void MP3ImportFileHandle::ImportID3(Tags *tags)
{
#ifdef USE_LIBID3TAG
wxFile f; // will be closed when it goes out of scope
struct id3_file *fp = NULL;
if (f.Open(mFilename)) {
// Use id3_file_fdopen() instead of id3_file_open since wxWidgets can open a
// file with a Unicode name and id3_file_open() can't (under Windows).
fp = id3_file_fdopen(f.fd(), ID3_FILE_MODE_READONLY);
}
if (!fp) {
return;
}
// The file descriptor is now owned by "fp", so we must tell "f" to forget
// about it.
f.Detach();
struct id3_tag *tp = id3_file_tag(fp);
if (!tp) {
id3_file_close(fp);
return;
}
tags->Clear();
// Loop through all frames
bool have_year = false;
for (int i = 0; i < (int) tp->nframes; i++) {
struct id3_frame *frame = tp->frames[i];
// printf("ID: %08x '%4s'\n", (int) *(int *)frame->id, frame->id);
// printf("Desc: %s\n", frame->description);
// printf("Num fields: %d\n", frame->nfields);
// for (int j = 0; j < (int) frame->nfields; j++) {
// printf("field %d type %d\n", j, frame->fields[j].type );
// if (frame->fields[j].type == ID3_FIELD_TYPE_STRINGLIST) {
// printf("num strings %d\n", frame->fields[j].stringlist.nstrings);
// }
// }
wxString n, v;
// Determine the tag name
if (strcmp(frame->id, ID3_FRAME_TITLE) == 0) {
n = TAG_TITLE;
}
else if (strcmp(frame->id, ID3_FRAME_ARTIST) == 0) {
n = TAG_ARTIST;
}
else if (strcmp(frame->id, ID3_FRAME_ALBUM) == 0) {
n = TAG_ALBUM;
}
else if (strcmp(frame->id, ID3_FRAME_TRACK) == 0) {
n = TAG_TRACK;
}
else if (strcmp(frame->id, ID3_FRAME_YEAR) == 0) {
// LLL: When libid3tag encounters the "TYER" tag, it converts it to a
// "ZOBS" (obsolete) tag and adds a "TDRC" tag at the end of the
// list of tags using the first 4 characters of the "TYER" tag.
// Since we write both the "TDRC" and "TYER" tags, the "TDRC" tag
// will always be encountered first in the list. We want use it
// since the converted "TYER" tag may have been truncated.
if (have_year) {
continue;
}
n = TAG_YEAR;
have_year = true;
}
else if (strcmp(frame->id, ID3_FRAME_COMMENT) == 0) {
n = TAG_COMMENTS;
}
else if (strcmp(frame->id, ID3_FRAME_GENRE) == 0) {
n = TAG_GENRE;
}
else {
// Use frame description as default tag name. The descriptions
// may include several "meanings" separated by "/" characters, so
// we just use the first meaning
n = UTF8CTOWX(frame->description).BeforeFirst(wxT('/'));
}
const id3_ucs4_t *ustr = NULL;
if (n == TAG_COMMENTS) {
ustr = id3_field_getfullstring(&frame->fields[3]);
}
else if (frame->nfields == 3) {
ustr = id3_field_getstring(&frame->fields[1]);
if (ustr) {
char *str = (char *)id3_ucs4_utf8duplicate(ustr);
n = UTF8CTOWX(str);
free(str);
}
ustr = id3_field_getstring(&frame->fields[2]);
}
else if (frame->nfields >= 2) {
ustr = id3_field_getstrings(&frame->fields[1], 0);
}
if (ustr) {
char *str = (char *)id3_ucs4_utf8duplicate(ustr);
v = UTF8CTOWX(str);
free(str);
}
if (!n.IsEmpty() && !v.IsEmpty()) {
tags->SetTag(n, v);
}
}
// Convert v1 genre to name
if (tags->HasTag(TAG_GENRE)) {
long g = -1;
if (tags->GetTag(TAG_GENRE).ToLong(&g)) {
tags->SetTag(TAG_GENRE, tags->GetGenre(g));
}
}
id3_file_close(fp);
#endif // ifdef USE_LIBID3TAG
}
/*
* NAME: show_id3()
* DESCRIPTION: display an ID3 tag
*/
static
void show_id3(playa_info_t * info3, struct id3_tag const *tag)
{
unsigned int i;
struct id3_frame const *frame;
id3_ucs4_t const *ucs4;
