b127949860
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@30280 a1c6a512-1295-4272-9138-f99709370657
53 lines
1.3 KiB
C
53 lines
1.3 KiB
C
#include <stdio.h>
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#include <string.h>
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#include <stdlib.h>
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#include <ctype.h>
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#include <inttypes.h>
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#include "system.h"
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#include "metadata.h"
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#include "metadata_common.h"
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#include "metadata_parsers.h"
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#include "rbunicode.h"
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static bool parse_kss_header(int fd, struct mp3entry* id3)
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{
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/* Use the trackname part of the id3 structure as a temporary buffer */
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unsigned char* buf = (unsigned char *)id3->path;
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lseek(fd, 0, SEEK_SET);
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if (read(fd, buf, 0x20) < 0x20)
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return false;
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/* calculate track length with number of tracks */
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id3->length = 0;
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if (buf[14] == 0x10) {
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id3->length = (get_short_le((void *)(buf + 26)) + 1) * 1000;
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}
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if (id3->length <= 0)
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id3->length = 255 * 1000; /* 255 tracks */
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return true;
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}
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bool get_kss_metadata(int fd, struct mp3entry* id3)
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{
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uint32_t kss_type;
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if ((lseek(fd, 0, SEEK_SET) < 0) ||
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read_uint32be(fd, &kss_type) != (int)sizeof(kss_type))
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return false;
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id3->vbr = false;
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id3->filesize = filesize(fd);
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/* we only render 16 bits, 44.1KHz, Stereo */
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id3->bitrate = 706;
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id3->frequency = 44100;
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/* Make sure this is an SGC file */
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if (kss_type != FOURCC('K','S','C','C') && kss_type != FOURCC('K','S','S','X'))
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return false;
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return parse_kss_header(fd, id3);
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}
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