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taglib.cpp
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/*****************************************************************************
* taglib.cpp: Taglib tag parser/writer
*****************************************************************************
* Copyright (C) 2003-2016 VLC authors and VideoLAN
* $Id$
*
* Authors: Clément Stenac <[email protected]>
* Rafaël Carré <funman@videolanorg>
* Rémi Duraffort <[email protected]>
*
* 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_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 <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)
#define TAGLIB_VERSION_1_11 VERSION_INT(1,11,0)
#include <fileref.h>
#include <tag.h>
#include <tbytevector.h>
/* Support for stream-based metadata */
#if TAGLIB_VERSION >= TAGLIB_VERSION_1_11
# include <vlc_access.h>
# include <tiostream.h>
#endif
#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>
namespace VLCTagLib
{
template <class T>
class ExtResolver : public FileRef::FileTypeResolver
{
public:
ExtResolver(const std::string &);
~ExtResolver() {}
virtual File *createFile(FileName, bool, AudioProperties::ReadStyle) const;
protected:
std::string ext;
};
}
template <class T>
VLCTagLib::ExtResolver<T>::ExtResolver(const std::string & ext) : FileTypeResolver()
{
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
{
std::string filename = std::string(fileName);
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::ReadStyle::Fast);
}
return 0;
}
#if TAGLIB_VERSION >= TAGLIB_VERSION_1_11
static VLCTagLib::ExtResolver<MPEG::File> aacresolver(".aac");
#endif
static VLCTagLib::ExtResolver<MP4::File> m4vresolver(".m4v");
static bool b_extensions_registered = false;
// taglib is not thread safe
static vlc_mutex_t taglib_lock = VLC_STATIC_MUTEX;
// Local functions
static int ReadMeta ( vlc_object_t * );
static int WriteMeta ( vlc_object_t * );
vlc_module_begin ()
set_capability( "meta reader", 1000 )
set_callbacks( ReadMeta, NULL )
add_submodule ()
set_capability( "meta writer", 50 )
set_callbacks( WriteMeta, NULL )
vlc_module_end ()
#if TAGLIB_VERSION >= TAGLIB_VERSION_1_11
class VlcIostream : public IOStream
{
public:
VlcIostream(stream_t* p_stream)
: m_stream( p_stream )
, m_previousPos( 0 )
{
}
~VlcIostream()
{
vlc_stream_Delete( m_stream );
}
FileName name() const
{
return m_stream->psz_location;
}
ByteVector readBlock(ulong length)
{
ByteVector res(length, 0);
ssize_t i_read = vlc_stream_Read( m_stream, res.data(), length);
if (i_read < 0)
return ByteVector::null;
else if ((size_t)i_read != length)
res.resize(i_read);
return res;
}
void writeBlock(const ByteVector&)
{
// Let's stay Read-Only for now
}
void insert(const ByteVector&, ulong, ulong)
{
}
void removeBlock(ulong, ulong)
{
}
bool readOnly() const
{
return true;
}
bool isOpen() const
{
return true;
}
void seek(long offset, Position p)
{
uint64_t pos = 0;
switch (p)
{
case Current:
pos = m_previousPos;
break;
case End:
pos = length();
break;
default:
break;
}
if (vlc_stream_Seek( m_stream, pos + offset ) == 0)
m_previousPos = pos + offset;
}
void clear()
{
return;
}
long tell() const
{
return m_previousPos;
}
long length()
{
uint64_t i_size;
if (vlc_stream_GetSize( m_stream, &i_size ) != VLC_SUCCESS)
return -1;
return i_size;
}
void truncate(long)
{
}
private:
access_t* m_stream;
int64_t m_previousPos;
};
#endif /* TAGLIB_VERSION_1_11 */
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_AddExtra( 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_AddExtra( 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_AddExtra( 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 );
}
}
/**
* 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 = __MIN( 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_AddExtra( p_meta, VLC_META_EXTRA_MB_ALBUMID, p_txxx->fieldList().back().toCString( true ) );
continue;
}
vlc_meta_AddExtra( 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_AddExtra( 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 );
}
/* Preferred type of image
* The 21 types are defined in id3v2 standard:
* http://www.id3.org/id3v2.4.0-frames */
static const int pi_cover_score[] = {
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). */
};
#define PI_COVER_SCORE_SIZE (sizeof (pi_cover_score) / sizeof (pi_cover_score[0]))
int i_score = -1;
// Try now to get embedded art
list = tag->frameListMap()[ "APIC" ];
if( list.isEmpty() )
return;
for( iter = list.begin(); iter != list.end(); iter++ )
{
ID3v2::AttachedPictureFrame* p_apic =
dynamic_cast<ID3v2::AttachedPictureFrame*>(*iter);
if( !p_apic )
continue;
input_attachment_t *p_attachment;
const char *psz_mime;
char *psz_name, *psz_description;
// Get the mime and description of the image.