id3_latin1_t *latin1;
/* $$$ Care of order in mp3dc.h */
struct {
char const *id;
char const *name;
} const info[] = {
{ID3_FRAME_ARTIST, N_("Artist")},
{ID3_FRAME_ALBUM, N_("Album")},
{ID3_FRAME_TRACK, N_("Track")},
{ID3_FRAME_TITLE, N_("Title")},
{ID3_FRAME_YEAR, N_("Year")},
{ID3_FRAME_GENRE, N_("Genre")},
};
/* text information */
for (i = 0; i < sizeof(info) / sizeof(info[0]); ++i) {
union id3_field const *field;
unsigned int nstrings, namelen, j;
char const *name;
frame = id3_tag_findframe(tag, info[i].id, 0);
if (frame == 0)
continue;
field = &frame->fields[1];
nstrings = id3_field_getnstrings(field);
name = info[i].name;
namelen = name ? strlen(name) : 0;
// assert(namelen < sizeof(spaces));
for (j = 0; j < nstrings; ++j) {
ucs4 = id3_field_getstrings(field, j);
assert(ucs4);
if (strcmp(info[i].id, ID3_FRAME_GENRE) == 0)
ucs4 = id3_genre_name(ucs4);
latin1 = id3_ucs4_latin1duplicate(ucs4);
if (latin1 == 0)
return;
if (j == 0 && name) {
info3->info[PLAYA_INFO_ARTIST+i].s = latin1;
} else {
free (latin1);
}
}
}
/* comments */
i = 0;
while ((frame = id3_tag_findframe(tag, ID3_FRAME_COMMENT, i++))) {
id3_latin1_t *ptr;
ucs4 = id3_field_getstring(&frame->fields[2]);
assert(ucs4);
if (*ucs4)
continue;
ucs4 = id3_field_getfullstring(&frame->fields[3]);
assert(ucs4);
latin1 = id3_ucs4_latin1duplicate(ucs4);
if (latin1 == 0)
break;
{
int c;
ptr = latin1;
while (c=*ptr, c) {
if (c < ' ' || c>127) *ptr = ' ';
ptr++;
}
}
if (strlen(latin1) > 0) {
info3->info[PLAYA_INFO_COMMENTS].s = latin1;
break; /* One comment only ! */
} else {
free (latin1);
}
}
}
static int
_get_mp3tags(char *file, struct song_metadata *psong)
{
struct id3_file *pid3file;
struct id3_tag *pid3tag;
struct id3_frame *pid3frame;
int err;
int index;
int used;
unsigned char *utf8_text;
int genre = WINAMP_GENRE_UNKNOWN;
int have_utf8;
int have_text;
id3_ucs4_t const *native_text;
char *tmp;
int got_numeric_genre;
id3_byte_t const *image;
id3_length_t image_size = 0;
pid3file = id3_file_open(file, ID3_FILE_MODE_READONLY);
if(!pid3file)
{
DPRINTF(E_ERROR, L_SCANNER, "Cannot open %s\n", file);
return -1;
}
pid3tag = id3_file_tag(pid3file);
if(!pid3tag)
{
err = errno;
id3_file_close(pid3file);
errno = err;
DPRINTF(E_WARN, L_SCANNER, "Cannot get ID3 tag for %s\n", file);
return -1;
}
index = 0;
while((pid3frame = id3_tag_findframe(pid3tag, "", index)))
{
used = 0;
utf8_text = NULL;
native_text = NULL;
have_utf8 = 0;
have_text = 0;
if(!strcmp(pid3frame->id, "YTCP")) /* for id3v2.2 */
{
psong->compilation = 1;
DPRINTF(E_DEBUG, L_SCANNER, "Compilation: %d [%s]\n", psong->compilation, basename(file));
}
else if(!strcmp(pid3frame->id, "APIC") && !image_size)
{
if( (strcmp((char*)id3_field_getlatin1(&pid3frame->fields[1]), "image/jpeg") == 0) ||
(strcmp((char*)id3_field_getlatin1(&pid3frame->fields[1]), "image/jpg") == 0) ||
(strcmp((char*)id3_field_getlatin1(&pid3frame->fields[1]), "jpeg") == 0)
#if HAVE_LIBPNG
|| (strcmp((char*)id3_field_getlatin1(&pid3frame->fields[1]), "image/png") == 0) ||
(strcmp((char*)id3_field_getlatin1(&pid3frame->fields[1]), "png") == 0)
#endif
)
{
image = id3_field_getbinarydata(&pid3frame->fields[4], &image_size);
if( image_size )
{
psong->image = malloc(image_size);
memcpy(psong->image, image, image_size);
psong->image_size = image_size;
