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#include <sys/types.h>
#include <CoreFoundation/CFBase.h>
#include <IOKit/IOKitLib.h>
#include <IOKit/storage/IOCDTypes.h>
#include <IOKit/storage/IOCDMedia.h>
#include <IOKit/storage/IOCDMediaBSDClient.h>
#include "mpbswap.h"
//=================== VideoCD ==========================
#define CDROM_LEADOUT 0xAA
typedef struct
{
uint8_t sync [12];
uint8_t header [4];
uint8_t subheader [8];
uint8_t data [2324];
uint8_t spare [4];
} cdsector_t;
typedef struct mp_vcd_priv_st
{
int fd;
cdsector_t buf;
dk_cd_read_track_info_t entry;
struct CDDiscInfo hdr;
CDMSF msf;
} mp_vcd_priv_t;
static inline void vcd_set_msf(mp_vcd_priv_t* vcd, unsigned int sect)
{
vcd->msf = CDConvertLBAToMSF(sect);
}
static inline unsigned int vcd_get_msf(mp_vcd_priv_t* vcd)
{
return CDConvertMSFToLBA(vcd->msf);
}
int vcd_seek_to_track(mp_vcd_priv_t* vcd, int track)
{
struct CDTrackInfo entry;
memset( &vcd->entry, 0, sizeof(vcd->entry));
vcd->entry.addressType = kCDTrackInfoAddressTypeTrackNumber;
vcd->entry.address = track;
vcd->entry.bufferLength = sizeof(entry);
vcd->entry.buffer = &entry;
if (ioctl(vcd->fd, DKIOCCDREADTRACKINFO, &vcd->entry))
{
mp_msg(MSGT_STREAM,MSGL_ERR,"ioctl dif1: %s\n",strerror(errno));
return -1;
}
vcd->msf = CDConvertLBAToMSF(be2me_32(entry.trackStartAddress));
return VCD_SECTOR_DATA*vcd_get_msf(vcd);
}
int vcd_get_track_end(mp_vcd_priv_t* vcd, int track)
{
struct CDTrackInfo entry;
if (track > vcd->hdr.lastTrackNumberInLastSessionLSB) {
mp_msg(MSGT_OPEN, MSGL_ERR,
"track number %d greater than last track number %d\n",
track, vcd->hdr.lastTrackNumberInLastSessionLSB);
return -1;
}
//read track info
memset( &vcd->entry, 0, sizeof(vcd->entry));
vcd->entry.addressType = kCDTrackInfoAddressTypeTrackNumber;
vcd->entry.address = track<vcd->hdr.lastTrackNumberInLastSessionLSB?track+1:vcd->hdr.lastTrackNumberInLastSessionLSB;
vcd->entry.bufferLength = sizeof(entry);
vcd->entry.buffer = &entry;
if (ioctl(vcd->fd, DKIOCCDREADTRACKINFO, &vcd->entry))
{
mp_msg(MSGT_STREAM,MSGL_ERR,"ioctl dif2: %s\n",strerror(errno));
return -1;
}
if (track == vcd->hdr.lastTrackNumberInLastSessionLSB)
vcd->msf = CDConvertLBAToMSF(be2me_32(entry.trackStartAddress) +
be2me_32(entry.trackSize));
else
vcd->msf = CDConvertLBAToMSF(be2me_32(entry.trackStartAddress));
return VCD_SECTOR_DATA*vcd_get_msf(vcd);
}
mp_vcd_priv_t* vcd_read_toc(int fd)
{
dk_cd_read_disc_info_t tochdr;
struct CDDiscInfo hdr;
dk_cd_read_track_info_t tocentry;
struct CDTrackInfo entry;
CDMSF trackMSF;
mp_vcd_priv_t* vcd;
int i, min = 0, sec = 0, frame = 0;
//read toc header
memset(&tochdr, 0, sizeof(tochdr));
tochdr.buffer = &hdr;
tochdr.bufferLength = sizeof(hdr);
if (ioctl(fd, DKIOCCDREADDISCINFO, &tochdr) < 0)
{
mp_msg(MSGT_OPEN,MSGL_ERR,"read CDROM toc header: %s\n",strerror(errno));
return NULL;
}
//print all track info
mp_msg(MSGT_IDENTIFY, MSGL_INFO, "ID_VCD_START_TRACK=%d\n", hdr.firstTrackNumberInLastSessionLSB);
mp_msg(MSGT_IDENTIFY, MSGL_INFO, "ID_VCD_END_TRACK=%d\n", hdr.lastTrackNumberInLastSessionLSB);
for (i=hdr.firstTrackNumberInLastSessionLSB ; i<=hdr.lastTrackNumberInLastSessionLSB + 1; i++)
{
if (i <= hdr.lastTrackNumberInLastSessionLSB) {
memset( &tocentry, 0, sizeof(tocentry));
tocentry.addressType = kCDTrackInfoAddressTypeTrackNumber;
tocentry.address = i;
tocentry.bufferLength = sizeof(entry);
tocentry.buffer = &entry;
if (ioctl(fd,DKIOCCDREADTRACKINFO,&tocentry)==-1)
{
mp_msg(MSGT_OPEN,MSGL_ERR,"read CDROM toc entry: %s\n",strerror(errno));
return NULL;
}
trackMSF = CDConvertLBAToMSF(be2me_32(entry.trackStartAddress));
}
else
trackMSF = CDConvertLBAToMSF(be2me_32(entry.trackStartAddress)
+ be2me_32(entry.trackSize));
//mp_msg(MSGT_OPEN,MSGL_INFO,"track %02d: adr=%d ctrl=%d format=%d %02d:%02d:%02d\n",
if (i<=hdr.lastTrackNumberInLastSessionLSB)
mp_msg(MSGT_OPEN,MSGL_INFO,"track %02d: format=%d %02d:%02d:%02d\n",
(int)tocentry.address,
//(int)tocentry.entry.addr_type,
//(int)tocentry.entry.control,
(int)tocentry.addressType,
(int)trackMSF.minute,
(int)trackMSF.second,
(int)trackMSF.frame
);
if (mp_msg_test(MSGT_IDENTIFY, MSGL_INFO))
{
if (i > hdr.firstTrackNumberInLastSessionLSB)
{
min = trackMSF.minute - min;
sec = trackMSF.second - sec;
frame = trackMSF.frame - frame;
if ( frame < 0 )
{
frame += 75;
sec --;
}
if ( sec < 0 )
{
sec += 60;
min --;
}
mp_msg(MSGT_IDENTIFY, MSGL_INFO, "ID_VCD_TRACK_%d_MSF=%02d:%02d:%02d\n", i - 1, min, sec, frame);
}
min = trackMSF.minute;
sec = trackMSF.second;
frame = trackMSF.frame;
}
}
vcd = malloc(sizeof(mp_vcd_priv_t));
vcd->fd = fd;
vcd->hdr = hdr;
vcd->msf = trackMSF;
return vcd;
}
static int vcd_read(mp_vcd_priv_t* vcd,char *mem)
{
if (pread(vcd->fd,&vcd->buf,VCD_SECTOR_SIZE,vcd_get_msf(vcd)*VCD_SECTOR_SIZE) != VCD_SECTOR_SIZE)
return 0; // EOF?
vcd->msf.frame++;
if (vcd->msf.frame==75)
{
vcd->msf.frame=0;
vcd->msf.second++;
if (vcd->msf.second==60)
{
vcd->msf.second=0;
vcd->msf.minute++;
}
}
memcpy(mem,vcd->buf.data,VCD_SECTOR_DATA);
return VCD_SECTOR_DATA;
}
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