// If the description is empty, take the type as a description
psz_mime = p_apic->mimeType().toCString( true );
if( p_apic->description().size() > 0 )
psz_description = strdup( p_apic->description().toCString( true ) );
else
{
if( asprintf( &psz_description, "%i", p_apic->type() ) == -1 )
psz_description = NULL;
}
if( !psz_description )
continue;
psz_name = psz_description;
/* 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( !strncmp( psz_mime, "PNG", 3 ) ||
!strncmp( psz_name, "\xC2\x89PNG", 5 ) )
{
msg_Warn( p_demux_meta, "Invalid picture embedded by broken iTunes version" );
free( psz_description );
continue;
}
const ByteVector picture = p_apic->picture();
const char *p_data = picture.data();
const unsigned i_data = picture.size();
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_description, p_data, i_data );
if( !p_attachment )
{
free( psz_description );
continue;
}
TAB_APPEND_CAST( (input_attachment_t**),
p_demux_meta->i_attachments, p_demux_meta->attachments,
p_attachment );
free( psz_description );
unsigned i_pic_type = p_apic->type();
if( i_pic_type >= PI_COVER_SCORE_SIZE )
i_pic_type = 0; // Defaults to "Other"
if( pi_cover_score[i_pic_type] > i_score )
{
i_score = pi_cover_score[i_pic_type];
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 );
}
}
}
/**
* 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 )
{
StringList list;
bool hasTrackTotal = false;
#define SET( keyName, metaName ) \
list = tag->fieldListMap()[keyName]; \
if( !list.isEmpty() ) \
vlc_meta_Set##metaName( p_meta, (*list.begin()).toCString( true ) );
#define SET_EXTRA( keyName, metaName ) \
list = tag->fieldListMap()[keyName]; \
if( !list.isEmpty() ) \
vlc_meta_AddExtra( p_meta, keyName, (*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
list = tag->fieldListMap()["TRACKNUMBER"];
if( !list.isEmpty() )
{
int i_values = ExtractCoupleNumberValues( p_meta, (*list.begin()).toCString( true ),
vlc_meta_TrackNumber, vlc_meta_TrackTotal );
hasTrackTotal = i_values == 2;
}
if( !hasTrackTotal )
{
list = tag->fieldListMap()["TRACKTOTAL"];
if( list.isEmpty() )
list = tag->fieldListMap()["TOTALTRACKS"];
if( !list.isEmpty() )
vlc_meta_SetTrackTotal( p_meta, (*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 covert 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(true) );
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
{
art_list = tag->fieldListMap()[ "METADATA_BLOCK_PICTURE" ];
if( art_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, art_list[0].toCString(true) );
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->itemListMap().contains(keyName) ) \
{ \
list = tag->itemListMap()[keyName]; \
vlc_meta_Set##metaName( p_meta, list.toStringList().front().toCString( true ) ); \
}
#define SET_EXTRA( keyName, metaName ) \
if( tag->itemListMap().contains(keyName) ) \
{ \
list = tag->itemListMap()[keyName]; \
vlc_meta_AddExtra( 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->itemListMap().contains("covr") )
{
MP4::CoverArtList list = tag->itemListMap()["covr"].toCoverArtList();
const char *psz_format = list[0].format() == MP4::CoverArt::PNG ? "image/png" : "image/jpeg";
msg_Dbg( p_demux_meta, "Found embedded art (%s) is %i bytes",
psz_format, list[0].data().size() );
input_attachment_t *p_attachment =
vlc_input_attachment_New( "cover", psz_format, "cover",
list[0].data().data(), 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" );
}
}
}
/**
* 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_mutex_locker locker (&taglib_lock);
demux_meta_t* p_demux_meta = (demux_meta_t *)p_this;
vlc_meta_t* p_meta;
FileRef f;
p_demux_meta->p_meta = NULL;
char *psz_uri = input_item_GetURI( p_demux_meta->p_item );
if( unlikely(psz_uri == NULL) )
return VLC_ENOMEM;
char *psz_path = vlc_uri2path( psz_uri );
#if VLC_WINSTORE_APP && TAGLIB_VERSION >= TAGLIB_VERSION_1_11
if( psz_path == NULL )
{
free( psz_uri );
return VLC_EGENERIC;
}
free( psz_path );
stream_t *p_stream = vlc_access_NewMRL( p_this, psz_uri );
