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#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <ctype.h>
#include <inttypes.h>
#include "system.h"
#include "metadata.h"
#include "metadata_common.h"
#include "metadata_parsers.h"
#include "rbunicode.h"
static bool parse_kss_header(int fd, struct mp3entry* id3)
{
/* Use the trackname part of the id3 structure as a temporary buffer */
unsigned char* buf = (unsigned char *)id3->path;
lseek(fd, 0, SEEK_SET);
if (read(fd, buf, 0x20) < 0x20)
return false;
/* calculate track length with number of tracks */
id3->length = 0;
if (buf[14] == 0x10) {
id3->length = (get_short_le((void *)(buf + 26)) + 1) * 1000;
}
if (id3->length <= 0)
id3->length = 255 * 1000; /* 255 tracks */
return true;
}
bool get_kss_metadata(int fd, struct mp3entry* id3)
{
uint32_t kss_type;
if ((lseek(fd, 0, SEEK_SET) < 0) ||
read_uint32be(fd, &kss_type) != (int)sizeof(kss_type))
return false;
id3->vbr = false;
id3->filesize = filesize(fd);
/* we only render 16 bits, 44.1KHz, Stereo */
id3->bitrate = 706;
id3->frequency = 44100;
/* Make sure this is an SGC file */
if (kss_type != FOURCC('K','S','C','C') && kss_type != FOURCC('K','S','S','X'))
return false;
return parse_kss_header(fd, id3);
}
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