taglib.cpp
资源名称:vlc-1.0.5.zip [点击查看]
上传用户:kjfoods
上传日期:2020-07-06
资源大小:29949k
文件大小:22k
源码类别:
midi
开发平台:
Unix_Linux
- /*****************************************************************************
- * taglib.cpp: Taglib tag parser/writer
- *****************************************************************************
- * Copyright (C) 2003-2009 the VideoLAN team
- * $Id: 43ac6974601bcc17d14532159eae7902e7411f9c $
- *
- * 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 General Public License as published by
- * the Free Software Foundation; either version 2 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 General Public License for more details.
- *
- * You should have received a copy of the GNU 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_playlist.h>
- #include <vlc_meta.h>
- #include <vlc_demux.h>
- #include <vlc_strings.h>
- #include <vlc_charset.h>
- #ifdef WIN32
- # include <io.h>
- #else
- # include <unistd.h>
- #endif
- // Taglib headers
- #include <fileref.h>
- #include <tag.h>
- #include <tbytevector.h>
- #include <apetag.h>
- #include <id3v2tag.h>
- #include <xiphcomment.h>
- #include <flacfile.h>
- #include <mpcfile.h>
- #include <mpegfile.h>
- #include <oggfile.h>
- #include <oggflacfile.h>
- #include <speexfile.h>
- #include <trueaudiofile.h>
- #include <vorbisfile.h>
- #include <wavpackfile.h>
- #include <attachedpictureframe.h>
- #include <textidentificationframe.h>
- #include <uniquefileidentifierframe.h>
- // 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 ()
- using namespace TagLib;
- /**
- * Read meta informations from APE tags
- * @param tag: the APE tag
- * @param p_demux; the demux object
- * @param p_demux_meta: the demuxer meta
- * @param p_meta: the meta
- */
- static void ReadMetaFromAPE( APE::Tag* tag, demux_t* p_demux, demux_meta_t* p_demux_meta, vlc_meta_t* p_meta )
- {
- APE::Item item;
- #define SET( keyName, metaName )
- item = tag->itemListMap()[keyName];
- vlc_meta_Set##metaName( p_meta, item.toString().toCString( true ) );
- SET( "COPYRIGHT", Copyright );
- SET( "LANGUAGE", Language );
- SET( "PUBLISHER", Publisher );
- #undef SET
- }
- /**
- * Read meta information from id3v2 tags
- * @param tag: the id3v2 tag
- * @param p_demux; the demux object
- * @param p_demux_meta: the demuxer meta
- * @param p_meta: the meta
- */
- static void ReadMetaFromId3v2( ID3v2::Tag* tag, demux_t* p_demux, 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);
- 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 ' '
- * 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] = ' ';
- 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);
- vlc_meta_AddExtra( p_meta, p_txxx->description().toCString( true ),
- p_txxx->fieldList().toString().toCString( true ) );
- }
- // 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
- /* 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). */
- };
- int i_score = -1;
- // Try now to get embedded art
- list = tag->frameListMap()[ "APIC" ];
- if( list.isEmpty() )
- return;
- TAB_INIT( p_demux_meta->i_attachments, p_demux_meta->attachments );
- for( iter = list.begin(); iter != list.end(); iter++ )
- {
- ID3v2::AttachedPictureFrame* p_apic =
- dynamic_cast<ID3v2::AttachedPictureFrame*>(*iter);
- 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, "xC2x89PNG", 5 ) )
- {
- msg_Warn( p_demux, "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, "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 )
- TAB_APPEND_CAST( (input_attachment_t**),
- p_demux_meta->i_attachments, p_demux_meta->attachments,
- p_attachment );
- free( psz_description );
- if( pi_cover_score[p_apic->type()] > i_score )
- {
- i_score = pi_cover_score[p_apic->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 informations from XiphComments
- * @param tag: the Xiph Comment
- * @param p_demux; the demux object
- * @param p_demux_meta: the demuxer meta
- * @param p_meta: the meta
- */
- static void ReadMetaFromXiph( Ogg::XiphComment* tag, demux_t* p_demux, demux_meta_t* p_demux_meta, vlc_meta_t* p_meta )
- {
- #define SET( keyName, metaName )
