I believe saa7130 is the decoder. What is your encoder (e.g. ivtv)? That is what will be associated with /dev/video0.
On Thu, 17 Mar 2005 09:36:57 -0700, Justin Gombos <[EMAIL PROTECTED]> wrote: > * Mark Matula <[EMAIL PROTECTED]> [2005-03-17 09:38]: > > On Wed, 16 Mar 2005, Justin Gombos wrote: > > > > > The following attempts at a simple device dump fail: > > > > > > sh-3.00$ cat /dev/video0 > simpleTest > > > cat: /dev/video0: Invalid argument > > > > > > sh-3.00$ dd if=/dev/video0 of=simpleTest > > > dd: reading `/dev/video0': Invalid argument > > > 0+0 records in > > > 0+0 records out > > > 0 bytes transferred in 0.002232 seconds (0 bytes/sec) > > > > It doesn't sound like your /dev/video* devices are set up. > > I know, that was my first suspicion, so I checked, then double > checked. /dev/video* files are definately there. > > lrwxrwxrwx 1 root root 6 Mar 13 02:45 /dev/video -> video0 > crw-rw---- 1 root video 81, 0 Feb 18 02:28 /dev/video0 > crw-rw---- 1 root video 81, 1 Feb 18 02:28 /dev/video1 > crw-rw---- 1 root video 81, 10 Feb 18 02:28 /dev/video10 > crw-rw---- 1 root video 81, 11 Feb 18 02:28 /dev/video11 > [...etc...] > crw-rw---- 1 root video 81, 62 Feb 18 02:28 /dev/video62 > crw-rw---- 1 root video 81, 63 Feb 18 02:28 /dev/video63 > crw-rw---- 1 root video 81, 7 Feb 18 02:28 /dev/video7 > crw-rw---- 1 root video 81, 8 Feb 18 02:28 /dev/video8 > crw-rw---- 1 root video 81, 9 Feb 18 02:28 /dev/video9 > > These results below are interesting. You can see that the device > that is bound to a device file gets a different error: > > [EMAIL PROTECTED]:/# cat /dev/video > test_video > cat: /dev/video: Invalid argument > > [EMAIL PROTECTED]:/# cat /dev/video0 > test_video > cat: /dev/video0: Invalid argument > > [EMAIL PROTECTED]:/# cat /dev/video1 > test_video > cat: /dev/video1: No such device > > [EMAIL PROTECTED]:/# cat /dev/video2 > test_video > cat: /dev/video2: No such device > > I'm not sure what to try next. The driver seems to be getting mapped > to /dev/video0 correctly: > > [EMAIL PROTECTED]:/# dmesg | grep -i saa > > saa7130/34: v4l2 driver version 0.2.12 loaded > saa7130[0]: quirk: PCIPCI_NATOMA > saa7130[0]: found at 0000:00:12.0, rev: 1, irq: 11, latency: 208, mmio: > 0xf3effc00 > saa7130[0]: subsystem: 1461:10ff, board: AVerMedia DVD EZMaker > [card=33,autodetected] > saa7130[0]: board init: gpio is 10000 > saa7130[0]: i2c eeprom 00: 61 14 ff 10 ff ff ff ff ff ff ff ff ff ff ff ff > saa7130[0]: i2c eeprom 10: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff > saa7130[0]: i2c eeprom 20: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff > saa7130[0]: i2c eeprom 30: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff > saa7130[0]: registered device video0 [v4l2] > saa7130[0]: registered device vbi0 > > > _______________________________________________ > mythtv-users mailing list > [email protected] > http://mythtv.org/cgi-bin/mailman/listinfo/mythtv-users > > > -- Tim www.magicitx.com _______________________________________________ mythtv-users mailing list [email protected] http://mythtv.org/cgi-bin/mailman/listinfo/mythtv-users
