txxx->fieldList().back().toCString( true ) );
}
// Get some more information
#define SET( tagName, metaName ) \
list = tag->frameListMap()[tagName]; \
if( !list.isEmpty() ) \
vlc_meta_Set##metaName( p_meta, \
(*list.begin())->toString().toCString( true ) );
#define SET_EXTRA( tagName, metaName )\
list = tag->frameListMap()[tagName];\
if( !list.isEmpty() )\
vlc_meta_SetExtra( p_meta, metaName,\
(*list.begin())->toString().toCString( true ) );
SET( "TCOP", Copyright );
SET( "TENC", EncodedBy );
SET( "TLAN", Language );
SET( "TPUB", Publisher );
SET( "TPE2", AlbumArtist );
SET_EXTRA( "USLT", "Lyrics" );
#undef SET_EXTRA
#undef SET
/* */
list = tag->frameListMap()["TRCK"];
if( !list.isEmpty() )
{
ExtractCoupleNumberValues( p_meta, (*list.begin())->toString().toCString( true ),
vlc_meta_TrackNumber, vlc_meta_TrackTotal );
}
/* */
list = tag->frameListMap()["TPOS"];
if( !list.isEmpty() )
{
ExtractCoupleNumberValues( p_meta, (*list.begin())->toString().toCString( true ),
vlc_meta_DiscNumber, vlc_meta_DiscTotal );
}
// Try now to get embedded art
list = tag->frameListMap()[ "APIC" ];
if( !list.isEmpty() )
ProcessAPICListFromId3v2( list, p_demux_meta, p_meta );
}
/**
* Read the meta information from XiphComments
* @param tag: the Xiph Comment
* @param p_demux_meta: the demuxer meta
* @param p_meta: the meta
*/
static void ReadMetaFromXiph( Ogg::XiphComment* tag, demux_meta_t* p_demux_meta, vlc_meta_t* p_meta )
{
bool hasTrackTotal = false;
#define SET( keyName, metaName ) \
{ \
StringList tmp_list { tag->fieldListMap()[keyName] }; \
if( !tmp_list.isEmpty() ) \
vlc_meta_Set##metaName( p_meta, (*tmp_list.begin()).toCString( true ) ); \
}
#define SET_EXTRA( keyName, metaName ) \
{ \
StringList tmp_list = tag->fieldListMap()[keyName]; \
if( !tmp_list.isEmpty() ) \
vlc_meta_SetExtra( p_meta, keyName, (*tmp_list.begin()).toCString( true ) ); \
}
SET( "COPYRIGHT", Copyright );
SET( "ORGANIZATION", Publisher );
SET( "DATE", Date );
SET( "ENCODER", EncodedBy );
SET( "RATING", Rating );
SET( "LANGUAGE", Language );
SET( "MUSICBRAINZ_TRACKID", TrackID );
SET( "ALBUMARTIST", AlbumArtist );
SET( "DISCNUMBER", DiscNumber );
SET_EXTRA( "MUSICBRAINZ_ALBUMID", VLC_META_EXTRA_MB_ALBUMID );
#undef SET
#undef SET_EXTRA
StringList track_number_list = tag->fieldListMap()["TRACKNUMBER"];
if( !track_number_list.isEmpty() )
{
int i_values = ExtractCoupleNumberValues( p_meta, (*track_number_list.begin()).toCString( true ),
vlc_meta_TrackNumber, vlc_meta_TrackTotal );
hasTrackTotal = i_values == 2;
}
if( !hasTrackTotal )
{
StringList track_total_list { tag->fieldListMap()["TRACKTOTAL"] };
if( track_total_list.isEmpty() )
{
StringList total_tracks_list { tag->fieldListMap()["TOTALTRACKS"] };
if( !total_tracks_list.isEmpty() )
vlc_meta_SetTrackTotal( p_meta, (*total_tracks_list.begin()).toCString( true ) );
}
else
{
vlc_meta_SetTrackTotal( p_meta, (*track_total_list.begin()).toCString( true ) );
}
}
// Try now to get embedded art
StringList mime_list { tag->fieldListMap()[ "COVERARTMIME" ] };
StringList art_list { tag->fieldListMap()[ "COVERART" ] };
input_attachment_t *p_attachment;
if( mime_list.size() != 0 && art_list.size() != 0 )
{
// We get only the first cover art
if( mime_list.size() > 1 || art_list.size() > 1 )
msg_Warn( p_demux_meta, "Found %i embedded arts, so using only the first one",
art_list.size() );
const char* psz_name = "cover";
const char* psz_mime = mime_list[0].toCString(true);
const char* psz_description = "cover";
uint8_t *p_data;
int i_data = vlc_b64_decode_binary( &p_data, art_list[0].toCString(false) );
msg_Dbg( p_demux_meta, "Found embedded art: %s (%s) is %i bytes",
psz_name, psz_mime, i_data );
