mirror of https://github.com/mpv-player/mpv
234 lines
6.4 KiB
C
234 lines
6.4 KiB
C
/*
|
|
* This file is part of MPlayer.
|
|
*
|
|
* MPlayer is free software; you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License as published by
|
|
* the Free Software Foundation; either version 2 of the License, or
|
|
* (at your option) any later version.
|
|
*
|
|
* MPlayer is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License along
|
|
* with MPlayer; if not, write to the Free Software Foundation, Inc.,
|
|
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
|
|
*/
|
|
|
|
#ifndef MPLAYER_VCD_READ_DARWIN_H
|
|
#define MPLAYER_VCD_READ_DARWIN_H
|
|
|
|
#define _XOPEN_SOURCE 500
|
|
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
#include <errno.h>
|
|
#include <sys/types.h>
|
|
#include <sys/uio.h>
|
|
#include <unistd.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"
|
|
#include "mp_msg.h"
|
|
#include "stream.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);
|
|
}
|
|
|
|
static 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);
|
|
}
|
|
|
|
static 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;
|
|
}
|
|
|
|
#endif /* MPLAYER_VCD_READ_DARWIN_H */
|