mirror of
https://github.com/mpv-player/mpv
synced 2024-12-09 16:36:15 +00:00
9b0045f5e1
git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@12798 b3059339-0415-0410-9bf9-f77b7e298cf2
173 lines
4.6 KiB
C
173 lines
4.6 KiB
C
|
|
#include <sys/types.h>
|
|
#ifdef __NetBSD__
|
|
#include <sys/inttypes.h>
|
|
#endif
|
|
#include <sys/cdio.h>
|
|
#include <sys/scsiio.h>
|
|
|
|
#define CDROM_LEADOUT 0xAA
|
|
|
|
typedef struct mp_vcd_priv_st {
|
|
int fd;
|
|
struct ioc_read_toc_entry entry;
|
|
struct cd_toc_entry entry_data;
|
|
} mp_vcd_priv_t;
|
|
|
|
static inline void
|
|
vcd_set_msf(mp_vcd_priv_t* vcd, unsigned int sect)
|
|
{
|
|
vcd->entry_data.addr.msf.frame = sect % 75;
|
|
sect = sect / 75;
|
|
vcd->entry_data.addr.msf.second = sect % 60;
|
|
sect = sect / 60;
|
|
vcd->entry_data.addr.msf.minute = sect;
|
|
}
|
|
|
|
static inline void
|
|
vcd_inc_msf(mp_vcd_priv_t* vcd)
|
|
{
|
|
vcd->entry_data.addr.msf.frame++;
|
|
if (vcd->entry_data.addr.msf.frame==75){
|
|
vcd->entry_data.addr.msf.frame=0;
|
|
vcd->entry_data.addr.msf.second++;
|
|
if (vcd->entry_data.addr.msf.second==60){
|
|
vcd->entry_data.addr.msf.second=0;
|
|
vcd->entry_data.addr.msf.minute++;
|
|
}
|
|
}
|
|
}
|
|
|
|
static inline unsigned int
|
|
vcd_get_msf(mp_vcd_priv_t* vcd)
|
|
{
|
|
return vcd->entry_data.addr.msf.frame +
|
|
(vcd->entry_data.addr.msf.second +
|
|
vcd->entry_data.addr.msf.minute * 60) * 75;
|
|
}
|
|
|
|
int
|
|
vcd_seek_to_track(mp_vcd_priv_t* vcd, int track)
|
|
{
|
|
vcd->entry.address_format = CD_MSF_FORMAT;
|
|
vcd->entry.starting_track = track;
|
|
vcd->entry.data_len = sizeof(struct cd_toc_entry);
|
|
vcd->entry.data = &vcd->entry_data;
|
|
if (ioctl(vcd->fd, CDIOREADTOCENTRIES, &vcd->entry)) {
|
|
mp_msg(MSGT_STREAM,MSGL_ERR,"ioctl dif1: %s\n",strerror(errno));
|
|
return -1;
|
|
}
|
|
return VCD_SECTOR_DATA * vcd_get_msf(vcd);
|
|
}
|
|
|
|
int
|
|
vcd_get_track_end(mp_vcd_priv_t* vcd, int track)
|
|
{
|
|
struct ioc_toc_header tochdr;
|
|
if (ioctl(vcd->fd, CDIOREADTOCHEADER, &tochdr) == -1) {
|
|
mp_msg(MSGT_STREAM,MSGL_ERR,"read CDROM toc header: %s\n",strerror(errno));
|
|
return -1;
|
|
}
|
|
vcd->entry.address_format = CD_MSF_FORMAT;
|
|
vcd->entry.starting_track = track < tochdr.ending_track ? (track + 1) : CDROM_LEADOUT;
|
|
vcd->entry.data_len = sizeof(struct cd_toc_entry);
|
|
vcd->entry.data = &vcd->entry_data;
|
|
if (ioctl(vcd->fd, CDIOREADTOCENTRYS, &vcd->entry)) {
|
|
mp_msg(MSGT_STREAM,MSGL_ERR,"ioctl dif2: %s\n",strerror(errno));
|
|
return -1;
|
|
}
|
|
return VCD_SECTOR_DATA * vcd_get_msf(vcd);
|
|
}
|
|
|
|
mp_vcd_priv_t*
|
|
