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author | arpi <arpi@b3059339-0415-0410-9bf9-f77b7e298cf2> | 2001-10-20 18:49:08 +0000 |
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committer | arpi <arpi@b3059339-0415-0410-9bf9-f77b7e298cf2> | 2001-10-20 18:49:08 +0000 |
commit | 881e5d0783d66de0d3efe4b633aa413a277c5b18 (patch) | |
tree | 998f3cdd340f82a73f54b1cdc4e22c19dabff4ad /vcd_read.h | |
parent | daab5f2480c62bbe684e09e0ae979958b447124b (diff) | |
download | mpv-881e5d0783d66de0d3efe4b633aa413a277c5b18.tar.bz2 mpv-881e5d0783d66de0d3efe4b633aa413a277c5b18.tar.xz |
libdemuxer...
git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@2311 b3059339-0415-0410-9bf9-f77b7e298cf2
Diffstat (limited to 'vcd_read.h')
-rw-r--r-- | vcd_read.h | 280 |
1 files changed, 0 insertions, 280 deletions
diff --git a/vcd_read.h b/vcd_read.h deleted file mode 100644 index 9d6564be7a..0000000000 --- a/vcd_read.h +++ /dev/null @@ -1,280 +0,0 @@ -//=================== VideoCD ========================== -#if defined(linux) || defined(sun) || defined(__bsdi__) - -#if defined(linux) -#include <linux/cdrom.h> -#elif defined(sun) -#include <sys/cdio.h> -static int sun_vcd_read(int, int*); -#elif defined(__bsdi__) -#include <dvd.h> -#endif - - -static struct cdrom_tocentry vcd_entry; - -static inline void vcd_set_msf(unsigned int sect){ - 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(){ - return vcd_entry.cdte_addr.msf.frame + - (vcd_entry.cdte_addr.msf.second+ - vcd_entry.cdte_addr.msf.minute*60)*75; -} - -int vcd_seek_to_track(int fd,int track){ - vcd_entry.cdte_format = CDROM_MSF; - vcd_entry.cdte_track = track; - if (ioctl(fd, CDROMREADTOCENTRY, &vcd_entry)) { - perror("ioctl dif1"); - return -1; - } - return VCD_SECTOR_DATA*vcd_get_msf(); -} - -int vcd_get_track_end(int fd,int track){ - struct cdrom_tochdr tochdr; - if (ioctl(fd,CDROMREADTOCHDR,&tochdr)==-1) - { perror("read CDROM toc header: "); return -1; } - vcd_entry.cdte_format = CDROM_MSF; - vcd_entry.cdte_track = track<tochdr.cdth_trk1?(track+1):CDROM_LEADOUT; - if (ioctl(fd, CDROMREADTOCENTRY, &vcd_entry)) { - perror("ioctl dif2"); - return -1; - } - return VCD_SECTOR_DATA*vcd_get_msf(); -} - -void vcd_read_toc(int fd){ - struct cdrom_tochdr tochdr; - int i; - if (ioctl(fd,CDROMREADTOCHDR,&tochdr)==-1) - { perror("read CDROM toc header: "); return; } - for (i=tochdr.cdth_trk0 ; i<=tochdr.cdth_trk1 ; i++){ - struct cdrom_tocentry tocentry; - - tocentry.cdte_track = i; - tocentry.cdte_format = CDROM_MSF; - - if (ioctl(fd,CDROMREADTOCENTRY,&tocentry)==-1) - { perror("read CDROM toc entry: "); return; } - - mp_msg(MSGT_OPEN,MSGL_INFO,"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 - ); - } -} - - -static char vcd_buf[VCD_SECTOR_SIZE]; - -static int vcd_read(int fd,char *mem){ -#if defined(linux) || defined(__bsdi__) - memcpy(vcd_buf,&vcd_entry.cdte_addr.msf,sizeof(struct cdrom_msf)); - if(ioctl(fd,CDROMREADRAW,vcd_buf)==-1) return 0; // EOF? - memcpy(mem,&vcd_buf[VCD_SECTOR_OFFS],VCD_SECTOR_DATA); -#elif defined(sun) - { - int offset; - if (sun_vcd_read(fd, &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(int fd, int *offset) -{ -#if SUN_VCDREAD == SUN_XAREAD - struct cdrom_cdxa cdxa; - cdxa.cdxa_addr = vcd_get_msf(); - cdxa.cdxa_length = 1; - cdxa.cdxa_data = vcd_buf; - cdxa.cdxa_format = CDROM_XA_SECTOR_DATA; - - if(ioctl(fd,CDROMCDXA,&cdxa)==-1) { - perror("CDROMCDXA"); - return 0; - } - *offset = 0; -#elif SUN_VCDREAD == SUN_MODE2READ - struct cdrom_read cdread; - cdread.cdread_lba = 4*vcd_get_msf(); - cdread.cdread_bufaddr = vcd_buf; - cdread.cdread_buflen = 2336; - - if(ioctl(fd,CDROMREADMODE2,&cdread)==-1) { - perror("CDROMREADMODE2"); - return 0; - } - *offset = 8; -#elif SUN_VCDREAD == SUN_SCSIREAD - struct uscsi_cmd sc; - union scsi_cdb cdb; - int lba = vcd_get_msf(); - int blocks = 1; - int sector_type; - int sync, header_code, user_data, edc_ecc, error_field; - int sub_channel; - - /* sector_type = 3; *//* mode2 */ - sector_type = 5; /* mode2/form2 */ - sync = 0; - header_code = 0; - user_data = 1; - edc_ecc = 0; - error_field = 0; - sub_channel = 0; - - memset(&cdb, 0, sizeof(cdb)); - memset(&sc, 0, sizeof(sc)); - cdb.scc_cmd = 0xBE; - cdb.cdb_opaque[1] = (sector_type) << 2; - cdb.cdb_opaque[2] = (lba >> 24) & 0xff; - cdb.cdb_opaque[3] = (lba >> 16) & 0xff; - cdb.cdb_opaque[4] = (lba >> 8) & 0xff; - cdb.cdb_opaque[5] = lba & 0xff; - cdb.cdb_opaque[6] = (blocks >> 16) & 0xff; - cdb.cdb_opaque[7] = (blocks >> 8) & 0xff; - cdb.cdb_opaque[8] = blocks & 0xff; - cdb.cdb_opaque[9] = (sync << 7) | - (header_code << 5) | - (user_data << 4) | - (edc_ecc << 3) | - (error_field << 1); - cdb.cdb_opaque[10] = sub_channel; - - 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(fd, USCSICMD, &sc)) { - perror("USCSICMD: READ CD"); - return -1; - } - if (sc.uscsi_status) { - fprintf(stderr, "scsi command failed with status %d\n", sc.uscsi_status); - return -1; - } - *offset = 0; - return 1; -#else -#error SUN_VCDREAD -#endif -} -#endif /*sun*/ - - -//================== VCD CACHE ======================= -#ifdef VCD_CACHE - -static int vcd_cache_size=0; -static char *vcd_cache_data=NULL; -static int *vcd_cache_sectors=NULL; -static int vcd_cache_index=0; // index to first free (or oldest) cache sector -static int vcd_cache_current=-1; - -void vcd_cache_init(int s){ - vcd_cache_size=s; - vcd_cache_sectors=malloc(s*sizeof(int)); - vcd_cache_data=malloc(s*VCD_SECTOR_SIZE); - memset(vcd_cache_sectors,255,s*sizeof(int)); -} - -static inline void vcd_cache_seek(int sect){ - vcd_cache_current=sect; -} - -int vcd_cache_read(int fd,char* mem){ - int i; - char* vcd_buf; - - for(i=0;i<vcd_cache_size;i++) - if(vcd_cache_sectors[i]==vcd_cache_current){ - // found in the cache! :) - vcd_buf=&vcd_cache_data[i*VCD_SECTOR_SIZE]; - ++vcd_cache_current; - memcpy(mem,&vcd_buf[VCD_SECTOR_OFFS],VCD_SECTOR_DATA); - return VCD_SECTOR_DATA; - } - // NEW cache entry: - vcd_buf=&vcd_cache_data[vcd_cache_index*VCD_SECTOR_SIZE]; - vcd_cache_sectors[vcd_cache_index]=vcd_cache_current; - ++vcd_cache_index;if(vcd_cache_index>=vcd_cache_size)vcd_cache_index=0; - // read data! - vcd_set_msf(vcd_cache_current); -#if defined(linux) || defined(__bsdi__) - memcpy(vcd_buf,&vcd_entry.cdte_addr.msf,sizeof(struct cdrom_msf)); - if(ioctl(fd,CDROMREADRAW,vcd_buf)==-1) return 0; // EOF? - memcpy(mem,&vcd_buf[VCD_SECTOR_OFFS],VCD_SECTOR_DATA); -#elif defined(sun) - { - int offset; - if (sun_vcd_read(fd, &offset) <= 0) return 0; - memcpy(mem,&vcd_buf[offset],VCD_SECTOR_DATA); - } -#endif - ++vcd_cache_current; - return VCD_SECTOR_DATA; -} -#endif - -#else /* linux || sun */ - -int vcd_seek_to_track(int fd,int track) -{ - return -1; -} - -int vcd_get_track_end(int fd,int track) -{ - return -1; -} - -void vcd_read_toc(int fd) -{ -} - -static char vcd_buf[VCD_SECTOR_SIZE]; - -static int vcd_read(int fd,char *mem) -{ - return -1; -} - -#endif /* !linux && !sun */ |