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Add DV_PAL for PAL users.

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This commit is contained in:
Hidetoshi Shimokawa 2003-01-15 05:26:23 +00:00
parent bf1446b754
commit 6d6f7f2891
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=109282
3 changed files with 14 additions and 7 deletions
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10
sys/dev/firewire/firewire.c
View File

@ -184,14 +184,14 @@ fw_tbuf_update(struct firewire_comm *fc, int sub, int flag){
}else{
goto out;
}
#if 1
#define DVSEC 100
#define DVFRAC 2997 /* NTSC: 29.97 Hz (2997 = 29.97 * 100) */
#define DVDIFF 203 /* 203 = (8000/250 - 29.97) * 100 */
#else
#if DV_PAL
#define DVSEC 3
#define DVFRAC 75 /* PAL: 25 Hz (1875 = 25 * 3) */
#define DVDIFF 5 /* 125 = (8000/300 - 25) * 3 */
#else
#define DVSEC 100
#define DVFRAC 2997 /* NTSC: 29.97 Hz (2997 = 29.97 * 100) */
#define DVDIFF 203 /* 203 = (8000/250 - 29.97) * 100 */
#endif
#define CYCLEFRAC 0xc00
cycle = (u_int64_t) 8000 * DVSEC * it->dvsync;

9
sys/dev/firewire/fwdev.c
View File

@ -52,6 +52,7 @@
#include <dev/firewire/firewire.h>
#include <dev/firewire/firewirereg.h>
#include <dev/firewire/fwmem.h>
#include <dev/firewire/iec68113.h>
#define CDEV_MAJOR 127
#define FWNODE_INVAL 0xffff
@ -568,14 +569,18 @@ fw_ioctl (dev_t dev, u_long cmd, caddr_t data, int flag, fw_proc *td)
err = ENOMEM;
break;
}
#define FWDVPACKET 250 /* NTSC (300 for PAL) */
#if DV_PAL
#define FWDVPACKET 300
#else
#define FWDVPACKET 250
#endif
#define FWDVPMAX 512
ibufreq->rx.nchunk = 8;
ibufreq->rx.npacket = 50;
ibufreq->rx.psize = FWDVPMAX;
ibufreq->tx.nchunk = 5;
ibufreq->tx.npacket = 300;
ibufreq->tx.npacket = FWDVPACKET + 30; /* > 320 or 267 */
ibufreq->tx.psize = FWDVPMAX;
err = fw_ioctl(dev, FW_SSTBUF, (caddr_t)ibufreq, flag, td);

2
sys/dev/firewire/iec68113.h
View File

@ -79,3 +79,5 @@ struct dvdbc{
u_int8_t payload[77];
#define DV_DSF_12 0x80 /* PAL: payload[0] in Header DIF */
};
#define DV_PAL 0