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Commit e871dbed authored by Rémi Duraffort's avatar Rémi Duraffort
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Taglib: cleaning and better use of the tag library.

parent a7317a9a
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Showing with 174 additions and 165 deletions
modules/meta_engine/taglib.cpp
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/*****************************************************************************
* taglib.cpp: Taglib tag parser/writer
*****************************************************************************
* Copyright (C) 2003-2006 the VideoLAN team
* Copyright (C) 2003-2008 the VideoLAN team
* $Id$
*
* Authors: Clément Stenac <zorglub@videolan.org>
......@@ -41,19 +41,30 @@
#endif
#include <fileref.h>
#include <tag.h>
#include <tstring.h>
#include <id3v2tag.h>
#include <xiphcomment.h>
#include <apetag.h>
#include <flacfile.h>
#include <mpcfile.h>
#include <mpegfile.h>
#include <oggfile.h>
#include <oggflacfile.h>
#include <speexfile.h>
#include <vorbisfile.h>
#include <trueaudiofile.h>
#include <wavpackfile.h>
#include <tstring.h>
#include <textidentificationframe.h>
#include <tbytevector.h>
#include <mpegfile.h>
#include <attachedpictureframe.h>
//#include <oggflacfile.h> /* ogg flac files aren't auto-casted by TagLib */
#include <flacfile.h>
#include <flacproperties.h>
#include <vorbisfile.h>
#include <vorbisproperties.h>
#include <xiphcomment.h>
#include <uniquefileidentifierframe.h>
#include <textidentificationframe.h>
//#include <relativevolumeframe.h> /* parse the tags without TagLib helpers? */
......@@ -75,6 +86,8 @@ vlc_module_end ()
using namespace TagLib;
/* Try detecting embedded art */
static void DetectImage( FileRef f, demux_t *p_demux )
{
......@@ -239,199 +252,195 @@ static void DetectImage( FileRef f, demux_t *p_demux )
#endif
}
static int ReadMeta( vlc_object_t *p_this )
/**
* Read meta informations from APE tags
* @param tag: the APE tag
* @param p_meta: the meta
* @return VLC_SUCCESS if everything goes ok
*/
static int ReadMetaFromAPE( APE::Tag* tag, vlc_meta_t* p_meta )
{
demux_t *p_demux = (demux_t *)p_this;
demux_meta_t *p_demux_meta = (demux_meta_t*)p_demux->p_private;
vlc_meta_t *p_meta;
TagLib::FileRef f;
return VLC_SUCCESS;
}
TAB_INIT( p_demux_meta->i_attachments, p_demux_meta->attachments );
p_demux_meta->p_meta = NULL;
#if defined(WIN32) || defined (UNDER_CE)
if(GetVersion() < 0x80000000)
/**
* read meta information from id3v2 tags
* @param tag: the id3v2 tag
* @param p_meta: the meta
* @return VLC_SUCCESS if everything goes ok
*/
static int ReadMetaFromId2v2( ID3v2::Tag* tag, 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++ )
{
wchar_t wpath[MAX_PATH + 1];
if( !MultiByteToWideChar( CP_UTF8, 0, p_demux->psz_path, -1, wpath, MAX_PATH) )
return VLC_EGENERIC;
ID3v2::UniqueFileIdentifierFrame* p_ufid =
dynamic_cast<ID3v2::UniqueFileIdentifierFrame*>(*iter);
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 j = 0;
while( ( j < 63 ) &&
( j < p_ufid->identifier().size() ) )
psz_ufid[j] = p_ufid->identifier()[j++];
psz_ufid[j] = '\0';
vlc_meta_SetTrackID( p_meta, psz_ufid );
}
}
wpath[MAX_PATH] = L'0';
f = FileRef( wpath );
// 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);
vlc_meta_AddExtra( p_meta, p_txxx->description().toCString( true ),
p_txxx->fieldList().toString().toCString( true ) );
}
else return VLC_EGENERIC;
#else
const char *local_name = ToLocale( p_demux->psz_path );
if( local_name == NULL )
return VLC_EGENERIC;
// Get some more informations
