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-rw-r--r--vcd_read.h187
1 files changed, 162 insertions, 25 deletions
diff --git a/vcd_read.h b/vcd_read.h
index 3cecf74ac7..8bd0d017c6 100644
--- a/vcd_read.h
+++ b/vcd_read.h
@@ -1,4 +1,14 @@
//=================== VideoCD ==========================
+#if defined(linux) || defined(sun)
+
+#if defined(linux)
+#include <linux/cdrom.h>
+#elif defined(sun)
+#include <sys/cdio.h>
+static int sun_vcd_read(int, int*);
+#endif
+
+
static struct cdrom_tocentry vcd_entry;
static inline void vcd_set_msf(unsigned int sect){
@@ -65,34 +75,128 @@ void vcd_read_toc(int fd){
}
}
+
static char vcd_buf[VCD_SECTOR_SIZE];
static int vcd_read(int fd,char *mem){
-#ifdef __sun
- struct cdrom_cdxa xa;
- xa.cdxa_addr = vcd_get_msf();
- xa.cdxa_length = CDROM_BLK_2352;
- xa.cdxa_data = vcd_buf;
- xa.cdxa_format = CDROM_XA_SECTOR_DATA;
- if(ioctl(fd,CDROMCDXA,&xa)==-1) return 0; // EOF?
-#else
- memcpy(vcd_buf,&vcd_entry.cdte_addr.msf,sizeof(struct cdrom_msf));
- if(ioctl(fd,CDROMREADRAW,vcd_buf)==-1) return 0; // EOF?
+#if defined(linux)
+ 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++;
- }
- }
+ 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;
+}
- memcpy(mem,&vcd_buf[VCD_SECTOR_OFFS],VCD_SECTOR_DATA);
- 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 = &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
@@ -115,8 +219,9 @@ static inline void vcd_cache_seek(int sect){
}
int vcd_cache_read(int fd,char* mem){
-int i;
-char* vcd_buf;
+ 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! :)
@@ -131,11 +236,43 @@ char* vcd_buf;
++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)
memcpy(vcd_buf,&vcd_entry.cdte_addr.msf,sizeof(struct cdrom_msf));
if(ioctl(fd,CDROMREADRAW,vcd_buf)==-1) return 0; // EOF?
- ++vcd_cache_current;
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 */
generated by cgit v1.2.3 (git 2.25.1) at 2024-04-24 12:16:12 +0000