free( psz_uri );
if( p_stream == NULL )
return VLC_EGENERIC;
VlcIostream s( p_stream );
f = FileRef( &s );
#else /* VLC_WINSTORE_APP */
free( psz_uri );
if( psz_path == NULL )
return VLC_EGENERIC;
if( !b_extensions_registered )
{
#if TAGLIB_VERSION >= TAGLIB_VERSION_1_11
FileRef::addFileTypeResolver( &aacresolver );
#endif
FileRef::addFileTypeResolver( &m4vresolver );
b_extensions_registered = true;
}
#if defined(_WIN32)
wchar_t *wpath = ToWide( psz_path );
if( wpath == NULL )
{
free( psz_path );
return VLC_EGENERIC;
}
f = FileRef( wpath );
free( wpath );
#else
f = FileRef( psz_path );
#endif
free( psz_path );
#endif /* VLC_WINSTORE_APP */
if( f.isNull() )
return VLC_EGENERIC;
if( !f.tag() || f.tag()->isEmpty() )
return VLC_EGENERIC;
p_demux_meta->p_meta = p_meta = vlc_meta_New();
if( !p_meta )
return VLC_ENOMEM;
// Read the tags from the file
Tag* p_tag = f.tag();
#define SET( tag, meta ) \
if( !p_tag->tag().isNull() && !p_tag->tag().isEmpty() ) \
vlc_meta_Set##meta( p_meta, p_tag->tag().toCString(true) )
#define SETINT( tag, meta ) \
if( p_tag->tag() ) \
{ \
char psz_tmp[10]; \
snprintf( psz_tmp, 10, "%d", p_tag->tag() ); \
vlc_meta_Set##meta( p_meta, psz_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
TAB_INIT( p_demux_meta->i_attachments, p_demux_meta->attachments );
if( APE::File* ape = dynamic_cast<APE::File*>(f.file()) )
{
if( ape->APETag() )
ReadMetaFromAPE( ape->APETag(), p_demux_meta, p_meta );
}
else
if( ASF::File* asf = dynamic_cast<ASF::File*>(f.file()) )
{
if( asf->tag() )
ReadMetaFromASF( asf->tag(), p_demux_meta, p_meta );
}
else
if( FLAC::File* flac = dynamic_cast<FLAC::File*>(f.file()) )
{
if( flac->ID3v2Tag() )
ReadMetaFromId3v2( flac->ID3v2Tag(), p_demux_meta, p_meta );
else if( flac->xiphComment() )
ReadMetaFromXiph( flac->xiphComment(), p_demux_meta, p_meta );
}
else if( MP4::File *mp4 = dynamic_cast<MP4::File*>(f.file()) )
{
if( mp4->tag() )
ReadMetaFromMP4( mp4->tag(), p_demux_meta, p_meta );
}
else if( MPC::File* mpc = dynamic_cast<MPC::File*>(f.file()) )
{
if( mpc->APETag() )
ReadMetaFromAPE( mpc->APETag(), p_demux_meta, p_meta );
}
else if( MPEG::File* mpeg = dynamic_cast<MPEG::File*>(f.file()) )
{
if( mpeg->APETag() )
ReadMetaFromAPE( mpeg->APETag(), p_demux_meta, p_meta );
if( mpeg->ID3v2Tag() )
ReadMetaFromId3v2( mpeg->ID3v2Tag(), p_demux_meta, p_meta );
}
else if( dynamic_cast<Ogg::File*>(f.file()) )
{
if( Ogg::FLAC::File* ogg_flac = dynamic_cast<Ogg::FLAC::File*>(f.file()))
ReadMetaFromXiph( ogg_flac->tag(), p_demux_meta, p_meta );
else if( Ogg::Speex::File* ogg_speex = dynamic_cast<Ogg::Speex::File*>(f.file()) )
ReadMetaFromXiph( ogg_speex->tag(), p_demux_meta, p_meta );
else if( Ogg::Vorbis::File* ogg_vorbis = dynamic_cast<Ogg::Vorbis::File*>(f.file()) )
ReadMetaFromXiph( ogg_vorbis->tag(), p_demux_meta, p_meta );
#if defined(TAGLIB_OPUSFILE_H)
else if( Ogg::Opus::File* ogg_opus = dynamic_cast<Ogg::Opus::File*>(f.file()) )
ReadMetaFromXiph( ogg_opus->tag(), p_demux_meta, p_meta );
#endif
}
else if( dynamic_cast<RIFF::File*>(f.file()) )
{
if( RIFF::AIFF::File* riff_aiff = dynamic_cast<RIFF::AIFF::File*>(f.file()) )
ReadMetaFromId3v2( riff_aiff->tag(), p_demux_meta, p_meta );
else if( RIFF::WAV::File* riff_wav = dynamic_cast<RIFF::WAV::File*>(f.file()) )
ReadMetaFromId3v2( riff_wav->tag(), p_demux_meta, p_meta );
}
else if( TrueAudio::File* trueaudio = dynamic_cast<TrueAudio::File*>(f.file()) )
{
if( trueaudio->ID3v2Tag() )
ReadMetaFromId3v2( trueaudio->ID3v2Tag(), p_demux_meta, p_meta );
}
else if( WavPack::File* wavpack = dynamic_cast<WavPack::File*>(f.file()) )
{
if( wavpack->APETag() )
ReadMetaFromAPE( wavpack->APETag(), p_demux_meta, p_meta );
}
return VLC_SUCCESS;
}
/**
* Write meta information to APE tags
* @param tag: the APE tag
* @param p_item: the input item
*/
static void WriteMetaToAPE( APE::Tag* tag, input_item_t* p_item )
{
char* psz_meta;
#define WRITE( metaName, keyName ) \
psz_meta = input_item_Get##metaName( p_item ); \