mirror of https://github.com/mpv-player/mpv
226 lines
6.2 KiB
C
226 lines
6.2 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_H
|
|
#define MPLAYER_VCD_READ_H
|
|
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
#include <errno.h>
|
|
#include <sys/ioctl.h>
|
|
|
|
#include <libavutil/intreadwrite.h>
|
|
|
|
#include "common/msg.h"
|
|
#include "stream.h"
|
|
//=================== VideoCD ==========================
|
|
|
|
typedef struct mp_vcd_priv_st mp_vcd_priv_t;
|
|
|
|
#ifdef sun
|
|
#include <sys/cdio.h>
|
|
static int sun_vcd_read(mp_vcd_priv_t*, int*);
|
|
#elif defined(__bsdi__)
|
|
#include <dvd.h>
|
|
#else
|
|
#include <linux/cdrom.h>
|
|
#endif
|
|
|
|
struct mp_vcd_priv_st {
|
|
stream_t *stream;
|
|
int fd;
|
|
struct cdrom_tocentry entry;
|
|
char buf[VCD_SECTOR_SIZE];
|
|
struct cdrom_tochdr tochdr;
|
|
};
|
|
|
|
static inline void vcd_set_msf(mp_vcd_priv_t* vcd, unsigned int sect){
|
|
sect += 150;
|
|
vcd->entry.cdte_addr.msf.frame=sect%75;
|
|
sect=sect/75;
|
|
vcd->entry.cdte_addr.msf.second=sect%60;
|
|
sect=sect/60;
|
|
vcd->entry.cdte_addr.msf.minute=sect;
|
|
}
|
|
|
|
static inline unsigned int vcd_get_msf(mp_vcd_priv_t* vcd){
|
|
return vcd->entry.cdte_addr.msf.frame +
|
|
(vcd->entry.cdte_addr.msf.second+
|
|
vcd->entry.cdte_addr.msf.minute*60)*75 - 150;
|
|
}
|
|
|
|
static int vcd_seek_to_track(mp_vcd_priv_t* vcd, int track)
|
|
{
|
|
vcd->entry.cdte_format = CDROM_MSF;
|
|
vcd->entry.cdte_track = track;
|
|
if (ioctl(vcd->fd, CDROMREADTOCENTRY, &vcd->entry)) {
|
|
MP_ERR(vcd->stream, "ioctl dif1: %s\n",strerror(errno));
|
|
return -1;
|
|
}
|
|
return VCD_SECTOR_DATA*vcd_get_msf(vcd);
|
|
}
|
|
|
|
static int vcd_get_track_end(mp_vcd_priv_t* vcd,int track){
|
|
vcd->entry.cdte_format = CDROM_MSF;
|
|
vcd->entry.cdte_track = track<vcd->tochdr.cdth_trk1?(track+1):CDROM_LEADOUT;
|
|
if (ioctl(vcd->fd, CDROMREADTOCENTRY, &vcd->entry)) {
|
|
MP_ERR(vcd->stream, "ioctl dif2: %s\n",strerror(errno));
|
|
return -1;
|
|
}
|
|
return VCD_SECTOR_DATA*vcd_get_msf(vcd);
|
|
}
|
|
|
|
static mp_vcd_priv_t* vcd_read_toc(stream_t *stream, int fd){
|
|
struct cdrom_tochdr tochdr;
|
|
mp_vcd_priv_t* vcd;
|
|
int i;
|
|
if (ioctl(fd,CDROMREADTOCHDR,&tochdr)==-1) {
|
|
MP_ERR(stream, "read CDROM toc header: %s\n",strerror(errno));
|
|
return NULL;
|
|
}
|
|
for (i=tochdr.cdth_trk0 ; i<=tochdr.cdth_trk1 + 1; i++){
|
|
struct cdrom_tocentry tocentry;
|
|
|
|
tocentry.cdte_track = i<=tochdr.cdth_trk1 ? i : CDROM_LEADOUT;
|
|
tocentry.cdte_format = CDROM_MSF;
|
|
|
|
if (ioctl(fd,CDROMREADTOCENTRY,&tocentry)==-1) {
|
|
MP_ERR(stream, "read CDROM toc entry: %s\n",strerror(errno));
|
|
return NULL;
|
|
}
|
|
|
|
if (i<=tochdr.cdth_trk1)
|
|
MP_INFO(stream, "track %02d: adr=%d ctrl=%d format=%d %02d:%02d:%02d mode: %d\n",
|
|
(int)tocentry.cdte_track,
|
|
(int)tocentry.cdte_adr,
|
|
(int)tocentry.cdte_ctrl,
|
|
(int)tocentry.cdte_format,
|
|
(int)tocentry.cdte_addr.msf.minute,
|
|
(int)tocentry.cdte_addr.msf.second,
|
|
(int)tocentry.cdte_addr.msf.frame,
|
|
(int)tocentry.cdte_datamode
|
|
);
|
|
|
|
}
|
|
vcd = malloc(sizeof(mp_vcd_priv_t));
|
|
vcd->stream = stream;
|
|
vcd->fd = fd;
|
|
vcd->tochdr = tochdr;
|
|
return vcd;
|
|
}
|
|
|
|
static int vcd_read(mp_vcd_priv_t* vcd,char *mem){
|
|
#ifndef sun
|
|
memcpy(vcd->buf,&vcd->entry.cdte_addr.msf,sizeof(vcd->entry.cdte_addr.msf));
|
|
if(ioctl(vcd->fd,CDROMREADRAW,vcd->buf)==-1) return 0; // EOF?
