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Add extra tags to mp3 struct. Enable recursive dir scanning

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This commit is contained in:
Ron Pedde 2003-11-10 03:58:39 +00:00
parent 8a486e768c
commit 1f54c8225e
2 changed files with 127 additions and 11 deletions
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135
src/mp3-scanner.c
View File

@ -21,20 +21,29 @@
#include <dirent.h>
#include <errno.h>
#include <id3tag.h>
#include <limits.h>
#include <stdio.h>
#include <stdlib.h>
#include <sys/stat.h>
#include <sys/types.h>
#include "db-memory.h"
#include "err.h"
#include "mp3-scanner.h"
/*
* Typedefs
*/
#define MAYBEFREE(a) { if((a)) free((a)); };
/*
* Forwards
*/
int scan_foreground(char *path);
int scan_gettags(char *file, MP3FILE *pmp3);
int scan_freetags(MP3FILE *pmp3);
/*
* scan_init
@ -78,6 +87,7 @@ int scan_foreground(char *path) {
struct dirent *pde;
int err;
char mp3_path[PATH_MAX];
struct stat sb;
if((current_dir=opendir(path)) == NULL) {
return -1;
@ -96,20 +106,38 @@ int scan_foreground(char *path) {
if(!pde)
break;
if(de.d_name[0] == '.')
continue;
/* process the file */
if(strlen(de.d_name) > 4) {
if(strcasecmp(".mp3",(char*)&de.d_name[strlen(de.d_name) - 4]) == 0) {
/* we found an mp3 file */
DPRINTF(ERR_DEBUG,"Found mp3: %s\n",de.d_name);
sprintf(mp3_path,"%s/%s",path,de.d_name);
memset((void*)&mp3file,0,sizeof(mp3file));
mp3file.path=mp3_path;
mp3file.fname=de.d_name;
sprintf(mp3_path,"%s/%s",path,de.d_name);
DPRINTF(ERR_DEBUG,"Found %s\n",mp3_path);
if(stat(mp3_path,&sb)) {
DPRINTF(ERR_WARN,"Error statting: %s\n",strerror(errno));
}
/* Do the tag lookup here */
if(sb.st_mode & S_IFDIR) { /* dir -- recurse */
DPRINTF(ERR_DEBUG,"Found dir %s... recursing\n",de.d_name);
scan_foreground(mp3_path);
} else {
DPRINTF(ERR_DEBUG,"Processing file\n");
/* process the file */
if(strlen(de.d_name) > 4) {
if(strcasecmp(".mp3",(char*)&de.d_name[strlen(de.d_name) - 4]) == 0) {
/* we found an mp3 file */
DPRINTF(ERR_DEBUG,"Found mp3: %s\n",de.d_name);
db_add(&mp3file);
memset((void*)&mp3file,0,sizeof(mp3file));
mp3file.path=mp3_path;
mp3file.fname=de.d_name;
/* Do the tag lookup here */
scan_gettags(mp3file.path,&mp3file);
db_add(&mp3file);
scan_freetags(&mp3file);
}
}
}
}
@ -117,3 +145,88 @@ int scan_foreground(char *path) {
closedir(current_dir);
}
/*
* scan_gettags
*
* Scan an mp3 file for id3 tags using libid3tag
*/
int scan_gettags(char *file, MP3FILE *pmp3) {
struct id3_file *pid3file;
struct id3_tag *pid3tag;
struct id3_frame *pid3frame;
int err;
int index;
int used;
unsigned char *utf8_text;
pid3file=id3_file_open(file,ID3_FILE_MODE_READONLY);
if(!pid3file) {
return -1;
}
pid3tag=id3_file_tag(pid3file);
if(!pid3tag) {
err=errno;
id3_file_close(pid3file);
errno=err;
return -1;
}
index=0;
while((pid3frame=id3_tag_findframe(pid3tag,"",index))) {
used=0;
utf8_text=NULL;
if((pid3frame->id[0] == 'T')&&(id3_field_getnstrings(&pid3frame->fields[1])))
utf8_text=id3_ucs4_utf8duplicate(id3_field_getstrings(&pid3frame->fields[1],0));
if(!strcmp(pid3frame->id,"TIT2")) { /* Title */
used=1;
pmp3->title = utf8_text;
DPRINTF(ERR_DEBUG," Title: %s\n",utf8_text);
} else if(!strcmp(pid3frame->id,"TPE1")) {
used=1;
pmp3->artist = utf8_text;
DPRINTF(ERR_DEBUG," Artist: %s\n",utf8_text);
} else if(!strcmp(pid3frame->id,"TALB")) {
used=1;
pmp3->album = utf8_text;
DPRINTF(ERR_DEBUG," Album: %s\n",utf8_text);
} else if(!strcmp(pid3frame->id,"TCON")) {
used=1;
pmp3->genre = utf8_text;
DPRINTF(ERR_DEBUG," Genre: %s\n",utf8_text);
} else if(!strcmp(pid3frame->id,"COMM")) {
used=1;
pmp3->comment = utf8_text;
DPRINTF(ERR_DEBUG," Comment: %s\n",utf8_text);
}
if((!used) && (pid3frame->id[0]=='T') && utf8_text)
free(utf8_text);
index++;
}
pmp3->got_id3=1;
id3_file_close(pid3file);
}
/*
* scan_freetags
*
* Free up the tags that were dynamically allocated
*/
int scan_freetags(MP3FILE *pmp3) {
if(!pmp3->got_id3)
return 0;
MAYBEFREE(pmp3->title);
MAYBEFREE(pmp3->artist);
MAYBEFREE(pmp3->album);
MAYBEFREE(pmp3->genre);
MAYBEFREE(pmp3->comment);
return 0;
}

3
src/mp3-scanner.h
View File

@ -25,9 +25,12 @@
typedef struct tag_mp3file {
char *path;
char *fname;
char *title;
char *artist;
char *album;
char *genre;
char *comment;
int got_id3;
int id;
} MP3FILE;