/* parse numeric genre from string, version 2.2 and 2.3 */
static int parsegenre( struct mp3entry* entry, char* tag, int bufferpos )
{
/* Use bufferpos to hold current position in entry->id3v2buf. */
bufferpos = tag - entry->id3v2buf;
if(entry->id3version >= ID3_VER_2_4) {
/* In version 2.4 and up, there are no parentheses, and the genre frame
is a list of strings, either numbers or text. */
/* Is it a number? */
if(isdigit(tag[0])) {
entry->genre_string = id3_get_num_genre(atoi( tag ));
return bufferpos;
} else {
entry->genre_string = tag;
return bufferpos + strlen(tag) + 1;
}
} else {
if( tag[0] == '(' && tag[1] != '(' ) {
entry->genre_string = id3_get_num_genre(atoi( tag + 1 ));
return bufferpos;
}
else {
entry->genre_string = tag;
return bufferpos + strlen(tag) + 1;
}
}
}
bool get_asap_metadata(int fd, struct mp3entry* id3)
{
int filelength = filesize(fd);
if(parse_sap_header(fd, id3, filelength) == false)
{
DEBUGF("parse sap header failed.\n");
return false;
}
id3->bitrate = 706;
id3->frequency = 44100;
id3->vbr = false;
id3->filesize = filelength;
id3->genre_string = id3_get_num_genre(36);
return true;
}
bool get_spc_metadata(int fd, struct mp3entry* id3)
{
/* Use the trackname part of the id3 structure as a temporary buffer */
unsigned char * buf = (unsigned char *)id3->path;
char * p;
unsigned long length;
unsigned long fade;
bool isbinary = true;
int i;
/* try to get the ID666 tag */
if ((lseek(fd, 0x2e, SEEK_SET) < 0)
|| (read(fd, buf, 0xD2) < 0xD2))
{
DEBUGF("lseek or read failed\n");
return false;
}
p = id3->id3v2buf;
id3->title = p;
buf[31] = 0;
p = iso_decode(buf, p, 0, 32);
buf += 32;
id3->album = p;
buf[31] = 0;
p = iso_decode(buf, p, 0, 32);
buf += 48;
id3->comment = p;
buf[31] = 0;
p = iso_decode(buf, p, 0, 32);
buf += 32;
/* Date check */
if(buf[2] == '/' && buf[5] == '/')
isbinary = false;
/* Reserved bytes check */
if(buf[0xD2 - 0x2E - 112] >= '0' &&
buf[0xD2 - 0x2E - 112] <= '9' &&
buf[0xD3 - 0x2E - 112] == 0x00)
isbinary = false;
/* is length & fade only digits? */
for (i=0;i<8 && (
(buf[0xA9 - 0x2E - 112+i]>='0'&&buf[0xA9 - 0x2E - 112+i]<='9') ||
buf[0xA9 - 0x2E - 112+i]=='\0');
i++);
if (i==8) isbinary = false;
if(isbinary) {
id3->year = buf[0] | (buf[1]<<8);
buf += 11;
length = (buf[0] | (buf[1]<<8) | (buf[2]<<16)) * 1000;
buf += 3;
fade = (buf[0] | (buf[1]<<8) | (buf[2]<<16) | (buf[3]<<24));
buf += 4;
} else {
char tbuf[6];
buf += 6;
buf[4] = 0;
id3->year = atoi(buf);
buf += 5;
memcpy(tbuf, buf, 3);
tbuf[3] = 0;
length = atoi(tbuf) * 1000;
buf += 3;
memcpy(tbuf, buf, 5);
tbuf[5] = 0;
fade = atoi(tbuf);
buf += 5;
}
id3->artist = p;
buf[31] = 0;
iso_decode(buf, p, 0, 32);
if (length==0) {
length=3*60*1000; /* 3 minutes */
fade=5*1000; /* 5 seconds */
}
id3->length = length+fade;
id3->filesize = filesize(fd);
id3->genre_string = id3_get_num_genre(36);
return true;
}
