mirror of
https://github.com/mpv-player/mpv
synced 2024-12-24 07:42:17 +00:00
49867bd432
git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@19277 b3059339-0415-0410-9bf9-f77b7e298cf2
213 lines
5.2 KiB
C
213 lines
5.2 KiB
C
#include <sys/types.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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//=================== 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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dk_cd_read_track_info_t entry;
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CDMSF msf;
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cdsector_t buf;
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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.frame=sect%75;
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sect=sect/75;
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vcd->msf.second=sect%60;
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sect=sect/60;
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vcd->msf.minute=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 vcd->msf.frame +
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(vcd->msf.second+
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vcd->msf.minute*60)*75;
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return 0;
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}
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int vcd_seek_to_track(mp_vcd_priv_t* vcd, int track)
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{
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dk_cd_read_track_info_t tocentry;
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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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return VCD_SECTOR_DATA*vcd_get_msf(vcd);
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return -1;
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}
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int vcd_get_track_end(mp_vcd_priv_t* vcd, int track)
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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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//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(vcd->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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//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<(hdr.lastTrackNumberInLastSessionLSB+1)?(track):CDROM_LEADOUT;
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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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return VCD_SECTOR_DATA*vcd_get_msf(vcd);
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return -1;
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}
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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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memset( &tocentry, 0, sizeof(tocentry));
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tocentry.addressType = kCDTrackInfoAddressTypeTrackNumber;
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tocentry.address = i<=hdr.lastTrackNumberInLastSessionLSB ? i : CDROM_LEADOUT;
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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(entry.trackStartAddress);
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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->msf = trackMSF;
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return vcd;
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return NULL;
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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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return 0;
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}
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