|
|
memcpy(mem,&vcd->buf[VCD_SECTOR_OFFS],VCD_SECTOR_DATA);
|
|
#else
|
|
{
|
|
int offset;
|
|
if (sun_vcd_read(vcd, &offset) <= 0) return 0;
|
|
memcpy(mem,&vcd->buf[offset],VCD_SECTOR_DATA);
|
|
}
|
|
#endif
|
|
|
|
vcd->entry.cdte_addr.msf.frame++;
|
|
if (vcd->entry.cdte_addr.msf.frame==75){
|
|
vcd->entry.cdte_addr.msf.frame=0;
|
|
vcd->entry.cdte_addr.msf.second++;
|
|
if (vcd->entry.cdte_addr.msf.second==60){
|
|
vcd->entry.cdte_addr.msf.second=0;
|
|
vcd->entry.cdte_addr.msf.minute++;
|
|
}
|
|
}
|
|
|
|
return VCD_SECTOR_DATA;
|
|
}
|
|
|
|
|
|
#ifdef sun
|
|
#include <sys/scsi/generic/commands.h>
|
|
#include <sys/scsi/impl/uscsi.h>
|
|
|
|
#define SUN_XAREAD 1 /*fails on atapi drives*/
|
|
#define SUN_MODE2READ 2 /*fails on atapi drives*/
|
|
#define SUN_SCSIREAD 3
|
|
#define SUN_VCDREAD SUN_SCSIREAD
|
|
|
|
static int sun_vcd_read(mp_vcd_priv_t* vcd, int *offset)
|
|
{
|
|
#if SUN_VCDREAD == SUN_XAREAD
|
|
struct cdrom_cdxa cdxa;
|
|
cdxa.cdxa_addr = vcd_get_msf(vcd);
|
|
cdxa.cdxa_length = 1;
|
|
cdxa.cdxa_data = vcd->buf;
|
|
cdxa.cdxa_format = CDROM_XA_SECTOR_DATA;
|
|
|
|
if(ioctl(vcd->fd,CDROMCDXA,&cdxa)==-1) {
|
|
MP_ERR(vcd->stream, "CDROMCDXA: %s\n",strerror(errno));
|
|
return 0;
|
|
}
|
|
*offset = 0;
|
|
#elif SUN_VCDREAD == SUN_MODE2READ
|
|
struct cdrom_read cdread;
|
|
cdread.cdread_lba = 4*vcd_get_msf(vcd);
|
|
cdread.cdread_bufaddr = vcd->buf;
|
|
cdread.cdread_buflen = 2336;
|
|
|
|
if(ioctl(vcd->fd,CDROMREADMODE2,&cdread)==-1) {
|
|
MP_ERR(vcd->stream, "CDROMREADMODE2: %s\n",strerror(errno));
|
|
return 0;
|
|
}
|
|
*offset = 8;
|
|
#elif SUN_VCDREAD == SUN_SCSIREAD
|
|
struct uscsi_cmd sc;
|
|
union scsi_cdb cdb;
|
|
int lba = vcd_get_msf(vcd);
|
|
int blocks = 1;
|
|
|
|
memset(&cdb, 0, sizeof(cdb));
|
|
memset(&sc, 0, sizeof(sc));
|
|
cdb.scc_cmd = 0xBE;
|
|
cdb.cdb_opaque[1] = 5 << 2; // mode2 / form2
|
|
AV_WB32(&cdb.cdb_opaque[2], lba);
|
|
AV_WB24(&cdb.cdb_opaque[6], blocks);
|
|
cdb.cdb_opaque[9] = 1 << 4; // user data only
|
|
cdb.cdb_opaque[10] = 0; // subchannel
|
|
|
|
sc.uscsi_cdb = (caddr_t)&cdb;
|
|
sc.uscsi_cdblen = 12;
|
|
sc.uscsi_bufaddr = vcd->buf;
|
|
sc.uscsi_buflen = 2336;
|
|
sc.uscsi_flags = USCSI_ISOLATE | USCSI_READ;
|
|
sc.uscsi_timeout = 20;
|
|
if (ioctl(vcd->fd, USCSICMD, &sc)) {
|
|
MP_ERR(vcd->stream, "USCSICMD: READ CD: %s\n",strerror(errno));
|
|
return -1;
|
|
}
|
|
if (sc.uscsi_status) {
|
|
MP_ERR(vcd->stream, "scsi command failed with status %d\n", sc.uscsi_status);
|
|
return -1;
|
|
}
|
|
*offset = 0;
|
|
return 1;
|
|
#else
|
|
#error SUN_VCDREAD
|
|
#endif
|
|
}
|
|
#endif /*sun*/
|
|
|
|
#endif /* MPLAYER_VCD_READ_H */
|