From 3d0852ada9b76278e5522ca9254965799c195073 Mon Sep 17 00:00:00 2001 From: nplourde Date: Mon, 18 Oct 2004 21:06:50 +0000 Subject: support function for vcd on darwin git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@13683 b3059339-0415-0410-9bf9-f77b7e298cf2 --- libmpdemux/vcd_read_darwin.h | 181 +++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 181 insertions(+) create mode 100644 libmpdemux/vcd_read_darwin.h (limited to 'libmpdemux') diff --git a/libmpdemux/vcd_read_darwin.h b/libmpdemux/vcd_read_darwin.h new file mode 100644 index 0000000000..4b67658344 --- /dev/null +++ b/libmpdemux/vcd_read_darwin.h @@ -0,0 +1,181 @@ +#include +#include + +//=================== 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; + dk_cd_read_track_info_t entry; + CDMSF msf; + cdsector_t buf; +} mp_vcd_priv_t; + +static inline void vcd_set_msf(mp_vcd_priv_t* vcd, unsigned int sect) +{ + vcd->msf.frame=sect%75; + sect=sect/75; + vcd->msf.second=sect%60; + sect=sect/60; + vcd->msf.minute=sect; +} + +static inline unsigned int vcd_get_msf(mp_vcd_priv_t* vcd) +{ + return vcd->msf.frame + + (vcd->msf.second+ + vcd->msf.minute*60)*75; + +return 0; +} + +int vcd_seek_to_track(mp_vcd_priv_t* vcd, int track) +{ + dk_cd_read_track_info_t tocentry; + 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; + } + return VCD_SECTOR_DATA*vcd_get_msf(vcd); + +return -1; +} + +int vcd_get_track_end(mp_vcd_priv_t* vcd, int track) +{ + dk_cd_read_disc_info_t tochdr; + struct CDDiscInfo hdr; + + dk_cd_read_track_info_t tocentry; + struct CDTrackInfo entry; + + //read toc header + memset(&tochdr, 0, sizeof(tochdr)); + tochdr.buffer = &hdr; + tochdr.bufferLength = sizeof(hdr); + + if (ioctl(vcd->fd, DKIOCCDREADDISCINFO, &tochdr) < 0) + { + mp_msg(MSGT_OPEN,MSGL_ERR,"read CDROM toc header: %s\n",strerror(errno)); + return NULL; + } + + //read track info + memset( &vcd->entry, 0, sizeof(vcd->entry)); + vcd->entry.addressType = kCDTrackInfoAddressTypeTrackNumber; + vcd->entry.address = track<(hdr.lastTrackNumberInLastSessionLSB+1)?(track):CDROM_LEADOUT; + 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; + } + return VCD_SECTOR_DATA*vcd_get_msf(vcd); + +return -1; +} + +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; + + //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 + for (i=hdr.firstTrackNumberInLastSessionLSB ; i<=hdr.lastTrackNumberInLastSessionLSB ; i++) + { + 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(entry.trackStartAddress); + + //mp_msg(MSGT_OPEN,MSGL_INFO,"track %02d: adr=%d ctrl=%d format=%d %02d:%02d:%02d\n", + 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 + ); + } + + vcd = malloc(sizeof(mp_vcd_priv_t)); + vcd->fd = fd; + vcd->msf = trackMSF; + return vcd; + + return NULL; +} + +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; +return 0; +} + -- cgit v1.2.3