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Simplify NetBSD vcd_read code

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git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@23873 b3059339-0415-0410-9bf9-f77b7e298cf2
This commit is contained in:
reimar 2007-07-27 16:59:41 +00:00
parent 37c39a9f74
commit adce32de93
1 changed files with 6 additions and 21 deletions
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27
stream/vcd_read_nbsd.h
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@ -3,6 +3,7 @@
#ifdef __NetBSD__
#include <sys/inttypes.h>
#endif
#include "libavutil/intreadwrite.h"
#include <sys/cdio.h>
#include <sys/scsiio.h>
@ -155,33 +156,17 @@ vcd_read(mp_vcd_priv_t* vcd, char *mem)
struct scsireq sc;
int lba = vcd_get_msf(vcd);
int blocks;
int sector_type;
int sync, header_code, user_data, edc_ecc, error_field;
int sub_channel;
int rc;
blocks = 1;
sector_type = 5; /* mode2/form2 */
sync = 0;
header_code = 0;
user_data = 1;
edc_ecc = 0;
error_field = 0;
sub_channel = 0;
memset(&sc, 0, sizeof(sc));
sc.cmd[0] = 0xBE;
sc.cmd[1] = (sector_type) << 2;
sc.cmd[2] = (lba >> 24) & 0xff;
sc.cmd[3] = (lba >> 16) & 0xff;
sc.cmd[4] = (lba >> 8) & 0xff;
sc.cmd[5] = lba & 0xff;
sc.cmd[6] = (blocks >> 16) & 0xff;
sc.cmd[7] = (blocks >> 8) & 0xff;
sc.cmd[8] = blocks & 0xff;
sc.cmd[9] = (sync << 7) | (header_code << 5) | (user_data << 4) |
(edc_ecc << 3) | (error_field << 1);
sc.cmd[10] = sub_channel;
sc.cmd[1] = 5 << 2; // mode2/form2
AV_WB32(&sc.cmd[2], lba);
AV_WB24(&sc.cmd[6], blocks);
sc.cmd[9] = 1 << 4; // user data only
sc.cmd[10] = 0; // no subchannel
sc.cmdlen = 12;
sc.databuf = (caddr_t) mem;
sc.datalen = 2328;