mirror of https://github.com/mpv-player/mpv
234 lines
6.4 KiB
C
234 lines
6.4 KiB
C
/*
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* This file is part of MPlayer.
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*
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* MPlayer is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* MPlayer is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with MPlayer; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#ifndef MPLAYER_VCD_READ_DARWIN_H
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#define MPLAYER_VCD_READ_DARWIN_H
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#define _XOPEN_SOURCE 500
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#include <stdlib.h>
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#include <string.h>
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#include <errno.h>
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#include <sys/types.h>
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#include <sys/uio.h>
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#include <unistd.h>
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#include <CoreFoundation/CFBase.h>
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#include <IOKit/IOKitLib.h>
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#include <IOKit/storage/IOCDTypes.h>
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#include <IOKit/storage/IOCDMedia.h>
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#include <IOKit/storage/IOCDMediaBSDClient.h>
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#include "compat/mpbswap.h"
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#include "mpvcore/mp_msg.h"
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#include "stream.h"
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//=================== VideoCD ==========================
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#define CDROM_LEADOUT 0xAA
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typedef struct
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{
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uint8_t sync [12];
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uint8_t header [4];
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uint8_t subheader [8];
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uint8_t data [2324];
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uint8_t spare [4];
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} cdsector_t;
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typedef struct mp_vcd_priv_st
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{
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int fd;
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cdsector_t buf;
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dk_cd_read_track_info_t entry;
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struct CDDiscInfo hdr;
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CDMSF msf;
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} mp_vcd_priv_t;
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static inline void vcd_set_msf(mp_vcd_priv_t* vcd, unsigned int sect)
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{
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vcd->msf = CDConvertLBAToMSF(sect);
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}
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static inline unsigned int vcd_get_msf(mp_vcd_priv_t* vcd)
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{
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return CDConvertMSFToLBA(vcd->msf);
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}
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static int vcd_seek_to_track(mp_vcd_priv_t* vcd, int track)
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{
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struct CDTrackInfo entry;
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memset( &vcd->entry, 0, sizeof(vcd->entry));
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vcd->entry.addressType = kCDTrackInfoAddressTypeTrackNumber;
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vcd->entry.address = track;
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vcd->entry.bufferLength = sizeof(entry);
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vcd->entry.buffer = &entry;
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if (ioctl(vcd->fd, DKIOCCDREADTRACKINFO, &vcd->entry))
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{
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mp_msg(MSGT_STREAM,MSGL_ERR,"ioctl dif1: %s\n",strerror(errno));
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return -1;
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}
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vcd->msf = CDConvertLBAToMSF(be2me_32(entry.trackStartAddress));
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return VCD_SECTOR_DATA*vcd_get_msf(vcd);
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}
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static int vcd_get_track_end(mp_vcd_priv_t* vcd, int track)
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{
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struct CDTrackInfo entry;
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if (track > vcd->hdr.lastTrackNumberInLastSessionLSB) {
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mp_msg(MSGT_OPEN, MSGL_ERR,
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"track number %d greater than last track number %d\n",
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track, vcd->hdr.lastTrackNumberInLastSessionLSB);
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return -1;
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}
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//read track info
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memset( &vcd->entry, 0, sizeof(vcd->entry));
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vcd->entry.addressType = kCDTrackInfoAddressTypeTrackNumber;
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vcd->entry.address = track<vcd->hdr.lastTrackNumberInLastSessionLSB?track+1:vcd->hdr.lastTrackNumberInLastSessionLSB;
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vcd->entry.bufferLength = sizeof(entry);
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vcd->entry.buffer = &entry;
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if (ioctl(vcd->fd, DKIOCCDREADTRACKINFO, &vcd->entry))
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{
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mp_msg(MSGT_STREAM,MSGL_ERR,"ioctl dif2: %s\n",strerror(errno));
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return -1;
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}
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if (track == vcd->hdr.lastTrackNumberInLastSessionLSB)
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vcd->msf = CDConvertLBAToMSF(be2me_32(entry.trackStartAddress) +
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be2me_32(entry.trackSize));
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else
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vcd->msf = CDConvertLBAToMSF(be2me_32(entry.trackStartAddress));
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return VCD_SECTOR_DATA*vcd_get_msf(vcd);
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}
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static mp_vcd_priv_t* vcd_read_toc(int fd)
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{
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dk_cd_read_disc_info_t tochdr;