#define SET( tagName, metaName ) \
list = tag->frameListMap()[tagName]; \
if( !list.isEmpty() ) \
vlc_meta_Set##metaName( p_meta, \
(*list.begin())->toString().toCString( true ) );
SET( "TCOP", Copyright );
SET( "TENC", EncodedBy );
SET( "TLAN", Language );
SET( "TPUB", Publisher );
#undef SET
return VLC_SUCCESS;
}
/**
* Read the meta informations from XiphComments
* @param tag: the Xiph Comment
* @param p_meta: the meta
* @return VLC_SUCCESS if everything goes ok
*/
static int ReadMetaFromXiph( Ogg::XiphComment* tag, vlc_meta_t* 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)
{
demux_t* p_demux = (demux_t*)p_this;
demux_meta_t* p_demux_meta = (demux_meta_t*)p_demux->p_private;
vlc_meta_t* p_meta;
TagLib::FileRef f;
p_demux_meta->p_meta = NULL;
const char* local_name = ToLocale( p_demux->psz_path );
if( !local_name )
return VLC_EGENERIC;
f = FileRef( local_name );
LocaleFree( local_name );
#endif
if( f.isNull() )
return VLC_EGENERIC;
if ( !f.tag() || f.tag()->isEmpty() )
if( !f.tag() || f.tag()->isEmpty() )
return VLC_EGENERIC;
p_demux_meta->p_meta = p_meta = vlc_meta_New();
Tag *p_tag = f.tag();
if( !p_meta )
return VLC_ENOMEM;
// Read the tags from the file
Tag* p_tag = f.tag();
#define SET( meta, tag ) \
if( !p_tag->tag().isNull() && !p_tag->tag().isEmpty() ) \
vlc_meta_Set##meta( p_meta, p_tag->tag().toCString(true) )
#define SETINT( meta, tag ) \
if( p_tag->tag() ) \
{ \
char psz_tmp[10]; \
snprintf( psz_tmp, 10, "%d", p_tag->tag() ); \
vlc_meta_Set##meta( p_meta, psz_tmp ); \
}
if( MPEG::File *p_mpeg =
dynamic_cast<MPEG::File *>(f.file() ) )
{
if( p_mpeg->ID3v2Tag() )
{
ID3v2::Tag *p_tag = p_mpeg->ID3v2Tag();
ID3v2::FrameList list = p_tag->frameListMap()["UFID"];
ID3v2::UniqueFileIdentifierFrame* p_ufid;
for( ID3v2::FrameList::Iterator iter = list.begin();
iter != list.end(); iter++ )
{
p_ufid = dynamic_cast<ID3v2::UniqueFileIdentifierFrame*>(*iter);
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 = (char*) malloc( 64 );
int j = 0;
if( psz_ufid )
{
while( ( j < 63 ) &&
( j < p_ufid->identifier().size() ) )
psz_ufid[j] = p_ufid->identifier()[j++];
psz_ufid[j] = '\0';
vlc_meta_SetTrackID( p_meta, psz_ufid );
free( psz_ufid );
}
}
}
SET( Title, title );
SET( Artist, artist );
SET( Album, album );
SET( Description, comment );
SET( Genre, genre );
SETINT( Date, year );
SETINT( Tracknum, track );
list = p_tag->frameListMap()["TXXX"];
ID3v2::UserTextIdentificationFrame* p_txxx;
for( ID3v2::FrameList::Iterator iter = list.begin();
iter != list.end(); iter++ )
{
p_txxx = dynamic_cast<ID3v2::UserTextIdentificationFrame*>(*iter);
const char *psz_desc= p_txxx->description().toCString();
vlc_meta_AddExtra( p_meta, psz_desc,
p_txxx->fieldList().toString().toCString());
}
#if 0
list = p_tag->frameListMap()["RVA2"];
ID3v2::RelativeVolumeFrame* p_rva2;
for( ID3v2::FrameList::Iterator iter = list.begin();
iter != list.end(); iter++ )
{
p_rva2 = dynamic_cast<ID3v2::RelativeVolumeFrame*>(*iter);
/* TODO: process rva2 frames */
}
#endif
list = p_tag->frameList();
ID3v2::Frame* p_t;
char psz_tag[4];
for( ID3v2::FrameList::Iterator iter = list.begin();
iter != list.end(); iter++ )
{
p_t = dynamic_cast<ID3v2::Frame*> (*iter);
memcpy( psz_tag, p_t->frameID().data(), 4);
#define SET( foo, bar ) if( !strncmp( psz_tag, foo, 4 ) ) \
vlc_meta_Set##bar( p_meta, p_t->toString().toCString(true))
SET( "TPUB", Publisher );
SET( "TCOP", Copyright );
SET( "TENC", EncodedBy );
SET( "TLAN", Language );
//SET( "POPM", Rating ); /* rating needs special handling in id3v2 */
//if( !strncmp( psz_tag, "RVA2", 4 ) )