- StringList list = tag->fieldListMap()[keyName];
- if( !list.isEmpty() )
- vlc_meta_Set##metaName( p_meta, (*list.begin()).toCString( true ) );
- SET( "COPYRIGHT", Copyright );
- #undef SET
- // Try now to get embedded art
- StringList mime_list = tag->fieldListMap()[ "COVERARTMIME" ];
- StringList art_list = tag->fieldListMap()[ "COVERART" ];
- // We get only the first covert art
- if( mime_list.size() > 1 || art_list.size() > 1 )
- msg_Warn( p_demux, "Found %i embedded arts, so using only the first one",
- art_list.size() );
- else if( mime_list.size() == 0 || art_list.size() == 0 )
- return;
- input_attachment_t *p_attachment;
- 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, "Found embedded art: %s (%s) is %i bytes",
- psz_name, psz_mime, i_data );
- TAB_INIT( p_demux_meta->i_attachments, p_demux_meta->attachments );
- p_attachment = vlc_input_attachment_New( psz_name, psz_mime,
- psz_description, p_data, i_data );
- free( p_data );
- 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)
- {
- 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;
- FileRef f;
- p_demux_meta->p_meta = NULL;
- #if defined(WIN32) || defined (UNDER_CE)
- if(GetVersion() < 0x80000000)
- {
- wchar_t wpath[MAX_PATH + 1];
- if( !MultiByteToWideChar( CP_UTF8, 0, p_demux->psz_path, -1, wpath, MAX_PATH) )
- return VLC_EGENERIC;
- wpath[MAX_PATH] = L' ';
- f = FileRef( wpath );
- }
- else
- return VLC_EGENERIC;
- #else
- 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() )
- 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
- // Try now to read special tags
- if( FLAC::File* flac = dynamic_cast<FLAC::File*>(f.file()) )
- {
- if( flac->ID3v2Tag() )
- ReadMetaFromId3v2( flac->ID3v2Tag(), p_demux, p_demux_meta, p_meta );
- else if( flac->xiphComment() )
- ReadMetaFromXiph( flac->xiphComment(), p_demux, p_demux_meta, p_meta );
- }
- else if( MPC::File* mpc = dynamic_cast<MPC::File*>(f.file()) )
- {
- if( mpc->APETag() )
- ReadMetaFromAPE( mpc->APETag(), p_demux, p_demux_meta, p_meta );
- }
- else if( MPEG::File* mpeg = dynamic_cast<MPEG::File*>(f.file()) )
- {
- if( mpeg->ID3v2Tag() )
- ReadMetaFromId3v2( mpeg->ID3v2Tag(), p_demux, p_demux_meta, p_meta );
- else if( mpeg->APETag() )
- ReadMetaFromAPE( mpeg->APETag(), p_demux, p_demux_meta, p_meta );
- }
- 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_demux, 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, 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, p_demux_meta, p_meta );
- }
- else if( TrueAudio::File* trueaudio = dynamic_cast<TrueAudio::File*>(f.file()) )
- {
- if( trueaudio->ID3v2Tag() )
- ReadMetaFromId3v2( trueaudio->ID3v2Tag(), p_demux, p_demux_meta, p_meta );
- }
- else if( WavPack::File* wavpack = dynamic_cast<WavPack::File*>(f.file()) )
- {
- if( wavpack->APETag() )
- ReadMetaFromAPE( wavpack->APETag(), p_demux, p_demux_meta, p_meta );
- }
- return VLC_SUCCESS;
- }
- /**
- * Write meta informations 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 );
- if( psz_meta )
- {
- String key( keyName, String::UTF8 );
- String value( psz_meta, String::UTF8 );
- tag->addValue( key, value, true );
- }
- free( psz_meta );
- WRITE( Copyright, "COPYRIGHT" );
- WRITE( Language, "LANGUAGE" );
- WRITE( Publisher, "PUBLISHER" );
- #undef WRITE
- }
- /**
- * Write meta information to id3v2 tags
- * @param tag: the id3v2 tag
- * @param p_input: the input item
- */
- static void WriteMetaToId3v2( ID3v2::Tag* tag, input_item_t* p_item )
- {
- char* psz_meta;
- #define WRITE( metaName, tagName )
- psz_meta = input_item_Get##metaName( p_item );
- if( psz_meta )
- {
- ByteVector p_byte( tagName, 4 );
- tag->removeFrames( p_byte );
- ID3v2::TextIdentificationFrame* p_frame =
- new ID3v2::TextIdentificationFrame( p_byte, String::UTF8 );
- p_frame->setText( psz_meta );
- tag->addFrame( p_frame );
- }
- free( psz_meta );
- WRITE( Copyright, "TCOP" );
- WRITE( EncodedBy, "TENC" );
- WRITE( Language, "TLAN" );
- WRITE( Publisher, "TPUB" );
- #undef WRITE
- }
- /**
- * Write the meta informations to XiphComments
- * @param tag: the Xiph Comment