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struct CDDiscInfo hdr;
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dk_cd_read_track_info_t tocentry;
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struct CDTrackInfo entry;
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CDMSF trackMSF;
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mp_vcd_priv_t* vcd;
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int i, min = 0, sec = 0, frame = 0;
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//read toc header
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memset(&tochdr, 0, sizeof(tochdr));
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tochdr.buffer = &hdr;
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tochdr.bufferLength = sizeof(hdr);
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if (ioctl(fd, DKIOCCDREADDISCINFO, &tochdr) < 0)
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{
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mp_msg(MSGT_OPEN,MSGL_ERR,"read CDROM toc header: %s\n",strerror(errno));
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return NULL;
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}
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//print all track info
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mp_msg(MSGT_IDENTIFY, MSGL_INFO, "ID_VCD_START_TRACK=%d\n", hdr.firstTrackNumberInLastSessionLSB);
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mp_msg(MSGT_IDENTIFY, MSGL_INFO, "ID_VCD_END_TRACK=%d\n", hdr.lastTrackNumberInLastSessionLSB);
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for (i=hdr.firstTrackNumberInLastSessionLSB ; i<=hdr.lastTrackNumberInLastSessionLSB + 1; i++)
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{
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if (i <= hdr.lastTrackNumberInLastSessionLSB) {
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memset( &tocentry, 0, sizeof(tocentry));
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tocentry.addressType = kCDTrackInfoAddressTypeTrackNumber;
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tocentry.address = i;
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tocentry.bufferLength = sizeof(entry);
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tocentry.buffer = &entry;
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if (ioctl(fd,DKIOCCDREADTRACKINFO,&tocentry)==-1)
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{
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mp_msg(MSGT_OPEN,MSGL_ERR,"read CDROM toc entry: %s\n",strerror(errno));
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return NULL;
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}
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trackMSF = CDConvertLBAToMSF(be2me_32(entry.trackStartAddress));
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}
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else
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trackMSF = CDConvertLBAToMSF(be2me_32(entry.trackStartAddress)
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+ be2me_32(entry.trackSize));
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//mp_msg(MSGT_OPEN,MSGL_INFO,"track %02d: adr=%d ctrl=%d format=%d %02d:%02d:%02d\n",
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if (i<=hdr.lastTrackNumberInLastSessionLSB)
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mp_msg(MSGT_OPEN,MSGL_INFO,"track %02d: format=%d %02d:%02d:%02d\n",
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(int)tocentry.address,
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//(int)tocentry.entry.addr_type,
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//(int)tocentry.entry.control,
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(int)tocentry.addressType,
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(int)trackMSF.minute,
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(int)trackMSF.second,
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(int)trackMSF.frame
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);
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if (mp_msg_test(MSGT_IDENTIFY, MSGL_INFO))
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{
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if (i > hdr.firstTrackNumberInLastSessionLSB)
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{
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min = trackMSF.minute - min;
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sec = trackMSF.second - sec;
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frame = trackMSF.frame - frame;
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if ( frame < 0 )
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{
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frame += 75;
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sec --;
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}
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if ( sec < 0 )
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{
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sec += 60;
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min --;
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}
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mp_msg(MSGT_IDENTIFY, MSGL_INFO, "ID_VCD_TRACK_%d_MSF=%02d:%02d:%02d\n", i - 1, min, sec, frame);
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}
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min = trackMSF.minute;
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sec = trackMSF.second;
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frame = trackMSF.frame;
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}
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}
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vcd = malloc(sizeof(mp_vcd_priv_t));
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vcd->fd = fd;
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vcd->hdr = hdr;
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vcd->msf = trackMSF;
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return vcd;
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}
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static int vcd_read(mp_vcd_priv_t* vcd,char *mem)
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{
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if (pread(vcd->fd,&vcd->buf,VCD_SECTOR_SIZE,vcd_get_msf(vcd)*VCD_SECTOR_SIZE) != VCD_SECTOR_SIZE)
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return 0; // EOF?
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vcd->msf.frame++;
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if (vcd->msf.frame==75)
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{
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vcd->msf.frame=0;
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vcd->msf.second++;
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if (vcd->msf.second==60)
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{
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vcd->msf.second=0;
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vcd->msf.minute++;
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}
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}
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memcpy(mem,vcd->buf.data,VCD_SECTOR_DATA);
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return VCD_SECTOR_DATA;
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}
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#endif /* MPLAYER_VCD_READ_DARWIN_H */
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