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author | Warren Dukes <warren.dukes@gmail.com> | 2004-02-23 23:41:20 +0000 |
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committer | Warren Dukes <warren.dukes@gmail.com> | 2004-02-23 23:41:20 +0000 |
commit | d35747a40c7dea12de95f78a4f283a45ef687597 (patch) | |
tree | 3a85f138e68c7ef3e5a9ece863ed7266ad1cd7ce /src/tag.c | |
download | mpd-d35747a40c7dea12de95f78a4f283a45ef687597.tar.gz mpd-d35747a40c7dea12de95f78a4f283a45ef687597.tar.xz mpd-d35747a40c7dea12de95f78a4f283a45ef687597.zip |
import from SF CVS
git-svn-id: https://svn.musicpd.org/mpd/trunk@1 09075e82-0dd4-0310-85a5-a0d7c8717e4f
Diffstat (limited to '')
-rw-r--r-- | src/tag.c | 368 |
1 files changed, 368 insertions, 0 deletions
diff --git a/src/tag.c b/src/tag.c new file mode 100644 index 000000000..2dd7a3c5b --- /dev/null +++ b/src/tag.c @@ -0,0 +1,368 @@ +/* the Music Player Daemon (MPD) + * (c)2003-2004 by Warren Dukes (shank@mercury.chem.pitt.edu + * This project's homepage is: http://www.musicpd.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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ + +#include "tag.h" +#include "path.h" +#include "myfprintf.h" +#include "sig_handlers.h" +#include "mp3_decode.h" +#include "audiofile_decode.h" + +#include <sys/stat.h> +#include <stdlib.h> +#include <string.h> +#include <stdio.h> +#include <assert.h> +#include <errno.h> +#ifdef HAVE_OGG +#include <vorbis/vorbisfile.h> +#endif +#ifdef HAVE_FLAC +#include <FLAC/file_decoder.h> +#include <FLAC/metadata.h> +#endif +#ifdef HAVE_ID3TAG +#ifdef USE_MPD_ID3TAG +#include "libid3tag/id3tag.h" +#else +#include <id3tag.h> +#endif +#endif + +void printMpdTag(FILE * fp, MpdTag * tag) { + if(tag->artist) myfprintf(fp,"Artist: %s\n",tag->artist); + if(tag->album) myfprintf(fp,"Album: %s\n",tag->album); + if(tag->track) myfprintf(fp,"Track: %s\n",tag->track); + if(tag->title) myfprintf(fp,"Title: %s\n",tag->title); + if(tag->time>=0) myfprintf(fp,"Time: %i\n",tag->time); +} + +#ifdef HAVE_ID3TAG +char * getID3Info(struct id3_tag * tag, char * id) { + struct id3_frame const * frame; + id3_ucs4_t const * ucs4; + id3_utf8_t * utf8; + union id3_field const * field; + unsigned int nstrings; + + frame = id3_tag_findframe(tag, id, 0); + if(!frame) return NULL; + + field = &frame->fields[1]; + nstrings = id3_field_getnstrings(field); + if(nstrings<1) return NULL; + + ucs4 = id3_field_getstrings(field,0); + assert(ucs4); + + utf8 = id3_ucs4_utf8duplicate(ucs4); + if(!utf8) return NULL; + + return utf8; +} +#endif + +MpdTag * id3Dup(char * utf8filename) { + MpdTag * ret = NULL; +#ifdef HAVE_ID3TAG + struct id3_file * file; + struct id3_tag * tag; + char * str; + + blockSignals(); + file = id3_file_open(rmp2amp(utf8ToFsCharset(utf8filename)), + ID3_FILE_MODE_READONLY); + if(!file) { + unblockSignals(); + return NULL; + } + + tag = id3_file_tag(file); + if(!tag) { + id3_file_close(file); + unblockSignals(); + return NULL; + } + + str = getID3Info(tag,ID3_FRAME_ARTIST); + if(str) { + if(!ret) ret = newMpdTag(); + ret->artist = str; + } + + str = getID3Info(tag,ID3_FRAME_TITLE); + if(str) { + if(!ret) ret = newMpdTag(); + ret->title = str; + } + + str = getID3Info(tag,ID3_FRAME_ALBUM); + if(str) { + if(!ret) ret = newMpdTag(); + ret->album = str; + } + + str = getID3Info(tag,ID3_FRAME_TRACK); + if(str) { + if(!ret) ret = newMpdTag(); + ret->track = str; + } + + id3_file_close(file); + + unblockSignals(); +#endif + return ret; +} + +#ifdef HAVE_AUDIOFILE +MpdTag * audiofileTagDup(char * utf8file) { + MpdTag * ret = NULL; + int time = getAudiofileTotalTime(rmp2amp(utf8ToFsCharset(utf8file))); + + if (time>=0) { + if(!ret) ret = newMpdTag(); + ret->time = time; + } + + return ret; +} +#endif + +#ifdef HAVE_MAD +MpdTag * mp3TagDup(char * utf8file) { + MpdTag * ret = NULL; + int time; + + ret = id3Dup(utf8file); + + time = getMp3TotalTime(rmp2amp(utf8ToFsCharset(utf8file))); + + if(time>=0) { + if(!ret) ret = newMpdTag(); + ret->time = time; + } + + return ret; +} +#endif + +#ifdef HAVE_OGG +MpdTag * oggTagDup(char * utf8file) { + MpdTag * ret = NULL; + FILE * fp; + OggVorbis_File vf; + char ** comments; + char * temp; + char * s1; + char * s2; + + while(!