From b5716df4cb2837bbbc42195cf1aefcf03e21d6a6 Mon Sep 17 00:00:00 2001 From: Sean Bartell Date: Fri, 24 Jun 2011 01:25:21 -0400 Subject: Build librbcodec with DSP and metadata. All associated files are moved to /lib/rbcodec. Change-Id: I572ddd2b8a996aae1e98c081d06b1ed356dce222 --- lib/rbcodec/metadata/kss.c | 53 ++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 53 insertions(+) create mode 100644 lib/rbcodec/metadata/kss.c (limited to 'lib/rbcodec/metadata/kss.c') diff --git a/lib/rbcodec/metadata/kss.c b/lib/rbcodec/metadata/kss.c new file mode 100644 index 0000000000..2ae0cf50b0 --- /dev/null +++ b/lib/rbcodec/metadata/kss.c @@ -0,0 +1,53 @@ +#include +#include +#include +#include +#include + +#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); +} -- cgit v1.2.3