//DEBUG DPRINTF(E_DEBUG, L_SCANNER, "Found thumbnail: %d\n", psong->image_size);
}
}
}
if(((pid3frame->id[0] == 'T') || (strcmp(pid3frame->id, "COMM") == 0)) &&
(id3_field_getnstrings(&pid3frame->fields[1])))
have_text = 1;
if(have_text)
{
native_text = id3_field_getstrings(&pid3frame->fields[1], 0);
if(native_text)
{
have_utf8 = 1;
if(lang_index >= 0)
utf8_text = _get_utf8_text(native_text); // through iconv
else
utf8_text = (unsigned char*)id3_ucs4_utf8duplicate(native_text);
if(!strcmp(pid3frame->id, "TIT2"))
{
used = 1;
psong->title = (char*)utf8_text;
}
else if(!strcmp(pid3frame->id, "TPE1"))
{
used = 1;
psong->contributor[ROLE_ARTIST] = (char*)utf8_text;
}
else if(!strcmp(pid3frame->id, "TALB"))
{
used = 1;
psong->album = (char*)utf8_text;
}
else if(!strcmp(pid3frame->id, "TCOM"))
{
used = 1;
psong->contributor[ROLE_COMPOSER] = (char*)utf8_text;
}
else if(!strcmp(pid3frame->id, "TIT1"))
{
used = 1;
psong->grouping = (char*)utf8_text;
}
else if(!strcmp(pid3frame->id, "TPE2"))
{
used = 1;
psong->contributor[ROLE_BAND] = (char*)utf8_text;
}
else if(!strcmp(pid3frame->id, "TPE3"))
{
used = 1;
psong->contributor[ROLE_CONDUCTOR] = (char*)utf8_text;
}
else if(!strcmp(pid3frame->id, "TCON"))
{
used = 1;
psong->genre = (char*)utf8_text;
got_numeric_genre = 0;
if(psong->genre)
{
if(!strlen(psong->genre))
{
genre = WINAMP_GENRE_UNKNOWN;
got_numeric_genre = 1;
}
else if(isdigit(psong->genre[0]))
{
genre = atoi(psong->genre);
got_numeric_genre = 1;
}
else if((psong->genre[0] == '(') && (isdigit(psong->genre[1])))
{
genre = atoi((char*)&psong->genre[1]);
got_numeric_genre = 1;
}
if(got_numeric_genre)
{
if((genre < 0) || (genre > WINAMP_GENRE_UNKNOWN))
genre = WINAMP_GENRE_UNKNOWN;
free(psong->genre);
psong->genre = strdup(winamp_genre[genre]);
}
}
}
else if(!strcmp(pid3frame->id, "COMM"))
{
used = 1;
psong->comment = (char*)utf8_text;
}
else if(!strcmp(pid3frame->id, "TPOS"))
{
tmp = (char*)utf8_text;
strsep(&tmp, "/");
if(tmp)
{
psong->total_discs = atoi(tmp);
}
psong->disc = atoi((char*)utf8_text);
}
else if(!strcmp(pid3frame->id, "TRCK"))
{
tmp = (char*)utf8_text;
strsep(&tmp, "/");
if(tmp)
{
psong->total_tracks = atoi(tmp);
}
psong->track = atoi((char*)utf8_text);
}
else if(!strcmp(pid3frame->id, "TDRC"))
{
psong->year = atoi((char*)utf8_text);
}
else if(!strcmp(pid3frame->id, "TLEN"))
{
psong->song_length = atoi((char*)utf8_text);
}
else if(!strcmp(pid3frame->id, "TBPM"))
{
psong->bpm = atoi((char*)utf8_text);
}
else if(!strcmp(pid3frame->id, "TCMP"))
{
psong->compilation = (char)atoi((char*)utf8_text);
}
}
}
// check if text tag
if((!used) && (have_utf8) && (utf8_text))
free(utf8_text);
// v2 COMM
if((!strcmp(pid3frame->id, "COMM")) && (pid3frame->nfields == 4))
{
native_text = id3_field_getstring(&pid3frame->fields[2]);
if(native_text)
{
utf8_text = (unsigned char*)id3_ucs4_utf8duplicate(native_text);
if((utf8_text) && (strncasecmp((char*)utf8_text, "iTun", 4) != 0))
{
// read comment
free(utf8_text);
native_text = id3_field_getfullstring(&pid3frame->fields[3]);
if(native_text)
{
utf8_text = (unsigned char*)id3_ucs4_utf8duplicate(native_text);
if(utf8_text)
{
free(psong->comment);
psong->comment = (char*)utf8_text;
}
}
}
else
{
free(utf8_text);
}
}
}
index++;
}
id3_file_close(pid3file);
//DEBUG DPRINTF(E_INFO, L_SCANNER, "Got id3 tag successfully for file=%s\n", file);
return 0;
}