p_attachment = vlc_input_attachment_New( psz_name, psz_mime,
psz_description, p_data, i_data );
free( p_data );
}
else
{
StringList block_picture_list { tag->fieldListMap()[ "METADATA_BLOCK_PICTURE" ] };
if( block_picture_list.size() == 0 )
return;
uint8_t *p_data;
int i_cover_score;
int i_cover_idx;
int i_data = vlc_b64_decode_binary( &p_data, block_picture_list[0].toCString(false) );
i_cover_score = i_cover_idx = 0;
/* TODO: Use i_cover_score / i_cover_idx to select the picture. */
p_attachment = ParseFlacPicture( p_data, i_data, 0,
&i_cover_score, &i_cover_idx );
free( p_data );
}
if (p_attachment) {
TAB_APPEND_CAST( (input_attachment_t**),
p_demux_meta->i_attachments, p_demux_meta->attachments,
p_attachment );
char *psz_url;
if( asprintf( &psz_url, "attachment://%s", p_attachment->psz_name ) != -1 ) {
vlc_meta_SetArtURL( p_meta, psz_url );
free( psz_url );
}
}
}
/**
* Read the meta information from mp4 specific tags
* @param tag: the mp4 tag
* @param p_demux_meta: the demuxer meta
* @param p_meta: the meta
*/
static void ReadMetaFromMP4( MP4::Tag* tag, demux_meta_t *p_demux_meta, vlc_meta_t* p_meta )
{
MP4::Item list;
#define SET( keyName, metaName ) \
if( tag->contains(keyName) ) \
{ \
list = tag->item(keyName); \
vlc_meta_Set##metaName( p_meta, list.toStringList().front().toCString( true ) ); \
}
#define SET_EXTRA( keyName, metaName ) \
if( tag->contains(keyName) ) \
{ \
list = tag->item(keyName); \
vlc_meta_SetExtra( p_meta, metaName, list.toStringList().front().toCString( true ) ); \
}
SET("----:com.apple.iTunes:MusicBrainz Track Id", TrackID );
SET_EXTRA("----:com.apple.iTunes:MusicBrainz Album Id", VLC_META_EXTRA_MB_ALBUMID );
#undef SET
#undef SET_EXTRA
if( tag->contains("covr") )
{
MP4::CoverArtList cover_list = tag->item("covr").toCoverArtList();
const char *psz_format = cover_list[0].format() == MP4::CoverArt::PNG ? "image/png" : "image/jpeg";
msg_Dbg( p_demux_meta, "Found embedded art (%s) is %i bytes",
psz_format, cover_list[0].data().size() );
input_attachment_t *p_attachment =
vlc_input_attachment_New( "cover", psz_format, "cover",
cover_list[0].data().data(), cover_list[0].data().size() );
if( p_attachment )
{
TAB_APPEND_CAST( (input_attachment_t**),
p_demux_meta->i_attachments, p_demux_meta->attachments,
p_attachment );
vlc_meta_SetArtURL( p_meta, "attachment://cover" );
}
}
}
static bool isSchemeCompatible( const char *psz_uri )
{
const char *p = strstr( psz_uri, "://" );
if( p == NULL )
return false;
size_t i_len = p - psz_uri;
const char * compatibleschemes[] =
{
"file", "smb",
};
for( size_t i=0; i<ARRAY_SIZE(compatibleschemes); i++ )
if( !strncasecmp( psz_uri, compatibleschemes[i], i_len ) )
return true;
return false;
}
static int ReadWAVMeta( const RIFF::WAV::File *wav, demux_meta_t *demux_meta )
{
if( !wav->hasID3v2Tag() && !wav->hasInfoTag() )
return VLC_EGENERIC;
demux_meta->p_meta = vlc_meta_New();
if( !demux_meta->p_meta )
return VLC_ENOMEM;
TAB_INIT( demux_meta->i_attachments, demux_meta->attachments );
if( wav->hasInfoTag() )
ReadMetaFromBasicTag( wav->InfoTag(), demux_meta->p_meta );
if( wav->hasID3v2Tag() )
{
// Re-read basic tags from id3 to prioritize it against INFO tags.
ReadMetaFromBasicTag( wav->ID3v2Tag(), demux_meta->p_meta );
ReadMetaFromId3v2( wav->ID3v2Tag(), demux_meta, demux_meta->p_meta );
}
return VLC_SUCCESS;
}
/**
* Get the tags from the file using TagLib
* @param p_this: the demux object
* @return VLC_SUCCESS if the operation success
*/
static int ReadMeta( vlc_object_t* p_this)
{
vlc::threads::mutex_locker locker(taglib_lock);
demux_meta_t* p_demux_meta = (demux_meta_t *)p_this;
vlc_meta_t* p_meta;
p_demux_meta->p_meta = NULL;
char *psz_uri = input_item_GetURI( p_demux_meta->p_item );