(fp = fopen(rmp2amp(utf8ToFsCharset(utf8file)),"r")) + && errno==EINTR); + if(!fp) return NULL; + blockSignals(); + if(ov_open(fp,&vf,NULL,0)<0) { + unblockSignals(); + while(fclose(fp) && errno==EINTR); + return NULL; + } + + ret = newMpdTag(); + ret->time = (int)(ov_time_total(&vf,-1)+0.5); + + comments = ov_comment(&vf,-1)->user_comments; + + while(*comments) { + temp = strdup(*comments); + ++comments; + if(!(s1 = strtok(temp,"="))) continue; + s2 = strtok(NULL,""); + if(!s1 || !s2); + else if(0==strcasecmp(s1,"artist")) { + if(!ret->artist) { + ret->artist = strdup(s2); + } + } + else if(0==strcasecmp(s1,"title")) { + if(!ret->title) { + ret->title = strdup(s2); + } + } + else if(0==strcasecmp(s1,"album")) { + if(!ret->album) { + ret->album = strdup(s2); + } + } + else if(0==strcasecmp(s1,"tracknumber")) { + if(!ret->track) { + ret->track = strdup(s2); + } + } + free(temp); + } + + ov_clear(&vf); + + unblockSignals(); + return ret; +} +#endif + +#ifdef HAVE_FLAC +MpdTag * flacMetadataDup(char * file, int * vorbisCommentFound) { + MpdTag * ret = NULL; + FLAC__Metadata_SimpleIterator * it; + FLAC__StreamMetadata * block = NULL; + int offset; + int len, pos; + + *vorbisCommentFound = 0; + + blockSignals(); + it = FLAC__metadata_simple_iterator_new(); + if(!FLAC__metadata_simple_iterator_init(it,rmp2amp(file),1,0)) { + FLAC__metadata_simple_iterator_delete(it); + unblockSignals(); + return ret; + } + + do { + block = FLAC__metadata_simple_iterator_get_block(it); + if(!block) break; + if(block->type == FLAC__METADATA_TYPE_VORBIS_COMMENT) { + char * dup; + + offset = FLAC__metadata_object_vorbiscomment_find_entry_from(block,0,"artist"); + if(offset>=0) { + *vorbisCommentFound = 1; + if(!ret) ret = newMpdTag(); + pos = strlen("artist="); + len = block->data.vorbis_comment.comments[offset].length-pos; + if(len>0) { + dup = malloc(len+1); + memcpy(dup,&(block->data.vorbis_comment.comments[offset].entry[pos]),len); + dup[len] = '\0'; + ret->artist = dup; + } + } + offset = FLAC__metadata_object_vorbiscomment_find_entry_from(block,0,"album"); + if(offset>=0) { + *vorbisCommentFound = 1; + if(!ret) ret = newMpdTag(); + pos = strlen("album="); + len = block->data.vorbis_comment.comments[offset].length-pos; + if(len>0) { + dup = malloc(len+1); + memcpy(dup,&(block->data.vorbis_comment.comments[offset].entry[pos]),len); + dup[len] = '\0'; + ret->album = dup; + } + } + offset = FLAC__metadata_object_vorbiscomment_find_entry_from(block,0,"title"); + if(offset>=0) { + *vorbisCommentFound = 1; + if(!ret) ret = newMpdTag(); + pos = strlen("title="); + len = block->data.vorbis_comment.comments[offset].length-pos; + if(len>0) { + dup = malloc(len+1); + memcpy(dup,&(block->data.vorbis_comment.comments[offset].entry[pos]),len); + dup[len] = '\0'; + ret->title = dup; + } + } + offset = FLAC__metadata_object_vorbiscomment_find_entry_from(block,0,"tracknumber"); + if(offset>=0) { + *vorbisCommentFound = 1; + if(!ret) ret = newMpdTag(); + pos = strlen("tracknumber="); + len = block->data.vorbis_comment.comments[offset].length-pos; + if(len>0) { + dup = malloc(len+1); + memcpy(dup,&(block->data.vorbis_comment.comments[offset].entry[pos]),len); + dup[len] = '\0'; + ret->track = dup; + } + } + } + else if(block->type == FLAC__METADATA_TYPE_STREAMINFO) { + if(!ret) ret = newMpdTag(); + ret->time = ((float)block->data.stream_info. + total_samples) / + block->data.stream_info.sample_rate + + 0.5; + } + FLAC__metadata_object_delete(block); + } while(FLAC__metadata_simple_iterator_next(it)); + + FLAC__metadata_simple_iterator_delete(it); + unblockSignals(); + return ret; +} + +MpdTag * flacTagDup(char * file) { + MpdTag * ret = NULL; + int foundVorbisComment = 0; + + ret = flacMetadataDup(file,&foundVorbisComment); + if(!ret) return NULL; + if(!foundVorbisComment) { + MpdTag * temp = id3Dup(file); + if(temp) { + temp->time = ret->time; + freeMpdTag(ret); + ret = temp; + } + } + + return ret; +} +#endif + +MpdTag * newMpdTag() { + MpdTag * ret = malloc(sizeof(MpdTag)); + ret->album = NULL; + ret->artist = NULL; + ret->title = NULL; + ret->track = NULL; + ret->time = -1; + return ret; +} + +void freeMpdTag(MpdTag * tag) { + if(tag->artist) free(tag->artist); + if(tag->album) free(tag->album); + if(tag->title) free(tag->title); + if(tag->track) free(tag->track); + free(tag); +} + +MpdTag * mpdTagDup(MpdTag * tag) { + MpdTag * ret = NULL; + + if(tag) { + ret = newMpdTag(); + ret->artist = strdup(tag->artist); + ret->album = strdup(tag->album); + ret->title = strdup(tag->title); + ret->track = strdup(tag->track); + ret->time = tag->time; + } + + return ret; +} |