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-rw-r--r--src/song.c231
1 files changed, 231 insertions, 0 deletions
diff --git a/src/song.c b/src/song.c
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+/* 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 "song.h"
+#include "ls.h"
+#include "directory.h"
+#include "tables.h"
+#include "utils.h"
+#include "tag.h"
+#include "log.h"
+
+#define SONG_KEY "key: "
+#define SONG_FILE "file: "
+#define SONG_ARTIST "Artist: "
+#define SONG_ALBUM "Album: "
+#define SONG_TRACK "Track: "
+#define SONG_TITLE "Title: "
+#define SONG_TIME "Time: "
+#define SONG_MTIME "mtime: "
+
+#include <stdlib.h>
+#include <string.h>
+
+Song * newSong(char * utf8file) {
+ Song * song = malloc(sizeof(Song));
+
+ song->utf8file = strdup(utf8file);
+#ifdef HAVE_OGG
+ if((song->mtime = isOgg(utf8file))) {
+ song->tag = oggTagDup(utf8file);
+ return song;
+ }
+#endif
+#ifdef HAVE_FLAC
+ if((song->mtime = isFlac(utf8file))) {
+ song->tag = flacTagDup(utf8file);
+ return song;
+ }
+#endif
+#ifdef HAVE_MAD
+ if((song->mtime = isMp3(utf8file))) {
+ song->tag = mp3TagDup(utf8file);
+ return song;
+ }
+#endif
+#ifdef HAVE_AUDIOFILE
+ if((song->mtime = isWave(utf8file))) {
+ song->tag = audiofileTagDup(utf8file);
+ return song;
+ }
+#endif
+ return song;
+}
+
+void freeSong(Song * song) {
+ free(song->utf8file);
+ if(song->tag) freeMpdTag(song->tag);
+ free(song);
+}
+
+SongList * newSongList() {
+ return makeList((ListFreeDataFunc *)freeSong);
+}
+
+Song * addSongToList(SongList * list, char * key, char * utf8file) {
+ Song * song;
+
+ if(isMusic(utf8file)) {
+ song = newSong(utf8file);
+ }
+ else {
+ return NULL;
+ }
+
+ insertInList(list,key,(void *)song);
+
+ return song;
+}
+
+void freeSongList(SongList * list) {
+ freeList(list);
+}
+
+int printSongInfo(FILE * fp, Song * song) {
+ myfprintf(fp,"%s%s\n",SONG_FILE,song->utf8file);
+
+ if(song->tag) printMpdTag(fp,song->tag);
+
+ return 0;
+}
+
+int printSongInfoFromList(FILE * fp, SongList * list) {
+ ListNode * tempNode = list->firstNode;
+
+ while(tempNode!=NULL) {
+ printSongInfo(fp,(Song *)tempNode->data);
+ tempNode = tempNode->nextNode;
+ }
+
+ return 0;
+}
+
+void writeSongInfoFromList(FILE * fp, SongList * list) {
+ ListNode * tempNode = list->firstNode;
+
+ myfprintf(fp,"%s\n",SONG_BEGIN);
+
+ while(tempNode!=NULL) {
+ myfprintf(fp,"%s%s\n",SONG_KEY,tempNode->key);
+ printSongInfo(fp,(Song *)tempNode->data);
+ myfprintf(fp,"%s%li\n",SONG_MTIME,(long)((Song *)tempNode->data)->mtime);
+ tempNode = tempNode->nextNode;
+ }
+
+ myfprintf(fp,"%s\n",SONG_END);
+}
+
+void readSongInfoIntoList(FILE * fp, SongList * list) {
+ char buffer[MAXPATHLEN+1024];
+ int bufferSize = MAXPATHLEN+1024;
+ Song * song = NULL;
+ char * key = NULL;
+
+ while(myFgets(buffer,bufferSize,fp) && 0!=strcmp(SONG_END,buffer)) {
+ if(0==strncmp(SONG_KEY,buffer,strlen(SONG_KEY))) {
+ if(song) {
+ insertInList(list,key,(void *)song);
+ addSongToTables(song);
+ free(key);
+ }
+ key = strdup(&(buffer[strlen(SONG_KEY)]));
+ song = malloc(sizeof(Song));
+ song->tag = NULL;
+ song->utf8file = NULL;
+ }
+ else if(0==strncmp(SONG_FILE,buffer,strlen(SONG_FILE))) {
+ if(!song || song->utf8file) {
+ ERROR("Problems reading song info\n");
+ exit(-1);
+ }
+ song->utf8file = strdup(&(buffer[strlen(SONG_FILE)]));
+ }
+ else if(0==strncmp(SONG_ARTIST,buffer,strlen(SONG_ARTIST))) {
+ if(!song->tag) song->tag = newMpdTag();
+ song->tag->artist = strdup(&(buffer[strlen(SONG_ARTIST)]));
+ }
+ else if(0==strncmp(SONG_ALBUM,buffer,strlen(SONG_ALBUM))) {
+ if(!song->tag) song->tag = newMpdTag();
+ song->tag->album = strdup(&(buffer[strlen(SONG_ALBUM)]));
+ }
+ else if(0==strncmp(SONG_TRACK,buffer,strlen(SONG_TRACK))) {
+ if(!song->tag) song->tag = newMpdTag();
+ song->tag->track = strdup(&(buffer[strlen(SONG_TRACK)]));
+ }
+ else if(0==strncmp(SONG_TITLE,buffer,strlen(SONG_TITLE))) {
+ if(!song->tag) song->tag = newMpdTag();
+ song->tag->title = strdup(&(buffer[strlen(SONG_TITLE)]));
+ }
+ else if(0==strncmp(SONG_TIME,buffer,strlen(SONG_TIME))) {
+ if(!song->tag) song->tag = newMpdTag();
+ song->tag->time = atoi(&(buffer[strlen(SONG_TIME)]));
+ }
+ else if(0==strncmp(SONG_MTIME,buffer,strlen(SONG_MTIME))) {
+ song->mtime = atoi(&(buffer[strlen(SONG_TITLE)]));
+ }
+ else {
+ ERROR("unknown line in db: %s\n",buffer);
+ exit(-1);
+ }
+ }
+
+ if(song) {
+ insertInList(list,key,(void *)song);
+ addSongToTables(song);
+ free(key);
+ }
+}
+
+int updateSongInfo(Song * song) {
+ if(song->tag) freeMpdTag(song->tag);
+#ifdef HAVE_MAD
+ if((song->mtime = isMp3(song->utf8file))) {
+ song->tag = mp3TagDup(song->utf8file);
+ return 0;
+ }
+#endif
+#ifdef HAVE_OGG
+ if((song->mtime = isOgg(song->utf8file))) {
+ song->tag = oggTagDup(song->utf8file);
+ return 0;
+ }
+#endif
+#ifdef HAVE_FLAC
+ if((song->mtime = isFlac(song->utf8file))) {
+ song->tag = flacTagDup(song->utf8file);
+ return 0;
+ }
+#endif
+#ifdef HAVE_AUDIOFILE
+ if((song->mtime = isWave(song->utf8file))) {
+ song->tag = audiofileTagDup(song->utf8file);
+ return 0;
+ }
+#endif
+ return -1;
+}
+
+Song * songDup(Song * song) {
+ Song * ret = malloc(sizeof(Song));
+
+ ret->utf8file = strdup(song->utf8file);
+ ret->mtime = song->mtime;
+ ret->tag = mpdTagDup(song->tag);
+
+ return ret;
+}