diff options
Diffstat (limited to 'usr.sbin/fwcontrol/fwcontrol.8')
| -rw-r--r-- | usr.sbin/fwcontrol/fwcontrol.8 | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/usr.sbin/fwcontrol/fwcontrol.8 b/usr.sbin/fwcontrol/fwcontrol.8 index d29d2dd..c4b3118 100644 --- a/usr.sbin/fwcontrol/fwcontrol.8 +++ b/usr.sbin/fwcontrol/fwcontrol.8 @@ -39,6 +39,8 @@ .Op Fl l Ar file .Op Fl g Ar gap_count .Op Fl b Ar pri_req +.Op Fl R Ar filename +.Op Fl S Ar filename .Sh DESCRIPTION The .Nm @@ -61,7 +63,39 @@ Load hex dump file of the configuration ROM and parse it. Broadcast gap_count by phy_config packet. .It Fl i Ar pri_req Set PRIORITY_BUDGET register on all supported nodes. +.It Fl R Ar filename +Receive DV stream and dump it to a file. Use Ctl-C to stop the receiving. +Some DV cameras seem not to send the stream if a bus manager exits. +If you cannot get the stream, try the following commands. +.Bd -literal -offset indent +sysctl hw.firewire.try_bmr=0; fwcontrol -r +.Ed +.It Fl S Ar filename +Send a DV file as isochronus stream. .El +.Sh EXAMPLES +Each DV frame has fixed size and it is easy to edit those frame order. +.Bd -literal -offset indent +fwcontrol -R original.dv +.Ed +.Pp +Receive stream. +.Bd -literal -offset indent +dd if=original.dv of=first.dv bs=120000 count=30 +.Ed +.Pp +Get first 30 frames(NTSC). +.Bd -literal -offset indent +dd if=original.dv of=second.dv bs=120000 skip=30 count=30 +.Ed +.Pp +Get second 30 frames(NTSC). +.Bd -literal -offset indent +cat second.dv first.dv | fwcontrol -S /dev/stdin +.Ed +.Pp +Swap first and second 30 frames and send them to DV recorder. +For PAL, replace 'bs=120000' with 'bs=144000'. .Sh FILES .Bl -tag -width indent |