/* TODO */
#undef SETINT
#undef SET
}
}
}
else if( Ogg::Vorbis::File *p_ogg_v =
dynamic_cast<Ogg::Vorbis::File *>(f.file() ) )
{
int i_ogg_v_length = p_ogg_v->audioProperties()->length();
input_thread_t *p_input = (input_thread_t *)
vlc_object_find( p_demux,VLC_OBJECT_INPUT, FIND_PARENT );
if( p_input )
{
input_item_t *p_item = input_GetItem( p_input );
if( p_item )
input_item_SetDuration( p_item,
(mtime_t) i_ogg_v_length * 1000000 );
vlc_object_release( p_input );
}
// Try now to read special tags
if( FLAC::File* flac = dynamic_cast<FLAC::File*>(f.file()) )
{
if( flac->ID3v2Tag() )
ReadMetaFromId2v2( flac->ID3v2Tag(), p_meta );
else if( flac->xiphComment() )
ReadMetaFromXiph( flac->xiphComment(), p_meta );
}
#if 0 /* at this moment, taglib is unable to detect ogg/flac files
* becauses type detection is based on file extension:
* ogg = ogg/vorbis
* flac = flac
* ø = ogg/flac
*/
else if( Ogg::FLAC::File *p_ogg_f =
dynamic_cast<Ogg::FLAC::File *>(f.file() ) )
else if( MPC::File* mpc = dynamic_cast<MPC::File*>(f.file()) )
{
long i_ogg_f_length = p_ogg_f->streamLength();
input_thread_t *p_input = (input_thread_t *)
vlc_object_find( p_demux, VLC_OBJECT_INPUT, FIND_PARENT );
if( p_input )
{
input_item_t *p_item = input_GetItem( p_input );
if( p_item )
input_item_SetDuration( p_item,
(mtime_t) i_ogg_f_length * 1000000 );
vlc_object_release( p_input );
}
if( mpc->APETag() )
ReadMetaFromAPE( mpc->APETag(), p_meta );
}
#endif
else if( FLAC::File *p_flac =
dynamic_cast<FLAC::File *>(f.file() ) )
else if( MPEG::File* mpeg = dynamic_cast<MPEG::File*>(f.file()) )
{
long i_flac_length = p_flac->audioProperties()->length();
input_thread_t *p_input = (input_thread_t *)
vlc_object_find( p_demux, VLC_OBJECT_INPUT, FIND_PARENT );
if( p_input )
{
input_item_t *p_item = input_GetItem( p_input );
if( p_item )
input_item_SetDuration( p_item,
(mtime_t) i_flac_length * 1000000 );
vlc_object_release( p_input );
}
if( mpeg->ID3v2Tag() )
ReadMetaFromId2v2( mpeg->ID3v2Tag(), p_meta );
else if( mpeg->APETag() )
ReadMetaFromAPE( mpeg->APETag(), p_meta );
}
#define SET( foo, bar ) if( !p_tag->bar ().isNull() && !p_tag->bar ().isEmpty() ) \
vlc_meta_Set##foo( p_meta, p_tag->bar ().toCString(true))
#define SETINT( foo, bar ) { \
char psz_tmp[10]; \
snprintf( (char*)psz_tmp, 10, "%d", p_tag->bar() ); \
vlc_meta_Set##foo( p_meta, (char*)psz_tmp ); \
else if( Ogg::File* ogg = dynamic_cast<Ogg::File*>(f.file()) )
{
if( Ogg::FLAC::File* ogg_flac = dynamic_cast<Ogg::FLAC::File*>(f.file()))
ReadMetaFromXiph( ogg_flac->tag(), p_meta );
else if( Ogg::Speex::File* ogg_speex = dynamic_cast<Ogg::Speex::File*>(f.file()) )
ReadMetaFromXiph( ogg_speex->tag(), p_meta );
else if( Ogg::Vorbis::File* ogg_vorbis = dynamic_cast<Ogg::Vorbis::File*>(f.file()) )
ReadMetaFromXiph( ogg_vorbis->tag(), p_meta );
}
else if( TrueAudio::File* trueaudio = dynamic_cast<TrueAudio::File*>(f.file()) )
{
if( trueaudio->ID3v2Tag() )
ReadMetaFromId2v2( trueaudio->ID3v2Tag(), p_meta );
}
else if( WavPack::File* wavpack = dynamic_cast<WavPack::File*>(f.file()) )
{
if( wavpack->APETag() )
ReadMetaFromAPE( wavpack->APETag(), p_meta );
}
SET( Title, title );
SET( Artist, artist );
SET( Album, album );
SET( Description, comment );
SET( Genre, genre );
SETINT( Date, year );
SETINT( Tracknum , track );
#undef SET
#undef SETINT
// Try now to find a image
DetectImage( f, p_demux );
return VLC_SUCCESS;
}
static int WriteMeta( vlc_object_t *p_this )
{
playlist_t *p_playlist = (playlist_t *)p_this;
......
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