[linux-dvb] problems with SVDRP-command "grab"

[Michael Nausch <michael@nausch.org>]

Hello,

a few days agoe I asked a question in vdr-mailinglist.

----------  Weitergeleitete Nachricht  ----------

Subject: [vdr] Re: problems with SVDRP-command "grab"
Date: Sat, 25 Jan 2003 12:44:46 +0100
From: Clemens Kirchgatterer
To: vdr@linuxtv.org
... 

> /var/log/messages reports:
>
> Jan 25 11:45:22 vdr vdr[1193]: ERROR: /dev/video1: No such device
> Jan 25 11:46:00 vdr vdr[1193]: ERROR: /dev/video1: No such device
> Jan 25 11:46:43 vdr vdr[1193]: ERROR: /dev/video1: No such device
> Jan 25 11:51:57 vdr vdr[1193]: ERROR: /dev/video1: No such device

as you can see, vdr allways opens /dev/video1 for grabbing, it is not
interested to what node the link points. this is for sure no problem
with vdr but with the driver. maybe your driver has no support for
video4linux like devices. this should be discussed on the dvb ML.

tell the nice guys there, what hardware you use and which drivers
(versions) you tried.

hope that helps ...
clemens
-------------------------------------------------------

O.K., what's happend, where's ma problem?

I tried to grab a picture on my running vdr-1.1.21 with the svdrp command 
GRAB:

bigchief@server:~> telnet vdr 2001
Trying 192.168.10.60...
Connected to vdr.
Escape character is '^]'.
220 vdr SVDRP VideoDiskRecorder 1.1.21; Fri Feb  7 16:29:08 2003
help grab
214-GRAB <filename> [ jpeg | pnm [ <quality> [ <sizex> <sizey> ] ] ]
214-    Grab the current frame and save it to the given file. Images can
214-    be stored as JPEG (default) or PNM, at the given quality (default
214-    is 'maximum', only applies to JPEG) and size (default is full screen).
214 End of HELP info

grab test.jpeg
451 Grab image failed
grab test.pnm
451 Grab image failed

/var/log/messages reports:
Feb  7 16:29:54 vdr vdr[2609]: ERROR: /dev/video1: No such device
Feb  7 16:30:10 vdr vdr[2609]: ERROR: /dev/video1: No such device

How, the following command reports, there exists those devices, or not?
vdr:~ # ls -alF /dev/video*
lrwxrwxrwx    1 root     root            6 Jan 25 11:46 /dev/video -> video0
crw-rw-rw-    1 root     video     81,   0 Sep  9 22:25 /dev/video0
crw-rw-rw-    1 root     video     81,   1 Sep  9 22:25 /dev/video1
crw-rw----    1 root     root     171,  16 Sep  9 22:25 /dev/video1394
crw-rw-rw-    1 root     video     81,   2 Sep  9 22:25 /dev/video2
crw-rw-rw-    1 root     video     81,   3 Sep  9 22:25 /dev/video3

Clemens Kirchgatterer meant, that my driver has no support for
video4linux like devices? Isn't it so?

BTW, I'm using SuSE 8.1 Kernel 2.4.19 ("Duron")

Maybe someone can help me ...

Pfiadseich,
           BC
-- 
Michael Nausch                Anzinger Str. 20                 85586 Poing
+49-8121-971940 (voice)                              +49-8121-971941 (fax)
http://omni128.de                                       michael@nausch.org



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