vcd_read_toc(int fd)
|
|
{
|
|
struct ioc_toc_header tochdr;
|
|
mp_vcd_priv_t* vcd;
|
|
int i;
|
|
if (ioctl(fd, CDIOREADTOCHEADER, &tochdr) == -1) {
|
|
mp_msg(MSGT_OPEN,MSGL_ERR,"read CDROM toc header: %s\n",strerror(errno));
|
|
return;
|
|
}
|
|
for (i = tochdr.starting_track; i <= tochdr.ending_track; i++) {
|
|
struct ioc_read_toc_entry tocentry;
|
|
struct cd_toc_entry tocentry_data;
|
|
|
|
tocentry.starting_track = i;
|
|
tocentry.address_format = CD_MSF_FORMAT;
|
|
tocentry.data_len = sizeof(struct cd_toc_entry);
|
|
tocentry.data = &tocentry_data;
|
|
|
|
if (ioctl(fd, CDIOREADTOCENTRYS, &tocentry) == -1) {
|
|
mp_msg(MSGT_OPEN,MSGL_ERR,"read CDROM toc entry: %s\n",strerror(errno));
|
|
return NULL;
|
|
}
|
|
mp_msg(MSGT_OPEN,MSGL_INFO,"track %02d: adr=%d ctrl=%d format=%d %02d:%02d:%02d\n",
|
|
(int) tocentry.starting_track,
|
|
(int) tocentry.data->addr_type,
|
|
(int) tocentry.data->control,
|
|
(int) tocentry.address_format,
|
|
(int) tocentry.data->addr.msf.minute,
|
|
(int) tocentry.data->addr.msf.second,
|
|
(int) tocentry.data->addr.msf.frame
|
|
);
|
|
}
|
|
vcd = malloc(sizeof(mp_vcd_priv_t));
|
|
vcd->fd = fd;
|
|
return vcd;
|
|
}
|
|
|
|
static int
|
|
vcd_read(mp_vcd_priv_t* vcd, char *mem)
|
|
{
|
|
struct scsireq sc;
|
|
int lba = vcd_get_msf(vcd);
|
|
int blocks;
|
|
int sector_type;
|
|
int sync, header_code, user_data, edc_ecc, error_field;
|
|
int sub_channel;
|
|
int rc;
|
|
|
|
blocks = 1;
|
|
sector_type = 5; /* mode2/form2 */
|
|
sync = 0;
|
|
header_code = 0;
|
|
user_data = 1;
|
|
edc_ecc = 0;
|
|
error_field = 0;
|
|
sub_channel = 0;
|
|
|
|
memset(&sc, 0, sizeof(sc));
|
|
sc.cmd[0] = 0xBE;
|
|
sc.cmd[1] = (sector_type) << 2;
|
|
sc.cmd[2] = (lba >> 24) & 0xff;
|
|
sc.cmd[3] = (lba >> 16) & 0xff;
|
|
sc.cmd[4] = (lba >> 8) & 0xff;
|
|
sc.cmd[5] = lba & 0xff;
|
|
sc.cmd[6] = (blocks >> 16) & 0xff;
|
|
sc.cmd[7] = (blocks >> 8) & 0xff;
|
|
sc.cmd[8] = blocks & 0xff;
|
|
sc.cmd[9] = (sync << 7) | (header_code << 5) | (user_data << 4) |
|
|
(edc_ecc << 3) | (error_field << 1);
|
|
sc.cmd[10] = sub_channel;
|
|
sc.cmdlen = 12;
|
|
sc.databuf = (caddr_t) mem;
|
|
sc.datalen = 2328;
|
|
sc.senselen = sizeof(sc.sense);
|
|
sc.flags = SCCMD_READ;
|
|
sc.timeout = 10000;
|
|
rc = ioctl(vcd->fd, SCIOCCOMMAND, &sc);
|
|
if (rc == -1) {
|
|
mp_msg(MSGT_STREAM,MSGL_ERR,"SCIOCCOMMAND: %s\n",strerror(errno));
|
|
return -1;
|
|
}
|
|
if (sc.retsts || sc.error) {
|
|
mp_msg(MSGT_STREAM,MSGL_ERR,"scsi command failed: status %d error %d\n",
|
|
sc.retsts,sc.error);
|
|
return -1;
|
|
}
|
|
vcd_inc_msf(vcd);
|
|
return VCD_SECTOR_DATA;
|
|
}
|
|
|