- * @param p_input: the input item
- */
- static void WriteMetaToXiph( Ogg::XiphComment* tag, input_item_t* p_item )
- {
- char* psz_meta;
- #define WRITE( metaName, keyName )
- psz_meta = input_item_Get##metaName( p_item );
- if( psz_meta )
- {
- String key( keyName, String::UTF8 );
- String value( psz_meta, String::UTF8 );
- tag->addField( key, value, true );
- }
- free( psz_meta );
- WRITE( Copyright, "COPYRIGHT" );
- #undef WRITE
- }
- /**
- * Set the tags to the file using TagLib
- * @param p_this: the demux object
- * @return VLC_SUCCESS if the operation success
- */
- static int WriteMeta( vlc_object_t *p_this )
- {
- playlist_t *p_playlist = (playlist_t *)p_this;
- meta_export_t *p_export = (meta_export_t *)p_playlist->p_private;
- input_item_t *p_item = p_export->p_item;
- FileRef f;
- if( !p_item )
- {
- msg_Err( p_this, "Can't save meta data of an empty input" );
- return VLC_EGENERIC;
- }
- #if defined(WIN32) || defined (UNDER_CE)
- if(GetVersion() < 0x80000000)
- {
- wchar_t wpath[MAX_PATH + 1];
- if( !MultiByteToWideChar( CP_UTF8, 0, p_export->psz_file, -1, wpath, MAX_PATH) )
- return VLC_EGENERIC;
- wpath[MAX_PATH] = L' ';
- f = FileRef( wpath );
- }
- else
- return VLC_EGENERIC;
- #else
- const char* local_name = ToLocale( p_export->psz_file );
- if( !local_name )
- return VLC_EGENERIC;
- f = FileRef( local_name );
- LocaleFree( local_name );
- #endif
- if( f.isNull() || !f.tag() || f.file()->readOnly() )
- {
- msg_Err( p_this, "File %s can't be opened for tag writing",
- p_export->psz_file );
- return VLC_EGENERIC;
- }
- msg_Dbg( p_this, "Writing metadata for %s", p_export->psz_file );
- Tag *p_tag = f.tag();
- char *psz_meta;
- #define SET( a, b )
- if( b )
- {
- String* psz_tmp = new String( b, String::UTF8 );
- p_tag->set##a( *psz_tmp );
- delete psz_tmp;
- }
- // Saving all common fields
- // If the title is empty, use the name
- psz_meta = input_item_GetTitleFbName( p_item );
- SET( Title, psz_meta );
- free( psz_meta );
- psz_meta = input_item_GetArtist( p_item );
- SET( Artist, psz_meta );
- free( psz_meta );
- psz_meta = input_item_GetAlbum( p_item );
- SET( Album, psz_meta );
- free( psz_meta );
- psz_meta = input_item_GetDescription( p_item );
- SET( Comment, psz_meta );
- free( psz_meta );
- psz_meta = input_item_GetGenre( p_item );
- SET( Genre, psz_meta );
- free( psz_meta );
- #undef SET
- psz_meta = input_item_GetDate( p_item );
- if( psz_meta ) p_tag->setYear( atoi( psz_meta ) );
- free( psz_meta );
- psz_meta = input_item_GetTrackNum( p_item );
- if( psz_meta ) p_tag->setTrack( atoi( psz_meta ) );
- free( psz_meta );
- // Try now to write special tags
- if( FLAC::File* flac = dynamic_cast<FLAC::File*>(f.file()) )
- {
- if( flac->ID3v2Tag() )
- WriteMetaToId3v2( flac->ID3v2Tag(), p_item );
- else if( flac->xiphComment() )
- WriteMetaToXiph( flac->xiphComment(), p_item );
- }
- else if( MPC::File* mpc = dynamic_cast<MPC::File*>(f.file()) )
- {
- if( mpc->APETag() )
- WriteMetaToAPE( mpc->APETag(), p_item );
- }
- else if( MPEG::File* mpeg = dynamic_cast<MPEG::File*>(f.file()) )
- {
- if( mpeg->ID3v2Tag() )
- WriteMetaToId3v2( mpeg->ID3v2Tag(), p_item );
- else if( mpeg->APETag() )
- WriteMetaToAPE( mpeg->APETag(), p_item );
- }
- else if( Ogg::File* ogg = dynamic_cast<Ogg::File*>(f.file()) )
- {
- if( Ogg::FLAC::File* ogg_flac = dynamic_cast<Ogg::FLAC::File*>(f.file()))
- WriteMetaToXiph( ogg_flac->tag(), p_item );
- else if( Ogg::Speex::File* ogg_speex = dynamic_cast<Ogg::Speex::File*>(f.file()) )
- WriteMetaToXiph( ogg_speex->tag(), p_item );
- else if( Ogg::Vorbis::File* ogg_vorbis = dynamic_cast<Ogg::Vorbis::File*>(f.file()) )
- WriteMetaToXiph( ogg_vorbis->tag(), p_item );
- }
- else if( TrueAudio::File* trueaudio = dynamic_cast<TrueAudio::File*>(f.file()) )
- {
- if( trueaudio->ID3v2Tag() )
- WriteMetaToId3v2( trueaudio->ID3v2Tag(), p_item );
- }
- else if( WavPack::File* wavpack = dynamic_cast<WavPack::File*>(f.file()) )
- {
- if( wavpack->APETag() )
- WriteMetaToAPE( wavpack->APETag(), p_item );
- }
- // Save the meta data
- f.save();
- return VLC_SUCCESS;
- }