Mailing List Archive: ivtv: users

Problem with Fedora 8

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teke at math

Nov 11, 2007, 10:45 AM

Post #1 of 3 (2037 views)
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Problem with Fedora 8

I have a PVR-150 card which worked without problem till I switched from Fedora
7 to Fedora 8 the other day (and no doubt also switched to another kernel).
Everything works as before except for the fact that there is no sound. If I
do

$ mplayer /dev/video

or

$ cat /dev/video >test.mpg
^C
and then

$ (your choice of mpeg-player) test.mpg

I get the picture OK but no sound. I know that the sound architecture changed
with F8 but I can play other mpeg files (including ones I dumped previously
from the PVR-150 using cat /dev/video) w/o problems.

homealone[2]cat /proc/version
Linux version 2.6.23.1-49.fc8 (kojibuilder [at] xenbuilder4)
(gcc version 4.1.2 20070925 (Red Hat 4.1.2-33)) #1 SMP Thu Nov 8 21:41:26 EST
2007

dmesg info:

Linux video capture interface: v2.00
ivtv: Start initialization, version 1.0.0
ivtv0: Initializing card #0
ivtv0: Autodetected Hauppauge card (cx23416 based)
ACPI: PCI Interrupt 0000:04:00.0[A] -> GSI 21 (level, low) -> IRQ 21
ACPI: PCI Interrupt 0000:00:1b.0[A] -> GSI 22 (level, low) -> IRQ 22
PCI: Setting latency timer of device 0000:00:1b.0 to 64
usbcore: registered new interface driver snd-usb-audio
hda_codec: Unknown model for AD1988, trying auto-probe from BIOS...
firewire_core: created new fw device fw0 (0 config rom retries, S400)
ivtv0: Loaded v4l-cx2341x-enc.fw firmware (376836 bytes)
ivtv0: Encoder revision: 0x02060039
tveeprom 1-0050: Hauppauge model 26034, rev C1B3, serial# 8884273
tveeprom 1-0050: tuner model is TCL M2523_3DB_E (idx 113, type 55)
tveeprom 1-0050: TV standards PAL(B/G) PAL(D/D1/K) (eeprom 0x44)
tveeprom 1-0050: audio processor is CX25842 (idx 36)
tveeprom 1-0050: decoder processor is CX25842 (idx 29)
tveeprom 1-0050: has no radio, has IR receiver, has IR transmitter
ivtv0: Autodetected Hauppauge WinTV PVR-150
ivtv0: Reopen i2c bus for IR-blaster support
tuner 1-0061: chip found @ 0xc2 (ivtv i2c driver #0)
cx25840 1-0044: cx25842-23 found @ 0x88 (ivtv i2c driver #0)
cx25840 1-0044: unable to open firmware v4l-cx25840.fw
wm8775 1-001b: chip found @ 0x36 (ivtv i2c driver #0)
tuner 1-0061: type set to 55 (TCL 2002MB)
ivtv0: Registered device video0 for encoder MPEG (4 MB)
ivtv0: Registered device video32 for encoder YUV (2 MB)
ivtv0: Registered device vbi0 for encoder VBI (1 MB)
ivtv0: Registered device video24 for encoder PCM audio (1 MB)
ivtv0: Initialized card #0: Hauppauge WinTV PVR-150
ivtv: End initialization

I have used the latest firmware version from vtvdriver.org.

lspci -v output:

04:00.0 Multimedia video controller: Internext Compression Inc iTVC16
(CX23416) MPEG-2 Encode
r (rev 01)
Subsystem: Hauppauge computer works Inc. WinTV PVR 150
Flags: bus master, medium devsel, latency 64, IRQ 21
Memory at b8000000 (32-bit, prefetchable) [size=64M]
Capabilities: [44] Power Management version 2

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mrsam at courier-mta

Nov 11, 2007, 2:11 PM

Post #2 of 3 (1873 views)
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Re: Problem with Fedora 8 [In reply to]

Torsten Ekedahl writes:

> I have a PVR-150 card which worked without problem till I switched from Fedora
> 7 to Fedora 8 the other day (and no doubt also switched to another kernel).
> Everything works as before except for the fact that there is no sound. If I
> do
>
> $ mplayer /dev/video
>
> or
>
> $ cat /dev/video >test.mpg
> ^C
> and then

One of the things that I noticed with F8 is the removal of the PAM console
configuration entries that sets the ownership of some /dev files to the
logged-in user. PAM no longer sets the ownership of /dev/dsp*, /dev/audio*,
and several other files, to the logged in user's id.

See if manually chown-ing /dev/dsp*, /dev/audio*, and /dev/mixer* fixes
the sound problem.

teke_ivtv at math

Nov 12, 2007, 5:38 AM

Post #3 of 3 (1865 views)
Permalink

Problem with Fedora 8 [In reply to]

Sam Varshavchik writes:
> Torsten Ekedahl writes:
> > I have a PVR-150 card which worked without problem till I switched from
> > Fedora 7 to Fedora 8 the other day (and no doubt also switched to another
> > kernel). Everything works as before except for the fact that there is no
> > sound. If I do
> >
> > $ mplayer /dev/video
> >
> > or
> >
> > $ cat /dev/video >test.mpg
> > ^C
> > and then
>
> One of the things that I noticed with F8 is the removal of the PAM console
> configuration entries that sets the ownership of some /dev files to the
> logged-in user. PAM no longer sets the ownership of /dev/dsp*, /dev/audio*,
> and several other files, to the logged in user's id.
>
> See if manually chown-ing /dev/dsp*, /dev/audio*, and /dev/mixer* fixes
> the sound problem.

It didn't help. Should it really? I thought /dev/video gave you an mpeg video
stream including sound and hence the /dev/audio etc settings shouldn't affect
reading from it. As I said there are no problems with playing mpeg files.

Torsten

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